laser ablation 中文意思是什麼

laser ablation 解釋
激光消融
  • laser : n 鐳射激光,受激發射光,激光;萊塞;激光器,光激射器 ( = light amplification by stimulated emis...
  • ablation : n. 1. 【醫學】部分切除(術);【醫學】脫落。2. 【地質學;地理學】消融,冰面融化;【化學】燒蝕。
  1. Study on numerical simulation of laser ablation

    連續激光燒蝕效應數值模擬方法研究
  2. Laser ablation and micromachining with femtosecond laser pulse

    飛秒脈沖的激光損傷及微加工
  3. Chapter 3 erected the relationship between refraction error and cornel ablation depth in theory. the paper proposed various mathematical models which can be used for proceed the simple myopia, simple hypermetropia, compund myopia astigmatism, compund hypermetropia astigmatism, simple myopia astigmatism, simple hypermetropia astigmatism, mixed astigmatism. the influence of the astigmatic axis and the degree of astigmatism on the correction field is discussed. wavefront aberration guided excimer laser cornea ablation is a main method of customised corneal ablation

    以數學的方法研究出了屈光性單純近視、屈光性單純遠視、復性近視散光、復性遠視散光、單純近視散光、單純遠視散光、混合性散光屈光矯正的物理模型;並揭示了不同軸位的轉換規律,對不同散光情況下的初始角膜兩個不同方向的曲率半徑和手術后最終的曲率半徑作了定量的研究。
  4. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理;首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系,計算單個激光脈沖角膜切削量;發現了角膜曲率對切削效果的影響,首次提出了角膜曲率半徑、切削位置與切削深度的關系;首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響,為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。
  5. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    ( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。
  6. While if pulse laser ablation is applied, the output of mixed target is obviously more than that of plumbago target. the carbon nanotubes prepared by nano - tungsten catalyzer are very straight without any bent and their diameters are under 10nm. it is worth to pay more attention and need to study further

    其中以鎢作為催化劑原料與石墨混合製成固體靶,蒸餾水作為流動相時,得到的納米纖維狀產物直徑不到10nm ,而且形狀筆直,值得關注,目前國內外尚無以鎢作為催化劑成功制備納米一維碳材料的報道,因此該研究具有嶄新而廣闊的研究前景。
  7. An investigation on the resonant laser ablation of fe in metal sample

    金屬樣品中鐵元素激光共振電離譜的實驗研究
  8. Relation between size - uniformity of si nanoparticles and oscillating stabilization time of the mixed region during laser ablation

    激光燒蝕過程中密度交疊區振蕩穩定時間與晶粒尺寸均勻性的關系
  9. In the experiment of one - mension material growth induced by metal, nanoparticles are obtained by laser ablation fe target

    在金屬誘導一維sic生長的實驗中,我們採用激光濺射鐵靶材來獲得納米鐵顆粒。
  10. Determination of micro - amount of niobium and tantalum in fused glass samples by argon fluoride 193 nm excimer laser ablation - inductively coupled plasma mass spectrometry

    準分子激光剝蝕等離子體質譜法測定熔融玻璃中微量鈮和鉭
  11. The laser technology in fabrication of nano - materials is summerized. the emphases are laser ablation principle and status quo in fabrication of nano - particle, nano - fibre, nano - thin film

    摘要本文綜述了納米材料的激光制備方法。其中重點介紹了激光消融法制備納米顆粒、納米纖維、納米薄膜的原理和現狀。
  12. In this thesis, we studied the emission spectra of laser ablation al and cu plasma. ( 1 ) the emission spectra and space - resolved - spectra of aluminum plasma were observed by pulsed q - switched yag laser

    ( 1 ) a1等離子體光譜:在380 500nm范圍內觀測到激光燒蝕a1產生的等離子體發射光譜及空間分佈特徵。
  13. The recent progress in the instrument, analytical technique of laser ablation inductively coupled plasma mass spectrometry ( la - icp - ms ) in metallurgical analysis has been reviewed

