離子聚焦 的英文怎麼說

中文拼音 [zijiāo]
離子聚焦 英文
gas focusing
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : 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;...
  • 離子 : [物理學] ion
  • 聚焦 : [物理學] (使光或電子束等聚集於一點) focus; focusing; concentrate
  1. In most recent studies, researchers have analyzed aluminum - rich minerals such as anorthite and hibonite using an ion microprobe, which bombards a sample with a focused ion beam to release secondary ions from the sample ' s surface

    在最新的研究中,科學家使用微探針來分析鈣長石、黑鋁鈦鈣石等富含鋁的礦物,以束撞擊樣本,使樣本表面釋出次級
  2. Analysis of damage induced by fib irradiation in microprocess

    束在精細加工中引起損傷的分析
  3. In the mass spectrograph the ions are focused onto a photographic plate.

    在質譜儀中,離子聚焦在感光板上。
  4. We used ba2 + ions which are permeant to ca2 + channels with lommol / l and 40mmol / l in the pipette and bath solutions ( see methods )

    激活了ca 『 」通道,並通過保衛細胞質膜內向流人實現的。激光共顯微鏡技術研究了aba和h 。 o 。
  5. 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、中波長和第一準直器發散度的情況下樣品處的中注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距樣品遠近對強度損失和測量中的影響做了深入研究。
  6. Chapter 2 : characteristics of propagation of ultra - intense laser beam in a partially stripped preformed plasma channel is discussed, in which the relativistic self - focusing effects, together with the perturbed plasma density, is discussed

    第二章:本章闡述了超強激光光束在拋物型部分電的預等體(和散)隧道中的傳輸特性。研究了相對論自效應和等體波引起的密度擾動對傳輸的影響。
  7. From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing

    從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等體散、等體隧道和散以及相對論自等效應在內的激光場演化方程,即折射率方程和哈密頓-雅可比方程。
  8. Elemental analysis based on the emission from plasma generated by focusing a powerful laser beam on a solid sample surface is known as laser - induced breakdown spectroscopy ( libs ). when the power density of laser on the sample surface is high enough, the sample is vaporized, and the neutral and ionic species are formed in excited states

    利用的強激光束入射固體靶表面產生激光等體,對等體中原發射譜進行雜質元素分析,這一過程叫做激光誘導擊穿譜( laser - inducedbreakdownspectroscopy ) ,簡稱( libs ) 。
  9. According to the fringe shift of the interferograms, electron density and implosion velocity can be obtained. in the early period of plasma imploding , the averaged electron density is,

    在箍縮早期平均電密度為,運動速度為;附近,等體的平均電密度約為,運動速度,最小箍縮半徑0 . 49mm ;崩潰階段,等體的崩潰速度為。
  10. X - ray source with micro - beam produced with slow highly charged ions

    慢速高荷態重束微束斑x射線源
  11. So it is necessary to examine calcium activity and distribution in nerve cells. a way of visualizing intracellular ca2 + in three dimensional was established by using laser scanning confocal microscopy ( lscm ) and computer visualization technique in this paper. based on this way, which includes cell culturing and dyeing, confocal microscopy optimizing, confocal data preprocessing, 3d visualization of ca2 + by computer, we investigated the ca2 * distribution in cultured hippocampal neurons under different objectives

    本文通過激光掃描共顯微技術和計算機三維可視化技術建立了一套神經細胞內鈣分佈三維可視化的方法,包括細胞的培養和染色、顯微鏡參數的優化、共數據的預處理、針對鈣的三維可視化方法的實現,為胞內鈣作用機制的研究提供直觀的手段。
  12. The conditions for the long distance propagation are discussed in detail. the results are useful in determining the appropriate size of the channel to be preformed and can guide the future research in ultrashort intense laser propagation

    首次利用自恰電空腔效應分析了超短超強激光在低密度等體中的長距傳輸和自效應,詳細分析了長距傳輸的條件。
  13. To make pic ( particl - in - cell ) simulations. to set up models of guns and magnetic field and simulate them in the vacuum and plasma, respectively. we found that plasma held back part of space charge effects and improved trajectory of electrons. but beam would oscillate and became instable as accretion of plasma density. by simulating again and again, we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density. at last a four - stage depressed collector was simulated

    建立電槍和系統模擬模型,分別在真空和填充等體條件下進行模擬。發現填充等體能補償部分空間電荷效應,改善電束包絡軌跡,提高電的流通率,但是隨著等體密度的增大,束電會出現振蕩不穩定性,遺憾的是通過反復多次模擬發現本文所用粒模擬的代表性軟體magic無法用於模擬等體密度遠高於束電密度的情況。
  14. Investigation of ion depth profile in silicon implanted by focused ion beam

    束無掩膜注入單晶硅濃度濃度分佈的研究
  15. 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:將熒光物質用電滲透的方法穿透角膜導入活體小鼠的前房中,然後應用共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。
  16. Isoelectric focusing a technique used in electrophoresis to separate amphoteric molecules ( able to combine with either acids or bases )

    等電點:是一種利用電泳技術分兩性分(能與酸或堿結合)的技術。
  17. Ultrashort intense laser pulse propagation in low - density plasmas and air xiao yuan, doctor of philosophy, 2002 dissertation advised by : lu baida, professor of physics the study of ultrashort intense pulse laser beams in low - density plasmas and air is relevant to a wide range modern application

    超短超強脈沖激光在低密度等體和空氣中的非線性傳輸是當今強激光與物質相互作用研究的一個重要課題。本論文闡述了超短超強激光在低密度等體和空氣中的長距和自導引效應。
  18. A dfdl model including gain saturation effects is developed and this model is used to study the fluctuation of the pulse width theoretically, which is identical to the experiments. in order for ps pulse amplification, the saturation fluence for krf at 10 ps and gain of the discharge krf laser are monitored. 4

    開展了10pskrf激光在空氣中的傳輸實驗研究,計算了自導引區內的閾值光強,觀測到光束自和自導引現象,測量了自導引區域內的等體密度,並對激光脈沖的傳輸演化進行了分析。
  19. The effects of relativistic self - focusing ( rsf ) and preformed plasma channel guiding are analyzed

    對相對論性自效應和預等體通道導引進行了分析。
  20. The thesis analyzed the effects, associated with the propagation of laser in plasma channel, such as diffraction, plasma defocusing, the third - order intensity - dependent nonlinearity, the relativistic self - focusing, the focusing and defocusing of the plasma channel, and the absorbtion in the collision plasma and the finite pulse length effect

    文中用哈密頓-雅可比方程方法和源展開方法分別對激光在等體隧道中傳輸所涉及的衍射效應、等體散效應、三階強度非線性、相對論自、等體隧道的和散效應、碰撞等體中的吸收效應、有限脈寬效應等等做了基本的闡述。
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