The L/D ratio of metal fiber is greatly affected by processing conditions. The different L/D ratio of metal fiber has a…
成型加工条件对铜纤维的长径比和分布有显著的影响，不同长径比的铜纤维对复合材料的性能影响也不同。
Methods Manifestation on two-dimensional images, blood flow velocities, RI and S/D ratio were observed respectively between the normal men and the patients, and statistical treatment was done.
方法正常组与病变组对比观察二维声像图表现、血流信号的多少、血流速度、RI、S/D比值，并进行统计学处理。
There appears some flexibility at the top of tower with high ratio of height to diameter (H/D), caused by wind load.
高径比（H/D）较大的塔在风载荷的作用下，在塔顶处会引起一定的静挠度。
The ratio of energy dissipation WJ/WI increases nonlinearly with increment of fractal dimension D of the jointed surface.
节理岩石的能量耗散比WJ/WI随节理面分维值D增大而增加，两者呈非线性关系；
For the limestone and SBS I-D asphalt mastic, the penetration index values also showed an optimum dust to binder ratio but with higher values than other mastics.
对于添加石灰石的SBS I - D沥青胶浆，其针入度指数同样表现一最佳矿粉结合料比，该比值高于其他胶浆的最佳矿粉结合料比。
ObjectiveTo evaluate the efficiency of heparin on the ratio of peak systolic to least diastolic flow velocity (S/D) of umbilical artery flow velocity waveforms at second-trimester pregnancies.
目的评价肝素对改善妊娠中晚期脐动脉收缩期最大血流速度（S）与舒张末期血流速度（D）的比值异常的临床效果。
Conclusion D/W ratio of UCAN detecting by ultrasonography can imply fetal intrauterine anoxia in time, and can provide strong help for clinical early diagnosis and timely treatment.
结论超声检测绕颈脐带切面D/W比值可及时提示胎儿宫内缺氧，为临床尽早诊断和治疗提供有力帮助。
Objective This paper is to investigate the ratio of the systolic peak value and the end-diastolic velocity of blood flow (S/D value) and its clinical value, which can predict fetal anoxia.
目的探讨脐动脉收缩期血流峰值（S）与舒张末期血流速度（D）的比值（S/D）对预测胎儿宫内缺氧的临床价值。
This paper presents the test results of 26 concentrically loaded long concrete-filled steel tubular columns with slenderness ratio ( L/D ) varying from 3 to 50.
本文报导了26根长细比（L/D）从3到50的钢管混凝土长柱轴心受压的试验结果。
A lot of factors affect calcium absorption and transport, such as Vitamin d, fat, Parathyroid hormone related peptide, ratio of calcium and phosphorus and so on.
有许多的因素影响钙的吸收和转运，如维生素d、蛋白质、甲状旁腺素相关蛋白、钙磷比例等。
The nozzle geometric parameters included hole number and diameter, hole angle and hole length-diameter ratio(L/D).
喷嘴结构参数包括喷孔数、喷孔直径、喷孔夹角和喷孔长径比。
This is reflected mostly by the fact that the R value increases with the area ratio of a resistor to the metal connected with it. On this phenomenon, numerous experiments have been d…
这主要体现在R_□值随该电阻所连金属面积与该电阻面积比例的增大而增大。
Most part of the supercritical wing with equal chord and high aspect ratio is provided with 2-D flow characteristics approximately except wing tip.
对翼身组合体等弦长大展弦比超临界机翼，除翼梢处流动三维效应强外，机翼其余部分包括接近翼根附近，均具有近似二维流动的特征。
The influence of wall conditioning on the edge recycling was also studied through the ratio of H to D.
利用此方法还可以进一步研究壁条件对边界再循环的影响。
This paper investigates a kind of cheap and new circuit for analogue-to-digital conversion with a performance to price ratio much higher than middle and high speed A/D converters.
本文介绍一种新型而廉价的A/D转换电路，其性能价格比大大高于目前已有的中高速模数转换电路。
Method The ratio of systolic and diastolic blood stream(S/D value)of umbilic artery was detected by color Doppler ultrasound detector.
方法应用彩色超声多普勒仪器进行胎儿脐动脉血流检测，并分析胎儿及分娩前后情况与血流检测的关系。
The change of discharge and diversion ratio of the main junction is calculated by the 1-d model, and the influence of the engineering on the whole Pearl River Delta networks is analyzed.
同时利用一维数模计算工程后水面线及河网主要节点流量和分流比的变化，从整体的角度分析工程对整个珠江三角洲流域的影响。
The influence of three main factors such as lattice structure, packing ratio and dielectric constant ratio on complete forbidden band of 2-d air cylindrical photonic crystal is studied.
研究了晶格结构、填充比、介电常数比三个主要因素对二维空气圆柱型光子晶体完全禁带的影响。
Tensile strength was found to decline with increase of the ratio of average chord lengths of the two phases (L1/L2) and mass center distance (D).
结果表明，当分散相一定时，拉伸强度随两相相对尺寸的增大和分散相颗粒相关性的减弱而减小。
Although the 2-d slice of the fourth-order cumulant can effectively suppress the Gaussian white noise in the abstract, the effect isn't good when SNR (Signal to noise Ratio) is lower.
四阶累计量2- D切片理论上可以有效地抑制高斯白噪声，但是当信噪比较低时，抑制效果不是很明显。
Although the 2-d slice of the fourth-order cumulant can effectively suppress the Gaussian white noise in the abstract, the effect isn't good when SNR (Signal to noise Ratio) is lower.
四阶累计量2- D切片理论上可以有效地抑制高斯白噪声，但是当信噪比较低时，抑制效果不是很明显。
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