emission spectra 中文意思是什麼

Absorption, fluorescence emission and excitation spectra of five pigment - protein complexes were determined. photosynthetic electron transfer was measured from the dcip photoreduction. p700 concentration was assayed from the ferricyanide - oxdised minus ascorbate - reduced difference spectrum

測定裙帶菜各色素蛋白復合物的吸收光譜、熒光發射光譜和熒光激發光譜，並進行了dcip的光還原測定和化學法的氧化還原差示光譜測定。

The infrared carbon stars, whose infrared spectra are mainly due to the dust emission in the circumstellar envelope, are usually believed to be surrounded by the carbon rich envelope characterized by the sic emission feature at 11. 3um

紅外碳星常被認為有很厚的富碳拱星殼層，它的紅外光譜主要表現為源於拱星殼層的塵埃發射，這個塵埃發射主要以11 . 3 m的sic發射為標記。

Visual carbon stars whose mid - infrared spectra are mainly dominated by photospheric continuum and show large excesses at 60um, represent a transition phase which follows an interruption of mass loss from the oxygen - rich phase and begins a new phase of the mass loss of carbon - rich material. excesses at 60um in these stars are the emission from the residual of oxygen - rich material

光學碳星的中紅外能量主要來自光球，在60 m處存在超量發射，人們認為其演化階段處在拋射富氧物質終止和新的富碳拱星殼層形成之間，其60 m超量發射就是富氧物質的殘余效應。

Fig 3 excitation and emission spectra of indoles and its derivative in dmso

圖3吲哚及其衍生物的dmso溶液的激發和發射光譜。

From the emission spectra of coumarin 102 ( c102 ) in different conditions, it showed that c102 molecule existed single in both the composite material films. the sample catalyzed by acid had flat surface and dense structure but it had hackly surface and open structure catalyzed by the alkali

香豆素102 （ ci02 ）在不同狀1態下的熒光分析表明，無論是堿還是酸催化所得薄膜復合材料， ci02分子在其中基本都以單體的形式存在。

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。

Tolerance to and effects of the freezing stress in a desiccation - tolerant, terrestrial cyanobacterium, nostoc commune, and in a desiccation - sensitive species, synechocystis sp. pcc6803, were studied by measuring their photosynthetic activities and fluorescence emission spectra

通過檢測光合成活性和熒光發射光譜等研究冰結脅迫對藍藻地衣（ nostoccommune ）和單細胞集胞藻（ synechocystissp . pcc6803 ）的影響。

We form a ly a line sample from spectra of 19 qsos in the literature. in this analysis, we demonstrate that a proximity effect is present in the data ; i. e., there exists a significant deficit of lines at zabs = zem, within 4h - 1 mpc of the qso emission redshift. and the deficit depends on the rest equivalent width of the lines, with weak lines showing a relatively weaker effect

我們發現所選樣本中確實存在接近效應，特別在z _ （ abs ） z _ （ em ）附近距類星體4h ~ （ - 1 ） mpc范圍內， ly森林的線數相對演化規律估計得到的線數缺少很顯著，並且與譜線的靜止等值寬度有關，弱線的接近效應較弱。

The colors seen in fireworks are also due to atomic emission spectra of various elements

煙火中的顏色也是由不同元素的原子發射光譜形成的。

When x is above 1. 3 %, the emission spectra are strongly broadened and do not show any well - defined features, and their peak positions shift to lower energies correspondingly with increasing x. the large band - gap bowing of gap1 - xnx alloy is induced by the impurity band formation due to the intercenter interaction

對中心發光的nn3束縛激子的零聲子線及其聲子伴線，並得到了nn3的所有聲子伴線（ l0 、 la 、 ta ）的s因子在約20k卜50k范圍內與溫度的關系。

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。

Xrd patterns, excitation spectra, emission spectra, photo - stimulated emission spectra, photo - stimulated emission decay curves and thermo - luminescence spectra have been measured on the samples

對樣品進行了x射線衍射分析（ xrd ） 、激發光譜、發射光譜、光激勵發光光譜、光激勵發光衰減和熱釋光譜測定。

The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。

Octadecanoic acid ( oa ) / octadecylamine ( oam ) mixed monolayer were absorbed by hsa from the observation of surface pressure - molecule area ( n - a ) isotherms, differentiated curves of 0a / 0am monolayers and uv - vis, ft - ir spectra and fluorescence emission spectra of 0a / 0am lb film. the property change of 0a / 0am monolayer led to the change of crystal growth induced by the monolayer. when the concentration of hsa in subphases containing cac2o4 supersaturated solution rises from 0. 00 % ( wt % ) to 0. 10 %, cot, cod and com form beneath oa / oam monoalyer, respectively

通過比較含不同濃度人血清蛋白（ hsa ）的草酸鈣過飽和溶液亞相上十八酸十八胺（ oa oam ）混和單分子膜的壓力?單分子面積（ - a ）等溫線，微分曲線及oa oam混和lb膜的uv - vis光譜、 ft - ir光譜以及熒光發射光譜，可以看出， hsa吸附於oa oam膜上，使oa oam膜的性質改變，並且影響到oa oam單分子膜對草酸鈣晶體生長的誘導作用。

Preliminary observation on ultraviolet emission spectra in non - equilibrium 2 - d hypersonic blunt body shock layer flow

二維高超聲速鈍體激波層紫外輻射的實驗觀察

The absorption - emission spectra of four compounds and their luminescent spectra were determined, and the influences of different solvents on fluorescence performance were also studied

測試了4種化合物的吸收光譜和發射光譜，研究了不同溶劑對熒光性能的影響。

3. the pl results of si - sio2 films show that emission spectra of samples have 4 luminescent band peak at 320nm, 410nm, 560nm, and630nm, respectively, at room temperature, ta, the excitation wavelength, argon pressure et al

三根據pl譜，分析了si一510 :薄膜樣品的室溫光致發光現象，樣品有一320 ，翻，一410nm ，一56onm和一630nm四個pl峰，它們的pl峰是相互分離的。

The author has calculated the spontaneous radiate probabilities, the linear oscillator strengths, branching ratio of tm3 + iones by judd - oflet theory. according to the j - o calculated data, the transition 1g4 ? 3h6 was stronger than the transition 1g4 ? 3h4. it was agreement with the emission spectra

3 ）對tbzre玻璃，用j ? o理論計算了各光譜參數，從1g4能級的躍遷分支比從理論上得出480nm波長的光相對650nm波長的光強，這與發射光譜圖是相符合的。

Furthermore, the plasma optical emission spectra ( oes ) of the ionization of the working gases were analyzed in situ using a pr - 650 spectroscope

此外，本文使用pr ? 650光譜光度計，對p室的等離子體輝光光譜（ oes ）進行了在線監測。