大多数硝基化合物还原后燐光寿命延长。
The life time of most nitro compounds are shorter than that in their reduced products.
绝大多数的芳胺都来自相应的硝基化合物。
And most of the aromatic amines come from corresponding nitro compounds.
芳香族硝基化合物是一类重要的高能化合物。
Nitro derivatives of Aromatic compounds is an important category of energetic compounds.
制造芳香族硝基化合物的硝化器为铁制的容器。
The nitrators used in the manufacturing of aromatic nitrocompounds consist of iron vessels.
综述了硝基化合物还原制备氨基化合物的主要方法。
The main reduction methods of nitro-compounds to prepare amino-compounds were reviewed.
偕二硝基乙醇钾是合成多硝基化合物的重要基础原料。
The Potasium salt of gem-dinitro ethanol is the Principal starting material for the synthesis of polynitro compounds.
结果表明NDA—150树脂对硝基化合物的吸附效果较好。
The results of static equilibrium adsorption showed nda-150 had higher adsorption capacities.
研究N-甲基羟胺与O-甲基羟胺对不饱和硝基化合物的加成反应。
To study the nucleophilic addition of N-methylhydroxylamine and O-methylhydroxylamine to unsaturated nitro compounds.
硝基化合物:分子结构中含有硝基(-NO2)的任何一类化合物。
Nitro compound: Any of a class of chemical compounds in which the nitro group (-no2) forms part of the molecular structure.
阐述了电化学或电化学与其他方法联合使用处理硝基化合物的机理和方法。
The mechanism and the methods of electrochemistry or combined electrochemistry and other technology to degenerate Nitro compound were introduced in this paper.
为提高芳香族硝基化合物氢化催化剂的性能,在单铜催化剂中引入稀土元素。
Rare earths were introduced into mono-copper catalyst to improve the performance of hydrogenation catalyst for aromatic nitro-compounds.
硝基化合物与相应产物燐光位移能差绝对值有对位>邻位>间位,且成直线关系。
The emission wavelength of nitro compounds are longer than that in their reduced products.
本发明方法制得产品的纯度大于 97%,收率大于95%(以硝基化合物计)。
The pureness of the product is more than 97 percent and the yield is more than 95 percent (calculated by nitro compounds).
本文介绍了二级胺、一级胺和4 -氨基吡啶为共试剂的硝基化合物的羰基化反应情况。
In this paper carbonylation of nitro compounds with co-reagent based on secondary amine, primary amine and 4-aminopyridine is detailed.
概述了疯草三类主要有毒成分:脂肪族硝基化合物、硒及硒化合物、疯草毒素(生物碱)。
This article summarized the three toxic constituent of locoweed: aliphatic nitro compound, selenium and selenide, locoweed toxin (alkaloids).
3复合体系在甲醇介质中对硝基化合物进行部分还原,可以获得相应的氧化偶氮苯类化合物。
Nitroarenes could be conveniently reduced to the corresponding azoxybenzenes by NaBH4/BiCl3 system in methanol.
尿总亚硝基化合物指标是评价人体亚硝胺接触水平的良好指标,可用于食管癌亚硝胺病因研究。
Urinary TNOC is a better index that is applied to assess the exposure dose of TNOC in humans and study etiology of NOC of esophageal cancer.
含有吸电子基团的二硝基苯类化合物反应活性明显高于含有供电子基的二硝基化合物的加氢反应;
The dinitrobenzene with electron-withdrawing group can be hydrogenated much easier than the dinitrobenzene with electron-donating group.
综述了还原芳香族硝基化合物制备芳胺的主要方法,包括催化加氢法、金属还原法、水合肼还原法、电化学还原法等。
Four preparation methods for aromatic amine were reviewed in the paper: reduction of metals, catalytic hydrogenation reduction, hydration hydrazine reduction and electro-chemical reduction.
采用质量分数分别为3.15%的催化剂、53.27%的高氯酸盐、36.32%的硝酸盐和7.26%的多硝基化合物配制成的复合氧化剂具有较大的响度。
Result showed that the compound oxidizer, which consists of 3.15% catalyst, 53.27% perchlorate, 36.32% nitrate and 7.26% multinitro-compound, has higher loudness.
最常见的例子是有机化合物,亚硝酸盐类的同分异构体,其中一个碳原子以共价键与硝基中的氮原子结合。
The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.
硝基苯类化合物是一类高毒性的有机污染物,它们性质稳定,极难生化降解。
Nitrobenzene compounds, a highly toxic compound, is very difficult to be degraded and its chemistry property is very stabilizing.
此外,它除了还原双键以外可以用来还原各种不同的有机化合物,如:硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
在苯并吡喃部分含有硝基的螺吡喃显示出逆光致变色行为,其它的则为普通光致变色化合物。
The spiropyrans with a nitro group at the benzopyran moiety showed reverse photochromic behavior, others were normal photochromic compounds.
合成了十个对硝基苯胺衍生物,其中4个化合物含有手性原子。
Nitroaniline derivatives have been synthesized and there are 4 compounds having chiral atom in them.
通过燃速测定、差示扫描量热技术(dsc)和热失重技术(TG)研究了有机金属化合物催化剂(ome)对六硝基六氮杂异伍兹烷(HNIW)单元推进剂热分解和燃烧性能的影响。
Catalyst of the organo-metallic compound (OME) on the combustion and thermal decomposition of HNIW monopropellant was investigated through burning rate measurement, DSC and TG thermal analysis.
在离体实验条件下,测定了14种硝基芳烃化合物对鲤鱼肝脏过氧化氢酶的半抑制浓度ec50值。
EC50 values of 14 nitroaromatic compounds to the enzymic activity of catalase of carp liver were measured in vitro.
回顾了硝基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。
These former papers show that nitroaromatics and azo dyes are strong electron attracting, which make them difficult to be biodegraded in aerobic conditions.
回顾了硝基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。
These former papers show that nitroaromatics and azo dyes are strong electron attracting, which make them difficult to be biodegraded in aerobic conditions.
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