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橡胶塑料搜索引擎(PSI)
【简介】
The FREE polymer industry search engine

PSI is a FREE Internet search engine dedicated to the polymer industries. Only sites that offer considerable content directly related to rubber, plastics or adhesives are indexed. Each web site submitted for inclusion in PSI will be vetted before inclusion in the search engine.

PSI is brought to you by Rapra Technology Ltd.

生物资源搜索引擎, BioPortfolio
【简介】
BioPortfolio's BioWeb Search Engine offers you to search the most comprehensive and focused database of internet pages (including html, pdf, Word and PowerPoint files) indexed from 4,500+ biotechnology, pharmaceutical and life science web sites.

BioPortfolio's BioWeb Search Engine provides you with the option to define your search terms or phrase and search across the BioWeb database of 1.5 million pages.

免疫学信息网
【简介】
1.此网主要为免疫学及生物医学研究人员提供国外资源。
2.免疫学论坛 为免疫学和分子生物学教学科研人员交流提供平台。
3.提供分子生物学书籍、技术及相关网址。
4.免疫学专题网址提供淋巴细胞活化、非特异性免疫、超敏反应、自身免疫性疾病等国外有一定影响的网址。
5.生命科学论坛为世界最著名的专业论坛,数十个专题论坛,您可参加不同的小组,提出您的问题,会有全世界的同行给予回答(英文)。
6.网上课程收集各种网上医学、生物学、细胞及分子生物学的课程。
7.细胞因子百科全书能够提供各种细胞因子及其受体的基因结构、氨基酸顺序的详尽的资料,是进行细胞因子研究必需浏览的网站。此网站已和该网的斑竹德国慕尼黑大学基因中心的Horst Ibelgaufts博士联系,他已同意此网站链接。
8.国外授课资源 提供国外大学基础医学各专业授课PPT课件。
9.留学网络 收集国外各实验室招收博士及博士后网址100多个,如果您想留学只要在该栏目寻找便能使您如愿。
10.基因专业英语词汇表该词汇表的特点是每一词汇除英语解释外,有美国科学家朗读,附带他们的简历及E-MAIL地址。
11.英文免疫学读物 收集美、英、德等国的免疫学家编写的专题文章,对于提高专业知识和专业英语水平很有帮助。
12.网络免疫学文摘 半月刊 介绍免疫学发展动态,提供免疫学的网络信息。

检索共享软件:Search CNET Shareware
【简介】
Searching the Internet for more than 250,000 shareware files.

CNET is one of the world's leading new-media companies. Since 1995, our award-winning Web sites and television series have become the definitive source for information about computers, the Internet, and digital technologies.

CNET, Inc. is one of the world's premier new media companies, recognized around the globe as the leading source of information and services relating to computers and technology. From technology news, to authoritative product reviews and comparison shopping, CNET serves millions of users each day, online, on television and on radio. CNET.com was the number one technology content site in 1999, according to both Media Metrix and Nielsen//NetRatings, and is the 15th largest property on the Internet. CNET's television programming airs on CNBC and in national syndication, as well as in 98 countries around the world. In January 2000, CNET joined forces with AMFM, the country's leading radio broadcaster, to create CNET Radio, the first all-tech radio format.

CNET, Inc.
150 Chestnut Street
San Francisco, CA 94111
415.364.8900

多引擎同时检索Metacrawler
【简介】
Go2Net (http://www.go2net.com/) is one of the Internet's leading networks, providing consumer services, business services and enabling services. The company offers through the World Wide Web a network of branded properties and aggregated content in the categories of search and directory, personal finance, multi-player games, small business services and ecommerce solutions.
The company also develops Internet technologies for its own network and for license to strategic partners. The Go2Net Network SM is home to many of the Internet's leading vertical destinations, including: MetaCrawler ?, Silicon Investor SM, the HyperMart Network ?, PlaySite SM, Dogpile SM and 100hot ?. Media Metrix ranks The Go2Net Network as the 10th most-trafficked network on the Internet (November 1999).

Go2Net's vision is to be the Internet's premier destination. Our virtual communities are designed to help users conduct research, access financial information, play exciting games, and effectively participate in the electronic marketplace.

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