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气体检测有气相色谱法、非色散红外法、电化学电极法、光声光谱法、半导体气敏电极法、催化燃烧法、热导法、光离子化法等。光腔衰荡光谱法(CRDS)是一种新型的气体检测方法。它从原理上不需要标准气体标定,是极具潜力的痕量气体参考级测量方法。CRDS又叫光腔衰荡激光吸收光谱法,是一种高
Gas detection gas chromatography, non-dispersive infrared method, electrochemical electrode method, photoacoustic spectroscopy, semiconductor gas sensing electrode method, catalytic combustion method, thermal conductivity method, photo-ionization method. Cavity ring down spectroscopy (CRDS) is a new gas detection method. It does not require standard gas calibration in principle and is a highly potential reference method for trace gas measurement. CRDS, also known as optical cavity ring down laser absorption spectroscopy, is a high