the dry vibrating material is prepared with magnesite or forsterite in 85-97 wt% and sodium metasilicate in 3-15 wt%, and through mixing, vibration forming, stoving at 100-400 deg. c and demolding.

其技术方案是：按重量百 分含量将85～97％的镁砂或镁橄榄石与3～15％的偏硅酸钠混合，搅拌均匀后采用胎膜振动成型，在100～400℃烘烤，脱模得到中间包干式振动料。

the preparation of sodium metasilicate pentahydrate using aqueous crystallization method is studied.

对采用溶液结晶法制取五水偏硅酸钠进行了研究。

the shandong lianchuang chemical limited company is the domestic main sodium metasilicate manufacturer, year to year devotes to the sodium metasilicate research and development production.

沂水联创化学有限公司是国内主要的偏硅酸钠生产厂家，常年致力于偏硅酸钠的研发生产。

project survey: sodium metasilicate is the wash detergent newly developed by foreign countries and the project has the largest potential.

项目概况：偏硅酸钠是国外新开发的洗涤助剂，是最具潜力的产品类型。

silicon oxide nanoparticle are prepared by chemical precipitation process, with sodium metasilicate and hydrochloric acid as raw material.

以工业硅酸钠和盐酸为原料，采用化学沉淀法制备出纳米二氧化硅。

the present market of sodium metasilicate pentahydrate was outlined, and then the experimental technique of preparing sodium metasilicate pentahydrate from the waste silica gel was introduced.

概述了五水偏硅酸钠的市场现状，介绍了以废硅胶为原料生产五水偏硅酸钠的实验方法。