The shock wave overpressure and impulse at the same testing point of three explosives were compared.
比较了3种炸药在相同测点处的冲击波峰值超压和冲量的大小。
The result shows that there are two peak values, the first one is explosion wave pressure; the second is caused by the hot gas, which is heated by the subsequent flame.
研究结果表明,管内瓦斯爆炸过程中所产生的爆炸波有两个峰值,第一峰值为爆炸波压力,第二峰值压力为火焰到达后加热气体升压所致。
The results show that the cutting force of the vibratory tapping has the feature of desired wave, the peak value of the cutting force is a little lower than the traditional tapping and the mean value of the cutting force is only half to one fifty of the traditional tapping.
结果表明采用振动攻丝切削力呈现出理想的波形化效果 ,切削力峰值略低于普通攻丝 ,切削力平均值为普通攻丝的 1 /5～ 1 /
Objective To investigate the relationship between the peak value of contrast media reaching abdominal aorta andpatients’ factors.
目的探讨造影剂到达腹主动脉的峰值大小与患者因素之间的关系。
Variability of female peak bone mineral density at different skeletal regions and its effect on diagnosis of osteoporosis;
女性不同骨骼部位峰值骨密度的变异度及其对诊断骨质疏松的影响
The relationship between the vent size of fire room and smoke concentration at the distant location is investigated experimentally by considering the peak of CO concentration and time to the peak.
通过实验较系统地研究了火源房间烟气出口面积与远离火源位置烟气浓度的关系,主要探讨了一氧化碳浓度峰值的大小和到达峰值的时间与烟气出口流通面积和燃料质量的关系,并给出了初步的分析解释。
Objective To investigate the relationship between physical exercise and peak bone density.
目的研究运动与峰值骨密度的关系。