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»ù±¾ÉÏÎÒ×Ô¼ºÒ²Ã»È¥¹ý£¬¹þ¹þ£¬Ì«ÀÁÁË http://www.matweb.com ²ÄÁÏÐÔÄÜÊý¾Ý http://www.webelement.com ÔªËØµ¥Öʼ°Ò»Ð©»¯ºÏÎïµÄ²ÎÊý ÍÆ¼ö£ºÖйú»¯¹¤Íøhttp://sr2.chemnet.com.cn/ »¯Ñ§ÐÅÏ¢Íøhttp://www.chinweb.com.cn/ ÎﻯÐÔÖÊ:http://webbook.nist.gov MSDS:http://www.chemexper.com http://msdsonline.com Mineral:http://webmineral.com/crystal.shtml (ÍøÂçͨѡÔñÎÄÏ׳ö¿Ú£© Organic Spectra:MS,NMR(1H,13C),FT-IR,Raman,ESR -http://www.aist.go.jp/RIODB/SDBS/sdbs/owa/sdbs_sea.cre_frame_sea PolymerInfo(general properties and NMR spectra is available) -http://triton.tokyo.jst.go.jp (will be transfered to http://mits.nims.go.jp/db_top_eng.htm after April4t h2003) are strongly recommended. [ Last edited by imrking on 2005-12-5 at 16:44 ] |
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