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纳米材料在氧化锌晶须表面原位合成及其隐身机理研究
纳米材料 隐身机理 表面原位合成 氧化锌晶须
2008/11/6
纳米磁性粒子和导电高分子在ZnOw针状体表面分步或同时原位合成，使纳米颗粒均匀分布在四针状晶体结构上，研究其生长过程和机理；系统研究这种“四针状纳米结构材料”吸波隐身机理；深入研究经四针状结构均匀分散后的纳米材料与电磁波的作用机理，研究纳米材料的结构对其电磁波吸收性能的影响；分析“四针状纳米结构材料”中磁性纳米材料、导电聚合物和ZnOw对电磁波的协同作用机理。探讨分别具有介电损耗、磁损耗和电阻损耗...
该发明专利是用于生物化学需氧量生物传感器的微生物有机-无机杂化材料膜。其工艺为选择无机材料正甲氧基硅烷或正乙氧基硅烷水解制得的溶胶-凝胶，与含微生物的聚乙烯醇接枝4-乙烯基吡啶水溶液混合；混匀后滴涂于载玻片表面，晾干，得到含微生物均匀的有机-无机杂化材料膜；将该膜置于氧电极的透氧膜上即制得BOD微生物传感器。制备出的微生物传感器响应时间为3～20分钟，线性范围为1～60mg.L^(-1)，连续工作...
应用SuperⅣ型塔盘、压缩机注水等系列技术改造消除乙烯装置瓶颈
乙烯装置 压缩机 塔盘 注水
2008/7/16
独山子石化公司乙烯厂成果摘要： 该项目解决了预切割塔釜甲烷含量严重超标、脱甲烷塔10-C-301塔顶温度偏高、乙烯装置扩建增加的热泵压缩机不能长期稳定运行、裂解气压缩机叶轮结垢严重、裂解炉裂解气大阀和烧焦阀开关困难容易损坏等等一系列生产中遇到的瓶颈问题。乙烯产量由改造前的680吨/天提高至720吨/天以上，乙烯装置的生产能力04年突破25万吨，05年突破26万吨。该技术改造已在独山子石化公司成功...
Recent investigations on the design and synthesis of electrochromic materials based on
switchable three-station [2]catenanes are summarized. The reasoning and preliminary
experiments behind the desi...
Investigation of centrifugal reclaimer's work by means of high-speed digital camera recordings
Used sand Mechanical reclamation High-speed recording
2007/7/24
The experimentally verified theoretical model of the mechanical reclamation treatment of used sands in a centrifugal reclamation unit is presented in the paper. The formula for calculation of the sing...
The determination of the composite layer thickness with the use of software NovaFlow&Solid and Preforma 1.1
Composites Casting Surfacing alloy layer Computer simulation Technology design
2007/7/13
In this article the results of thermal simulation of formation composite layer on steel model casting were presented. The aim of researches was to determine the technological parameters of formation c...
A new approach to modelling and designing mono-block dental implants
Automation engineering process CAD systems CAM systems
2007/5/30
Purpose: of this paper is present a new approach to modelling and design the low cost mono-block dental implants based on the integration of the computer aided techniques. This approach provides the a...
MICROWAVES ENERGY IN CURING PROCESS OF WATER GLASS MOLDING SANDS
innovative materials and technologies in foundry microwaves
2007/3/12
This work presents the results of investigation of microwave heating on hardening process of water glass molding sands. Essential influence of this heating process on basic properties such as: compres...
First-principles electronic-band calculations on organic conductors
first-principles calculation electronic structure organic conductor
2004/4/30
Predicting electronic-band structures is a key issue in understanding the properties of materials or in materials design. In this review article, application examples of first-principles calculations,...
静电键合用微晶玻璃的研究
Li2O-Al2O3-SiO2系统 微晶玻璃 静电键合
2003/3/20
采用传统熔体冷却方法,研究以TiO2为成核剂、以Li2O-Al2O3-SiO2为基础组成的玻璃的制备工艺;根据差热分析(DTA)的结果确定玻璃的核化与晶化温度,然后针对基础玻璃组成,采用二步热处理方法获得透明的微晶玻璃;用X射线衍射分析(XRD)和扫描电子显微镜(SEM)对晶化试样的物相和显微结构进行研究;用热膨胀仪测定玻璃在热处理前、后的热膨胀系数;用绝缘电阻测试仪测试该微晶玻璃的电阻率.研究结...