This papoer deals with a nitempering process of sifter mesh.

研究了一种筛片的软工艺。

Electroless plating method is applied to metallize the AlN sbstrate.

应用学镀镍的方法实现了铝的金属。

The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).

利用基辅助激光解吸电离飞行时间法分析三苯胺偶合物。

And the azotized silicon product has won the honorary title of national new product for the year of 1995.

硅制获得1995年度国家级新产荣誉称号。

Therefore,the improvement on casting quality and adoption of the oxynitriding are efficiant means to increase,fatigue life of the crankshaft.

因此,改善铸造量并采用氧是提曲轴疲劳寿命的有效手段。

Dichlorofluorobenzene is prepared by diazotizating of 2,4-dichloro aniline and substituting of 2,4-dichloro diazo benzene with fluorinion.

在此概述了由2,4-二氯苯胺经过重、置换制得2,4-二氯氟苯的生产新工艺,产纯度达到99。

The ethanol was dropped into furnace meanwhile ammonia was put through to nitempering. and the process parameter was optimized.

在通氨的同时,将乙醇直接滴入工作炉内,实现气体软,并对工艺进行了优选。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝基苯甲酰氯为起始原料,经缩合、还原、重、偶合、成盐等反应制得巴柳二钠。

It is an important organic chemical material and widely used in many fields, dyestuff, medicine, detonator, spicery and rubber-vulcanize accelerant etc.

能起卤、重等反应。

The results show that the titanium can increase the hardness and depth of the nitro-layer,and affect the phose composition of the nitro-layer.

钛能提层硬度、增加层深度，并对层的相组成有影响。

This paper reviews the literature on the potential of detoxification, transformation and mineralization of nitroaromatic and azo compounds under anaerobic conditions.

回顾了硝基芳香合物和偶合物在厌氧条件下的生物脱毒、转和矿作用的研究成果。

Writer discusses also the characteristic of silicon nitrid ceramic materials,and chooses this ceramic bearing used in the bottom of the reactor above.

论述了硅陶瓷材料的特点，选择了硅陶瓷轴承作为有机硅室温胶搅拌釜底轴承并进行了相应设计。

A method for determination of nitrogen in N-MnFe by titrimetry with amidosulfonic acid after alkaline distillating separation has been studied in this paper.

本文研究了强碱蒸馏分离-氨磺酸滴定法测定锰铁中的分析方法。

In this study, gallium nitride nanowires were successfully grown on Silicon substrate using a simple resistive heated furnace, APCVD system, at room temperature.

发现在镓材料上具有室温铁磁性的性，被预期能运用在磁性记忆体的元件和积体电路的材料上。

The reason for the fail of carbon nitride synthesis was analysed and relevant graphitoid carbon nitride and unformed carbon nitrides were introduced in the article.

分析了妨碍碳物合成成功的原因,对相关的类石墨的碳合物和无定型的碳合物作了介绍。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催剂可以分为两类,过渡金属双功能催剂和过渡金属物、碳物和碳氧物催剂。

Only small amounts of wurtzite boron nitride and lonsdaleite exist naturally or have been made in the lab so until now no one had realised their superior strength.

天然存在或者实验室制造的纤锌矿型硼和朗斯代尔石数量很少，直到现在，也没有一个人发现它们令人吃惊的硬度。

Nitrene is a very important kind of of ganic active intermediate to synthesize the compounds containing nitrogen,which has the characters of high reactivity,diversity of reaction type and so on.

烯是合成含合物的一类重要的有机活性中间体,具有反应活性、反应类型多样等特点,在材料学、生命科学等新科技领域中有着广泛的应用。