極光激發 的英文怎麼說

中文拼音 [jíguāngjīfā]
極光激發 英文
auroral excitation
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 發 : 名詞（頭發） hair
  • 極光 : [地球物理] aurora; aurora polaris ; [天文學] polar light
  • 激發 : 1 （使奮發） arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
  1. For millennia, human beings have looked to the polar sky in awe of a phenomenon that fuels folkloric imagination and religious beliefs, while at the same time defying scientific explanation : the aurora borealis

    千百年來人類對極地天空望而生畏，由此激發了大眾的想象力和宗教的信仰，卻又伴隨著對北極光科學解釋的藐視。
  2. Excitation radiation may do this by penetrating to the cathode and ejecting a photoelectron.

    激發輻射可能射到陰極，逐出一個光電子，從而引起這個。
  3. Retinal prostheses currently being developed, for example at the university of southern california, provide what is called phosphene vision ? recipients perceive the world as a grid of light spots, evoked by stimulating the ganglion cells with microelectrodes implanted inside the eye ? and require a wearable computer to process images captured by a video camera attached to the patient ' s glasses

    目前研發當中（如美國南加州大學）的人工視網膜，提供的是所謂的光點視覺：透過眼睛里的微電極刺激節細胞，以光點組成的陣列來呈現使用者眼前的世界，但是需要利用穿戴式電腦，先處理使用者眼鏡上攝影機拍攝到的影像。
  4. ( 2 ) on - line spectral response measurement is used to make a research on the activation process. the on - line measurement results have been analyzed and the influence excised by cs, o activation on the photoemission property of gaas wafers has been revealed. the properties of domestic and foreign nea phocathodes are compared, and the reasons causing the gap between domestic and foreign phocathodes are discussed

    （ 2 ）利用光譜響應在線測試技術研究nea光電陰極的激活工藝，通過對在線測試的光譜響應曲線進行分析、比較和計算，剖析了激活工藝給陰極光電發射性能帶來的影響，並從性能評估的角度，比較了國內外nea光電陰極的性能，分析了它們之間存在差距的原因。
  5. Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state

    文摘:研究了四能級系統中基於五階極化的拍頻效應，考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說，這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時，可得到消除多普勒增寬的精度
  6. We present here a case of a patient with glottic stenosis following endotracheal intubation, who experienced this potentially catastrophic combustion during endoscopic arytenoidectomy, using a diode laser under general anesthesia via 60 % fio2, with an airway fire occurring at the tracheostomy tube and causing tubal damage and obstruction

    我們報告一位因氣管插管所導致的真聲帶狹窄病例，在氧氣分率60 %的全身麻醉下，使用二極體激光從事內視鏡披裂軟骨切除手術時，發生氣切管著火。
  7. 1 bulb : - the xenon gas and mercury metal halide salts existing inside the light emitting tube causes the molybdenum electrodes on both sides to plasma discharge and create energy, which inturn produces light

    Hid系統部件hid system components 1 bulb : -光發射管內的氙氣和水銀金屬鹵化鹽激發雙方的鉬電極等離子放電並釋放能量，從而實現發光
  8. Under high air pressure, a critical problem for the normal discharge is whether enough pre - ionization can be achieved in the laser media or not. however, the cycling pumping oil steam emerging during the flow of the gas mixture and the vapor infiltrating from outside have a strong absorption of the infrared light or a role of counteracting the excitation

    在高氣壓條件下能否正常放電，關鍵問題是主電極間的激光介質能否獲得足夠的預電離；而混合氣流動過程中出現的循環泵油蒸汽，及從外界滲透的水蒸汽等都對紅外光有相當強的吸收作用或消激發作用。
  9. The main contents and important results of this paper are as following : strong blue cooperative up - conversion luminescence is observed in various host materials single doped yb3 + ions with naked eyes at room temperature under 980nm excitation. moreover there exist rich emission lines and peculiar ratio of luminescence intensity in all samples. intense green and blue up - converted luminescence is observed in yb3 + - ho3 + co - doped pbf2 - znf2 based materials with 930 nm diode light excitation at room temperature

    其主要內容與得到的結論如下： （ 1 ） yb ~ （ 3 + ）單摻雜不同基質材料組成的氟氧化物在980nm激光激發下發射出明亮的yb ~ （ 3 + ）離子的合作上轉換藍色熒光，同時這些樣品具有極為豐富的熒光發射，有著特別的色比關系。
  10. Furthermore, with the increase of the polarity of solvent, the excited energies is decreased and the tpa cross section is increased

