column density

• 1. 柱密度: column density
• 2. 支柱密度: prop density
• 3. 梯型密度柱: density gradient column

更多释义

• 1.采用药柱密度测量技术和密闭爆发器试验，分析了试样的损伤程度，并对损伤装药的燃烧性能进行了研究。
  The effects of physical dimension(inner diameter and length-to-diameter ratio) on the combustion performance of a tubular variable-burning-rate gun propellant were investigated by closed bomb test.
  dict.yoduao.com
• 2.利用气体型流体进行欠平衡钻井，或钻易漏地层时，流体密度及井下液柱压力的确定十分重要。
  When underbalanced drilling or drilling easy leaky zone by using aeration fluid, the determination of fluid density and downhole fluid column pressure is very important.
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• 3.结果表明，施加水再压缩对提高等离子弧柱的能量密度和稳定性、进而提高陶瓷件切割质量非常有效。
  It is shown that the water constriction is effective on improving the energy density and stability of the arc, so the cutting quality can be improved also.
  dict.yoduao.com

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