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Construction Materials

Construction Materials

Asphalt. Cement. Construction Materials. Woods. Concretes. Sand. It is the form of Silica .It is formed by decomposition of sandstones due to various weathering effects. Fine minerals The order of 0.1 to 1.0 mm diameter Fill voids between the coarser aggregate Types of Sand

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1.66k views • 68 slides
Microwave assisted synthesis of some 5-pyridyl-2-[(N-substituted phenyl) thioacetamido]-1,3,4-oxadiazoles as antibacteri

Microwave assisted synthesis of some 5-pyridyl-2-[(N-substituted phenyl) thioacetamido]-1,3,4-oxadiazoles as antibacteri

A series of some 5-pyridyll-2-[(N-substituted phenyl) thioacetamido]-1,3,4-oxadiazoles were synthesized by both conventional and microwave method and characterized on the basis of IR, NMR Mass Spectral and elemental analysis. The title compounds were subjected for antibacterial activity against both gram positive and gram negative organisms and invitro antioxidant activity by 1,1-diphenyl-2,2-picryl hydrazyl free radical (DPPH) method

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62 views • 4 slides
Corrosion study of mild steel, tor steel and CRS steel by weight loss method

Corrosion study of mild steel, tor steel and CRS steel by weight loss method

In present investigation an attempt has been made to investigate corrosion rate of mild steel, Tor steel and CRS steel in reinforced concrete. The five concrete block sites have been selected. The factor causing corrosion and conditions of the environment has been studied. Attempt has been made to consider conditions which will help to get greater protection against corrosion problem for industries as well as household articles.

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47 views • 4 slides

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