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Significance of inside diameter ratio of splenic vein vs portal vein measured by ultrasound for diagnosing idiopathic portal hypertension syndrome 超声测量脾静脉与门静脉内径比对诊断特发性门脉高压的意义
Inside diameter ratio 内径比
Length to diameter ratio of flexspline. 柔轮长度与内径之比。
Several sizes are available in the inside diameter range 20 to 48 mm. 该轴承可供应几个尺寸,内径范围为20-48毫米。
Record all outside and inside diameters. 记录好所有入井工具的。
Screw of big length to diameter ratio, uniform plastication and high plasticizing capability. 大长径比螺杆、塑化均匀、塑化能力特高。
The basic idea is to simulate a Well by using a transparent vinyl tube (6mm inside diameter). 基本思路是用透明乙烯管(内径6 mm)模拟“油井”。
When the pipe diameter ratio varies a little，the local resistance loss of sudden contraction changes insignificantly. 存在一个最佳弯径比，使得水平弯管的局部阻力损失最小。
Inside diameter of fitting should match inside diameter of pipe as specified by purchaser. 如果购买者要求,连接件的内径应该适应管道的内径。
The wall thickness to its inner diameter ratio was calculated on basilar artery as an indictorof cerebral vasospasm under optical microscope. 光镜下测定基底动脉的动脉壁厚度和基底动脉的内径,以其比值作为脑血管痉挛的指标。
There is a relationship between the trim exponents and impeller diameter ratio, namely the exponents vary with the ratio. 叶轮切割指数与直径比的确存在着某种关系，也就是切割指数随着切割后的直径比的变化而变化。
The foundation link design includes: Foundation link inside diameter computation, foundation link thickness computation, bolt examination and so on. 基础环设计包括：基础环内径计算、基础环厚度计算、螺栓校核等。
Moreover, the reflected shock wave amplitude is reducing with increasing diameter ratio D/d and increasing length diameter ratio L/d. 反射激波压力最大值随吸收腔直径比D/d增加而减小，随吸收腔长径比L/d增加而降低。
To test inside diameter of the left ventricle and the funtion index of systole and diastole by Heart Color Doppler after four to six weeks. 结果：再通组与未通组的左室舒张末内径及收缩、舒张功能指标经统计学处理有差异性。
Using the currently accepted acoustic formula, it can be inferred that the inside diameter of the Xian Qin bamboo pipe must be about 0.71 cun. 由此，根据声学公式，结合文献考证，计算了黄钟律管的管径，结论为：先秦律管应是竹管，管径范围约是0.;71寸。
The influence of length to diameter ratio and addition of two kinds of fibers on the properties of MDF cement,the bending strength and tenacity and water resistance,are studied. 研究结果表明,碳纤维和玻璃纤维作为MDF水泥的增强材料均能够显著提高MDF水泥的力学性能和耐水性,玻璃纤维的效果优于碳纤维。
Andy peers down through the hole, playing his penlight around, The inside diameter is no more than two feet.Tight squeeze.Coated with crud.It seems to go on for miles. 安迪往用电筒照着洞里望去，下水道的直径不到两英尺，空间极小，结满污垢，似乎有数英里长。
To produce specialty tubing, this procedure uses a drawbench to pull tubing through a die and over a mandrel, allowing excellent control of the inside diameter and wall thickness. 为了制造出更精密的管子,本工艺通过拔管机使管子经过钢型和心轴的拉制,这样管子的内径和壁厚精密度就能控制的很好。
To produce specialty tubing, this procedure uses a drawbench to pull tubing through a die and oer a mandrel, allowing excellent control of the inside diameter and wall thickness. 为了制造出更精密的管子,本工艺通过拔管机使管子经过钢型和心轴的拉制，这样管子的内径和壁厚精密度就能控制的很好。
In this paper,we introduces a photoelectrical device which use the charge-roast sensor and data processing technology with computer and measure inside diameter of bigger barrels. 利用数显光栅传感器和计算机数据处理技术来检测大口径管道内径尺寸的光电设备。