聚焦孔 的英文怎麼說

中文拼音 [jiāokǒng]
聚焦孔 英文
focal aperture
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • 聚焦 : [物理學] (使光或電子束等聚集於一點) focus; focusing; concentrate
  1. Simulation and experiment on basic principle, imaging algorithms, auto - focusing techniques and bathymetry are given in chapter five

    理、成像演算法、自運動補償技術與合成徑測深的模擬和實驗結果。
  2. 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

    當脈沖點相對于固體浸沒透鏡底面離時,對系統的有效數值徑進行了計算,結果表明採用固體浸沒透鏡離的方式進行記錄,系統的有效數值徑最低可增大到固體浸沒透鏡插入前的折射率倍,其數值徑的理論極限值為存儲介質的折射率。
  3. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直單色器在不同起飛角下的曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  4. In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam

    同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸,測量了不同光闌徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光中的光強,實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小,且分佈近似貝塞爾分佈,符合無衍射光束的特性;經過后,呈現三維分佈中空的光束bottlebeam ,實驗結果與理論分析基本吻合。
  5. This paper ' s study is focused on the principle of bistatic sar on the basis of giving a brief introduction of sar principle, including azimuth resolution, mapping width, focusing deepness, pulse repetition frequency limitation and radar equation etc. then the paper studies the special form of bistatic sar with stationary transmitter

    在簡要介紹了合成徑雷達的成像原理后,本文著重從原理方面對雙站sar進行了分析,討論雙站sar的方位向解析度,測繪帶寬,深度,脈沖重復頻率限制,雷達方程等問題,然後對發射機固定的雙站sar這種特殊的雙站sar模式進行分析。
  6. Sections were stained by he and were observed under light microscope. ( 4 ) observation on cell - matrix complex with confocal microscope. cell - matrix complex was stained by fluorochrome cfda - am ( loug / ml, looul ) after 7 days incubation, the sample was scanned by confocal microscope to observe cell - growth in the matrix

    細胞一多膜復合物的激光共顯微鏡觀察:取培養7天的細胞一多膜復合物,以10ug inl的熒光染料cfad am100ul染色,檄光共顯微鏡檢測激光激發的綠色熒光,掃描成像觀察活細胞生長倩況。
  7. Mitogen - activated protein ( map ) kinase signal transduction cascades are routes through which eukaryotic cells deliver extracellular messages to the cytosol and nucleus, and the increasing evidences showed that mapks are involved in aba -, sa - or h2o2 - signaling respectively. in addition, plant guard cells have been a well - developed model system for understanding how components interact within a signaling network in a single cell

    本實驗在表皮生物分析的基礎上,主要利用顯微注射技術、膜片鉗技術和激光共顯微技術,運用專一性蛋白激酶抑制劑處理,探索蛋白激酶對蠶豆( viciafabal . )氣保衛細胞中aba和sa誘導的h _ 2o _ 2產生及其信號轉導影響機理,結果如下: 1
  8. This paper discusses several questions about imaging algorithms of sar. mainly it discusses three imaging algorithms - range - doppler algorithm, wavenumber domain algorithm and chirp scaling algorithm. still it discusses the assistant processing algorithms of imaging algorithms - doppler centroid estimation algorithms and autofocus algorithms

    本文論述了合成徑雷達( sar )成像演算法方面的一些問題,主要討論了三種成像演算法? ? - range - doppler演算法,波數域演算法及chirpscaling演算法,並討論了成像演算法的輔助處理演算法? ?中心頻率估計演算法及自演算法。
  9. Here, aba - induced h2o2 generation and their roles in inducing stomatal closing were investigated by epidermal strips bioassay, laser scanning confocal microscopy and patch clamp with ios5 and its wild type plant as materials. there were no clear differences between wild type and ios5 in the density, shapes and aperture of their stomata

