According to the force balance equations , the values and distributions of bond stress between steel shape flange and concrete in eccentric loading columns were established by statistically regression with experiment data . and the influence of the factors such as relative eccentricity e0 / h , the slenderness ratio l0 / h on the bond - slip properties was analyzed 利用力的平衡方程，通过对试验数据统计回归，得到了偏压柱型钢两侧翼缘与混凝土的粘结应力的大小及分布规律，并分析了偏压柱长细比、偏心距对其的影响。
Based on the tests of 23 rc columns , the strength capacity , stiffness of the columns strengthened with cfrp have been researched ; ductility , the distribution of cracks and failure modes of retrofitted columns have been analyzed . this paper investigated the degree of cfrp function on different eccentricities , and discussed the influence to strengthening effect on the basis of different strengthening mode and concrete strength 本文完成了23根钢筋混凝土柱的试验研究，研究了粘贴碳纤维布偏压柱承载力和刚度的变化；分析了碳纤维布粘贴对柱延性、裂缝分布及破坏形态的影响；研究了在不同偏心距下碳纤维布的作用发挥程度；比较了不同粘贴方式和不同混凝土强度对加固效果的影响。
An analytical discussion was carried out upon the transmission scheme , assembly condition , eccentricity condition and uniform loading of k - h kind and ngw modeled gear mechanism , and some important conclusions were reached that this kind of mechanism possesses rather large speed increasing ratio , comparatively good uniform loading and dynamic equilibrium , thus provided necessary theoretical bases for the development and application of this mechanism 摘要对k - h类ngw型齿轮机构的传动方案、装配条件、偏心距条件及均载进行了分析讨论，得出了这种机构具有较大的增速比及较好的均载、动平衡等重要结论，为这一机构的开发应用提供了必要的理论依据。
These results demonstrate that the effect of improving the bearing load of structure is very good by strengthening the member of eccentricity compression under pre - stress . the ultimate bearing capacity of strengthened column is closely related to the eccentricity distance . in the condition of eliminating the lagging strain of angle iron , the magnitude of pre - stress putting on the angle iron has litter impact on the ultimate bearing capacity of structure 偏心受力构件的有限元计算结果表明：预应力法加固偏心受力构件，其对结构承载力的提高效果显著；加固柱的最大承载力与柱的偏心距有密切关系；在消除角钢应变滞后的条件下，对角钢施加预应力的大小对结构最终承载力无明显影响。
The control of lateral - torsional coupled seismic response of structures is discussed . the analysis on unilateral , bilateral and lateral - torsional coupled seismic response of base - isolated structures with sliding friction bearings is carried out . the influence on lateral - torsional coupled seismic response of base - isolated structures due to the excentricity and the uncoupled period ratio of the superstructure is investigated , and the control of lateral - torsional coupled seismic response of structures is discussed 对摩擦滑动支座基础隔震结构进行了单向及双向地震反应对比分析，研究了结构平?扭耦联地震反应，分析上部结构的偏心距及非耦联周期比对结构的平?扭耦联地震反应的影响，探讨了对结构平?扭耦联地震反应的控制。
The thesis studied the change of stress triaxiality in the four - point curved beam made in 16mnr with arc - tip crack and its important effect . in the beam , the points of peak value of stress triaxiality distribute along a line , whose direction is well consistent with the fracture direction got by experiment when so > 3mm 在圆弧裂纹试件中，裂尖附近的三轴度较高的点呈脊线分布，按照脊线分布拟合计算得到的三轴度脊线夹角在偏心距so 3mm时与试验测得的断裂角符合较好，这种情况下试件发生的是韧窝型断裂。
Abstract : mechanism of optimal cutting movement track for stone sawing machine was analyzed . the system mathematical formula was established , the calculation expressions of system technique parameter and the exact calculation methods of optimal offset data were reduced , and the optimization for complex movement mechanism was realized 文摘:分析研究了锯石机切削石材运动轨迹的机理，推导出了关键技术参数的计算公式和偏心距数据选定的精确计算方法，实现了复合运动机构的优化设计。
The solutions of maximum measurement range and the methods to increase the measurement are given in the condition of stable state and the restricted parameters . how to compensate dynamic performance of servo - system and the analysis of response of system in different inputs are given , too . in this paper the movement equations of the seismic mass of inertial sensor are derived by the known models of the accelerometer 主要包括：敏感质量偏心距、横向加速度干扰和外加偏压对传感器稳定性的影响，给出稳定和参数受限条件下最大量程的求解以及提高量程的方法，研究如何补偿伺服系统动态性能，以及不同输入条件下系统响应的分析。
The optimal parameters of making high silicon content aluminum alloys is : spray height is 220 - 230mm , spray angle is 30 ? the scanning velocity of atomizer is 30mm / s , the original offset of the substrate is 30mm , rotation velocity of the substrate is 120rpm , spray gas pressure is l . ompa , the diameter of the delivery tube is 3 . 6mm , the drawing velocity of the substrate will be adjusted on - line with a plc on the basis of the spray 通过对多层喷射沉积原理及工艺参数的研究，得出制备al - 22si - 3cu - 1mg合金的最佳工艺参数为：喷射高度为220mm - 230mm ，基底转速为120rpm ，雾化器扫描速度为30mm / s ，基底下降转速依据喷射情况由智能控制器进行实时调整，喷射角度为30 ，初始偏心距为30mm ，导流管直径为3 . 6mm ，雾化气压为1 . 0mpa 。
The threshold speed and the typical characteristics of the oil whip of the system are simulated under the nonlinear model of oil film force , and the state of motion and type of the bifurcation are analyzed by floquet multiplicators which is computed by the shooting method . secondly , the the nonlinear dynamical model of the low - pressure rotor - bearing system by column bearing with reduced dimensions is presented . the numerical results show the rule of the amplitude with the eccentricity of rotor , the length - to - diameter ratio , oil viscosity and the clearance - to - radius ratio of the bearing under the definite speed 其次,对降维后的低压转子?轴承系统的非线性动力学方程,计算了圆柱瓦轴承支撑的转子系统的振动稳定性在固定转速下随偏心距、轴承长径比、润滑油动力粘度和轴承间隙比的变化规律,并分析了转子前轴承轴颈的失稳转速与转子偏心距、轴承长径比、润滑油动力粘度和轴承间隙比之间的关系,同时利用floquet理论分析其运动状态和分岔类型。
