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European Physical Society (EPS)
European Physical Society home page www.eps.org European Physical Society (EPS)
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American Institute of Physics
American Institute of Physics www.aip.org
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APS Physics
American Physical Society (APS) is a non-profit membership organization working to advance and diffuse the knowledge of physics through its outstanding research journals, scientific meetings, and education, outreach, advocacy and international activities.www.aps.org
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physicsworld.com
physicsworld.com - news, views and information for the global physics community from Institute of Physics Publishingphysicsweb.org
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中生网
中生网提供生物实验、生物软件、生物网站、生物医药、健康常识、实验仪器、临床检验等相关的技术知识,SPSS,Origin,Endnote,Eviews,SAS,dnastar,Chemdraw,quantity one,DNAMAN,noteexpress,Vector NTI,stata,DPS等行业软件免费下载。www.seekbio.com
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MOLBASE
Search, Free Inquiry, Enhanced encyclopedia. MOLBASE is one of the largest integrated platforms for chemical e-commerce.www.molbase.com
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Guidechem Chemical Network
Guidechem chemical B2B network provides information on china and global chemical market quotation and relative chemical Information.Guidechem Chemical Network providing the most complete information of the chemical industry.www.guidechem.com
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中华化工网
中华化工网致力于提供化学试剂,通用试剂,分析试剂,有机试剂,无机试剂,精细化工,化工机械,化工设备,石油,化工,塑料,橡胶,煤化工等产品的网上交易服务，化工新闻栏目包括化工供求信息，塑料供求，煤化工供求信息，化肥供求，石油供求，化工海运空运信息等。www.chem234.com
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第一化学网
化工企业首选的出口电商平台 - 第一化学网 Echemi.com
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旧历史网
旧历史网提供中外历史故事、人物、帝王、考古、战史、文史、野史的趣味历史，挖掘历史的乐趣，寻找史料的印记，在历史的浩瀚中遨游。爱历史的朋友们请关注旧历史网。www.jiulishi.com
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