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Based on the biological characteristics and principles, by analysis of the structure and number of protozoa, we can quickly get useful information on the activated sludge process, and subsequently give directions to the performance.
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根据原生动物的生物特征及其在不同环境条件下的种属、数量、活性等表现，通过其组成和数量的分析，可以迅速为活性污泥工艺提供有益的指示信息，从而指导污水厂的生产运行。 |
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Based on the bouncing dynamic model &vibration equation established in paper we analyse the damping ratio of vehicle suspension.We discass the stabilation of vibration system when the equivalent damping of shock absorber is zero or negative.We also provid
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该文在建立振动动力学模型和运动方程的基础上，通过对车辆悬架阻尼比分析，就减振器阻尼等效为零或为负时，对振动系统稳定性影响及产生原因进行了探讨.提出设计和制造过程中有效控制系统稳定和非保守特性的技术路线. |
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Based on the brief introduction of the complexity of power system, this paper introduces the application of system complexity theory in power system and the research status, including self-organized criticality, cascading failure model, structure vulnerab
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摘要在简述电力系统复杂性的基础上，介绍了系统复杂性理论在电力系统中的应用以及研究概况，包括电力系统的自组织临界性、电力系统连锁故障模型和复杂电力网络的结构脆弱性和连锁故障演化等，进一步指出电力系统复杂性理论的研究可能为探索互联电力网络的安全性和可靠性提供一个新的方向。 |
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Based on the building of a model of progressive tax rate counting progress, the following paper, after a quantitative analysis on the phenomena of the tempestuousness of full progressive tax rate and the easement of extra progressive tax rate, and an anal
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文章在对累进税率计税过程建立模型的基础上，对全额累进税率累进剧烈和超额累进税率累进缓和现象，以及用超额累进税率计税时所涉及的速算扣除数进行了定量分析，从而使得抽象的理论在推理中得到了明晰，有助于对累进税率更加深入和全面的理解。 |
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Based on the calculation methods of nominal water-cement ratio of mortar and average paste thickness of standard sand provided by authors, the nonlinear relation between fluidity of mortar and nominal water-cement ratio of mortar, average paste thickness
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摘要在给出水泥胶砂名义水灰比和标准砂平均浆体厚度计算方法的基础上，采用人工神经网络方法，建立了水泥胶砂流动度与水泥胶砂名义水灰比、标准砂平均浆体厚度、粉煤灰与胶凝材料用量比之间的非线性映射关系。 |
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Based on the calculation model and theory of saturated-unsaturated soil seepage, this passage takes the influence of unsaturated zone in seepage field on dam seepage into account, and it also does the seepage finite element calculation and analysis for a
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基于饱和－非饱和土渗流计算模型与原理，本文考虑渗流场非饱和区对堤坝渗流的影响，对某土石坝进行了渗流有限元计算与分析。 |
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Based on the calculation of shearing-slipping failure probability of high arch dams, the calculation method and procedures are presented by use of the Second Moment Method for calculation of the occurrence probability of the major failure modes of high ar
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以计算高拱坝剪滑溃坝发生概率为例，说明利用二阶矩法计算高拱坝各主要失效模式发生概率的步骤，进而求解各失效模式的相关程度及具有多个失效模式高拱坝的失效概率。 |
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Based on the calculation of the elevation of wave barrier for breakwater and physical model research, this paper analyzes the choice of elevation of wave harrier and its influence on the mooring conditions for fishing boats in the sea area.
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摘要通过对防波堤挡浪墙顶高程计算和物模试验研究，分析挡浪墙顶高程的取值及其对湾内海域渔船泊稳条件的影响。 |
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Based on the capacitance distributions from 12-electrod capacitance sensor, using stepwise regression method, the capacitance relation of oil-gas two phase flow based on flow pattern is developed.
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摘要基于12电极阵列电容传感器提供的电容测量信息，采用逐步回归方法，获得了与流型相关的电容关联式。 |
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Based on the carrier forms of cultural spreading, the up-to-now history of human civilization can be divided into four phases: the picture age, the script age, the print age and the visual age.
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摘要如果从人类文化传播载体形式的特征来看，迄今为止的人类文明史主要可分为图画时代、文字时代、印刷时代及视像时代四个阶段。 |
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Based on the case analysis, the paper points out that from the view of whether it can be counted, environmental impact caused by pipeline engineering transporting refined oil can be classified into three types: the first is can be counted accurately, the
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摘要以价值衡量为标准，将成品油管道工程的环境影响分为三类，即可以准确计量其带来的价值损失的环境影响、不易准确计量其引起的价值损失的环境影响和目前难以计量其造成的巨大价值损失的环境影响。 |
