硅粒

通过热处理Al-Si合金共晶硅粒的形状、尺寸和分布能够得到有效地改进，机械性能也得到提高。

The shape , size and distribution of the eutectic silicon particles in Al-Si alloys could be improved effectively by heat-treatment . And so Al Si alloys could have better mechanical properties .

含纳米硅粒氧化硅薄膜的光致发光和光吸收研究

Study of photoluminescence and optical absorption from silicon oxide films embedded nanometer silicon particles

晶体硅粒太阳电池的硅粒层研究

The research on silicon grain layer for grain silicon solar cell

为降低太阳电池的制造成本，设计了一种新颖的太阳电池&硅粒太阳电池。

A novel solar cell , called " grain silicon solar cell ", has been designed and researched in order to lower the manufacture cost of crystal silicon solar cell .

结果表明，在不同的磁场条件下，从过共晶合金中析出的初晶硅粒的分布状况和共晶硅的形态和密度有显著不同。

It is found that not only the distribution of the primary crystal silicon but the structures and density of silicon framework of eutectic are different because of different magnetic parameters .

介绍了中等规模太阳级硅粉的湿法提纯工艺，就硅粉回收率、硅粒尺寸及酸洗液浓度等重要工艺参数对杂质含量及提纯成本的影响进行了分析。

Therefore . the recovery rate which greatly affects the cost of purification has been studied . the effects of other important process parameters such as Si particle size and acid concentration have also been analyzed .

同时在酸洗过程中施加超声震荡，声流和声空化作用能够去除硅粒表面晶界狭缝处的杂质，因此可以提高酸洗提纯效果。

Ultrasound vibration was used during pickling process and acoustic streaming and acoustic cavitation could remove impurities which were not fully exposed at the slit of grain boundary , so it could increase the effect of acid pickling .

PUUA分子链在烯溶液中呈较舒展的构象，分子尺寸小于纳米氧化硅的粒径。

The results indicated that the conformation of the PUUA chains was in stretched conformation in dilute solution , and the average molecular size was smaller than the diameter of silica particles .

结果表明：当硅溶胶粒径分布集中、平均粒径23～25nm、pH9.0～9.5、适量加入氢氧化钠和氨水混合溶液作为稳定剂和加入少量助剂时，丙烯腈单程收率接近80%。

The result shows that when silica sol has narrow particle distribution , average particle size 24 ~ 26 nm , pH 9 ~ 9.5 , right amount of NaOH and ammonia water stabilizer and auxiliary agent , the single pass yield of acrylonitrile is close to 80 % .

制备参数和退火对激光诱导化学汽相沉积合成纳米硅的粒径和红外光谱的影响

Effect of technologic parameters on particle diameters of nano-Si produced by LICVD

超细钛硅分子筛粒径的激光粒度分析

Measurement of Particle Size of Ultrafine Titanium Silicate Molecular Sieve by Laser Particle Size Analyzer

本文主要研究了单质硅粉法制备硅溶胶的粒径控制技术，通过控制单质硅粉水解反应的条件促使种子生长并抑制次生粒子的形成，获得了可控粒径的硅溶胶产品。

The size control technology of silica sol prepared by silicon powder method was investigated in this paper ; size-controllable silica sol was obtained by controlling the hydrolysis reaction conditions to promote the growth of seeds and to suppress the formation of secondary particles .

硅溶胶SiO2粒径对精铸壳型涂料的影响

Effect of SiO_2 Particles Size in Silica Sol on the Slurry Properties for Investment Cast Shell

氧化多孔硅和纳米硅粒镶嵌氧化硅光致发光机制模型

Photoluminescence Mechanism Model for Oxidized Porous Silicon and Nanoscale-silicon-particle-embedded Silicon Oxide

拉曼光谱、植硅体和淀粉粒分析在纸质文物研究中的应用

The Application of Raman Spectroscopy , Phytolith and Starch Analyses to Research of Paper-based Materials

硅微粉含量和粒径对环氧树脂复合材料流动行为有较大的影响。

The effects of the content , particle size of silica on the flowability of EMC were researched systematically .

西秦岭南亚带太阳顶群硅质岩是碳硅泥岩型微细粒浸染状金矿的主要赋存岩石。

The Taiyangding Group cherts are the main host rock of the calcareous-siliceousargillaceous type gold deposits in the southern subzone of western Qinling area .

通过选择性碎解可得到部分较高铝硅比的粗粒级产品，同时细粒级铝土矿的铝硅浮选分离选择性也得到相应提高。

Through the selective cracking , a part of coarse fraction product having high alumium-silicon ratio could be obtained and the selectivity of alumium-silicon separation in flotation could be raised accordingly .

随着磨粒的运动，磨粒前下方的硅晶格在磨粒的压应力作用下晶格被打破，形成了非晶层，非晶层不断向前向深处扩展，造成了单晶硅亚表面的损伤；

With the advancement of the abrasive , the silicon lattice under the abrasive is fractured , and then the amorphous layers are formed and propagated , which causes the sub-surface damage .

推导出了次生粒子计算公式，可以通过估算消耗于次生粒子形成的二氧化硅的量来说明次生粒子的抑制效果及硅溶胶体系的粒径均匀程度。

The formula of secondary particles was deduced , through which the silica consumed by the formation of secondary particles could be estimated to illustrate the inhibitory efficiency of secondary particles and the degree of evenness of the silica sol .

氢化非晶硅薄膜退火形成的纳米硅粒

Nanocrystalline Silicon Clusters Formed in Thermally Annealed a-Si : H Films

使用高分辨透射电子显微镜可以观察到经900和1100℃退火的含纳米硅的氧化硅薄膜中的纳米硅粒，和经900和1100℃退火的含纳米锗的氧化硅薄膜中的纳米锗粒。

Using high resolution transmission electron microscopy , nanometer Si particles and nanometer Ge particles were observed in the SSO and GSO films , respectively , after annealing at 900 or 1100 ℃ .

研究了电磁搅拌对ZA27（Si）合金组织的影响，结果表明：强烈的电磁搅拌使ZA27（Si）合金中初晶硅显著细化和球团化，共晶硅大部分粒化，基体组织也明显细化。

Investigating the influence of electromagnetism agitation on ZA27 ( Si ) alloy structure , the paper shows that the intense electromagnetism agitation makes the primary crystals Si of ZA27 ( Si ) alloy to be refined and spherical greatly . And the eutectic Si also becomes globular mostly .

若非晶硅薄膜升温速率较低（～1℃/s），则纳米硅粒大小在23～46nm。

In contrast , if the a-Si ∶ H films have been annealed with low ramp rate (~ 1 ℃ / second ), the sizes of nanoscale silicon particles are in the range of23 ~ 46nm .