当pH=5时镓与桑色素形成配合物吸附在悬汞电极上,产生一个敏锐的还原波。本文探索了最佳条件和共存离子的干扰,其峰电流与镓的浓度成比例,线性范围在1~120ppb,检测下限为0.3ppb。实验方法应用在攀枝花钢厂的钢、铁、矿石和炉渣中镓的测定,结果良好

采用羰基热分解法对多壁碳纳米管表面进行镀钨处理,并以镀钨碳纳米管和电解铜粉为原料,进行机械球磨混粉和放电等离子体烧结,制备了镀钨碳纳米管/铜基复合材料.采用场发射扫描电镜观察了粉体和复合材料的组织形貌,并对复合材料物相进行了X射线衍射分析.探讨了镀钨碳纳米管含量和放电等离子体烧结温度对复合材料致密度、抗拉强度、延伸率和电导率的影响.结果表明,镀钨碳纳米管质量分数为1%和烧结温度为850℃时,复合材料的致密度、抗拉强度和电导率最高.与烧结纯铜相比,复合材料的抗拉强度提高了103.6%,电导率仅降低15.9%

8.1 三相异步电动机的结构 8.2 三相异步电动机的转动原理 8.3 三相异步电动机的电路分析 8.4 三相异步电动机的转矩与机械特性 8.5 三相异步电动机的起动 8.6 三相异步电动机的调速 8.7 三相异步电动机的制动 8.8 三相异步电动机的铭牌数据 8.9 三相异步电动机的选择（自学） 8.11 单相异步电动机

COPYRIGHT 1998-2002 by The Math Works, Inc. The software described in this document is fur d under a license agreement. The software may be used or copied only under the terms of the license agreement. No part of this manual may be photocopied or repro- duced in any form The Math Works, Inc. FEDERAL ACQUISITI

异步电动机和直流电动机一样，亦有三种制动方式：反馈制动、反接制动和能耗制动

shop are registered trademarks and Statetlow and Target Language Compiler are trademarks of The MathWorks, Ine. Other product or brand names are trademarks or registered trademarks of their respective holders

Anonymous FTP server comp. soft-sys. matlab Newsgroup supportemathworks. com Technical support suggestmathworks. com Product enhancement suggestions bugsemathworks. com Bug reports docemathworks. com Documentation error reports subscri beemathworks. com Subscribing user registration

§16.1 热辐射 普朗克能量子假设 §16.2 光电效应 爱因斯坦光子假说 §16. 3 康普顿效应 §16.4 氢原子光谱 玻尔的氢原子理论 §16.5 微观粒子的波粒二象性不确定关系 §16.6 波函数 一维定态薛定谔方程 §16.7 电子自旋 四个量子数 §16.8 原子的电子壳层结构

Natick, MA 01760-2098 For contact information about worldwide offices, see the Math Works Web site. Using MATLAB Graphics COPYRIGHT 1984-2002 by The Math Works, Inc. The software described in this document is furnished under license agreement. The software may be used or copied only under the terms of the license agreement- No of this manual may be photocopied or repro-

The software described in this document is furnished under license agreement. The software may be used or copied only under the terms of the license agreement. No part of this manual may be photocopied or repro- duced in any form without prior written consent from The Math Works. In FEDERAL ACQUiSITION to all acquisitions of the Program and Documentation by or for the federal