查询词典 cycle method

The theory and approach are introduced, and the general expression containing arbitrary parameter is obtained for the feedback gain matrix. This method changes the problem of multi-input system to several problems of single-input. The number is the cycle index of system matrix. Compare with some known results, this method put forward that the least number of unknown entries of the feedback gain matrix is the order of the system matrix.

汽配置问题，得到了反馈增益矩阵的一般表达式，此表达式中含有任意参数，此方法将多输入线性系统极点配置问题转化为个数为系统矩阵循环指数的单输入系统的极点配置问题，进而推导出确定一个反馈增益矩阵的最少元素个数即为系统的阶数。

Both single and double-stable limit cycle flutter states are found in wind-tunnel test. And the conclusion is proofed that the equivalent linearization based on the second order asymptotic solution of KBM method is more accurate than that based on the first order one, which is equivalent to the conventional harmonic balance method.

风洞实验时，吹出了单、双稳定极限环颤振情形，并验证了基于KBM二次渐近解的当量线化分析比KBM法一次渐近解的当量线化分析要精确一些的结论。

Although 1 C formation method increased the battery capac-ity and the negative electrode's ability to absorb O2, it brought negative effects on the performance of high rate discharge, cycle life and uniformity. In the mean time, the performance of the batteries, produced by 0.5 C formation method, was well except for capacity.

指出采用较大电流开口化成制度，虽然可以提高电池的容量及负极氧复合的能力，但对大电流放电性能、循环寿命及电池的均匀性等都带来十分不利的影响；而采用0.5 C开口化成制度的电池，除了容量略低外，其它性能均很好。

And it presents in the following respect mainly; Firstly, the idea and mode of thinking can't suit the need of the new developing situation; Secondly, training policies and regulations system of the civil servant is not perfect, and it need to strengthen further in accordance with the law; Thirdly, the training system is not obeyed, organization structure is standard, training's standard is not unified; Fourthly, training's fund is insufficient, the teaching equipment is outmoded, the teaching means lags behind; Fifthly, target quality raise constantly, give training propose high demand; Sixthly, train teachers' team is unstable, the structure is unreasonable, whole quality remains to improve, the teaching method remains to improve; Seventhly, the cycle of renewal of knowledge accelerate, training materials, course offered can not catch up with the demand for development of era, can't meet need of civil servant's training; Eighthly, with the execution of educational industrialization and coming of training mercerization, targets face the challenge of the competition; Ninthly, there is less communication between the educational organizations, information does not flow smoothly; Tenthly, the function of scientific research and consult doesn't affect play enough, and the study of civil servant train theory is insufficient; Eleventhly, training content is not norm, and training method is not advanced.

主要表现在以下方面：一是观念和思维方式不能适应新形势发展的需要；二是公务员培训政策法规体系不完善，依法培训有待进一步加强；三是培训工作体制不顺，机构设置不规范，培训标准不统一；四是培训经费投入不足，教学设备陈旧，教学手段落后；五是培训对象素质不断提高，给培训工作提出了更高要求；六是培训师资队伍不稳定，结构不合理，整体素质有待提高，教学方法有待改进；七是知识更新周期加快，培训教材、课程设置跟不上时代发展要求，不能适应公务员培训需要；八是教育产业化的实施和培训11市场化到来，培训对象面临竞争的挑战；九是施教机构之间缺乏沟通，信息不流通；十是科研、咨询功能发挥不够，公务员培训理论研究不深；十一是培训内容不够规范、培训方法不够先进。

As shown in the cycle-stiffness curve, the stiffness was significantly higher for Krag and caudad method than for Magerl method (P.01). Conclusion In osteoporotic lumbar vertebrae, the placement of pedicle screws should not paralled superior endplate and polyaxial pedicle screws should be chosen.

对于骨质疏松患者的腰椎后路椎弓根螺钉内固定手术，常用的螺钉平行上终板的技术不能提供最好的生物力学稳定性。

Methods In vitro, human gastric cancer cell line SGC-7901 in log phase was intervened by As_2O_3 (final concentrations in order:1.0,5.0,10.0μmol/L) and 5-Fu (final concentration:50mg/L) respectively alone or in combination, and incubated for 24h、 48h、 72h. Blank group is set up. The cell apoptosis and cell cycle changes were observed by flow cytometry, and the expression of apoptosis-related gene Bcl-2 was analyzed by immunocytochemical method and absolute gray scales quantitative method.

