查询词典 tetrazole

Fourth new aryl acyl ureas of triazole, tetrazole and thiodiazole have been synthesized.

合成了30个新的含三唑、四唑和噻二唑的芳酰基硫脲类化合物。

The synthesis methods of energetic salts and energetic ionic liquids(cations including triazole, tetrazole, bridged azole, hexamethyenetetrammonia, etc;and anions including nitrate, perchlorate, azide, tetranitratealuminate, polycyan anion, N,N'-dinitrourea, etc.) are reviewed, and the effects of cations, anions and their substitution groups on melting point, enthalpy of formation, density of the materials are summarized.

本文综述了多种含能盐和含能离子液体（阳离子包括三唑、四唑、双环唑、六次甲基四胺等；阴离子包括硝酸根、高氯酸根、硝基唑、叠氮根、四硝基铝、多腈基化合物、二硝基尿素等）的合成；结合其表征结果分析了阳离子上的取代基以及阴阳离子对它们的性能如熔点、生成焓、密度等的影响。

The chapter 1 introduces the background of imidazole, thiazole, tetrazole derivatives and their glycosides, and organic solid phase research.

论文第一章介绍了咪唑环、噻唑环、四氮唑环等杂环的合成，总结了糖苷的合成方法，对杂环的固相合成化学进行了简单介绍。

Tetrazole derivatives are one of the important energetic materials. Their metal salts are potential detonators to replace lead azide. In fact they are the primers studied most systematically besides azides.

四唑衍生物是一类重要的高能材料，其金属配合物可能作为高能钝感起爆药替代叠氮化铅、它们是除叠氮化物以外研究得最为系统的起爆药剂。

British Explosive Research and Development Establishment have investigated the chemical properties and explosive performance of tetrazole derivative(mainly 5-substituted tetrazole derivatives) and complexes, aiming at finding well-behaved initiatory explosives to replace lead azide.

例如1970年以来，美国陆军部的弹道研究实验室以及英国的炸药研究与发展中心曾对四唑化合物的性能及其替代叠氮化铅作新型起爆剂的可能性作了大量研究和论证；他们报导了系列四唑衍生物及其金属配合物的撞击感度实验结果。

The investigation into simulation and experiment of IR spectra indicates that there exists no azido-tetrazole tautomerism in solid DAT.

计算模拟IR光谱和实测IR光谱的对比表明DAT在固态下不发生叠氮-四唑互变异构反应。

Author had started the research on design and synthesis of heterocycles several years ago, mainly focused on the design and synthesis of imidazole, thiazole, tetrazole derivatives and their glucosides, in which most of them may have some particular bioactivities.

本论文主要是围绕具有生理活性含氮杂环化合物的设计与合成而展开的，在论文工作中我们应用液相"一锅法"和固相组合化学方法进行了咪唑环、噻唑环、四氮唑环等具有生理活性的杂环化合物及其糖苷的合成。

The gaseous tetrazole compounds exist mainly in the 2H-form whereas the 1H-tetrazole derivatives dominate in the condensed phase.

气相中四唑主要以2H-式存在而在极性溶剂中则相反。

They have tested the sensitivity of a series of tetrazole complexes and obtained the relative magnitude of sensitivity of a number of 5- substituted tetrazole derivatives.

但文献调研表明，整体而言，前人在该领域的实验和理论工作数量较少(多数仅为氨基和烷基四唑衍生物)、涉及面较窄、精确性较差，更缺乏系统性。

According to the calculated results, a new atomic charge distributions of 2,3-diphenyl-tetrazole-5-thione was proposed with the sulfur atom and tetrazole ring having negative charges and the two phenyl-rings havingpositive charges.

对合成的3种[1，3，4]-噻二唑-2-硫酮-3，5-二取代物，用元素分析、红外光谱和紫外光谱等方法进行了表征，同时得到了其中两种化合物的晶体结构。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。