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Internet Search Engine
Internet Search engine, includes boolean keyword search, proximity search, string search and answers questions |
Scirus - for scientific information
Scirus is the most comprehensive science-specific search engine on the internet. Driven by the latest search engine technology, scirus searches millions science-specific web pages. Scirus has proved so successful at locating science-specific results on the web that the search engine watch awards |
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Pay per click search engine provides pay per click advertising, pay per click programs, marketing, pay per click search engine advertising, ppc advertising solutions for online advertisers, ppc search engine, pay per click leads placement, ranking, listings and pay per click affilate programs for |
Chemistry guide - chemistry search engine
The directory and search engine of chemistry related resources on the internet. Our search engine allows you to search the contents of more than 250 chemistry website. |
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