将对数生长期的人胃癌细胞株SGC-7901(终浓度为2×10~5)经低、中、高三种浓度的As_2O(终浓度分别为1.0，5.0，10.0μmol/L)和5-Fu(终浓度50mg/L)单独及联合处理，设空白对照组，分别孵育24h、48h、72h后，收取标本采用流式细胞术测定细胞凋亡率及细胞周期变化；免疫组化绝对灰度定量分析检测凋亡抑制基因Bcl-2的表达。

By using the basic method of virtual design and motion simulation of mechanical system based on Solid Works, virtual design of the robot of excavating tree stump was completed by synthetically using parametric and variable modeling technology and top-down design method. In case of the carrier was changed, the COSMOSMotion2006 was used to perform the motion simulation and optimized the parameter of the interface and the mechanical arm, by this way the useable of the new frameworks was confirmed, and in favor of reduce the exploiting cycle and exploiting cost.

通过使用SolidWorks软件的机械系统虚拟设计和运动仿真的基本方法，综合运用SolidWorks的参数化、变量化建模技术以及自上向下的设计思路，完成伐根清理机器人及其行走底盘的虚拟建模，并对由于行走底盘的改变而重新设计的接口和机械臂采用最新的COSMOSMotion2006软件进行了运动仿真和参数优化，以确定其机构可用性，有利于缩短产品的开发周期和减少开发费用。

Firstly, a new design method of cam profile has been developed by using finite terms of Fourier Series in the cycle of cam angle as the basic equation of cam profile, so the difficulty of base circle wave existing in the method of resonant cam design can be eliminated. On the other hand, the method proceeds from the acceleration of cam profile, which makes the acceleration not only smooth and continuous, but also easy to be controlled, and the cam profile with good performance can easily be acquired.

此方法用以凸轮包角为周期的富立叶级数有限项作为凸轮型线的基函数，可以免去谐波凸轮设计时控制基圆波动的困难；此方法又是从凸轮型线的加速度曲线入手进行设计，使型线加速度不但光滑、连续，而且形状容易控制，便于设计出动力性能优良的凸轮型线。

First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in UG software. The elastic contact problem is analyzed in finite element method and is used to the parameters' distribution and contact stress of the joint are obtained on the base of ANSYS code. With the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high/low cycle complex load is proposed. The proposed model and the approach were verified by experiments.

本文介绍了微动损伤的机理和微动疲劳寿命的研究方法；利用UG软件对燕尾榫联接结构创建了参数化实体模型；基于ANSYS软件平台求解弹性接触问题，获得了榫联接结构接触应力及接触状态量的分布；在已有微动疲劳寿命预测模型的基础上，引入载荷频率影响因子，对低周、高低周复合载荷作用下的燕尾榫联接结构进行了微动疲劳寿命的预测，与试验结果对比表明采用本文提出的方法预测榫联接结构的微动疲劳寿命是有效的。

The results of conversion show that the serious disc must be rejected because its reliable L-HCCF life is greatly less than an overhaul period. Finally, the load distribution of centrifugal and vibration force on labe is derived. Using two method, load on the crack labe gradually reducing and keeping constant with the crack propagation, a crack propagation analysis of fir-tree slot is carried out, and the calculating L-HCCF crack propagation life of slot on the unload method, which is nearly 3 times longer than that on constant method, is 20 times shorter than the pure low cycle life, and agree well with the experimental's.

最后，分析了离心力载荷和振动载荷在榫齿上的分布，进行了榫槽榫齿的有限元计算；提出了枞树型榫槽的卸载概念，并按带裂纹榫齿上的承载随裂纹增长而逐步减少和始终保持不变两种处理方法，进行了复合疲劳裂纹扩展及其寿命计算，由计算得出卸载下复合疲劳裂纹扩展寿命较单纯低周疲劳寿命下降二十多倍；按卸载处理的疲劳裂纹扩展寿命是按恒载处理的三倍多，前者与试验吻合，而后者则偏差较大。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。