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Keywords silica xerogel;preparation;pore structure; 二氧化硅干凝胶;制备;孔结构;
Keywords silica xerogel;silica acrogel;three-unit nitrogen adsorption apparatus;BET surface area;pore size distribution; 干凝硅胶;气凝硅胶;三元氮吸附装置;BET比表面;孔大小分布;
Keywords nickle tetrasulfo_phthalocyanine;silica xerogel composite;ultraviolet_visual absorption spectra;optical limiting effect; 四磺酸酞菁镍;复合干凝胶;紫外-可见吸收光谱;光限幅性能;
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。
Keywords silica powder;pycnometer;true density; 硅微粉;比重瓶;真密度;
Keywords silica aerogel;waterglass;sol-gel; 2气凝胶;水玻璃;溶胶凝胶;
Keywords silica coke;reductant;silicomanganese; 硅石焦;还原剂;硅锰合金;
Keywords silica;flatting agent;organic treatment; 二氧化硅;消光剂;有机处理;
Keywords silica stone;ridymite;crystobalite; 硅质结石;鳞石英;方石英;
Keywords Silica sol Gelling course; 硅溶胶;凝胶化过程;
Keywords silica;flatting agents;furniture paint; 二氧化硅;消光剂;家具漆;
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。
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. 摘要以氢氟酸(HF)为催化剂，采用常压乾燥法制备了二氧化矽乾凝胶，分析了催化剂和乾燥条件对干凝胶的影响。
Keywords silica dioxide;matting;leather finishing; 二氧化硅;消光;皮革涂饰;
Keywords silica;aerogel;electron spectrum;ab initio;size effect; 二氧化硅;气凝胶;电子能谱;从头算;尺寸效应;
Keywords silica;polyethyleneglycol;PLA;hydrophilic thin film; 聚乙二醇;聚乳酸;亲水薄膜;
silica xerogel 二氧化硅干凝胶
Keywords Silica fume cement;FDN addition;water-solid ratio; 硅灰水泥;FDN外加剂;水灰比;
Keywords silica;\ wet hot air;\ dry hot air;\ deacidification; 白炭黑;湿热空气;干热空气;脱酸工艺;
Keywords silica raw materials;xonotlite;zirconium oxychloride; 硅质原料;硬硅钙石;氧氯化锆;