本文根据粉尘的光学性能、电离性能、穿透性能提出了三种不同类型的粉尘浓度检测、报警设备。
This paper introduces three types of concentration-detecting and alarm systems based on the optical, ionizing and penetrating properties of flour dust.
讨论电离损伤对CCD性能的影响和解决方案。
After that, the CCD damage by ionization effects is discussed.
本文介绍了测量金属及非金属材料厚度的测厚电离室系列的原理、结构及各种性能。
This paper introduces the principle, construction and performances of ionization Chambers for measuring the thickness of metal and nonmetal materials.
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