    而且，隨著溶劑極性的增加，激發態的激發能減小，雙光子吸收截面增大。
  11. For instance, the phosphor on a crt screen needs to be constantly reactivated by an electron beam in order to remain illuminated

    例如，陰極射線管熒光屏上的磷光體為了保持它激發光狀態，需要用電子束不斷地再激勵。
  12. Important information is that the distance between metal electrode and emitting layer must be suitable. too large, difficult injection ; too small, excitons quenching. within 0 - 70ma / cm2 injection, no effect was observed

    實驗給出影響受激發射的重要信息：金屬電極距增益區距離要適當，太大，器件厚，電注入困難；太小發光激子在電極猝滅。
  13. It has a broader absorption band at 808 nm which is emitted by laser diode ( ld ). therefore, nd : cngg is suitable for ld pumping, the ld pumped all solid - state lasers can be made by using nd : cngg. in this study, nd : cngg single crystals of 25mm in diameter and above 80mm in length were successfully grown by the automatically pulling method from the melt

    摻釹鈣鈮鎵石榴石（簡稱nd : cngg ）是一種新型激光晶體，該晶體熔點低（ 1470 ） ，具有無序結構，在通用的808nm半導體激光二極體（ ld ）發射波長區有寬吸收帶，因此很適合ld泵浦，可做成ld泵浦全固態激光器。
  14. The working principle, characteristics and types of on - line tunable diode laser spectral analyzer are described. its development prospect is discussed

    摘要介紹了可調諧激光二極體激光光譜分析器的工作原理、性能特點和結構形式，說明了該儀器在在線過程分析中的優勢，對其發展遠景作了討論。
  15. In non - selfsustained discharge the excitation and ionization processes can be controlled separately, which is useful to optimize the e / p value of the discharge. the ballast resistance can be leaved out and the maximal electro - optical efficiency reaches 19 %

    非自持放電使激光器的激發和電離過程分開，有利於使二者分別處于各自的最佳e p值附近，放電的正阻抗特性使放電電路可以省去限流電阻，極大地提高激光器的實際效率。
  16. Diode - pumped solid - state laser ( dpl or dpssl ) is solid - state laser, used laser diode ( ld ) instead of flash lamp to pumping laser media. comparing with flash lamp, it has a lot of advantages, such as high efficiency, reduced size, compactness, stabilize and longer lifetime

    激光二極體泵浦的固體激光器（ dpl或dpssl ）是用激光二極體（ dpl ）代替閃光燈泵浦激光晶體的固體激光器，與燈泵浦相比，具有效率高、體積小、結構緊湊、性能穩定、壽命長等優點，已成為當今固體激光器發展的主要方向。
  17. Mgf plays the role of segregation. the third method is to enhance the oel by means of making complex with n - vi compounds. el - vi compounds are very stable and possessing higher electron mobility than organic materials

    但電子不是在真空中，而是在固體中加速的，我們稱它為固態陰極射線發光或類陰極射線發光，它的激發態是成對的電子及空穴。
  18. It can be used to fabricate display devices, high frequency filters, emitting diode, lasers and high - speed optical switch. therefore, it has great uses in both civil and military fields

    它可用與製作發光顯示器件、高頻濾波器、發光二極體、激光器、高速光開關等器件，在民用及軍事領域都有著重要的用途。
  19. In addition, the breakdown and the degeneration of pcss " s are serious problems in the applications. in this dissertation the mode of luminous charge domain is perfected ulteriorly by deeply studying the dynamics characteristic of high - field domain of the trans - electron device with experiment stability of nonlinear pcss

    本文在通過對轉移電子器件偶極疇的動力學特徵作了深入分析的基礎上，結合非線性pcss ' s的穩定性實驗，對非線性pcss ' s的光激發電荷疇理論模型作了進一步的完善。
  20. The increase of radiative transition rate with decreasing particle size was attributed to the lower symmetry surrounding the eu3 + ions, while the increase of nonradiative transition rate to the extra nonradiative transition channels caused by surface defects. ( 3 ) under excitation of 488 nm, temperature - dependence of emission intensity of the 5d4 - 7fj transition in nanocrystalline y2o3 : tb was studied. in nanocrystalline, there appeared two maximal intensities

    （ 3 ）研究了488nm激光激發下不同顆粒尺寸的y _ 2o _ 3 ： tb納米晶熒光發射強度隨溫度的變化規律，發現y _ 2o _ 3 ： tb納米晶熒光發射強度在280k與590k存在兩個極大值，而體材料只在280k有一個極大值。
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