千帆搜索-资源网 千帆搜索

千帆搜索-资源网 千帆搜索

千帆搜索,千帆网,网盘搜索,资源搜索,在线搜索 千帆搜索,是一个资源超丰富的聚合网盘资源搜索网站。千帆搜索支持百度网盘搜索、阿里云盘搜索、蓝奏云搜索、天翼云盘搜索、夸克网盘搜索、迅雷云盘搜索。可以搜索影视资源、音乐资源、图片资源、电子书资源、软件资源、小说资源等等。只需要输入关键词,即可一键聚合搜索全网所有网盘资源,搜索结果直接提供网盘分享链接,大家可保存至自己的网盘或者直接下载!
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ChemExper ChemExper

ChemExper ChemExper

可以查询的条件包括化合物名、分子式、CAS编号或SMILES,检索结果中除了提供结构预览,还可以下载mol格式的化合物3D结构源文件,可直接导入到ChemDraw、ISIS Draw、Sybyl等软件中。此外,还可查看化合物的供应商信息。 ChemExper is a company joining together the areas of chemistry, computer science and telecommunication. The ChemExper Chemical Directory is a free service that allows to find a chemical by its molecular formula, IUPAC name, common name, CAS number, catalog number, substructure or physical characteristics as well as chemical suppliers. This database contains currently more than 10 millions chemicals, 16000 MSDS, 10000 IR spectra and more than 2000 chemical suppliers. You may also SUBMIT your own data!
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