二氧化硅

CaO and kaolin were mixed with SiO_2 and then sintered according to /[SiO_2] mole ratio 1 or 2,respectively.The components and reaction rates of the sinters were detected and then leached in NaOH Na_2CO_3 NaAlO_2 solutions to know the reaction properties.

研究了氧化钙和高岭土以/[SiO_2]摩尔比1和2分别和二氧化硅混合烧结时烧结料的组成和烧结反应率，并将烧结料用NaOH、Na_2CO_3、NaAl_4溶液进行溶出，考查其反应特性。

Silicon, naturally occurring in the form of silica and silicates, is the most important semiconductor for the electronics industry

在自然界从硅酸盐和二氧化硅形式存在的硅是电子工业中最重要的半导体原材料。

It has been found that the colour of red iron oxide s in ceramics is affected by sintering temperature and the compositions of the ceramics.

本文考察了烧成温度、陶瓷坯体中常见氧化物，以及二氧化硅包裹对铁红呈色稳定性的影响。

The results demonstrate that X-ray powder diffraction technique and the Rietveld refinement method for measuring the percentage composition of free silicon dioxide in dust and other phases are accurate and have a better precision.

实验结果表明用Rietveld全谱图拟合法来测定粉尘中游离二氧化硅及其它物相的含量准确度较高，重现性较好，是一种较好的定量分析方法。

A dichroic interference filter is interposed between the two prism elements and is disposed at an angle of 221/2 to an input face on the first glass prism element.

将一块二向色干涉滤光片介入两个棱镜中，并使它倾向于第一面棱镜投入面的221 ~222 角之间。干涉滤光片是由含有二氧化硅和二氧化钛的沉积候补层制成的。

Qichun set Dashiqiao lots for the main production base his own plant products, ore resources area of 6.5 square kilometers, has proven reserves of high-quality quartz stone in a few as much as 1 million tons, the China Geological Department of the Chinese Academy of Sciences recognized, the mining area of quartz quarry products resources silica content, among the best in the country, China is a fine texture of natural resources and quartz ore.

蕲春盘石桥地段为本厂产品主要生产基地，矿石资源面积6.5平方公里，已探明优质石英石储量在数百万吨之多，经中国中科院地质部的认可，该矿区的石英石矿产品资源二氧化硅的含量，在国内名列前茅，属中国质地优良的天然石英矿石资源地。

The data provides which after the geological department reconnaissance and the mineral resource department, in which is putting down the Pingan and Yanjia hometown area, the ore quality is pure, achieves the national quartz sand minerals mining standard.

经地质部门勘查及矿产资源部门提供的数据，其中探明矿产分布在平安乡、闫家乡一带，二氧化硅含量高，品质纯正，储藏量较大，易开采，达到国家石英砂矿产开采标准。

The effect of alcohol in the stabilization of silicomolybdic yellow and silicomolybdic blue,and other fit conditions were studied.The work curve of the content of silica in sodium silicate was established.

文摘：研究了乙醇作为稳定剂对硅钼黄及硅钼蓝络合物生成的稳定性影响，以及温度、酸度等其它适宜条件，建立了水玻璃中二氧化硅含量工作曲线。

The silicon dioxide was found in the Matrix region of cell wall of wood for silicon dioxide/wood composite.

构筑了二氧化硅进入木材细胞壁的超微构造图，介入Matrix区域。

The ancient times's trees bedding bag submerged including the silicon dioxide water, in the wood cell by the quartz family's chalcedony, the opal and so on is replaced, although therefore was also retaining the wood outward appearance, but materially already was 100% stones.

古代的树木被包含二氧化硅的水所淹没，木头里的细胞被石英家族的石髓、蛋白石等所置换，所以虽然还保留着木头的外观，但实质上已经是百分之百的石头了。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。