低熔点的

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。

This thesis studies the high ash fusibility Huainan coal blended with four low fusibility coals.

通过配煤的方法，对高灰熔融性淮南煤与4种低灰熔融性煤进行配加，可以显著的降低淮南煤的高灰熔点。

Series of Bi-Pb-Sn-Cd fusible alloys were designed with reference to the characteristics of Bi-based alloy and their phase diagram.

Bi Pb Sn Cd易熔合金的熔点低、熔化范围窄，且具有良好的钎焊性能，常用于制作电器、消防、火灾报警等装置中的感温和热敏元件[1]。

Results showed that the chloride-molten salt mixture has low melting point,proper latent heat value,and preferable thermal stability at high temperature.

实验结果表明：氯化物的混合熔盐具有较低的熔点，合适的潜热值及高温下良好的热稳定性的特点。

The application of laminated burning technique to white - coal - burning positive - revolve chain boilers

介绍了国电谏壁发电厂锅炉在掺烧低灰熔点煤的实践中总结出的燃煤分层燃烧技术，并指出了分仓加煤、分层燃烧应注意的问题。

But Pb-Cu alloy liquid is immiscibly and generally and rapidly separated into two distinct layers due to the big difference of density and melting points between the Cu and Pb; it is difficult to produce the uniformly dispersed microstructure without segregation.

但是铜铅合金熔炼时，铜与铅的熔点、比重差距大，而且铅在铜中的溶解度很低，最终组织极易形成严重偏析，严重影响产品质量，很难制造出铅弥散分布于铜中的优质合金。

Low levels of the crust, melting point 3180 ℃, boiling point 5627 ℃, the relative density of 2053, the external F electronic structure 5d56s2, reaction time will be lost 1-7 electronic, but also can capture an electron, so oxidation number of 0,± 1, 2 , 3, 4, 5, 6 and 7, rhenium with the halogen in the fluorine, chlorine, bromine reaction halides dissolved in water, can dissolve in nitric acid and ammonia hydrogen peroxide solution, but do not dissolve in hydrochloric acid.

地壳中含量很低，熔点3180℃，沸点5627℃，相对密度2053，外围F 电子结构5d56s2，反应时会丢失1—7个电子，也可捕获一个电子，所以氧化数为0、±1、＋2、＋3、＋4、＋5、＋6和＋7，铼能与卤素中的氟、氯、溴反应生成溶于水的卤化物，能溶于硝酸和含氨过氧化氢等溶液，但不溶于盐酸。

While melting at right temperature,it can protect the residual carbon produced in the degradation of PVC,thus increasing the residual carbon amount and the flame retardancy and smoke suppression.

制得的硫酸盐混合物熔点低，在适当温度下熔融时，能有效地保护PVC降解过程中形成的剩碳，从而能提高剩碳率，提高阻燃与消烟性能。

It is found that liquid crystalline compounds with low-melting point, small melting enthalpy and similar structure should be selected in order to obtain stable liquid crystalline mixed systems with broad nematie phase range.

认为为了获得稳定的宽向列相范围的液晶混合体系应选择熔点低、熔融热焓小和结构相类似的液晶化合物。

Welding to materials like aluminum, copper, white metal, and brass that have low melting temperatures and are easily oxidized, can be facilitated by flushing the welding spot with nitrogen, argon, helium, carbon dioxide or some similar protective gas.

焊接那些像铝、铜、白合金、黄铜这些熔点很低、易于氧化的材料，使用氮气、氩气、氦气、二氧化碳或一些类似的保护气体，吹洗焊接焊点。

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