1) pyrazophos
[pɪrə'zəʊfɔs]
吡嘧磷
2) pyrazosulfuron
吡嘧磺隆
1.
Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation.
以氰乙酸乙酯、原甲酸三乙酯和甲肼等为主要原料,通过取代、胺化、环化、重氮化和氯磺化等反应制得了除草剂吡嘧磺隆原料药。
2.
The analysis of H9201 and pyrazosulfuron in mixture formulation by HPLC with C18 column using acetonitrile + water + acid as mobile phase and UV detector was introduced in this paper.
介绍了应用液相色谱法同时测定除草剂双甲胺草磷(H9201)与吡嘧磺隆复配制剂两种有效成分含量的测定方法;采用乙腈-0。
3) pyrazosulfuron-ethyl
吡嘧磺隆
1.
Effect of Pyrazosulfuron-ethyl on Microbiological Activity Related with N Transformation in Paddy Soil;
吡嘧磺隆对土壤中与氮素转化有关微生物活性的影响
2.
Through indoor simulation experiment,the influences of pyrazosulfuron-ethyl and quinclorac on soil respiration and activities of catalase,neutralphosphatase,urease and invertase in paddy soils were investigated.
采用室内模拟试验方法,研究了除草剂吡嘧磺隆、二氯喹啉酸对土壤呼吸强度和酶活性的影响。
3.
The 21-day chronic toxicity test of butachlor,pyrazosulfuron-ethyl and bensulfuron-methyl to Daphnia magna was carried out according to "Standard Methods for the Examination of Water and Wastewater" by American Public Health Association and "Toxicity Test Methods" by China.
为了制定除草剂在水环境中的允许浓度和排放标准,参照美国公共卫生协会等编著的《水和废水标准检验法》以及我国制定的大型溞Daphnia magna毒性测定方法,进行了丁草胺、吡嘧磺隆、苄嘧磺隆3种稻田常用除草剂对大型溞的21d慢性毒性试验。
4) Pyrazosulfuron-ethyl
吡嘧黄隆
5) pyrimidine
[英][pai'rimidi:n] [美][paɪ'rɪmə,din]
吡嘧啶
6) Pemirolast
吡嘧司特
1.
Effect of Pemirolast in Treatment of Allergic Rhinitis
吡嘧司特治疗过敏性鼻炎的疗效观察
补充资料：吡嘧磷
分子式：
CAS号：
性质：又称吡嘧磷。无色结晶，熔点51～53℃。蒸气压约133.3μPa(20℃)。几乎不溶于水，易溶于苯、甲苯、四氯化碳、三氯乙烷、二氯甲烷。一般条件下贮存稳定，在酸、碱介质中易分解。大鼠急性经口LD50286～632mg/kg。由CH3C(O)C(CHC2H5)C(O)OC2H5与氨基吡唑酮反应，生成物再与O，O-二乙基硫代磷酰氯反应，即制得本品。内吸性杀菌剂。可防治蔬菜、花卉和果树的白粉病。制剂有30%乳油和30%可湿性粉剂。
CAS号：
性质：又称吡嘧磷。无色结晶，熔点51～53℃。蒸气压约133.3μPa(20℃)。几乎不溶于水，易溶于苯、甲苯、四氯化碳、三氯乙烷、二氯甲烷。一般条件下贮存稳定，在酸、碱介质中易分解。大鼠急性经口LD50286～632mg/kg。由CH3C(O)C(CHC2H5)C(O)OC2H5与氨基吡唑酮反应，生成物再与O，O-二乙基硫代磷酰氯反应，即制得本品。内吸性杀菌剂。可防治蔬菜、花卉和果树的白粉病。制剂有30%乳油和30%可湿性粉剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条