泡沫材料可用厚截面达到所需的刚度，可实现大的壁厚变化。
Foams can be used where thick sections are required to achieve rigidity, and can accommodate large wall thickness variations.
利用连续速度场分析了圆管空拔过程，建立了空拔壁厚变化量计算式。
Pipe sinking drawing is analysed using continuous speed field and the equations of wall thickness variations in sinking drawing established.
经验证，该式计算的空拔壁厚变化量与实际值基本一致，可用于工程计算。
By test, the variations calculated with the equations are in conformity with the actual values and can be used in engineering calculation.
该机器人采用足脚式移动机构，并采用一种由真空泵驱动的壁厚变化的软吸盘机构。
The robot in plan possesses feet-type movement and a kind of variable thickness soft acetabulas which are driven by vacuum-pump.
依据实验结果和回归方程，对影响楔横轧空心件壁厚变化的主要因素做了分析讨论。
According to the experimental results and the regressive equation, analysis for the main factors how to influences the wall thickness of hollow workpiece rolled by cross wedge rolling is presented.
研究了空心件楔横轧成形过程壁厚变化的规律，并给出了根据工艺条件预测壁厚变化值的公式。
Finally, a formula used for predicting the change of wall thickness by the process parameters was given. The results obtained in this study could be us...
通过实验对影响壁厚变化的主要因素作数学回归，建立起简便实用的壁厚回归模型，对于现场生产有着重要的指导作用和使用价值。
Practical wall thickness model has been established by regression on major effect factors, and it plays an important and practical role in actual production process.
随着芯棒伸出量的增加，管材弯曲过程中的壁厚变薄率变化趋势可分为三个阶段即线性下降阶段、过渡阶段和非线性增加阶段。
As the length of mandrel extension increases, the trend of thinning-rate change can be failed into three stages, namely linear decrease stage, transitional stage and nonlinear increase stage.
结果：绝大多数肝炎、肝硬化患者胆囊壁具有不同程度变化：毛糙、增厚、水肿。
Results: gallbladder-wall of most hepatitis and liver cirrhosis patients had been changed, including: coarse, thickening and hydrops.
焊缝位置和壁厚差异变化时，拼焊管各区域的应力状态保持不变。
Weld-seam position and thickness difference do not affect stress and strain states.
在内压荷载作用下计算了含半椭圆裂纹厚壁弯管的塑性极限荷载并研究了其随影响参数的变化规律。
Under just one loads of internal pressure, this article calculates plastic limit load and studies the law of changes with influential factors.
通过对带裂纹厚壁筒试件外壁动应变的测定，和用有限元方法计算冲击内压下动应变的变化规律，求出了实验中所加的冲击内压。
By measuring the dynamic strain of the cylinder and calculating the dynamic strain by finite element method, the impact internal pressure of experiment is determined.
并对壳体的应变分布、胀形前后的壁厚分布及直径变化进行了测量，指出了变厚度球壳的应用前景。
The strain, thickness distribution, diameter variation are analysed, and finally the practical prospect of the technology is pointed out.
分析了毛坯的应变场分布，典型节点外径、壁厚、轴向伸长量随时间的变化曲线，对整个成形工艺及变形机制有较好的动态认识。
Simulation results show strain distribution of workpiece and how outer diameter, thickness, axial elongation of some typical nodes change with time.
对厚壁件内孔拉削精度进行了试验研究，结果表明：刀具初期磨损阶段，工件孔径尺寸偏大，且变化较快；
Experimental study of broaching precision of heavy wall workpiece shows that workpiece aperture turns large in initiative wearing stage of the tool, and the change is fast;
这种合金的细小显微组织对冷却速度不敏感，不因铸件壁厚不同而变化。
The refined microstructure is insensitive to cooling rate, being independent of casting thickness.
这种合金的细小显微组织对冷却速度不敏感，不因铸件壁厚不同而变化。
The refined microstructure is insensitive to cooling rate, being independent of casting thickness.
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