压应力

Concentrated stress and parasite displacement are two key factors that influence the performance of micromanipulator based on flexure hinge and piezoelectric actuator.

集中应力和耦合位移是影响基于柔性铰链和压电陶瓷驱动器的微操作器性能的关键因素。

The value of the minimum stress is one of the most important parameters in hydraulic fracturing.

最小应力值是水力压裂最重要的参数之一。

This relieves stress from the blend force of explosion's impact;any bowing or misshape curves are flattened out by either 3 million pound press, or it's in the cladder, by a series of rollers, known as levelers.

这些修正包括在烘箱加热让金属软化瞬间，以消除爆炸融合引起的应力；用三百万磅的压力压平任何弯曲或曲变；或者用校平辊校正复板内的变形。

Through model test of new high- strength steel conical shell with ring frame ,and relevant analysis,it is shown in this paper that the failure of ring-framed conical shell can be traced to the neutral plane on longitudinal section where the structure strength is relatively weak.

通过新的高强度钢材环肋圆锥壳模型实验，及采用解析方法分析表明，环肋圆锥壳体破坏的原因是结构相对薄弱处纵剖面上的中面应力所致。并提出用"灰色系统"理论预测破坏载荷的计算方法，建议今后模型实验和现役潜艇的耐压船体寿命估算中可采用这种方

The machinery design in engineering of external pressed vessels is based on the mathematical model of critical press and metallic material's stress-straincharacteristic curves together with the nomography.

对于外压容器的机械设计，在工程上是以临界压力P_(cr的数学模型和金属材料的应力-应变特征曲线结合的图算法完成。

And its temperature rise is much lower, which is beneficial to keep the thickness of its oil film.

证明了由于副中的压力很低，润滑剂的压粘效应和剪切应力远比高模量时小，这有利于减小润滑剂的拖动力。

To provide optical fiber: Fiber Distributed Temperature Stress Test System, Fiber Distributed Temperature Measurement System, Fiber Bragg Grating Health Monitoring System, fiber optic geophone systems, fiber Bragg grating wavelength calibration instrument and so on, which sensor product line is extremely rich and has industry representation, including: fiber optic temperature hygrometer, fiber-optic gas alarm, fiber-optic magnetic field sensors, optical fiber vibration sensor, fiber-optic high temperature pressure sensors, fiber-optic WIM system , fiber optic strain gauge welding, fiber optic embedded strain gauge, optical soil pressure gauge, fiber reinforcement meter, fiber optic pressure ring, fiber-optic displacement meter, fiber cracks meter, fiber optic osmometer, fiber-optic temperature sensor high temperature , optical fiber cable meter and so on.

北京达卡科技有限公司光纤方面提供：光纤分布式应力温度测试系统、光纤分布式温度测试系统、光纤光栅健康监测系统、光纤地震检波系统、光纤光栅波长校验仪等，其中传感器产品线极为丰富和具有行业代表性，包括：光纤温湿度计、光纤瓦斯报警器、光纤磁场传感器、光纤振动传感器、光纤耐高温高压传感器、光纤动态称重系统、光纤焊接式应变计、光纤埋入式应变计、光纤土压力计、光纤钢筋计、光纤压力环、光纤位移计、光纤裂缝计、光纤渗压计、光纤耐高温温度传感器、光纤钢索计等。

Structure and the frequency output characteristic of the quartz crystal sensor are described.

介绍了石英晶体传感器的结构及频率输出的特点，分析了由石英晶体构成的温度、应力、微质量、声压等传感器的测量机理，评述了与其对应的各种应用及其优缺点。

Overpressure when the weak plane tensile stress to ultimate strength of the material was broken.

超压时其薄弱面上的拉伸应力达到材料的强度极限发生断裂。

Flexure Hinge ; Piezoelectric Actuator ; Hysteresis ; Precision Positioning ; Compound Parallel Four Bar ; Parasite Displacement ; Concentrated stress ; LS-SVMR Preisach Hybrid Model ; Support vector machine ; Residual Vibration ; Input Shaping Technology ; Steady State Error ; Hybrid Controller ; PID Controller

浙江省自然科学基金；柔性铰链；压电陶瓷驱动器；迟滞非线性；精密定位；复合平行四杆；耦合位移；集中应力； LS-SVMR与Preisach模型；支持向量机；残余振荡；输入整形；稳态误差；混合控制器； PID控制器

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。