乙酸

The pyroligneous acid also contains acetic acid which can be converted into calcium acetate, from which acetone can be obtained as in.

焦木的酸并且包含可能被转换成钙醋酸盐，从丙酮作为可能被获得的乙酸。

Kinds of organic acids (pyruvic acid, malic acid, lactic acid, acetic acid, citric acid and succinic acid) presented in beer were intensively studied in this paper.

本文以对啤酒质量有重要影响的6种有机酸(丙酮酸、苹果酸、乙酸、乳酸、柠檬酸和琥珀酸)为研究对象，确定了淡爽型啤酒的最佳有机酸组成，并研究了酿造过程中有机酸的变化及影响因素。

The design, synthesis, and angiotensin Ⅱ antagonist activities of several quinazolinone and quinazoline phenoxyphenylacetic acids are described.

本文设计、合成了一系列喹唑啉酮和喹唑啉苯氧基苯乙酸类化合物，并检测了它们的血管紧张素Ⅱ受体拮抗活性。

Quinazolinone ring was used to replace the quinoline moiety of quinoline phenoxyphenylacetic acids which have been discovered as potent AⅡ antagonists, to give a new series of antagonists, while their quinazoline analogs were obtained as isomers during the synthesis of.

前文报道了一系列喹啉苯氧基苯乙酸类非肽类血管紧张素Ⅱ受体拮抗剂，本文以喹唑啉酮代替化合物的喹啉获得化合物，在合成化合物时，同时还获得了化合物。

And 1. 0M respectively. BYS-1 could use anline, phenol and salicylic acid as substrate to support growth, but could not use catechol and quinol, it could use benzoic acid poorly.

BYS-1能耐受多种重金属离子，Zn〓，Cu〓，Ba〓，Mn〓对其降解苯乙酸没有明显的影响，Co〓和Cr〓对其降解稍有影响，Cd〓和Pb〓则抑制其降解。

The influences of the type and dosage of the aldehyde, organic acids, as well as the water content in the reaction system on the racemization were examined in detail, and L-Glu was racemized quickly in the presence of 0.2 molar ratio of L-Glu to salicylaldehyde in acetic acid containing 20% water.

详细考察了醛的种类及用量、羧酸溶剂的种类、反应体系的含水量对消旋化的影响，结果表明L-谷氨酸在含20%水的乙酸溶剂中，以水杨醛作为催化剂(水杨醛与L-谷氨酸的物质的量比为0.2)的优化条件下可以快速地被消旋化。

How is oxaloacetate that is lost from the cycle replenished ?

在生物合成反应中丢失的草酰乙酸是如何回补的？

Methods: the target compounds were synthesized by multi_step from resorcinol and p_substituted phenylacetic acid as the starting material.

从间苯二酚和对位取代苯乙酸开始，经多步反应，合成出目标化合物。

Aerobic and anaerobic degradability of Ethylenediaminetetraethylene acidwere measured on Warburg respirometer and anaerobic batch reactors.

研究EDTA作为单一碳源以及在乙酸钠、葡萄糖共基质条件下EDTA的厌氧、好氧生物降解特性。

After ultraviolet radiation disinfection of the effluent from WWTP,microorganisms can revivify due to the photoreactivation effects.

污水厂出水经紫外线消毒后在排放过程中会出现微生物的复活现象，为此考察了采用UV—氯和UV—过氧乙酸控制光复活的效果。

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。