Pitch diameter measuring of thread ring gauge and uncertainty evaluation;
螺纹环规的中径测量及其不确定度评定
Analysis of slope error in measurement of pitch diameter of metric trapezoidal thread plus gauge
公制梯形螺纹塞规中径测量斜率误差分析
By combining the traditional three ball measuring principle for thread with image measuring technology, a kind of 3-D automatic measuring system based on CCD image for pitch diameter parameters of taper thread is developed, and errors of the image-based three ball method are analyzed.
将传统的螺纹三针测量原理与图像测量技术相结合,设计开发了一种基于CCD图像的锥螺纹中径参数三维自动测量系统,并对图像三针测量法进行了误差分析。
This article introduces using comparative measuring method with Double Flank Gear Rolling Tester to measure the 1/2 M value,and then calculates d2 mid-diameter,without any special measuring tools and instrument.
本文介绍在没有专用量具、量仪的条件下,在双面啮合综合检查仪上用比较测量法,测出三槽丝锥的1/2M值,然后计算出中径d2的方法。
Investigation of the particle median diameter of hydrocyclone for separation of sediments from Yellow River's water;
黄河水泥沙分离用水力旋流器的溢流颗粒中位径分析
Effect of the perlite admixture on the pore structure, such as porosity, median pore diameter, pore specific surface area, and pore size distribution was analyzed and discussed.
为探讨珍珠岩掺合料对水泥基材料性能影响的机理,用压汞法测试掺加质量分数为0～40%珍珠岩掺合料水泥石的微孔结构参数,分析珍珠岩掺合料对3,28,60d龄期水泥石孔结构参数:孔隙率、中值孔径、孔比表面积和孔级配的影响。
ECF Bleaching of Bamboo Kraft Pulp;
中小径竹硫酸盐浆无元素氯漂白技术的研究
AN INVESTIGATION OF TESTING SINGLE PITCH DIAMETER AND ACTUAL PITCH DIAMETER OF GENERAL PURPOSE SCREW THREADS
普通螺纹检验单—中径与实际中径的探讨
Center of radius at bottom front to center of radius at top rear
底前半径中心到顶后半径中心
Central Route of the Central and Western Heritage Trail
中西区文物径中区线
Wrong path format. There is no closing quote in path.
错误的路径格式。在路径中没有闭引号。
The path tails off into the woods.
小径逐渐消失在树林中。
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
win a race at a canter
在径赛中轻易获胜.
B.C.D. of anchor (foundation) bolts
地脚螺栓中心圆直径
The cylinder diameter of raceway center(mm)
－滚道中心圆直径(mm)
medium-radius lateral drilling
中曲率半径侧向钻井
diameter of root circular-arc center circle
齿根圆弧中心圆直径
diameter of tip circular-arc center circle
齿尖圆弧中心圆直径
a crazy pavement
(花园中的)碎纹石小径
Secretly giving supplies to the enemy is treachery.
暗中资敌是叛逆行径。
A path between flower beds or trees in a garden or park.
花间小径，树间小径花园或公园中两旁有花圃或树间的小径
In the Path box, type a path for the content affected by this rule.
在“路径”框中，键入受此规则影响的内容的路径。
The peak value occured in Apr. to Aug. which was 62.4%-96.5% of the annual amount.
其中4—8月为径流高峰期,径流量占全年62.4—96.5％。
The Methods to Cultivate the Students Original Ability in Track and Field teaching;
田径教学中培养学生创新能力的途径与方法