- NIST的陶瓷数据库
Includes the Evaluated Data from NIST, the Nist Superconducting Materials Database WebHTS, the NIST Structural Ceramics Database WebSCD, and a collection of Property Data Summaries WebPDS.
http://www.ceramics.nist.gov 5000
- 台湾基因科技股份有限公司
从事基因体研究、生物晶片、生物资讯，并提供检验工具及相关服务。
http://www.tgs.com.tw/ 5000
- 保温材料数据库NASA TPSX
The Thermal Protection Systems Expert and Material Property Database, or TPSX, is a database for advanced thermal protection material properties.
http://tpsx.arc.nasa.gov/ 5000
- 中国标准出版社
中国标准出版社主要编辑出版：国家标准(年约1000项)，行业标准(年约600项)，重要标准宣贯图书，各种标准汇编，标准化理论著作、教材、普及读物，质量管理类图书，标准手册、词典、目录，以重要标准宣贯为内容的音像制品，国家标准光盘及其他多媒体电子出版物。
http://www.bzcbs.com 5000
- 铜资源
A service of the Copper Development Association for the copper and brass industries in the USA
http://www.copper.org/ 5000
- 合金材料组成和相图数据
It is an information and research platform in Materials Chemistry, specialised in materials constitution, phase diagrams and thermodynamics.
http://www.msiwp.com 5000
- 塑料产品数据库
免费的工程塑料、树脂产品信息，包括产品的牌号、物性、用途和分类等信息，其内容涵盖了90%的工程塑料市场产品。
http://www.campusplastics.com 5000
- 有关复合材料和塑料信息
这是about.com站点以复合材料、塑料为主题的内容。由Barry Berenberg编辑维护。
http://composite.about.com/ 5000
- 复合材料和塑料信息
这是about.com站点以复合材料、塑料为主题的内容。由Jason Nadeau编辑维护。
http://metals.about.com/ 5000
- 偏重化学科普
Each site in About unique network is run by a professional Guide who is carefully screened and trained by About. Guides build a comprehensive environment around each of their specific topics, including the best new content, relevant links, How-To's, Forums, and answers to just about any question.
http://chemistry.about.com/ 5000
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