查询词典 coefficient

The results show that the system performance can be improved and the coefficient of performance increases as the ambient temperature and the compressor speed decreases. COP increases as the air velocity of condenser increases while the return air temperature of refrigeration evaporator has negative effects.

研究结果表明：随着环境温度的降低以及压缩机转速的减小，系统总体性能有所提高，COP增大；随着冷凝风速的增大，性能系数COP增大；而冷藏蒸发回风温度的升高，也会影响系统的总体性能，使得COP降低。

Because the change of the pressure caused the change of the mucosity coefficient of the air, the resonance frequency, the air damping and the bias were changed.

由于气压的变化会引起空气黏性系数的变化，因而会引起MEMS梳状线振动陀螺仪谐振频率、阻尼系数、零偏等参数的变化。

According to the influence of air pollutant source parameters, weather factors, approach underlying surface layer and non-linearity reaction, the correction coefficient is to modify final simulate value, which perfectly resolves the problem of the result probability and complexity actually. Therefore, the result of the model is more reliable.(2) Long-term monitoring average concentration isoline map and simulating air pollutant concentration isoline map are drawn by drawing function of surfer 8.0 software.

本研究提出的长期平均浓度模型的预测值与实测值的相关系数r=0.813在α=0.05下通过检验，且验证的样本量大，计算结果具有代表性，为湛江市郊区环境空气质量全面预测和污染防治提供理论依据，该模型亦可进而推广应用于SO_2、NO_x、CO等大气污染物的扩散状态研究和计算。

The optimal coefficient of excess air was related to the mass flow rate of methane and wall temperature.

甲烷质量流量、壁面温度与最佳过量空气系数之间具有一定的变化关系。

Jolly Balance measurement spring stiffness coefficient of friction of the air track of the number of level measurement.

摘要通过焦利氏秤测量弹簧的劲度系数、对气垫导轨的磨擦力数量级进行测量。

Combining the principle of the equal thickness interference of air wedge with the CCD image-processing technique,a high precision automatic measurement method of thermal expansion coefficient is presented.

将空气劈尖的等厚干涉原理与CCD图像处理技术相结合，提出了一种对材料热膨胀系数进行高精度自动测量的新方法。

In the experiments, it was found that the momentum coupling coefficient of multi-pulse propulsion was lower than that of the single pulse case for the air-breathing mode.

研究了大气模式激光推进中多脉冲推进的冲量耦合系数低于单脉冲推进的冲量耦合系数的机理。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

1前言棉纤维细度和成熟度系数与纱线加工和性能之间存在十分密切的关系，许多科技工作者提出的由棉纤维性能预测其纱线性能的相关方程已得到应用［1～5］。

The Airy function is used to calculate the plasma impedance and the grill-plasma scattering matrix is deduced, then the coupling properties of the HT-7 LHCD MJ launcher are studied with the antenna scattering matrix and the grill-plasma scattering matrix based on the liner coupling theory. The average power reflection coefficient, directivity, power spectrum are obtained for different edge plasma densities and for different phasings between main waveguides.

采用线型耦合理论，用艾黎函数计算了等离子体阻抗，推导出常规波导阵对等离子体的散射矩阵，并利用它和天线自身的散射矩阵研究了HT-7装置低杂波多结波导阵天线的耦合特性；计算了其平均功率反射系数、方向性系数和功率谱与等离子体边缘密度和主波导相位差等参数的关系。

The results show that the initial phase is non-homogeneous reaction,solid-liquid mass transfer coefficient is the main factor on the reaction rate,N-methyl-2-pyrrolidone can accelerate the dissolution of polyester film and prompte the alcoholysis reaction into homogeneous process.

结果表明，反应初始阶段为非均相阶段，固-液间传质系数是影响反应速率的主要因素，加入NMP可以加速PET的溶解，促使醇解反应快速进入均相阶段。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。