نتایج جستجو برای: seven parameters topography
تعداد نتایج: 773739 فیلتر نتایج به سال:
Tribological properties are determinant in the functionality of contacting surfaces machine elements. The wear resistance or load bearing capacity influence lifetime these parts. In this study tribology-related surface topography parameters (Ssk, Sbi) and hardness hard turned analyzed after measurements. Correlation coefficients were calculated for their relationships. It was found that cutting...
burnout is a response to the chronic work stress which is prevalent mostly among the people who do people job, like teaching. the purpose of this study was to develop a valid and reliable instrument that can measure burnout in foreign language teachers. although some widely used instruments were developed before which measured burnout in teachers, a specific instrument which include specific sy...
nanostructured alumina thin films were coated on stainless steel by sol-gel dip coating method. in order to prevent crack formation, al2o3 films were kept in a solvent bath immediately after coating to reduce the rate of drying. effects of calcination temperature and withdrawal speed on structural properties were analyzed using xrd and sem. topography and thickness of coatings were analyzed by ...
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