A PROFITABLE SPONSORED SEARCH MECHANISM

A Profitable Sponsored Search Mechanism

Nowadays, the Internet has had a rapid expansion and presence in all areas of the individuals, institutions, companies and organizations lives.This has made large Toothpaste extent of data available so that the users need to access their desired information or services through using search engines.To continue and promote providing services, search

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Mechanical Properties and Micromorphology of Calcium Oxide Expansion Agent on River Sand/Machine-Made Sand Concrete

Freeze-thaw damage is one of the main factors affecting the service life and Anti-Perspirant durability of concrete.Optimizing the microscopic pore distribution of concrete is an effective measure to improve its frost resistance.This paper takes mixed sand (machine-made sand + river sand) concrete as the research object and analyzes the influence m

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