棘轮

这把椅子下面有棘轮调整高度。

The chair has a ratchet below it to adjust the height

考虑界面结合的SiCP/6061Al复合材料时间相关棘轮行为的三维有限元分析

3D finite element analysis for time-dependent ratcheting of SiC_P / 6061Al composites considering interface bonding

在去年12月发表的测试报告中，席图姆让来自两种不同病毒的DNA与水的混合物流过棘轮。

In tests published last December , Sturm ran a mixture of water and DNA from two different kinds of viruses through the ratchet .

SiCp/6061Al合金复合材料的室温单轴棘轮行为及热处理工艺的影响

Uniaxial ratcheting of SiCp / 6061Al alloy composites at room temperature and the effect of heat treatment

316L不锈钢的单轴棘轮效应

On the ratchetting effects of 316L stainless steel under uniaxial loading

对不完全齿轮和棘轮棘爪机构的结构进行了分析，运用VISUALBASIC软件，完成了不完全齿轮和棘轮棘爪机构的参数化造型；

Aiming at the problem of Incomplete Gearing and Ratchet and Paw mechanism analysis , taking the software Visual Basic , the parametric models of Incomplete Gearing mechanism and Ratchet and Paw mechanism are established ;

NY型内齿棘轮扳手的设计计算

Lever design of NY internally meshed tooth ratchet mechanisms

如上所述，ATR棘轮策略最讨我喜欢的地方之一是该策略的灵活性和适应能力。

As I mentioned , one of the things I like best about the ATR Ratchet is its flexibility and adaptability .

起始价格：ATR棘轮的一个非常好的特性是我们可以在任何我们中意的地方设置起始价格。

Starting Price : One of the nice features about the ATR Ratchet is that we can start it any place we want .

考虑棘轮效应对疲劳寿命影响的Coffin模型，当棘轮变形较大时，预测结果偏于不安全。

Coffin model , which combines ratcheting and cyclic strain , presentes the fatigue life predictions on non-conservative side if the ratcheting deformation is large .

首先，为了能够对材料的循环棘轮行为（Ratcheting）和循环应力松弛现象进行描述，对已有的本构模型进行了改进；

The existing constitutive model was first extended to simulate the ratcheting and cyclic stress relaxation by introducing a combined kinematic hardening model .

引入最大应变幅值衰减记忆函数L（q）和最大各向同性变形阻力衰减记忆系数w反映加载历史对循环棘轮行为的影响。

The effect of load history on the ratcheting was also considered by introducing a fading memorization function for the maximum inelastic strain amplitude and isotropic deformation resistance of the loading history .

基于单试样法建立的SRM模型用来预测在独立加载工况下304不锈钢试样的饱和棘轮应变，其安全因子介于1～1.3之间。

The safety factor is between 1 and 1.3 for SRM to predict test results of SR strains for 304 steel specimens under stresses with only one level of peak stress .

本文在两态棘轮势中讨论了多马达强耦合体系的ATP水解反应动力学，显示了集体马达不同于单个马达的协同效应（见第4章）。

Within the frame of two-state ratchet model , the kinetics of ATP hydrolysis for collective motors has been discussed in Chapter 4 . The collective motors ' cooperative behavior , which is distinguished from single motor , has been displayed .

根据这一现象，提出了棘轮门槛应力值σrth和棘轮应力σr的概念，建立了基于单参数控制的、用于饱和棘轮应变预测的饱和棘轮本构模型SRM。

According to this phenomenon , the concepts of ratchetting threshold and ratchetting stress are proposed , and a saturated ratchetting model ( SRM ) for describing the constitutive relationship between SR strain and ratchetting stress is presented .

ATR棘轮法在逻辑上是很简单的，但是你马上就能发现有许多运动点能完成一些有趣且有用的功能，比我们想象的要多得多。

The ATR Ratchet is very simple in its logic but you will quickly discover that there are lots of moving parts that perform a lot of interesting and useful functions ; much more than we expected .

现有的棘轮本构模型多以Von-Mises形式的屈服条件为基础，假设后继屈服面满足随动强化准则，通过研究背应力的非线性演化规律建立的。

By studying the non-linear kinematic hardening of the back stress , many models have been presented , based on the assumption of Von-Mises materials .

对在不同温度和应力状态下MDYB-3有机玻璃的棘轮效应进行了实验和分析。

The ratcheting behaviors of MDYB-3 PMMA during the fatigue under different temperatures were experimentally investigated .

棘轮循环加载前的蠕变行为仅影响T225NG的后继棘轮行为的演化，对饱和棘轮应变几乎无影响。

The creep before ratchetting affects evolution of ratchetting only and has little influence on saturated ratchetting .

对SS304不锈钢在室温单轴循环加载下的时相关棘轮行为和时相关应变循环特性进行了实验研究。

The uniaxial time-dependent strain cyclic characteristics and ratcheting behavior of SS304 stainless steel were studied by cyclic loading experiments at room temperature .

利用Pro/E及MSCADAMS建立该离合器的虚拟样机模型，并在MSCADAMS中对离合器动态接合过程进行仿真，分析棘轮棘爪的碰撞特性，以及中间件的啮合特性。

The virtual prototype of the clutch is built based on Pro / E and the switch process of the SSS clutch is simulated by MSC Adams . The simulation of the impact performance of the pawl and pawl wheel and the engaging performance of the middle part is finished .

基于峰值应力与饱和棘轮应变的单调抛物率关系及棘轮门槛应力值与温度的线性关系，利用单试样法建立了1Cr18Ni9Ti不锈钢常温和高温下的饱和棘轮演化模型。

Based on the parabolic relation between peak stress and SR strain , and the linear relation between ratcheting stress and temperature , the saturated ratcheting evolution models at room and elevated temperatures were presented by using single-specimen method .

但棘轮认为赚钱才是第一要务。

With ratchet , it was making money that came first .

内压循环下薄壁圆筒的环向棘轮应变预测

Prediction about Ratcheting Strain of Thin-walled Tube under Cyclic Inner Pressure

应用电化学加工技术加工内棘轮，生产率很高；

The ECM productivity of inner ratchet wheel is very high .

比例及非比例应力循环加载条件下的棘轮效应研究

A study of ratchetting behaviour under proportional and nonproportional cyclic stressing

棘轮凸轮间歇切断机构在级进模中的应用

The Application of Ratch Cam Intermittence Shut-Off Mechanism in Progressive Die

304不锈钢非比例多轴时间相关棘轮行为的本构模型研究

Constitutive Model for Non-Proportionally Multiaxial Time-Dependent Ratcheting of 304 Stainless Steel

内压弯管受对称面外弯曲时的棘轮应变有限元分析

Ratcheting analysis of pressurized elbow subjected to out-of-plane symmetric bending with FEM

Pro/ENGINEER软件在棘轮装置设计研究中的应用

Pro / ENGINEER Software Used on the Study of the Ratchet Mechanism