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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。

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。

In four-facies peridotite, clinopyroxene contains abundant information concerning partial melting and mantle metasomatism due to its low melting point.

在无水"干"体系的四矿物相橄榄岩中,单斜辉石由于熔点低而通常记录着丰富的部分熔融作用和地幔交代作用信息。

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。

In four-facies peridotite, clinopyroxene contains abundant information concerning partial melting and mantle metasomatism due to its low melting point.

在无水&干&体系的四矿物相橄榄岩中,单斜辉石由于熔点低而通常记录着丰富的部分熔融作用和地幔交代作用信息。

It can provide clues and basis for further research and application of deacidification of rice bran oil. rice bran oil ; deacidification ; free fatty acid

此外,米糠油熔点低、黏度小,能够在口腔里形成舒适的油膜,人体对它的消化率可达92%~94%,长期食用米糠油还有预防心脑血管疾病、促进新陈代

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。

The application of this glass used as low-melting point glass and its transiting temperature and thermal expansion coefficient are analyzed and discussed.

本文报道了Na_2O-Al_2O_3-B_2O_3系统玻璃可作为一种低熔点玻璃的应用,并依据实验结果给出了Na_2O-Al_2O_3-B_2O_3系统的相图、Tg点等高图、膨胀系数等高图。

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。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

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