激光放電 的英文怎麼說
中文拼音 [jīguāngfàngdiàn]
激光放電
英文
laser discharge- 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...
- 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) ...
- 放 : releaseset freelet go
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
- 放電 : [物理學] (electric) discharge; electro-discharge; discharging
-
In recent years, the longitudinal pulsed - discharge gas lasers with diffusive cooling have received renewed interests. a compact low power pulsed laser with high repetition rate has potential importance in laser exploration, fine mechanical processing, photochemistry and so on
近年來,縱向放電的脈沖氣體激光器重新受到了人們的重視,一種小型的低功率的高重復頻率脈沖激光器在激光探測、精細加工和光化學等許多應用領域,有重要的應用前景。The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite
採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法,對國內外多種典型石墨樣品的結構與性能進行比較,研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響,確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。Since 1980s he has been studying the mechanism of normalization of abnormal blood pressure and the resetting of baroreceptor reflex by acupuncture and somatic nerve stimulation, effects of brain osmoreceptor stimulation on sympathetic nerve discharge and renal activity, the role of vasopressin in body fluid and salt homeostasis, difference in gene expression between hypertensive and normotensive rats, hypertension and cardiac ischemia - induced myocardial remodeling, effect of steroids on the nervous system, etc. with his research achievements, dr. yao was awarded science and technology progress prize sponsored by the state education commission grade a award in 1986, grade b award in 1995 and by the ministry of health grade b award in 1989 and 1993, grade a award of guang - hua science and technology prize 1995, and chinese universities science and technology prize grade b award in 2000
近二十年來,他主要從事針刺和刺激軀體神經對心血管和腎臟活動的調整作用刺激腦內滲透壓感受器引起的交感神經放電和腎臟活動的改變血管升壓素在心血管活動調節和水鹽平衡中的作用原發性高血壓的相關基因高血壓和心肌梗死引起的心肌重構甾體激素對神經系統的影響等。他的科研成果曾獲得國家教委科技進步獎一等獎一項1986年二等獎一項1995年衛生部醫藥衛生科技進步獎二等獎二項1989 1993年光華科技基金獎一等獎一項1995年中國高校科學技術獎二等獎一項2000年。The company ' s main business : sheet metal equipment research and manufacturing ; automative system integration ; professional trading laser cutting equipment, 、 maintenance 、 accessories ; maintenance of the world ' s brand servo amplifier inverter 、 plc ; smt 、 generate electricity 、 manufacture industry pcb ; at home and abroad of cnc machine tools, upgrades, accessories , electrical and mechanical design
本公司主要經營:板金設備開發製造;自動化系統集成;專業激光切割設備買賣、維修、配件;維修世界各品牌伺服放大器、變頻器、 plc ;各類數控印刷、 smt 、發電、製造行業電路板;國內外數控機床改造、升級、配件、機電設計等。In the experimental system apd transferred laser pulse to weak electrical current. after two - level amplification we got a voltage pulse that had a enough amplitude to be applied, the timing point was discriminated by the constant - fraction timing discriminator circuit. timing circuits transferred the pulse flight time to digital signal accurately
實驗系統採用apd作為光電傳感器,將激光脈沖信號轉變為微弱電流脈沖,經過兩級放大后,信號變為幅度較大的電壓脈沖,經過時點鑒別電路分別確定計時起點和終點后,由計時電路來精確測量兩個時間點之間的時間間隔。Whether the seeding absence alarm device works well or not is mainly decided by anti - dust condition of seeding absence monitoring sensor. it had been analyzed the factors affecting the anti - dust performance of optoelectronic sensor. double - way laser reverse direction sensor has been made ( anti - dust index access to 0. 95, while the index of the led only reach 0. 5 around )
本研究從器件、結構、放大電路等多方面分析了影響光電傳感器抗塵性能的因素,製作了雙路激光逆向直射傳感器(根據本文提出的量化方案抗塵指數可達0 . 95 ,一般led光電傳感器為0 . 5左右) 。The fact that most of these topologies need laser - trimming technique to improve the match precision to reach high cmrr is found after investigating several instrumentation amplifier topologies. in this paper, a new style instrumentation amplifier topology with current processing mode based on ccii and impedance amplifier is designed and realized
