透鏡孔 的英文怎麼說
中文拼音 [tòujìngkǒng]
透鏡孔
英文
lens opening-
The ultrastructure of the merozoites of eimeria tenellawas observed and discribed. the pellicle consist of two layer membranes, the outer membrane was a continous covering enclosing the whole merozoites, while the inner pellicular complex is interrupted at the anterior and the micropore, and thicken to form the polar ring and micropore. there are 24 microtubules under the pellicle of the merozoite which originated from the polar ring, all of them are connected with the polar ring, and extend alongside the inner pellicular complex to the middle of the merozoite. the head of the merozoite consists of a conoid, an apical vesicule and polar ring. the conoid is a hollow truncated cone. the conoid and spical vesicule can stretch and contract. there are three or more rhoptry and a lot of micronemes. the nucleus has nucleolus. and two layer membranes
利用透射電鏡對柔嫩艾美耳球蟲裂殖子的超微結構進行了觀察描述.柔嫩艾美耳球蟲裂殖子的表膜由外膜和內膜復合體兩層組成,外膜連續,內膜復合體在頭部斷開形成極環,在其它部位斷開形成微孔;裂殖子的膜下微管24根,起始於極環,向後延伸至細胞核處;裂殖子的頭部由頂泡、錐體和極環組成,錐體和頂泡可以伸縮;柔嫩艾美耳球蟲裂殖子棒狀體3個以上,微線數量很多,二者都由電子緻密的結構組成;細胞核位於裂殖子的中後部,外被雙層膜,有電子緻密的核仁和染色質This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress - free plane - convex lenses a and b and a diaphragm c having a small aperture
此裝置稱為錐光鏡,如圖14 2所示,它由a和b兩個無應力平凸透鏡和一個帶小孔的光闌c組成。In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites
在第二章中,我們採用高能球磨混合方法加上熱壓燒結工藝,成功制備了ni - 20fe al _ 2o _ 3納米復合材料,並通過x射線衍射儀( xrd ) 、透射電鏡( tem ) 、場發射掃描電鏡( fe - sem ) 、比表面孔隙儀( bet )對該復合材料的微結構進行了表徵。When only allows the total internal reflection beams focus on the small aperture, which is formed at the center of metal film coated on the bottom of solid immersion lens, the optical fields propagated from the aperture of different dimension is first simulated
根據衍射超分辨原理首次模擬出了底面鍍有金屬膜、中心留有通光微孔的固體浸沒透鏡的出射光場分佈。The feasibility and some advantages of employment of sil have been discussed. the numerical aperture are calculated when laser pulse is defocusing. in contrast with traditional microscopy objective, the employment of solid immersion lens can effectively increase the numerical aperture of the recording system ; thereby it can increase the volumetric density and decrease the demand of the incident laser power
當脈沖聚焦點相對于固體浸沒透鏡底面離焦時,對系統的有效數值孔徑進行了計算,結果表明採用固體浸沒透鏡離焦的方式進行記錄,系統的有效數值孔徑最低可增大到固體浸沒透鏡插入前的折射率倍,其數值孔徑的理論極限值為存儲介質的折射率。This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress-free plane-convex lenses a and b and a diaphragm c having a small aperture.
此裝置稱為錐光鏡,如圖142所示,它由A和B兩個無應力平凸透鏡和一個帶小孔的光闌C組成。This paper is a part of the project : research of manufacturing technology for unfocused aspherical surface system of large relative aperture, sponsored by national high technology 863 - 802. the purpose of this paper is deeply research the testing methods of primary and second mirror for unfocused aspherical surface, and to present the testing methods of primary mirror of the large relative aperture and transmission and reflected second mirror. the beam path diagrams and the relative design results are given in this paper
本文是國家高技術項目863 - 802的子課題「大相對孔徑無焦非球面系統製造技術研究」的一部分,其目的是對大相對孔徑無焦非球面系統的主鏡和次鏡檢驗方法進行深入研究,提出大相對孔徑主鏡和透射式及反射式次鏡檢驗方法,並給出檢驗方案和相關的設計結果。A very small lens aperture is employed to correct spherical aberration, but this severely limits the final resolution.
