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CHEM 13 news
【出版者】 Department of Chemistry at the University of Waterloo【内容简介】CHEM 13 news is an informal magazine published by the Department of Chemistry at the University of Waterloo for teachers of introductory chemistry courses, especially at the high school and Year 1 college levels. Approximately 4000 teachers subscribe from 45 countries. Many of their authors are high school teachers. They p...
http://www.polymer.cn/resource/11186resource.html |
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Chem Sources
【数据内容】 Chem Sources was conceived in a small office on Wall Street in New York City in 1958. It has evolved into the most authoritative and widely recognized chemical source directory among purchasing agents, chemists, researchers ...
http://www.polymer.cn/resource/10511resource.html |
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Chem Systems公司的专题咨询报告摘要
【简介】 Comprehensive, topical reports alerting industry personnel to emerging trends and factors with significant potential to affect the business sector. These reports deliver penetrating technoeconomic, commercial and strategic analyses and insights.
http://www.polymer.cn/resource/12824resource.html |
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