查询词典 salt acid

A new method of solvent-thermal synthesis of Meso-tetra(4-carboxyphenyl) zincporphyrin complexs, using the propionic acid and the DMF as solvents and the salt of zinc, catalyst-;pyrrol,4-carboxybenzaldehyde, as reagents.

报道了用丙酸和DMF作溶剂和催化剂，直接用吡咯，4 羧基苯甲醛，锌盐合成Meso 5，10，15，20 四锌卟啉配合物的新型方法———溶剂热合成。

Methods: Erucic acid from rape oil was extracted with cooling crystallization, and compared with lead salt method.

采用冷结晶法提取芥酸，并与铅盐法提取芥酸作了比较。

A salt or ester of chromic acid .Let me remind you how ricin works.

我想提醒大家的是蓖麻毒素是如何工作的。

The optimum formula is:flour 500 g,yeast 10 g, sugar 40 g,salt 5 g,oil 15 g,water 300 g,sucrose ricinus acid esters mixture 5 g.

最佳配方是：面粉500g，酵母10g，糖40g，盐5g，油15g，水300g以及复配蓖麻醇酸蔗糖酯5g。

Such as the Zhuang, Yao, Dong, Mulao, Maonan nationality has five colors, such as glutinous rice and glutinous rice Ciba, Dong, Miao, Mulao, Maonan, water, and other nationalities have pickled cabbage, sour meat, fish, such as acid, like to eat fish,"Pepper bone", Yao has a unique flavor of salt products - the "bird health," Maonan a tofu dish and a round of beef,"Dabian Lu", Dong, Yao, Miao, and other nationalities have to fight Camellia, Zhuang, Jing women like chewing betel nut, etc..

如壮、瑶、侗、仫佬、毛南等民族有五色糯米饭和糯米糍粑，侗、苗、仫佬、毛南、水等民族有酸菜、酸肉、酸鱼等，水族喜欢吃"辣椒骨"，瑶族有风味独特的腌制品——"鸟酢"，毛南族有豆腐圆和菜牛肉"打边炉"，侗、瑶、苗等民族有打油茶，壮族、京族妇女喜欢嚼槟榔等等。

A study was made of the properties of NR and the effect that natural rubber latex was conserved with feeble-acid-ammonium salt.

通过对弱酸铵盐性质的分析，探索弱酸铵盐对鲜天然胶乳的保存效果及其性能的影响。

This invention is directed to the-tartaric acid salt of 2-amino-N-{1-(2,4-difluoro-benzyloxymethyl)-2-oxo-2-3-oxo-3a-pyridin-2-ylmethyl-2-(2,2,2-trifluoroethyl-2,3,3a, 4,6,7-hexahydro-pyrazolo(4,3-c) pyridin-5-yl-ethyl}-2-methyl-propionamide which is a growth hormone secretagogue and as such is useful for increasing the level of endogenous growth hormone.

本发明涉及2－氨基－N－{1－－(2，4－二氟－卞氧甲基)－2－氧代－2－3－氧代－3a－(R－吡啶－2－基甲基－2－(2，2，2－三氟－乙基)－2，3，3a，4，6，7－六氢化－吡唑子基(4，3－c)吡啶－5－基－乙基}－2－甲基－丙酰胺的－－酒石酸盐，它是一种生长激素促分泌素，并且可用于提高内源性生长激素水平。

A salt or ester derived from silicic acid .

从硅酸衍生而来的盐或酯。

Two kinds of sulfonium salt s as photo-acid generator possess high thermo-decomposition temperature and good solubility in some organic solvents.

对合成的两种新型锍鎓盐光生酸剂进行了基本物性考察，表明它们有较高的热分解温度和在常用有机溶剂中有较好的溶解性，并考察了其在405、365nm 下乙腈中的分解及产酸性能。

A salt or ester of sulphuric acid.

硫酸形成的一种盐或酯。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。