聚焦變化 的英文怎麼說

中文拼音 [jùjiāobiànhuà]
聚焦變化 英文
variation of focus
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 焦 : 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. We used fission yeast schizosaccharomyces pombe ( s. pombe ), an unicellular eukaryotic organism, as research material. electroporation was adopted to load ca2 + fluorescent indicator into yeast cell and under the laser scanning confocal microscopy ( lscm ), we observed cytosolic ca2 + distribution and relative content as well as fluorescence intensity of gfp - cam in different phases of cell cycle of yeast cell. flow cytometry provided a way of determining the relative dna content of populations of fission yeast

    本文以單細胞的真核模式生物裂殖酵母（ schizosaccharomycespombe ）為研究材料，通過激光掃描共聚焦顯微鏡觀察酵母細胞胞質內游離ca ~ （ 2 + ）的分佈及相對濃度，以及不同周期時相細胞中gfp - cam的熒光強度變化，並採用細胞流式法對酵母細胞的相對dna含量進行測定以確定細胞所處周期時相。
  2. The super resolution effect of sb layer super resolution structure is also investigated with near - field scanning optical microscope. in addition, a rigorous three - dimensional ( 3d ) optical electromagnetic finite - difference time - domain ( fdtd ) model for analysis of a sil system is detailed. in order to accurately analyse sil model, a new method of setting a focused gaussian beam source in fdtd grids is presented

    此外，本文還建立了對sil系統光傳輸特性進行模擬的時域有限差分程序，提出一種在fdtd模擬的離散空間設置會聚高斯光源的新方法，並模擬了會聚高斯光束在sil系統中的傳輸，研究了sil在不同離焦情況下底面出射光場幅度及光束半徑的變化規律，為sil存儲系統的優化設計提供了理論依據。
  3. 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，測量了不同光闌孔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孔中的光強，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;經過聚焦后，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。
  4. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. It was found that the overall features of the raman spectra depend strongly on the confocal depth

    研究結果表明：在不同的激發光聚焦深度，聚苯胺膜的拉曼光譜有明顯變化。
  6. At that time, cytosolic fluorescence intensity decreased to normal level, which shows that most of cells get through the gl / s point and enter the log phase. when cultured in medium that neucl was omitted, most of the cells were synchronized at gl stage of cell cycle. with flow cytometry, we found that cytosolic cam content of gl cells was higher than that of normal cells at log stage

    在激光掃描共聚焦顯微鏡下觀察不同周期時相裂殖酵母細胞中cam的濃度及分佈變化，結果表明，分裂期細胞總體熒光強度強于間期細胞；而對同一細胞內熒光強度的分析說明，間期細胞的熒光主要分佈於胞質中，細胞核內則分佈較少；而正在進行有絲分裂的細胞內熒光主要集中於赤道板處；剛完成有絲分裂的細胞內熒光則相對集中於兩端或其中的一端。
  7. The lung tissue for immunohistochemitry and laser scanning confocal microscopy were fixed and embedded. the morphological alteration of pulmonary neuroendocrine cells which stain for calcitonin gene - related peptide ( cgrp ), serotonin ( s - ht ) and luteinizing hormone ( lh ) were studied. the results of these were dealed with computer image analysis and statistical treatment

    肺組織取材后經固定、梯度酒精脫水、包埋、連續切片后，應用免疫組織化學方法、透射電鏡及激光掃描共聚焦技術觀察了降鈣素基因相關肽（ cgrp ） 、五羥色胺（ 5 - ht ） 、黃體生成素（ lh ）陽性細胞的隨齡變化，並對實驗結果進行了計算機圖像分析和統計學處理。
  8. In this work, effects of sfamnpv on mitochondrial and er in sl - 1 cells were studied. the main results were as follows : effect of sfamnpv ( moi = 6 ) on the function of mitochondrial in sl - 1 cells was investigated by mtt assay and membrane potential was assayed by both flow cytometry and confocal laser scanning microscope

