一个咀嚼周期结束时，牙周膜有残余应力存在。
There is some level of residual stress left after one mastication period.
本文采用一种边界积分方程法，计算了共线周期反平面裂纹的动应力强度因子。
In this paper, a boundary integral equation method is applied to compute the dynamic stress intensity factors of collinear periodic antiplane cracks.
静力优化设计的优化目标是截面截面应力平方均值最小，动力优化设计的优化目标是结构自振周期平方和最小。
The target of static optimization is to minimize the average of the squared sum of stresses while the target of dynamic optimization is to minimize the squared sum of natural vibration periods.
通过改进设计，降低峰值应力，既延长了大修周期，又延长了使用寿命。
Not only the overhauling period but also the fatigue life is extended by improving the design and reducing the peak stress.
研究结果表明，前叉立管在周期应力作用的环境中使用，非常容易形成疲劳裂纹，由此导致了摩托车前叉立管的断裂现象。
The investigation shows that the vertical shaft of the front fork is subject to fatigue flaw due to the cyclic stress, which leads to the fracture of the vertical shaft.
一个咀嚼周期结束后，牙周膜有残余应力存在。
Some level of residual stresses in periodontal ligament was left after one mastication period.
采用桩土分析法，计算分析在一个荷载周期内，弹性路基内各研究节点的位移、竖向应力、桩土应力比的瞬态响应。
Then, transient response of vertical displacement, vertical stress and pile-soil stress ratio of some nodes in the elastic subgrade are computed in one single load cycle.
将骨重建过程与有限元分析相结合，对尖牙在一个治疗周期内的倾斜移动过程进行模拟并得到各阶段的应力分布。
With combining bone remodeling with finite element analysis, the dynamic process of canine tipping movement during a therapy period is simulated and the stress distribution in each phase is obtained.
该改造工程不需要对预应力钢筋二次张拉和对结构进行临时支撑，因而明显地缩短了施工周期并节省了工程费用。
Using this new technology, there needs no the second tensioning of the prestressing tendons and temporary braces, thus the construction period and cost can be cut down obviously.
结果计算得到了人体主动脉弓内的血液流动在心动周期不同时刻的速度场、压力、壁面剪切应力的分布特征。
Results Distributions of blood velocity, pressure, wall shear stress (WSS) in the human aortic arch at different point during one cardiac circle were determined by calculation.
本文提出以钢锭模一个使用周期的温度场和应力场的数值模拟结果为依据优化设计钢锭模的方法。
In this paper, the optimum designing method for dimension of ingot mould based on numerical simulation of temperature and thermal stress field in a cycle of use is proposed.
应用流式细胞术分析烟草细胞在交变应力作用下细胞周期的变化。
Flow cytometry was used to measure cell cycle parameters in tobacco cell suspensions acted by alternative stress.
对本文研究的水工建筑物温度应力仿真系统，结合南京三汊河水闸工程进行了试运行，得到了较为合理的计算结果，证明采用本系统可以较大缩短温控研究周期。
Use the system to calculate the pier concrete thermal stress on SanCha River in Nanjing, and have reasonable results, which prove this system can increase working efficiency extremely.
进一步增加调制周期，两调制层之间产生非共格界面，破坏了薄膜中的交变应力场，薄膜的硬度和弹性模量也随之降低。
Further increasing modulation period leads to the emerge of incoherent interface and the destroy of alternating stress field, accompanied by the decreased mechanical properties.
结果显示：纬向风应力有35、47和57个月周期的传播型振荡； 经向风应力有28和38个月周期的传播型振荡。
The results show that the oscillations of zonal wind stress have 35 47 57 months, the oscillations of meridional wind stress have 28 38 months.
橡胶制品通常是在周期性应力状态下使用的，材料的疲劳断裂性能往往决定这些制品的使用寿命。
Rubber products often endure cyclic stress state in service, the fatigue characterization of rubber materials often determines products service life.
建立考虑维修效应和修后应力史变化的结构寿命周期可靠性模型是有待开展的重要工作；
The structural reliability models should be developed to consider the different effects of restoring structural functions and the affects of new fatigue stressing process after repair.
在铝薄带超常铸轧过程中，铸轧辊套温度场周期性的变化引起铸轧辊套内热应力场的周期性变化。
Roll shell's thermal stresses cyclically vary with the changes of its temperature field in the process of twin roll casting.
利用粘滞模型计算了印缅板块地区壳幔的理论应力释放周期为56年，与该地区的强震活动周期基本吻合。
The theoretical stress releasing period of crust and mantle in India and Burma plate is calculated by viscoelastic model. It is about 56a and close to the strong earthquake activity period.
结论：不同周期性应变对细胞微丝结构产生一定的影响，微丝在细胞感应力的响应中起重要作用。
Conclusion: The structure of cytoskeleton were effected by cyclic strain force, it play a important role in influence strain.
不同周期性应变对细胞微丝结构产生一定的影响，微丝在细胞感应力的响应中起重要作用。
The structure of cytoskeleton were effected by cyclic strain force, it play a important role in influence strain.
构造活动改变地层的空间形态，同时产生周期性的应力震荡变化。油气作为储存在地层中的流体矿产，在运聚期明显要受到构造活动的影响。
An active tectonic movement changes the space shape of stratum and result in periodic stress concussion, which will influence hydrocarbon migration and accumulation as fluid deposit in stratum.
对于覆岩应力场和覆岩破裂有影响的采矿因素是工作面推进速度、采矿周期性和顶板管理方法。
The mining procedures which have an influence on the stress field in the strata and the fracturing of the roof are the rate of daily face advance, the mining rhythm, and the nature of working.
增压器高压腔体为承受周期性环向高应力的厚壁筒，在超高压下缸价内径与柱塞外径应变值不同，从而形成工作间隙。
The high pressure cylinder of the booster is a thick wall barrel which can bear the high periodic circumferential stress.
这种每秒几次的周期性应力，将脆性积垢粉碎成小颗粒，可以较容易地携带到地面。
This stress cycling occurs several times each second and causes brittle scale to shatter into small particles that are easily transported to surface.
影响岩石疲劳寿命的主要因素是周期荷载的上限应力和幅值。
The amplitude and maximum of cyclic load are the most important effect factors on fatigue lifespan of rock.
直线电机在执行重复性跟踪控制任务时，负载扰动、端部效应力及摩擦力会呈现周期性变化。
Load disturbance, end effect and friction likely appear periodically when a linear motor carrys out task repeatedly.
在顺流向初应力为压应力状态下，系统存在非周期响应，如概周期振动及混沌运动。
When the initial stress is pressure stress, more complicated responses such as almost-periodic solutions and chaos motion are found in the system.
本文通过对DTC-199型周期扭转荷载三轴仪进行简单的改造后，可以较好的模拟压实黄土地基或路基在受到循环动荷作用前所处的复杂初始应力状态。
This paper reformed the DTC-199 Type-torsional cyclic load triaxial apparatus, it can better simulate complex initial stress conditions of compacted loess foundation or sub-grade.
本文通过对DTC-199型周期扭转荷载三轴仪进行简单的改造后，可以较好的模拟压实黄土地基或路基在受到循环动荷作用前所处的复杂初始应力状态。
This paper reformed the DTC-199 Type-torsional cyclic load triaxial apparatus, it can better simulate complex initial stress conditions of compacted loess foundation or sub-grade.
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