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1)  variable-density wind tunnel
变密度风洞
2)  density channel
密度风洞
3)  low density wind tunnel
低密度风洞
1.
The experiment was conducted in hypersonic low density wind tunnel,a type of high sensitivity external microbalance had been designed,both problems of temperature proof and high accuracy calibration were solved,Aerodynamic data of sphere-bicone configuration had been measured under simulating altitude 65km~75km and hypersonic flow conditions.
风洞试验在高超声速低密度风洞中进行,设计了高灵敏度的外式微量天平,解决了温度防护和高精度校准的问题,得到了球双锥外形在高度65km~75km、高超声速流动的气动力数据。
4)  high-density wind tunnel
高密度风洞
5)  Density caviton
密度空洞
1.
In this paper, using the method of numerical simulation, the nonsteady, nonlinear interactions between moving body and plasma have been studied in detail,and the distributions of electric field and density caviton are obtained.
计算结果显示 ,在飞行器的尾区 ,飞行器上的天线系统可以作为调制不稳定性的激发源 ,激发出可探测的密度空洞和电磁孤波 。
6)  Burrow density
洞穴密度
补充资料:线型低密度聚乙烯/低密度聚乙烯共混物
分子式:
CAS号:

性质:系由线性低密度聚乙烯与低密度聚乙烯组成的共混物,20%的低密度聚乙烯可显著改善线性低密度的加工性能,提高薄膜韧性和透光性,当低密度聚乙烯达50%时,可提高薄膜撕裂强度和断裂伸长率。可通过粒料直接掺混制备。主要用于吹塑农膜、包装膜及挤出包覆电缆。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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