查询词典 sodium silicate

The development of technologies and materials on new easy collapsibility modified sodium silicate sand were studied.

介绍了水玻璃砂工艺研究取得的最新进展，研制的新型改性水玻璃是一种无机和有机相复合的铸造粘结剂，具有常温强度高、残留强度低、抗吸湿性好等优点。

The property characteristics of new generation of ester-hardened sodium silicate sand was introduced, and the factors influencing the atmospheric temperature strength and collapsibility of.

笔者介绍了新型酯硬化水玻璃砂的性能特点，就酯硬化改性水玻璃砂常温强度和溃散性的影响因素与改进方法进行了试验研究和探讨。

Combining ion exchange process and silicon hydrolyze process Silicon dioxide mother nuclide with a specific particle size was prepared from sodium silicate through the dropwise technique , then the large particle size , high concentration and stable silica sol was prepared . The stability of silica sol also can be improved by enwrap .

和"单质硅一步溶解法"相结合的方法，用离子交换法制备晶种，并采用滴加工艺制备一定粒径大小的二氧化硅作为母核，在催化剂和分散剂共同作用下水解单质硅的方法使二氧化硅母核颗粒进一步增长成大粒径的二氧化硅颗粒，并另外还采用水溶性高分子对纳米SiO_2粒子进行"原位表面包覆"提高其稳定性，制备了大粒径，高浓度，稳定的纳米硅溶胶。

A thermal expansivity test device consisting of hating unit, attemperating unit, displacement transducer, recorder and so on, was developed to determine the thermal expansivity of new sand, clay-beaded sand, sodium silicate sand, resin bonded sand with th

摘要铸造用砂热膨胀性测试装置，由加热装置、温控装置、移位传感器、记录仪等组成，可实现铸造用原砂（亦可用于粘土型砂、水玻璃型砂、树脂型砂等）的随温和等温热膨胀性测试。

A thermal expansivity test device consisting of hating unit, attemperating unit, displacement transducer, recorder and so on, was developed to determine the thermal expansivity of new sand, clay-beaded sand, sodium silicate sand, resin bonded sand with the temperature or isothermally.

摘要铸造用砂热膨胀性测试装置，由加热装置、温控装置、移位传感器、记录仪等组成，可实现铸造用原砂（亦可用于粘土型砂、水玻璃型砂、树脂型砂等）的随温和等温热膨胀性测试。

In this paper,the influence of various process parameters on properties of sodium silicate bonded sand cured by CO2-Na2SiF6 hardener through right-angle test was studied.

通过正交试验，研究了各种工艺因素对CO2-Na2SiF6联合硬化水玻璃砂性能的影响。

Effect of stoving temperature and improvable sodium silicate on the behavior of moisture absorption of coating is studied.

通过试验研究了改进水玻璃及焊条烘焙温度对焊条药皮吸潮行为的影响。

Effect of salinity,sodium silicate,mixed alkaline,promoters and polymer on dynamic interfacial tension were studied.

考察盐、碱、助剂、聚合物对表面活性剂的动态界面张力的影响。

Inorganic binders are ceramics, magnesite and sodium silicate, etc.; organic with resin, rubber and shellac, etc..

无机结合剂有陶瓷、菱苦土和硅酸钠等；有机的有树脂、橡胶和虫胶等。

High performance grouting material; two-shot grouting; sodium-silicate suspension; steel slag; salic material

论文导师胡曙光，论文学位博士，论文专业建筑材料与工程

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。