    本文以los5及其相應野生型為材料,採用表皮條生物分析、激光掃描共顯微技術及膜片鉗技術研究了nacl脅迫條件下, aba誘導保衛細胞內h _ 2o _ 2的產生及二者在誘導氣關閉中的作用。
  10. A horse focuses its eye by changing the angle of its head not by changing the shape of the lens of the eye as humans do

    馬通過轉動頭的角度使眼鏡,不象人那樣通過改變瞳的形狀
  11. A horse focuses its eye by changing the angle of its head, not by changing the shape of the lens of the eye, as humans do

    馬通過轉動頭的角度使眼鏡,不象人那樣通過改變瞳的形狀
  12. 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在其上。
  13. 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選擇實驗性的完成,此方法多數能在移動目標后準確完成,然後(重置目標后)僅通過目標透鏡樣本。
  14. Changes in h2o2 generation in guard cells of vicia faba induced by aba were measured by using fluorescence probe, 8 - hydroxypyrene - l, 3, 6 - trisulfonic acid ( hpts ). examination of epidermis peel was performed using a laser scanning confocal microscope ( lscm ) and spectrofluorometer, set to an excitation light of 405 nm and an emission light of 512 ran

    以蠶豆葉片下表皮為材料,將熒光探針hpts導入蠶豆氣保衛細胞內,利用熒光光譜和激光共顯微鏡技術,檢測了aba誘導蠶豆氣關閉過程中h2o2的產生。
  15. This new method will bring significant developments in studying the principles of stomatal movement, and other quick movement in plants, c ) guard cells are incubated with ph dependent fluorescent chemical probe " bcecf am " and excited at 488nm, the fluorescent emission ratio method ( 520nm / 640nm ) is employed with laser scanning confocal microscopy, about 0. 4 ph unit increase in guard cell vacuoles is observed during stomatal closure that is induced by aba

    本發展為保衛細胞與其它小細胞液泡的進一步研究提供了新思路。 c )本工作通過激光共顯微術配合ph熒光探針bcecfam的單激發( 488nm )雙發射的熒光比值法( 525nm 640nm )觀察到,用aba處理的表皮條上的開放態氣在關閉過程中其保衛細胞液泡內ph有一約0 . 4單位的上升。
  16. Aiming at the application of shaft ultrasound imaging in cased well, the scheme improves imaging resolution power and gives the reasons why space resolution power is superior to conventional imaging

    在此基礎上,針對井壁超聲成像在套管井檢測的應用實際,建立了提高成像解析度的合成成像模型,並對此進行了論證。
  17. Furthermore, aba may activate multiple ca2 + flux in stomatal guard cells, triggering vacuolar k + ( rb + ) release. besides these known components, hydrogen peroxide is a ubiquitous second messenger which has been researched in plants. this paper showed aba - induced h2o2 generation in guard cells of vicia faba, and activation of ca2 + channels by h2o2

    本實驗利用激光共顯微技術、膜片鉗技術以及熒光分光光度技術研究了aba誘導蠶豆氣保衛細胞產生h2o2 ,並可能是由nadph氧化酶催化產生的,同時也證明了h2o2是引起ca2 +內流的一個關鍵成分。
  18. Chapter 3 : in this chapter, the propagation characteristic and focusing properties of elegant hermite - cosh - gaussian ( ehchg ) beam through a finite aperture are investigated. the variance of the beam width, the generalized analytical expression of mg2 - factor and the power fraction of the truncated beam are derived theoretically and illustrated numerically

    第三章:討論了eleganthermite - cosh - gaussian ( ehchc )光束通過有限徑的傳播特性和性質,得到了其光束束寬, m ~ 2因子及能量分數的解析表達式,並分析了影響光束參數的因素及其變化規律。
  19. In the focus method, the methods of multilook and the estimation of doppler parameters are discussed

    合成徑處理中,對多普勒參數估計以及多視處理等內容也進行了研究。
  20. The demand of autofocus for high resolution real time synthetic aperture radar ( sar ) is very high

    摘要高解析度機載合成徑雷達實時成像對自的要求非常高。
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