丝径

旋流器为长100mm、丝径1.5mm、节距4mm的螺旋线圈。

A piece of spring with the length of 100 mm . the wire diameter of 1 . 5 mm and the pitch of 4 mm is used to be the swirl flow generator .

单股钢丝绳的丝径控制

Control of Wire Diameter of Wire Rope with Single Strand

以MATLAB为平台，设计了基于轮廓跟踪的网孔尺寸和丝径测量程序；

With MATLAB platform , the measuring programs of net mesh and net wire diameter are designed based on contour trace , and the collected images are demarcated .

高精度丝径测量中的偏振效应

The effect of light polarization on high accuracy measurements of thin wire diameter

一种高精度玻璃丝径测量算法

A High Accuracy Algorithm for Glass Diameter Measurement

螺旋丝径对内插螺旋线圈圆管内油类介质强迫对流的影响

The Influence of Wire Diameter on the Forced Convection of Oil in a Tube with Spiral Spring Inserts

金属光学性质对高精度丝径测量中偏振效应的影响

The influence of metal optical property on the polarization effect in measurements of thin wire diameter with high accuracy

分析了丝网目数、丝径等几何参数及网版的厚度、粗糙度对丝网印刷精度的影响；

The factors influencing screen printing precision were analyzed including mesh geometry parameters , the plate thickness , and the surface roughness .

熔纺时控制了挤出流量和牵伸速率的良好匹配，获得了丝径均匀的大直径中间相沥青炭单丝。

The large diameter mesophase pitch carbon monofiber in uniform size was obtained by controlling the matching of extrusion flow and drawing rate .

为提高拉丝过程的生产率并确保丝径的均匀性，本文提出了新颖的闭环控制方法。

In order to increase the production rate of drawing process and improve tne uniformity of diameter , a new closed loop control strategy is suggested .

完成的主要工作：（1）完成了确定丝网目数的理论分析，推导出了丝网印刷中选择最小丝径的计算公式；

The main work are : ( 1 ) the analyses of theory are finished for defining mesh count , the formula of calculating min thread diameter is deduced ;

采用多齿刀具切削法对细长铜纤维进行加工；在相关理论及实验方法的指导下，优化了加工所需丝径铜纤维的最佳工艺参数。

The thin copper fibers with different average diameter were obtained by the multi-tooth cutting method . The optimal manufacturing parameters were get in the relevant theory and experimental .

实验研究了内插螺旋线圈的水平圆管内30~透平油的对流强化传热及流阻特性，探索了螺旋丝径的影响。

Experimental study of forced convection heat transfer in a horizontal circular tube with spiral spring inserts is performed to investigate the characteristics of fluid flow and heat transfer as well as the influence of the diameter of spring wire .

在丝径的激光高精度衍射测量中，激光的偏振方向、光束的几何属性和光束中心对衍射体对称中心的偏离都会影响测量的结果。

In the high accuracy diffraction measurement of laser for a tiny wire , polarization direction of laser , laser beam property , and deviation of the beam center from the wire center have an effect on the measuring result .

双微导丝技术用于径路血管极度迂曲的症状性大脑中动脉狭窄支架成形术

Double Micro-wire Technique in Angioplasty with Stent for Symptomatic Middle Cerebral Artery Stenosis with Extremely Tortuous Access Vessel

卸掉公扣护丝，取出通径规，保持脚下利索。

Remove the pin protector and retrieve the drift , keeping feet well clear .

结论在颅内支架成形术中，双微导丝技术是克服径路血管迂曲的一种方法。

Conclusions Double micro-wire technique is a safe and effective method at overcoming the tortuous access vessel for intracranial stenting .