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In this paper, a single product stochastic inventory model with a random input and a certain output was proposed, and moreover, given the maximum price the firm would be willing to pay to the end user, the Critical value policy depending on the initial in
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本文采用价格对回收数量进行控制，基于一个具有可控随机输入、固定输出的单产品随机库存模型，在给定最大回收价格的前提下，以单周期期望库存费用最小为目标，证明了依赖于初始库存的关键值策略结构为最优定价结构。 |
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In this paper, a space model of antisubmarine homing torpedo's trajectory has been established based on the surface warship attacking underwater target, a formula which can be used to calculate the trajectory length of antisubmarine horning torpedo is als
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在建立了水面舰艇发射反潜自导鱼雷攻击水下目标的空间弹道模型的基础上，提出了反潜自导鱼雷全弹道长度的一种计算公式。 |
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In this paper, a stochastic pricing model is proposed and simulation results show a close agreement with real network situations.
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结果表明，模型较大程度地反应了现实，对网络运营商而言很有参考价值。 |
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In this paper, a switch power circuit is given as an example to introduce how to confirm the minimum clearance and creepage distance with working voltage on different safety standards.
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今以一开关电源电路为例，介绍在不同标准下如何根据工作电压情况对最小电气间隙和爬电距离值进行确定。 |
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In this paper, a test was designed for proving the effect of this method.
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用实验来检验这一方法，实验结果表明，用扭振信号的波形参数诊断熄火故障简单、有效。 |
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In this paper, a two-layered structure consisting of the fat and the muscle of poke was used as the sample.
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本文以猪的脂肪和肌肉组成的两层结构作为研究的样品。 |
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In this paper, a two-species mutualism model system is discussed.
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摘要讨论了二种群互惠生物数学模型。 |
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In this paper, a varieties of purification processes are carefully discussed according to three methods of synthesis of diphenyl carbonate.
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摘要本文按合成碳酸二苯酯的三种方法－光气法、酯交换法和氧化羰化法，详细介绍了碳酸二苯酯的提纯工艺。 |
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In this paper, according to organic ligands including polyaminocarboxylates, hydroxycarbolates, alcohols and so on, coordinative environments, patterns of synthesis and structures of complexes as well as other properties about bismuth complexes in solid s
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本文主要根据有机配体的不同，对三价铋离子配合物的合成及相应的结构进行分类概述，并针对固态铋配合物，对铋(Ⅲ)离子在各配合物中所处的配位环境以及与配体的配位方式等进行了综述。 |
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In this paper, according to the characters of river ecosystem, the concept of ecohydrological regime is proposed, and the multi-parameter system of the ecological water requirements (minimum and appropriated ecological water demand, ecological water requi
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本文首先从河流生态系统特性入手，提出生态水文季节，构建了多参数生态需水（最小生态需水、适宜生态需水、洪水期生态需水）体系并分析其内涵，组成了能反映河流生态系统健康的流量等级。 |
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In this paper, according to the periodically active characteristics shown in the historical earthquake data in this region since 1900, we describe the rule of seismicity with sine function and furthermore make a preliminary forecast of the seismicity inte
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摘要根据东北地区1900年以来的历史地震资料所显示的周期性活动特点，用正弦函数描述其地震活动规律，并结合时间序列的周期图及其他一些地震活动性分析方法，对该地区未来1~3年地震活动发展趋势和地震强度作了初步预测。 |
