在星云内部，恒星的热核仍然存留着——其由重力挤压成了高密度物体——即温度超过180,000华氏度(100,000摄氏度)的白矮星。
Within this nebula, the hot core of the star remains-crushed to high density by gravity-as a White Dwarf with temperatures over 180,000 degrees Fahrenheit (100,000 degrees Celsius).
实验表明：材料挤压强化主要是形成位错密度很高的胞状结构。
The experimental results show that the hydrostatic extrusion strengthening results from high dislocation density.
结果表明挤压一次后，晶粒内位错密度急剧增加，形成位错纠缠，晶粒细化效果最明显；
The results show that grain size is significantly refined due to the sharply increases of dislocation density in grain resulting in dislocation tangle after one-turn pressing.
结果表明，随着铜含量的增加，热挤压坯料的相对密度增加，同时相对导电率、相对热导率和硬度值也提高。
The experimental results show that the relative density, hardness, relative specific conductance and heat conductivity of the billets are increased with increasing percentage composition of Cu.
讨论了聚氨酯软泡沫塑料的隔热机理和导热系数计算模型，对影响隔热性能的因素，如温度、密度、挤压、吸水率、环境压力等进行了分析。
The mechanism of transmit heat and the calculation model of the thermal conductivity of the soft polyurethane foam have been discussed and the affect factors of the thermal conductivity.
需要的薄膜是具有好的抗挤压的己烷低密度聚乙烯及低密度聚乙烯产品。
Required film is a hexene LLDPE and LDPE product that possesses good puncture and impact resistance.
研究了氮气雾化316L粉的真空碳热还原烧结规律和挤压坯密度对热挤压工艺和挤压材性能的影响。
Vacuum carbothermal reduction of N2 -atomized 316l powders and effects of green compact density on hot extrusion and properties of extruded products were investigated.
研究了氮气雾化316L粉的真空碳热还原烧结规律和挤压坯密度对热挤压工艺和挤压材性能的影响。
Vacuum carbothermal reduction of N2 -atomized 316l powders and effects of green compact density on hot extrusion and properties of extruded products were investigated.
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