carbonyl

Pollution survey of 10 carbonyl compounds in air of 6 trains was conducted.

调查评价了6辆列车车厢空气中醛酮的污染状况.

A series of α,β unsaturated ketones and esters have been synthesized by Knoevenagel reaction of aldehyde with carbonyl compounds which have active methylene group in the presence of tellurium(ⅳ) chloride in excellent yields.

用TeCl4催化含有活泼亚甲基的羰基化合物与醛的Knoevenagel反应，合成了一系列α，β－不饱和酮或酯，收率最高达95%。

The carbonyl molybdenum ( cobalt, nickel ) as catalysts used in polymerization is reviewed.

简述羰基钼 ( 钴 、 镍 ) 用于聚合反应中的催化剂.

Analysis of the Relation between the Molecular Structure of Carbonyl Compound and the Stability of Its Aqua Compound

试论羰基化合物的分子结构与其水合物稳定性的关系

Silver-coated carbonyl iron powder was prepared by using electroless plating method.

用化学镀法,甲醛为还原剂,制备镀银羰基铁粉.

Bond distance of molecule carbon monoxide and complex compound of carbonyl group

CO分子的键长与羰基配位化合物

Cyclopropane carbonyl chloride is an important intermediate.

环丙甲酰氯是一种重要的中间体.

Emphasis is on substitution and elimination reactions and chemistry of the carbonyl group.

重点强调取代、消除反应和含羰基基团的化学性质.

Results showed that carbonyl compou nds , organic nitrates , HCOOH and CO, were formed.

结果表明,产物中主要有羰基化合物 、 硝酸酯或过氧硝酸酯、甲酸(HCOOH)及CO等.

The chemical reductants fail to reduce carbonyl group under ambient conditions.

羰基在一般条件下不易被化学还原剂还原.

This article is concerning the lightweight microwave absorbing coating containing carbonyl iron powder ( CIP ) .

研究了以羰 基铁 粉为吸收剂的吸波涂层的轻型化问题.

Iron and nickel carbonyl compounds are poisons to copper-based methanol synthesis catalysts.

羰基铁和羰基镍是铜基合成甲醇催化剂的毒物.

It was found that the concentration of POOH formed in PP, the mass increase of PP and the carbonyl index of PP are lower in the systems with better combination effect.

发现并用效果越好的体系中氢过氧化物的生成浓度越低，PP质量增加越少。

New Development of Pinacol Reaction by Reductive Coupling Carbonyl Compounds

羰基化合物还原偶联为（口+片）呐醇反应的研究新进展

The vibrant frequency of carbonyl is concerned with the force-constant and convert-mass of the carbonyl.

分子中具有红外活性的两个原子间的振动频率与化学键的力常数及折合质量有关.

Synthesis and Crystal Structure of Tetranuclear Cobalt Carbonyl Clusters

四核钴羰基簇合物的合成和晶体结构

Enhancement of asymmetric reduction of 4 ′-chloroacetophenone by optimizing culture conditions of carbonyl reductase-producing strain Candida krusei SW 2026

羰基还原酶产生菌SW2026的产酶条件及其不对称催化还原4′-氯苯乙酮

Use the Chloride, sodium hydroxide and carbon monoxide as raw materials, taking the Cobalt Carbonyl as catalyst to produce Phenylacetate.

用氯苄、氢氧化钠和一氧化碳为原料，以羰基钴为催化剂生产苯乙酸。

~ 1H-NMR and UV analysis show that, after reaction, benzene ring in the structure unit of the alkali lignin is steady, carboxyl, carbonyl and methoxyl all have reduced in different extent, while aliphatic and phenol hydroxyl have increased.

~1H-NMR和UV光谱分析显示反应后碱木质素的结构单元中苯环结构稳定，羰基、羧基、甲氧基有所减少，醇羟基和酚羟基的量增加了。

Discussion on Determination Method of Carbonyl Group Value in Rancidity Test of oil in the defatted powder of semen platycladi

柏子仁霜脂肪油酸败度检查中羰基值测定方法的探讨

Objective Comprehensive description of the toxicity metabolism and treatments of nickel carbonyl.

目的综述羰基镍的毒理、代谢和治疗.

The technology of low pressure synthesis of tetracarbonyl cobalt with cobalt chloride and sulfur compounds with low valency has been used in the production of phenylacetic acid by carbonyl synthesis with benzyl chloride.

应用氯化钴和低价含硫化合物低压合成四羰基钴盐的技术于氯苄羰化合成苯乙酸的生产中。

Carbonyl compound in the products have positive relationship with air.

产品的羰基化合物与空气呈正关系.

Chlorotyrosine was not elevated in patients with high MPO or carbonyl levels.

MPO或蛋白质羰基升高的病人3-氯酪氨酸并不升高.

Experimental Study on the Production of Deodorant of Garlic Odor through Amino-carbonyl Reaction

利用氨基羰基反应脱大蒜臭气的实验研究

The carbonyl index of PE containing pentamethyl HALS is less than that of PE containing tetramethyl HALS when radiation is relatively low, but the result is contrary when radiation dose is relatively high.

在辐照剂量较低时，含五甲基HALS的PE薄膜的羰基指数比含四甲基HALS的PE薄膜的小，而在辐照剂量较高时，结果相反。

The rate constants of model reaction ⅱ are arranged in decreasing order: k5> k6. The migratory-insertion of silyl group to carbonyl group was proposed as the rate-determining step.

模型反应Ⅱ：k5>k5.提出了硅基对环酮羰基的迁移插入为反应的决定速率步骤。

The hydrogenation of diene compound and carbonyl group with yeasts was studied.

对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.

This paper discussed the free radical theory of aging, the glycation theory of aging and directed to the carbonyl stress theory of aging, which was implied from the biochemistry of age pigment formation.

本文讨论了衰老的自由基学说、糖基化学说以及在其基础上根据老年色素的形成机制发展而成的羰基毒化衰老学说。

The surface lipids undergo oxidation, generating many compounds containing hydroxyl and carbonyl groups.

表面的类脂物氧化后, 产生许多化合物,包括羟基和羰基化合物.