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咪唑基

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In the structures of products, a hydroxyimino group is directly linked to the ring of imidazole, which is the first example of this type of compounds.

首次得到肟基直接和咪唑环相连的化合物。

Polybenzimidazolewas modified by means of blending with a novel heat-resistant resin methyl-di-phenylacetylene-silane,by which the meltability of PBI was impoved,and the time of the melting stage of PBI was prolonged,resulted in improvement of the processability of PBI,meanwhile the heat resistance of PBI did not decline,and the water absorption of PBI was lowered.

以一种新型耐高温树脂聚甲基二苯乙炔基硅烷通过共混改性聚苯并咪唑树脂,提高了PBI树脂的熔融性并延长了树脂熔融状态的时间,改善了PBI树脂的加工性能。同时PBI优良的耐热性保持不变,并降低了树脂吸水率。

Results show that the yield of 1-methyl-4,5-dinitroimidazole is 62%,and the melting point is 77℃.

优化了合成工艺,讨论了4,5-二硝基咪唑的硝化机理。

It influences the miaow thiazole quinoline to lose slowly that the experiment is drawn the pharmaceutical loses slowly the factor of performance has temperature mainly, density, the membrane time in advance, and design many group's simulation systems for different influence of these three factors, is it is it should lose pharmaceutical to lose pharmaceutical slowly one positive pole type , lose performance is it is it form space location hinder after the membrane to absorb to come from mainly slowly slowly to appear to prove, thus isolated the carbon steel base body and corrode the medium.

实验得出影响咪唑啉缓蚀剂缓蚀性能的因素主要有温度,浓度,预膜时间,并针对这三个因素的不同影响设计了多组模拟体系,验证出该缓蚀剂是一种阳极型的缓蚀剂,缓蚀性能主要来自于吸附成膜后形成空间位阻,从而隔离了碳钢基体和腐蚀介质。

A series of novel dicationic symmetrical and asymmetrical ionic liquids based on tributylalkyl phosphonium and alkylimidazolium were synthesized.

合成了一系列含有三丁基烷基膦盐和烷基咪唑盐的对称的和不对称的双离子液体。

The resulting polymer electrolyte possesses 1.57×10~(-3) S·cm~(-1) of ionic conductivity at room temperature when it contain 5wt% of LiBF_4 and 1wt% of zwitterion salt.

研究表明Zwitterion型离子液体1-甲基-3-磺酸正丁基咪唑盐,具有较高的熔点和热分解温度,熔点为219℃,分解温度达320℃。

It has been well established that agmatine is an endogenous agonist at imidazoline receptors and noncatecholamine ligand at alpha - 2 adrenergic receptors (α2- AR).

业已证明,胍丁胺是一种内源性的咪唑啉受体激动剂和α2-肾上腺素能受体(α2-AR)的非儿茶酚胺配基。

The hydroperoxide may be decomposed by Cu2+ to form alkoxyl free radicals,which increased the rate of the whole reaction.In the meanwhile,1-butyl-3-methylimidazolium hydroxide was studyed for the oxidation of cumene and DIPB.

在研究复合固体无机碱的同时,本文还研究了碱性离子液体1-丁基-3-甲基咪唑氢氧化化物等有机碱在氧化中的催化性能。

The cyclization of carbodiimide 2 with substituted phenol in presence of solid potassium csrtjonaic was studied TiisX'iy. Tne resuYls show that It is a new mM method fOT preparing of 2-aryloxyimidazolones.

首次研究了碳二亚胺2与酚在碱催化条件下的成环反应,结果表明这是一种温和的制备2-芳氧基咪唑啉酮的新方法。

Taking 4-bromobenzaldehyde, acetic, benzaldehyde and ammonium acetate as major raw material, the 4, 5-bis(4-bromophenyl)-2-phenyl-1H-imidazole was synthesized by means of catalysis, oxidation and Debus cycloaddition reaction.

以对溴苯甲醛为原料通过催化,氧化生成1,2-二(4'-溴苯基)乙二酮,再以其与苯甲醛、醋酸胺和醋酸通过德布斯法合成2-苯基-4,5-二(4'-溴基苯基)咪唑。

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