silica content

The secondary mullite increases and silica reduces with the increase in the content of nepheline.

通过显微结构分析,随霞石替代长石量的增加,二次莫来石相增多,残余石英相减少.

350 m3 blast furnace is analyzed systemically by using six sigma management tools. The essential reasons of influencing pig iron silica content are found out. They are coal ratio, material charge, furnace top pressure, coke ash and charging system.

利用六西格玛管理提供的工具，对铸管公司1350m3高炉的生铁含硅量进行了系统分析，找出了影响生铁含硅量的根本原因是煤比、料批、炉顶压力、焦炭灰分及料制。

Polyimide/ silica nano-hybrid films of different solid content were prepared via the sol-gel route using tetraethoxysilane ( TEOS) as inorganic precursor.

利用正硅酸乙酯（TEOS）做为无机前驱体，采用溶胶-凝胶（Sol Gel）法，制备了SiO2含量一定，固体含量不同的聚酰亚胺/二氧化硅（PI/SiO2）纳米杂化薄膜。

Methods: According to" hazardous substances in workplace air monitoring, sampling rule ( GBZ 159-2004)" in the workplace air concentrations of total dust and free silica content monitoring.

方法：依据《作业场所空气中有害物质监测的采样规范（GBZ159-2004）》对工作场所空气中总粉尘浓度和游离二氧化硅含量进行监测。

A series of poly ( vinyl alcohol)/ silica ( PVA/ SiO 2) transparent hybrid films with different silica content were obtained through the sol gel process using tetraethoxysilane ( TEOS).

以聚乙烯醇（PVA）和正硅酸乙酯（TEOS）为原料，通过溶胶-凝胶（Sol-Gel）方法，制备出不同二氧化硅含量的聚乙烯醇/二氧化硅（PVA/SiO2）共混均质膜。

Experimental results show that such influencing factors as the reduction temperature of silica, SiO2 content brought by coke, basicity of slag and MgO content in it, reduction time and contact surface area are of importance to the reduction of silica.

研究表明，温度、焦炭中SiO2量、炉渣碱度及其MgO含量、还原时间、接触面积是影响硅还原的重要因素。

The results showed While the chitosan content is40%, we obtained a uniform distribution of silica spheres composite film. With the increase of chitosan content, membrane hydrophilic abates.

结果表明，在壳聚糖含量为40%时，可得到二氧化硅微粒均匀分布的复合膜材料，且随着壳聚糖含量的增大，膜的亲水性减弱。

A fast quantitative determination method of silica content in paper making industry

造纸工业黑液和纸浆快速测定硅含量的新方法

When silica was compounded with traditional filler, the ash content and optical properties were also obviously improved.

白炭黑与GCC或滑石粉复配时，也可明显提高手抄片的灰分和光学性质。

With increasing of silica content, fiber diameter became fine and spindly beads increased.

随着二氧化硅含量的增加, 纤维直径变细,纺锤形珠节结构增多.

With increasing of silica content, fibers diameter became fine and spindly beads increased.

随着二氧化硅含量的增加, 直径变细,纺锤形珠节结构增加.

The new method of analysising the content of silica in talc

滑石中二氧化硅含量测定的新方法