1.The preformed silica, i. e. , silica A, silica B and silica C contain mainly Sia, Sib and Sic with big kc, and Sic with small kc, respectively.
所得Silica A,B,C样品中其主要形态所对应的分别是Si_a,Si_b,与小颗粒态Si_c,大颗粒态Si_c。
2.Bi-microporous composite zeolite HS-FBZ ( High-Silica-Faujasite-Beta-Zeolite) was synthesized in the hydrothermal system by using high silica NaY (n(SiO2) / n(AlZO3 )≥5. 0) as precursor, and characterized by XRD, BET, SEM and FT-IR.
以高硅NaY(n(SiO2)／n(Al2O3)≥5．0)为前驱体,在水热体系中合成出了具有双微孔结构的复合分子筛 HS-FBZ(High-Silica-Faujasite-Beta-Zeolite); 采用XRD、BET、SEM和FT-IR等手段对其结构进行表征;
3.Silica-Ni-P composite coating is fabricated by dip-coating onto a 200-mesh copper-screen substrate. The sensing characteristics of the oxygen photosensor is studied with [Ru(bpy)_3]Cl_2 as sensing element and Silica-Ni-P composite coating as support system.
利用复合化学镀方法在200目铜网上固定硅胶颗粒,得到了Silica-Ni-P的复合化学镀层,并研究了以它为支持体系,以[Ru(bpy)_3]Cl_2为敏感物质的光学氧传感器的响应特性。
4.Methods Genomic DNA was directly isolated from whole blood using Silica KI method.
方法 用硅胶 碘化钾 (Silica KI)吸附法直接从外周血提取基因组DNA。
5.A Luna Silica(2) column was used with hexane-dichloromethane-methanol-strong ammonia solution(45∶40∶5∶0.35) as mobile phase.
用Luna Silica(2)色谱柱,以正己烷-二氯甲烷-甲醇-浓氨试液(45∶40∶5∶0.35)为流动相,流速为1.0ml.
6.AAR can be assorted two classifications: Alkali-Silica Reaction (ASR) and Alkali-Carbonate Reaction (ACR).
AAR主要分两类：碱-硅酸反应(Alkali-Silica Reaction，简称ASR)和碱-碳酸盐反应(Alkali-CarbonateReaction，简称ACR)。
7.GHG-electrical grade activated silica powder is produced by way of mingling on the basis of electrical grade silica powder.It has activt effect on surface &make silica powder mingled with resin,raise cohesive force between resin &silica powder,raise the water-resestance on the sunface and the compressive strength of pour object,reduce sediment,gradation &split,increase filler of silica powder,and replaced inpoted products on the producing line of imported dry type transfomer &high tension mutual induc tance equiment,it has been the best pouring insulate materual in electrical trade.
电工级活性硅微粉是在电工级硅微粉的基础上进行偶联化处理而制成，具有表面活性作用，能使用硅微粉与树脂发生交联，提高树脂与硅微粉的粘结力和界面增水性，提高浇注体抗冲击强度，减少沉淀、分层、开裂现象，增加硅微粉的填充量，在引进的干式变压器、高压互感器生产线上已成功地代替了进口产品，成为电工行业理想的环氧浇注绝缘材料。
8.In this review we summarize the recent progress on chemical modification of silica with APTS. The typical strategies for APTS modification and the characterization methods for the APTS layers on silica surface are introduced, and the controllability of the different methods for surface APTS modification of silica, the structure and stability of the surface APTS layers are discussed.
本文对近年来APTS修饰二氧化硅的研究进展进行了简要的概述,介绍了APTS修饰二氧化硅的典型方法和APTS修饰层的表征手段,探讨了不同修饰方法可控性及对所形成的APTS层结构及稳定性的影响。
9.The modern measuring technique is used to study the image,crystal phase, material phase,as wel as the forming processes of the pore structure and the microstructure of the artificial silica fume. The measuring results show that the artificial silica fume is a non crystalline,crypto crystalline and porous substance with a rather high specific surface area,has a rather high activity of volcanic ash and is a type of ideal material which can substitute silica fume.
利用近代测试技术对人造硅灰的形貌、晶相、物相及孔结构和微结构形成过程进行研究 ,测试结果表明 ,人造硅灰是一种非晶态、隐晶质物质 ,具有较大的内比表面积的多孔体 ,具有较高的火山灰活性 ,是一种较为理想的替代硅灰材料。
10.This study focused on characterization of high-silica Y zeolites prepared by SiCI4 treatment. Nitrogen adsorption,AEM,ESCA,29Si MAS NMR,27AI MAS NMR and FT-IR were need for physico-chemical analysis to investigate the adsorption properties, pore structure, the homogeneous of dealumination, distribution of silicon or aluminum and the acidity of the high-silica Y zeolite. Catalysts using high-silica Y zeolite as active component have been evaluated.
本研究以氮吸附、分析电镜（AEM）、光电子能谱（ESCA）、固体核磁29SiMASNMR、27AIMASNMR及傅里叶红外（FT－IR）考察了用SiCl4气相化学法制备的高硅铝比Y型沸石的吸附性能、孔结构、脱铝均匀性、硅铝分布及酸性，并对其催化剂进行了初步评价。
