• It is found that the carbonization velocity coefficient will not be constant but increased with the elevation of CO2 concentrations resulted from the air pollution.

    分析发现随着大气中CO2浓度升高混凝土碳化速度系数不再一个恒定量,而是随时间延长不断增大表明大气污染会加剧混凝土的碳化。

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  • According to data analysis of actual measure, this paper obtains perpendicular line current velocity coefficient of measuring section and measuring discharge coefficient on the bridge.

    经过实测资料分析,得出了呼玛桥水文站断面的垂线流速系数以及桥测流量系数。

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  • The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled, and the performance of pump is improved and its hydraulic efficiency.

    实验证明通过改变叶片型线参数方程中的速度系数取值,可以控制边界层分离,进而改善性能,提高水力效率

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  • However, increasing the velocity at a given spin reduced the lift coefficient.

    但是旋转速度不变的情况下增加球速会降低升力系数。

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  • It appears, however, that the "drag coefficient", CD, also depends on the velocity of the ball.

    然而阻力系数CD取决于速度

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  • The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.

    方程引入垂直管蒸发传热模型,求解时考虑径向速度质量扩散系数变化传热的影响。

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  • The influence of rigidity coefficient of the foundation on the critical velocity is discussed in detail.

    通过计算还得到地基刚性系数临界流速影响规律

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  • The mathematical model of reentry maneuvering trajectory is established. The fitting expression of aerodynamic coefficient function on velocity, attack of Angle and altitude is presented.

    建立了机动弹道数学模型,给出气动力系数速度迎角高度函数合式,进行了最佳再入机动弹道设计和仿真计算。

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  • The drag coefficient and the Reynolds number are tightly related with the settling velocity of suspensions.

    阻力系数雷诺·尔德悬浮颗粒下沉速度紧密联系在一起。

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  • Defines three velocity correction coefficients and a flow rate correction coefficient.

    定义了三个速度修正系数流量修正系数

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  • After measuring the velocities of many fragments and the flying Angle, the coefficient of velocity attenuation can be calculated.

    可以通过测量多个破片飞行速度飞行姿态,推导出速度衰减系数

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  • Researches the interaction of the multiple equal plumes based on the principle of momentum congruence. Defines three velocity correction coefficients and a flow rate correction coefficient.

    根据动量叠加原理羽流相互作用进行了研究定义了三个速度修正系数流量修正系数。

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  • However, the friction coefficient between Ni and APS increased with sliding velocity increasing and reduced with load increasing.

    APS摩擦系数滑动速度增大而增大,随载荷的增大而减小

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  • The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail.

    实验研究了外加直流电场作用下水油藏多孔介质中的流体渗流速度阻力系数渗透率原油采收率变化特性。

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  • The purpose of migration is to inversely solve for the singularity (interrupted surface of interval velocity) of wave equation coefficient.

    偏移目的反演波动方程系数奇性(速度间断)。

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  • The research shows that fly ash could restrain early autogenous shrinkage by changing the parameter of binder, such as hydrated velocity, creep coefficient, elastic modulus and so on.

    研究表明粉煤灰通过改变胶凝材料体系水化速度徐变系数弹性模量可以有效抑制早期混凝土的收缩

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  • The variability of the pressure head, velocity and hydrodynamic dispersion coefficient obtained from conditional simulation are smaller than those obtained from unconditional simulation.

    条件模拟方法计算水头流速水动力弥散系数的标准差小于非条件模拟的结果;

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  • The results showed that the intensity distribution had relation with the velocity of percolation, time, coefficient of convection and diffusion.

    发现污染物在土壤中的质量浓度分布渗流速度、作用时间扩散系数有关。

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  • In this paper, the principle and primary results of measure ultrasonic sound velocity and attenuation coefficient by ultrasonic syntonic method are introduced.

    本文介绍利用超声共振测量声速和声衰减系数原理自来水和乙醇测量结果

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  • On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.

    本文在分析线性调频信号距离—多普耦合原理基础上,提出了耦合系数条件下径向速度估计方法

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  • The distribution of some field parameters such as the flux, the velocity, and the heat-transfer coefficient computed by the programming provided required conditions for cooling simulation.

    最后通过程序实现计算冷却水流量速度场、系数分布,为玻壳模具温度场的数值模拟提供了必需边界条件

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  • The interface temperature, velocity, solute concentration and non-equilibrium partition coefficient varying with interface location are calculated.

    通过计算获得界面温度速度溶质浓度非平衡分配系数界面位置的变化。

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  • Assuming the same damping coefficient, the viscous damper possessing smaller velocity index will get much better controlling performance.

    相同阻尼系数的情况,粘滞阻尼器的速度指数,其防碰撞效果越好。

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  • Hyperbolic velocity filtering and similar coefficient method are introduced to remove the influences resulting from end-point effect and alias.

    为了消除端点假频影响,文中采用了双曲线速度滤波法相似系数

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  • Hydrodynamics and mass transfer of triplet loop biological fluidized bed reactors were studied in terms of gas holdup, liquid circulation velocity and volumetric mass transfer coefficient.

    相含率液体循环速度体积氧系数方面研究自行设计新型结构三重环流生物流化床流体力学传质特性。

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  • This term is a product among the non-Darcy coefficient, the fluid density and the square of flow velocity.

    非达西是非达西系数流体密度流速平方乘积

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  • The rock acoustic parameters in this paper include wave amplitude, spectral amplitude, spectral area, spectral density, wave velocity and attenuation coefficient etc.

    这些岩石声学参数为波幅、谱面积、谱密度速度衰减系数

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  • In order to solve this problem, the effects of airflow velocity and airflow direction on heat transfer coefficient of wall surface are studied in this paper.

    为了解决这个难题,本文通过实验测试系统方法研究了风速风向墙体表面系数的影响。

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  • Under the condition of experiment in the paper, the best way is to compose biasing SH panels, and it makes the velocity deviation coefficient reduce 85%.

    试验表明,将分隔屏组合置,效果最佳,可使水平烟道内速度不均匀系数下降达85% 。

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  • The effects of nozzle structure, fuel gas injection velocity and excess air coefficient on NOx emission in high temperature air combustion were investigated.

    通过结构烧嘴的热态燃烧试验对比,研究了烧嘴结构、燃气射流速度过量空气系数高温空气燃烧过程氮氧化物排放影响特性。

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