Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
以间
苯甲醛,乙酰乙酸乙酯,氨化试剂为原
。
Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
以间
苯甲醛,乙酰乙酸乙酯,氨化试剂为原
。
The method for the determination of 4,6-dinitro-cresol(DNOC) in fruits has been established with GC-MS.
利用气质联用(GC-MS)技术建立了
果中4,6-


甲酚(DNOC)的测定方法。
This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.
由此表明了在生成RDX酮的反应过程中,
脲上比脲更为合适的反应形式。
Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.
以对氯
苯和活性氟化钾等为原
,
步法合成了对氟苯胺。
The protective coating on aluminium foils packaging for medicine was formulated with thermosetting acrylic resin,pyroxylin.
采用热固性丙烯酸树脂、
纤维素等制成药品包装用铝箔保护涂
。
Nitryl aromatic hydrocarbon affect environment and human health mainly by waste water, dust and smoke.

芳烃主要通过废
、粉尘、蒸气等形式污染环境,影响人体健康。
The 2,6 dipicrylamino 3,5 dinitro pyridine(PYX)pureness reference material had been certificated by potentiometric method.
用电位滴定法对2,6-双(苦氨
)-3,5-

吡啶(PYX)标准物质的纯度进行测定。
Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.
以苯胺、

氯苯为原
,采用直接缩合法引入相转移催化剂合成


苯胺。
The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.
以OV-17为固定液,采用填充柱气相色谱法,对2,4-
氯
苯的氟代产物进行了成功的分离和分析。
Conclusion The results implied that 7-NI had protective effects during the early focal cerebral ischemia in micropathology.
结论从微观病理角度证实7-
吲唑对大鼠局灶脑缺血有保护作用。
Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.
检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯
苯(PCNB)的残留量。
Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.
乙醚、乙
肟、
乙
肟,
甲烷或类似的适当的极性溶剂,可用作溶剂。
Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.
乙醚、乙
肟、
乙
肟、
甲烷或类似的适当的极性溶剂,可用作溶剂。
Objective To study the change during the early focal cerebral ischemia in micropathology of rats by 7 -NI.
研究7-
吲唑(7-NI)对大鼠局灶脑缺血急性期微观病理改变。
In the presence of ethanonitrile and polyethylene glycol, anthrone reacts with ammonium ceric nitrate to form 1 nitroanthraquinone.
在乙腈、相转移催化剂聚乙
醇存在下 ,蒽酮与
酸铈铵反应生成 1 -
蒽醌。
METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.
方法以对
苯甲酰氯为起始原
,
缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮
钠。
There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.
一
甲苯是生产多种精细化工产品生产的中间体,工业用途广泛。
N-nitroso compounds including volatile N-Nitrosodimethylamine (NDMA) and non-volatile apparent total N-nitroso compounds (ATNC) showed genotoxic effects in animal model systems.
摘要N-亚
化合物属强致癌物质,有挥发性N-亚

甲胺(NDMA)和非挥发性N-亚
化合物(ATNC)两种。
This paper reviews the literature on the potential of detoxification, transformation and mineralization of nitroaromatic and azo compounds under anaerobic conditions.
回顾了
芳香化合物和偶氮化合物在厌氧条件下的生物脱毒、转化和矿化作用的研究成果。
By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.
利用零价铁的还原性质,将难生物降解的有机物
苯先还原生成亚
苯,然后再进一步还原成可生物降解的苯胺。
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