长径比的英文

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英文翻译
造句

length-diameter ratio
length-to-diameter ratio

长 older; elder; senior
径 footpath; path; track
比 2
大长径比的 slender
孔长径比 boring ratio
喷孔长径比 ratio of nozzle hole length nozzle diameter
挤塑机长径比 extruder length to diameter ratio
纤维临界长径比 critical fiber length-to-diameter ratio
长径 major axis; major diameter
半长径 semi-major axis
长径规 trammel
最长径 longest diameter
半径比 radius ratio; radiusratio
环径比 toroidicity
井径比 drain spacing ratio
孔径比 apertuer ratio; aperture ratio
口径比 aperture ratio; relative aperture
宽径比 width-diameter ratio
粒径比 particle diameter ratio
内径比 inside clearance ratio
外径比 outside clearance ratio
弦径比 chord-diameter ratio
直径比 diameter ratio
毂径比 boss diameter ratio; boss ratio
直径比,内外径比 diameter ratio

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例句与用法

So we must find replaceable materials , which not only act as lubrication but also as enhancements and conductivity . since iijima found carbon nanotube , it attract extensive attention , for excellent elastic modulus , low friction mechanical and electrical properties
自lijima发现碳纳米管以来，碳纳米管受到广泛的关注，其优异的力学性能、弹性模量、长径比、导电导热性能是理想的复合材料增强体。
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。
The characteristics of dynamic response of points along generating line and circumferential line of the cylindrical shells are analyzed , and the effects of l / r ratio on the dynamic response of the cylindrical shells under line - loading are considered as well
分析了沿母线方向和环向各点应力响应的特点以及结构长径比对应力响应的影响，在此基础上比较了沿环向呈单余弦分布和双正弦分布载荷的应力响应。
Aao films were anodic oxidized using oxalic acid under different voltage from 30v to 60v . under 40v , the diameter range of aao is 80nm ~ 100nm and narrowly distributed . the thickness of aao film is about 2 . 0 # m and the aspect ratio is beyond 15
在不同电压下( 30v 60v ) ，采用草酸溶液体系用阳极氧化法制备了多孔氧化铝模板，氧化铝模板的孔径在80nm 100nm之间，分布均匀，模板厚度在1 . 5 2 . 0 m之间，长径比在15以上。
In this paper , the theory for lateral vibration of pile foundation with consideration of shear deformation of pile is established , and the influence of the ratio of pile length to its diameter , the ratio of pile stiffness to soil stiffness and dimensionless frequency were studied systemically
本文建立了一整套考虑桩体剪切变形的桩基水平振动分析理论，并较系统地研究了桩的长径比、桩土刚度比、激振频率等因素对桩基水平动力响应的影响。
The conductive performance of conductive powder filling asphalt concrete is improved by adding a few chopped carbon fibers . carbon fibers play a role of the conductive bridge effect and the short circuit effect because of high long / diameter ratio , improving the conductive mechanism of electron
掺入少量短切碳纤维可明显改善导电粉末填充沥青混凝土的导电性能，发挥碳纤维大的长径比所具有的导电桥梁作用和导电通路短接作用，改善电子的导电机制。
Firstly , the theory of compound foundation and pile foundation are summarized in this paper . the finite element , displacement models and computational program are introduced , then how such factors as the stiffness of pile , the ratio of length and radius of the pile & replacement ratio influence the settlement of compound foundation are analyzed . there has the best modulus of pile , the best of the length & replacement ratio and some data have been obtained
首先总结了复合地基和桩基的理论和设计计算方法，对有限单元和位移模式以及有限元计算程序进行了介绍，然后分析了桩的刚度、长径比、置换率等因素对复合地基沉降的影响，证实了带承台复合地基存在最佳桩土模量比、最佳长径比和最佳置换率，并得出了相应的数值可供工程实践参考。
The main results in this paper are as follows : ( 1 ) study on starting up performance of thermosyphon : according to the study on the states before and after starting up of thermosyphon with the various filling amount , it is considered that the phase change heat transfer inside the copper - water thermosyphon with a large ratio of length and diameter is not only influenced by the boiling degree of superheat , but also controlled by evaporation and companied with the boiling of the thin liquid film
本文的主要研究结果为：（ 1 ）热虹吸管启动性能的研究：通过对从不同充液量、启动前状态、内部汽化核心状态对启动的影响所进行的试验研究，认为大长径比的铜?水热虹吸管管内相变不仅仅为沸腾，而是以蒸发为主，伴有薄液膜的沸腾。
In the process of single fiber sedimentation , it is steady that the fiber axis orients horizontally . the terminal sedimentation rate and the lateral shifting rate increase with the particle aspect ratio . the fiber with the aspect ratio of about 2 . 8 rotates fastest to the stable location
对于单根纤维的沉降，其稳定取向是轴线与重力方向垂直的方向；纤维的沉降速度随长径比的增加而增加，但趋势变缓；纤维的横向漂移随长径比增加而增加；长径比在3左右的纤维，旋转到稳定取向的速度最快。
The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper . the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600 , 1650 , 1700 in the nitrogen atmosphere . the microstructure and the composition of the ceramics were determined by the means of x - ray , sem , micro - hardness meter etc . it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ) . the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3 . a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that
实验结果表明：在碳管炉中、氮气保护下进行烧结，添加剂为纳米al _ 2o _ 3粉末时，由于纳米粉末的高活性、高烧结驱动力，在1650就可使si _ 3n _ 4完全地烧结，并使其致密度可达理论密度的96以上(比其它工艺高6左右) ；同时，纳米al _ 2o _ 3地加入大大促进了长柱状? si _ 3n _ 4的生长和发育及柱状晶长径比的提高，使微观结构均匀、细化，形成了更多力学性能优异的固体? sialon相，减少了不利于陶瓷材料性能的晶间玻璃相，净化了晶界。