In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文以亚
乙酯代替亚
丁酯,用氯苯代替无
乙醚合成铜铁试剂
新工艺。
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文以亚
乙酯代替亚
丁酯,用氯苯代替无
乙醚合成铜铁试剂
新工艺。
The maximum inhibition rate of the extract on the formation of N-nitrosodimethylamine and NO2-elimination capabilities of coriander leaf essential oil was 70.
研究超声波法提取芫荽茎叶挥发油以及挥发油对N-亚
基二甲胺合成
阻断作用和对亚
钠
清除作用。
A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.
报道以邻氯苯胺、硫氰
铵、硫酰氯、亚
钠和氯乙
乙酯为主要原料合成草除灵乙酯
方法。
The reaction of triphenyltin with nitrous acid in aqueous phase in the presence and absence of O2 was studied by a laser flash photolysis technique.
利用激光闪光光解技术进行有氧和无氧条件下氯化三苯基锡与亚
溶液
紫外光解反应研究。
The most common method of biological nitrogen removal is by combining the nitrification of the autotrophic nitrobacter and nitrosomonas with the denitrification of heterotrophic denitrifying bacteria.
生物除氮最常利用是将自营性
菌、亚
菌之
化作用与异营性脱
菌之脱
作用结合。
It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.
继续添加1.5克氯化铵和50毫升化细菌液,需要一星期活化亚
菌。
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