硅的

Structures and electrical properties of boron and aluminum; the structures and electrical

各项的相同点和不同点：硼和铝的结构和电学性质；碳和硅的结构和电学性

The preliminary experiment in air shows that the radiation reflectivity is not more than 20% at the wavelength range of 500~2400 nm.

对空气中微构造硅的辐射反射的初步研究表明，在500~2400nm范围内的光辐射反射率不高于20%。

Physical properties of the nanocomposites were characterized by tensile tests, dynamic mechanical analysis and differential scanning calorimetry .

二、通过在粘土片层间组装有机硅的办法合成了一种全新的有机-无机杂化结构的中孔粘土材料。

In the world, monochloro methane as the original material of organic silicon, and trifluoro methane as the original material of fluoride intermediate develop very rapidly.

在世界范围内，一氯甲烷作为有机硅的原料、三氯甲烷作为氟化合物中间体的原料，呈现快速增长的趋势。

The experiments show that too high cooling rate disadvantages the formation of spherical primary crystals, while higher mechanical stirring strength is necessary to spheroidize and homogenize the primary crystals.

较高的搅拌强度可以有效地减小初晶硅的尺寸，并使之边角钝化和均匀化；但当冷却速率太大时，由于搅拌时间缩短，则不利于球形初生相颗粒的生成。

At present, in order to meet the technological requirements of producing alumina by Bayer process, flotation is widely used in removing the silicate gangue minerals in bauxite.

目前广泛采用浮选脱硅的方法脱除其中的硅酸盐脉石矿物，以适应拜耳法生产氧化铝的工艺要求。

The results of testing show that the silicon (111) crystal plane is very smoothing by etching method.

测试结果表明，利用腐蚀方法得到的硅的(111)晶面周期结构平整光滑。

The results demonstrate that the DO obstructs the silica etching but facilitates the silicon etching in ammonium fluoride solution.

结果表明溶解氧阻碍二氧化硅在氟化铵溶液中的腐蚀、而加快硅的腐蚀。

The practice is introduced for refin ing industrial grade silicon by oxygen injection to the bottom of two-man ladle through self-making s pray nozzle system.

介绍了通过自制的喷嘴系统，向抬包底部喷吹氧气精炼工业硅的生产实践。

The uptake ratios of nutrients by the phytoplanktons were calculated based on the changes of chlorophyll a and nutrient in the incubations.

根据培养水体中叶绿素a和营养盐浓度的变化，计算浮游植物对无机氮、磷和硅的平均吸收比例结果为：渤海Chl a∶N∶P∶Si（mu g/l∶mu M∶mu M∶mu M）=53.4∶28.9∶1∶177.7；黄海Chl a∶N∶P∶Si（mu g/l∶mu M∶mu M∶mu M）=60.9∶21.5∶1∶102.8。

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％。