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1)  efficiency expectation
效能期望
2)  expected utility
期望效用
1.
Mean-risk rule and compatibility with expected utility rule;
均值-风险规则及其与期望效用规则的一致性
2.
The expected utility function is used to measure the uncertainty of the estimating reliability,and the Bayes dec.
考虑到可靠度估计的不确定性,采用贝叶斯风险决策技术,通过期望效用函数量化可靠度的不确定性,并定义了停止可靠性增长试验的贝叶斯决策规则,最后给出了一个应用实例验证了方法的可行性。
3.
The objective functions of expected net present values and expected utility were established and optimum quantity of demand and prices were obtained by maximizing them.
讨论了人寿保险商品价格的确定,通过建立期望净现值和期望效用目标函数,并使其最大化,而求得最佳需求量和最优价格;在建立目标函数的同时考虑了需求函数和无偿付能力的概率对于人寿保险商品价格的影响,并借助于模拟方法分析利率均值和利率标准差等参数改变时对最优价格的影响。
3)  utility function
期望效用
1.
For discussing the impact of congestion pricing on travel behaviors of residents,a disaggregated modal-split model considering pricing is formulated,and based on it,the traveler s perceived expectation utility function is built.
结果表明,城市交通拥挤收费将影响出行者的交通方式选择行为和满意度,造成城市交通方式分担结构的变化;理解期望效用随收费费率的增加而增大,达到某一值后保持不变,而出行者对拥挤收费的满意度均为负值,并随着出行者对收费认知的不同而以不同的速度减小。
2.
As its special cases,itis also proven thatthe famous Sharpe- Lintner CAPM holds for quadratic utility function ormulti- normal distribution constraint of return rates.
根据效用理论 ,投资者在期望效用最大化准则下选择组合投资方案 ,通过改进均值 -方差模型假定 ,在完全市场 ( perfect markets)条件下由组合投资模型推导出广义的资本资产定价模型 。
4)  expectation utility
期望效用
1.
The expression,which was used to depict the changing regulations of the expectation utility were deduced.
将最优契约定义为动态规划问题的值函数,在无穷期重复契约关系下,推广了在两期道德风险模型中所分析的结论,得到了刻画期望效用变化规律的表达式,证明了最优的契约仍然显示出某种记忆性。
2.
This paper uses the expectation utility theory for decision analysis of investment securities,and constructs a model of risk preference by systematization of practical decision behavior.
本文把期望效用理论用于投资决策分析,按实际风险偏好的系统分类构造模型,据此证明决策人效用函数必为线性函数和指数函数;前者对应风险中立,后者对应风险厌恶和风险追求;函数参数的不同取值,唯一确定了各类风险偏好的性质和程度。
5)  expectation effect
期望效应
1.
Application of expectation effect in the teaching of higher education institutions;
教师期望效应在高校教学中的运用
2.
But postponed expectation effect plays an oppressive and killing role to personnel s self-expectance.
 期望效应对员工的自我期待有很大的激励和推动作用,但是,不恰当的期望效应会对员工的自我期待产生压抑甚至扼杀作用。
3.
applying expectation effect and positive evaluation can increase students′ confidence and restrain their frustration feeling,and make students usually have the happy feeling of success.
运用期望效应与肯定性评价,可增强学生的自信心,抑制受挫感,让学生经常有成功的喜悦。
6)  average benefit
期望效益
1.
The explicit expressions of the long-run average benefit per unit ti me under each replacement policy are calculated.
研究了两同型部件组成的可修冷备系统 ,在假定故障部件不能“修复如新”的条件下 ,利用几何过程以系统中部件 1的寿命T为策略进行了研究 ,推导出了系统经长期运行单位时间内期望效益的明显表达
2.
The explicit expressions of the long-run average benefit per unit time are calculated.
研究了单部件组成的退化可修系统,假定故障部件“修复非新”的条件下,以系统中部件的故障次数N为更换策略进行了研究,推导出系统经长期运行单位时间内期望效益的明显表达式,而且在一定条件下证明了当更换策略N*=m in N≥1 fN≤Cω+CrC时,系统经长期运行单位时间内的期望效益最大,即最优更换策略N*是所有更换策略中最优的。
3.
Assume that the component after repair is not "as good as new", by using the geometric process we consider a kind of replacement policy T of the system based on the age of the component 1, The explicit expressions of the long run average benefit per unit time under each replacement policy are calculated.
本文研究两同型部件组成的可修冷备系统 ,在假定故障部件不能“修复如新”的条件下 ,利用几何过程以系统中部件 1的寿命 T为策略进行了研究 ,推导出系统经长期运行单位时间内期望效益的明显表达式 ,并在一定条件下 ,证明了 T*的唯一存在
补充资料:低效能利尿药
分子式:
CAS号:

性质: 指一类最大排Na+强度为肾小球正常滤过Na+量的5%以下的利尿药。此类药物由于不影响髓袢升枝对Na+的重吸收,因此其利尿作用较弱。包括(1)留钾利尿药,如螺内酯、氨苯蝶啶与阿米洛利;(2)渗透性利尿药,如甘露醇、山梨醇;(3)碳酸酐酶抑制剂如乙酰唑胺;(4)利尿中草药,如泽泄、茯苓。

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