1)Pyrethroid[英][pai'ri:θr?id][美][pa?'riθr??d, -'r?θr??d]菊酯类
1.An Investigation on Pesticides Pollution Degree of Organophosphorus, Carbamate and Pyrethroids Contained in Local Vegetable Products.;蔬菜中有机磷、氨基甲酸酯、菊酯类农药含量调查研究
英文短句/例句
1.In Vitro Study on Cytotoxic Effects of the Pyrethroid Insecticide of Cypermethrin and Fenvalerate on the Gill Cell Line FG of the Flounder (Paralichihys Olivaceus);拟除虫菊酯类杀虫剂氯氰菊酯和氰戊菊酯对牙鲆鳃细胞系FG的细胞毒性研究
2.Effects of 2 Kinds of Pyrethrin Pesticides on EST Isozymes in Common Carp两种菊酯类农药对鲤酯酶同工酶的影响
3.Safety Evaluation of Pyrethroid to Carp;拟除虫菊酯类农药对鱼类的安全性评价研究
4.Detection of pyrethroid pesticide residue in tuber vegetables块茎类蔬菜中拟除虫菊酯类农药残留检测
5.Detection of pyrethroids pesticides residue in Huangzhou white chrysanthemum by SPE/GC固相萃取气相色谱法测定杭白菊中7种菊酯类农药的研究
6.Study on Degradation Technologies of Pyrethroids and Carbamate Pesticides in Apple Juice;苹果汁中菊酯类和氨基甲酸酯类农药的降解技术研究
7.Degradation of Pyrethroids and Carbamate Pesticides in Apple Juice by Irradiation苹果汁中拟除虫菊酯类和氨基甲酸酯类农药辐照降解
8.Primary Study of Pyrethroid Pesticides Used in Paddy Field(1)菊酯类农药在稻田使用初探(一)--拟除虫菊酯类农药防治水稻害虫药效试验
9.The Shaoxing yellow wine organic phosphorus remains, the pyrethrum remains had not picked out.绍兴黄酒有机磷残留,菊酯类残留均未检出。
10.Resistance Monitoring of Aphis pomi DeGeer from Shanxi Province to Pyrethroids山西苹果黄蚜对菊酯类杀虫剂的抗性监测
11.The Research and Development on Pyrethroids Emulsion, Oil in Water;拟除虫菊酯类农药水乳剂的研制与开发
12.Studies on Micro-emulsion of Abamectin and Three Kind of Pyrethroids Mixing Formulation;阿维菌素与三种菊酯类农药复配微乳剂的研制
13.Study on Enzyme-Linked Immunosorbent Assay and Removing Techniques for Pyrethroids Residue;拟除虫菊酯类农药残留ELISA检测及消解去除研究
14.Study on Forensic Toxicokinetics of Pyrethroids;拟除虫菊酯类农药法医毒物动力学研究(一)
15.Theoretical Study on the Degradation Mechanism of Pyrethroids;拟除虫菊酯类农药降解机理的理论研究
16.Study on the Process of Residue and Metabolism of Pyrethrins in Tea;茶叶中菊酯类农药的残留与代谢过程研究
17.The Studies on Determination of Pyrethroid Pesticides Residues and Their Residual Eliminations in Grass Carp草鱼体内菊酯类杀虫剂的残留和消除规律研究
18.Fast Residues Determination of Pyrethroids Pesticide in Vegetableand and Fruit蔬菜水果中菊酯类农药残留的快速测定
相关短句/例句
Pyrethroid pesticides菊酯类农药
