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1)  critical cavitation coefficient
临界空化系数
1.
Accurate confirmation of hydro-turbine output with critical cavitation coefficient;
利用临界空化系数精确确定水轮机出力
2)  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%。
3)  critical branching coefficient
临界支化系数
4)  critical coefficient
临界系数
5)  critical twist factor
临界捻系数
1.
The critical twist factors of two sorts of soybean protein yarn made from different manufacture means are tested and analyzed,the corresponding regression equation,regression curve and the maximum of regression curve are concluded.
对两种不同纺纱方法得到的大豆蛋白纤维纱线的临界捻系数进行了测试与分析 ,并得到了实际测试曲线的回归方程、回归曲线以及回归曲线的极值。
2.
To investigate the relationship between strength and the critical twist factor of rotor-spun yarn,yarns made of cotton,polyester and newdal were tensile-tested,then the curve of twist factor coefficient and strength,regression equation and critical twist factor of yarns.
为探讨转杯纱强力与临界捻系数的关系,试制棉、涤纶、纽代尔三种原料的转杯纱,并进行拉伸试验,进而得到三种纱线的捻系数-强力关系曲线、回归方程和临界捻系数。
6)  critical flow coefficient
临界流系数
补充资料:临界支化系数
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性质:在非线性聚合反应中,生成无限网状结构和发生凝胶化时的支化系数值。可通过计算预知。例如在两官能团单体A-A和B-B与多官能团单体Af(f是官能度)聚合时,临界支化系数o,等于1/(1-f)。结合支化系数与转化率之间的关系,可以计算出发生凝胶化的临界转化率。

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