可以用一個非常小的透鏡孔闌來校正球差,但這會嚴重地影響最終鑒別率。The paper mainly focused on the beam transport part of asipp key laboratory of ion beam bioengineering and it ' s component elements, for example, van de graff accelerator, bending magnet, magnetic quadruple lenses, beam shutter, collimator and so on. the laboratory has performed the milestone achievement that is beam passed the hole of lo ^ m diameter in experiments. many experimental results are discussed by theories according to experiments
本文重點討論了中科院離子束生物工程學重點實驗室單粒子束裝置的束流傳輸部分,對主要部件進行了詳細的討論,如:靜電加速器、偏轉磁鐵、磁四極透鏡、束線開關、瞄準器等,實驗中已取得束流穿過10 m小孔的標志性成果,並運用相關理論結合具體實驗分析了實驗結果。The eye has a pupil. we are pupils / students in a university experiencing through the lens of time - virtual reality
眼睛有一瞳孔。我們是一所大學通過時間透鏡-虛擬現實經驗的小學生/學生。The outline of fiber ' s tip has very great influence on the coupling efficiency. it is reported, using the way of grinding and melting to form a microlens on the fiber ' s tip, can increase fiber ' s numerical aperture, reduce the ellipticity of laser, and improve coupling efficiency
光纖端面的形狀對耦合效率有很大的影響,有文獻報道,採用拋磨燒熔等加工方法,可在光纖端面形成一個微透鏡,增大光纖的數值孔徑,對入射激光進行橢圓度校正,從而提高耦合效率。We analyze the positive and negative lens effect caused by the hole theoretically and give the expression of normalized transmittance in this condition
本文從理論上分析了因孔洞而產生的正透鏡或負透鏡效應並給出了歸一化透過率的表達式。Now, since the aperture can only be inserted in the one fixed plane it follows that the first image should be formed in this plane and the diffraction lens focused on to it
現在,由於孔可以僅僅被嵌入所屬的一個指定的平面,第一成像就應該出現在這個平面並且衍射透鏡聚焦在其上。This is achieved experimentally by focusing the selector aperture on the final screen using the diffraction lens, which is most accurately done after removing the objective aperture, and then ( after replacing the objective aperture ) focusing the specimen using the objective lens only
這已經通過使用衍射透鏡在最終屏幕上聚焦選擇孔實驗性的完成,此方法多數能在移動目標孔后準確完成,然後(重置目標孔后)僅通過目標透鏡聚焦樣本。Many academicians researched their formation and accumulation mechanism and put forward manifold mechanisms, including the special mechanism of minority liquid molecular controlling the accumulation of lens reservoir by unknown gravitation, difference between liquid pressure compelling hydrocarbon to accumulate firstly in the lens reservoir, along cranny in the case of hydrocarbon replacing pore water in the lenticular body under capillary pressure, difference breakthrough employing hydrocarbon entering lens reservoir and so on
國內外學者提出了多種成藏機制,包括未知重力運動機製作用下,少數流體分子的個別特性控制透鏡狀砂巖油藏聚集;毛細管力作用下油氣替換透鏡體中的孔隙水;烴濃度差是油氣向砂體運移的主要動力;流體壓力差使油氣首先沿著裂隙向砂巖透鏡體中運移、聚集而成藏;差異突破作用使砂巖透鏡體成藏等。The specimen is mounted in a special holder which fits into the bore of the objective lens and enables the specimen to be tilted through angles greater than 30 about two orthogonal axes so that appropriate crystallographic analyses can be carried out
樣本被架在特殊的支架上,支架被放置在目標透鏡的圓孔中,使得標本傾斜的角度能夠超過30穿過兩個正交的角,然後適用的晶體學分析再展開。Applying the standard gaussian beam abcd matrix propagation theory, the parameters selection and the corresponding performances of a laser - guide - star emission system are presented theoretically. in received system, the light route matching problems of the micro - lens array and ccd, collimating lens are considered. the performances of seven - aperture and multi - aperture lens arrays are measured by he - ne laser beam
採用高斯光束標準abcd傳輸矩陣理論設計了發射系統參數,討論了不同參數的微透鏡陣列和準直透鏡、 ccd的光路匹配問題,並用he - ne激光束檢測了七孔徑和多孔徑透鏡陣列的工作性能。Ratio of lens aperture
透鏡孔徑比This paper addresses the use and characteristic of capillary pressure curve, and discusses the relationship between stage filling mechanism of lenticular sand body and pore throat structure
從毛管壓力曲線用途及曲線方法本身特點出發,對透鏡狀砂巖體階段式充注機理以及與孔喉結構的關系進行詳細探討。These lens caps include a pinhole to protect the unit from bright light, but still allow the user the option of daytime use
這些透鏡蓋包括針孔,在明亮的環境下以保護系統,但仍允許用戶選擇白天使用。分享友人