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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: RAMOS, M. Y.; GARAGORRY, F. L.;

    Este artigo examina a distribuição espacial e a dinâmica da produção agropecuária da região do MATOPIBA, Brasil, usando técnicas de natureza visual e quantitativa. Utilizou-se a análise de redes, para modelar a estrutura produtiva da região, para anos selecionados do período de 1990 a 2012, e o conceito matemático de distância para medir a intensidade das mudanças interanuais. Consideraram-se 65 produtos cuja produção está estabelecida em ao menos uma das 31 microrregiões componentes. Os resultados indicam a coexistência de distintos perfis produtivos na região que foram se diferenciando ao longo do período analisado, embora tenha persistido um núcleo relativamente estável de microrregiões que compartilham a produção de itens dos domínios da pecuária e dos produtos da pecuária. Esses resultados mostram, também, o uso da modelagem com redes como técnica analítica válida nos estudos regionais sobre agricultura. Made available in DSpace on 2019-11-18T18:08:53Z (GMT). No. of bitstreams: 1 Mudancasespaciaisnaproducaoagropecuaria.pdf: 2923279 bytes, checksum: 04e25ba8208b8c8f4d398eb7b5d8265a (MD5) Previous issue date: 2019 Título em inglês: Spatial changes in the agricultural production of the MATOPIBA region, Brazil: an application of the network analysis.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositório Instituc...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Illés, Árpád; Bojtor, Csaba; Mousavi, Seyed Mohammad Nasir; Széles, Adrienn; +3 Authors

    Studies on physiological and biochemical processes in crops are highly relevant for breeders to produce hybrids with high yield. Two different maturity groups of maize hybrids were tested in this study. The research site was located at the Látókép Experimental Station of the University of Debrecen and the experiment lasted for 2 years. The examined nitrogen ranges were separated into two parts. Firstly, the effects of nitrogen fertilizer ranging from 120–300 kg ha−1 were examined, supplemented with a constant, high-level P2O5 and K2O. Secondly, the optimal ratio of N:P:K was measured. In order to monitor the health status of maize hybrids, stress indicators including the activity of ascorbate peroxidase (APX), and superoxide dismutase (SOD), the rate of lipid peroxidation (LP), and grain yield were measured. The samples were taken in five phenological stages. Variance analysis based on nitrogen fertilizer showed variation in sampling times and fertilizers on APX, LP, and SOD. Variance analysis based on NPK indicated variation in sampling times, years, and fertilizer levels on APX, LP, and SOD. Correlation analysis showed that yield correlated negatively with SOD during the use of NPK fertilizer, as the use of nitrogen fertilizer cannot make corrections to yield with SOD but phosphorus and potassium can correlate with yield, and SOD. Principal component analysis showed that NPK5 and N5 had maximum stability and effect on yield. The activity of APX had the highest value during silking, and LP was in the V14 leaf stage. The correlation and principal component analysis showed that silking and the V14 leaf stage are the most important stages for yield, thus, higher attention must be paid to these stages in the LP and the activation of APX to achieve maximum yield.

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    Agronomy
    Other literature type . 2021
    License: CC BY
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    Agronomy
    Article . 2021
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Agronomyarrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Agronomy
      Other literature type . 2021
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      Agronomy
      Article . 2021
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    Authors: Ula Hijawi; Devrim Unal; Ridha Hamila; Adel Gastli; +1 Authors

