| 1. | Similar materials experiment of the influence laws of load coefficient on the surrounding rock of large - section starting cut in top - coal caving face
载荷系数影响综放大断面开切眼围岩变形相似模拟研究 |
| 2. | The relation of the film thickness , the leakage and the carrying capacity of the reactions in practical condition are pointed out . it has calculated the load coefficient and spring strength and so on
指出了具体条件下膜厚、泄漏量及承载力的关系，并对干气密封的载荷系数、弹簧力等进行了计算。 |
| 3. | The optimization model of gas supplying / delivering load coefficients and the optimization model of gas supplying / delivering loads proposed in the article can provide the reference to make the gas marketing plan
文中提出的供用气负荷系数优化模型和天然气供用负荷优化模型可为制定天然气销售计划提供参考依据。 |
| 4. | Based on experience coefficient method , eccentric - pressed method and modified eccentric - pressed method , a new simplified calculation formula of the eccentric - loaded coefficients was presented according to the actual load transverse distribution on the rib
摘要基于经验系数法、偏心压力法以及修正的偏心压力法等几种偏载系数的简化算法，提出了按梁肋实际横向分配系数来计算偏载系数的简化公式。 |
| 5. | It is suggested the gas supplying / delivering load coefficients are used to measure the gas supplying / delivering load features , which has important guiding significance for the engineering design , the gas transmission price making , operation and management etc . of gas pipelines
提出用天然气管输供用气负荷系数来度量天然气管输的供用气负荷特征，对一般天然气管道项目的工程设计、管输费制订、经营管理等都有重要参考意义。 |
| 6. | Abstract : in the light of the problems of high power consumption and low working efficiency in a beam pumping unit , a new method for power saving of the unit is proposed , that is , adopting an optimum structure of the unit and decreasing the periodic load coefficient of the pumping unit by changing the performance characteristics of the electric motor and by increasing the rotary inertia of the unit
文摘:针对游梁式抽油机能耗大，工作效率低的问题，提出游梁式抽油机节能的新方法，即在采用优化抽油机结构的基础上，通过改变电动机的工作特性和增加抽油机转动惯量的办法降低抽油机周期载荷系数。 |
| 7. | The results indicated that the generation of trailing - vortex of downstream adjacent vanes could be restrained effectively by upstream wake when the passing frequency and the amplitude of wake defect satisfy some conditions , associated with a significant enhancement of time - averaged aerodynamic performances : loss coefficient reducing 40 . 2 % and the ratio of loading coefficient and loss coefficient increasing 93 %
研究表明：满足一定通过频率和亏损幅值条件的尾迹能够有效抑制下游相邻叶排尾缘涡的生成，达到控制或是推迟附面层非定常分离的目的，从而使得流场时均性能大幅度的提高，损失系数降低了40 . 2 % ，功损比增加93 % 。 |
| 8. | The main work is as following : firstly , some basic issues of economical operation of transformers are analyzed . focusing on calculating the economic load coefficient and carving up the running area of the transformer , determining the advantage between transformers , confirming economical operation mode of transformers in the parallel or divided running condition
分析了变压器经济运行的一些基本问题，主要对变压器的经济负载系数的计算、运行区间的划分，变压器间技术优劣的判定以及并列和分列运行模式下经济运行方式的确定进行了分析和讨论。 |
