测定了几种国产液面计玻璃板低温时的强度和耐温度急变性能。
The mechanical strength and thermal endurance of some homemade gauge glasses have been determined from room temperature to very low temperatures.
首先，对PVDF涂层建筑膜材进行拉伸试验，测定其在常温和低温环境下膜的拉伸力学性能参数。
Firstly, tensile experiment of PVDF-coated architecture membrane was conducted to obtain its tensile mechanical parameter under normal and low temperature environment.
试验结果表明：新设计的拉伸夹具能够在低温环境下很好地测定复合材料力学性能，夹具本身对测量结果无影响。
Testing results showed that the self-designed tensile testing jigs suited for measurement of tensile properties of composite materials at low temperature; the jigs have little effect on the results.
试验结果表明：新设计的拉伸夹具能够在低温环境下很好地测定复合材料力学性能，夹具本身对测量结果无影响。
Testing results showed that the self-designed tensile testing jigs suited for measurement of tensile properties of composite materials at low temperature; the jigs have little effect on the results.
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