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When the geometric similitude ratio of the model to the prototype was determined and the loading similitude condition was satisfied by using similitude theory in structure modeling and experimental techniques, the prototype soil parameters were derived according to the model test result. The vibrating wheel compelled by harmonic exciting force was treated as a lumped mass vibrating system by equation equity method. By using this mechanical model in vibrating compaction, soil parameters were identified according to the equivalence of vibrating differential equation. The curve fitting method of amplitude versus frequency response was used for dynamic simulation based on the systematic dynamic equation of vibrating roller-soil system.

用相似理论与模型试验法在确定了模型与原型之间的几何相似比并满足载荷相似条件后，根据模型试验结果推导出了原型土体参数；用方程对等法把受简谐激振力作用的振动轮等效为集中质量振动系统，以此作为振动压实过程的力学模型，根据振动微分方程的等效条件进行识别；用幅频特性曲线拟合法以振动压路机－土壤系统动力学方程为基础，用计算机进行动态仿真。

Little is to be expected of that day, if it can be called a day, to which we are not awakened by our Genius, but by the mechanical nudgings of some servitor, are not awakened by our own newly acquired force and aspirations from within, accompanied by the undulations of celestial music, instead of factory bells, and a fragrance filling the air — to a higher life than we fell asleep from; and thus the darkness bear its fruit, and prove itself to be good, no less than the light.

但是，如果我们并不是给我们自己的禀赋所唤醒，而是给什么仆人机械地用肘子推醒的；如果并不是由我们内心的新生力量和内心的要求来唤醒我们，既没有那空中的芬香，也没有回荡的天籁的音乐，而是工厂的汽笛唤醒了我们的，——如果我们醒时，并没有比睡前有了更崇高的生命，那末这样的白天，即便能称之为白天，也不会有什么希望可言；要知道，黑暗可以产生这样的好果子，黑暗是可以证明它自己的功能并不下于白昼的。

Based on the load transmission mechanism of space truss, and referenced theanalysis of test materials, a formula for calculating the bearing capacity of reinforcedconcrete compression strut is introduced. By using the theory of plastic hinge-line, anupper limit solution of bent bearing capacity for four-pile cap, which coincidesprecisely with the practical measurements, is obtained. By utilizing the reaction ofthe soil under cap and by basing on the method of plastic ultimate analysis, an upperlimit solution of punching shear bearing capacity for pile cap is acquired, which. coincides precisely with the practical measurements, and the formula is similar to thecode.A brief discuss on cooperative work of strip beam of foundation and single rankof piles is made. Separately considering the pile-cap and the pile-group, thencoupling their matrix of rigidity, the inner force of pile-cap is solved by the numericalmethod under some reasonable supposition. In comparison with other method, thecalculating results are exact, reliable and convenient in using. The method provides apowerful tQol fOr further analysis and research on this kind of structure.

本文以空间桁架传力机理为基础，结合试验资料分析，推导了钢筋混凝土等边三桩承台受冲切承载力计算公式；根据塑性铰线理论，导得了与试验结果吻合良好的四桩承台受弯承载力的上限解；利用承台底土反力分布，根据塑性极限分析方法，导得了桩基承台受冲切承载力的上限解，在此基础上，通过简化假定，得到与规范公式相类似的承台受冲切承载力实用公式，该公式能方便考虑台底土反力作用，与试验结果的吻合程度比规范公式好；简要讨论了桩基条形承台梁与单排桩的协同工作分析；在一些合理假定的基础上，将承台与群桩分开考虑，分别得到其刚度矩阵后进行耦合，通过数值方法求解承台内力，算例表明，该方法结果准确，使用方便，为该类结构的进一步分析研究及工程设计提供了强有力的工具。

Phusis {foo'-sis} from 5453; TDNT - 9:251,1283; n f AV - nature 10, natural + 2596 2, kind 1, mankind + 442 1; 14 1 nature 1a the nature of things, the force, laws, order of nature 1a as opposed to what is monstrous, abnormal, perverse 1b as opposed what has been produced by the art of man: the natural branches, i.e. branches by the operation of nature 1b birth, physical origin 1c a mode of feeling and acting which by long habit has become nature 1d the sum of innate properties and powers by which one person differs from others, distinctive native peculiarities, natural characteristics: the natural strength, ferocity, and intractability of beasts

