1) equivalent cylinder diameter
等效缸径
1.
The concept of equivalent cylinder diameter is presented for scroll compressor.
提出了涡旋压缩机等效缸径的概念 ,并将型线的高度、槽宽和壁厚化为 3个独立的无量纲特征参数 。
2) Equivalent diameter
等效直径
1.
This paper presents the relativity between the equivalent diameter and turbidity of settled water,proposes a method of coagula-tion control used the equivalent diameter and an alum image segmentation algorithm based on the maximal variance ratio.
本文介绍了絮体等效直径与沉淀水浊度的相关性,提出利用絮体等效直径进行混凝控制的方法和基于最大方差比的矾花图像分割算法。
2.
From several aspects of plastic drainage boards such as equivalent diameter, well resistance, smear effect and sand mat and so on, authors conclude some domestic and foreign scholars opinions that these factors can influence treatment effect of plastic drainage boards.
从塑料排水板的等效直径、井阻作用、涂抹作用及砂垫层的作用几个方面,总结了国内外学者认为这些因素对塑料排水板处理效果产生影响的观点和看法。
3.
9 to convert the band shaped prefabricated drains into sand wells with an equivalent diameter.
首先,通过室内模型试验认为,一字形塑料排水板在换算成等效直径的砂井时换算系数宜为0。
3) equivalent short diameter
等效短径
1.
Using the testing instrument manufactured by OMEC company, we tested a series diamond samples, gained a large quantity of datum; revealed the relationship between the grain size,equivalent short diameter of diamond and average of sieve size: Dv = K·(D上 + D下 )/2, And put forward a thought that the standard values of grain size could be derived from this formula.
利用欧美克公司的颗粒图像处理仪对各种金刚石样品进行了测试,获取了大量的测试数据,并经过进一步的研究,揭示出金刚石粒径、等效短径和平均网径之间的关系,提出了以平均网径为基准,将之乘以常数K（K=1。
4) equivalent radius
等效半径
1.
New text classification algorithm based on interdependence and equivalent radius;
基于互依赖和等效半径的文本分类方法(英文)
2.
According to the quality distribution function of the granule with the change of the mesh diameter,the total amount of the coarse granule of earth-rock mixture was obtained,and the equivalent radius of the coarse granule of earth-rock mixture was determined.
根据颗粒随筛孔直径的质量分布函数,求出土石混合料粗颗粒部分颗粒总数,进而确定出土石混合料粗颗粒部分等效半径。
3.
For a single pit,the curves of the equivalent radius via simulation time are obtained,.
对于单个蚀坑,得到了蚀坑等效半径随模拟时间的变化曲线;对于多个蚀坑,认为蚀坑的成核时间服从威布尔分布,通过对该分布函数进行随机抽样,使得在不同时刻金属表面会随机产生大量的蚀坑,对金属表面的腐蚀损伤情况进行模拟,得到了表面腐蚀损伤度随模拟时间的变化规律。
5) equivalent grain
等效粒径
1.
By analyzing influence of shape coefficient and exposure degree,the formulas for calculating equivalent grain and the incipient motion condition of non-uniform sediment are established by the relative exposure degree and shape coefficient.
根据非均匀沙颗粒的不均匀性,引入颗粒形状系数,通过分析泥沙颗粒形状系数和相对暴露度的影响,建立了等效粒径表达式;并通过泥沙起动受力分析,推导得到泥沙起动临界条件表达式。
2.
The formula for calculating the incipient motion condition of non-uniform sediment has been established by considering the equivalent grain and the relative exposure degree.
阐述了泥沙起动机理,通过对等效粒径概念及表达式的引入,推得了泥沙起动公式。
6) equivalent aperture
等效孔径
1.
Based on the criterion of avoiding the loss of the effective spatial-frequency information,the restrictive conditions of the spatial arrangement are calculated,and then the effective frequency coverage range and the equivalent aperture are obtained.
根据避免有效频率信息丢失的原则,分别计算了三种结构各自对应的空间排布限制条件,在此基础上得到了三种结构的有效频率覆盖范围和等效孔径。
2.
The relationship among the valid porosity,permeability coefficient,plane porosity,equivalent aperture and compressive strength and the situation of pore distribution is also discussed.
分别研究了单掺粉煤灰、矿渣和硅灰3种矿物掺合料的多孔混凝土有效孔隙率与目标孔隙率之间的关系,并探讨了掺有矿物掺合料时多孔混凝土有效孔隙率、透水系数、平面孔隙率、等效孔径和抗压强度之间的关系以及等效孔径大小的分布情况。
3.
Through the case study we analyze the definitions,measurements and sizes of the equivalent aperture in different specifications home and abroad.
通过案例比较分析了国内外不同规范中对等效孔径的定义、测定方法、大小关系等。
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