3篇
您的检索式：作者名="ZHOU BiWen"
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| 1 | Pollen-mediated gene flow in Chinese commercial fields of glufosinate-resistant canola (Brassica napus)显示文摘One of the most pressing issues surrounding transgenic oilseed rape cultivation is the potential impact of GM genes entering neighboring non-GM oilseed rape plants, related weeds or closely related wild relatives. Following the principle of a case-by-case for transgenic crop safety assessment, we designed experiments to study pollen-mediated gene flow from herbicide-resistant transgenic oilseed rape to Chinese commercial varieties. The pollen dispersal was detected as the progeny of recipient plants that were identified as glufosinate resistant. The results indicated that pollen dispersal occurred up to 2000 m and its rate sharply decreased as the distance from the pollen source increased. However, the rate of long-distance pollen dispersal from 33 to 2000 m was less than 0.015% and did not present a gradual decrease, indicating the randomization of dispersal and pollination. Most pollen dispersed within a 4.5 m area around the transgenic pollen source plot, with a maximum of 1.19% at the sampling site of 1.4 m. Wind direction significantly affected the direction and the distance of pollen dispersal, resulting in the more and farther dispersal in southwest direction. However, the number of potentially pollinating bees was not correlated with direction and distance from the pollen source plot, suggesting that bee density and distribution would not contribute to the differences in pollen dispersal among different directions. This paper is the first report on research in a large-scale experiment of pollen-mediated gene flow un-der the China’s environmental conditions and provided scientific evidence for the effective commer-cialization of transgenic oilseed rape and its safe management. Our results also provided important data on pollen spatial distribution pattern. | CAI Li ZHOU BiWen GUO XueLan DONG CaiHua HU XiaoJia HOU MingSheng LIU ShengYi | 2008 | Chinese Science Bulletin2008，53，15： | 5 |
| 2 | A feasible and effective solution-processed PCBM electron extraction layer enabling the high VOC and efficient Cu_(2)ZnSn(S, Se)_(4) devices显示文摘Photo-generated carrier recombination loss at the CZTSSe/Cd S front interface is a key issue to the opencircuit voltage(V_(OC)) deficit of Cu_(2)ZnSnS_(x)Se_(4-x)(CZTSSe) solar cells. Here, by the aid of an easy-handling spin-coating method, a thin PCBM([6,6]-phenyl-C61-butyric acid methyl ester) layer as an electron extraction layer has been introduced on the top of CdS buffer layer to modify CZTSSe/CdS/ZnO-ITO(In_(2)O_(3):Sn) interfacial properties. Based on Sn^(4+)/DMSO(dimethyl sulfoxide) solution system, a totalarea efficiency of 12.87% with a VOC of 529 m V has been achieved. A comprehensive investigation on the influence of PCBM layer on carrier extraction, transportation and recombination processes has been carried out. It is found that the PCBM layer can smooth over the Cd S film roughness, thus beneficial for a dense and flat window layer. Furthermore, this CZTSSe/Cd S/PCBM heterostructure can accelerate carrier separation and extraction and block holes from the front interface as well, which is mainly ascribed to the downward band bending of the absorber and a widened space charge region. Our work provides a feasible way to improve the front interfacial property and the cell performance of CZTSSe solar cells by the aid of organic interfacial materials. | Licheng Lou Yuancai Gong Jiazheng Zhou Jinlin Wang Xiao Xu Kang Yin Biwen Duan Huijue Wu Jiangjian Shi Yanhong Luo Dongmei Li Hao Xin Qingbo Meng | 2022 | Journal of Energy Chemistry2022，31，7： | 1 |
| 3 | Variations in metha nogenic population structure under overloading of pre-acidified high-strength organic wastewaters显示文摘 | SHIN S G ZHOU Biwen LEE S Y | 2011 | Process Biochemistry2011，46，4： | 1 |
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