二氧化硅

The relationship between the intensities of surface enhanced Raman spectroscopic bands and the thickness of SiO2 was determined by employing thiophenol as the probe molecule.

以苯硫酚为探针分子研究了核壳结构纳米粒子的表面增强拉曼散射效应与二氧化硅壳层厚度之间的关系。

The acid hydrolysis process during synthesizing silica materials with natural wollastonite, which is of a triclinic cell, was investigated with XRD and chemical analysis methods.

采用 XRD和化学分析方法研究了三斜晶系普通硅灰石制备二氧化硅材料中的酸解过程。

The ash from open-field burning or from non-controlled combustion in industrial furnaces usually contains a higher proportion of non-reactive silica minerals such as cristobalite and tridymite.

由开阔场地燃烧或在工业炉中不加控制地燃烧得到的灰通常含有较高比例的非反应性二氧化硅矿物质。

The ash from open-field burning or from non-controlled combustion in industrial furnaces usually contains a higher proportion of non-reactive silica minerals such as cristobalite and tridymite, and it should be ground to very fine particles to develop pozzolanic activity.

由开阔场地燃烧或在工业炉中不加控制地燃烧得到的灰通常含有较高比例的非反应性二氧化硅矿物质，例如方石英和鳞石英，而且，要发展火山灰活性，它应该被研磨成很细的颗粒。

The TiO2particles are anatase crystal form with 10-20 nm in diameter, and the SiO2 particlesare uncrystallized. The TiO2 nanoparticles have good photocatalysis degradationproperties, and the kinetics is the first-order to methylene blue.

二氧化钛粒子为锐钛矿晶型，直径10-20nm，但二氧化硅粒子不呈晶态；制备的二氧化钛纳米粒子具有很好的光催化活性，对亚甲基蓝光催化降解符合一级反应动力学方程规律。

Enamel is a high silica content of the vitreous enamel coating on the metal surface, many times at 900 high temperature sintering to form a dense metal surfaces in the vitreous glaze, which has a metal strength and excellent corrosion resistance and electrical properties.

搪瓷是将高二氧化硅含量的釉瓷喷涂于金属表面，经900℃高温多次烧成，使之形成密着于金属表面的玻璃质釉，而具有金属的强度和优良的耐腐蚀及电性能。

There is also a product known as 'Fango Mud' which is a form of silica aspirin taken from fresh volcanic ash that can be added to your bath.

也有叫"治疗矿泥"的产品，是一种从火山灰里提炼出来的二氧化硅镇痛药剂的形体，能被加入到你的沐浴里。

This the windowpane can absorb sunlight and store heat.

本文介绍的"稀土窗玻璃"是由稀土元素和二氧化硅组成，它可以吸收太阳光和贮存热能。

"The smallest particles do the most damage, killing macrophages that engulf them in the pulmonary alveoli."

最小的二氧化硅颗粒往往会对把微粒吸入肺泡的巨噬细胞造成最大的伤害。

Atactic polystyrene of larger molecular weight and narrower molecular weight distribution is prepared compared with the bulk polymer obtained outside the template.

以二氧化硅胶体晶为模板制备了无机/有机聚合物有序杂化体和聚合物孔材料，研究了聚合物在亚微尺度受限状态下的形成和性质。

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％。