薄透鏡 的英文怎麼說
中文拼音 [bótòujìng]
薄透鏡
英文
thin lens-
It is above and supported by seawater, rises and falls with the tides and accretes with seawater
其形態中間厚,邊緣薄,宛如一枚巨大的凸透鏡,承托于海水之上,與潮汐同漲落,與海水相伴生。When a collimated - well gaussian laser beam passes through a 27i - phase plate and then focused by a lens, a focused hollow beam ( fhb ) will be generated behind the lens, as a result of the completely ( r = 0 ) and partially ( r 0 ) destructive interference effects around the central region of the beam
當一束準直的高斯光束通過具有2位相分佈的位相片和一個薄透鏡時,這將導致在入射高斯光束中心的完全和部分相消干涉效應,於是在透鏡后就會形成一束聚焦中空光束( fhb ) 。On the determination of errors in thin lens ' focal distance
對測定薄透鏡焦距誤差的探討In this paper, the focal distance formula of lens in varied shapes is obtained by using object methods to make its physical meaning more obvious
摘要採用直觀的方法得出了空氣中各種形狀的薄透鏡的焦距公式,使其物理意義更加明顯。( 4 ) we use sem to observe fractured morphology of composites, and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone
( 4 )採用掃描電鏡( sem )觀察缺口沖擊的斷裂形貌,通過透射電鏡( tem )觀察納米粒子和復合納米粒子的分散情況和粒徑的大小;通過超薄切片法研究復合粒子在聚合物基體中的分散性。Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied
氧化銦錫( ito )是一種高簡並的n型半導體,由於具有導電性,可見光高透過率,紅外反射性,穩定的化學性,被廣泛應用於熱反射建築玻璃、抗靜電塗層,太陽能電池,熱發射鏡,平板顯示器和液晶顯示屏,傳感器,有機光致二級管( oled )等方面,國內外對高質量的ito薄膜的制備和應用進行了深入的研究,但是很少有ito納米粒子與高分子材料復合的報道。Abstract : by means of metallographical examination and sem, the microstructure characteristics, macro - and microfractographs of the brittle broken wheel hull bolt of bj212 automobile have been studied. the results show that the thin - headed screw, with excessively deep carbonitriding layer and hardening layer, has less resistance to brittle fracture in the thin area of its head. at the root of the head connecting the stem, a tensile stress may emerge owing to the non - even quenching stress. those are the two reasons for low torque fracture of bolt
文摘:藉助金相、掃描電鏡等手段對低扭矩脆斷的bj212汽車輪殼螺栓的金相組織特徵,宏觀和微觀斷口形貌等進行了研究,結果表明:這種頭部薄的螺栓,滲層和淬透層過深,使頭部薄區脆斷抗力降低,在頭部與桿的根部,由於淬火應力不均勻導致根部產生拉應力,均是導致螺栓低扭矩斷裂的原因。Growth and characterization of crn zrn multilayers
菲涅耳硅橡膠透鏡表面防護薄膜的制備與表徵The course covers non - sequential ray tracing, sources, detectors, objects, ray splitting, scattering, ghost analysis, stray light analysis, prisms, fresnel lenses, multi - element lenses, gradient index, polarization and thin film modeling
本課程涵蓋了非連續光線的追跡、光源、探測器、物體、分光、散射、鬼像分析、雜散光分析、棱鏡、菲涅耳透鏡、多元件透鏡、梯度折射率、偏振和薄膜的建立。By digitization, we optimize the intensity data of the incidence beam at the vicinity of start point and end point. 3
通過選擇合適的塗膠參數,在凹透鏡表面上進行了薄光刻膠膠層的均勻塗布。A method of solving the initial structure of a three - thin - lens null corrector
無光焦度3貼合薄透鏡組初始結構參數求解方法探討In this same way we could compute the response of any number of thin lenses.
用同樣的方法,我們能夠求出任意數目的薄透鏡的響應。Electrons which pass through the thin specimen are brought to a focus in the back focal plane of the objective lens, this lens, like all electromagnetic lenses, acts as a converging lens and thus forms a diffraction pattern in this b. f. plane
穿越薄樣本的電子被帶到目標透鏡背面焦點平面的一個焦點,這個透鏡,象所有的電子透鏡一樣,充當了聚焦透鏡的作用,因此,構造了在這個背面焦點平面的衍射模式。In this paper, the stl technique with cw modulated top - hat beam excitation is investigated theoretically and experimentally. 1. the theoretical model based on the fresnel diffraction integral is developed to describe the stl signal excited with the cw modulated top - hat beam for the first time to the best of our knowledge
本論文提出採用連續調制的平頂光束作為激勵光的表面熱透鏡技術測量薄膜吸收的方法,主要開展了如下工作: 1 .建立了連續調制的平頂光束作用下樣品的表面熱透鏡信號模型。The principal points of a thin lens coincide at the center of the lens.
薄透鏡的兩個主點與透鏡中心相重合。How to find the position of the image in the experiment of measuring the foci of thin covex
測薄透鏡焦距實驗中成象位置的確定方法Triplet thin lens
三合薄透鏡When a larger waist w of the incident gaussian beam and a shorter focal length / of the lens are chosen, we can obtain an extremely - small dark spot size of the focused hollow beam, even approach the diffraction limit
當選擇較大的入射準直高斯光束的束腰w _ 0和較短的薄透鏡焦距f時,可以在焦平面上產生一個很小的dss (或束半徑r _ 0 ) ,甚至可以接近衍射極限。The preceding chapter, for the most part, dealt with paraxial theory as applied to thin spherical lens systems.
前一章討論的基本上是應用於薄球面透鏡系統的傍軸理論。The experimental setups have been built in the use of the photothermal deflection technology and surface thermal lensing technology, respectively. the weak absorption of different optical thin films has been measured. the experimental results obtained from the above two methods were compared
4 .分別建立了表面熱透鏡技術和光熱偏轉技術測量光學薄膜微弱吸收的實驗裝置,對多種光學薄膜樣品的微弱吸收進行了測量,並將兩種方法測得的實驗結果進行了比較。分享友人