    Internet of Things (IoT) environments are widely employed in industrial applications including intelligent transportation systems, healthcare systems, and building energy management systems. For such environments of highly sensitive data, adapting scalable and flexible communication with efficient security is vital. Research investigated wireless Ad-hoc/mesh networking, while Attribute Based Encryption (ABE) schemes have been highly recommended for IoT. However, a combined implementation of both mesh networking and Key-Policy Attribute Based Encryption (KPABE) on resource-constrained devices has been rarely addressed. Hence, in this work, an integrated system that deploys a lightweight KPABE security built on wireless mesh networking is proposed. Implementation results show that the proposed system ensures flexibility and scalability of self-forming and cooperative mesh networking in addition to a fine-grained security access structure for IoT nodes. Moreover, the work introduces a case study of an enabled scenario at a school building for optimizing energy efficiency, in which the proposed integrated system architecture is deployed on IoT sensing and actuating devices. Therefore, the encryption attributes and access policy are well-defined, and can be adopted in relevant IoT applications. 2013 IEEE. This publication was made possible by the National Priority Research Program (NPRP) grant [NPRP10-1203-160008] from the Qatar National Research Fund (a member of Qatar Foundation) and the co-funding by the IBERDROLA QSTP LLC. The publication of this article was funded by the Qatar National Library. The findings achieved herein are solely the responsibility of the authors. Scopus 2-s2.0-85099090478

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    IEEE Access
    Article . 2021
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      IEEE Access
      Article . 2021
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: James A. Lerczak; Myrl C. Hendershott; Clinton D. Winant;

    During the Internal Waves on the Continental Margin (IWAVES) field experiments of 1996 and 1997 off of Mission Beach, California (32.75°N), we observed energetic, diurnal‐band motions across the entire study site in water depths ranging from 15 to 500 m and spanning a cross‐shore distance of 15 km. The spectral peak of the currents was at the diurnal frequency (σDi = 1 cpd) and was sufficiently well resolved to be clearly separated from the slightly higher local inertial frequency (ƒ = 1.08 cpd). These motions were surface enhanced and clockwise circularly polarized and had an upward phase propagation speed of ∼68 m d−1, suggesting that the motions were driven predominantly by the diurnal sea breeze. However, the downward energy (upward phase) propagation seems irreconcilable with the subinertial diurnal period, and moreover, the intermittent diurnal current events were not obviously associated with diurnal sea breeze events. We rationalize these features using a flat‐bottomed linear modal sum internal wave model that includes advection and refraction due to subtidal alongshore flow, V(x, t). Fluctuations in V at the observing site can change the “effective” local Coriolis parameter ƒ + Vx by as much as 50%, thus making the diurnal motions at different times effectively either subinertial or superinertial. The model is integrated numerically for 200 days at a latitude of 32.75°N under different wind and subtidal flow conditions: purely diurnal winds and no V, purely diurnal winds and a time‐independent V, narrow‐band diurnal winds and no V, and narrow‐band diurnal winds and subtidal, time‐dependent V. Model diurnal currents forced by narrow‐band diurnal winds and subtidal V show complex offshore structure with realistic intermittency and spectral broadening. This study suggests that continental margins in the vicinity of the 30° latitude (where σDi = ƒ) are regions that could potentially produce energetic, sea breeze‐driven baroclinic motions and that these motions could be regulated by the vorticity of the local subtidal currents.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Journal of Geophysic...arrow_drop_down
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of Geophysical Research Atmospheres
    Article . 2001 . Peer-reviewed
    License: Wiley Online Library User Agreement
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Journal of Geophysic...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Geophysical Research Atmospheres
      Article . 2001 . Peer-reviewed
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Matsun Matsun; Soka Hadiati; Adi Pramuda;

    The development of IoT-based innovative learning media to improve student competence is needed in the era of industrial revolution 4.0. This study aims to develop an electrical practicum e-module using the Arduino Uno experimental tool to get valid, practical, and effective criteria. The research method uses R&D with four D models. The development stage consists of the stages of defining, designing, developing, and limited dissemination. Data analysis used descriptive analysis with Aiken V. The results showed that the e-module get the criteria of high validity with index V = 0.87. 60% of the total number of students responded positively to the media, and 40% were very active when using the media, so the modules developed were considered practical. The effectiveness level of the module shows that 100% of the students get a higher learning outcome value than the learning completeness score, so it can be concluded that the e-module has met the effective criteria.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Radiasi Jurnal Berka...arrow_drop_down
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    Radiasi Jurnal Berkala Pendidikan Fisika
    Article . 2021 . Peer-reviewed
    License: CC BY NC
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    Radiasi Jurnal Berkala Pendidikan Fisika
    Article
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Radiasi Jurnal Berka...arrow_drop_down
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      Radiasi Jurnal Berkala Pendidikan Fisika
      Article . 2021 . Peer-reviewed
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      Radiasi Jurnal Berkala Pendidikan Fisika
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    Authors: Wenjun Yu; Zhuotong Nan; Zhiwei Wang; Hao Chen; +2 Authors

