ASTM D570 Standard Test Method for Water Absorption of Plastics scope:this test method covers the detetmination of the relative rate of absorption water by plastics when immersed.
ASTM D570塑料吸水率的标准试验方法简介：ASTM D570包括了塑料在浸水时相对吸水率的试验方法。
Through a test research for heat pipe radiators of steel column type, we get the relative formula of heat transfer rate, calculating temperature difference and flow rate of the heat medium.
通过对钢制柱型热管散热器的试验研究，得出了散热器热流量和计算温差、热媒流量的关系式，并提出了进行热工性能试验的方法及进一步研究的意见。
The studies were carried out of the test of fatigue crack growth rate and relative to the microscopic morphology of fracture surface in certain high-strength steels.
本文用宏观和微观方法测量了几种高强度钢的疲劳裂纹扩展速率，用金相和断口复型法观察了疲劳断口的微观形态以及与显微组织的关系。
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