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insecticides
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  杀虫剂
    Determination of Organophosphate Insecticides in Enviromental Water by Automated Solid-phase Microextraction(auto-SPME) and Gas Chromatography - mass Spectrometry(GC - MS),Multiple Mass Spectrometry(GC - MS - MS)
    自动固相微萃取(SPM E)GC-MS、GC-MS-MS法检测环境水中有机磷杀虫剂的研究
短句来源
    On Botanical Insecticides and Environmental Safety
    生态环境安全与植物杀虫剂
短句来源
    Study on Multiresidue Analysis of Organophophorus Insecticides in Vegetable
    蔬菜中有机磷杀虫剂多残留分析方法研究
短句来源
    Determination of Organophosphate Insecticides in Enviromental Water by Automated Solid-phase Microextraction (auto-SPME) and Gas Chromatography - mass Spectrometry(GC - MS), Multiple Mass Spectrometry (GC - MS - MS)
    自动固相微萃取(SPME)GC-MS、GC-MS-MS法检测环境水中有机磷杀虫剂的研究
    Within the 67 organic substances known as environmental hormones, 44 are agricultural chemicals (herbicides, insecticides and fungicides) or their metabolites.
    在已知的67 种(或类)环境激素有机物中,化学农药(包括除草剂、杀虫剂、杀菌剂)及其代谢产物共占44 种,几近三分之二。
短句来源
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  农药
    A Study on the Selective Inhibition of Immobilized Acetyl Cholinesterases of Different Biosources by Organophosphorus insecticides
    有机磷农药对不同生物来源的胆碱酯酶选择性抑制的研究
短句来源
    A MP-degrading strain Pseudomonas aeruginosa(P-29) was isolated from soil samples polluted by organophosphorus insecticides perenniallu.
    采用富集培养法,从长期受农药污染的土壤中分离得到1株能高效降解甲基对硫磷的菌株P-29,经鉴定为铜绿假单胞菌(Pseudomonas aeruginosa)。
短句来源
    Determination of Carbamate Insecticides in Environmental Water by Solid-phase Microextraction Coupled with High-performance Liquid Chromatography
    固相微萃取-高效液相色谱联用分析环境水样中的氨基甲酸酯农药
短句来源
    Application of Genetic Engineering Technology in Degradation Insecticides
    基因工程技术在降解农药中的应用
短句来源
    Isolation of Photosynthetic Bacteria HP-1 with Degradation of Organic-phosphorus Insecticides and Studies on its Biodegradation Ability and Capacity of Increasing Growth
    一株能降解有机磷农药甲胺磷的光合细菌HP-1的分离及生物学特性的研究
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  “insecticides”译为未确定词的双语例句
    Comparison of the Toxicity and the Influence of Enzyme Activity of Four Kinds of Insecticides to Daphnia magna
    4种杀虫药剂对大型蚤(Daphnia magna)的毒性和酶活性影响的比较
短句来源
    Degradation of Organochlorine Insecticides HCH and DDT During Thermophilic Composting Process
    高温堆肥对六六六(HCH)和滴滴涕(DDT)的降解作用研究
短句来源
    Tissue distribution of Cholineserases and its sensitivity to carbamate insecticides in Carassius auratus
    鲫鱼(Carassius auratus)体内胆碱酯酶的组织分布及其对氨基甲酸酯类杀虫药剂的敏感度
短句来源
    Degradation Characteristics of Crude Enzyme and Immobilized Enzyme to Insecticides Chlorpyrifos
    粗酶和固定化酶对毒死蜱降解特性研究
短句来源
    Three kinds of concentrations as Img/L, 10mg/L, 100mg/L in water and 0.1mg/kg, 1.0mg/kg, 10.0mg/kg in tea respectively were devised for additive recovery experiments of these synthetic pyrethroid insecticides.
    3种菊酯在水体中都分别设计了1mg/L、10mg/L、100mg/L3个浓度的添加回收试验,在茶叶中都分别设计了0.1mg/kg、1.0mg/kg、10.0mg/kg3个浓度梯度的添加回收率试验。
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  insecticides
The molecular design, synthesis and optimization of lead compounds are important to the development of insecticides.
      
The preparation is compatible with insecticides (carbofos, vismetrin, talstar, and applaud) and certain fungicides (such as baitan).
      
Effects of p-Nitrophenol and Organophosphorous Nitroaromatic Insecticides on the Respiratory Activity of Free and Immobilized Ce
      
Improving the Selectivity of the Determination of Organophosphorus Insecticides and Carbamates by Enzyme Assay
      
The structures, properties, methods of chemical synthesis, and insect hormonal activities of insecticides of a new 1-alkyl-1,2-diacylhydrazine series are reviewed.
      
