length-diameter ratio
英 [leŋθ daɪˈæmɪtə(r) ˈreɪʃiəʊ]
美 [leŋθ daɪˈæmɪtər ˈreɪʃioʊ]
长度-直径比（喷气发动机燃烧室的）
双语例句
- Meanwhile, the stress concentration increases with increasing in length-diameter ratio.
同时，颗粒长径比增大，颗粒的应力集中也增大； - THE INTEGRAL MANUFACTURE TECHNICAL STUDY OF LARGE LENGTH-DIAMETER RATIO COMPOSITES LONG-TAIL NOZZLE Value Selection of Slenderness Ratio and Diameter-Thickness Ratio of Steel Tube for 1000 kV Transmission Steel Tubular Tower Legs
大长径比复合尾管整体成型工艺研究特高压钢管塔主材长细比及径厚比的取值 - The Study of Spinning Precision Control for Thin Wall Cylinder with Large Length-diameter Ratio
大长径比薄壁圆筒旋压精度控制工艺研究 - Machining process of oblique pilot hole for spinnerets with super high length-diameter ratio
超大长径比喷丝板斜导孔加工方法研究 - Large vertical and horizontal storage tanks can be assembled on the spot, and are not constrained by space concerns, therby achieving the maximum length-diameter ratio.
防火要求，使用寿命长，设计灵活、罐壁结构性能优异、大型立式、卧式贮罐可现场拼装完成制作，不受场地空间限制，可最大限度优化罐体长径比。 - The Relation Between Calculated Value of Coil Longitudinal Magnetization and Length-Diameter Ratio of Component
线圈纵向磁化计算值与零件长径比的关系 - Conclude the length-diameter ratio of the reymond mill wollastonite production is higher, but the paticle size is big.
总结出雷蒙磨粉磨的硅灰石产品长径比高，但是粒度大。 - The key techniques could provide not only scientific reliance for designing and making the alkaline storage battery plastic shell, but also the corresponding experience of plastic products with big length-diameter ratio.
这些关键技术不仅为正确设计与制造碱性蓄电池塑料壳提供了科学的依据，而且为大长径比塑料制品的设计与制造提供了相应的经验、技术。 - The comminution type and technical conditions can have great impact on the length-diameter ratio of the product in preparing ultrafine needle-shaped wollastonite powder.
采用不同的粉碎方式及工艺条件制备硅灰石超细针状粉，对产物的粒度及长径比有重要的影响。 - The length-diameter ratio should range from 1.0-1.4. Formulas for tensile strength calculation were also given.
得到了抗拉强度公式和长径比应在1.0～1.4之间的结论。 - The consumption and the length-diameter ratio of the fiber, and the construction technology of the fiber asphalt concrete greatly influences the pavement performance of the fiber reinforced asphalt concrete mixture.
纤维的用量、长径比和纤维沥青混凝土的施工工艺对纤维加强沥青混合料的路用性能有很大的影响。 - The experimental results show that a proper increase of the nozzle side hole number and length-diameter ratio of nozzle side hole benefit the emission performance improvement of TR combustion system.
试验结果表明，适当增加侧向喷孔数目和侧向喷孔长径比有利于改善TR燃烧系统的排放性能。 - The relationship between B and the die length-diameter ratio was proximately inverse proportion.
B与口模长径比之间大致上成反比关系，而与壁面剪切应力之间基本上成幂律关系； - An approximative formula with better accuracy for critical load calculation of hydraulic cylinders of large length-diameter ratio is presented in this paper for practical applications by technicians.
本文给出了计算长细液压缸临界载荷的一个精度较高的近似公式，供工程技术人员实际应用。 - Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length-diameter ratio, inlet round angle-radius ratio and non-axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed.
基于这一模型进一步分析了喷射压力、背压和喷孔长径比、喷孔入口圆角比、非轴对称喷孔等几何结构参数对喷孔内空穴分布的影响。 - Pile's bearing features differ with diameter and length-diameter ratio.
不同桩径不同长径比的桩的承载特性是不同的。 - The paper also investigates the effect of rock-socketed depth, length-diameter ratio on the behavior of load transfer of rock-socketed piles.
探讨了桩的长径比、嵌岩深度对嵌岩桩的荷载传递性状的影响。 - Finally, the length-diameter ratio of the piles also has significant impact on the shaft compression.
长径比对桩身压缩也有重要影响。 - Influence of length-diameter ratio on mill cost and liner wearing etc.
探讨和阐明了长径比对磨机造价及衬板磨损等方面的影响关系。 - The erosive burning and stagnation point drift in burning process of a solid rocket motor that has tubular charge with forge length-diameter ratio arc studied.
研究了长细比大的管形装药固体火箭发动机在燃烧过程中的侵蚀燃烧和滞点漂移现象。 - Non-Newton index enhanced with the increase of temperature, extrusion expansion rate was directly proportional to shear rate and length-diameter ratio.
非牛顿指数随温度的升高而增大；挤出膨胀比与剪切速率及管模的长径比成正比。 - And the truncated conical tip projectile with large length-diameter ratio is suitable for Penetration.
高长径比的截锥型相切尖拱弹丸有利于穿甲。 - The consequence of experiment indicates that the splitting tensile strength of steel fiber concrete increases with the increase of volume fractions, length-diameter ratio, the length and concrete strength grade. The cold drawn steel fiber is superior to the mill steel fibers and shear steel fiber.
研究表明：钢纤维混凝土劈裂抗拉强度随着钢纤维掺量、长径比、长度和混凝土强度等级的增长而增加，切断型钢纤维的增强效果要优于铣削型和钢带剪切型。 - Most vortex tubes of the helicopters have the following characteristics: big length-diameter ratio, large resistance coefficient and high efficiency.
大多数的直升机涡旋管具有长径比大、阻力系数较高、效率高的特点。 - And adsorption and release of high length-diameter ratio of TiO2 nanotubes with bovine serum albumin array were studied.
同时研究了高长径比的TiO2纳米管阵列与牛血清白蛋白的吸附与脱附。 - Finally the numerical simulation method was used to analyze the related parameters near the flow field of flame when the concentration, pipe length-diameter ratio, pipe pressure ratio and the obstacles changed especially.
最后分析了浓度、管道长径比、管道泄压口比率和障碍物等条件对火焰前沿流场附近相关参数的影响。 - Because of its length-diameter ratio is very large, these nano SiC whiskers have a greater value.
因为其长径比大，所以具有较大的应用价值。 - Defect area 、 defect length-diameter ratio 、 defect circumference and Euler number are determined as characteristic parameter, and it has proposed a method of the steel ball surface defect based on BP neural network.
确定将缺陷面积、缺陷长短径比、缺陷周长以及欧拉数等作为钢球表面缺陷识别的特征参数，并提出了一种基于BP神经网络的钢球表面缺陷类型识别方法。 - The impact of alkyl chain length on the length-diameter ratio in various solvent is discussed.
并对碳链长度在各种溶剂中对长径比的影响进行了讨论。 - The effects of Reynolds number, film cooling hole angle and length-diameter ratio on the heat transfer inside the film cooling hole were revealed.
分析了不同气膜孔内雷诺数、孔倾角和孔长径比对孔内部对流换热的影响规律。