硅

The annual production of Silica brick will be 25 thousands Ton, Silica sand is 20 thousands Ton, high-pure Silica sand is 2000 Ton.

项目建成投产后，年产硅砖2.5万吨，硅砂2万吨，高纯硅砂2000吨。

For reducing cost purpose some glass factories employ mineral oil instead of silicone oil , which deteriorates the sealing behavior of insulating glass unit and bring a lot of damage to insulating glass unit .

密封胶中一般使用硅油作为润滑剂和增塑剂，有些厂家为了降低成本，使用矿物油代替硅油，由此，降低了中空玻璃的密封性能，并给中空玻璃带来了诸多危害。

An intermediate oil type hydrocracking catalyst has carrier prepared from amorphous aluminosilicon, alumina, assistant phosphorus, adhesive and extruding aid through mixing, shaping, drying, and then hydrothermal treating, and contains the oxides of metals in families VIB and VIII, and phosphorus.

本发明涉及一种中油型加氢裂化催化剂及其制备方法，催化剂所用载体为无定形硅铝、氧化铝和助剂磷。无定形载体是将无定形硅铝、氧化铝、助剂、粘合剂和助挤剂混合、成型、干燥后进一步水热处理而制得的。

The present invention relates to one kind Si-Fe double-phase pelletizing agent for Si-Al alloy series and its pelletizing method.

本发明涉及一种硅铝合金系列中硅铁双相团化剂及团化方法。

Using SEM-EDX for observing the silicon deposition on leaf epidermal surfaces demonstrated that deposition density of silicon were different on leaf surfaces with the different silicon compounds was different, and effects of these compounds on wax layer also were different.

借助扫描电镜和X—射线能谱观察发现，不同硅源制剂叶面处理小麦后，硅素在叶表的沉积疏密度有一定的差异，同时对叶表的蜡质层影响大小也不同。

We have observed the structure of these dune sands and analyzed the grain-size,surface textural features and several main chemical elements of them,the results showed that:(1) these dune sands have some eolian structure characteristics which are similar to the recent dune sands;(2) they are also similar to the recent dune sands in grain-size components,and parameters of Mz,?滓,Sk and Kg,as well as in several main chemical components;(3) the scatter plots of Mz-?滓,SiO2-Al2O3+TOFE and the probability curves of grain-size showed that these paleo dune sands are different from paleosols and fluvio-lacustrine facies but are consistency with recent dune sands;and(4) the quartz sands have well roundness and some surface textural features such as dish-shape pits,crescent-shape pits,pockmarked pits,upturned cleavage plates,siliceous precipitates and siliceous crevasses,indicating that they had been carried for a long time by the wind.

对这些沙丘砂的沉积构造观察以及粒度、扫描电镜和常量化学元素分析结果表明：(1)这些沙丘砂具有与现代沙丘砂相似的风成沉积构造特征；(2)粒度及其参数--Mz、σ、Sk和Kg，以及主要化学组分SiO2、Al2O3和TOFE也与现代沙丘砂相近；(3)Mz-σ、SiO2-Al2O3+TOFE散点图和概率累积曲线显示这些沙丘砂与萨拉乌苏组中的河湖相、古土壤差别明显，而与现代沙丘砂一致；(4)石英砂颗粒具有良好的磨圆以及碟形坑、新月形坑、麻坑、上翻解理薄片、硅质沉淀和硅质裂纹等表面结构特征，反映其曾受持久的风力搬运作用。

With the development of investment casting, the stringent strength and quick-drying ability of silica sol shell is required. so it is necessary to develop rapid-drying and enhanced silica sol.

随着熔模铸造的不断发展，市场对硅溶胶型壳的强度及快干性能提出了更高的要求，发展快干增强硅溶胶成为必然趋势。

Compared to the co-processed bulk-Si MOSFETs at room temperature, a significant low vertical field mobility enhancement of about 85% is observed in the strained-Si devices.

相对于同一流程的体硅MOSFET，室温下观测到应变硅器件中电子的低场迁移率显著增强，约为85%。

Under proper conditions TES protecting groups could be selectively cleaved in high yields without affecting TBS groups.

在TBS硅醚存在的情况下可以选择性脱除TES硅醚保护。

Fused silica is an excellent glass but expensive because of pure silica's very high melting point.

熔硅玻璃是极佳的玻璃，但由于纯硅的熔点很高，所以制造费用昂贵。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