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61.
提出了磁盖势阱(MLPW)一种静电装置,该装置是在球形静电势阱的外围加上磁盖而构成的,可用于受控核聚变.通过建立磁盖势阱中带电粒子的运动方程并取单粒子谐振子近似以及运用自洽场的统计方法,球形聚变炉内大量带电粒子的集体行为被计算机所研究和模拟.由于使用了电场与磁场的联合约束,与单独的磁约束或惯性约束受控核聚变相比,所需达到的技术指标将有所改善,工程技术上的难度也会有所降低 相似文献
62.
63.
Louis Marinoff 《Theory and Decision》1993,35(1):55-73
In quantum domains, the measurement (or observation) of one of a pair of complementary variables introduces an unavoidable uncertainty in the value of that variable's complement. Such uncertainties are negligible in Newtonian worlds, where observations can be made without appreciably disturbing the observed system. Hence, one would not expect that an observation of a non-quantum probabilistic outcome could affect a probability distribution over subsequently possible states, in a way that would conflict with classical probability calculations. This paper examines three problems in which observations appear to affect the probabilities and expected utilities of subsequent outcomes, in ways which may appear paradoxical. Deeper analysis of these problems reveals that the anomalies arise, not from paradox, but rather from faulty inferences drawn from the observations themselves. Thus the notion of quantum decision theory is disparaged. 相似文献
64.
Maria Brouwer 《Journal of Management and Governance》2005,9(3-4):237-255
Organizational innovation is essential to economic development. But, the way successful societies have organized new ventures
has been remarkably similar in both past and present. The commenda organizations of medieval Italy shared many characteristics
with modern startups that are financed by venture capital. Profit share contracts; limited liability and periodic reevaluations
are cases in point. Agency contracts in both types of ventures are designed to absorb the high uncertainty inherent to these
enterprises through risk sharing. Uncertainty prohibits a unique ex ante ranking order of investment projects and prompts
investors to look for hidden human capital. Equity finance is better equipped to even out unexpected losses and gains that
are inherent to uncertainty than debt finance. 相似文献
65.
本文明确了融资代建制的概念,将公共工程项目–项目融资–代建制联系起来,构建了公共工程项目融资代建制模式框架为:二个层次、三种管理和三项保证。进一步指出融资代建制是有中国特色的PFI,是公共工程项目建设管理的创新模式。 相似文献
66.
Optimization Model and Algorithm for Crew Management During Airline Irregular Operations 总被引:4,自引:0,他引:4
Airline irregular operations have long been a realm where human experience and judgement are the most important tools to utilize. Crew management during irregular operations is usually the bottleneck of the whole system-recovering process due to complicated crew schedules and restrictive crew legalities as well as the size and scope of the hub-and-spoke networks adopted by major carriers. A system-wide multi-commodity integer network flow model and a heuristic search algorithm for the above purpose are presented and discussed in this paper. The computational experiences show that the algorithm is efficient enough to solve problems of realistic size and also has the flexibility to accommodate practical business requirements. 相似文献
67.
The objective of this study was to determine the impact of task information (TI) provided by an interface agent during the idea evaluation and integration step of the problem formulation stage of the problem solving process. The effectiveness assessment was based on solving diagnostic decision problems in the domain of complex industrial machinery. Ten domain experts participated in this study. Decision support was provided by a case-based reasoning system. Findings suggest that TI provided by the interface agent had no effect on the decision maker's performance, nor on the associated cognitive effort. However, a verbal protocol analysis revealed that the ten subjects used the interface agent to verify their decision processes. The results and their implications are discussed with respect to current findings in the area of decision support systems. 相似文献
68.
TOT项目融资中国有资产转让定价的博弈分析 总被引:1,自引:0,他引:1
本文以TOT项目融资方式为对象,运用博弈的方法,从合理分配国有资产经营期内增值收入的角度出发,得出这样的结论,在国有资产转让过程中,政府与私营资本之间的谈判是一系列复杂的博弈过程,在博弈中政府的最优行为是对国有资产转让进行招标,同时给予某一招标企业一定的中标优先权,这样政府能够较现行的国有资产转让方式获得更多的收益. 相似文献
69.
研究了只有部分属性权重信息、属性值以语言变量或不确定语言变量形式给出且决策者对方案有偏好信息的语言多属性决策问题.给出了语言变量和不确定语言变量的运算法则,以及不确定语言变量之间比较的可能度公式,定义了语言变量的偏离度概念.在属性值以1)语言变量和2)不确定语言变量,这两种形式给出的情形下,分别建立了一个基于偏离度的目标规划模型,并通过求解这两种模型分别获得相应的属性权重.然后对于情形1),利用语言加权平均(LWA)算子,对语言决策信息进行加权集成,继而对方案进行排序和择优;对于情形2),利用不确定语言加权平均(ULWA)算子,对不确定语言决策信息进行加权集成,并利用可能度公式构造可能度矩阵(互补判断矩阵),继而利用互补判断矩阵排序公式对决策方案进行排序和择优.最后进行了实例分析. 相似文献
70.
具有网络外部性的产品兼容性决策分析 总被引:8,自引:2,他引:8
通过Stachelberg竞争模型,本文研究了在具有网络外部性的市场中,拥有专有技术的主导厂商对其兼容技术的授权动机问题。并且得到了主导厂商在纵向兼容决策中最优厂商数量的控制的关系。 相似文献