测定了不同铸造压力下adc12 Z压铸件密度、孔洞面积百分比、孔洞平均直径及力学性能，研究了铸造压力对ADC12 Z压铸件孔洞和力学性能影响。
It was measured that the density, area percentage and average diameter of porosity and mechanical properties of ADC12Z die castings under the different casting pressures.
结果表明，改性体系的热分解分两个明显不同的过程进行，两个过程有不同的动力学参数，并且改性体在它们中的失重比与体系中PUR和有机硅的质量比也不相同。
They have different kinetic parameter respectly and the ratio of loss of mass in two process is different from mass ratio between PUR and polysilicone in the PUR polysilicone system.
研究砂土在沿着应变增量比(侧向应变增量与轴向应变增量的比值)为常数的路径加载时的力学响应具有十分重要的意义。
It is of vital importance to study the mechanical response of sand in strain-path controlled tests during which the ratio of lateral to axial strain increments is kept constant.
结果表明：共混膜组分之间相容性良好，综合力学性能比单一组分有所提高。
The results show that the compatibility of the blend films is good, and the comprehensive mechanical properties are improved compared with those of single component.
结果表明：共混膜组分之间相容性良好，综合力学性能比单一组分有所提高。
The results show that the compatibility of the blend films is good, and the comprehensive mechanical properties are improved compared with those of single component.
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