1、

Taking a carborundum brick of which the thermal conduction coefficient was given as specimen, the measuring error of it is less than 8%.

通过测量已知导热系数的碳化硅砖的导热系数,得其误差小于8%;

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3、

Drag coefficient Cd as a function of cavitation number;

阻力系数随空泡数的变化规律;

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4、

Accurate confirmation of hydro-turbine output with critical cavitation coefficient

利用临界空化系数精确确定水轮机出力

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5、

This paper presents the major parameters of hydraulic turbines one by one, such as rated head, specific rotating speed and specific speed coefficients, unit flow, unit speed, cavitation coefficient, efficiency, stability etc.

对构皮滩水电站水轮机的额定水头、比转速及比速系数、单位流量、单位转速、空化系数、效率、稳定性等逐一进行论述,介绍了基本参数和参数水平。

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6、

Moreover, the cavitation coefficient that can describe the strength of cavitation is definitude. It has a good consistency with the theoretical maximum sound pressure.

此外,定义了描述空化强弱的空化系数K,并将其与通过理论计算所得的空泡振动最大声压进行比较后发现两者有着较好的一致性。

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7、

In this paper, from Bernoulli's equation of silt-laden water flow, the formulae of cavitation coefficient and static draft head of a hydraulic turbine in silt-laden water flow are ascertained theoretically.

本文以含沙水流时的伯努利方程为依据,从理论上推导了含沙水流时水轮机的汽蚀系数与吸出高度计算公式;

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8、

However, for bulb turbine, the discharge is large, the number of runner blades is less, the total area is small, cavitation coefficient is large, Intensity condition is bad, as a result, the application head is limited.

但由于贯流式水轮机转轮叶片数少,叶片总面积少,而过流量又较大,气蚀系数大,且叶片强度条件差,故其适用水头是有限的。

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9、

Cavitation Monitoring System Based on Surface of Critical Cavitation Coefficient

基于临界空化曲面的空化监测系统设计

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10、

The actual operation shows that the equipment cavitation is very serious by the method of setting cavitation coefficient in many cases.

实际运行表明在很多情况按该方法设定空化余量的水力机械设备空蚀情况非常严重。

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12、

A kind of optimization containing step function in coefficient is studied in this paper.

研究了一类系统含阶梯函数的优化问题.

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13、

On One Method of Solving Function of Known Function to the Differential Coefficient of Intermediate Variable

关于已知函数对中间变量的导数求函数的一种方法

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14、

Tyr in blood, foot, liver heart was continuously in a poor level with no clear distribution coefficient peak which indicated that these tissues had a weak function in Tyr metabolism in mussel.

血液、心脏、唇瓣、斧足、肝脏和生殖腺中的酪氨酸分布始终较低,也无明显的分布系数峰,表明它们对蚌酪氨酸代谢无显著的影响。

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15、
16、

According to the characteristics of chemical industry system and the needs of reliability analysis and design, this paper defined the unit function coefficient in chemical industry process as the ratio between the function which is born by the unit and the system ′ s total function.

根据化工系统的特点和可靠性分析设计的需要,定义了化工单元功能系数为:单元承担的功能与系统总功能的比值.以化工串联系统、温贮备系统。

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17、

The method measures the similarity of durability index series of components by the use of similarity coefficient and forms a fuzzy equivalence matrix with sort function.

该方法利用相似系数在各构件的耐久性指标序列之间进行相似性度量,并形成了具有分类功能的模糊等价矩阵。

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18、

Coefficient formulae derived belong to forms of the sine function.

所推导的系数公式都属正弦函数形式。

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19、

Analysis on Heat Pump Function Coefficient with Load Performance

变负荷运行对热泵性能系数影响的分析

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20、

To avoid this circumstance, this paper puts forward a method for normalizing Haar function and judging dangerous appearance in combination logic circuit by use of ha coefficient map under the condition of variable number < 6. This method has the characteristics of being simple and direct.

为避免这种现象,给出了Haar函数归一化的一种方法以及在变量数<6时用ha系数图判断组合逻辑电路险象的方法,该方法具有简单、直观的特点。

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