查询词典 tetrazole

The chapter 6 makes a study on the design and synthesis of new glycosides, which prepared from imidazole, thiazole and tetrazole aglycones mentioned above and glucose derivatives by phase transfer catalysis under the moderate reaction condition.

我们以合成的新杂环化合物作为糖的配基，用相转移催化法合成了25个糖苷类化合物。其中包括4个咪唑氮糖苷，12个含有噻唑环的糖苷，6个含有噻唑环的糖酯，3个四氮唑糖苷。

Schiff bases of 3 amino 1H 1,2,4 Triazole and new Schiff bases of 5 amino 1H 1,2,3,4 Tetrazole have been synthesized.

20世纪 80年代初，芳杂环的Schiff碱具有高的植物激素活性的发现[1] ，引起了化学家的重视。

Eighty new Schiff bases of triazole, tetrazole and thiodiazole have been synthesized.

合成了40个新的含三唑、四唑和噻二唑的芳酰基脲类化合物。

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。

Relevant works of other groups worldwide are introduced, espically as the synthesis, performance and application investigation of tetrazine, tetrazole and furazan based HiNC.

本文综述了新型高氮化合物及其含能材料的研究进展，介绍了国内外近十年来众多研究小组的相关工作，重点阐述了四嗪、四唑和呋咱3大类高氮含能化合物的合成、性能及应用研究进展。

Relevant works of research groups worldwide are introduced,espically the synthesis,performance and application investigation of tetrazine,tetrazole and furazan based HiNC.

要实现这些目标，作为武器能量载体的含能材料必须满足高能量密度、低易损和环境适应性等要求。

The fully optimized geometries and electronic structures of seven nitramino derivatives of tetrazole are calculated by ab initio method at HF/6 - 31G* level.

运用从头计算法，在HF/6-31G水平下，全优化计算了7种硝氨四唑衍生物的分子几何和电子结构。

The effects of Caoguozhimu Decoction, a TCM antiepileptic, on NMDA receptor binding capacity and the expression of NMDAR1 mRNA in pentylene tetrazole-kindled rat model were observerd by the ligand-receptor method and i n situ hybridization, with MK-801 as a contrast.

观察抗癫痫中药草果知母汤在阻断戊四唑点燃模型形成过程中，对兴奋性氨基酸类神经递质Glu的受体NMDA结合力及其NMDAR1 mRNA的影响。以NMDA的竞争性拮抗剂MK- 801为对照，用配基受体法、原位杂交法检测相应指标的变化。

Mainly engaged in sodium azide, barium azide, three phosphorus nitride Friday, phenyl isothiocyanate, 1 - phenyl -5 - mercapto-tetrazole, 4 - dimethylamino-pyridine, 2 - mercapto--5 -- methyl-1,3,4 thiadiazole, N-hydroxy phthalimide, anhydrous betaine and betaine hydrochloride, such as fine chemical raw materials and medicine, pesticide intermediates of the development, production and sales.

主要从事叠氮化钠，叠氮化钡，五氮化三磷，异硫氰酸苯酯，1-苯基-5-巯基四氮唑，4-二甲氨基吡啶，2-巯基-5-甲基-1，3，4噻二唑，N-羟基邻苯二甲酰亚胺，无水甜菜碱及甜菜碱盐酸盐等精细化工原料及医药、农药中间体的开发、生产和销售。

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

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。