    完成的工作包括以下幾個方面： （ 1 ）細胞內線粒體的變化通過mtt法研究病毒感染對細胞線粒體功能的影響，同時用流式細胞儀和共聚焦激光顯微鏡研究線粒體膜電位（ m ）的變化， western檢測2種凋亡調控蛋白cytoc和bcl - 2蛋白的變化。
  9. Lacking of space locality in time domain, fourier analysis can only make certain of the integral singularity of a function or signal. as a result ; it is difficult to detect the spatial position and distribution of broken signal by fourier analysis. wavelet analysis has the characteristic of spatial locality, and its wideness in both windows of the time and the frequency can be adjusted, so it can analyze the details of a signal

    小波分析優于傅里葉之處在於，小波分析在時域和頻域同時具有良好的局部化性質，因為小波函數是緊支集，而三角正、餘弦的區間是無窮區間，所以小波變換可以對高頻成分採用逐漸精細的時域或空間域取代步長，從而可以聚焦到對象的任意細節。
  10. Sum - of - gradient - magnitude measure is chosen to adapt all images with different enlargement according to analysis of focusing measures ’ character. for 3d bond targets, it is explained that why focusing window should be placed accurately. efficiency of the whole system is ensured by analyzing shift of focal plane when enlargement ratio is changing

    為了保證快速採集到鍵合器件的清晰圖像，通過對調焦評價函數特徵的分析，選擇能夠適應各個放大倍數顯微圖像的梯度作為系統的自動調焦評價函數;針對三維器件說明了調焦窗口正確放置的原則和必要性;分析了變倍過程中聚焦平面位置的變化規律，提高了自動調焦的效率。
  11. To solve these problems, closely and comprehensive study of pc at sbs in focused beams was performed at phase conjugation to develop a new generation of lasers of higher brightness. main results are as follows : ( 1 ) the factors including parameter of focused beams and parameter of medium in effecting sbs threshold were analyzed in detail

    基於此，本論文完成了如下的工作： （ 1 ） 、分析了影響sbs閾值的因素，詳細討論sbs閾值隨聚焦系統參數、泵浦光束參數、介質的參數的變化關系。
  12. Aqueous fluid volume and [ c1 ~ j were assayed in samples withdrawn by micropipettes. intraocular pressure ( top ), pressure - dependent outflow, and anterior chamber compliance were determined from pressure measurements in response to pulsed and continuous fluid infusions into the anterior chamber using micropipettes. result : in wildtype mice ( gdi genetic background, age 4 - 6 weeks ), iop was 16. 0 ? 0. 4 mmhg, aqueous fluid volume was 7. 2 ? 0. 3 ul, aqueous fluid production was 3. 6 ? 0. 2 ul / hr, aqueous fluid outflow was 0. 36 ? 0. 06 ul / hr / mmhg, and anterior chamber compliance was 0. 036 ? 0. 006 ul / mmhg ( mean ? se, 8 - 10 eyes )

    實驗方法包括：將熒光物質用電離子滲透的方法穿透角膜導入活體小鼠的前房中，然後應用共聚焦顯微鏡根據熒光強度變化測量房水生成率；通過顯微注射針吸取房水檢測房水容積和氯離子濃度；顯微玻璃管刺入前房測量眼內壓，並將生理鹽水分別以連續和脈沖兩種方式注入前房，測量房水間隙的順應性和房水排出與眼內壓的相關性。
  13. Based on data of welding line top surface and electron gun track, calculation methods for parameters of welding equipment size, electron gun movement range, and change range of electron gun focusing deepness are studied. above results can provide design reference for three dimension surface of welding assembling jig and welding device structure

