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Because of the rapid development of the wireless communication technology, the design and research of the integrated circuits in the related field has gained more and more attention in recent years. And with the advance of the IC process technology, the cutoff frequency of MOS devices can reach several giga herz or more. It is a trend that CMOS process will replace the III-V compound process such as gallium arsenide or silicon bipolar process which were dominant in the fields of radio frequency and microwave.

近年来,由于无线通信技术的飞速发展,相关领域的集成电路的设计研究也受到越来越多的关注;同时由于工艺技术的不断进步,MOS器件的特征频率也可以达到几个GHz或更高的水平,原来在射频、微波领域占主导地位的三五族化合物半导体工艺如砷化镓及硅双极型工艺也有逐渐被CMOS工艺所取代的趋势。

For the sake of solving the problem of great rotary inertia and forged steel rockerarms bad wear-resisting property in the engine of Xia Li cars with modelTJ370Q TJ376Q, we utilize the assembly theory of creative engineeringmethodology to respectively make the aluminum alloy materials and siliconnitride engineering ceramics as base stock of rocker arm and cabochon glut. Inthis way, the goodness of these two kinds of materials are fully strengthened. Forthe new rocker arms, their comprehensive property are enhanced and the cost ofmanufacture is lower than before.

为了解决夏利轿车发动机TJ370Q和TJ376Q中所装配的锻钢镀硬铬气门摇臂所存在的转动惯量大、圆弧面耐磨性差的问题,项目研制中运用创造性方法学中的"组合"原理,有针对性地选用铝合金和氮化硅陶瓷这两种具有不同性能特点的材料分别作为摇臂基体和工作圆弧面镶块,充分发挥两种材料各自不同的性能优势,从而达到提高产品综合性能,降低制造成本的目的。

In the aspects of research method, we took the method of preparing sol at first and then impregnating the wood to obtain ceramic-wood composite; this method made the wood use efficiently and increased the wood's weight gain percent. The ceramic-wood composite with performances of well decay resistance, dimensional stability, effloresce resistance and high strength was obtained by importing the cymene to the net of gel as the result of co-hydroxylation between MTES and TEOS. Making use of XPS ,we found that the apex of Si2p、O1s、C1s had evident chemical shift , which validated the existence of Si-O-C bonding.Key Words: Sol-gel, Ceramic-wood composite, Modified sol, Ecomaterials

在工艺方法上,采用先制备溶胶,然后浸注木材的工艺方法具有原料利用率高、提高增重率的优点;采用甲基三乙氧基硅烷和正硅酸乙酯共水解的方法,将甲基引入陶瓷化复合木材的凝胶内部,所制备的材料具有尺寸稳定性好、具有耐风化和耐腐朽性,强度高的特点;首次利用X射线光电子能谱,发现了Si2p、O1s和C1s谱峰发生了明显的化学位移,证实了Si-O-C键合作用的存在。

Seventh: The sol-gel method developed here for the synthesis of nanocrystalline film gate are compatible with conventional silicon planar technology, and there is no any limitation to the polarity of the film type n or p for making different kinds of nanocrystalline-film-gate-OSFET sensor. This is a very important basic work for the extending, improving and integrating of the similar devices.

七、研究开发的制备氧化物及复合氧化物纳米晶薄膜的溶胶—凝胶工艺可以实现与硅平面工艺兼容,采用该工艺可以制作不同纳米薄膜栅的OSFET新型气敏元件,薄膜的导电类型不受限制,可以是N型的,也可以是P型半导体,为该种类器件的推广和改进以及进一步的集成化创造了基础。

From the map we can know:〓-N is mainly from the catchment above Yichang Station, especially Chengdu Plain;〓-P are from populous region in streamside.〓 is high above Jinshajiang river and in Guizhou, Sichuan region catchment, which was tied up human farming; the content of silicon in water is controled by weathered process.

