查询词典 intrados

An arch with a straight horizontal extrados and a slightly arched intrados.

一种拱背水平、拱的内面有个轻微弯曲的拱形。

Owing to the effect of stress hardening and Bauchinger, the mechanical properties at the intrados and extrados of the elbow are obvious different.

但由于应变硬化和鲍辛格效应的影响，使该弯头外弧和内弧力学性能存在明显差异。

It is found that the former provide more uneven circular stress state than the latter after comparing the circular stresses both of intrados and extrados,which extrados stress is large and intrados stress is small.That is confirmed by the results of experiment that the practical burst pressure...

结论认为，内压作用下的弯管结构属于有力矩旋转壳，整体环壳第二弯曲半径由外拱区的正半径变化为内拱区的负半径，引起应力性质的变化，只考虑薄膜应力的弯管内压爆破理论存在不安全的因素。

Under the loading of internal pressure or in-plane bending moment, the plastic load analysis solutions of pipe bends with longitudinal crack on bend crown, intrados or extrados are studied and verified by experiments.

系统地研究了在内压或平面内弯矩作用下处于几何中性线，内、外拱线的弯管纵向裂纹塑性极限载荷的解析解，实验验证了本文分析是正确的。

The faces of turbine blade s body is complex,in the general CAD platform,fitting spline of intrados and convex based on points of data,creating fillet of leading edge and trailing edge,and achieving the body of turbine blade at last are all complicated processes.

汽轮机叶片叶身型面比较复杂，在通用CAD系统中，根据数据点拟合出内、背弧样条曲线，修进出汽边圆角，最后根据每个截面形状得到叶身实体，都是比较复杂的过程。

XieAn will develop enhanced emergency communication solutions for the public safety and disaster management agencies of China and combine Intrados emergency services、9-1-1 call routing and location provisioning experience with PDAgers enhanced emergency calling service platform to deliver effective emergency communication solutions for local China environment.

协安技术将为中国公将秽物倒进河水，还在河边冲洗，用刷子擦，坚硬的塑料须擦着金属面，磨出笨拙的窸窣声，如同猫鼠在青瓦屋顶追逐，或者安部门和灾难防范机构提供增强型紧急通讯解决方案，并将Intrado公司在应急联动服务、911呼叫出警调度、定位系统上的专业技术与协进科技增强型紧急救助服务的平台结合起来，因地制宜，为各种环境提供有效的紧急通信解决方案。

The inside surface difference between flank-extrados and flank-intrados of any section of loop shell should induce the force difference when the loop shell under internal pressure. The force difference in ring shell can balance itself.

对于内压作用下的任何弯管，因为弯管中线上径向向外的管壁表面积均要比中线上径向向内的管壁表面积大，两者面积之差在同一内压作用下产生面积压力差。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。