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1)  gutter Ball
落沟球
2)  falling ball
落球
1.
By discussion of the globule movement in the liquid of viscosity, the paper provides theoretic basis for making and improving the experimental instrument of the falling ball coefficient of viscosity.
通过对小球在粘滞液体中运动情况的探讨 ,为设计制作和改进落球式粘滞系数实验仪提供一定的理论依
2.
The falling ball method for testing the impact property of thermoset molding composite was researched.
研究了热固性模塑料冲击性能的落球测试法,通过选择不同落球起始高度及和不同质量规格落球进行对比试验,并对实验结果进行分析。
3)  Luoshigou Formation
落石沟组
4)  Rocky Mountain Trench
落矶山地沟
5)  Ryukyu trench
琉球海沟
1.
Tectonics and motion of the Ryukyu trench;
琉球海沟的构造和运动特征
2.
Two subduction zones, the Ryukyu trench and Manila trench, exist in the East Asia continental margin.
东亚大陆边缘自北向南发育了琉球海沟和马尼拉海沟等俯冲带。
3.
The gravity anomalies, geoid undulation and its residuals to EGM96 in the Western Pacific obtained from satellite altimeter data, consistently indicate that subduction activities of the Ryukyu trench are not as strong as other trenches around the Philippine Sea, and are weaker in the south than in the north.
由卫星测高数据推断的西太平洋重力异常、大地水准面及残差均一致地指示琉球海沟的俯冲构造活动强度比环绕菲律宾海的其他海沟要弱,琉球海沟本身又南弱北强。
6)  ball (race) groove,raceway of balls
钢球沟道
补充资料:落球黏度计
分子式:
CAS号:

性质:根据斯托克定律,测定已知质量的小球在流体四下落的速度求取黏度的装置。又称圆筒型下落式黏度计。该黏度计由一个大的有刻度的圆筒组成,圆筒配有橡皮塞,塞中间有一根玻璃管,以使球能放入其中。球由钢质及一系列其他密度的材料组成,操作简单,仅适用于牛顿流体。球在牛顿流体中下落,其下落速度与流体黏度服从斯托克定律:式中η为流体黏度,又称斯托克黏度;D为球直径; ρ主球密度;ρ′为流体密度;g为重力加速度;V为球下落速度。

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