平衡法

In this paper,the FEM and Fatigue Life Test Method were used to study optimization of reliability of the balance arm of some special vehicle.

平衡肘是履带车辆的关键件，该文用有限元法和疲劳寿命试验法对某特种车辆的平衡肘进行了可靠性优化研究，上述方法给出了关键部位的最佳尺寸。

With simplified assumption made for the modal trial mass ratio and the linear response characteristic of the holobalancing technique, the transfer matrix corresponding to a certain correction plane then is extended to the trial set transfer matrix, which is related to a certain order of modal trial mass set. The number of trial runs necessary for the balancing operation is reduced and the balancing efficiency is improved.

借鉴Darlow混合法中模态试重组的思想，通过对模态试重比的简化假设，利用迁移矩阵的线性可叠加性将对应于某单一平衡面的迁移矩阵扩展为对应于某阶模态试重组的迁移矩阵，从而减少了平衡高阶不平衡量所需的试重起车次数，提高了现场平衡效率，且平衡效果良好。

With simplified assumption made for the modal trial mass ratio and the linear response char acteristic of the holobalancing technique, the transfer matrix corresponding to a certain correction plane then is extended to the trial set transfer matrix, which is related to a certain order of modal trial mass set. The number of trial runs necessary for the balancing operation is reduced and the balancing efficiency is improved.

借鉴Darlow混合法中模态试重组的思想，通过对模态试重比的简化假设，利用迁移矩阵的线性可叠加性将对应于某单一平衡面的迁移矩阵扩展为对应于某阶模态试重组的迁移矩阵，从而减少了平衡高阶不平衡量所需的试重起车次数，提高了现场平衡效率，且平衡效果良好。

Firstly, the important faces of the process of precipitation of sodium aluminate were calculated preparatory using Bravais-Friedel Donnay Harker method. Secondly, the equilibrium morphology calculations were processed on gibbsite 3×4×2 super cell and its (001),(100),(010),(011),(110),(101) and (112) slab models.

首先，用BFDH法说明了生长过程中最重要的面；其次，采用晶体平衡形态法，用Morphology程序对氢氧化铝3×4×2超晶胞及其(001)，(100)，(010)，(011)，(110)，(101)和(112)面真空slab模型进行平衡形态计算，计算结果与实验结果吻合，很好地预测了各显露面族(001)，(100)，(010)，(011)，(110)，(101)和(112)面族。

The minimum reachable remaining counterbalance can be measured by test, then the checkout's testing weight can be reckoned, and it can be validated if the checkout of minimum reachable remain counterbalance of the machine is op to grade or not Ensuring unbalancing reducing rate by allowing circle graphology, then the azimuth indicatory exactitude of balancing machine is gained.

通过测试的方法，可先测出平衡机的最小可达剩余不平衡量，然后通过这个结果计算校验的试重，再验证平衡机的最小可达剩余不平衡量是否合格。通过圆图表法确定平衡机的不平衡减少率，得到平衡机在方位指示的准确度。

combining the mass unbalanced response calculation method with the dyna mic balance method of the flexible rotors on the spot and based on the 1st and 2nd order mass unbalanced models, an influence coefficients method for mass unba lanced response calculation is presented.

摘 要 将目前发电机组轴系质量不平衡响应计算方法和柔性转子现场动平衡方法相结合，在给出转子一阶、二阶质量不平衡模型基础上，提出了计算轴系不平衡响应的影响系数法。

To investigate the adsorption and desorption behavior of compound feeds, Guggenheim-Anderson-de Boer equation and modified GAB were applied to fit the equilibrium moisture content data of adsorption of a pelleted finishing broiler feed at equilibrium relative humidity from 0.11 to 0.97 and the desorption at water activities from 0.11 to 0.75 at 15℃, 25℃, 35℃ and 45℃, obtained by the conventional static gravimetric method.

为了研究成品饲料的吸湿解吸平衡规律，用GAB模型及其含温度变量的改良模型（mGAB， modified GAB）拟合静态法获得的肉大鸡颗粒料在15、25、35和45℃环境下，在11%至97%平衡相对湿度（即水活度0.11～0.97）范围内的吸湿平衡以及11%～75%（即水活度0.11～0.75）范围内的解吸平衡，得到优异的拟合精度。

The method divides block along the intersection edge of joint faces and neglects the vertical shear force between dividing-blocks i.e. takes horizontal normal force and shear force into account; as to an assumed sliding direction, by satisfying vertical force equilibrium of every dividing-block and whole force equilibrium in the sliding direction, the factor of stability can be solved.

基于此，提出分块极限平衡分析法，该方法沿非临空面交棱将块体进行分块，在忽略分块间的垂向剪力（即可考虑分块间的水平法向力和剪切力）前提下，通过满足各分块的垂向力平衡和滑动方向上的总体力平衡，求解特定滑动方向的稳定系数。

This paper introduces the principle and classification of mechanical balance,the allowable amount of unbalance and balance precision in the process of mechanical manufacturing,the balance testing method and its principle,the dynamic balancing system,and digital signal processing technology for rotating parts.

介绍了机械平衡的原理及分类，以及机械制造过程中允许的不平衡量和平衡精度，并对回转件的平衡实验法及原理、动平衡测试系统以及数字信号处理技术作了介绍，根据动平衡理论分析了平衡测试技术在生产中的应用。

According to the basic principle of self-balanced pile test method and the conversional simplified conversion method, the pile bearing capacity between the equivalent loaded piles and self-balanced piles were compared. The influence of negative skin friction on self-balanced pile test was studied. The conversion formulas of pile bearing capacity and settlement were derived.

根据自平衡测试法的基本原理，在传统简化转换法的基础上，通过等效受压桩和自平衡试桩上下桩段受力情况的对比分析，研究了负摩阻力对自平衡测试原理的影响，推得了桩承载力和位移的转换公式。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。