In the same pyrolysis condition the pyrolysis velocity of light hydrocarbon obviously decreases with the increase of carbonized degree and increases with the decrease of coal particle size .
在相同的热解条件下， 轻质烃的热解析出 速率随着煤种碳化程度的增高而明显降低，随着煤粉粒径的减小而逐渐升高；
Discussion on the Photocurrent Representation of Photodetector in the Experiment of Measuring the Velocity of Light with Light Beating
关于光拍法测 光速实验中光电流表示式的探讨
CD memory technique is the developing direction of hardware memory one while network memory technique is a method to solve the limit of velocity of light .
光存贮技术是硬件存贮技术的发展方向；网络存贮技术是解决 光速极限的最 有力手段。
An Attempt to Avoid the Postulate of Constancy of the Velocity of Light
避免 光速不变假设的一个尝试
The so-called velocity of light invariable is the light fluctuation speed is invariable .
所谓 光速不变是光的波动速度不变。
Einstein 's theory links energy with mass and velocity of light .
爱因斯坦的理论把能量同质量和 光速联系起来。
The ratio of the velocity of light in a vacuum to that in a medium .
真空中 光速通过中介 物的比。
The method of velocity of light measuring with the CG - ⅲ of light velocity apparatus is improved the measuring accuracy is increased significantly .
对CG-Ⅲ型 光速 测定仪的测量方法作了改进，通过实际测量的 结果 表明，该实验方法改进后， 光速测量的精度有了很大提高。
This thesis introduces a much simpler structure single line defect photonic crystal waveguide . By this structure we reduce internal reflection loss effectively and debase the group velocity of light transmission . Furthermore we sum up theoretical analysis methods of photonic crystal .
本文提出了一种较为简单的结构&单线缺陷光子晶体波导，这种结构有效地减小了内部反射损耗，降低了 光传播的群 速度。
The velocity of light is the ultimate speed limit being part of the very structure of space and time .
作为时空结构的一部分， 光速是终极速度极限。
Experimental Study on Measurement of Velocity of Light by the Fiber Delay Time
利用光纤延时实现 光速测定的实验研究
The velocity of light is as great as that of radio waves in vacuum .
光 的 速度和无线电波在真空中的速度一样快。
The velocity of light is about 300000 kilometres per second .
光速约为每秒300000公里。
Diameter of root circular-arc juncture circle the velocity of light is a constant .
圆的 周长和直径的 比是常数。
By using a fiber to delay the pulse light of CuBr laser velocity of light can be obtained with geometry length of fiber and time interval between two light pulses .
利用光纤对溴化亚铜激光器输出的脉冲激光进行延时，通过常规 测长手段测得光纤的几何长度并用示波器测出两相邻光脉冲间的时间间隔，即可获得 光速。
In recent years researches about the controllable group velocity of light propagation had made many progresses .
最近几年中， 慢 光 和 超 光速的研究取得了很多进展。
This paper presents the experiment and design thinking for measuring velocity of light by using a copper bromide laser .
本文介绍了用溴化亚铜激光器利用 光脉冲法来测定 光速的实验及其设计思想。
The students were asked to calculate the velocity of light .
要求学生计算出 光 的 速度。
When the moving speed of the electric charge is far slower than velocity of light an arbitrary point in space whose density vector 's quantity of translocated current is related to the place vector and its direction is not parallel with the direction of electric field ;
当电荷的运动速度远小于 光速时，空间任意点的位移电流密度矢量的大小与位置矢量r有关，且方向与电场的方向不平行；
The atomic particles resist being accelerated past the velocity of light .
这些原子粒子无法被加快到超过 光速。
Students : The length of the curve making a circle is called the perimeter . the velocity of light is a constant .
生：围成圆的曲线的长度叫做圆的周长。圆的 周长和直径的 比是常数。
Velocity of Light in Dispersive Medium
光在色散介质中的 速度
When the tangential and radial velocity of light source both does not equal 0 the light-wavelength is changeless under certain condition .
当 光源的切向 速度和视向 速度都不为0时，在一定条件下光波波长不变。
Every technical device is always developed to its limit and the ultimate speed for spaceships is the velocity of light .
每一个技术发明都会发展到极限，而宇宙飞船的最终速度是 光速。
Electromagnetically Induced Grating and Control of Group Velocity of Light Pulses Based on Atomic Coherence Effects
基于原子相干效应的电磁诱导光吸收光栅及 光脉冲群 速度调控
According to phenomena observed during total solar eclipse it can be pointed out that the velocity of gravitational field wave is equal to the velocity of light in vacuo .
据日全食时的现象能够得出：在真空中，引力波的传播速度和 光波的传播 速度相等。
The phase velocity of the plasma wave approaches the velocity of light due to the action of the longitudinal electric field .
在这样的纵向电场作用下，等离子体波的 相速接近 光速。
This conclusion provides theoretical and experimental references for controlling the group velocity of light by means of one-photon detuning .
这一研究结果为利用单光子频率失谐控制 光的群 速度提供了理论与实验参考。
The velocity of light is too great to be measured in simple units .
光速太 快，不能用简单的单位来量度。
美[vəˈlɑsɪti ʌv laɪt]英[viˈlɔsiti ɔv lait]
光速