Absorption loss due to high harmonics of C-H vibrations, the primary loss factor in PMMA POF, was analyzed and calculated. And the results were consistent with measured datas.
通过对PM MA塑料光纤中的主要损耗因素C -H谐波吸收进行了理论分析，并进行了定量计算，结果与实际测量数据一致。
Water vapour and clouds are the primary variables modulating direct solar absorption.
水汽和云是调节直接太阳吸收的主要要素。
Based on the light absorption property of the formed suspended particle a new method for determining NH3-N by primary-secondary wavelength spectrophotometry was developed.
用依据悬浮颗粒对光吸收原理建立显色反应的主次双波长光度测定氨氮(NH_3 - N)新方法。
The primary biological law, the absorption of union alkali and the physical law of governmental sewage treatment plant producing odor gas such as H2S, CH4 were emphatically studied.
进行了以生物法为主，结合碱吸收和物理法治理污水处理厂产生的H2S、CH4等恶臭气体的研究。
The method for theoretical calculation of parametric transient signal array, in which the nonlinear absorption of primary wave has been taking into consideration, is presented.
提出考虑到非线性吸收时计算暂态信号参量阵的计算方法。
The positive rate of HRA absorption assay was significantly higher in rheumatic heart disease than that in primary myocardiopathy or viral myocarditis ( P< 0 01).
吸附后风心病的阳性率明显高于原发性心肌病或病毒性心肌炎（P<0 0 1）。
The positive rate of HRA absorption assay was significantly higher in rheumatic heart disease than that in primary myocardiopathy or viral myocarditis ( P< 0 01).
吸附后风心病的阳性率明显高于原发性心肌病或病毒性心肌炎（P<0 0 1）。
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