查询词典 nitro-pentaerythrite

Three kinds of CpTiCl had been synthesized when was catechol , 2, 2′-biphenol , or 2, 2′-binaphthol , respectively. In the case of CpTiCl〓, was 8-hydroxylquinoline , 2-methyl-8-hydroxyl-quinoline , and 8hydroxyl-5-nitro-quinoline , respectively.

研究表明，这三类半茂钛配合物在助催化剂MAO作用下，于30℃、0.1MPa乙烯压力下均可催化乙烯聚合，并显示较高的活性，远高于未引入非茂配体的CpTiCl〓及不含茂环的相应非茂配合物的活性，这说明同时含一个茂配体和一个非茂配体的半茂配合物是烯烃聚合的优良催化剂。

Purposes:3-methoxy - Butanoic alcohol used for high boiling point solvents, used nitro - cellulose paint, epoxy coatings, brake oil viscosity regulator, printing ink solvents, cutting oils and dyes, pigments, pesticides, etc will secure vinyl chloride solvent.

用途：3-甲氧基丁醇用作高沸点溶剂，用于硝基纤维素漆、环氧树脂涂料、刹车油粘度调节剂、印刷油墨溶剂，切削油以及染料、颜料、农药、氯乙烯稳妥定剂等溶剂。

In this paper,many achievements of studying on the synthesis,thermal decomposition properties and characteristics of the energetic complexes based on high-energetic compounds containing many nitrogen atoms such as carbohydrazide and 5-nitro-2,4-dihydro-3H-1,2,4-triazol-3-one as well as tetrazole,etc.

概述了以高能多氮直链化合物如碳酰肼，富氮杂环化合物如三唑、四唑类为配体的配合物的合成、热行为以及性能的研究情况，同时简要地从分子或原子结构描述了一些其他多氮含能配体如肼、肼基甲酸甲酯等所形成的配合物的晶体结构以及热分解行为，并对含能配合物的发展方向进行了展望。

It provides a new approach for preparing a-nitro chalcone derivatives directly from chalcone derivatives using NO.

因此，当β位连有芳环时，反应可以很好地发生。

Gemini surfactant, sodium oleoylamidodiphenyl ether disulfonate was synthesized from p-nitrodiphenylether,oleoyl choride and chlorosulphonic acid through nitro-group reduction,acylation and sulphonation.

以对硝基二苯醚、油酸酰氯、氯磺酸为主要原料，通过硝基还原反应、胺基酰化反应、磺化反应，合成了双子表面活性剂油酸酰胺基二苯醚双磺酸钠；并用IR，1HNMR，MS对产品及中间体结构进行了表征。

The 6-nitro-2-benzothiazolyldiazoaminoazobenzene as a chromogenic reagent was synthesized and its color reaction with nickel has been investigated.

合成了显色剂6 硝基 2 苯并噻唑重氮氨基偶氮苯，并在TritonX 100表面活性剂存在下，研究了其与镍的显色反应。

After surface modification, Pt and Pd can be supported on the surface of CNTs. These novel catalysts were successfully used in the selective hydrogenation of cinnamaldehyde and halogenated aromatic nitro compounds.

经过表面修饰后，可以在纳米碳管表面均匀负载上Pt和Pd；分别把它们应用于肉桂醛和卤代硝基化合物的选择性加氢，取得较好的结果。

It is characterized in that: 2-( 5-(dimethylamino methyl- 2- furyl methyl sulpho ethylamine reacts with 1- methylthio - 1- methylamino- 2- nitro ethylene directly in water phase, crystallizing and separating out ranitidine alkali.

其特征在于：它是由2-(5-(二甲氨基甲基-2-呋喃基甲基硫代乙胺与1-甲硫基-1-甲胺基-2-硝基乙烯直接在水相中反应并结晶析出雷尼替丁碱。

When pumped with 800 nm laser irradiation, 2 {4 [2 (4 dimethylamino phenyl vinyl] phenyl} ethylamino ethanol and 2 {4 [2 (4 diethylamino phenyl vinyl] phenyl} ethylamino ethanol show strong two photon induced blue fluorescence at 436 and 440 nm respectively, while DMANHAS and 4 nitro benzoic acid 2 {4 [2 (4 diethylamino phenyl vinyl] phenyl} ethylamino ethyl ester exhibit no fluorescence.

在800 nm的飞秒脉冲激光激发下，反式-4-(N-羟乙基-N'-乙基氨基)-4'-二苯乙烯和反式-4-(N-羟乙基-N'-乙基氨基)-4'-二苯乙烯均发出较强的蓝紫色上转换荧光，荧光峰分别位于436和440 nm，而DMANHAS和反式-4-[N-(乙氧基羰基-4-硝基苯基)-N'-乙基氨基]-4'-二苯乙烯没有荧光。

Three new chromophores and 4 nitro benzoic acid 2 {4 [2 (4 dimethylamino phenyl vinyl] phenyl} ethylamino ethyl ester have been synthesized and the structures have been characterized by 1H NMR, IR and elemental analyses.

作者中文名：延云兴；陶绪堂；杨家祥；王东；于晓强；赵显；蒋民华摘要：合成了反式-4-[N-(乙氧基羰基-4-硝基苯基)-N'-乙基氨基]-4'-二苯乙烯和三个新有机化合物。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。