    Land surface temperature (LST) is a key parameter in the processes of energy and water exchange between land and atmosphere. However, the MODIS LST products are often obscured by clouds and other atmospheric disturbances, resulting in severe data loss. Traditional interpolation methods cannot be effectively applied when there is large area of missing data. Thus, in this study, an effective LST interpolation method is developed to address this issue and is used to interpolate MODIS/Terra LST data on the Qinghai–Tibet Plateau in 2005. This method assumes that some pixels with spatially valid LSTs may follow a change trend over time similar to the null pixels, and the focus thus becomes to locate those similar pixels to interpolate each null pixel. First, LST images with a small amount of missing data, chosen as the reference images, were interpolated using a traditional interpolation method. Then, for each null pixel, other pixels with similar temporal changes of LST were identified by a similarity function. Finally, a transfer function for each null pixel was established based on those pixels most similar to it in the interpolated image and the corresponding reference image. The results were found to be much superior to those interpolated by traditional methods, such as regression Kriging, ordinary Kriging, and IDW. A specially designed experiment on an area that had ample valid LSTs confirmed that the proposed method can produce more favorable results than the other methods, and performed especially well when there was a significant lack of data.

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    IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
    Article . 2015 . Peer-reviewed
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      IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
      Article . 2015 . Peer-reviewed
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    Authors: A. A. Gorishnyaya; G. A. Chmut;

    The problems and prospects of transport and logistics industry have been considered. The most common innovative technologies used by transport companies have been highlighted. The analysis of factors that hinder the digitalization of the transport and logistics industry, as well as factors that affect the development and implementation of innovative technologies has been carried out. The state policy in the field of development of digital technologies of transport logistics has been studied. The shape of the digital space of transport logistics in the near future has been determined. The influence of digital technologies, which are used in the global transport and logistics infrastructure on the activities of companies, has been considered. It has been concluded, that the use of innovative technologies by transport companies, which is currently dictated by the conditions of digitalization of the economy, directly affects its competitive advantages in the industry.

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    Authors: Yuki Mataki; Hirotaka Mutsuzaki; Hiroshi Kamada; Ryoko Takeuchi; +6 Authors

    mean age, 15.7 years). Functional ambulation was assessed using the 10-Meter Walk Test and gait analysis in the sagittal plane before and after a single 20-min HAL intervention session. Results: The walking speed and stride length significantly increased after HAL intervention compared to the pre-intervention values. Two-dimensional gait analysis showed improvement in equinus gait, increase in the flexion angle of the swing phase in the knee and hip joints, and improvement in gait symmetry. Immediate improvements in the walking ability and gait pattern were noted after HAL training in patients with spastic CP. Conclusions: The symmetry of the joint angle of the lower limb, including the trunk, accounts for the improvement in walking ability after HAL therapy. (HAL) has been effective in improving walking ability in patients with CP. However, previous studies have not examined in detail the changes in gait pattern after HAL training for patients with spastic CP, including gait symmetry. This study aimed to evaluate the immediate effect of HAL training on the walking ability and the changes in gait pattern and gait symmetry in patients with spastic CP. Materials and Methods: We recruited 19 patients with spastic CP (13 male and six female Background and objectives: Cerebral palsy (CP) is the most frequent childhood motor disability. Achieving ambulation or standing in children with CP has been a major goal of physical therapy. Recently, robot-assisted gait training using the Hybrid Assistive Limb®

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    Authors: Ostovari, Yaser; Honarbakhsh, Afshin; Sangoony, Hamed; Zolfaghari, Farhad; +2 Authors

