氮化的

The diazotization and hydrolysis process was used to synthesize high-purity m-cresol using m-toluidine as the main material.

间甲酚是一种重要的精细化工中间体，以间甲苯胺为原料，采用重氮化-水解法制备高纯度间甲酚，通过正交实验和单因素实验对重氮化反应工艺条件进行了优化。

Syntheses of Curing Agent Modified Dicyandiamide by m-Toluidine;2. The diazotization and hydrolysis process was used to synthesize high-purity m-cresol using m-toluidine as the main material.

间甲酚是一种重要的精细化工中间体，以间甲苯胺为原料，采用重氮化-水解法制备高纯度间甲酚，通过正交实验和单因素实验对重氮化反应工艺条件进行了优化。

Because our laboratory use helicon sputtering system that is MBE-like to deposit aluminium nitride film experience for many years , and control to the understanding and quality of the aluminium nitride film has sutible confidence . Comprehensive above-mentioned material advantages , we choose aluminium nitride as the high dielectric constant material in our research .

此外由於本实验室使用具有类MBE成长机制之回旋溅镀系统成长氮化铝薄膜已有多年经验，使得氮化铝成为本研究中的高介电值材料。

Nitrogen cycle is very important for forest ecosystem,and soil N mineralization rate is often used as the index of soil N availability and its losses.

氮在森林生态系统的养分循环中很重要，常把土壤氮矿化速率作为生态系统中氮有效性和氮损失的指标。

At low applied forces, the hardness of rhenium diboride is equivalent to cubic boron nitride, the second-hardest material known, Kaner said.

在低作用力下，二硼化铼的硬度与立方结构的氮化硼相等，而氮化硼是第二硬的材料。

However, the conditions of solid state phase transformation of BN nanoparticies are still rather harsh.

尽管如此，以六方氮化硼纳米粉为原料制备立方氮化硼时，仍需要使用很高的温度和压力。

OBJECTIVE To determine the relative and absolute molecular weight of working reference substance of Grifolafrondosa beta-Glucan and compare the two analysis methods.

目的测定灰树花倍他葡聚糖工作对照品的相对及绝对分子质量，并对两种分析方法进行比较。方法色谱柱为TSK-G4000PW，流动相为0.7%硫酸钠(含0.02%叠氮化钠)或0.2%叠氮化钠溶液，流速为0.5 mL.min-1，柱温为35℃，高效凝胶渗透色谱法用示差折光检测器，高效凝胶渗透色谱和激光光散射联用法用DNDC仪和激光光散射仪联用。

It has raised great interests of research on interface of heterogenic material combination in resent years. In this research program, Al2O3, AlN and Si3N4 ceramics include Si samples had been surface metallized by pulsed high energy density plasma gun, and micro and macro behavior of interface between metallic film and substrate were studied in detail.

异质材料结合的界面研究是近年来材料研究的热点之一，本课题采用脉冲高能量密度等离子枪对氧化铝、氮化铝和氮化硅等纯陶瓷以及纯硅片材料基片表面进行金属化，进而对于金属膜/基底界面的微观和宏观行为进行了研究。

Earbonitriding Earbonitriding, sometimes known as dry cyaniding or nicarbing, is a case-hardening process in which the steel is held at a temperature above the critical range in a gaseous atmosphere from which it absorbs carbon and nitrogen.

碳氮共渗碳氮共渗，有时也称为干法氰化或渗碳氮化，是一种表面硬化工艺。通过把钢放在高于临界温度的气体中，让它吸收碳和氮。

Such compositions comprise at least one textile-cleaning surfactant; droplets of miscible silicones comprising both a polarly-functionalized, preferably nitrogen-containing amino or ammonium functionalized, polysiloxane component and a nitrogen-free non-functionalized or non-polarly-functionalized polysiloxane component; and a perfume component comprising fragrant aldehydes and/or ketones or a pro-perfume capable of providing such aldheyde and/or ketone perfume materials in situ.

这些组合物包含至少一种纺织品清洁表面活性剂；可混溶硅氧烷液滴，所述可混溶硅氧烷液滴不仅包含极性官能化的聚硅氧烷组分，优选含氮的氨基或铵官能化的聚硅氧烷组分，而且还包含不含氮的非官能化的或非极性官能化的聚硅氧烷组分；和包含芳香醛和/或酮的香料组分或能够就地提供这些醛和/或酮香料物质的前香料。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。