washboard marks

The influence of wall thickness nonuniformity on the property of the expandable casing is analyzed by the finite element analysis.

分析研究结果表明(1)壁厚不均的膨胀套管膨胀后壁厚不均度增大;(2)壁厚不均的膨胀套管膨胀后各部位壁厚均减小,最薄侧壁厚减薄量随壁厚不均度的增加呈上升趋势,而最厚侧壁厚减薄量随壁厚不均度的增加呈下降趋势;(3)壁厚不均度对膨胀套管自由端面轴向总位移影响很小;(4)膨胀套管壁厚不均度小于0。

And the effects of theelastomer with non-uniform thickness on layer stress of elastomer were elementary studied.

本文通过试验,采用Mooney-Rivlin 模型对柔性接头弹性件橡胶材料的力学性能进行了数值模拟,并根据非线性理论,采用混合插值有限元法对摆动状态下的柔性接头进行了大变形非线性弹性分析,初步探讨了工艺过程中厚度不均匀弹性件对弹性件层间应力的影响,具有一定的工程实际意义。

A ray split-off and tracing approach is presented to analyze the apparent spectral reflecting performance of a semitransparent fluid layer with undulant surface.

提出一种计算具有波状表面的半透明流体层光谱反射特性的光线分裂跟踪法 。

The growth mechanism of proton exchanged waveguides was studied, and the formula for calculating the depth of the waveguides was deduced.

对质子交换光波导生长机理进行了研究并给出了波导层厚度的计算公式。

Propagating in surface wave-guide,an abnormal refraction phenomenon in marine atmospheric environment,electromagnetic wave often demonstrates complicated refraction characteristics,which has important influence on accuracy of radar detection.

电磁波在海洋大气环境中传播,受表面波导这种异常现象的影响常常呈现出复杂的折射特征,这对雷达定位的精确性具有重要影响,针对这一问题,文中建立了表面波导环境下电磁波传播真实轨迹的精确算法,利用仿真手段研究了表面波导对雷达低空探测(仰角<5°)误差的影响,仿真结果表明,表面波导环境下电磁波出现“陷获”传播时,射线的真实轨迹明显偏离视在轨迹,形成了雷达低空探测时极明显的异常高度误差和仰角误差。

Effect of Thickness Nonuniformity of Resonator on the HRG Accuracy

半球谐振子薄壁厚度不均匀性对陀螺精度的影响

Molten steel leakage by binding has the defects including disordered vibration mark on outer surface of surviving billet shell, thickness of billet shell gradually getting thinner from up to down and large uneven coefficient of billet shell thickness.

粘结漏钢具有残留坯壳外表面振痕紊乱、壳厚度从上向下逐渐变薄和坯壳厚度不均匀系数大的特点。

POF, economical and practical, has high tenacity, light weight and even thickness.

韧性强,重量轻,厚度均匀,经济实用.

Possess certain rigidity, hardness and elasticity, with unifor thickness.

具有一定的刚性，硬度和弹性，厚薄均匀。

IMPROVEMENT OF THICKNESS UNIFORMITY OF STEEL STRIP WITH STEP ROLLS

用梯形辊轧制提高带钢厚度的均匀性

Uneven temperature already existed in plate lengthwise direction before cooling, and the uneven temperature tendency was aggravated after it cooled.

中厚板控制冷却时钢板的长度方向温度不均,冷却过程加剧了钢板纵向的温度不均匀性。

Used to measure thickness of various kinds of woven and knitting goods.

用于测量各种织物、革、料、毯、张等的厚度及均匀度。

A smooth, flat, relatively thin, rigid body of uniform thickness.

片光滑的，平整的，比较薄的，均匀厚度的硬物体

Thickness Homogeneity Control Technology for Aluminum Alloy Conical Parts

铝合金锥形挤压件厚度均匀性控制技术

The Controlling of Temperature Uniformity in Accelerate Cooling Control for Medium Plate

中厚板快速冷却过程中的温度均匀性控制

Small cloud depth, low cloud top height, inhomogeneous structure are the main characteristics of the precipitation cloud.

云层厚度小、云顶高度低、云系结构不均匀是此次降水云系的主要特点。

Structural Behavior of Tapered Steel Storage Tanks under Measured Differential Settlement;

变壁厚钢储罐在实测不均匀沉降下的结构性能

Experimental Study on Deformation Uniformity in Thickness Direction of 2205 Duplex Stainless Steel during Hot Rolling

2205双相不锈钢热轧厚向变形均匀性的实验研究

The paper studied and analyzed the interface wave of clad plate explosive welding used average arranging explosive, then put forward the new technology of unequal thickness arranging explosive.

通过对均匀布药工艺下爆炸焊接复合板的界面波形进行理论分析,提出不等厚度布药的新工艺。

The mathematical model and block diagram are presented to calculate the pick momentary cutting thick when the shearer drum is in the state of irregular motion.

给出了采煤机螺旋滚筒不均匀运动时截齿瞬时切削厚度计算的数学模型和程序框图。

Automatic Gamma Gray-level Correction of Uneven Illumination Image

照度不均匀图像的自动Gamma灰度校正

colour lacking uniformity

色不匀,色缺乏均匀

coefficient of non-uniformity of operating velocity of machinery

机械运转速度不均匀系数