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Volatile organic compounds (VOCs) are an important class of air pollutants in aircraft cabin. The present study aimed to measure the VOC concentrations and determine possible correlations between selected VOCs in samples of 14 domestic flights in China. Alkanes and alkenes, aromatics, and aldehydes were the most abundant compounds on 9 flights, 4 flights, and 1 flight, respectively. Nineteen primary...
Much research has been done on construction safety cost. However it is always on a qualitative level, little quantitative research has been done, especially on the safety cost of water conservancy construction project. In this paper, by the combined use of grey correlation model and optimal safety cost model which is under dialectical understanding, a dynamic management model on the safety cost of...
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