Through orthogonal experiment,the influence of correlative parameters including NaOH concentration,material ratio(NaOH to rice hull ash in weight),reaction time and reaction temperature on the deliquescent rate of SiO_2 and modulus of water glass was studied.
采用正交试验设计,研究NaOH溶液质量分数、物料比(NaOH溶液与稻壳灰的质量比)、反应时间和反应温度对S iO2溶出率和水玻璃模数的影响。
Present Situation on CO_2-hardening High-modulus Water-glass Sand at Home and Abroad;
CO_2-高模数水玻璃砂国内外发展现状
Using microwave heating to cure water-glass sands , the i nfluence of water-glass amount, microwave heating time and power of microvave h eating on the bonding strength of water-glass sands was measured and analyzed .
采用微波加热技术硬化水玻璃砂 ,系统测试并分析了水玻璃加入量、微波加热时间和加热功率对砂芯强度的影响规律。
A New Technology of Mixed Binder-Sodium Silicate Compound Mold Shell for Investment Casting;
混合粘结剂-水玻璃复合型壳精密铸造新工艺
Application of Sodium Silicate Binder with Na_2HPO_4 Modifier to Investment Casting;
磷酸氢二钠改性水玻璃在熔模铸造中的应用
Preparation of sodium silicate from high temperature alkali dissolution of pearlite;
珍珠岩高温碱溶制取水玻璃
Characteristics of gelation process of H_2SO_4-waterglass system;
硫酸-水玻璃体系的成胶特点
Ambient pressure synthesize silica porous materials with waterglass;
水玻璃常压制备多孔材料
A Study on Waterglass Ageing Mechanism by the Use of TMS-GC Method;
三甲基硅烷化-气相色谱法研究水玻璃老化机制
A progress of designing and making about the device that is used for curing sodium silicate sand by blowing carbon dioxide was introduced.
介绍了一种CO2水玻璃砂吹气硬化装置的设计思路、制造特点和应用效果。
1×10-7x3,As a result, the problem of poor collapsibility of sodium silicate sand used for thick wall steel castings has been more effectively and reasonably so.
1×10-7x3,使厚壁件水玻璃砂溃散性差的问题得到了更合理有效的解决。
Synthesis of zeolite T using water glass and aluminium sulfate as raw materials;
以水玻璃和硫酸铝为原料合成T型沸石的研究
Synthesis of zeolites ZSM-5 by using water glass;
以水玻璃为硅源合成ZSM-5沸石分子筛
Study on preparation of SiO_2/NR composite using water glass;
工业水玻璃制备SiO_2/NR复合材料的研究