    Abstract To reverse the negative environmental properties effect on fertile lands for agriculture, land suitability evaluation is the first step in the designing the most sustainable land use and management systems. The aim of the present study was to develop and evaluate a land suitability model for rapeseed farming using topography factors, soil data and remote sensing data in calcareous soils of semi-arid regions northwestern Iran. For this purpose, stratified random sampling was used to select a set of 92 soil samples of agricultural land use from 0 to 30 cm depth. For land suitability assessment, the opinions of 19 local experts were used to make a decision for the weight of topography, soil data and remote sensing data factors by an analytic hierarchy process (AHP) from multi-criteria analysis. The input data including climate, topography, soil and remote sensing data were included that are related to rapeseed production. The results indicate the highest specific weight belongs to the soil texture (0.341), calcium carbonate equivalent (0.171) and elevation (0.114), respectively. Land suitability evaluation based on the United Nations Food and Agriculture Organization classification system indicated that 0.81% (420.8 ha) of the studied area was for high suitable (S1), 42.33% (21940.2 ha) was for moderately suitable (S2) and 11.78% (6104 ha) was for marginally suitable (S3) class. The 39.72% (20586.4) and 0.95% (492.1 ha) of studied area were located as currently not-suitable and permanently not-suitable for rapeseed productions, respectively.

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    Ecological Indicators
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    Authors: Joel W. Martin; George E. Davis;

