氯氰胺 的英文怎麼說
中文拼音 [àn]
氯氰胺
英文
chlorocyanamide-
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
摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等為主要原料，通過取代、胺化、環化、重氮化和氯磺化等反應制得了除草劑吡嘧磺隆原料藥。The technologies for producing iminodiacetic acid, e. g. chloroacetic acid - glycine method, chloroacetic acid ammoniation, ammonium triacetate, direct synthesis based on hydrocyanic acid, diethanolamine dehydrogenation and ethanolamine methods are introduced
摘要綜述了亞氨基二乙酸的生產方法，包括氯乙酸甘氨酸法、氨代氯乙酸法、氮川三乙酸法、氫氰酸直接合成法、二乙醇胺脫氫法和單乙醇胺法。08. 01 specifications for melamine - formaldehyde molding compounds
三氯氰胺甲醛模製化合物規范Its main natural enemies were chilocorus kuwanae silvestri, chrysopa spp., spiders, predatory mites, amitus kerperidum silvestri and prospaltella sp. the single use of omethoate, optunal or methidathion, etc. was not satisfactory to keep this insect pest under control, the control effect of combined use of omethoate and optunal was somewhat better than their single use, and was much better ( 90. 93 % ) as putting a few emulsified machine oil into this combination, while the use of mixture b, 32 % of 40 % omethoate + 48 % of 40 % optunal + 15 % of 4. 5 % - cypermethrin + 5 % of synergist, got most desirable effect ( 97. 71 % )
藥劑試驗表明，氧化樂果、水胺硫磷、速撲殺等藥劑單用時效果不理想，但氧化樂果和水胺硫磷混配後效果有所提高，如果與機油乳劑配合使用，則效果更好，可達到90 . 93 % ，復配劑b 40 %氧化樂果（ 0 . 32 ） + 40 %水胺硫磷（ 0 . 48 ） + 4 . 5 %高效氯氰菊酯（ 0 . 15 ） +增效劑（ 0 . 05 ）的防效最好，達97 . 71 % ，是目前防治柑桔黑刺粉虱最好的藥劑之一。Effect of - cypermethrin on glutamine synthetase activity of hippocampus in male rats
乙體氯氰菊酯對雄性大鼠海馬谷氨酰胺合成酶活力的影響Abstract : study on the synthesis of n - methyl carbamyl chloride underdifferent ratio of input materials and the yield of the termination products methyl isocyanate. the yield is raised from 81. 89 % to 86. 23 %
文摘:研究了在其它工藝條件不變的情況下，改變光氣與甲胺的配比對合成n -甲氨基甲酰氯的影響。光氣甲胺（摩爾比）由1 35 1降至1 25 1 ，最終產物甲基異氰酸酯收率由81 89升高至86 23 。分享友人