离心率

TCECS分辨率的影响因素较多，主要有椭圆的离心率、狭缝的宽度、光源没在椭圆的前焦点上、探测圆轴线没有通过椭圆后焦点、瞄准对中等引起的误差。

There are many influencing factors for resolving ratio of TCECS , which are elliptical eccentricity , aperture width , light source not locating in the front focus of ellipse , the axis of detector does not pass through the back focus , aiming and alignment error .

拖动此形状，可添加一个由直径定义的圆。椭圆中允许调整离心率。

Drag to add a circle defined by diameter . Adjustable eccentricity allows for ellipse .

根据椭圆的几何关系，研究了光谱相对孔径与椭圆的离心率和谱线探测角之间的关系，它随X射线波长增大而减小。

The relation between the spectrographic aperture ratio and elliptical eccentricity , spectral angle is also analyzed according to the elliptical geometry , it will decrease when the x-ray wavelength increases .

卫星拦截问题中轨道离心率的求解

Solving process of track 's centrifugal rate E in the intercepting process of two satellites

这是一种看起来像椭圆型的东西，它的离心率比较接近于圆。

It 's kind of like an oblong looking thing , with eccentricity closer to that of a circle .

一个旁观者对气候天文理论的评论：冰期的主要驱动器是不是离心率驱动的日射？

An outsider 's review of the astronomical theory of the climate : is the eccentricity-driven insolation the main driver of the ice ages ?

作为理论天文学家，巴蒂金试图将一颗行星安放其中。这打散了柯伊伯带中的不少天体，但形成的椭圆轨道的离心率依然不够大。

Dr. Batygin , a theorist , tried placing a planet among them , which scattered some Kuiper belt objects , but the orbits were not sufficiently eccentric .

这种碰撞主要发生在450～500kin的高度范围内（空间站高度），碰撞与否还取决于轨道高度和离心率。

This collision generated on the altitude range 450 to 500 km ( space station altitude ) is shown to be extremely dependent on the altitude and eccentricity of the orbit in which the collision occurred .

椭圆环上的激子，随着离心率的增加，椭圆环的几何形状越来越扁，环的面积逐渐减小，要实现一定的磁通量，需要增加磁场强度，振荡周期变大。

The elliptical ring gets more and more flat and the size of ring decreases . In order to achieve a certain degree of flux , we need to increase the magnetic field strength and then the oscillation period gets larger .

变位后的齿轮节曲线仍然是一对共轭的椭圆，其离心率与变位前椭圆节曲线的离心率相同，而大小的相对变动量等于中心距的相对变动量。

The pitch curves of gear after modification are still a pair of conjugate ellipse with the same eccentricity as that of elliptical pitch curves before modification , and with the amount of relative variation of their size equals to the amount of relative variation of centre distance .

根据渐开线齿轮啮合的几何特性，推出几何中心距的计算公式，分析其最小值与初始啮合角和离心率的关系，给出拟合公式，简化了设计过程。

A formula was derived from the meshing characteristic of eccentric involutes gears to calculate the center to center , also the dependence of it 's minimum value on initial meshing angle and eccentricity was analyzed , and then a formula was fitted . The design process was simplified .

依此组合进行实验时，植脂淡奶的稳定效果良好，其脂肪上浮率为1.33%，离心沉降率为1.41%。

Under this condition , fat floating rate is 1.33 % , and centrifugal sedimentation rate is 1.41 % .

降低170型制冷压缩机缸套离心铸造废品率的研究

Investigation of Reducing Casting Reject Ratio of 170 Type Refrigeration Compressor Cylinder Sleeve by Centrifugal Casting

结果离心法清除率为91.7%，棉花法清除率为100%，微晶纤维法清除率为99.9%。

Results : Clearance rate of Centrifugation , Gossypium depuratum and Microcrystal fiber were 91.7 % 100 % 99.9 % respectively .

抛落式磨机内钢球离心力与转速率的关系

Relation Between Centrifugal Force of Steel Balls and Speed of a Ball Mill

此外，还研究了离心机的转速和离心时间对提取率的影响。

Furthermore , the effects of centrifugation speed and time on the extraction ratio were studied .

研究绿茶和乌龙茶提取液通过高速离心前后的透光率的变化，探索高速离心工艺对茶饮料产生沉淀的影响。

Researching the light absorbent rate of extraction of green tea and oolong by high speed centrifugal machine , explore the relation of tea drink 's deposition and high speed centrifugal machine .

方法通过链球蛋白酶消化、淘析法和梯度离心分离出纯化率95%、成活率＞90%的大鼠胃的肠嗜铬样细胞。

Methods Pure isolated ECL cell preparation with a purity of ± 95 % was developed by proteinase digestion , elutriation and density gradient centrifugation with viability of > 95 % as determined by trypan blue exclusion .