中间物

The synthesis path of 2-phosphono-butane-1,2,4-tricarboxylic acid is studied by using alkyl phosphate,butendioic acid dialklesters and methyl acrylate with the catalyst of sodium methylate.

论文摘要本文以亚磷酸二甲酯，顺丁烯二酸二甲酯，丙烯酸甲酯为原料，甲醇钠为催化剂，合成了 2-膦酸丁烷-1，2，4-三羧酸并对中间物及产物进行了 IR、13C，31P 核磁，MS 表征。

Pyruvic acid A 3-carbon carboxylic acid (CH3COCOOH) that is an intermediate in GLYCOLYSIS.

丙酮酸：一种三碳羧酸(CH3COCOOH)，是糖酵解的中间物。

Fluorescence spectra were measured at consecutive time points in an emission range of 439～550 nm for every sample when a constant 390 nm excitation wavelength was used, hence, creating a three-way response data array which was then analyzed by trilinear decomposition method.

设定激发波长为390 nm，在发射波长为439～550 nm的范围内测定一段时间内连续时间点的该动力学反应中间物的荧光光谱，构建三维响应数据阵，然后运用三线性分解算法进行解析。

There may be an interpretation of bimolecular cyclohexane-type mechanism for n-hexane isomerization on H-mordenite.

用双分子六元环反应中间物机理能较好地解释正己烷在氢型丝光沸石上的异构化过程。

A carbonium ion mechanism combined with a bimolecular intermediate mechanism may be explained the isomerization of n-hexane on Pd/H-mordenite.

对正己烷在Pd/HM上的反应过程可用正碳离子机理结合双分子六元环中间物机理解释。

This did not go through four sides intermediatesby dehydrating between carboxylic and alcohol.

而不是经历了通常的羧酸与醇直接脱水形成酯的四面体中间物的过程。

In this paper, 1'-cysteaminecarbonyl-1-glutathionecarbonyl-ferrocene (4) was firstly synthesized from ferrocene dicarboxylic acid and reduced glutathione with several steps.

用IR和1H-NMR对中间物和产物进行了表征。通过自组装将Fc-GSH单分子膜固定在金电极的表面，制备了Fc-GSH 修饰电极。

These results suggested that Tyr710 may influence the stability of the monocyclic C-10 cationic intermediate through the interaction with Trp390 and play a role in preserving the cyclase structure and the conformation of active site.

由这些实验结果，我们推测Tyr710可能透过与Trp390作用来影响单环C-10碳阳离子中间物的稳定性，并且在维持蛋白质的结构及活性区的形状上有所贡献。

It is the commonest saturated fatty acid in plants, and an intermediate in the synthesis of oleic and stearic acids.

软脂酸：饱和的16碳脂肪酸，广泛存在于动物和蔬菜的脂肪和油中，是植物中最普遍的饱和脂肪酸，是油酸和硬脂酸合成的中间物。

At an intermediate temperature,each phase gradually transits to the other phase.

在中间物温度，每个状态逐渐地经过对另一个状态。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。