Study of Step-Leaching of Silica and Alumina in Resourcelization Utilization of Fly Ash by Means of Alkalescence Meduim;
粉煤灰资源化利用中碱溶法溶出硅铝研究
The results of experiment show that stable silica-alumina gel was formed by controlling the value of pH<3.
本文以铝胶和硅胶为原料,采用溶胶-凝胶方法进行了硅铝凝胶形成及晶化行为研究。
The dry sliding wear behaviour of the silumin and its composites were investigated.
探讨了高硅铝合金及其原位复合材料的干滑动磨损行为,并对其磨损表面和亚表面形貌进行了观察和分析。
Investigation on the edge grinding quality and geometry parameters of polycrystalline diamond tools for turning silicon-aluminum alloy pistons;
车削硅铝合金活塞的PCD刀具刃磨及几何参数
In order to effectively utilize the ascharite minerals, which contain high MgO and low SiO2, in Kuandian region in Liaoning Province, the paper studies the vacuum-thermal reduction of ascharite with aluminum powder and silicon-aluminum alloy powder as reductants.
为使辽宁省宽甸地区具有代表性的高镁低硅型硼镁石矿得到科学、合理的利用,本试验首次利用真空热还原法来分离这种矿,分别采用铝粉和硅铝合金粉为还原剂,运用正交法,研究在不同的还原温度、时间和制团压力等条件下镁的还原率。
In order to utilize effectively the ascharite mineral which contain low grade B2O3,the vacuum-thermal reduction of roasted ascharite to deoxygenize magnesia into magnesium with silicon-aluminum alloy as reductant was experimentally investigated.
为了解决低品位硼镁石矿的合理利用问题,首次以硅铝合金为还原剂,应用真空热法还原原理将煅烧后矿石中的游离氧化镁还原为金属镁。
In this study,zeolite catalysts,in which HY zeolite was used as active component and alumina gel,silica-alumina gel and titania-alumina gel as binders,were prepared for removal of trace olefin in aromatics.
本研究以铝胶、硅铝胶及钛铝胶为粘合剂,以HY分子筛为主要活性组分制备了芳烃脱烯烃分子筛催化剂。