测试中采用一种新的消光法，使测量过程简单可靠。
The new measuring process which is based on null measurement is simple and reliable.
介绍了多波长消光法测尘的测量原理。分析了计算机辅助粉尘检测系统和工作原理。
A multi-wave-length extinction detection method for dust is put forward. Then the principle and a principal designing scheme are given.
测量结果与消光法测量进行对比，表明该方法应用到颗粒粒度大小测量是切实可行的。
The ultrasonic measurement results are compared with light extinction method measurement, which shows this method has a good foreground for particle sizing.
提出了用光透消光法(或称全散射法)对颗粒尺寸及其分布进行实时在线测量的方法。
A new on-line method to determine the particle size distribution using light ex-tinction is proposed in this paper.
第三章对此磁致偏振特性测量系统的搭建及工作原理（消光法）、影响测量结果的因素及解决方法、实验操作步骤等作了说明。
So the third chapter focuses on the measuring system. The operating principle (Light extinction method), the factors which influence the result and the resolvent to avoid them are explained.
光阻法颗粒计数器是利用颗粒对光的消光作用来实现对颗粒的计数功能。
Light-blockage particle counter realizes take count of the number of particles by the particle's extinction for light.
较差消光改正也不能用常法进行处理。
Differential extinction can not also be corrected by the conventional method.
消光起伏相关频谱法(TFCS)是一种新的颗粒测量方法。
Transmission fluctuation correlation spectrometry (TFCS) is a new method for particle analysis.
消光系统在光脉动法颗粒粒径测量技术中是一个十分重要的物理量，但现有的消光系数处理方法有许多不完善的地方。
Extinction coefficient is a very important parameter in the field of particle sizing technology using optical fluctuation method. But the existing method dealing with it is not perfect.
消光系统在光脉动法颗粒粒径测量技术中是一个十分重要的物理量，但现有的消光系数处理方法有许多不完善的地方。
Extinction coefficient is a very important parameter in the field of particle sizing technology using optical fluctuation method. But the existing method dealing with it is not perfect.
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