二酸

Acetanilide,hexane diacid and potassium hydrogen phthalate were used as additives to improve polyvinyl chloride crystallinity.

通过傅里叶转换红外光谱、差示扫描量热法及广角X射线衍射法研究了乙酰苯胺、己二酸和邻苯二甲酸氢钾与聚氯乙烯的相容性及对聚氯乙烯结晶度的影响。

The results of clinical assessment showed that levosimendan was safe and effective which could improve the prognosis of the patients and kept normal blood kinetics. By improving the reported synthetic route, levosimendan was synthesized from acetanilide via eight steps of reaction.

本论文探索了左西孟旦的合成路线，对文献报道的合成工艺进行了合理有效的改进，以乙酰苯胺为原料，最终经Friedel-Crafts反应，羰基α-位溴代，丙二酸二乙酯缩合，水解，脱羧，环合，拆分及重氮化加成等八步反应合成了左西孟旦。

In this paper,acetanilide,adipic acid and potassium hydrogen phthalate were chosen as additives to advance polyvinyl chloride to crystallize. The effects of compress mold,annealing temperature and time,additive property and loading on the crystallization,microscopicmorphology and mechanical properties of PVC were studied by means of wide angle X-ray diffraction,differential scanning calorimetry,fourier transform infrared spectrophotometer,scanning electron microscopeand tensile test.

本文利用乙酰苯胺、己二酸和邻苯二甲酸氢钾作为聚氯乙烯结晶改性的添加剂，通过广角X-射线衍射法、差示扫描量热法、傅立叶转换红外光谱、扫瞄电镜和万能电子实验机研究了热压、热处理温度和时间、添加剂结构和质量分数对PVC结晶、微观形态和宏观机械性能的影响。

This paper introduccs a method of analysis of diaminopimelic acid in whole-cell of Actinomyces.

常规的放线菌全细胞二氨基庚二酸的分析，时间长，操作繁锁。

Bis-acetylthiosuccinic acid-S_2~(35) was obtained by the addition of compound Ⅳ to acetylenedicarboxylic acid.

本工作简化2，3-二巯基丁二酸的合成步骤，以半微量法制各其硫~(35)标记的化合物。

It was noted that amongst the 74% cyclohexane conversion to oxygenates, 68% of that was the dimethyl adipate.

有人指出，其中74 ％环己烷转化为含氧化合物， 68 ％，这是二己二酸。

Orthogonal test was performed to examine the influences of reaction conditions on microwave-assisted synthesis of 2'-oxo-cyclopentanecarboxylic acid ethyl ester from diethyl adipate.

以己二酸二乙酯为原料，在微波辐射下经Dieckmann缩合反应合成2'-羰环戊基甲酸乙酯。

The simple and fast determination method presented is based on initial chelation of Sn4+, Cu2+, Pb2+ and other metal ions with EDTA and its subsequent decomposition with trihydroxybenzoic acid, mercaptosuccinic acid and dithiocarbamic propanoic acid.

本文提出的简易、快速测定方法是用EDTA螯合锡、铜、铅和其它金属离子，然后分别用三羟基甲酸、巯基丁二酸和氨荒丙酸解蔽。

The major acid detected in the apple rhizosphere and the wormcast was oxalic acid, malic acid, tartaric acid, succinic acid and malonic acid, one of highest content was oxalic acid.

苹果根际和蚯蚓粪中检测到的有机酸主要有草酸、苹果酸、酒石酸、琥珀酸和丙二酸，以草酸含量为高。

Be- cause the degradation of PVC was caused by the catalysis of ZnCl_2,the stablizing time of Congo red of zinc dicarbox...

几种二元羧酸钙中癸二酸钙对PVC的热稳定效果最好，当其含量达到1％时，对PVC已具有较好的热稳定性效果。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。