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检索条件："关键词=ionization "
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Degradation mechanism of enhancement-mode AlGaN/GaN HEMTs using fluorine ion implantation under the on-state gate overdrive stress被引量：1
《Chinese Physics B》2015年第1期444-448,共5页孙伟伟 郑雪峰 范爽 王冲 杜鸣 张凯 陈伟伟 曹艳荣 毛维 马晓华 张进成 郝跃 
Project supported by the National Natural Science Foundation of China(Grant Nos.61334002,61106106,and 61474091);the Opening Project of Science and Technology on Reliability Physics and Application Technology of Electronic Component Laboratory(Grant No.ZHD201206);the New Experiment Development Funds for Xidian University,China(Grant No.SY1213);the Scientific Research Foundation for the Returned Overseas Chinese Scholars
The degradation mechanism of enhancement-mode Al Ga N/Ga N high electron mobility transistors（HEMTs） fabricated by fluorine plasma ion implantation technology is one major concern of HEMT＇s reliability. It is obser...
关键词：E-mode HEMTs gate overdrive electron injection impact ionization 
Steering the energy sharing of electrons in nonsequential double ionization with orthogonally polarized two-color field
《Chinese Physics B》2024年第8期248-252,共5页樊光琦 杨志杰 孙烽豪 郑金梅 韩云天 黄明谦 刘情操 
Project supported by the National Natural Science Foundation of China (Grant Nos.12204132 and 12304376);Excellent Youth Science Foundation of Shandong Province (Overseas) (Grant No.2022HWYQ-073);the Fundamental Research Funds for the Central Universities (Grant No.HIT.OCEF.2022042);Natural Science Foundation of Shandong Province (Grant No.ZR2023QA075)。
Using the semiclassical ensemble model,the dependence of relative amplitude for the recollision dynamics in nonsequential double ionization(NSDI)of neon atom driven by the orthogonally polarized two-color field(OTC)la...
关键词：nonsequential double ionization correlated electron–electron momentum distribution energy sharing of electrons orthogonally polarized two-color field laser field semiclassical ensemble models 
空气中产生太赫兹波过程有关离化机制的理论模拟
《武汉科技大学学报》2011年第5期388-390,共3页戴厚梅 
武汉科技大学冶金工业过程系统科学湖北省重点实验室开放基金资助项目(Y201102)
在利用光电流模型模拟空气中太赫兹辐射的过程中,飞秒激光首先将大气离化,离化后的电子在外场下加速,产生一定量的太赫兹波。当飞秒激光的能量达到一定强度时,离化过程变得复杂,可发生多阶离化,并在产生离子数中扮演重要角色,尤其是二...
关键词：离化 大气等离子体 太赫兹 
Ultrahigh Harmonic Generation from an Atom with Superposition of Ground State and Highly Excited States被引量：4
《Chinese Physics Letters》2007年第6期1537-1540,共4页杨玉军 陈基根 池方萍 朱颀人 张红星 孙家钟 
Supported by the National Natural Science Foundation of China under Grant Nos 10474028 and 10604021.
We investigate the high-order harmonic generation from an atom prepared in a superposition of ground state and highly excited state. When the atom is irradiated by an ultrashort pulse, the cutoff position of the plate...
关键词：MULTIPHOTON IONIZATION LASER FIELDS PULSES 
HPLC and LC-MS analysis of sinomenine and its application in pharmacokinetic studies in rats被引量：8
《Acta Pharmacologica Sinica》2010年第11期1508-1514,共7页Li-hong LONG Peng-fei WU Xiang-Iong CHEN Zui ZHANG Yu CHEN Yi-yong LI You JIN Jian-guo CHEN Fang WANG 
Aim： To improve and validate analytical methods based on HPLC and liquid chromatography coupled to electrospray ionization tandem mass spectrometry （LC-ESI-MS/MS） for the quantitative measurement of sinomenine in r...
关键词：SINOMENINE LC-MS/MS electrospray ionization PHARMACOKINETICS 
Positron Impact Ionization of Hydrogen, Sodium, and Potassium
《Chinese Physics Letters》1997年第5期348-351,共4页ZHOU Ya-jun PAN Shou-pu 
The total ionization cross sections for positron scattering by hydrogen,sodium,and potassium are calculated by applying an equivalent-local optical potential model from the ionization threshold to 300eV.The total ioni...
关键词：POTASSIUM IONIZATION APPLYING 
可用于表征可电离化合物离子化影响的描述符研究进展被引量：1
《生态毒理学报》2021年第5期1-13,共13页杨先海 刘会会 王连军 
中国博士后科学基金资助项目(2020T130301,2020M671502);江苏省博士后科研资助计划项目(2020Z288)。
在人为有意生产的化学品或无意识产生的化学品中,可电离有机化合物(IOCs)均占有较大比重。在环境水体、生理或实验pH条件下,IOCs可解离为分子和离子形态。研究表明,IOCs的分子和离子形态均对其表观物理化学、环境归趋和行为、生态和健...
关键词：可电离有机化合物 离子化 离子形态 分子形态 分配参数 水生生物毒性 描述符 量化描述符 定量结构-活性/属性关系 
Evolution of ionization waves in a multi-pulsed plasma jet:the role of memory charges
《Plasma Science and Technology》2023年第3期95-103,共9页N Yu BABAEVA G V NAIDIS V F TARASENKO D A SOROKIN Cheng ZHANG Tao SHAO 
supported by the Ministry of Science and Higher Education of the Russian Federation(No.075-15-2021-1026 of November 15,2021);jointly by the National Key Research and Development Plan of China(No.2021YFE0114700)。
In this paper,we discuss the properties of ionization waves(IWs)in a multi-pulsed plasma jet while using the two-dimensional computational approach.The IWs are generated by application of three short negative pulses w...
关键词：helium plasma jet multiple pulses positive and negative ionization waves 
Enhanced ionization of vibrational hot carbon disulfide molecules in strong femtosecond laser fields
《Chinese Physics B》2018年第6期257-261,共5页Wan-Long Zuo Hang Lv Hong-Jing Liang Shi-Min Shan Ri Ma Bing Yan Hai-Feng Xu 
supported by the National Natural Science Foundation of China(Grant Nos.91750104,11704004,11704149,and 11474130);the Natural Science Foundation of Jilin Province,China(Grant No.20180101289JC)
By using a heated molecular beam in combination with a time-of-flight mass spectrometer, we experimentally study the ionization of vibrational-hot carbon disulfide（CS2） molecules irradiated by a linearly polarized 8...
关键词：strong field ionization vibrational excited time-of-flight-mass spectrum 
Gauge Problem in S-Matrix Theory of Above-Threshold Ionization
《Chinese Physics Letters》1995年第5期273-276,共4页CHEN Shigang 
Supported by the National Natural Science Foundation of China;Science Foundation of China Academy of Engineering Physics.
The gauge problem of Keldysh-Faisal-Reiss theories is discussed.It is found that the E-gauge used by Keldysh is more reasonable than the A-gauge used by Reiss.The Keldysh theory is then developed further.Its different...
关键词：GAUGE IONIZATION DIFFERENTIAL 
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