由STM图象中我们能清晰地观察到螺旋结构的螺距与螺径。
From the STMimages, we could see clearly the helix pitch and helix diameter of helix structure.
根据太沙基固结理论推导出了变径螺旋压榨压方程，得出了压榨速率的表达式。
According to Terzaghi consolidation theory, the partial differential equation and filtration formula of the change diameter screw compression were induced.
本文介绍一种测量石油螺纹量规的螺旋线、中径、锥度和牙形半角的新方法及装置。
This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.
而减径变形中的扭转变形不但使原始缺陷形成螺旋状，同时还进一步扩展了裂纹。
The distortion deformation during diameter reduction not only changes the primary defects (such as hair-line seams) into screwy form, but also enlarges the primary cracks.
本文在高速滚齿机上，利用遥测应变仪，测定了工件材料，进给量，切削深度，切削速度，齿轮齿数及螺旋角等对力矩的影响，并得出径节为8时的力矩公式。
This paper presents the information of the effect, measured with a tele-strain-meter, of work material, feed, cutting speed, depth of cut, number of teeth and helix Angle etc.
采用升力面涡格法对系列大毂径MAU型螺旋桨进行敞水性能计算，运用理论算法扩充了MAU型螺旋桨图谱。
The open water characteristics of a series of large hub-diameter Ratio MAU propellers are calculated by using lift-surface method to expand the chart of MAU-series propeller.
目的：探讨多层螺旋CT尿路造影对非扩张性输尿管图像质量的影响，并测量输尿管管径大小正常值范围。
Objective:To determine the display effect of non-dilated ureter with reducing mA on the image quality in patients undergoing multi-slice CT urography, and to measure the normal ureter size.
方法：利用螺旋CT机，测量胆囊的最大长径、短径和厚度。
Methods: To measure the longest diameter, the shortest diameter and thickness of the gallbladder with helical CT set.
而根据量子电导的计算，纳米线的电导总体上随着线径的增大而增加，并且晶状线比螺旋线具有更多的电导通道。
The overall melting temperatures of these nanowires were estimated from MD simulations, while the quantum conductance were determined from their electronic band structures.
长螺旋钻管内泵压CFG桩施工技术在太原部分地区扰动敏感性土中应用时，常出现严重缩径质量问题。
Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
长螺旋钻管内泵压CFG桩施工技术在太原部分地区扰动敏感性土中应用时，常出现严重缩径质量问题。
Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
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