查询词典 Archimedes

The flow properties of the polypropylene and polyethylene were studied using Archimedes spiral and square spiral melt fluidity test molds, which had the same shape of cross section but different cavity profiles, and then relationship between melt flow ratio and cavity profile was analyzed.

摘 要：对聚丙烯和聚乙烯 2种塑料在阿基米德螺旋线与方形螺旋线流动性测试模具中的流动性能进行研究，分析塑料流动比与型腔轮廓特征的关系；引入修正系数β，对流动比校核公式进行修正。

Based on the Reynolds stress model CFD numerical simulation method, the experimental study of the inflow field and separation feature of nine forms of entrance structures of the oil-water separation hydrocyclone including vortex curved entrance and Archimedes spiral entrance is carried out and four kinds of ideal optimized entrance structures are obtained.

采用雷诺应力模型CFD数值模拟方法，对涡线形曲面入口、阿基米德螺旋线形入口等9种油水旋流分离器入口结构形式的内流场和分离特性进行了试验研究，得出比较理想的4种优化入口结构形式。

A formula was deuced, which shows the relation between the outlet angle of center line of channel and wrap angle, variant coefficient, if variant Archimedes spiral is assumed the curve of center line of plate plane. It is the basis for controlling outlet angle of channel.

推导了采用变异的阿基米德螺线作为平面流道中线时，中线出口角与包角和变异系数之间的关系式，为设计中控制流道出口角提供了依据。

According to this, a new structure-the oil-water cyclone separator with the spatial Archimedes spiral cord imported flow channel and conduction current spiral-is proposed.

研究表明，采出液在进口处的相互流动干扰对油水分离效果有重要影响，据此提出一种新型结构－带有空间阿基米德螺旋线进口流道和导流螺旋的油水旋流分离器。

Polar-coordinate NC Tool accept'G01 X,Z,C'instruction to complete a resultant Archimedes Spiral trails, Which is composed of a rotational coordinateand a linear motion.

极坐标数控机床接受"G01 X，Z， C"格式的极坐标指令，完成C 轴旋转坐标和Z轴线性坐标的合成运动轨迹—阿基米德螺线轨迹运动。

Spherometer ; Theory equation of sphere curvature radius ; Principle of Archimedes spiral.

球面曲率计；理论球径公式；阿基米德螺线原理

Polar-coordinate NC Tool accept 'G0l X,Z,C' instruction to complete a resultant Archimedes Spiral trails, Which is composed of a rotational coordinateand a linear motion.

极坐标数控机床接受"G01 X，Z，C"格式的极坐标指令，完成C抽旋转坐标和Z轴线性坐标的合成运动轨迹－阿基米德螺线轨迹运动。

Planar Archimedes spiral antenna,conical spiral antenna and the printed log periodic dipole antenna,were researched in frequency domain on the demand of jammer and seeker.

根据干扰机和导引头应用需要，从频域来研究平面阿基米德螺旋天线、锥台螺旋天线和印刷对数周期天线。

The Archimedes' Principle is introduced and demonstrated through a number of problems.

不同的特性进行了讨论，如密度和压力。

Archimedes' Principle is the law of buoyancy.

阿基米德的原则是法律的浮力。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"