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In the present investigation, a serial solution of the inverse heatconduction problem (IHCP) is extended for Al3 pct Cu4.5 pct Si alloy square bars and rectangular plates cast in metal molds.


Chakrabarti and Ja'Ja' 131 have presented a bit serial solution for small DHT modules.




 This paper deals with the optimal decision of the reclamation of multiple poldering areas based on the optimal planning of land use and of major drainage system. With the maximum total netincome as an objective function, the mathematical models of this problem are constructed with several corresponding optimal methods, such as the multidimensional dynamic programming, the serial solution of multiple stage optimal problem and the separatingcoordinating method in large system. The results of a case study... This paper deals with the optimal decision of the reclamation of multiple poldering areas based on the optimal planning of land use and of major drainage system. With the maximum total netincome as an objective function, the mathematical models of this problem are constructed with several corresponding optimal methods, such as the multidimensional dynamic programming, the serial solution of multiple stage optimal problem and the separatingcoordinating method in large system. The results of a case study include the detailed complex optimal decision of the reclamation of the multiple poldering areas and the sensitivity analysis of the economic parameters.  水文在垦区土地利用最优规划和骨干除涝排水系统最优规划的基础上,以规划期内全局净效益现值最大为目标,建立了多片海涂围垦综合决策总体优化模型和一系列子模型。提出了求解这些数学模型的多维动态规划通用解法,多阶段优化问题的序列解法,以及大系统分解协调方法。进行了实例验证,其计算成果包括各片海涂详细的最优围垦综合决策方案及其经济指标灵敏度分析等。  This essay briefly explains that from the long practical experience, a high interrelation is found between the value of resldual solvent in extracted oil determined by a gas sensitive chromatograph and that by gas chromatograph, whose interrelative coefficient is 0.99. And the latter value is by 58ppm less than the former one.The paper also makes an introduction to the characteristics and the operation of the instrument, the calculation and preparation of standard serial solutions of various concentration.... This essay briefly explains that from the long practical experience, a high interrelation is found between the value of resldual solvent in extracted oil determined by a gas sensitive chromatograph and that by gas chromatograph, whose interrelative coefficient is 0.99. And the latter value is by 58ppm less than the former one.The paper also makes an introduction to the characteristics and the operation of the instrument, the calculation and preparation of standard serial solutions of various concentration.  本文简要介绍了气敏层析仪测定浸出油中残留溶剂的结果与气相色谱法的测定结果具有高度相关牲,其相关系数(r)为O.99.并得出气相色谱法测定值低于气敏层析仪测定值5～8ppm的结论.对仪器的特性和操作规律,不同浓度的标准系列溶液的计算和配制方法也作了简要介绍.  According to the characteristics of the resources and utilized situation of the reclamation of poldering areas in the coastal region of Jiangsu, and from the overall and longterm maximum total netincome point of view, the optimal decision for the land enclosure of multiple poldering areas can be obtained based on the optimal planning of land use and the developing decision. Thus,the optimal investment allotment in the process of the development and enclosure of multiple poldering areas is well settled. The... According to the characteristics of the resources and utilized situation of the reclamation of poldering areas in the coastal region of Jiangsu, and from the overall and longterm maximum total netincome point of view, the optimal decision for the land enclosure of multiple poldering areas can be obtained based on the optimal planning of land use and the developing decision. Thus,the optimal investment allotment in the process of the development and enclosure of multiple poldering areas is well settled. The common mathematical models of this problem have beau constructed it turns the complex optimal decision process into a hierdr'chical system, combining the linear programming with the 01 programming. Its serial solution can be gotten at once with coordinating method.  根据江苏省海涂资源的特点及开发利用现状，从全局和长远经济效益现值最大的观点出发，对各片海涂的上地利用作了优化和最优开发决策，从而进一步对多片海涂匡围进度进行最优决策。解决了海涂开发与匡围过程中的最优投资分配问题，建立了解决这一问题的通用数学模型。该模型将复杂的决策优化过程化为线性规划与０～１规划相结合的层次体系，通过协调求解。方法简便、实用。   << 更多相关文摘 
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