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[期刊论文] 作者：Ratan Das,Sneha Gang,Siddharth,
来源：生物材料与纳米技术(英文) 年份：2011
Uniform silver nanoparticles have been prepared through the chemical reduction of silver ions by ethanol in presence of sodium linoleate. TEM micrograph shows a...
[期刊论文] 作者：Ratan Das,P.K. Singh,Ashutosh,
来源：岩石力学与岩土工程学报：英文版 年份：2017
Tunnelling related hazards are very common in the Himalayan terrain and a number of such instances have been reported. Several twin tunnels are being planned fo...
[期刊论文] 作者：Ratan Das,P.K.Singh,Ashutosh Kainthola,Suman Panthee,T.N.Singh,,
来源：Journal of Rock Mechanics and Geotechnical Engineering 年份：2017
Tunnelling related hazards are very common in the Himalayan terrain and a number of such instances have been reported. Several twin tunnels are being planned fo...
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