觀測透鏡 的英文怎麼說

中文拼音 [guāntòujìng]
觀測透鏡 英文
observers eye
  • : 觀名詞1. (道教的廟宇) taoist temple2. (姓氏) a surname
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
  • : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
  • 觀測 : observe; observation; viewing
  • 透鏡 : [物理學] lens; optical lens
  1. Moa microlensing observations in astrophysics

    天文物理重力微
  2. Washington ( reuters ) - a new space telescope that looks at the cosmos with infrared detectors has lifted the dust veils from newborn stars and a bumptious comet, and revealed the detail in the spiral arms of a neighboring galaxy

    華盛頓(路社) - - -一種能通過紅外線宇宙的新型太空望遠已經揭開了覆蓋在一些新誕生的恆星和一顆( )彗星上的宇宙塵面紗,向我們顯示了一個鄰近銀河系的旋臂的詳細情況。
  3. The size of the particles disperses uniform as well as narrow ( obtained by reverse micelle method in the system of aot / iso - octane / water and trion x - 100 / caprylic alcohol / cyclohexane / water )

    通過射電子顯微到兩種體系合成出的粒子粒徑在5nm左右,且粒子呈單分散,粒徑分佈均勻。
  4. The emulsoid particle size and its distribution were determined by laser particle sizer. the composition changes of acr were inspected by ir, and the core - shell structure was observed by tem. the morphologyes of acr resin particles were inspected by polarization microscope at last

    通過激光粒度分析儀對所合成的乳膠粒徑及其分佈進行了分析試,藉助于ir考察了所合成的acr的組成變化,並通過射電對所合成的acr的核殼結構進行了驗證,最後藉助于偏光顯微察了破乳乾燥后得到的acr粒子。
  5. In experiment, the dsc technique was used to analyze the effect of electric fields on the precipitate kinetic of al - li alloy solutionized with electric fields. the energy spectrum, tem and sem techniques are employed to investigate the elements solution, precipitates, fracture character, conductivity and vickers hardness. also, the solidification of al - cu eutectic alloy was conducted with the influence of electric fields

    在實驗上,利用dsc熱分析技術,分析了電場作用對al - li合金相析出動力學的影響;採用能譜成份檢射電和掃描電等多種微手段,對鋁合金的析出相,斷裂特徵、合金電導率和維氏硬度等性能在電場作用下的變化進行了系統的研究,並察了al - cu共晶合金在電場作用下的凝固組織。
  6. The silt particles shape and its floccules configuration is observed by tem and sem

    利用射電、掃描電了泥沙的顆粒形狀、泥沙絮體形態。
  7. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微損傷機理,以及利用高速沖擊空氣炮定了改復合材料制備剃度復合板的穿性能。
  8. The composition of sample was identified by means of x - ray diffractometer ( xrd ). magnetic properties were measured by vibrating sample magnetometer ( vsm ). the combustion behavior and crystallization process of the gel were studied by means of differential thermal analysis - thermogravimetric analysis ( dta - tg )

    利用x射線衍射儀( xrd )確定樣品物相,振動樣品磁強計( vsm )進行磁性量,綜合熱分析儀研究凝膠的燃燒和析晶過程,掃描電子顯微( sem )和射電子顯微( tem )察粉末的形貌與粒度。
  9. Levels of fasting blood glucose and 24h urinary microcontent of albumin 24 h malb were determined dynamically ; the serum glycosyl hemoglobin hba1c was determined after the last medication ; the ultrastructural changes of kidney were observed by transmission electron microscope ; the expressions of collagen, fibronctin, laminin ln, and the ecm metabolism influencing factors, including mmp2, tissue inhibitor of metalloproteinase timp2, transfer growth factor 1 tgf 1 in renal tissue were detected by immunohistological chemistry and image collecting analytical system

    動態檢各組大鼠空腹血糖fbg 24h尿微量白蛋白24h malb ,末次給藥后定大鼠血漿糖化血紅蛋白hba1c射電察各組大鼠腎臟超微結構改變,應用免疫組化技術及圖像採集分析系統定各組大鼠腎臟組織中型膠原c纖維連接蛋白fn層粘連蛋白ln的表達,定影響ecm代謝的基質金屬蛋白酶2 mmp2基質金屬蛋白酶抑制劑2 timp2及轉化生長因子1 tgf 1的表達。
  10. 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,設計了自聚焦耦合小功率ld泵浦nd : yag激光器和組耦合高功率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,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,量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,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,激光位移傳感器的量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  11. Objectives which consist only of one lens can be used for visual and photographic observations.

