四唑

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。

After the use 四唑 salt is attackedcompared to the color experiment examination the cell survival and thegrowth situation.

使用四唑盐比色试验检测被攻击后细胞的存活和生长情况。

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 tautomerization and decomposition channels of amino-tetrazoles,mainly 5-amino-tetrzole and 1,5-diamino-tetrzole,were reviewed.

对氨基四唑的多种分解和异构途径进行了综述，主要介绍了5-氨基四唑和1，5-二氨基四唑异构和分解的国内外研究现状。

Our results also indicate that the electron-withdrawing character of R2 and R1 also influences the activation energy of the tautomerization reaction.

结果表明，温度对四唑互变异构反应影响很大，低温下四唑在气相中主要以2H-式存在，随着温度的升高1H-式含量增大。

Ten novel derivatives of 1-phenyl-5-[5-(substituted anilinocarbonylmethylthio)-4-phenyl-1,2,4- triazol-3-ylmethylthio]-tetrazole were synthesized rapidly in high yields by the reaction of N--2-chloryacetanilide (3) with 1-phenyl-5-(5-mercapto-4-phenyl-1,2,4-triazol-3-ylmethylthio)-tetrazo- le (2) under microwave irradiation and phase transfer catalysis conditions.

采用微波和相转移催化法通过1-苯基-5-(4-苯基-1，2，4-三唑-5-巯基-3-甲硫基)四唑(2)与2-氯乙酰芳胺(3)反应高效、快速地合成了10种尚未见文献报道的1-苯基-5-[5--4-苯基-1，2，4-三唑-3-甲硫基]四唑。其结构经IR，1HNMR，13CNMR和元素分析表征。生物活性实验结果表明，该类化合物在较低浓度下部分化合物对小麦芽有很好的促进作用

Influence of properties of substituents on different reaction steps of various tetrazole derivatives has been approached as well.

研究了取代基性质对不同异构体和不同热解步骤的影响，发现四唑衍生物与相应的叠氮化合物之间存在平衡，吸电子取代基有利于平衡向生成叠氮化合物方向移动，取代基通过场效应和共轭效应影响5-取代-1H四唑的开环反应。

The so-called tetrazole chemistry has been becoming an interesting and important area attracting chemists, explosive and material researchers.

目前，有关四唑化合物的研究与应用正与日俱增，所谓&四唑化学&已成为吸引化学、材料学和炸药工作者极为重要的研究领域。

Results indicate that the two types of tetrazole derivative inhibitors have good corrosion inhibition ability for copper in NaHCO3 solution, and they are both anode-type inhibitors.

合成了胍基四唑和1-苯基－5-巯基－1， 2， 3， 4-四氮唑2种缓蚀剂，用失重法和电化学法研究了2种缓蚀剂在5% NaHCO3碱性介质中对铜的缓蚀性能和吸附行为。

The transition states of ring-breaking and of N2 losing during the thermal decomposition of a series of 5-substituted–1H and –2H tetrazole derivatives have been obtained.

求得了系列5-取代-1H四唑和5-取代-2H四唑的热解开环和失N2两个基元反应的过渡态。

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。