By using a numerical method, the effect of changing in magnetic field upon vibration frequency and coefficient of reduction is presented.
最后给出数值结果,表明磁场的变化对振动频率及衰减系数的影响。
The result shows that average absorption coefficient and noise reduction coefficient separately equal to0.58and0.60 and fine property of sound absorption at middle-low frequency.
结果表明材料的平均吸声系数和降噪系数分别达0。58和0。60,且材料的中低频吸声性能优良。
A cusp catastrophe model of key points horizontal displacement and reduction coefficient is built by using the strength reduction finite element method to evaluate the slope stability.
采用有限元强度折减法进行边坡稳定分析,建立边坡内最大水平方向位移与折减系数尖点突变模型,并以此作为边坡是否失稳的判断标准。
The paper discusses the methods of the coefficient reduction in determining tunnel lining's external water pressure in the world.
论述了国内外计算隧道衬砌外水压力的折减系数法和渗流场计算方法。
The pressure reduction coefficient of PE gas pipeline is an important design parameter, and depends on the soil temperature around the buried pipeline.
聚乙烯燃气管道的压力折减系数是重要的设计参数,取决于管道埋设周边地温。
Coefficient pretreatment belongs to the category of algorithm intensity reduction.
系数预处理属于算法强度缩减的范畴。
Research on drag reduction mechanism of supercavitation shows that supercavitation can reduce not only the friction drag coefficient but also the pressure drag coefficient.
超空泡减阻机理的研究表明:超空泡不仅可以减小回转体的摩擦阻力,还可以减小回转体的压差阻力。
The supply price is relied on the cost for the emission reduction, the its differential coefficient of the cost , the capital value, and the planned emission reduction in the life cycle.
其大小取决于其国内减排成本、减排成本的变化情况、卖出减排量时资金的价值、以及国家在卖出减排量寿期内计划投产的减排能力。
The minimum safety coefficient was defined as the reduction coefficient, when the system was fairly close to the limit equilibrium state through decrement of material strength step by step.
此时,系统达到临界平衡状态时所对应的材料强度降低倍数即为整体最小安全系数,临界平衡状态定义为边坡内的塑性屈服区能够形成潜在的滑移通道时的状态。
The method of strength reduction is used widely in solving the anti-slide safety coefficient of the base of dam.
强度折减方法是目前求解坝基抗滑稳定安全系数的常用方法。
The strength reduction coefficient before a well-defined equivalent plastic shear strain (EPSS) running through from the bottom to the top of a slope is considered as its safety factor.
采用边坡某一幅值的等效塑性剪应变区,从坡脚到坡顶贯通前的折减系数作为边坡安全系数。
With the increase of the ratio of speedup passenger trains, the reduction coefficient increases first and then decreases, but the variation is small.
扣除系数随提速客车比例的增加先增大后变小,但变化幅度不大。
The test results showed that the average volume heat exchanging coefficient was increased with the reduction of coke size.
结果表明,平均体积换热系数随焦炭粒度变小而急剧增加。
The deflection angle of injection mainly depends on the valve port angle and almost has no relation to the valve size, but the reduction coefficient vavies with both of them.
射流的偏转角主要受阀口角度的影响,几乎与阀口尺寸无关;但射流的收缩系数则与两者都有关系。
Also the Mohr -coulomb theory of the transfer coefficient reduction method is derived based on thrust calculation and the rigid body limit equilibrium separately.
同时也分别从推力计算和刚体极限平衡条件推导了基于摩尔-库仑理论的传递系数折减法。
Also the Mohr -coulomb theory of the transfer coefficient reduction method is derived based on thrust calculation and the rigid body limit equilibrium separately.
同时也分别从推力计算和刚体极限平衡条件推导了基于摩尔-库仑理论的传递系数折减法。
应用推荐