本文分析了几种与氮化硅有关的氧氮化物玻璃的形成范围及其网络结构特征。
Some types of oxynitride glass concerned with silicon nitride are studied in the present paper.
血浆氮化物有利益中止程序很容易,与氮化物的瓦斯相反和特别加盐于沭浴氮化物。
Plasma nitriding has the advantage that it is easy to stop the process, in contrast to gas nitriding and especially to salt bath nitriding.
随着运移作用的加强,含氮化合物绝对浓度下降,“屏蔽”型与“暴露”型或“半屏蔽”型化合物的比值增加。
With the increasing of oil migration effects, the concentration of nitrogen compounds decreased whereas the ratios of shielded nitrogen compounds to exposed or semi-shielded ones increased.
导致剥落的疲劳裂纹开始于表面缺陷和氮化层与心部交界处。
Cracks leading to spalling were initiated at surface defects and boundaries between nitriding layes and the core.
液体氮化由于液体与工件直接传导加热,缩短了工件加热时间,提高了渗氮速度。
Because the liquid nitriding the liquid and the work piece direct conduction heating, reduced the work piece heating-up time, raised the azotize speed.
提出了在高温和静态氮气氛下利用金属与氮气直接反应制取金属氮化物的合成方法。
A synthesis method is propsed to prepare metal nitrides by direct nitridation of metals in static nitrogen atmosphere at high temperature.
研究了一种新型钛合金精密铸造用型壳——氮化硼基复合型壳及其与钛镍合金的界面反应和反应层的形成机制。
A new kind of boron nitride based shell mold used for investment casting titanium alloys was fabricated and the reaction between it and Ti-Ni alloy was investigated.
利用热力学原理对碱金属氮化物热稳定性规律进行了探讨,与实验事实比较,得到了满意的结果。
This paper has discussed the heat stableness of the basic metal nitrides by thermodynamic principles, and compared the results with the facts of the experiments.
通过含铌与不含铌基体钢气体软氮化工艺对比实验,初步探索了合金元素铌对基体钢软氮化渗层组织与性能的影响。
This paper has investigated the influence of alloying element Nb on structure and properties of the soft nitriding layer by means of experiments of the matrix steels containing Nb and Nbfree.
本文探讨了羊毛偶合反应染色新方法,即重氮化羊毛与色酚的偶合染色以及预处理羊毛与重氮化色基的偶合染色。
This paper studies the coupling reaction method of dyeing the wool, i. e. the diazotized wool coupling with Naphtol and the pretreated wool coupling with the diazotized base.
以生猪猪胆为实验材料,用水解法提取胆红素,使胆红素与重氮化试剂反应。
In this paper, we used bile from pig for experiment, and used hydrolytic way to purify bilirubin.
用该态模型解释了氮化物产生高密度表面态的原因和深表面能级与较浅的瞬态电流激活能间的矛盾。
This new two dimensional surface states model explains the origin of surface states and the contradiction between deep surface levels and the low activation energy of a transient current.
报道了几种由5-氨基苯并咪唑酮为原料与酚偶联形成的偶氮化合物的合成。
In this paper, the synthesis of several azo compounds from diazotized 5 - aminobenzimidazolone and several phenols are studied.
第三章为多孔硅表面氮化硅的淀积与转移技术的结果与讨论。
In the third chapter, results and discussions of substrate transfer of thick silicon nitride film were elaborated.
采用分子动力学方法,模拟了(10,10)碳、氮化硼纳米管及纳米豆荚的轴向拉伸与压缩。
By using molecular dynamics(MD) method, the axial tension and compression of the (10,10) carbon, BN nanotubes and nanopeapods were simulated.
玻璃衬底与非晶硅膜之间的非晶氮化硅膜对非晶硅膜的晶化没有明显影响。
The amorphous silicon nitride film between amorphous silicon film and glass substrate is found to have no any effects on the crystallization.
新技术通过在软氮化粉末渗扩介质与被渗样品间施加合适参数的直流电场来实现。
The new technology is based mainly on applying direct current field (DCF) with proper parameter between the treated sample and the powder agents.
球墨铸铁经过气体多元共渗后可在其表面形成氮化层,通过X射线衍射和扫描电镜对渗层的相结构与形貌进行分析。
The nitride layer was formed on the surface of ductile cast iron by gas multi-element penetration, and the phase structure and section appearance of nitride layer were analyzed by the XRD and SEM.
研究了Q 235钢在经表面渗氮化钛处理后,其在10%的硫酸与富液中的耐蚀性能。
The corrosion resistance of Q235 steel in 10% sulfuric acid and rich liquid was studied after steel was treated through the surface nitridation titanium.
研究了在盐酸介质中微量亚硝酸根与亚甲紫发生的重氮化反应,建立了测定微量亚硝酸根的新方法。
A new spectrophotometric method for the determination of trace nitrite was studied. The method is based on the diazo - reaction of methylene violet with nitrite in hydrochloric acid medium.
研究甲胺磷(map)的水解等反应的生成物亚硝酸与8羟基喹啉合成的偶氮化合物的极谱行为。
The polarographic behaviour of an azo compound produced by the reaction of Methy amine phosphorus (MAP) with 8 hydroxyquinoline (Oxin), in the ammonia medium has been studied.
过渡金属氮化物与碳化物是一类间充性化合物,其结构特点决定其在催化反应上具有独特的催化效果。
Transition metal nitrides and carbides were a class of interstitial compounds with special structure characteristics which decided distinctive catalytic effects.
燃烧的镁与氮反应,生成固态氮化镁。
Burning magnesium reacts with nitrogen gas to give solid magnesium nitride.
通过建立砂粒自锁条件及实测长石砂岩、石英砂岩与泵筒镀铬层或氮化层的滑动摩擦系数值,证实了对柱塞拉伤失效原因的推测是正确的。
The deduction is confirmed by establishing self locking conditions and determining the sliding friction coefficients between sand and chromium plating layer and between sand and nitrided surface.
单质分子和氮化物与卤化物,其核间距与力常数都表现有相似的行为。
The internuclear distances and force constants of the elementary molecules as well as of the nitrides and halides, exhibit a similar behavior.
用等离子体浸没离子注入与沉积(PIIID)复合强化新技术在AISI52100轴承钢基体表面成功合成了硬而耐磨的氮化钛薄膜。
Titanium nitride(TiN) hard protective films were fabricated on AISI52100 bearing steel surface employing plasma immersion ion implantation and deposition(PIIID) technique.
氮化铝的热膨胀系数与硅的十分接近,因此不会引入大的热应力。
Since coefficients of thermal expansion between aluminum nitride and silicon are near, large thermal stress will not be introduced.
而在含有大量缺陷的晶粒边界,存在六角氮化硼的成核与生长。
The presence of hexagonal BN was due to defects within the grain boundaries of the underlying polycrystalline diamond substrates.
介绍了氮化碳晶体的合成与表征研究进展,分析了氮化碳晶体合成中存在的主要困难。
Progress and key difficulties in the synthesis and characterization of carbon nitride crystals are summarized.
介绍了氮化碳晶体的合成与表征研究进展,分析了氮化碳晶体合成中存在的主要困难。
Progress and key difficulties in the synthesis and characterization of carbon nitride crystals are summarized.
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