離子激發發光 的英文怎麼說
中文拼音 [lízijīfāfāguāng]
離子激發發光
英文
ionoluminescence- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 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...
- 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...
- 發 : 名詞(頭發) hair
- 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) ...
- 離子 : [物理學] ion
- 激發 : 1 (使奮發) arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
- 發光 : 1 (發出光來) give out light; shine; be luminous; brighten; fulgurate; flash; glow; sparkle; gli...
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Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment
實驗中發展了一些測量技術,例如用可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象,利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈,利用可見吸收紫外透射玻璃製成的衰減器測量有嚴重背景光的紫外光束分佈,可以作為實驗室的常規測量工具,並有一定的推廣價值。The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。( 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。Both ionization and excitation lead to electronic transitions that may be the emission of light.
電離和激發都將導致可能伴隨有光發射的電子躍遷。Secondly, the formula of the shock front of the spherical wave in the air is extended to the model of circumrotated ellipse and the process of the shock front of in the water in term of the transmitting characteristic of the laser plasma shock wave in the air
其次,從空氣中激光等離子體沖擊波波前的傳輸特性出發,將空氣中點源爆炸球面沖擊波波前衰減傳播公式推廣到非中心完全對稱情況,提出旋轉橢球面沖擊波前傳播公式;建立水中的激光等離子體沖擊波波前衰減傳播模型。The ps ii native fractions ( 20 % and 30 % ) were loaded onto a deae column. the fraction eluted with 150 mm nacl was presented dcip reduction activity and was highly depleted in chi c and xanthophylls, and as such could be considered a ps ii core complex
對于有dcip光還原活性的20和30層帶的復合物,進一步deae離子交換層析純化。 150mmnacl洗脫純化后的樣品經過熒光激發光譜測定發現,已經去除了葉綠素c和墨角藻黃素,並且仍然具有dcip的光活性,分析是ps核心復合物。Argon laser induced auto - fluorescence spectra of normal tissue, benign adenoma and cancer of thyroid were investigated in vitro
摘要用氬離子激光器作為激發光源,對甲狀腺正常組織、良性瘤及癌的離體組織標本進行了激光誘導組織自體熒光光譜分析。Observation of the on - off sequencing of characteristic spectral lines from tracer materials arranged in layers in, or surface patterns on, planar or spherical targets can provide a record of radial or lateral energy transport processes in laser - generated plasmas
測量激光聚變靶產生的軟x射線時間變化連續譜的形狀,可以知道許多x射線產生過程的詳細動態記錄,這有助於理解實驗的熱學條件。觀察軌跡特徵譜線的閉合序列,能提供關于激光等離子體激發能量和滯后能量的傳輸過程記錄。We have prepared a series of neodymium binary / ternary complexes, such as nd ( acac ) 3 ' 2h2o, nd ( tfa ) 3 ' 2h2o, nd ( hfa ) 3 ' 2h2o, nd ( dbm ) 3 ' h2o, nd ( acac ) 3phen, nd ( tfa ) 3phen, nd ( hfa ) 3phen, nd ( dbm ) 3phen, nd ( tta ) 3 ( tppo ) 2, nd ( hfa ) 3 ( tppo ) 2, nd ( acac ) 4hpy, nd ( tta ) 4hpy and ndq3. the effects of organic ligands, synergistic coordination agents and different substitution groups for - diketones on effective line width and photoluminescence intensity of neodymium complexes were investigated. the photoluminescence spectra indicate that synergistic coordination agents can shield neodymium ion and impede water molecules penetrating into inner coordination shell to satisfy large coordination number of nd3 + during hydrous synthesis process, so the luminescence intensity of neodymium ternary complexes is stronger than that of neodymium binary complexes
發光光譜研究表明,由於協同試劑的參與,屏蔽了水分子參與配位,降低了羥基( oh )對釹離子激發態能級~ 4f _ ( 3 2 )的猝滅,三元配合物的熒光強度均比二元配合物強,其中配合物nd ( tta ) _ 3 ( tppo ) _ 2在1340nm處的熒光強度最強,適合作為摻雜的光學活性物質,來制備有源光波導材料;在有水工藝條件下,單純地氟化配體未必能提高釹配合物的近紅外發光性能。The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing. the equation describing the evolution of the laser spot is derived. it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam
考慮多光子電離效應和光學kerr效應,首次利用力學類比的方法研究了超短脈沖激光在電離氣體中的傳輸,詳細分析了傳輸距離與激光初始光斑、初始發散角以及激光功率的關系,提出了實現長距離傳輸的條件。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、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦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。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。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。The x - ray spectra emitted from laser - produced plasmas contain plentiful information. it is a powerful tool to carry out plasma diagnosis and to study the formation and evolution of the plasmas as well. it plays a significant role in the field of inertial confinement fusion
慣性約束核聚變( icf )中,激光等離子體發射的x射線譜中包含著十分豐富的信息,是研究等離子體形成、發展並進行狀態診斷的有力工具之一,具有非常重要的意義。The main contents and important results of this paper are as following : strong blue cooperative up - conversion luminescence is observed in various host materials single doped yb3 + ions with naked eyes at room temperature under 980nm excitation. moreover there exist rich emission lines and peculiar ratio of luminescence intensity in all samples. intense green and blue up - converted luminescence is observed in yb3 + - ho3 + co - doped pbf2 - znf2 based materials with 930 nm diode light excitation at room temperature
其主要內容與得到的結論如下: ( 1 ) yb ~ ( 3 + )單摻雜不同基質材料組成的氟氧化物在980nm激光激發下發射出明亮的yb ~ ( 3 + )離子的合作上轉換藍色熒光,同時這些樣品具有極為豐富的熒光發射,有著特別的色比關系。So er doped phosphate glasses are good materials for making edwa, but the channel waveguides are not easy to be made
從離子交換平面波導的發光特性和穩定性上看,磷酸鹽玻璃是目前實現激光放大的良好材料,但是條型波導的制備還有難度。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
利用聚焦的強激光束入射固體靶表面產生激光等離子體,對等離子體中原子和離子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 ) 。The falling rate of t _ ( d - ) p curve closely related with e / p or the energy of laser pulse ( e _ ( laser ) tested. the threshold voltage did n ' t depend on the pressure apparently. the delay and jitter decreased exponentially as the e _ ( laser ) increased
C :建立了零維「 2光子激發一2光子電離」激光觸發火花隙數值模擬模型與考慮了levison修正的t . h . martin經驗公式相結合的激光觸發多級開關零維數值計算模型。分享友人