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1)  critical space velocity rising from cavity
空腔临界空速
1.
Industrial computation of critical space velocity rising from cavity in radial flow moving beds for flue gas purification
烟气净化径向移动床空腔临界空速行为的工程计算
2)  critical annular velocity
临界环空流速
1.
Mechanics model of critical annular velocity for cuttings transportation in deviated well
斜井岩屑运移临界环空流速力学模型
3)  critical space
临界空间
1.
There are similarities between TV s message transmission with its unique artistic representation in critical space and classroom teaching.
电视的信息传递功能和独特的艺术表现性在临界空间上与课堂教学具有相似性。
4)  critical cavitation factor
临界空化数
1.
According to the performance curve,the influence of critical cavitation factor σc,convergent angleα,area of suction nozzle A1,ratio of length to diameter of throat L2/D2 and jet vortex intensity J on the cavitation performance of annular .
根据环形射流泵的特性曲线,论述了临界空化数σc、收敛角α、吸入头的面积A1、喉管长径比L2/D2和射流涡旋强度J对环形射流泵空化性能的影响;通过分析这些影响,得到了一些有用的结论和公式,从而提出改善环形射流泵空化特性的一些建议,为高效环形射流泵的设计提供了理论依据。
2.
096 is critical cavitation factor for this shape head at standard atmospheric pressure;With the decrease of cavitation factor,the length of supercavitation gradually increases in the body and the total drag coefficient gradually reduces;Supercavitation has good drag-reducing properties and its the drag reduction ability can achieve to 59% ~ 75% for this shape head.
096是该种头型的临界空化数;随着空化数的减小,超空泡在弹体上的长度逐渐增大,总阻力系数逐渐减小;超空泡具有很好的减阻特性,对于该种头型,减阻能力达59%~75%。
5)  critical air void
临界空隙率
1.
Tests show that clay in fine aggregate affected the water stability of asphalt mixture markedly;the permeable critical air void is 7.
试验表明,集料泥土污染对沥青混合料水稳性影响显著,沥青混合料的渗水临界空隙率为7。
6)  critical cavitation number
临界空泡效
补充资料:空腔
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性质:(一)用于产生黑体辐射的实验室装置。通常作为与红外辐射光源进行比较的标准。由闭合金属管内部涂黑组成,在管的一端平板上开一个窄缝,当管子被加热时,由狭缝射出的辐射,从实际上和理论上均与预期的黑体辐射相同。(二)在掩模版安装保护膜工艺中,在被安装的保护膜框架面积内,光掩模板与光学透明薄膜之间的未填充空间。

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