硅

A silicon based piezo-electricity socle girder miniature electric generating apparatus is provided with a silica fixing frame, an oxidizing layer, a platinum/titanium lower metallic layer, a piezo-electricity PZT layer, a platinum/titanium upper metallic layer, an electrode insulation protection layer, and a vibrating base; the structure of the silica fixing frame combines the monocrystal silicon wet method etching and dry-etching to process, whose structure is integrated as a whole, and the center part of the structure is in a socle girder shape, which includes a silicium socle girder and a free end mass block; the piezo-electricity power supply device uses a micro-machining technique to integrally machine, and can realize the integration of the power supply and the microelectronic devices.

一种硅基压电悬臂梁微型发电装置，有硅质固定框架1、氧化层2、铂/钛下金属层3、压电PZT层4、铂/钛上金属层5、电极绝缘保护层6、振动底座7构成；硅质固定框架1的结构是利用单晶硅湿法腐蚀和干法腐蚀相结合完成加工，其结构连为一体，其中心部分的结构为悬臂梁形状，包括硅悬臂梁a和自由端质量块b；压电电源装置利用微加工工艺集成加工，能够很好的实现电源、微电子器件集成。

SBA-15 samples obtained from both silica sources were highly ordered p6mm symmetric pillar structure,as was evidenced by XRD patterns,with similar surface area and slightly larger pore volume for the samples prepared from TEOS than those from sodium metasilicate.

通过X射线粉末衍射对样品进行表征，发现两种硅源合成的SBA-15都具有高度有序的二维六方立柱形结构。它们的比表面积相近，用TEOS作为硅源的SBA-15的孔容比用硅酸钠作为硅源的SBA-15的略大；用硅酸钠作为硅源的SBA-15有更高的微孔率和更厚的孔壁。

The effect of additives on synthesis of xonotlite fiber with nano diameter is studied using industrial lime and quartz powder,selecting calcium chloride,strontium nitrate,zirconium oxychloride as additives.

采用工业石灰和石英粉，选用氯化钙、硝酸锶、氧氯化锆为添加剂，研究添加剂对合成纳米直径硬硅钙石纤维的影响，结果表明，几种添加剂均对生成硬硅钙石纤维有一定的帮助，加入适量的氧氯化锆添加剂，可以制备出纳米直径的硬硅钙石纤维，氧氯化锆的添加量为Zr4+/(Ca2++Si4+)=0.02时，可获得结晶良好、直径为70～100 nm的硬硅钙石纤维。

In order to guarantee continuous production of high silicon silicomanganese , throughput analysis of its process, restricted continuous production links are found out, a scheme concerned solving damage of equipment and erosion of taphole is brought forward as well as control craft's key links.

通过对高硅锰硅合金生产过程的分析，找出制约连续生产的限制性环节，并提出了解决设备损坏和出铁口侵蚀的方案，以及工艺过程控制的关键，从而保证高硅锰硅合金的连续生产。

In this paper, 2,6-dimethyl-1,4-phenylene oxidel was modified by trimethyl chlorosilane and triphenyl chlorosilane, and a serfes of silyl-substituted PPO were synthesized.

讨论了聚2，6－二甲基－1，4－苯撑氧与三甲基氯硅烷和三苯基氯硅烷的反应，合成了一系列取代含量不同的三甲基硅取代PPO和三苯基硅取代PPO。

The results shows that in the binary system, with the increase of reactive powder, the viscosity and relative degree of compaction of fresh paste increased whenas the fludity decreased; the strength of PRC of C+UPFA+SF is high than that of the C+UPFA and C+SF, and the strength of RPC related to the cementitious materials' relative degree of compaction and fluidity as in C+UPFA+SF system, when the relative degree of compaction was 0.699 and the fluidity was 182mm, the 7d compression strength of RPC was 150.4MPa.

实验结果表明：(1)双掺硅灰和超细粉煤灰，随活性粉末掺量的增加，新拌浆体的黏度增加，流动性下降，相对密实度提高；(2)双掺硅灰和超细粉煤灰的RPC强度远高于单掺硅灰时的强度；(3)RPC强度与体系中胶凝材料的相对密实度和流动度有关，复掺硅灰和超细粉煤灰，当密实度为0.669，流动度为182mm时，其RPC的7d抗压强度高达150.4MPa。

So, by the Diels-Alder reaction of tetraphenylcyclopentadienone, acenaphthenecyclone and benzophenanthrenecyclone with the vinyl groups in C gum, three kinds of polymethylvinylsilicone oil with condensed aromatics are synthesized respectively: polymethylvinylsilicone oil with tetraphenylphenyl groups (called C_1 gum for short), polymethylvinylsilicone oil with acenaphthenyl groups (C_2 gum) and polymethylvinylsilicone oil with benzophenanthrene groups (C3 gum).

根据此原则，利用四苯基环戊二烯酮、苊式环戊二烯酮和菲式环戊二烯酮与C胶上的乙烯基进行Diels—Alder反应，分别合成了三种含稠环基团的乙烯基硅油：四苯基苯基乙烯基硅油(C_1胶)，苊式多苯基苯基乙烯基硅油(C_2胶)和菲式多苯基苯基乙烯基硅油(C_3胶)，并根据~1HNMR谱图上不同氢原子的积分面积计算了三种胶中稠环基团和乙烯基的含量。

Along with the development of the global economy , especially the development of electronics , automotive , and chemical industry , the solar cells with polysilicon and monocrystalline silicon as raw material , organosilicon industry with chemical silicone as raw material , and silicon - alumium alloy with metallurgical silicon as raw material have become the domestic and foreign investment spot in recent Years , arousing the wide attention.

随着世界经济的发展，特别是电子、汽车、化学工业的发展，以多晶硅、单晶硅为原料的太阳能电池，以化学级工业硅为原料的有机硅工业，以冶金级工业硅为原料的硅铝合金，近年来成为国内外投资的热点，引起了全社会的广泛关注。

Polyether modified polysiloxane was synthesized by the hydrosilation reaction of hydrogen containing silicone fluidand allyl polyether, using chloroplatinic acid as the catalyst.

以氯铂酸为催化剂，利用含氢硅油与烯丙基聚醚的硅氢加成反应，合成出聚醚改性硅油；然后用乙醇胺进行胺化反应，制成纸张用氨基改性聚醚硅油柔软剂。

For example, to CaSiO〓, wallastonite and cyclowallastonite could be found simultaneously in glazes between the temperature range of 1125℃±10℃, only wallastonite came out below the range, and only cyclowallastonite appeared above the range. Similarly, melilite structure and clinopyroxene structure connected with crystallization temperature. Usually, higher crystallization temperature contributes to forming melilite with simple structure and lower crystallization temperature contributes to clinopyroxene with complex structure.

如钙的偏硅酸盐，硅灰石、环硅灰石的转变温度区域为1125℃±10℃，组分适当的特定釉熔体，高于此温度出现环硅灰石，低于此温度出现硅灰石晶体结构；同样的，黄长石、辉石的出现也与温度有密切的联系，通常，晶体生长的温度较高有利于晶体结构简单的黄长石出现，晶体生长时温度较低有利于稍复杂的辉石结构的出现。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。