By looking at how the faint light from galaxies behind the cluster they were studying was distorted by that cluster, Dr Jee and his team created a map of the distribution of its mass.
通过观察他们正在研究的星团后星系发出的弱光如何因星团而扭曲,Jee博士和他的团队绘出一张星团质量分布图。
Distribution of light intensity, transmittance of fabrics, speed of rotation, temperature and humidity have influence on the test precision.
光强分布、织物透光、旋转速度、温湿度等都会影响测试精度。
The paper will set up an experimental system, measure the light distribution in two layer tissue phantoms, and compare the experimental results with the Monte Carlo modeling.
本文拟建立一套实验装置,测量双层生物组织模拟体中的光分布,并将实验结果与理论计算的结果进行了比较。
At last the light intensity distribution of Fresnel diffraction at several rectangular apertures is calculated and analyzed.
最后计算分析了多矩孔菲涅尔衍射的光强分布。
A simple method for measuring the time and space distribution of the light pulse intensity is reported.
本文报道了一种简单的测量光脉冲强度的时空分布方法。
To ensure uniform distribution of light, wire joints to be firm, and LED lamp to be reinforced with silica gel to prevent falling off.
要确保灯分布均匀,线接头要牢固,且LED灯要用硅胶加固,防止脱落。
A general analytic expression of light intensity distribution at the observation plane is obtained by means of ambiguity function method. Some special cases are discussed and verified by experiments.
运用模糊函数方法给出系统观察面上一个更为普遍的光强分布数学表达式,并分析讨论一些特殊情况及相应的实验结果。
The distribution curves of light intensity of orthogonal biprism interference is made from experimental results.
通过实验结果作出正交双棱镜干涉的光强度分布曲线。
The intensity distribution of parallel light field produced by paraboloid reflector is analysed and its measured result is introduced.
本文从理论上分析了抛物面反射镜产生平行光场的光强分布规律,并介绍了实际测量结果;
The effects of reaction temperature and space velocity on the cracking gas and liquid product yields and distribution of light FCC gasoline were investigated.
考察了反应温度和空速对催化裂化轻汽油裂化反应气液相收率和产品分布的影响。
The light distribution within the canopy is subject to the leaf area index and the extinction coefficient.
光在冠层内的分布,受叶面积指数和叶片消光系数支配。
A detection method for obtaining the micro bulk defect size in semiconductive materials by analyzing near infrared laser scattering light distribution is presented.
提出了利用近红外激光散射光强分布分析来检测半导体材料内部微体缺陷的检测方法。
Effects of different spacing form, density on structure of population, light distribution and yield of phaseolus vulgaris were studied under the high yielding condition.
研究了在高产条件下,不同行距配置、密度对奶花芸豆群体冠层结构、光能分布与利用特性及产量构成的影响。
The light intensity distribution of diffraction of circular aperture was investigated by numerical analysis.
利用数值分析的方法分析了由边界波理论公式所得的圆形光阑衍射场的光强分布。
The effects of transverse distribution of light field on CO2 laser instabilities are studied by means of light feedback.
利用光反馈研究了光场横向分布对CO_2激光器不稳定性的影响。
Not only White-LED's efficiency, but also its color and light distribution will be affected by changing phosphor's granularity, thickness and size.
通过改变荧光粉层粉体的粒度、厚度、形状、固晶位置等参数,可以改变白光LED的光效、颜色参数和空间光强分布。
Laser light intensity is of Gaussian distribution.
激光束的光强分布为高斯分布。
The variations of object's reflection light induced from illumination variations and uneven illumination distribution greatly reduce the detecting efficiency in the process of color object detection.
彩色目标检测过程中由于环境光照的变化以及分布不均匀会造成物体反射光的改变,使得检测效率降低。
The paper describes the model for calculating the neutron flux density distribution in two dimensional hexagonal geometry assembly of light water reactor (LWR) by transmission probability method.
研究利用穿透概率法求解二维六角形轻水堆燃料组件内中子通量密度分布。
The difference distribution has been derived in the light of conditions of the difference and the shortages of the two basic methods with some explanations.
文中基于原有的两种方法及这两种方法的不足,从理论上导出了满足条件的差值分布,并作了一定的说明。
The use of photosensitive array makes it possible to obtain the distribution of diffracted light intensity with only one sampling.
由于本实验仪的光强采样部分使用了光敏阵列,从而一次采样即可得到衍射光强分布图形。
The effects of light distribution in maize population on grain yield and quality were studied by determining the light distribution character among different plant densities.
通过测定不同种植密度玉米群体的光能分布,研究了群体光能分布特征对玉米产量和品质的影响。
We get the refractive index distribution in the semiconductor versus light intensity in the direction of controlling light.
得出在控制光照射方向上半导体材料的折射率随控制光强度变化而变化的分布情况。
A good roadway illumination requires the LED street light to have a rectangular light distribution pattern just cover the roadway and without any light pollution out of the road.
良好的道路照明要求LED路灯的配光为长方形的光型,路灯发出的所有光刚刚可以覆盖住马路,而马路之外的光污染几乎为零。
In the light of the distribution features and protection status of rare plant resources in the area, some Suggestions about further protection are advanced.
针对珍稀濒危植物资源的分布特点及保护现状,提出了进一步加强保护的建议。
Color derives from the spectrum of light (distribution of light energy versus wavelength) interacting in the eye with the spectral sensitivities of the light receptors.
颜色是光谱(与波长相对应的光能)与眼睛里敏感的光线感受器相作用的结果。
This special positive light and dark distribution method, derived from Taoist philosophy of "all things which have negative yin-yang" point of view.
这种特殊的正面光与明暗分布法,源于道家哲学“万物负阴而抱阳”的观点。
The intensity distribution of three side-pumping light is analyzed inside laser crystal.
分析了激光晶体中三向侧面抽运光的强度分布;
The intensity distribution of three side-pumping light is analyzed inside laser crystal.
分析了激光晶体中三向侧面抽运光的强度分布;
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