查询词典 optical lens

A new method based on the spectrum-dividing and achromatic principles of binary optical lens to design the relay optical system of the resource satellite is proposed.

使用一种基于二元光学透镜的分光成像及消色差原理的新方法来设计资源卫星的中继光学系统。

The designed optical lens can collimate the light in vertical direction within plus/minus 5 degrees, while distribute the light energy uniformly in horizontal direction within 120 degrees.

基于侧准直原理和LED的光强分布特性，结合现有的二维准直表面和非成像光学二维形成给定光强分布表面的设计方法，设计了具有扩展功能的垂向准直、侧向120°内角向均匀分布的适用于航标灯的LED单元模块。

On creating model of cultured hippocampal neurons injured by amyloid, we studied the mechanisms of close interrelation between amyloid and Alzheimer"s disease at cell and molecular level with advanced test methods. For example, the technique of optical lens and electron microscope , immunohistochemical method,biochemistry.molecular biology and HPLC, so as to deeply probe into the mechanisms that Decotion of Rehamanniae prelects and treats Alzheimer"s disease.

本课题通过建立β淀粉蛋白损伤离体培养的海马神经元模型，运用光、电镜技术及免疫组化、生物化学、高效液相及分子生物学等先进的检测手段和方法，从细胞及分子水平进一步探索了Aβ与老年性痴呆发生、发展密切相关的综合机制，从而全面深入地探讨了地黄饮子防治AD的作用机理。

So it is a effective prescription of protecting and treating AD.In our experiments, the model ras were administered D-gal intraperitioneal injection and β-Amyloid protein fragment_(1-40) into hippocampus. Mean well we used the technique of optical lens、 electron microscope、 immunohistochemical method, biochemistry and molecular biology.We studied the mechanisms that DR pretect and treat AD from the aspects of apoptosis、 inflammation injury、 oxidative injury 、 cholinergic neuron injury and the behavior experiments at cellar and molecular level.

本实验复制了D-gal腹腔注射合并Aβ_(1-40)海马定向注射AD动物模型，运用光、电镜技术及免疫组化、生物化学及分子生物学等先进检测方法，从行为学及细胞、分子水平探索地黄饮子对过氧化损伤、胆碱能损害、炎症损伤、细胞凋亡等相关调控因素影响的作用机制。

The transparent colorless fluorite can be used to produce special optical lens.

透明无色的萤石可以用来制作特殊的光学透镜。

This invention relates to a slider (11) for an optical data writing/reading apparatus (1), the slider carrying an optical lens (40) defining a focal point (42), the slider having a configuration such that, upon variation of the disk speed such as, for example, caused by a slider movement from an inner diameter to an outer diameter, the pitch angle varies owing to a pivot movement about a pivot axis which lies in a vertical plane through the focal point, the pivot axis preferably coinciding with the focal point.

本发明涉及用于光学数据写/读装置(1)的滑动器(11)，在该滑动器(11)上装有确定焦点(42)的光学透镜(40)，该滑动器具有这样一种结构，以便于在诸如滑动器从内径到外径运动造成盘速变化时，由于围绕位于经过焦点的垂直平面内的旋转轴的枢轴运动而改变倾斜角。

An optical lens with a power of + 1 dpt has a focal length of 1 m.

例如焦距是10厘米的镜片（0.1米）其屈光度就是10。

The merit of the invention are: 1 adopting free curved surface imaging method , three part reflection type Zernike polynomial free curved surface forms short focal distance bigger, relative apertures bigger fields of view angle imaging , rectifying optical aberration much better and its structure is simple; 2 adopting the reflection structure without optical lens, has removed the effect of various chromatic aberration , guarantee the imaging articulation; 3 adopt the design of short focal distance big fields of view angle, focal distance 8 - 15 mm, field of view angles 100 -135 degree, having 120 times multiplications under 250 mm imaging distance, having ultra-thin characteristic property; 4 adopting big relative apertures design ,the relative aperture is 2.0-2.4, having improved the illuminance of flat surface; 5 adopting image space telecentric imaging method , ensures that the image surface irradiance is homogeneous.

本发明的优点是：1采用自由曲面成像方法，三片反射式Zernike多项式自由曲面形成短焦距大相对孔径大视场角成像，更好地校正像差，结构简单；2采用无透镜形式的反射式结构，消除了各种色差影响，保证成像清晰度；3采用短焦距大视场角设计，焦距8～15mm，具有100～135度的视场角，在250mm成像距离下有120倍的放大倍数，具有超薄特性；4采用大相对孔径设计，相对孔径为2.0～2.4，提高像平面上的光照度；5采用像方远心成像方法，保证像面辐照度均匀。

Optical imaging in which the most sophisticated part of the design, whether or optical lens reflex camera, a slight change will affect the quality of CCD imaging, CCD could have received even less than the phenomenon of image signals.

其中光学成像部分的设计最为精密，无论是光学镜头或是反射镜头，稍有变动就会影响CCD成像的质量，甚至可能产生CCD接收不到图像信号的现象。

A combination of two or more such pieces, sometimes with other optical devices such as prisms, used to form an image for viewing or photographing.Also called compound lens

镜头：由两片或更多的透镜组成的联合体，有些还要加上其它的光学仪器，如棱镜，用来成像以便观看或摄影也作 compound lens

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。