    通過讀取焊縫頂面模型數據，結合電子槍運動軌跡，研究了焊機設備真空筒的尺寸、電子槍的運動范圍、電子槍聚焦深度變化范圍等參數的計算方法，為焊裝夾具的三維曲面設計以及焊機的結構設計提供了設計依據。
  14. For single lens, the change of beam quality lead to the varity of dimension and positions of spot of focused nd : yag laser. a telescopic system can produce constant dimension and position of beam waist

    激光光束質量的變化導致了單透鏡的聚焦光束的束腰大小和束腰位置都發生變化，採用望遠鏡耦合系統可以得到大小和位置都不變的像方束腰。
  15. As a new type of time - frequency analysis media, it excels in its good localization character both in time domain and in frequency domain comparing with traditional fourier analysis. it changes its sampling steps to smaller and smaller so as to analyze high frequency part, focusing on any part of the object been analyzed. to some extent, wavelet analysis is called " math microscope "

    作為一種新型的時頻分析方法，它優于傳統fourier變換的優點是在時域和頻域同時具有良好的局部化性質，可對高頻成分採用逐步精細的時域采樣步長，聚焦到對象的任意細節，因此被譽為「數學顯微鏡」 。
  16. Based on the basic opinions of postmodern ideology and postmodern curriculum view, the author expatiated on the following changes of physical education reform conceptions in china under the context of postmodern curriculum : the purpose of physical education curriculum should be focused on comprehensive development of individuals ; the contents of physical education curriculum should embody diversified orientations ; for the implementation of physical education curriculum, we should pay attention to creativity and reconstruction ; in the evaluation of physical education curriculum, we should highlight diversities and differences ; physical education decision and management should head for right sharing

    摘要依據后現代主義思想和后現代課程觀的基本主張，闡述了在後現代課程語境下我國體育課程改革理念的轉變：體育課程的目的應聚焦在全人發展上，體育課程內容應體現多元化取向，體育課程實施應注重創造性和重建性，體育課程評價應彰顯多元與差異，體育課程決策和管理應走向權利分享。
  17. Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers

    其中，在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響；然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗，通過分析它們對振蕩激光腔模尺寸的影響，得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求，為高功率連續單頻nd ： yvo _ 4激光器的優化設計提供了理論依據。
  18. The author of this article thinks it significant to choose to investigate into the rural family aged supporting pattern in southern mountain areas of anhui province as a sample to get detailed revealment of china ' s current aged security in rural communities where people once lived closely around their clan. most southern part of anhui once belonged to huizhou, a historical area with tight clan domination and a strong tradition to support old family members. taking the mountain village zhaitan located in jixi, one southern county of anhui, as a specific research example, the author tries to give a detailed analysis and description of the changing process of the family support pattern accompanied by conflicts and current possible policies to choose in rural communities of similar traditional background

    並以具有相同社區文化傳統，同時可耕地少、勞動力轉移程度較高、村民較為富裕的績溪宅坦古村社區為具體剖析個案，在借鑒已有相關研究成果的基礎上，主要運用人類學、現象學社會學的日常生活分析法和政治學的焦點事件分析法，詳細揭示皖南山區農村家庭養老模式的變遷過程及這一過程中的矛盾、沖突以及現階段所面臨的新選擇，並在尊重社區傳統的基礎上，就整合與建構現階段皖南山區宗族聚居農村社區新型家庭養老模式，提出自己的見解和對策。
  19. Based on the nonlinear paraxial equation and b - t theory, a differential equation, which describes the small - scale self - focusing in gain ( loss ) media has been derived. the change rule of the maximal gain frequency, cutoff frequency and integral exponential gain have been analyzed approximately

    我們首先從非線性近軸波方程出發，基於b - t理論的思想，在考慮了介質的增益（損耗）特性的情況下，推導得出了小尺度自聚焦所滿足的微分方程，並通過近似方法分析了最大增長頻率、截止空間頻率及積分指數增益等的變化規律。
  20. 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 ）光束通過有限孔徑的傳播特性和聚焦性質，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。
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