[Hazard evaluation modeling of particulate matters emitted by coal-fired boilers and case analysis].

In order to evaluate the hazard of PM2.5 emitted by various boilers, in this paper, segmentation of particulate matters with sizes of below 2. 5 microm was performed based on their formation mechanisms and hazard level to human beings and environment. Meanwhile, taking into account the mass concentration, number concentration, enrichment factor of Hg, and content of Hg element in different coal ashes, a comprehensive model aimed at evaluating hazard of PM2.5 emitted by coal-fired boilers was established in this paper. Finally, through utilizing filed experimental data of previous literatures, a case analysis of the evaluation model was conducted, and the concept of hazard reduction coefficient was proposed, which can be used to evaluate the performance of dust removers.

[Analysis on the Shanghan new theory phenomenon in the Republic of China].

During the Republic of China, influenced by the introduction of western medicine and the special social, cultural and political background, research on Shanghanlun has presented different features from those before. This phenomenon was called 'Shanghan new theory phenomenon' for this kind of theory tried to expound Shanghanlun from the view point of western medicine or ancient formula school in Japan. Shanghan new theory phenomenon had the following characteristics: the academic viewpoint of this new theory and the edition of Shanghanlun were both influenced by the ancient formula school of Japan; emphasis was put on empirical study. With academic concern, doctors in the Republic of China put forward new theories regarding what are the six meridians, etiological theory, mechanism of herbal medicine for infection, mechanism of TCM formula and comparison between TCM and western medicine. As for its historical role, the new theory school was the main force in TCM academic development and played a role in the debate about whether TCM was scientific and whether it should be abolished. It was also valuable in the combination of TCM and western medicine and diversification of researches on Shanghanlun.