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A simple and convenient method for the synthesis of S-aryl phosphorothioates catalyzed by cesium hyd
In the presence of a catalytic amount of cesium hydroxide,the corresponding S-aryl phosphorothioates can be obtained by ......
The effects of retarding resistance evolution of mixing and sequencing acaricides were studied based on the resistance ......
Description of Aphelenchoides besseyi from Abnormal Rice with ‘Small Grains and Erect Panicles’ Symp
The abnormal rice with small grains and erect panicles were found on a large scale in China, which showed shortend rice ......
[Objective]The paper was to study control effects of 12 kinds of insecticides on sugarcane pests at different periods.[M......
Synthesis and Crystal Structure of Trans-4-[(5-(2,4-Dichlorophenoxy)-3-methyl-1-phenyl-1H-pyrazol-4-
The title compound trans-4-[(5-(2,4-dichlorophenoxy)-3-methyl-1-phenyl-1H-pyra-zol-4-yl)methyleneamino]-1,5-dimethyl-2-p......
从管理角度,使用PESTI(政策、经济、社会、技术、行业)理论对广电行业作了系统性的分析。探讨了在住建部新发布智慧社区建设规范以......
采用凝胶渗透色谱(GPC)净化结合固相萃取技术,建立了蔬菜中α-六六六、β-六六六、γ-六六六、δ-六六六、百菌清、艾氏剂、三唑酮、......
将Qu ECh ERS与毛细管胶束电动色谱法相结合,建立了一种快速、高效检测紫薯中三嗪类农药残留含量的方法.在Qu ECh ERS处理样品过程......
以毒性较小的有机溶剂(酯类)、助剂(乙醇和乙二醇)和表面活性剂(天然羧酸盐)为组成,利用拟三元相图,同时结合正交实验,对毒死蜱微乳剂的开发......
随着农药使用量的增加,农药残留超标严重影响了食品和环境的安全。如何有效地控制农药的喷洒量已成为目前研究的热点。提出了以JMS......
依据已知目标物液相色谱—串联质谱检测的母离子和子离子参数,设计了葡萄样品中512种农药和相关污染物的快速筛查分析方法。葡萄样......
【目的】筛选防治新疆棉花苗期主要病害和虫害、促进作物出苗和生长等功能的棉花种衣剂。【方法】制备种衣剂,进行棉种包衣田间试......
通过2012-2013年在贵州省黔东、北片区对太子参调查结果表明:太子参发生有害生物种类11种,其中,病害8种,虫害3种;太子参种植地发生......
用溴化十六烷基三甲铵(CTMAB)制得改性膨润土,研究了CTMAB-膨润土吸附水中甲萘威,甲基对硫磷,克百威,多菌灵的性能和适宜条件,结果表明,CTMA......
采用气相色谱-质谱法测定了水培茶叶中噻嗪酮、甲氰菊酯、氰戊菊酯的残留量。试验结果表明,噻嗪酮、甲氰菊酯和氰戊菊酯三种农药的......
【正】More and more national investments go into the TCM industry in recent years,but few break-throughs have been made ......
环境安全和食品安全已引起世界各国的高度重视,我国政府在全面建设小康社会的同时,已把治理农业环境、发展可持续农业列入重要的议......
为明确吡虫啉持续大量使用对外来入侵害虫西花蓟马Frankliniella occidentalis的影响。本研究通过毒力测定得到西花蓟马室内种群LC......
本文选用10种杀虫剂,测定了它们对茶茸毒蛾幼虫的毒力和药效,试验了有关农药混用对防治幼虫的增效作用以及Bt.6及其混剂对幼虫的致......
目的:测定土壤、蔬菜和水果中5种硫丹类农药残留。方法:应用毛细管气相色谱法,程序升温,μ-ECD检测器,外标法定量。结果:该法线性范围为0......
二乙氧基硫代磷酸酯类有机磷农药在农业生产中广泛应用,对环境和人类健康产生严重威胁。本文综述了二乙氧基硫代磷酸酯类有机磷农药......
Prevalence of Organophosphorous Pesticide Residues in Pumpkin, Spinach and Sorrel Leaves Grown in Ak
Three green leafy vegetable samples of pumpkin leaves, spinach leaves, and sorrel leaves were collected from three diffe......
The present review gives a survey of all the published methods along with their advantages and limitations. Traditional ......
本文建立了元胡中液相色谱-串联质谱法同时测定4种农药残留量的检测方法。样品经乙腈提取,多壁碳纳米管净化,液相色谱-串联质谱仪......
以PDA平板和PDB摇瓶培养法测定了6种常用化学农药对烟草根结线虫生防菌厚孢普可尼亚菌ZK7菌株孢子萌发率、平板抑制作用和液体培养......
采用单一药品进行森林病虫害防治,对病虫害容易产生抗药性,采用科学合理的混合药剂可以提高药效,又可以避免抗药性.......
采用CVD法制备了碳纳米管(CNTs),并用X-射线衍射、TEM等方法进行了表征。进一步得到碳纳米管空气阴极,用于降解活性艳红X-3B、处理农药......
果蔬菜等农产品有机磷农药残留越来越严重,利用微生物降解有机磷农药,在改善环境和人们生活质量方面已显得经济而有效。本文就降解......