    [Using a database that includes nearly half (46%) of the estimated 68,000 described species of extant crustaceans, as well as the names of the authors who described each species and the date of description, we plotted the number of species described vs. year of description to examine rates of, and trends in, crustacean species descriptions over time. Plots were generated for all crustaceans and for selected major taxonomic "subgroups" (currently recognized classes and selected subclasses). The cumulative number of species plotted over time for all crustaceans (pooled) showed no sign of flattening over time; no asymptote was apparent. The same pattern was seen in all subgroups examined (Branchiopoda, Maxillopoda, Copepoda, Malacostraca, Peracarida, Decapoda, and Brachyura). Given that the asymptotes from such analyses have been used to predict species richness in a taxon, our data show that currently there is no reliable way to estimate the number of still-undescribed species of crustaceans through extrapolation. The current estimate of approximately 68,000 described species (Martin & Davis, 2001; Brusca & Brusca, 2003) may represent only half, or far fewer, of the actual number of extant crustacean species. No apparent decrease in the overall rate of discovery (approximated by the rate of subsequent taxonomic description) has been observed since the first crustacean species (in our database) were described in the mid-1700s. Over time, the rate of discovery of some smaller taxa, e.g., copepods, did not differ appreciably from the rate of discovery of larger taxa, e.g., brachyuran crabs, based on best-fit regression lines. Although the rates of species accumulations have differed between groups (4.6 species per year for branchiopods vs. 82.6 species per year for peracarids), the pace appears steady within groups. The taxonomic contributions of notable workers and their published monographs are highlighted and discussed. En utilisant une base de donnees qui inclut presque la moitie (46%) des quelque 68 000 especes decrites de crustaces actuels, ainsi que le nom des auteurs qui ont decrit chaque espece et la date de leur description, nous avons rapporte le nombre d'especes decrites a l'annee de description afin d'examiner les taux des descriptions d'especes de crustaces par rapport au temps et leurs tendances. Des coordonnees ont ete etablies pour tous les crustaces et pour quelques sous-groupes taxonomiques majeurs choisis (comme classes et certaines sous-classes reconnues). Le nombre cumule des especes ainsi rapportee par rapport au temps pour tous les crustaces ne montre pas de signe de baisse avec le temps, aucune asymptote n'est apparente. Le meme schema a ete observe dans tous les sousgroupes examines (Branchiopoda, Maxillopoda, Copepoda, Malacostraca, Peracarida, Decapoda et Brachyura). Etant donne que les asymptotes de telles analyses ont ete utilisees pour predire la richesse specifique d'un taxon, nos donnees montrent qu'actuellement, il n'y a pas de moyen fiable d'estimer le nombre d'especes de crustaces encore non-decrits par une extrapolation. L'estimation presente d'approximativement 68 000 especes decrites (Martin & Davis, 2001; Brusca & Brusca, 2003) pourrait representer seulement la moitie, ou beaucoup moins, du nombre actuel d'especes de crustaces vivants. Aucune diminution apparente du taux de decouverte (voisin du taux de description taxonomique) n'a ete observee depuis que les premieres especes de crustaces (dans notre base de donnees) ont ete decrites au milieu des annees 1700. Au cours du temps, le taux de decouverte des taxons les plus petits, comme les copepodes, n'a pas differe notablement du taux de decouverte des taxons de plus grande taille, comme les crabes brachyoures, d'apres les droites de regression les mieux ajustees. Bien que les taux cumules d'especes soient differents suivant les groupes (4,6 especes par an pour les branchiopodes contre 82,6 especes par an pour les peracarides), le rythme apparait constant a l'interieur des groupes. Les contributions taxonomiques d'auteurs eminents et les monographies qu'ils ont publiees sont citees et discutees., Using a database that includes nearly half (46%) of the estimated 68,000 described species of extant crustaceans, as well as the names of the authors who described each species and the date of description, we plotted the number of species described vs. year of description to examine rates of, and trends in, crustacean species descriptions over time. Plots were generated for all crustaceans and for selected major taxonomic "subgroups" (currently recognized classes and selected subclasses). The cumulative number of species plotted over time for all crustaceans (pooled) showed no sign of flattening over time; no asymptote was apparent. The same pattern was seen in all subgroups examined (Branchiopoda, Maxillopoda, Copepoda, Malacostraca, Peracarida, Decapoda, and Brachyura). Given that the asymptotes from such analyses have been used to predict species richness in a taxon, our data show that currently there is no reliable way to estimate the number of still-undescribed species of crustaceans through extrapolation. The current estimate of approximately 68,000 described species (Martin & Davis, 2001; Brusca & Brusca, 2003) may represent only half, or far fewer, of the actual number of extant crustacean species. No apparent decrease in the overall rate of discovery (approximated by the rate of subsequent taxonomic description) has been observed since the first crustacean species (in our database) were described in the mid-1700s. Over time, the rate of discovery of some smaller taxa, e.g., copepods, did not differ appreciably from the rate of discovery of larger taxa, e.g., brachyuran crabs, based on best-fit regression lines. Although the rates of species accumulations have differed between groups (4.6 species per year for branchiopods vs. 82.6 species per year for peracarids), the pace appears steady within groups. The taxonomic contributions of notable workers and their published monographs are highlighted and discussed. En utilisant une base de donnees qui inclut presque la moitie (46%) des quelque 68 000 especes decrites de crustaces actuels, ainsi que le nom des auteurs qui ont decrit chaque espece et la date de leur description, nous avons rapporte le nombre d'especes decrites a l'annee de description afin d'examiner les taux des descriptions d'especes de crustaces par rapport au temps et leurs tendances. Des coordonnees ont ete etablies pour tous les crustaces et pour quelques sous-groupes taxonomiques majeurs choisis (comme classes et certaines sous-classes reconnues). Le nombre cumule des especes ainsi rapportee par rapport au temps pour tous les crustaces ne montre pas de signe de baisse avec le temps, aucune asymptote n'est apparente. Le meme schema a ete observe dans tous les sousgroupes examines (Branchiopoda, Maxillopoda, Copepoda, Malacostraca, Peracarida, Decapoda et Brachyura). Etant donne que les asymptotes de telles analyses ont ete utilisees pour predire la richesse specifique d'un taxon, nos donnees montrent qu'actuellement, il n'y a pas de moyen fiable d'estimer le nombre d'especes de crustaces encore non-decrits par une extrapolation. L'estimation presente d'approximativement 68 000 especes decrites (Martin & Davis, 2001; Brusca & Brusca, 2003) pourrait representer seulement la moitie, ou beaucoup moins, du nombre actuel d'especes de crustaces vivants. Aucune diminution apparente du taux de decouverte (voisin du taux de description taxonomique) n'a ete observee depuis que les premieres especes de crustaces (dans notre base de donnees) ont ete decrites au milieu des annees 1700. Au cours du temps, le taux de decouverte des taxons les plus petits, comme les copepodes, n'a pas differe notablement du taux de decouverte des taxons de plus grande taille, comme les crabes brachyoures, d'apres les droites de regression les mieux ajustees. Bien que les taux cumules d'especes soient differents suivant les groupes (4,6 especes par an pour les branchiopodes contre 82,6 especes par an pour les peracarides), le rythme apparait constant a l'interieur des groupes. Les contributions taxonomiques d'auteurs eminents et les monographies qu'ils ont publiees sont citees et discutees.]