相关经文回前一页 5449 phusis {foo'-sis}源自 5453； TDNT - 9：251，1283；阴性名词 AV - nature 10， natural + 2596 2， kind 1， mankind + 442 1； 14 1 大自然 1a 自然之事物，自然力，自然律，自然次序 1a 相反於怪异的，不正常的，邪恶的 1b 相反於人类艺术之产物：自然分支，亦即自然运行而得的分支 1b 天生，实体原型 1c 长期习惯形成的天性而得感受及行为之样式 1d 与他人不同天生的特质及能力之总体，有别於人的天赋与众不同，天然的特质：天然力量，多产，和难驾驭的兽性

Numerical simulations were done for a bistable latch valve of the system by FLUENT, and three groups of datum for different fluids were obtained with the same effective exit sectional area. Besides, a static mathematic model for the electromagnetic valve was established based on the obtained datum. Secondly, the motion of the valve spool was realized by UDF file in FLUENT. Three kinds of motions, uniform, acceleration and motion driven by the coupling effect of the liquid resistance and the electromagnetic force, were calculated and compared. The dynamic characteristic of the electromagnetic valve was obtained by analyzing the relationship of the mass flow rate of the inside flow field of the electromagnetic valve, the change of the drop pressure of the passageway of the valve, and motion time.

并针对系统中的某双稳态电磁阀，使用商用CFD软件FLUENT对其进行内部流场的数值模拟，通过使用不同流体介质，不改变阀门有效出口截面积的情况下，分析得到的三组数据，建立了该电磁阀的静态数学模型；通过编写UDF文件，实现对阀芯运动方程的控制，在阀门做由闭合到开启、开启到闭合运动时，控制阀芯分别做匀速运动、匀加速运动以及阀芯受到液体阻力与电磁力作用力的耦合力的运动，分析了三种工况下电磁阀内部流场质量流率和阀门出口入口压降的变化以及运动时间，从而得到该电磁阀的动态特性。

Titanium plate first was cleaned by glow Discharge using argon plasma to eliminate surface contaminants and to produce a consistent and reproducible titanium oxide surface layer. Then an intermediary allylamine deposition was covalently linked to the oxide layer by glow discharge, followed by the covalent binding of albumin to the free terminal NH2 groups using glutaraldehyde as a coupling agent. Surface morphologies were observed by scanning electron microscopy and atomic force microscopy.

样本以扫描式电子显微镜及原子力显微镜﹙AFM﹚观察表面形态变化，以能量分散光谱仪进行表面元素变化之定性分析，使用X光光电子能谱仪检测表面化学键结与元素变化作定性分析与半定量分析，并以胶样金免疫标示法配合使用场发射枪扫描式电子显微镜(Field Emission Scanning Electron Microscope， FEG SEM)，观察钛金属表面白蛋白连接情形作定性分析与定量分析。

The process of clasp samples deflected by loading and returned by unloading was tested and electric signals were collected by an omnipotent material machine. The analogous electric signal was converted to digital signal by digital converter and stored in a computer. The elastic limit and the relevant enclasp force were analyzed using a relative software.

应用万能材料试验机测试采集试件加载变形及其卸载回复全过程的电信号，通过A/D转换器将电信号转换成数字信号并贮存于计算机中；应用基于MATLAB平台开发的计算机绘图软件处理分析、计算锻丝卡环弹性极限及其相应卡抱力。

Local interests are not less fostered by it. Our fellow-citizens of the North engaged in navigation find great encouragement in being made the favored carriers of the vast productions of the other portions of the United States, while the inhabitants of these are amply recompensed, in their turn, by the nursery for seamen and naval force thus formed and reared up for the support of our common rights. Our manufactures find a generous encouragement by the policy which patronizes domestic industry, and the surplus of our produce a steady and profitable market by local wants in less-favored parts at home.

地区性利益也同样得到发展，从事航海的北方同胞受到了巨大鼓舞，因为他们成为合众国其他地区大量产品广受欢迎的运输者，同时由于培养了海员，建立并训练了一支保护我们共同权利的海军，全国其他地区的人民也受益匪浅，由于保护民族工业的政策，由于剩余产品靠国内不发达地区的需要而找到了稳定有利的市场，我国的制造业受到了巨大的推动。

But the Catholic League, strengthened by support from outside, especially from Spain, was strong enough to force him to the south, and he had to set about winning his kingdom by military conquest, aided by money and troops bestowed by Elizabeth I of England.

但是天主教联盟得到外部支持，尤其是西班牙的支持，力量壮大起来，迫使他退据南方。他必得以军事征服来赢得王国。英国女王伊丽莎白一世向他提供了金钱和军队。

Work is also done by compressing a gas, by rotating a shaft, and by causing invisible motions of particles within a body by an external magnetic force.

对物体做的功，不仅由整个物体的移动来实现，还可以通过压缩气体、转动轮轴、甚至物体内部质点在外部磁力作用下的微小运动来实现。

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。