In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,用氯苯代替无水乙醚成铜铁试剂新工艺。
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,用氯苯代替无水乙醚成铜铁试剂新工艺。
The maximum inhibition rate of the extract on the formation of N-nitrosodimethylamine and NO2-elimination capabilities of coriander leaf essential oil was 70.
研究了超声波法芫荽茎叶挥发油以及挥发油对N-亚硝基二甲胺成阻断作用和对亚硝酸钠清除作用。
A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.
报道了以邻氯苯胺、硫氰酸铵、硫酰氯、亚硝酸钠和氯乙酸乙酯为主要成草除灵乙酯方法。
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了有氧和无氧条件下氯化三苯基锡与亚硝酸水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硝酸菌、亚硝酸菌之硝化作用与异营性脱硝菌之脱硝作用结。
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毫升硝化细菌液,需要一星期活化亚硝酸菌。
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