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: RAMOS, M. Y.; GARAGORRY, F. L.;

    Este artigo examina a distribuição espacial e a dinâmica da produção agropecuária da região do MATOPIBA, Brasil, usando técnicas de natureza visual e quantitativa. Utilizou-se a análise de redes, para modelar a estrutura produtiva da região, para anos selecionados do período de 1990 a 2012, e o conceito matemático de distância para medir a intensidade das mudanças interanuais. Consideraram-se 65 produtos cuja produção está estabelecida em ao menos uma das 31 microrregiões componentes. Os resultados indicam a coexistência de distintos perfis produtivos na região que foram se diferenciando ao longo do período analisado, embora tenha persistido um núcleo relativamente estável de microrregiões que compartilham a produção de itens dos domínios da pecuária e dos produtos da pecuária. Esses resultados mostram, também, o uso da modelagem com redes como técnica analítica válida nos estudos regionais sobre agricultura. Made available in DSpace on 2019-11-18T18:08:53Z (GMT). No. of bitstreams: 1 Mudancasespaciaisnaproducaoagropecuaria.pdf: 2923279 bytes, checksum: 04e25ba8208b8c8f4d398eb7b5d8265a (MD5) Previous issue date: 2019 Título em inglês: Spatial changes in the agricultural production of the MATOPIBA region, Brazil: an application of the network analysis.

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    Authors: Illés, Árpád; Bojtor, Csaba; Mousavi, Seyed Mohammad Nasir; Széles, Adrienn; +3 Authors

    Studies on physiological and biochemical processes in crops are highly relevant for breeders to produce hybrids with high yield. Two different maturity groups of maize hybrids were tested in this study. The research site was located at the Látókép Experimental Station of the University of Debrecen and the experiment lasted for 2 years. The examined nitrogen ranges were separated into two parts. Firstly, the effects of nitrogen fertilizer ranging from 120–300 kg ha−1 were examined, supplemented with a constant, high-level P2O5 and K2O. Secondly, the optimal ratio of N:P:K was measured. In order to monitor the health status of maize hybrids, stress indicators including the activity of ascorbate peroxidase (APX), and superoxide dismutase (SOD), the rate of lipid peroxidation (LP), and grain yield were measured. The samples were taken in five phenological stages. Variance analysis based on nitrogen fertilizer showed variation in sampling times and fertilizers on APX, LP, and SOD. Variance analysis based on NPK indicated variation in sampling times, years, and fertilizer levels on APX, LP, and SOD. Correlation analysis showed that yield correlated negatively with SOD during the use of NPK fertilizer, as the use of nitrogen fertilizer cannot make corrections to yield with SOD but phosphorus and potassium can correlate with yield, and SOD. Principal component analysis showed that NPK5 and N5 had maximum stability and effect on yield. The activity of APX had the highest value during silking, and LP was in the V14 leaf stage. The correlation and principal component analysis showed that silking and the V14 leaf stage are the most important stages for yield, thus, higher attention must be paid to these stages in the LP and the activation of APX to achieve maximum yield.

