羰基

These clusters show different fluxional behaviour and ligands according to various substituent around the metals of osmium.

根据羰基配体取代基的不同,该类簇物中小分子的移动种类及方式也有所不同。

Reactions of Carbonyl Compounds with the Carbonyl Group as an Electrophile with H, C, N and O Nucleophiles.

作为亲电基的碳基与作为亲核基的H,C,N和O的羰基化物反应。

They are formed byatmospheric photochemistry reaction, and could product OH radical, alkyl radical, ozone,carboxylic acid peroxyacetyl nitrates by atmospheric photochemistry reaction.

羰基化物既是大气光化学反应的产物，又能通过光化学反应生成羧、羟基自由基、臭氧和过氧乙酰硝。

This paper andlyses and disscusses the application of group of equal value in syn-thetize to the synthetize of carbonyl chemical compound.

文介绍并讨论了些成用等价基成羰基化物中的应用。

At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.

与此同时，醛、酮、类羰基、芳香酮、醛类羰基等类含氧基或者从无到有，或者官能数量不断增加。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催化剂,有机胺为助催化剂,对氯硝基苯和二甲胺为反应底物,经高选择性氧化还原羰基化一步成灭草隆除草剂。

A simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up.

利用诱导效应指数建立了一个含羰基有机化物的标准生成热的简单计算方法。

OXEA, one of the world's largest suppliers of oxo-products,.with annual sales worth more than 2 billion USD and manufactory sites in Europe and USA.

OXEA是全球羰基化物的最大供应商之一，年销售额超过20亿美元，美国和欧洲建有工厂。

Unsaturated transition metal thiocarbonyl complexes are building blocks for stable organometallic complexes and play important role in catalysis and biology.The CS molecule is isovalent with CO.

不饱和过渡金属硫代羰基化物不仅催化及生物上具有重要作用，而且这些化物是许多稳定的金属有机化物的结构单元。

And it mainly includes the action of 1,3-diethylene alkylation and acidyl; the action of addition of carbonyl compound; the action of chlorortrimethys:lane and the reaction of diethy lene.

对含硫碳负离子─—1，3-二噻烷的成方法及其有机成上的应用进行比较系统的介绍，主要介绍1，3-二噻烷的烃基化和酰基化反应，与羰基化物的加成反应，与氯化三甲硅的反应及1，3-二噻烷的还原反应。

Sugar alcohol (alditol) An alcohol derived from a monosaccharide by reduction of its carbonyl group (CO) so that each carbon atom of the sugar has an alcohol group (OH).

单糖的羰基(CO)还原得到一个醇．继而糖分子的每个碳原子都连有一个羟基(OH)。