硅的

This paper deals with the effect of melt overheating treatment on the microstructure of Al-Si hypereutectic alloy.

过热可使合金的初生硅细化，随过热温度的升高，合金的初生硅尺寸逐渐减小。

Squeeze casting has been used for the shaping of comparatively large sized pistons made of hypereutectic aluminum-silicon alloys(silicon content between 16% to 20%).

采用挤压铸造的方法，作为尺寸较大的过共晶铝硅合金（含硅16％～20％）活塞的成型工艺。

The results of the correlations of composition, function and performances will lay a solid foundation for the fabrication of new model hypereutectic Al-Si alloy, provide evidences for theory and show the direction for industry development.

揭示了过共晶铝硅合金(Si≥20％)的成分、组织和性能之间的内在关系，为研制新型的过共晶铝硅合金提供理论依据和工业应用方向。

The novel chemistry is described for the isomorphous substitution of amorphous or framework silicon atoms in zeolite itself for aluminum atom in the framework of zeolite.

我们发现在适当的反应条件下，骨架铝的脱出与外界硅原子的取代几乎同时进行，避免了分子筛晶体结构破坏，得到富硅骨架八面沸石分子筛。

The high Titania bearing blast furnace slag and NaOH may directly respond under the high temperature, then soak the eutectic slag to dissolve the dissoluble sodium salt. When the responded temperature is 1250℃, the lixiviation rate of Ti, Si, Al are higher; but the the lixiviation rate of Ti, Si, Al are very less, especially the lixiviation rate of Ti less than 10%.

采用分离剂NaOH与高钛型高炉渣在高温下直接反应，然后浸取，碱熔温度在1250℃时，钛、硅、铝都有较高的浸出率；碱熔温度为1000℃时，钛、硅、铝的浸出率明显降低，尤其是高钛型高炉渣中钛的浸出率低于10%。

Moreover, it takes three years or so to get a new plant going, so new silicon supplies are only just beginning to materialise.

此外，建设一个新的硅厂正常运转起来大约需要3年的时间，所以，新的硅供应才刚刚开始落实。

The ironrich and silicapoor liquids, commonly different from the low iron and silicarich liquids, are rare on the earth surface. There are not the same, which can be used to explain their petrogenesis at present.

在自然界中与普遍发育的具Bowen趋势的低铁富硅熔体不同，高铁贫硅岩浆非常罕见，也没有直接的现代类比物可以对比以解释其岩石成因。

The molding and application properties of two kinds of highly lubricating polyoxymethylene materials, which were filled with polytetrafluoroethylene, Silicone oil and with PTFE, Pumbum powder, were studied systematically and overall in the article.

本论文较系统、全面地研究了POM／PTFE／硅油和POM／PTFE／铅粉两种高润滑POM材料的加工和使用性能，考察了POM、PTFE、硅油、铅粉等品种及用量对共混或复合材料流变特性和热稳定性、摩擦磨耗特性和力学性能的影响，探讨了这两种高润滑POM材料的润滑减磨机理。

By using three broad distribution standards of polytitanocarbosilane whose number average molecular weights are determined by VPO, the calibration equation of gel permeation chromatography of the preceramic polymer polytitanocarbosilane which generally haslow average molecular weight and high branching degree was established as follows: ln M=

采用以气相渗透法测定了数均分子量的宽分布含钛聚碳硅烷作标样，通过计算机辅助建立了具有较低分子量和较高支化度的陶瓷先驱体聚合物——含钛聚碳硅烷的凝胶渗透色谱校准方程lnM＝20.9－0.843T。

The influence of the silane chain-segment on the reaction state, particle size and viscosity of product was discussed.

采用自乳化法合成了一种含有硅烷链段的水性聚氨酯整理剂，探讨了硅烷链段对水性聚氨酯剂的反应状态、产物粒径、粘度等的影响。

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。