chemicals used for treatment of water intended for human consumption - sodium acid pyrophosphate

the distribution of return is an important problem in financial economics because it is the basis of portfolio selection, asset pricing and risk management.

投资收益率的统计分布是证券投资组合、金融产品定价和风险管理的基础，因此是金融经济学的非常重要的问题。

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therefore, when insurance companies determine the pricing profit margin, they should pay more attention to the influence from underwriting profit margin.

因此，产险公司根据承保利润率和投资收益率确定定价利润因子时，应该更加重视承保利润率对它的影响。

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resources are always limited and you must find the proper advertising that goes well with your brand and products to maximize your roi.

资源总是有限的，你必须找到合适的广告，它能很好地伴随你的品牌和产品，将你的投资收益率最大化。

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but this turn depends on factors such as: teachers' preference for continuing education, ability of payment and profit of investment.

而这一转化的实现取决于中学教师对继续教育的偏好程度、支付能力及投资收益率等因素。

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in this paper a fractional linear programming model with maximizing the rate of return on a portfolio as its objective is presented.

本文提出了以极大化证券组合的投资收益率为目标的分式线性规划模型。

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as the higher investment yield of container port industry, container port industry became an important target for international investment.

由于集装箱港口业较高的投资收益率，成为国际投资的重要对象。

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software reengineering put emphasis on the rate of high investment and yields to improve the performance of legacy system.

软件再工程强调以更高的投资收益率，来提高遗产系统的性能；

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the rates of returns to both human and physical capital should be the same when the economy equilibrates.

均衡时经济中人力资本投资收益率等于物质资本投资收益率。

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the application of the method of incremental investment rate of return in decision making of multi-projects selection and optimisation

增量投资收益率法在多方案选优决策中的应用

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in order to improve the investment yield, diversity of investment currencies and instruments must be carried out.

要提高投资收益率，必须实现投资币种、投资品种的多元化，在世界范围投资于更丰富的资产。

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the marginal liquidity value of the stock is positive related to the enterprise marginal investing yield;

2边际流动性价值与企业边际投资收益率成正相关。

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lower-than-assumed real rate of return on investment

较假定实际收益率为低的投资收益率

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secondly, underwriting profit margin and investment rate of return were expounded in detail.

接下来对模型中的承保利润率和投资收益率是如何影响定价利润因子的分别进行了详细的介绍。

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maximizing the rate of return on a portfolio

极大化证券组合的投资收益率

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the ruin probabilities in compound binomial risk model with stochastic varying yields of investment

考虑投资收益率随机变化的复合二项风险模型的破产概率

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research on computing methods of the profit rate of the investment in education

教育投资收益率计算方法研究

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return on total capital investment is strongly affected by dme prices.

二甲醚的售价强烈地影响投资收益率。

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in this context, the author introduces the g-h distribution which is generally applied in the financial investing yield field and rarely in the insurance field into the earthquake loss data fitting.

g-h分布目前大多被用于金融领域，用来研究投资收益率的特征，很少被应用于保险领域。本文详细介绍了g-h分布并将其应用到保险领域对地震灾害的损失分布进行拟合。

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finally, the paper proposes solutions to improve the qdii system. from empirical analysis, we conclude that qdii can disperse risks through allocating the resources in different capital markets, get a higher rate of investment returning.

文章最后，提出了完善我国QDII制度的建议和对策，通过实证分析得出QDII能够通过在不同资本市场配置资源从而更大范围内分散风险，获得较高的投资收益率。

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usually the closing price of ipo on the open market for the first time is far higher than its issue price, which makes the investors who subscribe ipo able to acquire a paranormal rate of return, and this is so-called ipo underpricing.

通常IPO股票上市首日的收盘价要远远高于其招股发行价格，使得IPO的投资者能够获得超过正常收益的投资收益率，这就是所谓的股票IPO抑价。

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