    由單組成的物可作目視和照相用。
  12. If we were concerned about her, we would have insisted on staying with her, watched her through the glass window, or even carve a hole in the roof just to be able to see her

    如果真的擔心就一定會盡力爭取,過玻璃或甚至爬到屋頂上挖個洞,只要能看到師父確定師父安好才能放心!
  13. We also report the uv - visible optical absorption spectra of these colloids. to the metal plate prepared simultaneously, the measurement result of sem and afm of this plate is also reported and the roughness of the silver plate surface is about 60nm. both the colloids and the nano - scale metal surface can become the very perfect sers substrates. rhodamine b, a kind of strong fluorescence laser dye, with gold colloidal surface, has been studied by surface - enhanced raman spectroscopy ( sers ) with near - infrared ( nir ) excitation in the presence of the halide ions ( cf, br -, f )

    利用射電子顯微( tem ) ,對膠體粒子的尺寸大小及形態進行了,表明這些膠體為粒徑介於5 35nm的納米體系,並對該膠體體系進行了紫外?可見吸收光譜的研究;在制備出金屬膠體的同時,經過激光照射后的金屬表面為納米量級的粗糙表面,對該表面進行了掃描電( sem )及原子力顯微( afm )的量,結果顯示該表面的粗糙度平均為60nm 。
  14. The test results have showed that the w - cu powder produced by the homogeneous precipitation process has a near spherical shape, a particle size ranging from 50 to 200nm and a uniform distribution of w and cu gradients

    研究結果表明,均相沉澱法制備的w - 30wt . cu復合粉末顆粒明顯呈球狀, w 、 cu組分呈均勻、彌散分佈,射電顯示其粒徑范圍在50 - 200nm之間,為超細粉體。
  15. Radar observations using earth - based radio telescopes have pierced those clouds and suggest the presence of lakes composed of liquid hydrocarbons

    利用地球表面無線電波望遠所做的雷達,可穿這些霾霧,看見可能是由液態碳氫化合物組成的湖泊。
  16. However, this does not take into account visual comfort ; for comfortable viewing of the sun, a filter with a luminous transmittance of 0. 0003 % ( shade number 14 ) is often preferable

    然而,以上的計算並未考慮到時的舒適程度.在考慮舒適程度后,建議使用0 . 0003 %光率(相當於14號密度)的濾作太陽
  17. The coating structure is characterized by direct image of tem and indirect analysis of component

    包覆結構主要用射電直接和成分對比分析等間接手段表徵。
  18. ( 1 ) an optical technique is presented to quantify the creep crazing damage in stressed transparent glassy polymeric sheet of pmma. craze area density in this article is defined by ratio of crazing area and the overall area of the region selected. the specimens were loaded for a defined period of time under creep condition with room temperature, by optical microscope the evolvement of craze density varying with stress and time is obtained

    Pmma ( polymethylmethacrylate )是一類重要的高聚物材料,在應用上屬于用量大、使用范圍廣的一類通用材料,本文選用pmma為主要研究對象,主要研究成果如下: ( 1 )用顯微明玻璃態材料pmma蠕變條件下的銀紋損傷引發和演化進行了實驗,將銀紋所佔面積和所取圖象視場總面積的比值定義為銀紋密度,得到了銀紋密度隨時間和應力變化的演化方程。
  19. To confirm the approval of recombinant pcdnas - tgfjtf, gene and the results of its transfection, we used immuhistochemical staining ( sabc ). the department of or a logy 4 multiplication and differentiation of bmscs were observed by flow - cytometry ( tcm ), transilluminating electron microscope ( tem ) and other methods. the bmscs in controlled group was transfected with pcdna3 only

    採用電泳檢pcdna3 - tgf _ 1構建是否成功;通過tgf _ 1免疫組化染色檢轉染是否成功;運用形態學察、射電( tem ) 、流式細胞儀( fcm ) 、堿性磷酸酶( alp )染色、型膠原免疫組化染色等方法,察轉染后bmscs增殖與分化情況。
  20. The sizes and shapes of particles were examined by tem

    射電子顯微了粒子的大小及形貌,並探討了摘要其影響因素。
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