• 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的取值,可以控制边界层的分离,进而改善泵的性能,提高其水力效率。

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  • Aimed to decrease damping coefficient and enhance pump's dynamic performance, a method for reducing the radial plunger pump stator forces was developed by analyzing the type JBP-63 pump stator forces.

    为了降低阻尼系数进一步提高泵的动态性能,通过对JBP-63型径向柱塞变量泵定子受力仿真分析,研究了减小径向柱塞液压泵的定子不平衡力的方法。

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  • By choosing the proper number of phase coefficient factor needed to be changed, it can make a choice or optimization between the computation complexity and the PAPR performance.

    通过选择合适的需要改变的相位系数因子数目,可以实现在计算复杂度和PAPR性能之间进行取舍优化。

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  • The four-ball machine test showed that the suspension possessed good extreme pressure performance and common antiwear performance; and had no effect on the friction coefficient by the MTM test.

    四球试验结果表明,该悬浮液具有较好的极压性能,抗磨性能一般,MTM试验显示该悬浮液对摩擦系数影响不大。

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  • The output mean value was increased and the variance was decreased by choosing suitable partial interference cancellation coefficient for MV-PIC, and its performance of code error is superior to PIC.

    选择恰当的部分干扰消除系数,可以使MV-PIC的输出均值增大、方差减小、误码性能优于PIC检测器。

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  • A frequency bias coefficient setting technique is proposed by analyzing the investigative status abroad and AGC performance in China.

    在分析国外研究状况及中国AGC实际运行的基础上提出了一种频率偏差系数确定方法。

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  • The concept of Associated Coefficient of Performance was presented, and the feasibility of air-conditioning system assisted by medium-high temperature heat pump was analyzed.

    提出了联合性能系数的概念,分析了利用中高温热泵辅助太阳能空调系统的可行性。

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  • By comparison of inlet total pressure recovery coefficient, attack-angle performance of chin inlet and two-dimensional inlet are superior to frontal inlet.

    对不同布局的总压恢复系数进行比较,颌下及两侧进气则较头部进气有好的攻角特性。

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  • The drug concentration was determined by high performance liquid chromatography(HPLC) to calculate the apparent permeability coefficient.

    运用高效液相色谱法检测药物浓度,计算其表观渗透系数。

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  • The drug concentration was determined by high performance liquid chromatography(HPLC) to calculate the apparent permeability coefficient.

    运用高效液相色谱法检测药物浓度,计算其表观渗透系数。

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