預電離 的英文怎麼說
中文拼音 [yùdiànlí]
預電離
英文
preionization-
In the chapter four, we studied some low - lying absorption spectroscopy and the resonant absorption probability of bohrium ( z = 107 ) by using mcdf method which included the correlation effects and relativistic effects systematically. we got some satisfied results of the ionization energy which make a good agreement with the results obtained by the semi - empirical method
論文第四章通過系統考慮電子相關效應和相對論效應,使用mcdf方法進一步預言了107號元素bh的幾個較低的激發態能級以及由基態到這些激發態的共振吸收率,得到的電離能和使用半經驗方法得到的電離能結果具有很好的一致性。A number of metal cirque electrodes surround equidistantly outside the glass discharge tube, acting as preionization electrodes
在玻璃放電管的外表面緊密套上若干圓環形電極,作為預電離電極。The results mentioned above are important for studying the characteristics of low latitude ionosphere and are significant to develop an ionospheric prediction model
上述新結果對于認識低緯電離層特性具有重要的科學意義,對于電離層預報模型的建立也有重要的應用價值。Study on li - series prepolymer by soft ionization ms
軟電離質譜法研究鋰系預聚物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離的預等離子體(聚焦和散焦)隧道中的傳輸特性。研究了相對論自聚焦效應和等離子體波引起的密度擾動對傳輸的影響。In order to improve the output quality of th e laser, we brought forward the concept of double pre - ionization, which is beneficial for the effective excitation of the laser media in the resonator
為了提高激光器輸出性能,我們提出了有利於腔內介質有效激發的雙預電離概念。Therefore, either reinforcing the pre - ionization or eliminating the harmful impurity is propitious to increasing the effective excitation of the laser media in the resonator so as to increase the output power
因此增強預電離和消除有害雜質均有利於提高腔內激光介質的有效激發進而提高激光器輸出功率。The present thesis is devoted to improving the excitation of the laser media ( gas mixture ) in the resonator of the high - average - power tea co2 laser by means of reinforcing the pre - ionization and eliminating the harmful impurity
本文正是從提高預電離及清除混合氣中的雜質這兩個方面研究改善高平均功率teaco _ 2激光器腔內介質(混合氣體)的激發性能的。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。Firstly, the paper discusses the characters, principles of excimer laser, and study on pulse discharge process. secondly, for the purpose of designing excimer laser, i spent a lot of time to researsh and finish electrode designing, reducing circuit inductance, spark gap designing, ns discharge, uv preionization, glow discharge
本論文首先對準分子激光特點,原理,脈沖放電進行了評述,其次,以試制xecl準分子激光器為目的,探索並完成了電極設計、迴路電感減小方法、火花開關設計、 ns陡前沿放電、紫外預電離、輝光放電、脈沖功率技術研究。The output spot - size of our non - flowing tea co2 laser is quite large, only slightly smaller than the section of the excited media, this agrees with the calculated spatial distributions of the initial electron density for pre - ionization well
由我們的非流動型teaco _ 2激光器獲得的輸出光斑相當大,僅比激活區截面略小,這與理論計算的預電離初始電子密度空間分佈規律有較好的一致性。This paper also presents a theoretical analyzing method for the instantaneous simulation of pulsed - preionization discharge by using pspice software, it is favorable to the optimal design of the laser discharge circuit
獲得的最大的電光轉換效率達19 。本文還發展了一種採用pspice軟體對脈沖預電離放電進行瞬態模擬的理論分析方法,有利於激光器放電電路的優化設計。Another is " helical transverse - pulsed preionization ". two comparatively parallel copper foil strips surround helically outside the glass discharge tube, acting as preionization electrodes
在玻璃放電管的外表面螺旋地粘上兩條相對平行的金屬箔,作為預電離電極。In contrast to pulsed discharge without preionization, the working voltage of the laser falls about 20 % and the electro - optical efficiency is improved approximately 30 %
和無預電離的脈沖放電相比,激光器的工作電壓下降了大約20 ,電光轉換效率提高了大約30 。In this dissertation the operation mechanism of pulsed - preionization diffusive cooling co _ 2, laser is studied. pulsed preionization technology is put forward to improve the stability of discharge, decrease the operating voltage, and enhance the electro - optical efficiency
本文研究了脈沖預電離的擴散冷卻co _ 2激光器的運轉機理,提出採用脈沖預電離技術改善縱向脈沖放電的穩定性、降低工作電壓和提高電光轉換效率。Non - selfsustained longitudinal discharge co2 laser employing helical transverse - pulsed preionization technology is investigated for the first time. the main discharge and output power are well controlled by the pre - ionization pulser
採用螺旋結構橫向脈沖預電離技術首次研究了非自持縱向放電co _ 2激光器,非自持激光器的主放電和輸出功率由外加的預電離脈沖控制,激光器的可控性非常好。Two novel preionization technologies are presented. one is " multi - segmented coaxial pulsed - preionization "
第一種技術稱為「縱向多段脈沖預電離「技術。It is show that, for the ultraviolet pre - ionization tea co2 laser, the absorption of two photos in the process of the photo - ionization plays an important role
研究表明,在紫外預電離teaco _ 2激光器中的光離化過程中雙光子吸收起著十分重要的作用。The theoretical calculations and the experiments suggest that, double pre - ionization has an obvious advantage for increasing the initial electron density between the main electrodes
理論計算與實驗表明,雙預電離在提高主電極間初始電子密度方面存在著明顯的優越性。Finally, based on the theoretical and experimental studies above, we bring forward two new schemes of pulsed - preionization slab co : laser with diffusive cooling
最後,在前述理論和實驗的基礎上,提出了兩種新型的脈沖預電離擴散冷卻板條co _ 2激光器方案,進行了可行性研究。分享友人