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1)  NPV
NPV病毒
1.
The study on the inheritance of Nuclear Polyhedrosis Virus(NPV) resistance in Bombyx mori that infected by peroral was carried out based on probit analysis method and curve analysis between density of NPV(logarithm) and the death ratio.
用几率值分析法和浓度(对数)—死亡率几率关系曲线法,研究家蚕对NPV病毒经口感染的抵抗性遗传规律。
2)  nuclear polyhedrosis virus(NPV)
核型多角体病毒(NPV)
3)  HearNPV
棉铃虫核型多角体病毒(Hear NPV)
4)  insecticide of Stilpnotia salicis NPV
柳毒蛾NPV杀虫剂
5)  NPV method
NPV法
1.
In view of the actual characters of the economic investment activity,analysis is made of the limitation of NPV method,focusing on the introduction and application of option valuation theory,and it expounds the practicability of these decision-making model as well as more problems.
在简要介绍净现值(NPV)法的基础上,针对现实经济投资活动的实际特征,分析了NPV法所存在的缺陷。
2.
The traditional decision-making NPV method of risk investment is of a few limitations in some practical domains,due to its non-adaptability to the changes of the future investment.
由于传统的风险投资决策方法NPV法不能对未来投资的变化作相应的灵活调整,因而在某些应用领域具有一定的局限性。
6)  NPV resistance
抗NPV
补充资料:NPV
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性质:按设定折现率将建设项目计算期内务年净现金流量折现到建设期初的现值之和。它也是反映投资获利能力的动态指标。净现值大于或等于零表示投资获利能力超出或刚好等于设定折现率的要求。净现值越大,经济效益越好。计算式为式中,Ci为现金流量;C0为现金流出量;(Ci-C0)t为第t年的净现金流量;n为计算期年数;i为折现率。

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