二氧化硅

Large fires may produce heavy clouds of silicon dioxide.

大火会产生二氧化硅的浓烟。

Silicon dioxide etching processes with high selectivity to Polysilicon and single crystal silicon are required to fabricate contact structures.

高选择性的二氧化硅对单晶硅及多晶硅的干法腐蚀工艺在半导体加工领域占有重要地位。

The size of silicon dioxide also increased with increasing temperature and stirring intensity, but with a less extent.

二氧化硅形成过程可分为水解和缩合两步，其中水解是关键步骤。

Silicon Dioxide is considered a respiratory hazard.

二氧化硅是一种呼吸系统的危害。

There is a protectivecoating of silicon dioxide on the silicon carbide.

在硅碳棒表面有一层二氧化硅保护涂层。

Water containing a variety of minerals and organic substances, lime, sodium carbonate and silica, aluminum oxide, sodium oxide, sulfur, sodium and other minerals.

水内含 多种矿物质和有机物质，有石灰、碳酸钠、二氧化硅、三氧化二铝、氧化钠、硫磺、硫酸钠等多种矿物质。

The best technology parameters are studied in the production of precipitated silicon dioxide,light magne sium oxide and by-products of sodium sulfate and iron oxide red from the asbestos tailings in a wet method.

探讨了以石棉尾矿为原料，采用湿法生产沉淀二氧化硅和轻质氧化镁，副产硫酸钠、氧化铁红等化工原料的最佳工艺参数，充分利用了陕西省的矿产资源，解决了石棉尾矿的环境污染问题。

Sodium silicate is an important additive in paper recycling, the modulus of sodium silicate plays an important role in its application.

硅酸钠是一种重要的脱墨助剂，而硅酸钠的模数(产物内的二氧化硅与氧化钠的摩尔数比值)对脱墨过程有重要的作用。

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 polymerization of sodium silicate and gel condensation of silicon dioxide are accelerated by using the firming agent.

用固化剂促进水玻璃的聚合和二氧化硅凝胶的缩合，拼用苯丙乳液作为辅助成膜物质。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。