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| 1 | Adsorption–desorption behavior of atrazine on agricultural soils in China显示文摘Adsorption and desorption are important processes that affect atrazine transport,transformation,and bioavailability in soils.In this study,the adsorption–desorption characteristics of atrazine in three soils(laterite,paddy soil and alluvial soil) were evaluated using the batch equilibrium method.The results showed that the kinetics of atrazine in soils was completed in two steps:a'fast' adsorption and a 'slow' adsorption and could be well described by pseudo-second-order model.In addition,the adsorption equilibrium isotherms were nonlinear and were well fitted by Freundlich and Langmuir models.It was found that the adsorption data on laterite,and paddy soil were better fitted by the Freundlich model;as for alluvial soil,the Langmuir model described it better.The maximum atrazine sorption capacities ranked as follows:paddy soil > alluvial soil > laterite.Results of thermodynamic calculations indicated that atrazine adsorption on three tested soils was spontaneous and endothermic.The desorption data showed that negative hysteresis occurred.Furthermore,lower solution pH value was conducive to the adsorption of atrazine in soils.The atrazine adsorption in these three tested soils was controlled by physical adsorption,including partition and surface adsorption.At lower equilibrium concentration,the atrazine adsorption process in soils was dominated by surface adsorption;while with the increase of equilibrium concentration,partition was predominant. | Lin Yue ChengJun Ge Dan Feng Huamei Yu Hui Deng Bomin Fu | 2017 | Journal of Environmental Sciences2017,29,7: | 16 |
| 2 | Problems of Family Farms in China and Countermeasures显示文摘In the Communiqué of the Third Plenary Session of the 18 th Central Committee of the CPC,it proposed the tasks of accelerating the building of a new type of agricultural operation system,endowing farmers with more property rights,promoting equal exchanges of factors of production and balanced allocation of public resources between urban and rural areas,and improving the institutions and mechanisms for promoting the sound development of urbanization. However,as new agricultural operating entities,family farms have problems of land circulation,lack of scientific and technological talents,and backward infrastructure. In line with these problems,this study put forward recommendations and countermeasures,in the hope of promoting increase in farmers' income,increasing agricultural intensification and large-scale level,and realizing agricultural modernization. | Huamei LIN Houjun WANG | 2014 | Asian Agricultural Research2014,6,6: | 1 |
| 3 | Localized nonlinear waves in combined time-dependent magnetic-optical potentials with spatiotemporally modu- lated nonlinearities 显示文摘 | He Junrong Yi Lin Li Huamei | 2013 | Physics Letters A2013,377,34: | 1 |
| 4 | Soliton solutions for two nonlinear partial differential equations using a Darboux transformation of the Lax pairs显示文摘 | Lin Ji Ren Bo Li Huamei et at | 2008 | Phys Rev E2008,77,03: | 1 |
| 5 | Ubiquitin-like with PHD and ring finger domains 2 is a predictor ofsurvival and a potential therapeutic target in colon cancer显示文摘 | Su Lu Dongwang Yan Zehua Wu Tao Jiang Jian Chen Lin Yuan Jun Lin Zhihai Peng Huamei Tang | 2014 | Oncology Reports2014,,: | 1 |
| 6 | 胃癌细胞色素氧化酶CYP3A4基因多态性与含紫杉醇方案化疗敏感相关性的研究(英文)显示文摘Objective: The aim of the study was to investigate the relationship between susceptibility of paclitaxel-based regimen and gene polymorphisms of cytochrome oxidase CYP3A4 for advanced gastric cancer. Methods: Peripheral venous blood sample of 53 advanced gastric cancer patients were enrolled to test the mutation of CYP3A4 gene by denaturing high performance liquid chromatography(DHPLC) and DNA sequencing. The relation between the efficacy of paclitaxel-based regimen and CYP3A4 gene polymorphisms was further analyzed. Results: DHPLC indicated that among the 53 patients, 21 cases showed biomodal type(mutation) and 32 cases were of unimodal type(wild-type). Sequencing results showed that the deletion mutation was found at the 27 th basic group of C in exon 10 of CYP3A4 gene. The response rate(RR) and disease control rate(DCR) of wild-type group were 40.6% and 84.4%, while in mutation group they were 33.3% and 85.7%, respectively, with no significances between the two groups(P > 0.05). Of all 53 cases, the median progression-free survival(PFS) was 6.5 months(95% CI: 3.576–9.424 months), and the median overall survival(OS) was 11.0 months(95% CI: 6.955–15.045 months). The median PFS and OS in wild-type group had no differences compared with those in mutation group(7.0 months vs. 7.0 months, P > 0.05; 10.0 months vs. 14.0 months, P > 0.05). Between wild-type and mutation groups, the median PFS of patients applied with oxaliplatin containing regimen and the median OS in patients applied with/without oxaliplatin had no significant differences(P > 0.05), while the median PFS in patients received non-oxaliplatin regime had statistical differences(P = 0.024). The median PFS and OS in patients receiving 3-drug or 2-drug regimes had no correlation with CYP3A4 gene polymorphisms. The adverse effects in the two groups were mild, mainly in grades 1–2. The common adverse effects were anorexia, nausea/vomiting and leucopenia. Conclusion: Deletion mutation was located in the 27 th basic group of C in exon 10 of CYP3A4 gene. Paclitaxel-based regime has a trend to prolong the OS of advanced gastric cancer with mutation type. | Jianwei Yang Yan Meng Ying Su Zeng Chen Wei Gao Jinyuan Lin Jing Jia Huamei Lin | 2014 | The Chinese-German Journal of Clinical Oncology2014,13,10: | 0 |
| 7 | A Prospective, Randomized, Controlled Clinical Trial of the Effects of Ursodeoxycholic Acid in Alleviating Ischemia/ Reperfusion Injury in Liver Transplantation显示文摘 | Shuyun Wang Huamei Tang Zhihai Peng Guoqiang Qiu Guoqing Chen Junming Xu Lin Zhong | 2008 | 器官移植内科学杂志2008,3,2: | 0 |