Dequn Zhou

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Mushrooms can be found in forests worldwide and have long been exploited as resources in developed economies because of their important agro-industrial, medicinal and commercial uses. For less developed countries, such as those within the Greater Mekong Subregion, wild harvesting and mushroom cultivation provides a much-needed alternative source of income(More)
Climate change affects various facets of life but there is little data on its effects on wild mushroom fruiting. Yunnan Province in China is a rich source of wild mushrooms and has experienced a temperature rise over recent decades. This has resulted in warmer temperatures but the impacts of these changes on mushroom production lack documentation. We(More)
During a north–south latitudinal survey of aquatic fungi on submerged wood and herbaceous material in streams in the Asian region, we collected several hyphomycetous taxa. This paper is part of a series where we provide illustrated accounts of these taxa and place them in a natural classification in the fungi. DNA sequence based phylogenies in recent(More)
" We estimate the straw-fired power generation costs in Jiangsu Province, China. " The causes for the deficit of straw-fired power generation plants are identified. " Poor management is the primary factor for explaining the deficit of the plants. a b s t r a c t As one of the most developed provinces in China, Jiangsu Province has been actively developing(More)
This paper proposes a centralized data envelopment analysis (DEA) model for industrial optimization based on several different production technologies among several regions. We developed this model based on improved Kuosmanen environmental DEA technology, which avoids positive shadow price on undesirable outputs. We also designed a dual model for our(More)
The effectiveness of subsidies in improving the performance of renewable energy firms has aroused significant research attention in recent years. As subsidy modes may affect corporate financial performance,we have chosen companies specializing in wind and solar energy in the Shanghai and Shenzhen stock markets as samples.The relationships between the(More)
The decision on the location of a straw-based power generation plant has a great influence on the plant's operation and performance. This study explores traditional theories for site selection. Using integer programming, the study optimizes the economic and carbon emission outcomes of straw-based power generation as two objectives, with the supply and(More)
The environmental problem is one of the focus problems in the process of the development of society and economy in our country. The treatment of environmental pollution is an effectual way to solve the current environmental pollution in our country. However, the lack of the investment in the treatment of environment pollution becomes the "bottleneck" of the(More)
If the feasible set of non-convex optimization satisfies quasi-normal cone condition (QNCC) and under the hypothesis that a quasi-normal cone has been constructed, non-convex optimizations can be solved, theoretically, by the method of homotopy interior point (HIP) method with global convergence. But how to construct the quasi-normal cone for a general(More)