长江营养元素采样数据的空间可视化可看出:长江中〓的来源,宜昌站以上的上游占绝大部分,特别是成都平原;〓主要来自城市密集的干流两岸地区;硫酸根在金沙江上游和川贵境内支流是两个高含量区域,与人的农业活动关系较小;硅的迁移主要受自然风化的控制。

A computer-aided local transient flow property measuring system was developed using a high speed CCD camera coupled with optical fibers in order to study the Gas-liquid-solid three-phase jet loop reactors. SnO2 crystal films were orientally deposited on the alkoxysilane molecule-coated hydroxyl glass substrates so as to prepare surface-marked particles as the tracers. An image analysis system was established to identify different phases. Stroboscopic photography was utilized to extend the measure range. The developed measuring and analysis system was capable of determining accurately the local transient flow property in a G-L-S jet loop reactor. Based on the above system, local transient flow properties of gas, liquid, and solid phase were measured and studied the influences of fluid property, operation and configuration parameters on the reactor.

以气液固三相喷射环流反应器为研究对象,将高速CCD和光纤束耦合制成局部瞬态流动特性微机数据采集及图象处理系统,利用MPS硅烷分子在带有羟基的玻璃基底上的自组装引导SnO2晶态膜层在功能化表面上进行沉积,以获得表面标记的示踪粒子,解决图象处理技术与相的识别的问题,利用频闪技术拓展了测量上限,得到可以准确测定气液固三相喷射环流反应器中局部瞬态流动特性的测试系统;采用上述测试技术进行喷射环流反应器中局部气相、液相与固相瞬态流动特性的实验研究,并考察物性参数、操作参数与结构参数的影响规律。

The invention discloses a dielectric hole-microhole composite material and synthesizing method in the inorganic porous material, adsorbing material and catalytic material technical domain, which comprises the following steps: adopting zeolite molecular sieve as raw material; reacting with sodium bisilicate solution under 30-60 deg.c for 10-300 min; disintegrating particle part of zeolite molecular sieve into piece with microhole structure; adding cetyl trimethyl ammonium bromide as molder; adjusting pH value of mother liquid to 10-12; aging 1-8h; adding in the high-pressure autoclave to do water heat synthesizing reaction at 80-130 deg.c for 24-72h; separating solid; washing; drying; sintering under 500-600 deg.c for 5-10h; obtaining the Si-Al porous material with dielectric hole and microhole composite structure.

本发明属于无机多孔材料、吸附材料和催化材料技术领域,涉及具有介孔-微孔复合材料及其合成方法。其特征是以沸石分子筛为原料,用偏硅酸钠的水溶液在30~60℃反应10~300分钟,使沸石分子筛的颗粒部分解离形成具有微孔结构的碎片,加入模板剂十六烷基三甲基溴化铵,然后调节母液pH值为10~12,老化1~8小时,然后加入高压釜于80~130℃进行水热合成反应。反应24~72小时后,分离出固体,水洗、干燥,然后于500~600℃焙烧5~10小时,得到具有介孔和微孔复合结构的硅铝多孔材料。本发明的效果和益处是所发明的合成方法可用于合成多种沸石结构和介孔结构的复合材料,所合成的材料经过质子交换可以具有较强的酸性,在吸附和催化领域具有广泛应用前景。

Some surface properties of films prepared from these hybrid water dispersions were measured.

初步测定了杂化水分散液成膜后的表面性能,发现它们具有更高的硬度和更好的疏水性能,与成膜过程中硅溶胶在膜表面的富集效应有关。

Compared with the bulk Si3N4/SiO2 composite electret film before planar technology, the effect of the microminiaturization on the charge stability of this kind of electret film is also studied.

借助与未经平面工艺处理的氮氧化硅复合膜大片的对比,研究了这类驻极体功能膜的微型化对其电荷寿命的影响。

Then dendrimer-like polyamidoamine s based on the silica gel surface were prepared using Micheal addition of the amino and methyl acrylate,and ester-exchange of ethylene diamine and the ester group.

用硅烷偶联剂对硅胶表面进行氨基功能化,利用氨基与丙烯酸甲酯发生的Michael加成反应和乙二胺与酯进行的交换反应在硅胶表面合成了聚酰胺-胺树状大分子;利用红外光谱对PAMAM-SG的结构进行了表征,研究了溶液pH值、ρ(Ni2+)和温度对PAMAM-SG吸附Ni2+能力的影响。

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