chemBlink官网
chemBlink provides a free database of chemicals from around the World, searchable for product identifications, CAS numbers, SDS, formulas, suppliers and more. Contact us today.
点击进入 - 2023-11-02 - 收藏
ChemicalBook - Chemical Search Engine
Chemicalbook is a platform dedicated to provide the most valuable resources for chemical industry users. Here you can get chemical information (such as chemical physical properties, safety data, Excellent china suppliers and their web addresses and etc.)by searching the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure.
点击进入 - 2023-10-13 - 收藏
半导体网城
半导体网城www.51semicon.com，半导体行业专业采购查询门户网站，分为半导体设备，半导体材料，晶圆芯片制造，封装与测试，半导体设计等专区，《半导体行业采购指南》下称《指南》原名《中国半导体企业名录》，创刊10年来，成为半导体IC行业采购信息对接的最大专业媒体。与国际知名的大型展会合作免费发行：如全国电子展（春、夏、秋三季）、SEMICON、慕尼黑展、IC- China、高交会、光博会、SNEC光伏展、触控展（上海/深圳）、CPCA、TPCA等行业专业展会，受到行业上下游用户一致的好评！本刊是目前行业影响力最大的采购销售查询媒体！其信息量之大，数据之准、收集之全、服务之完善、效果最好在业内首屈一指！
点击进入 - 2022-09-01 - 收藏
Academic Torrents
A distributed system for sharing enormous datasets - for researchers, by researchers. The result is a scalable, secure, and fault-tolerant repository for data, with blazing fast download speeds.
点击进入 - 2022-07-10 - 收藏
