نتایج جستجو برای: agricultural clusters
تعداد نتایج: 214338 فیلتر نتایج به سال:
In this paper, the structural, magnetic, and electronic properties of two- to nine-atom copper and silver clusters and their alloys with one palladium atom are investigated by using full-potential all-electron density functional computations. After calculating minimized energy of several structural isomers of every nanocluster, it is argued that the small size nanoclusters (up to size of 6), ...
The purpose of this study is to discuss the effectiveness local industrial policies and show that effective contribute both evolution development cluster in Chinese context, based on comparative advantages market failures. We adopted a single case method conducted interviews with 30 stakeholders tea clusters; documentary investigation was also used as supplement. This finds have played an impor...
Genetic diversity analysis was conducted at Vegetable Research Farm, College of Horticulture and Forestry, Central Agricultural University, Pasighat, Arunachal Pradesh in 22 diverse genotypes Indian bean for 17 yield attributing traits grouped to five clusters through Mahalanobis’ D2 analysis. Out the 5 clusters, maximum number were accommodated cluster I with 13 genotypes, followed by II V 2 I...
We have carried out a series of small scale collisional N-body calculations of single-mass star clusters to investigate the dependence of the lifetime of star clusters on their initial parameters. Our models move through an external galaxy potential with a logarithmic density profile and they are limited by a cut-off radius. In order to find scaling relations between the lifetime of star cluste...
In this study, electronic structures of ground state of pure vanadium sub-nano clusters, Vn (n=2-5), and their interactions with small ligands for example CO and triplet O2 molecules are investigated by using density functional theory (DFT) calibration at the mPWPW91/QZVP level of theory. The favorable orientations of these ligands in interaction with pure vanadium sub-nano clusters were determ...
Agricultural industrial clusters are the basis for formation of regional brands agricultural products and also an effective way to enhance brand value competitiveness products. Based on industry cluster, carry out building products, emphasizing that production from raw material bases product sales in specific administrative areas, even collaborative services relevant technology research develop...
The fall of the Iron Curtain created a vacuum upon which large-scale collectivized agriculture was largely abandoned. Post-agricultural brownfields emerge in multiple manners across national, regional and local levels. While these sites remain rarely explored, we aimed to better understand spatial consequences formation, persistence reuse sites. regions South Bohemia Moravia Czech Republic are ...
Metal contamination of soils and crops affected by the Chenzhou lead/zinc mine spill (Hunan, China).
In 1985, the collapse of the tailing dam in Chenzhou lead/zinc mine (Hunan, southern China) led to the spread of mining waste spills on the farmland along the Dong River. After the accident, an urgent soil cleaning up was carried out in some places. Seventeen years later, cereal (rice, maize, and sorghum), pulses (soybean, Adzuki bean, mung bean and peanut), vegetables (ipomoea, capsicum, taro ...
Smut fungi are plant pathogens mostly parasitizing wild species of grasses as well as domesticated cereal crops. Genome analysis of several smut fungi including Ustilago maydis revealed a singular clustered organization of genes encoding secreted effectors. In U. maydis, many of these clusters have a role in virulence. Reconstructing the evolutionary history of clusters of effector genes is dif...
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