• Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.

    综合传热系数系统气体流动阻力损失评价换热器性能重要指标

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  • With graphite particle content increasing from 5% to 20%, wear weight-loss and friction coefficient of the composites are obviously declined, greatly improving wear resistance of the composites.

    随着石墨颗粒含量5%增加20%,镁合金基复合材料耐磨性得到明显改善磨损质量损失摩擦系数降低到较低水平。

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  • Under the same wall heat condition, with the increase of momentum correction coefficient, viscosity loss of the nozzle increases, but thrust and specific impulse decrease.

    同等壁面条件下随着动量调节系数增加喷管粘性损失增大,喷管的推力都将下降

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  • It has also been shown that this deviation is more than just addition of linear loss coefficient especially when long haul fiber optic systems with inline amplifiers are considered.

    同时显示出结果背离不仅仅线性损耗系数的简单叠加,特别是长久光纤系统中存在同轴信号放大器的情况下。

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  • The dielectric constant was almost a constant, while the dielectric loss and temperature coefficient of dielectric constant were sensitive to the sintering conditions.

    随着烧结条件不同,介电常数几乎不变介电损耗以及介电常数的温度系数较为敏感。

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  • Studies the fuel kinds, the exit gas temperature of the hot air furnace, the excess air coefficient and the air moisture and temperature 'influence for waste heat loss.

    研究燃料种类热风炉排烟温度过量空气系数以及燃烧空气湿度温度排烟损失影响规律

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  • The energy conversion and loss in collision are discussed, a formula of coefficient of restitution is obtained by energy.

    讨论碰撞过程能量转化能量损失,给出恢复系数能量表达式

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  • With the increasing of soil loss, the sorting coefficient for soil particle diameter of a layer decrease in different types of land utilization.

    随着土壤流失程度增大,流域不同土地利用状况下的A土壤颗粒粒径分选系数降低

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  • Results The average equivalent sound level and the detectable rate of workers hearing loss were exponential positive correlation, the coefficient of correlation r was 0 812 45.

    结果检出率平均等效声级增加而明显增加趋势,平均等效声级噪声作业人员损检出率呈密切指数相关关系(相关系数r为0 812 45 )。

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  • The higher the intrinsic coercivity H cj , the lower the coefficient of the intrinsic coercivity and the lower the irreversible loss of flux.

    在同成分磁体中,矫顽力的磁体具有较低矫顽力温度系数不可逆磁通损失

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  • Using numerical simulation software, with setting different gas pressure in pipe, the pressure loss coefficient of inner-cone flowmeter was simulated.

    利用数值模拟软件,通过改变管道气体压力,对内流量传感器压力损失系数进行模拟研究。

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  • The influence of the optical length, the output couple coefficient of the optical fiber ring cavity upon the STF and the coherence of the loss is also analyzed.

    结合光纤光学长度耦合输出系数,就损耗对光纤环光谱传递函数相干性影响进行了分析讨论。

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  • The loss of efficient head of circulation pump in the primary loop of PWR will increase with the increase of resistance coefficient of JetPump under forced circulation.

    强迫循环条件压水堆一回路循环有效损失喷射阻力系数增加而增加;

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  • The effects of the optical length, the output couple coefficient, and the loss on the STF of optic fiber ring are analyzed.

    分析了光纤光学长度耦合输出系数损耗光纤环光谱传递函数作用

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  • The results show that if at the very beginning of inference, the linear loss is considered, the coefficient of the equation will change due to the linear loss.

    结果表明如果推导之始就考虑线性损耗效应,则方程中某些项系数线性损耗引入而改变

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  • Instantaneous equilibrium pressure method is used in this paper to analysis the internal ballistics of pyrogen-type igniters. A concept of igniter heat loss coefficient is also presented.

    固体火箭发动机常用瞬态平衡压强烟火剂式点火器弹道性能进行了理论预示,并提出损失系数概念

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  • The paper simply reviews the application of quantification method in accident loss statistics, and proposes the method of mean square deviation analysis to determine the weight coefficient of simples.

    简要介绍了事故损失统计一些量化方法应用同时提出方差分析确定加权系数的取舍。

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  • Adopting proportional coefficient method of injury grading in evaluation of value loss of accident casualty is favorable for determining compensation to casualty of mine-worker.

    引入伤害分级比例系数进行事故人员伤亡价值损失估算,有利于对伤亡矿工赔付额的界定。

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  • Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).

    实验中不同雷诺数、不同出比时通道端表面静压分布、压力损失系数、弦向流量分配以及系数进行了测量

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  • At the same time, the average heat exchange coefficient and the pressure loss of the cold plate have been tested.

    同时冷板散热性能进行了测试,得到了冷板平均换热系数压力损失

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  • The main purpose of the experimental study on the water fow in the transition region of an aqueduct is to find out the local coefficient of head loss in the region.

    渡槽渐变段水力学试验基本目的测定渐变段局部水头损失系数

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  • The impact of system parameters on the minimum decay rate is analyzed in detail, which suggests that a new parameter, named the integrated loss-rate coefficient can be defined.

    进一步分析系统参数衰减影响,分析表明可以定义一个新的综合去除系数

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  • The effect of wind speed on the top heat loss coefficient of flat plate solar collector has been analyzed, the modified coefficient for wind speed effect and its empirical equation has been derived.

    本文分析了风速平板太阳集热器顶部损失系数影响导出了风速影响修正系数经验公式

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  • In this paper, we consider the influence of piping system of indoor heat exchanger on coefficient of heat exchange and loss pressure.

    讨论室内换热器管路系统对换系数影响

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  • Even at the same relative opening degree, the coefficient of minor loss is different for different pipe diameters of valves.

    不同管径阀门同一相对开启下的阻力系数不同。

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  • The loss coefficient of four vaccines in varied geographical areas were different, the highest (2.19) in mountain areas, the lowest (1.70) in cities, and the medium (1.82) in the coastal towns.

    四种疫苗平均损耗系数不同地域类型有显著差异城市最低(1.70),沿海农村(1.82)次之,山区农村(2.19)最高

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  • The recessive loss of our cultivated land since 1996 was studied by using the standard coefficient method. And the causes for the recessive loss were analyzed as well.

    耕地标准系数系统地研究了1996年以来我国耕地数量的隐性流失情况,分析了引起耕地数量隐性流失的原因。

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  • On the basis of a large number of field data, the regression equations of displacement coefficient, down-hole power loss and surface efficiency for pumping wells are established.

    本文以大量现场测试数据基础建立了抽油机排量系数井下功率损失地面效率回归方程

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  • On the basis of a large number of field data, the regression equations of displacement coefficient, down-hole power loss and surface efficiency for pumping wells are established.

    本文以大量现场测试数据基础建立了抽油机排量系数井下功率损失地面效率回归方程

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