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“限批”的合法性探析 被引量:2
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作者 蒋莉 白林 《云南行政学院学报》 CSSCI 北大核心 2010年第6期144-148,共5页
根据对象的不同,"限批"的性质也有所不同。对"区域"、"流域"和"行业"的"限批"属于抽象行政行为,对"企业"的"限批"属于具体行政行为(行政处罚)。"限批"... 根据对象的不同,"限批"的性质也有所不同。对"区域"、"流域"和"行业"的"限批"属于抽象行政行为,对"企业"的"限批"属于具体行政行为(行政处罚)。"限批"的合法化路径包括:正确认识"限批"的性质;准确适用法律;合理利用环境"总量";着力"限批"的制度化构建。 展开更多
关键词 “限批” 性质 合法性
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Dynamic programming algorithm for economic lot-sizing problem with bounded inventory and out-sourcing
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作者 刘晓 王成恩 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2005年第4期450-455,共6页
This paper addresses a single item dynamic lot-sizing model with inventory capacity and out-sourcing. The goal is to minimize the total costs of production, setup, inventory holding and out-sourcing. Two versions of a... This paper addresses a single item dynamic lot-sizing model with inventory capacity and out-sourcing. The goal is to minimize the total costs of production, setup, inventory holding and out-sourcing. Two versions of an out-sourcing model with time-varying costs are considered: stock out case and conservation case. Zero Inventory Order property has been found and some new properties are obtained in an optimal solution. Dynamic programming algorithms are developed to solve the problem in strongly polynomial time respectively. Furthermore, some numerical results demonstrate that the approach proposed is efficient and applicable. 展开更多
关键词 lot sizing dynamitic programming out-sourcing INVENTORY
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Theory of center-focus for a class of higher-degree critical points and infinite points 被引量:24
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作者 刘一戎 《Science China Mathematics》 SCIE 2001年第3期365-377,共13页
For the real planar autonomous differential system, the questionsof detection between center and focus, successor function, formal series, central integration, integration factor, focal values, values of singular poin... For the real planar autonomous differential system, the questionsof detection between center and focus, successor function, formal series, central integration, integration factor, focal values, values of singular point and bifurcation of limit cycles for a class of higher-degree critical points and infinite points are expounded. 展开更多
关键词 higher-degree critical infinite point center-focus bifurcation of limit cycle
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