立体角

在弱共价键化合物中，占据座位SAS（立体角系数扣）值最太的异构体有利于配体堆积。

In weak covalent compounds , the isomer with the maximum SAS ( Solid Angle Factor Sum ) of the ligand-occupied seats is more favourable for ligand packing .

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。

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 .

另外，利用几何光学方法得到了激光光束在X方向、Y方向以及空间立体角上的漂移大小。

The amount of the drift in X direction , Y direction and in spatial angle can be obtained through geometrical optics .

本文利用混响声场吸声系数α、立体角、平均自由程及壁面吸收声能等统计声学概念，用简单方法导出混响声场吸声系数α与统计能量分析（SEA）损耗因子η之间的关系。

Relation between acoustical absorption coefficient α and loss factor η in reverberant field with statistical energy analysis ( SEA ) was derived using concise statistical acoustical concepts , such as acoustical absorption coefficient α, three-dimension angle , mean free path and surface absorption energy .

低能OTR的分布不像高能时那样集中于反射方向附近一个极小的角度内，而是在沿反射方向的很大的立体角内分布，且斜入射时强度分布极不对称。

The distribution of OTR in low energy region does not concentrate in a very small solid angle in direction of reflection just like in high energy region , but distribute in a large solid angle . And it is very asymmetry in the case of oblique incidence .

本文把复变函数论中著名的Poincare-Bertrand公式拓广到闭逐块C（1）光滑流形上Bochner-Martinelli型奇异积分的含有点ζ的立体角系数α（ζ）的更一般的置换公式。

In this paper , we expand the well-known Poincare - Bertrand formula in the complex function theory to the general replacement formula of singular integral of Bochner-Martinelli type which contains the solid angle coefficients α(ζ) of the point ζ on a closed piecewise C ( 1 ) smooth manifold .

小立体角α核素活度测量装置的研制

Radioactivity Measurement of α - nuclides by Small Solid Angle Method

积分方程中对空间立体角及曲面积分的计算方法

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

超短脉冲数字全息术中的立体角分复用技术

Spatially angular multiplexing in ultra - short pulsed digital holography

低温小立体角α谱仪的研制

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

大立体角多参数电离室

A large solid angle multi - parameter ionization chamber

非同向互作用声光可调谐滤光器的立体角孔径

Solid Angular Aperture of Non-collinear Acoustooptic Interaction Tunable Filter

从平面角和立体角讨论静电场中的某些电场等价性

Some equivalence in the electrostatic field based on the plane and solid angles

辐射的平均强度简单地说是总的辐射功率被4π立体角除。

Average radiant intensity is simply the total radiated power divided by 4 π sterad .

辐射测量中的立体角修正

Revision of solid angle in radiation measurement

椭圆形波导管中对空间立体角积分的计算方法

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

上抛和下落立体角反射器方法

Up and down corner cube method

在立体角小于2π条件下云母探测裂变碎片的效率

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

多维空间的立体角

Solid Angle of the Multidimensional Space

立体角就是这个分量除以这条线的长度的平方。

The solid angle is this component divided by the square of the length of this line .

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

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

总立体角覆盖约86%的4π以及有一个很低的能量探测阈。

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

全方位视觉系统能一次性获取180度立体角内的场景图像。

Omni-directional vision system can one-time obtain the 180 degree image of the scene in the three-dimensional angle .

磁场积分方程矩量法中基函数的立体角修正

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

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

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

0.1μm激光尘埃粒子计数器中点光源大立体角反射成像弥散斑及其处理

Reflexive Speckle Image of the Point Light Source in the Laser Airborne Particle Counter for 0.1 μ m and Its Processing

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。

Light collecting efficiency of PMT in the position is in proportion to solid angle of the PMT at the position .

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 ratio of the flux emitted within the solid angle defined by the beam spread , to the bare lamp flux .

该磁谱仪的接收立体角5×10-4sr，动量范围0.2&1.3GeV/c。

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

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

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