求文档:total sulphurr dioxide

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Simulation investigations on the marble deterioration by sulphur dioxide--《Journal of Environmental Sciences》1991年01期
Simulation investigations on the marble deterioration by sulphur dioxide
【摘要】：正 This paper deals with investigations on corrosion of marble SO2. We have simulated oxidation of SO2 by photochemical process in the atmosphere. The experiments indicate that formation of SO3 aerosols is related to the concentration of SO2, the UV light intensity, the time of irradiation and the humidity of the air. The corrosion feature of surfaces of the marble and the depth profiles of sulphur were obtained by SEM (Scanning electron microscope), EDXA (Energy-dispersive X-ray analyzer) and SIMS (Secondary ion mass spectrometer). The results of experiments show the corrosive extent of marble depends on its compositions and microareas of marble, which contain lower silicon content can be easily corroded by SO2.
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INTRODUCTION 玩China there are Plenty of marble statues and marble forests of stele:which reeord theChinese eivilization of long standing.But the ealligr即hy of the words and the shapes of thenlarble earvings are盯adually beeoming blurred.Definitely, thi
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杨圣杰,陈莎,袁波祥;[J];北方交通大学学报;2001年06期
张小曳;[J];第四纪研究;2001年01期
刘明哲,魏文寿,高卫东,周宏飞,Sadayo Y[J];干旱区地理;2003年04期
李德禄,张元勋,李爱国,王荫淞,张桂林,李燕;[J];核技术;2005年02期
何凌燕,胡敏,黄晓锋,张远航;[J];环境科学学报;2005年01期
迟旭光,狄一安,董树屏,刘咸德;[J];中国环境监测;1999年04期
段凤魁,刘咸德,鲁毅强,王林,贺克斌;[J];中国环境监测;2003年01期
刘广深,洪业汤,朴河春,曾毅强;[J];矿物学报;1996年04期
张仁健,徐永福,韩志伟;[J];科学通报;2003年07期
杨复沫,贺克斌 ,马永亮,张强,姚小红 ,Chak K. Chan, Steven Cadle, Tai Chan,Patricia M[J];清华大学学报(自然科学版);2002年12期
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Sulphur Dioxide and Nitrogen Oxides in I...
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Sulphur Dioxide and Nitrogen Oxides in Industrial Waste Gases: Emission, Legislation and Abatement作者： Van Velzen, DanielISBN13： 3类型： 平装出版日期： 出版社： Springer页数： 281重量（克）： 412尺寸： 234 x 156 x 15 mm
D. VAN VELZEN Commission of the European Communities, Joint Research Centre Ispra, Environment Institute, 1-21020 Ispra (Varese) ITAL Y 1. Introduction Worldwide, there is an ever increasing interest and concern about the destructive effects of air pollution on man's ecosystem. The growing awareness of these effects has revealed the need to take adequate measures to minimize the emission of air polluting products. The two most important contaminants, occurring in the largest concentrations and quantities, are sulphur dioxide and nitrogen oxides. Both pollutants are formed mainly during the combustion of fossil fuels, particularly by power stations and traffic. The effects of air pollution caused by these two contaminants have already been studied for several decades and measures to protect the environment against their adverse effects are now operative in many countries. The present volume contains the proceedings of a Eurocourse held in Ispra in September 1990. The course was meant to give an overview of present knowledge concerning the emission sources and quantities, to cover features of present legislation and to give a survey of the most important modern abatement techniques for S02 and NOx. It was mainly addressed to higher and medium management in the power, chemical and similar industries, particularly from those countries where the fight against air pollution is still in its infancy. Obviously, it was not possible to cover completely the whole range of subjects during the limited duration of a Eurocourse.
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