熔点

Aluminium Fluoride, molecular formula: AlF3, is mainly used to adjust the molecular ratio in aluminium electrobath, lower the smelting point of media and increase the conductivity of electrolyte. It is also used as the inhibitor in alcoholic fermen tation, the flux of vitreous enamel around the ceramics and the flux of the non-iron metal etc.

氟化铝，分子式：AlF3，白色粉状固体，主要用于调整铝电解槽电解质的分子比，降低熔点和提高电解质的导电率，还用于生产酒精时作发酵的抑止剂，陶瓷外层釉彩的助熔剂，非铁金属的熔剂等。

The carbon based materials have low electron affinity even negative electron affinity,and have the good ability of eradiating electrons in electric field.

其中非晶碳膜具有好的化学稳定性和热稳定性、高的熔点和热导率、小的介电常数、大的载流子迁移率和高的击穿电压，是一种很有前途的场发射冷阴极材料。

These materials have excellent chemical and thermal stability, high melting point, high thermal conductivity, high breakdown voltage and large carrier mobility rate especially the smaller electron affinity and potential or even a negative electron affinity, and the situation has greatly reduced the market launch of the threshold voltage, therefore, Field emission of such material will have a very vast potential for development and application prospects.

这些材料具有良好的化学与热稳定性、高熔点、高热导率、高击穿电压及大的载流子迁移率，特别是较小的电子亲和势甚至是负的电子亲和势，大大降低了场发射的阈值电压，因此，这类场发射材料将有着极为广阔的发展潜力及应用前景。

Using empirical electron theory of solids and molecules, the valent electron structures of several transition metallic carbides have been evaluated.

运用固体与分子经验电子理论计算了几种过渡族金属碳化物的价电子结构，发现碳化物的主要价电子结构参数主键键能与碳化物的熔点、硬度及生成焓之间存在着很好的相关

According to IS theory as well as die bond requirement in reality, Au/In was chosen by virtue of appropriate equilibrium diagram and high reaction rate from a variety of binary alloy systems as die bond media. To match CET of chip material of silicon, alloy 42 (Iron-Nickel) rather than copper—2 kinds of lead-frame materials in most common usage, was selected as substrate.

根据等温凝固原理和芯片焊接的实际需要，从多组二元合金中选出了共熔点低、反应速度快的金和铟作为焊接材料；并以硅片作为芯片，从目前最常用的框架材料—铜和铁镍四十二合金中，选出了与硅的热膨胀系数相近的铁镍四十二合金作为衬底材料。

Identify the structure of the unknown amino acid from the melting point and equivalent weight of the purified amino acid derivative.

利用已纯化的胺基酸的衍生物的等当量和熔点，可以对未知胺基酸进行结构鉴定

From the transform infrared spectroscopy and X-ray photoelectron spectroscopy spectra, the hydroxyl and ethoxyl groups of the silica sol drawn from partially hydrolysis and polycondensation between TEOS and MTES can react with PA6 precursor.

红外图谱和X射线光电子能谱分析结果显示，硅溶胶的羟基和未完全水解的烷氧基能够与PA6的前驱体发生杂化反应。X射线衍射结果显示，采用本实验方法制备出的PA6和疏水型PA6/SiO2有机无机杂化材均为α晶型，而DSC结果表明，PA6/SiO2有机无机杂化材料的熔点略高于PA6。

Methods Gelators of N-lauroyl-l-alanine methyl esterand N-lauroyl-l-alanine ethyl esterwere synthesized with l-alanine methyl ester,l-alanine ethyl ester and lauroyl chloride as materials.

方法以l-丙氨酸甲酯盐酸盐、l-丙氨酸乙酯盐酸盐和月桂酰氯为原料，合成月桂酰-丙氨酸甲酯凝胶因子及月桂酰-丙氨酸乙酯凝胶因子，采用IR、1H-NMR、MS对其结构进行表征，并对其熔点、热稳定性、在各种植物油中的最小胶凝质量浓度、相转变温度等基本性质进行了研究。

It is easily soluble in water, acetone and alcohol, slightly soluble in ether, ethyl acetate, chloroform, and pyridine, unsoluble in benzene.

熔点151℃～154℃。易溶于水、丙酮与醇，微溶于醚、乙酸乙酯、氯仿和吡啶，不溶于苯。

The reaction of benzoic acid and ethylenediamine was studied under different conditions.

在不同条件下考察了苯甲酸与乙二胺的反应，对反应产物、主要副产物及反应中间体进行了分离和鉴定，通过熔点测定、元素分析和红外光谱分析，确定了产物为2-苯基咪唑啉，主要副产物为二苯甲酰乙二胺，中间体之一为乙二胺与苯甲酸形成的双盐。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失