查询词典 cinchona

Chemical arts including the selected translation of Agricola's De Re Metallica and a recipe for making Aqua-fortis, medicines including cinchona and ammonia water.

它采用了某些新资料，有的是最近发现的，有的是以前未曾被人察觉到的。

Any of several trees and shrubs of the genus Cinchona, native chiefly to the Andes and cultivated for bark that yields the medicinal alkaloids quinine and quinidine, which are used to treat malaria.

金鸡纳树一种金鸡纳属的树木和灌木，原产于安第斯山区，其树皮含有治疗疟疾的药用生物碱奎宁和奎尼定，因而被栽植

A pathological condition resulting from an overdose of cinchona bark or its alkaloid derivatives and marked by headache, dizziness, hearing loss, and ringing in the ears.

金鸡纳中毒由于过量服用金鸡纳或其生物碱衍生物所产生的病症，症状是头痛、眩晕、耳聋和暂时性耳鸣

The reported organocatalyst for asymmetric Michael additions include proline and its derivatives, chiral imidazolidinone derivatives, chiral urea, cinchona alkaloids and so on.

目前报道的催化Michael加成反应的有机催化剂主要有脯氨酸及其衍生物、手性咪唑啉酮、手性脲、金鸡纳碱衍生物等。

CH2Cl2 was a proper solvent for most of free cinchona alkaloids to achieve higher enantioselectivities, while THF was a better solvent for all the 1,4-dichlorophthalazine derivatives.

使用5mol%的催化剂获得了最佳的反应结果，3mol%的用量使ee值降低了5%，1mol%的用量则降低15%，但是当催化剂增至10mol%或20mol%，ee值也没有提高。

The thermodynamic parameters in the separation of enantiomers of amino acid derivatives and diastereomers of cinchona alkaloids were calculated and the dissociation constants of cinchonine and cinchonidine on the cinchonine imprinted monolithic disk were determined by frontal analysis.

计算了氨基酸衍生物对映体以及辛可纳非对映异构体分离过程的热力学参数并利用前沿色谱法测定了辛可宁和辛可尼丁在盘状分子印迹整体柱上的离解平衡常数。

Nsted acids, chiral primary amines, cinchona alkaloids, etc.

nsted酸、手性伯胺、金鸡纳碱衍生物等。

So the ester type cinchona alkaloid derivatives should be the preferable catalysts for the IFB reaction withβ-phenyl substituted bromoketones as substrate.

由此可知，这类以酯键形成的金鸡纳生物碱衍生物适于催化β-苯取代溴乙酰甲酸乙酯为底物的IFB反应。

Half the trunk was filled with Western medicine, including yatron, cinchona, sulfate of quinine , and formamint, all in their original wrappers.

这箱里一半是西药，原瓶封口的消治龙、药特灵、金鸡纳霜、福美明达片，应有尽有。

The reported organocatalyst for asymmetric Mannich reaction include proline derivatives, chiral phosphoric acids, chiralurea derivatives, cinchona alkaloids and so on, which can catalyze the asymmetric Mannich reaction with high catalytic activity and excellent enantiselectivity.

本文评述了各类有机催化剂在有机催化不对称Mannich 反应中的应用研究进展，以及不对称诱导反应的机理、催化剂分子结构及反应条件对其催化活性和不对称诱导作用的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。