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There is a protective coating of silicon dioxide on the silicon carbide. 在棒的表面有一层二氧化硅保护涂层。
The method is to coat a wafer of silicon with a protective layer of silicon dioxide. 其方法是往硅片上涂上一层二氧化硅防护膜。
The lithographic and etching process for a membrane creates a mesh of metal wires with silicon dioxide filling the space between them. 薄膜先以微影及蚀刻制程制作出金属线路，线路之间则填入二氧化矽。
The principle and the main parameters of the dry etching for silicon dioxide are introduced. 摘要阐述了二氧化矽干法蚀刻的原理和主要的蚀刻参数。
The hydrated silicon dioxide with three layers structure of micron-submicron-millimicron was observed through TEM. 通过电镜实验,观察到水合二氧化硅具有微米亚微米纳米三次结构。
Other Ingredients: gelatin (capsule), dibasic calcium phosphate, and colloidal silicon dioxide. 其它成份: 明胶(胶囊), 二元钙磷酸盐, 和胶质二氧化硅。
Organosilicon deformer is obtained from dimethyl-silicon oil and silicon dioxide through teat of orthogonal design. 摘要采用正交设计实验法以二甲基硅油及二氧化硅为主要原料制备了有机硅消泡剂。
Silica sol is a kind of colloid solution well dispersing corpuscles of silicon dioxide in water. 硅溶胶是二氧化硅的微粒分散于水中的胶体溶液。
Silicon Dioxide is obtained by insolubilizing the dissolved silica in sodium silicate solution. 二氧化硅是通过将在硅酸钠溶液中已溶解的硅固化而得。
The solution is to use something other than the usual silicon dioxide to insulate the gate. 解决之道是用二氧化矽以外的材料来做为闸极的绝缘体。
Hydrated silicon dioxide with such three layers structure has good transparence and is easily crashed and dispersed. 具有此三次结构的水合二氧化硅透明性好,易被破碎、分散。
Other Ingredients: Dibasic calcium phosphate, microcrystalline cellulose, sorbitol, stearic acid, colloidal silicon dioxide and magnesium stearate. 其他成分：山梨醇、甘露醇、胶体二氧化硅、硬脂酸和硬酸镁。
Microcrystal mordenite was synthesized using self-prepared silicon dioxide as the silicon source and sodium aluminate as the aluminum source. 以自制二氧化硅为硅源、市售偏铝酸钠为铝源合成丝光沸石。
Other Ingredients: gelatin (capsule), dibasic calcium phosphate, microcrystalline cellulose, colloidal silicon dioxide, and magnesium stearate. 其他成分：明胶（胶囊），双磷酸钙，微晶纤维素，胶体二氧化矽和硬脂酸镁。
The mothed of quantitative analysis of silicon dioxide with silico-fluoride natrium volumetry is introduled and conditions are chosen. 主要介绍了用硅氟酸钠容量分析法测定二氧化硅含量的方法，并进行了测量条件的选择。
Other Ingredients: Sorbitol, mannitol, modified cellulose gum, colloidal silicon dioxide, stearic acid, and magnesium stearate. 其他成份：山梨醇、甘露醇、胶体二氧化硅、硬脂酸和硬酸镁。
Other Ingredients: dibasic calcium phosphate, colloidal silicon dioxide, fiber, magnesium stearate, modified cellulose gum and stearic acid. 其它成份: 二元钙磷酸盐、胶质二氧化硅、纤维、镁硬脂酸盐、修改过的纤维素胶和硬脂酸。
The influence of chamber pressure,gas flow rate and RF power on micro loading effect in reactive ion etch of silicon dioxide is researched. 结果表明,通过对反应室压力、刻蚀气体流量和射频功率的调节,可以降低微负载效应的影响,得到良好的刻蚀均匀性。
ABSTRACT In this study, we have in-situ prepared porous Si3N4 ceramics with high porosity using carbothermal reduction of silicon dioxide. 摘要本课题成功地使用二氧化硅的碳热还原反应原位制备出具有高气孔率的多孔氮化硅陶瓷。
Ammonium hydrocarbonate is reacted with fluosilic acid,a nd obtained the silicon dioxide precipitation and the ammonium fluoride solution. 碳酸氢铵与氟硅酸反应,生成二氧化硅沉淀和氟化铵溶液;