查询词典 elliptical

The Stained pulp curve in different head are described as: elliptical dished head: H=178. 78+0.5926R-0.0141R〓 semispherical head: H=146. 76+0.0093R-0.0071R〓 conical dished head (α=27°): H=118. 2+0.0248R-0.0061R〓 conical dished head (α=23°): H=151. 7-0.1024R-0.0065R〓 If only for the quality and the efficiency of bleach of up-flow reactor, the conical dished head is the best option with the good engineering feasibility.

对实验数据处理回归后得到流经椭圆形封头时纸浆分布曲线方程；流经球形封头时纸浆分布曲线方程；流经锥形封头（半锥角27°）时纸浆分布曲线方程；流经锥形封头（半锥角23°）时纸浆分布曲线方程。

Balanced elliptical shaker can be improved efficiency and impact of capacity of solid control equipment.

平动椭圆振动筛可以大大提高了固控设备的处理效率和效果。

The plane wave expansion method was employed to calculate the band gap structures of 3D simple cubic lattice phononic crystal composed of elliptical steel cylinders embedded in epoxy matrix.

用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。

The stress intensity factors of pipes containing an elliptical arc of crack have been evaluated by collapsed singular element with the more detailed mesh on crack front and their respective adjacent areas.

中文摘要本论文对含内、外裂椭圆形裂缝之圆管应力强度因子计算，计算在椭圆形裂缝尖端部位附近，使用溃点奇异元素，建立有限元素的网格化自动产生模型，并利用ANSYS程式计算裂缝尖端的应力强度因子。

This paper describes the elliptical crystal spectrograph which is used to investigate X-ray spectroscopy of laser-produced plasmas.

描述了用于激光等离子体X射线光谱研究的椭圆弯曲晶体谱仪系统。

The paper studies the theories of elliptical crystal analyzer of spectrograph,analyses the integrated reflectivity and absorption coefficient.

探讨了椭圆弯晶谱仪理论原理，分析了积分反射率和质量吸收系数。

There are three main types of galaxy :spiral,elliptical,and irregular.

星系有三种主要类型：螺旋形、椭圆形和形状不规则的星系。

AM 1316-241 is made up of two interacting galaxies - a spiral galaxy in front of an elliptical galaxy.

AM 1316-241由两个相互作用中的星系构成，一个漩涡星系处于一个椭圆星系前方。

The body-fitted grids were generated using a system of elliptical partial differential equations. The k-ε model was employed to describe the turbulent characteristics. EBU-Arrehenius turbulent combustion model was used to determine the chemical reaction rate, while a six-flux model was applied to predict heat radiation and its influence on the wall and gas temperature.

利用椭圆型微分方程和区域法生成三维贴体网格，k-ε模型预估紊流特性，EBU-Arre-henius紊流燃烧模型估算化学反应速率，六通量模型预估辐射通量以考虑其对壁面和气流温度的影响。

The research works are listed as followings: 1. The computing method developed with the Matlab software has been proposed to solve transcendental equation containing elliptical integral. With this method the dimensionless contact parameter, contact stress and deformation in different ceramic materials have been computed for the first time, and its the efficiency and reliability has been proved. 2. The internal speed and motions of ball bearings as well as relevant quasi-statics formulae are conducted.

本文以轴承拟静力学分析为理论基础，围绕着轴承的数字化设计和高速陶瓷球轴承的结构参数进行了相关研究，主要内容如下：提出基于软件Matlab为平台的计算方法，首次得到了不同陶瓷材料的接触应力和变形等以前不易计算的数据，验证了这种方法具有简便可靠、适合于轴承计算、易于普及等优点。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。