1) line source
线源
1.
The atmospheric diffusion of the line source is simulated using this model, showing that the ground concentration is much different and the vertical concentration difference is small between the flyover and the highway.
用该模式模拟公路线源的大气扩散,结果表明,高架路和一般公路的污染在地面浓度上差异较大,而在垂直方向上差异较小。
2.
To predict the pollutant concentration from automobile emission, a dispersion prediction model of line source at static wind was yielded from the simplified Gaussian puff model.
为了预测汽车排放污染物的浓度,应用简化的高斯烟团模式得到静风条件下的线源扩散预测模式。
3.
Based on the traditional Gaussian dispersion theory,a method has been proposed to calculate the dispersion of line sources of air pollution caused by vehicles runing on road.
在传统的高斯扩散理论基础上,提出了一种计算线源扩散的方法:将公路线源分成若干存在初期扩散的单元,每个单元近似成一个过单无中心点与风向垂直的短子线源,它的扩散按高斯垂直风模式计算,测点的浓度是若干子线源的贡献之和。
2) line sources
线源
1.
Then the author uses the result to design the arrangement of line sources and sinks in conjunction with a uniform flow.
通过线源与线汇及均匀流动的叠加,得出了轴对称物体三维流场的近似解。
2.
Further, the transmission efficiency of sources with different diameters and line sources can be calculated by the results of the point source.
系统阐述了如何由有限大小面源测得的透镜传输效率计算点源的传输效率 ,并进而由点源的传输效率计算各种规格面源和线源的传输效率 。
3) Linear source
线源
1.
Interconversion between linear source resistivity and point source resistivity with the use of matrix method.;
应用矩阵法实现线源与点源电阻率数据间互换
2.
The calculating formula of the linear source strength of CO, NO x and hydrocarbons (HC) as well as the paramete.
根据实测数据用线性优化的方法求得了分类机动车 (轻型车、中型车、重型车和摩托车 )污染物排放因子 ,提出了公路线源机动车CO、NOx 和 HC排放强度的计算方法及其各参数的取值。
4) linear source
线源,线状源
5) mains antenna
电源线天线
6) linear light source
线光源
1.
Glancing incidence measuring index of refraction of prism with linear light source;
采用线光源的掠入射法测量棱镜折射率的方案
2.
Using light-emitting diode (LED) array, a larger scale linear light source was designed.
采用发光二极管阵列构造线了一种大尺度线光源,文中分析了发光二极管阵列光源能量在空间上的分布,用光照度计实测能量分布数据,以二维坐标给出了能量平面分布图。
3.
Genetic Algorithms to find glints on a surface when design linear light source for automotive lamp is proposed.
经过多次试验确定遗传算法中所涉及参数的值,最终找出抛物面上的特殊反射点,建立线光源发光功率(P)和线光源长度(L)的函数关系,求出最低功率时线光源的长度。
补充资料:X线源
X线源
X线成像设备的元件之一。X线发生装置。医用X线源具有三个主要特征:①可提供高能量,可提供X线摄影需要的必要的光子量。②点源,X线源(焦点)的截面积宜尽可能的小,为一“点源”。③可提供尽可能窄的X线光谱,当然理想的应提供单一能量光谱(单色光),但事实上是不可能的。X线源提供的由单一能量级的光子构成的X线束称单色光,由不同能量级的光子构成的X线束称多色光。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条