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    Agronomy
    Other literature type . 2021
    License: CC BY
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    Agronomy
    Article . 2021
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      Agronomy
      Other literature type . 2021
      License: CC BY
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Agronomy
      Article . 2021
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    Authors: Ula Hijawi; Devrim Unal; Ridha Hamila; Adel Gastli; +1 Authors

    Internet of Things (IoT) environments are widely employed in industrial applications including intelligent transportation systems, healthcare systems, and building energy management systems. For such environments of highly sensitive data, adapting scalable and flexible communication with efficient security is vital. Research investigated wireless Ad-hoc/mesh networking, while Attribute Based Encryption (ABE) schemes have been highly recommended for IoT. However, a combined implementation of both mesh networking and Key-Policy Attribute Based Encryption (KPABE) on resource-constrained devices has been rarely addressed. Hence, in this work, an integrated system that deploys a lightweight KPABE security built on wireless mesh networking is proposed. Implementation results show that the proposed system ensures flexibility and scalability of self-forming and cooperative mesh networking in addition to a fine-grained security access structure for IoT nodes. Moreover, the work introduces a case study of an enabled scenario at a school building for optimizing energy efficiency, in which the proposed integrated system architecture is deployed on IoT sensing and actuating devices. Therefore, the encryption attributes and access policy are well-defined, and can be adopted in relevant IoT applications. 2013 IEEE. This publication was made possible by the National Priority Research Program (NPRP) grant [NPRP10-1203-160008] from the Qatar National Research Fund (a member of Qatar Foundation) and the co-funding by the IBERDROLA QSTP LLC. The publication of this article was funded by the Qatar National Library. The findings achieved herein are solely the responsibility of the authors. Scopus 2-s2.0-85099090478

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    IEEE Access
    Article . 2021
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      IEEE Access
      Article . 2021
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: James A. Lerczak; Myrl C. Hendershott; Clinton D. Winant;

    During the Internal Waves on the Continental Margin (IWAVES) field experiments of 1996 and 1997 off of Mission Beach, California (32.75°N), we observed energetic, diurnal‐band motions across the entire study site in water depths ranging from 15 to 500 m and spanning a cross‐shore distance of 15 km. The spectral peak of the currents was at the diurnal frequency (σDi = 1 cpd) and was sufficiently well resolved to be clearly separated from the slightly higher local inertial frequency (ƒ = 1.08 cpd). These motions were surface enhanced and clockwise circularly polarized and had an upward phase propagation speed of ∼68 m d−1, suggesting that the motions were driven predominantly by the diurnal sea breeze. However, the downward energy (upward phase) propagation seems irreconcilable with the subinertial diurnal period, and moreover, the intermittent diurnal current events were not obviously associated with diurnal sea breeze events. We rationalize these features using a flat‐bottomed linear modal sum internal wave model that includes advection and refraction due to subtidal alongshore flow, V(x, t). Fluctuations in V at the observing site can change the “effective” local Coriolis parameter ƒ + Vx by as much as 50%, thus making the diurnal motions at different times effectively either subinertial or superinertial. The model is integrated numerically for 200 days at a latitude of 32.75°N under different wind and subtidal flow conditions: purely diurnal winds and no V, purely diurnal winds and a time‐independent V, narrow‐band diurnal winds and no V, and narrow‐band diurnal winds and subtidal, time‐dependent V. Model diurnal currents forced by narrow‐band diurnal winds and subtidal V show complex offshore structure with realistic intermittency and spectral broadening. This study suggests that continental margins in the vicinity of the 30° latitude (where σDi = ƒ) are regions that could potentially produce energetic, sea breeze‐driven baroclinic motions and that these motions could be regulated by the vorticity of the local subtidal currents.

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    Journal of Geophysical Research Atmospheres
    Article . 2001 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Geophysical Research Atmospheres
      Article . 2001 . Peer-reviewed
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    Authors: Matsun Matsun; Soka Hadiati; Adi Pramuda;

    The development of IoT-based innovative learning media to improve student competence is needed in the era of industrial revolution 4.0. This study aims to develop an electrical practicum e-module using the Arduino Uno experimental tool to get valid, practical, and effective criteria. The research method uses R&D with four D models. The development stage consists of the stages of defining, designing, developing, and limited dissemination. Data analysis used descriptive analysis with Aiken V. The results showed that the e-module get the criteria of high validity with index V = 0.87. 60% of the total number of students responded positively to the media, and 40% were very active when using the media, so the modules developed were considered practical. The effectiveness level of the module shows that 100%