由於本論文所使用的國內工藝線沒有激光調阻技術,因此本文選擇了一種近年來新出現的一種新型儀表放大器電路結構,即使用第二代電流傳輸器( ccii )和跨阻放大器組成的電流模儀表放大器。The simulation result shows that, the cmrr of current - mode instrumentation amplifier be able to reach 97db, and the psrr to 85db
儀表放大器的模擬結果表明,在沒有激光調阻技術支持下,本文設計的電流模儀表放大器的共模抑制比能夠達到97db ,電源抑制比能夠達到85db 。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But the life time of krf laser medium is only 2 ns while the pump time of e - beam pump krf laser is over 100 ns. when a 1 ps ultrashort pulse amplified by krf laser amplifier most pump energy is waste. technology of multi pulse amplify can solve this problem
Krf激光器的工作介質是非儲能介質,上能態有效壽命約為2 - 3ns ,而電子束的泵浦時間一般為上百ns ,放大超短脈沖激光時絕大部分上能態的儲能沒有被利用。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。On describing a genetic algorithm ( ga ), we present a method for applying ga to optimize the lasers. a programming is presented for obtaining the maximum laser power. by using the method we optimize the cvl and the co2 laser, including lc circuit parameters of the cvl, the cvl system, the lasing resonator and the gas components mixtured in the co2 laser tube
在這個部分中,首先簡述了遺傳演算法,討論了應用遺傳演算法來優化激光器的思想和方法,給出了優化大功率激光器的計算機程序設計;然後,對銅蒸汽激光器lc放電電路、大口徑激光器和激光器系統分別進行了優化;對二氧化碳激光器諧振腔和氣壓參量分別進行了優化,介紹了優化二氧化碳激光器諧振腔的實驗以及實驗所獲得的結果The thesis analyses the problems on the noise of apd photoelectric receiving system. author designs apd laser signal receiving system circuits, front amplify circuit, controlling time - series logic circuits, dc / dc transform circuits. and takes apd bias voltage fuzzy control
分析了apd光電接收系統的噪聲問題,並對apd激光信號接收系統電路、前置放大電路、控制時序邏輯電路、 dc / dc變換電路進行了設計,採取了apd偏壓模糊控制。A high - pressure mercury lamp in which the light is produced partly by the mercury vapor and partly by a layer of fluorescent material on the inner surface of the outer bulb excited by the ultraviolet radiation of the discharge - for example : hpl - n, hplr - n lamps
一種高壓汞燈,其中一部分光由汞蒸氣輻出,另一部分由放電輻出的紫外線激發后的熒光材料塗層發射得到,該熒光材料塗層位於外泡殼的內表面。On the basis of practically achieved low - frequency laser - vibration measuring - system, this thesis analyses the principle of laser - vibration measuring - system, the optical factors which have effect on contrast degree of interference fringe, the optical - electric transformation factors which have effect on measuring accuracy, the important of filter for improving the accuracy in the absolute calibration and the outward vibration which has effect on system accuracy, etc. in chapter one, the background of laser measuring vibration, and then followed by its current status, is introduced and analyzed
本論文根據實際研製的激光測振儀系統,從提高激光測振儀精度的角度出發介紹了激光測振儀的原理,並詳細地剖析了光路對測振儀干涉條紋對比度的影響、光電轉換對測量精度的影響、光電信號的濾波放大以及外界振動對測振儀系統的影響等技術問題。We built a table - top ultrashort laser system which based on ti : sapphire front - end and discharge pumped krf amplifier. with double pass off - axis amplification module, the imj uv pulse was amplified to 50mj
建立了桌面krf超短脈沖激光系統,採用放電泵浦krf準分子激光放大器進行超短脈沖激光的直接放大。Analysis of gas temperature radial distribution in neh2cubr laser discharge tube with diaphragms
隔環結構的neh2cubr激光放電管氣體溫度徑向分佈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。Presently, the laser pulse from the high power ultrashort laser system is several femtoseconds in duration, tw ( or pw ) level in peak power, 1020 w / cm2 ( or 1021 w / cm2 ) in focusing power density, according electric field is much stronger than coulomb field in atoms
目前,高功率超短脈沖激光放大系統輸出的激光,脈寬達到幾個飛秒,峰值功率達到太瓦甚至拍瓦量級,聚焦功率密度達10 ~ 20w cm ~ 2 ,甚至1021w cm2 ,相應的電場比原子內庫侖場強得多。The normal glow discharge between the main electrodes and the rapid flow of the unpolluted gas mixtures are necessary conditions for the output of high average power for tea co2 laser
主電極間正常的輝光放電以及使混合氣快速流動且不被污染是重復頻率teaco _ 2激光器實現高平均功率輸出的重要條件。分享友人