1.Methods for analyzing the residues of the Pyrethroid pesticides in waters by using solid phase extraction(C_(18)-cartridge) and gas-chromatography/electron-capture detection(GC/ECD) was established.建立了基于C18固相萃取柱和气相色谱/电子捕获(GC/ECD)分析水体中环境激素类物质——菊酯类农药的分析方法,并对方法的回收率、灵敏度进行了评价,同时分析了北京市高碑店、北小河两个城市污水处理厂进水与出水中菊酯类农药的浓度,研究发现在其废水中存在联苯菊酯、氯氰菊酯、氰戊菊酯和溴氰菊酯,浓度在0。
3)pyrethroid pesticide菊酯类农药
1.The determination of pyrethroid pesticide residues in peanut by gas chromatographic method;花生中菊酯类农药残留量的气相色谱法测定
2.Gas Chromatographic Method for the Determination of Pyrethroid Pesticide Residuaes in Tomato Jam;气相色谱法测定番茄酱中菊酯类农药的残留量
3.Determining pyrethroid pesticide residues in pepper by CGC-ECD;毛细管气相色谱法测定辣椒中菊酯类农药残留量
4)pyrethroids菊酯类农药
1.A Matrix Solid-phase Disperion Method for Determination of Pyrethroids in radix glycyrrhizae;底物固相分散法测定甘草中菊酯类农药残留
2.The five pyrethroids in Herba cistanches were determined by matrix solid-phase dispersion method(MSPD) and gas chromatography .运用底物固相分散(MSPD)法、气相色谱法同时测定肉苁蓉中5种菊酯类农药残留。
3.The pyrethroids in pear sample were extracted by a mixture of n-hexane and ethyl acetate(80/20,V/V).建立正相高效液相色谱方法同时测定梨样品中氯菊酯、甲氰菊酯、氯氰菊酯、溴氰菊酯和高效氯氟氰菊酯5种菊酯类农药残留。
5)Pyrethrins除虫菊酯类
6)tyrethrin pesticides菊酯类农药
1.Improvement detection of organic chlorine and tyrethrin pesticides in tea;茶叶有机氯及菊酯类农药检测方法的改进
2.Methods for analyzing the residues of the tyrethrin pesticides in waters by using solid phase extraction(C18-cartidge) andgas-chromatography/electron-capture detection(GC/ECD) were established.建立了基于18C固相萃取柱和气相色谱/电子捕获(GC/ECD)分析水体中环境激素类物质———菊酯类农药的分析方法,并对方法的回收率、灵敏度进行了评价,同时分析了北京市七类典型污染点源50个采样点位菊酯类农药的浓度,检出的菊酯类农药包括联苯菊酯、氰戊菊酯、氯氰菊酯和溴氰菊酯,其检出率都较低,低于22%。
延伸阅读
氯菊酯,二氯苯醚菊酯分子式:C21H20CL2O3分子量:391.29CAS号:密度:1.190~1.272;1.214(25/25℃)熔点:约35℃沸点:220(6.7帕)℃蒸气压:0.453E~4Pa(25℃)折射率:1.5627毒性LD50(mg/kg):雄大鼠经口430,小鼠经口540性状:原药(有效成分80-90%)为暗黄色至棕色有结晶的粘稠液体。溶解情况:几乎不溶于水,溶于大多数有机溶剂。用途:为低毒杀虫剂,具有触杀和胃毒作用,无内吸和熏蒸作用,杀虫谱广。可以用于蔬菜、果树、茶、烟草、小麦、水稻、棉花等作物,尤其适用于卫生害虫的防治。制备或来源:(1)可以菊酸乙酯、间氯甲基二苯醚、氢氧化钠、乙醇为原料而制得。一般制成乳剂。(2)采用改良相模法生产。三氯乙醛与异丁烯进行加成反应,生成1,1,1-三氯-4-甲基戊烯-4-醇-2(简称Ⅰ)。在无溶剂存在下,加少量对甲苯磺酸作催化剂,在较高的温度和较短的时间下,1进行转位,生成1,1,1-三氯-4-甲基戊烯-3-醇-2(简称Ⅱ),加原醋酸三乙酯进行加成反应,制成4,6,6,-三氯-3,3-二甲基己烯-5-酸乙酯(简称Ⅲ),在碱性介质中,乙醇为溶剂,Ⅲ环化成二氯菊酸乙酯(简称Ⅳ),皂化成酸或钠盐,然后与间苯氧基碘苄三乙铵季胺盐缩合,制得氯菊酯。备注:闪点大于200℃。在酸性和中性条件下稳定,但在碱性条件下水解较快。除虫精粉不能对水使用,用喷雾器喷撒或用布袋抖撒,每亩用量1.0~1.5kg。其毒性虽低,但仍需避免入口,遵守一般农药安全注意事项;不宜与碱性农药、化肥混用;对鱼、蜜蜂毒性较强,使用时要注意。包装及贮运:原油用塑料瓶装,每瓶净重0.5kg,每箱12瓶;0.04%粉剂每袋(内层塑料薄膜,外套编织袋)最多25kg,可随用户要求而定。贮运时应防止日晒,不得与食物、种子、饲料混放。类别:杀虫剂