Zhiwei Tian

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Forest fire statistics from 1950 to 2008 indicates a decreasing trend whereas catastrophic forest fire shows a waving curve that fluctuates during this period. It is essential to manage the forest fire risk efficiently since forest is such valuable asset to society and it can bring the benefits of ecosystem. As a result, managing the risk of forest fire(More)
Based on the current situation of H company's industry and company analysis,combined with the survey data from H company.From the control environment, risk assessment, control activities, information and communication and internal supervision that five aspects of H company internal control situation, it is to find the flaw and the insufficiency. And from(More)
Based on understanding the meaning to sustainable capacity of the Cropland Conversion Program, a set of indicators has been developed for assessing sustainable development capacity of the Cropland Conversion Program from the environment, economical, social, intelligence system's support ability; Anding District in Gansu Province,Yichuan County in(More)
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