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- Keywords upper solid angle;gas transfinite;exhaust fan; 上隅角;瓦斯超限;抽出式风机;
- upper solid angle 上隅角
- A large solid angle Bragg-curfe Spectrometer(BCS) is introduced in this paper. 本文介绍的大张角Bragg探测器的张角为±8°的锥形腔体。
- The unit of solid angle adopted under the System International d'Unites. 国际单位制采用的立体角度单位。
- The solid angle is this component divided by the square of the length of this line. 立体角就是这个分量除以这条线的长度的平方。
- It covers geometrically 86% of the 4t solid angle and has very low detection thresholds. 整个探测器系统轴向对称排列，工作在真空中。
- Light collecting efficiency of PMT in the position is in proportion to solid angle of the PMT at the position. 光电倍增管对于某位置的光收集效率与光电倍增管对此位置所张的立体角成正比。
- The ratio of the flux emitted within the solid angle defined by the beam spread, to the bare lamp flux. 由光束角限定的立体角内辐射出的光通量与裸光源光通量之比。
- The brightness or luminance of an object is defined as the luminous flux emitted per unit area of the object into unit solid angle. 物体的亮度或发光率定义为物体面积发射到单位立体角内的光通量。
- Lumen: The unit for measuring luminous flux. One lumen is the flux emitted in one solid angle by a point light source of one candela. 流明:量度光通量的单位。1流明是由1烛光的点光源在1立体角内所发出的通量。
- Using the grid ionization chamber method and small solid angle method,the number of 238U nucleus in the highly pure U3O8 sample is determined. 用屏栅电离室法和小立体角法测量了高纯度U3O8样品中的238U核素数目。
- By using a coherent state method,we prove that the geometric phase of the spinor in rotating magnetic fields to be one half of the solid angle that the spinor states sweep. 运用相干态方法，本文证明了中子在旋转磁场中的几何相位是粒子态矢量在态空间中扫过的立体角的一半，同时提供了一种几何相位在周期演化中的简单算法。
- Abstract: Using the grid ionization chamber method and small solid angle method,the number of 238U nucleus in the highly pure U3O8 sample is determined. 文摘:用屏栅电离室法和小立体角法测量了高纯度U3O8样品中的238U核素数目。
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- We solved at the same time a pure mathematical problem by physical procedure i. e. calculating the solid angle subtended by a circular plate to any point in the space. 同时,用物理学方法解决了圆盘面对空间任意点所张的立体角的计算问题。
- I'd like a room on the upper level. 我想要楼上的房间。
- My hometown is in the upper reaches of the river. 我的家乡在这条河的上游地区。
- A solid angle. 立体角
- He locked his diary in the upper drawer. 他把日记锁在上层抽屉里。
- He have tattoo the name "marlene" on his upper arm. 他将＂玛琳＂这个名字刺在臂的上方。
