咪唑

Major product lines include various kinds of boronic acids, pyridines, indoles, imidazoles, as well as many other fine chemicals.

公司主要产品包括各种硼酸，吡啶，吲哚，咪唑，和其它精细化工产品和有机化合物。

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。

Carnosine has a very good protection effects on DNA oxidant damage in Ascorbate-Fe(superscript 2+) system and its antioxidant ability has a close connection with its imidazole cycle.

肌肽在维生素C-亚铁离子系统中对DNA氧化损伤有明显的保护作用，其抗氧化机制可能与其所含的咪唑环有关。

Results carnosine has a better protection than mannitol, benzoate, etc. in the Ascorbate-Fe(superscript 2+) system. Its antioxidative curve is similar to that of imidazole.

结果 在此实验条件下肌肽的抗氧化能力明显优於苯甲酸钠等常用抗氧化剂，其抗氧化动力学曲线与咪唑相似。

Our purpose is simulating the catalytical action of enzyme in biologic system, so we can directly investigate the factors relating to the functions of enzyme by studying the catalyzing behavior of model molecules imitating enzyme\'s functions. And it is a base of synthesizing high performance model enzyme.

从得到的实验数据我们可以看出：锌是酯水解反应的活性中心；并且金属中心相同时，配位数相同的配合物，结构越简单，其催化酯水解效果越好；含有配位不饱和金属中心的锌配合物表现出更好的催化效果；配合物中咪唑基团的存在可有效的增强这个配合物催化酯水解的效果。

The main products are formic acid, propionic acid, methyl acetate, morpholine, imidazole, methyl chloroformate, 1,2-pentanediol, nylon and engineering plastic.

代理BASF和HONEYWELL优质产品散水化工品：甲酸，丙酸，醋酸甲酯中间体：吗啉，咪唑，氯甲酸甲酯，1，2－戊二醇，尼龙和工程塑料。

The thesis was mainly focused on the synthesis and synthetic methods ofimidazole, chromene, triazine, isoquinolin derivatives and divided into five sectionsbased on the contents.

中文摘要：论文对咪唑、苯并吡喃、三嗪和异喹啉类化合物的合成及其方法学进行了较系统的研究，依据其内容分为五个部分。

The regional cerebral glucose metabolic count also decreased in most cerebral regions, especially thalamus, left prefrontal cortex and cingulated gyrus (p.01), decreasing by 33%, 28% and 25% respectively.

与清醒组比较，咪唑安定麻醉后脑内多数区域cmglu计数显著降低（p.05），而以丘脑、扣带回和左侧额叶cmglu计数降低更为显著（p.01），分别降低33％， 28％和25％。

An unusual intramolecular nucleophilic reaction of α carbon anion of crotonate was discovered and the imidazo[1,5 a ]pyridine derivatives were sythesized with a novel tandem reaction.

发现 5 咪唑甲醛(1)与γ溴代巴豆酸酯(2 )在弱碱条件下首先进行亲核取代反应生成 3，继而生成γ碳负离子并转移到α位，然后进行分子内亲核进攻成环、脱水生成 4的串联反应。

Three isomorphic pendant derivatives based on monovacant Keggin heteropolytungstate [SiW11O39]8- as building block have been synthesized through the decoration of Co-Im complexes using bench method:5Na_4H_2[SiW_(11)O_(39)CoIm]_(0.63)[SiW_(11)O_(39)Co(H_2O)]_(0.37)·7H_2O (1)_6[SiW_(11)O_(39)NiIm]_(0.8)[SiW_(11)O_(39)Ni(H_2O)]_(0.2)·7H_2O (2)_4Na_6[SiW_(11)O_(39)MnIm]_(0.69)[SiW_(11)O_(39)Mn(H_2O)]_(0.31)·7.5H_2O (3) Complexes 1–3 are the first examples of crystallographically characterized 3d-transition metal mono-substituted POMs with an antenna organic ligand synthesized under normal bench conditions.

以单缺位Keggin型杂多钨硅酸盐[SiW11O39]8-为建筑单元，在水溶液中通过过渡金属-咪唑配合物的修饰，成功地获得了三个同构的悬臂式衍生物：5Na_4H_2[SiW_(11)O_(39)CoIm]_(0.63)[SiW_(11)O_(39)Co(H_2O)]_(0.37)·7H_2O (1)_6[SiW_(11)O_(39)NiIm]_(0.8)[SiW_(11)O_(39)Ni(H_2O)]_(0.2)·7H_2O (2)_4Na_6[SiW_(11)O_(39)MnIm]_(0.69)[SiW_(11)O_(39)Mn(H_2O)]_(0.31)·7.5H_2O (3)它们是第一例在常规水溶液条件下合成得到的X-射线表征的3d-过渡金属取代的悬臂式多酸衍生物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。