查询词典 melting point

After the \4ear resist alloy with high melting point is sprayed on the prototype , the spray formed layer is backupped, the prototype is separated from the spray layer , the post processing is completed, and a high precision perdurable metal tool is finally produced.

在该原型表面熔射高熔点耐磨合金后，通过对熔射层背衬补强、并将原型与熔射层分离以及后处理，即可制得高精度耐久金属模具。

After the \4ear resistant alloy with high melting point is sprayed on the prototype, the spray formed layer is backupped, the prototype is separated from the spray layer, the post processing is completed, and a high precision perdurable metal tool is finally produced.

在该原型表面熔射高熔点耐磨合金后，通过对熔射层背衬补强、并将原型与熔射层分离以及后处理，即可制得高精度耐久金属模具。

In order to find active pesticide leading compounds, thinking about that triazolothiadiazoles had various biological activities, this paper designed and synthesized 11 novel title compounds from 3-substituted-4-amino-5-mercapto-1,2,4-triazoles with heterocyclic carboxylic acid via cyclization in the presence of phosphoryl chloride by the princple of combination of active strucural moieties. The structures of the title compounds were characterized by melting point, IR, 1HNMR and elemental analysis.

为了寻找高活性农药先导化合物，考虑到三唑并噻二唑衍生物具有广泛的生物活性，本文利用活性亚结构拼接原理，将活性基团分别引入1，2，4-均三唑并[3，4-b]-1，3，4-噻二唑杂环的3位和6位，合成了未见文献报道的3，6-二取代均三唑并[3，4-b]-1，3，4-噻二唑类化合物11个，并用IR、1HNMR及元素分析测试技术对其进行了结构表征。

The melting point, wettability and corrosion resistance of solder were measured and analyzed; the microstructure of the solder were observed using photomicrography.

测试优选合金的熔点和耐腐蚀性能，并对接头微观组织进行观察。

shock temperature ; shock induced melting point ; equation of state ; high pressure and high temperature

事实上，即使冲击温度的实验测量也要事先计算物质的冲击温度，再根据理论计算的结果来进行实验设计。

These ligands were characterized by melting point, elementary analysis, mass spectrometry and nuclear magnetic resonance, and showed high purity.

所合成的配体经熔点、元素分析、MS和NMR等确证了结构，并表明其具有较高的纯度。

The low melting point of polyethylene allows for closure of pores and reduction of flow through them at elevated temperatures.

此聚合物的低融点性可以在更高的温度下关闭毛孔并减少流量。

Analyzed the structure of new disperse dye with thin-layer chromatography, melting point and IR spectrum.

利用熔点法、薄层色谱法和红外光谱法对染料进行了分析。

Metal tailings which are abundant in silicon dioxide, pyrites and trace elements have lower melting point and are favorable materials to producing cement.

金属尾矿一般熔点较低，含SiO_2和FeS_2较高，并含有丰富的微量元素，是生产水泥的良好原料。

The bismaleimide has the defects such as high melting point, bad resolvability, high curing temperature, great brittleness because of the structure, and these restrict its application and development.

双马来酰亚胺由于结构的特点，使得双马来酰亚胺树脂具有熔点高、溶解性差、成型温度高、固化物脆性大等缺点，这些均限制了双马来酰亚胺树脂的应用与发展。

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。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。