羰基的

Preparation, Structure and Property of Carbonyl Iron Composite

羰基铁复合粒子的制备、结构与性能

This method represents a useful conversion of the carbonyl group to the amino group.

它成为一个使羰基变为氨基的有效方法。

It was found that there was a weak interaction between the C-H beside the carbonyl of FM and water.

研究发现羰基侧的H原子与水分子能形成C-H…O弱相互作用。

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。

This research is to study the effect of the characteristics of three wax-es, namely paraffin wax, carnauba wax and acrawax, on the ijection molding of carbonyl iron powder/low-density polyethylene mixtures.

本研究在於探讨三种蜡，即石蜡、巴西蜡、和胺蜡之特性，以及对於羰基铁粉╱聚乙烯树脂系统在射出成型过程中的影响。

Most of researches focused on the HDA reaction betweenDanishefsky diene with aldehydes.

其中又以 Danishefsky 二烯与羰基化合物的反应研究最为详尽。

There are three methods mainly to synthesize diphenyl carbonate: phosgene method, transesterification and oxidative carbonylation.

碳酸二苯酯的合成方法主要有三种，即光气法、酯交换法和氧化羰基化法。

The transition metal catalysis reduction, hydride reagents reduction, sodium dithionite reduction and bioreduction ware discussed.

综述了近年来α，β-不饱和羰基化合物α，β-碳碳双键和碳氧双键的选择还原研究进展，讨论了过渡金属催化还原、氢化试剂还原、连三亚硫酸钠还原以及生物还原。

Reaction of Carbonyl Compounds with Grignard and Organolithium Reagents.

羰基化合物与Grignard试剂和有机锂试剂的反应。

The catalytic activities of some coordination polymers in synthesis of DPC from oxidative carbonylation of phenol were investigated. Palladium complex Pd(C_2O_4)·0.5(C_4H_8N_2) has better catalytic activity in the typical reaction condition, it was synthesized with PdCl_2, oxalic acid and piperazine hexahydrate by solvothermal method under low temperature and characterized by IR, EA and TG.

以一些配位聚合物作为主催化剂考察它们在苯酚氧化羰基化生成碳酸二苯酯反应中的催化活性，经过比较，筛选出配位聚合物Pd(C_2O_4)·0.5(C_4H_8N_2)(在低温条件下以溶剂热法合成)，采用IR、TG，EA和比表面分析技术对它进行了表征。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。