碳化的

The catalytic performances of the catalysts were studied by alkylation reaction of benzene and dodecylene in a micro-reactor.

采用负载磷钨酸的SBA-15分子筛作为催化剂，以苯和十二碳烯为原料，经烷基化反应合成十二烷基苯。

We researched on the prepartion of pivotal intermediate 2 and 3 for 1 P-methyl carbapenem antibiotics from intermediate 1, which is subjected to Reformastky reaction, N-alkylation, Dieckmann-type cyclisation, enolization, ester condensation etc. in sequence. The synthesis route of document is optimized by us.

我们研究了1β-甲基碳青霉烯类重要中间体的合成，从中间体1出发经Reformastky反应、水解反应合成出中间体2；经Reformastky反应、烷基化、Dieckmann环合、烯醇化、酯化合成出中间体3，并对其中各步反应作了优化和探索。

The products determined by X-ray diffraction are graphitic.

产品晶态结构完好，碳的石墨化程度较高。

Objective To investigate the effects of perfluorochemical on in vitro long-term hypothermic heart preservation in rats.

目的 研究全氟化碳化合物在大鼠离体心脏长时程低温保存中的作用。

The carbothermal reduction nitridation reaction was promoted greatly after the milling of alumina for 20 hours.

研究了氧化铝球磨对碳热还原反应合成氮化铝的作用。

High oxidation—resisting ability means that the pellets can be reduced in the atmosphere of high oxidizability.

高自还原能力是指本文含碳球团在1200～1350℃自还原十几分钟之内，达到80％以上的金属化率，自还原速度很快。

The plant's treatment train includes chemical clarification, recarbonation, multimedia filtration, granular activated carbon, reverse osmosis, chlorination and blending.

21水厂的处理工艺流程包括：化学净化，再碳酸化，多媒介过滤，活性碳处理，反渗透，氯处理和混合。

Microwave-assisted chemical functionalization of single-walled carbon nanotubes, with undecyl groups decomposed from lauroyl peroxides was reported.

本文报道了微波辅助下，利用过氧化月桂酰分解得到的十一烷基，化学功能化修饰单壁碳纳米管。

Changing microstructure and substructure,microalloying,carbonizing treatment and casting are proposed to solve following problems:low plastic property under room temperature,low oxidation resistance over 850 ℃ temperature and difficult machining.

提出了采用改变显微组织和亚结构、微合金化和渗碳处理、铸造等手段，解决其存在的室温塑性较低、850℃以上抗氧化能力不足和难加工等问题。

A capsule dehiscing transversely by a lid that falls off to release the seeds.

酸化处理过的填料会使co2从无机碳中释放出来。

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。