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Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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The tribology term comes from the Greeks of the words ‘’ tribos’’ meaning ‘’ friction ‘’,and ‘’logos’’ meaning ‘’ law ‘’. Therefore Tribology is defi ned as “ a science which studiessurfaces moving one compared to the other “ and also a fi eld of science studyinglubrication, friction, and wear.This book aims to recapitulate old informations available and brings new informationsthat are with the fashion research on an atomic and nanometric scale in various fi eldsby introducing several mathematical models to measure some parameters characterizingmetals like the hydrodynamic elasticity coeffi cient, hardness, lubricant viscosity,viscosity coeffi cient, tensile strength .... It...
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NEW TRIBOLOGICAL WAYS
