Solid Angle

The computational method of solid angle and surface integral in integral equation

积分方程中对空间立体角及曲面积分的计算方法

Development of a set of low temperature and small solid angle alpha spectrometer

低温小立体角α谱仪的研制

Comparison of direct and indirect methods for solving solid angle coefficients

直接法与间接法求解固角系数的比较

Study about Gas Discharge at Solid Angle and Emulsion Drive Fan Equipment

上隅角瓦斯排放乳化液驱动风扇装置试验研究

Radioactivity Measurement of α - nuclides by Small Solid Angle Method

小立体角α核素活度测量装置的研制

A large solid angle multi - parameter ionization chamber

大立体角多参数电离室

Preliminary discussion on gas treatment at solid angle of U shape ventilation heading stope

U型通风回采工作面上隅角瓦斯处理方法初探

The computational method of integration for solid angle on cross section of the elliptic waveguide

椭圆形波导管中对空间立体角积分的计算方法

Revision of solid angle in radiation measurement

辐射测量中的立体角修正

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。

The Solid Angle Revision of the Magnetic Field Integral Equation with Linear Triangle Basis Functions in Moment Method

磁场积分方程矩量法中基函数的立体角修正

Solid Angle of the Multidimensional Space

多维空间的立体角

Large Solid Angle Bragg Detector

大张角的Bragg探测器

Detection efficiency of mica for fission fragments under the geometry with the solid angle less than

在立体角小于2π条件下云母探测裂变碎片的效率

Calculation of solid angle of pixels of IRFPA detector under circular cold shield and its imaging simulation

圆形冷屏下红外焦平面探测器光敏元立体角的计算及其成像仿真

Computing method of integration in the boundary element method (ⅰ) the computation of integration for solid angle on a surface of cylindrical boundary

边界元素法中有关积分的计算方法（Ⅰ）柱状边界条件下对空间立体角积分的计算

Study on Ray-tracing Simulation in Solid Angle Way and Parallel Computation with Frequencies and the Application in Auditorium Acoustics Design

厅堂音质设计中声线模拟立体角分频并行计算和应用研究

It covers geometrically 86 % of the 4 π solid angle and has very low detection thresholds .

总立体角覆盖约86%的4π以及有一个很低的能量探测阈。

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 quality of the radioactive sample can be measured and α count definitely with small solid angle device , thus to put out the quality of sample .

放射性样品的质量可用小立体角装置绝对测量α计数，从而可以推出样品的质量。

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。

It was found that the coherent length became shorter and the spectrum resolving power became lower as a result of solid angle produced by the extended light source .

分析表明，扩展光源存在的立体角导致系统的相干长度变短，光谱分辨率降低。

Laser beam is propagated in the long range and diffused by the target in the solid angle n. So the real reflected optical energy is very weak .

激光束经过远距离传输，又经目标漫反射（在立体角π内都反射能量），实际返回的光能很弱。

Using the grid ionization chamber method and small solid angle method , the number of 238 U nucleus in the highly pure U 3O 8 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。

When put forward the concept of critical angle for the large displacement cross-section design of wells to determine the key parameters of solid angle provides a theoretical basis and selection range .

临界稳斜角概念的提出，为大位移井剖面设计时确定稳斜角这一关键参数提供了理论依据和选择区间。

The spectrometer has a maximum acceptance of solid angle 5 × 10 - 4 sr , a momentum range 0.2 & 1.3GeV/c .

该磁谱仪的接收立体角5×10-4sr，动量范围0.2&1.3GeV/c。

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。

The conclusion that integration of solid angle for lateral surface of a cylinder can be turned into integration for bottom surface is applied to change the integral equation into discrete equation .

利用柱侧面对空间某点所张立体角的积分可转化为柱底面对空间某点所张立体角积分的结果，将电测井积分方程离散化。

Different from the traditional electrostatic spectrometer , higher detection efficiency can be achieved in the new type spectrometer and all electrons ( in 4 π solid angle ) with any energy can be detected in single measurement .

与传统的静电偏转谱仪相比，具有探测效率高的特点。可以探测4π立体角内的任意能量的所有电子。