The properties of coatings. e. g. tensile strength, expansion coefficient, wear volume under given conditions and porosity, etc. were tested.
测定了涂层抗拉强度、膨胀系数、一定条件下的磨损体积、气孔率等性能。
On the assumption that the product of volume thermal expansivity and bulk modulus based on the thermodynamic approximation theory, a new equation is presented for volume thermal expansion coefficient.
根据热力学近似理论，在对体积热膨胀系数和体积弹性模量的乘积进行假设的基础上推导了一个体积热膨胀系数与体积和温度间的关系式。
Theses parameters include compression index, expansion index, coefficient of secondary consolidation and initial coefficient of re consolidation volume compressibility, et al.
这些参数包括压缩指数、回弹指数、次固结系数、初始再固结体积压缩系数等。
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