    摘要從儀器發展、分析技術應用研究等方面介紹了近年來激光燒蝕進樣電感耦合等離子體質譜法( la - icp - ms )在冶金分析領域的最新進展。
  14. In the third section, i. e. chapter five, the normal raman spectra of nil2, cul2, pdl2 powder are studied under the excitation of laser with the wavelength of 632. 8nm and aqueous silver colloid is prepared by pulsed laser ablation, from which the surface enhanced raman spectra of the three compounds are obtained. after preliminary assignment, the identical and different features of vibration of the compounds due to the different central metal atoms are analyzed

    第三部分,即論文的第五章,我們以632 . 8nln為激發波長研究了nilz 、 culz和pdl :三種新型金屬有機化合物粉末的正常拉曼光譜,並且以脈沖激光刻蝕法制備了水銀膠,以其為襯底研究了三種化合物溶液在其上的表面增強拉曼光譜,通過對其拉曼光譜進行了初步指認,了解由於中心原子的不同,三種金屬有機化合物分子振動的相同和區別。
  15. In this thesis the preparation of " chemically pure " metal colloids by nd : yag laser ablation of metal plate is introduced. the measurement result of tem of the nanoparticle systems obtained the experiment is reported that the size of these colloids were between 5 to 35nm

    2 、論文介紹了一種新的制備金屬膠體及納米量級粗糙金屬表面的方法:利用nd : yag激光器1064nm激發光照射金屬表面,通過改變光照時間,制備出「化學純凈」納米金屬膠體。
  16. However, the limitation of large - scale production and the high cost have restrained the development of the research on their application. comparing to arc discharge and laser ablation, chemical vapor deposition ( cvd ) is the most possible method with large - scale, low - cost and high - yield advantage to fabricate swnts

    相對電弧法與激光蒸發法,化學氣相沉積法( cvd )是最有望實現大批量、低成本、高產率制備swnts的方法,因此已成為其制備方法研究領域的熱點。
  17. Strategies for the preparation of zeolite molecular membranes, such as in - situ hydrothermal synthesis, secondary growth, microwave synthesis and pulsed laser ablation, are reviewed

    摘要介紹了合成沸石膜的常用方法,如:原位水熱合成法、二次生長法、微波法及脈沖激光燒蝕法,並對各種方法進行了比較,指出了其優缺點。
  18. Another approach to performing excimer laser surgery without cutting a corneal flap is the use of a diluted alcohol solution to weaken the attachment between the most superficial layer of the cornea - the epithelium, and the rest of the corneal tissue - to allow laser ablation

    另外還有一種無需切割角膜的準分子激光手術,稱為角膜上皮切割激光矯視手術( lasek ) ,方法是使用經過稀釋的酒精軟化角膜上層(即上皮)與角膜下層組織相連的部份,從而掀起瓣膜進行激光治療。
  19. Carbon nanotubes were separately synthesized by a new pulsed laser ablation ( pla ) for in - situ growth method and cvd support method in this paper. ft - ir, uv - vis, xfs, laman, tem, xrd, bet methods were used to characterize the sol, carbon nanotube and other products in the experiment. in the pla method, the sols containing carbon nanotubes were successively obtained by using 1064nm pulsed laser to ablate the interface of fe / c, or ni / c targets and ethanol under common temperature and pressure, and then carbon nanotubes were directly acquired by evaporating the ethanol

    脈沖激光轟擊原位生長法是在常溫常壓下使用1064nm波長的脈沖激光轟擊目標靶與乙醇流動相的固液界面來連續制備含有碳納米管的溶膠,進而除去乙醇相得到碳納米管,其中目標靶為石墨與fe 、 ni等金屬催化劑混合壓製成的靶片; cvd基體法是使用自製的六方介孔mcm - 41多孔材料為基體,負載fe催化劑活性組分,通過cvd法催化裂解c2h2來生長碳納米管。
  20. Laser - ablation technique is a powerful and available method, and has been widely used in many important fields, such as thin film preparation, nano - technique and element analysis. in the course of laser - ablation, the ejected species is normally called laser ablation plasma, and its processes of production and expansion are very complex

    脈沖激光燒蝕技術在材料處理、薄膜制備、納米技術、微量元素分析等領域的應用越來越廣泛,但激光-固體相互作用、等離子體的形成及膨脹等過程尚未完全清楚。
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