In interference experiments with Newton's ring, considered only is the interference of the air film formed between the convex lens and the plain glass.
普通物理实验中,牛顿环干涉实验只考虑在凸透镜与平面玻璃之间形成空气薄膜下的干涉现象。
By using the convex lens to focus the solar energy, the use amount of the crystal silicon batteries is largely reduced and the energy conversion rate is improved.
由于利用凸透镜对太阳光进行聚焦,因此晶硅电池的用量大大减少,同时光能转化率也有所提高。
As the pump light incident port of the heating cylinder is provided with the convex lens to increase the light intensity of pump light, the performance of the cavity-cell system is guaranteed.
在加热筒抽运光入射端口加装凸透镜增大抽运光光强,确保了腔泡系统性能。
Water surges from the cells on the inside of the leaf to those on the outside, causing the leaf to rapidly flip in shape from convex to concave, like a soft contact lens.
水从叶子内部的细胞涌向外面的细胞,导致叶子迅速地从凸向凹翻转,就像一片柔软的隐形眼镜。
They're lenses because they're convex vessels, and when they're full of water, they act as a lens and you see the horizon in them, upside down and backwards.
它们是透镜,因为它们是凸面容器,当它们盛满水后,它们可作为透镜使用,你可以看到它们里面上下颠倒的地平线。
They're lenses because they're convex vessels, and when they're full of water they act as a lens and you see the horizon in them, upside down and backwards.
说它们是镜头,因为它们是凸面的容器。盛满水后,它们可作为镜头使用,你可以通过它们看到颠倒过来的地平线。
Putting water into the lens' chamber turns the normally flat lens a convex hemisphere.
将水注入镜头的腔中时,会把平时平面的镜片变成凸出的半球。
(Injecting water back returns the detector to a flat surface.) Injecting water into the chamber of the lens makes the thin membrane become a convex hemisphere.
(给舱室注射水使检测器表面回复平坦)注射水进入透镜舱室使得薄膜变成凹半球。
Objective: to observe the effect of concave and convex on growing and the refractive developing of guinea pig eyes and to establish lens-induced animal model of myopia or hyperopia.
目的:观察凹透镜和凸透镜对豚鼠眼球生长和屈光变化的影响,建立透镜诱导型屈光不正动物模型。
And give out the unified optical path, Newton's ring radius and convex lens curvature radius measurement formula of non - contact type, simple cutting type and tangent type Newton's Rring.
并给出了非接触式、浅近切割式及相切式牛顿环的统一的光程差,牛顿环半径及凸透镜曲率半径测量公式。
We fabricated a large computer-generated holography on a concave lens surface to test the convex secondary mirrors surface.
在凹透镜表面上制作出了用于凸非球面检测的曲面全息图。
In the experiment we used convex-plane unstable resonator, and analysis the convex mirrors and gain medium thermal lens as a telescope system.
实验采用凸平直线非稳腔,将凸面镜和增益介质热透镜效应等效为望远镜系统进行分析。
The optical aberration difference between the biconvex Fresenl lens and the plane-convex Fresenl lens was investigated by designing a large aperture Fresenl lens.
通过一个大尺寸菲涅尔透镜的设计,比较了曲面菲涅尔透镜和平面菲涅尔透镜在光学像差方面的差异。
A convex lens causes rays to converge on a single point, the focal point.
会聚透镜使光线会聚于一点,即焦点。
The parallel light rays of the prnicipal axis that approach a convex lens can converge to the focal point.
只有在近轴光线条件下,平行光通过凸透镜才可近似聚焦于一点。
Then using another convex lens and a micrometer eyepiece the altered parallel rays is focused, and the imaging size of line pair of collimator imaged on the another convex lens is measured.
用一辅助凸透镜与一测微目镜进行平行光束的会聚,测出准直管玻罗板线对在辅助凸透镜焦平面上所成像的大小;
Firstly, a telescope system is made up with a concave lens and a long-focus convex lens, by which the angle of the parallel beam from the collimator can be change.
该方法借助一个焦距较长的凸透镜与被测凹透镜组成无焦系统,可以使准直管出射光束的张角发生改变;
The characteristics of negative temperature state system were discussed, and compared with the image-forming behavior of thin convex lens.
分析了处于负温度状态系统的特征,并将其与薄凸透镜成像特征作类比,阐明了应用类比法讲授负温度状态的优越性。
The detected pyroelectric infrared signal passes through an optical filter and is focused by the swinging convex lens and the infrared focus is also swinging slightly.
被检测的热释电红外信号经过滤光镜片和摆动的凸透镜聚焦后,其红外光焦点同样也进行微幅摆动。
Conjugate method is an accurate, simple and convenient method to measure the focal distance of thin convex lens.
共轭法是一种较为准确和简便的测量薄透镜焦距的方法。
Objective To investigate the effect of lower degree convex lens on preventing myopia of primary school students.
目的探讨低度凸透镜预防小学生视近的效果。
The utility model discloses a liquid-filled convex lens which is an optical convex lens formed by transparent liquid filled in a convex hollow transparent solid outer shell.
充液凸透镜,是用透明液体充进凸型空心透明固体外壳中而形成的一种光学凸透镜。
The utility model relates to a solar energy battery structure which comprises a crystal silicon battery, on the top of which a convex lens used to focus the sunlight is arranged.
本实用新型涉及一种太阳能电池结构,包括晶硅电池,在晶硅电池的上方设置有用于 聚焦太阳光的凸透镜。
Under conditions of monochromatic light and a small object, the spherical aberration was the main factor which led to measuring error of focus of thin convex lens.
在单色光、小物条件下,球差是引起薄凸透镜焦距的测量误差的主要因素。
Two kinds of convex lens which make parallel light rays converge to the focal point are given.
本文给出两种能使平行光严格聚焦于一点的凸透镜。
Among the reshaping systems converting a Gaussian beam to a flattop beam, the system composed of a plane-concave and a plane-convex lens, is a relatively simple structure.
在将高斯光束整形为平顶光束的整形系统中,由两个非球面镜组成的系统是比较简单的结构形式,该系统由平凹镜和平凸镜组成。
A piano-convex cylinder lens is utilized to convert the laser beam to plane, to forms a stripe on the welding works. Two frames of stripe image are captured by the cameras synchronously.
它采用安装在机器人末端的两台摄像机和一只激光器构成测量系统,激光器发出的光束经平凸柱面镜变成光平面,在焊件上形成条纹。
A piano-convex cylinder lens is utilized to convert the laser beam to plane, to forms a stripe on the welding works. Two frames of stripe image are captured by the cameras synchronously.
它采用安装在机器人末端的两台摄像机和一只激光器构成测量系统,激光器发出的光束经平凸柱面镜变成光平面,在焊件上形成条纹。
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