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Both Culex pipiens Coq. and Culex fatigans belong to the complex Culex pipiens L. The former is distributed in the north and middle China while the latter in the south China. Either in city or in the county, they are the prevailing species and play the role of transporting Wuchercheria bancrofti and Japanese B encephalitis. The polluted water bodies such as ponds, ditches and other receivers are the major breeding places of both species. Since the beginning of 1950s, large quantities of organochloride insecticides...

Both Culex pipiens Coq. and Culex fatigans belong to the complex Culex pipiens L. The former is distributed in the north and middle China while the latter in the south China. Either in city or in the county, they are the prevailing species and play the role of transporting Wuchercheria bancrofti and Japanese B encephalitis. The polluted water bodies such as ponds, ditches and other receivers are the major breeding places of both species. Since the beginning of 1950s, large quantities of organochloride insecticides have been used to treat the breeding places to control mosquito. Their resistance has increased rapidly. Since 1960s, the organophosphorus (OPs) such as dipterex and DDVP, have been used to be the substitute all over the country. However, from the early 1970s, it was found that effectiveness of OPs has decreased more than in previous years. In 1978-1982, a genaral survey was made of the tolerance of both species to six kinds of insecticides in 32 counties of 16 provinces. With the purpose of reference for the hygiene and epidemic organizations, the results of 1982 were listed indicating LC50 and resistance levels (R, M, S). The principle used in the discrimination dose was from the WHO (WHO Technical Report 655, 1980). However, it was found that the tolerance of C. pipiens pallens and C. fatigans in China showed rather susceptible as compared with the discrimination doses suggested by WHO. Thus, there is a review of the discrimination dose of the 12 kinds of insecticides with Chinese susceptible strains and the discrimination dose suggested, as shown in this paper.

本文报告我国尖音库蚊种团幼虫对六种杀虫剂近年发生抗性情况,共调查16省市的32个地区。结果多数地区对有机磷酯类的敌百虫发生抗性,对马拉硫磷和杀螟硫磷抗性区较小,程度亦较低。对二二三抗药也较普遍。结果都用LC_(50)和WHO的抗性等级表示。

The TLC-EI technique was selected to analyze the smoke residue from combustion of an insecticides mixture consisting of organophos-phorus and carbamate. The sensitivity of the technique could usually reach ng grade.

应用TLC-EI(薄层-酶抑制)技术并采用CS-910型仪,对有机磷类及氨基甲酸酯类某些农药混合组成的杀虫烟剂燃烧后的残留量进行测定,结果一般可达ng级.经测定,能把Ⅲ-SMD烟剂中的西维因、马拉硫磷、敌敌畏三种农药分开.色斑可长期保留,Rf值分别为0.710、0.875、0.538.在大气烟雾中的有效烟率分别为4.16%、2.13%、0.76%.3h内松针上最高残留量分别为102.715、19.332、6.701ppm.12h后残渣中农药残留量分别为76、13.42、4.56ppm.用大白鼠肝酯酶测定农药的最小检出量分别为1.21、7.45、0.112ng.

Ecological behavior of fenvalerate in paddy field-aquatic system was studied. After the application of radiolabelled fenvalerate, the radioactivity in the water decreased rapidly and only 4 % of the applied activity was detected on the 3rd day. The sediment could adsorb the insecticide quickly, thus reduce its concentrations in both water column and fish tissues. Maximum residual levels in fish tissues were reached 1.3-1.9 days after the application. Dynamic models for residual concentrations in water...

Ecological behavior of fenvalerate in paddy field-aquatic system was studied. After the application of radiolabelled fenvalerate, the radioactivity in the water decreased rapidly and only 4 % of the applied activity was detected on the 3rd day. The sediment could adsorb the insecticide quickly, thus reduce its concentrations in both water column and fish tissues. Maximum residual levels in fish tissues were reached 1.3-1.9 days after the application. Dynamic models for residual concentrations in water column and fish tissues were discussed.

采用同位素示踪技术和模拟生态系统试验法,对水田施用速灭菊酯后对邻近水域的污染、水域中鱼类对速灭菊酯残留物的浓缩和排除等进行了研究,结果表明,在田表水中,残留物浓度随处理后时间而迅速降低。水系中淤泥对水中残留物有明显的吸附净化作用,鱼对水中速灭菊酯残留物的摄取和排除均很迅速。 用二室模型对速灭菊酯残留物在田表水中的消失、用一级输入和输出的单室模型对鱼体中残留物浓度随时间的变化动态研究表明,在田表水中,土壤对水中残留物起着强烈的吸附净化作用;在水系中,鱼体中残留物浓度的消长主要取决于残留物自身在水中的消失速率,只是在前期同时依赖于鱼体对残留物的排除效应,鱼体的摄入常数只对鱼体累积浓度最大值及到达最大值的时间T_m产生影响。

 
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