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- The progress of synthesis of silica alumina catalysts with the range of the pore diameter increases from micropore to mesopore and the application of sol\|gel method are reviewed. 本文综述了硅铝催化材料合成方面的最新进展即所合成的催化剂的孔径从微孔向中孔发展以及利用以溶胶-凝胶法为代表的新制备技术。
- THE EFFECT OF ZEOLITE STRUCTURE AND SILICA ALUMINA RATIO ON ETHYLENE SELECTIVITY IN FCC 分子筛孔结构和硅铝比对催化裂化产品中乙烯选择性的影响
- SYNTHESIS AND CATALYTIC CRACKING PERFORMANCE OF ZSM-5 ZEOLITES WITH HIGH SILICA ALUMINA RATIO 高硅铝比ZSM-5分子筛的合成及催化裂化性能研究
- Keywords silica alumina ferro alloy ore heating mode deoxidation absorption rate; 关键词硅铝铁合金;矿热法;脱氧;铝吸收率;
- alumina xerogels 氧化铝干凝胶
- silica alumina ratio 硅铝比,硅铝率
- The performance of heat treated silica xerogels were investigated by means of DTA-TG,IR,BET. 通过DTA-TG,IR,BET等测试手段对经热处理的二氧化硅干凝胶的性能进行了研究。
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- A new type of alumina ceramic passed this test. 一种新型氧化铝管通过了这个测试。
- Containing little silica, as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- Zibo Asahi Glass Alumina Materials Co., Ltd. 淄博旭硝子刚玉材料有限公司。
- It is a compound of aluminum, silica, and fluorine. 它是铝、硅和氟的化合物。
- Containing or yielding aluminum, alumina, or alum. 含铝的；产铝的含有或出产铝、氧化铝或明矾的
- Containing little silica,as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- Silica is a basic unit in many ceramics. 硅是一种基本的陶瓷制品。
- Hydrophobic silica is the active antifoam agent. 憎水性硅石是一种有效的防泡剂。
- This dissertation deals with surface modification of inorganic nano-particles(nanometer silica, alumina and titania). 本论文主要研究无机纳米粒子(纳米氧化硅、氧化铝和氧化钛)的表面接枝改性。
- Soil that is rich in iron, alumina, or silica and formed in tropical woodlands under very humid climate with relatively high temperature. 砖红壤富含铁质矾土或二氧化硅的土壤，分布于气候湿润、具有相对高温的热带林区
- The silica xerogels were synthesized by ambient pressure drying method with hydrofluoric acid(HF) as catalyzer.The influence of catalyzer and drying method on the xerogels were analyzed. 以氢氟酸(HF)为催化剂,采用常压干燥法制备了二氧化硅干凝胶,分析了催化剂和干燥条件对干凝胶的影响。
- Beneficiation removes clay and silica to considerable extent. 富集操作除去粘土和硅石达到相当高的程度。
