electron concentration 中文意思是什麼

electron concentration 解釋
電子集合
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子(學)說。
  • concentration : n. 1. 集中。2. 【化學】提濃,蒸濃,濃縮;濃度;稠密度;【礦物】汰選,選礦,富化。3. 集中注意,專心。
  1. 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。
  2. The results indicate that in niobate glasses, as the concentration of nb2o5 increases, the covalence becomes strong, the symmetry becomes low and the electron - phonon coupling becomes strong, thus the lifetimes become short, the nonradiative transition processes and the temperature - quenching become strong and the value of crystal field parameter b20 becomes small

    ( 6 )研究了妮硅與妮磷系列玻璃發光特性與組份的關系,發現隨著nbzos濃度的增加, eu一o鍵共價性增強,局域環境對稱性降低,電一聲子禍合增強從而導致sd 。
  3. The interaction between artemisinin and hemin was investigated by electrochemical methods. artemisinin was irreversibly reduced at - 1. 08v via a two - electron transfer at the glassy carbon electrode. in the presence of concentration of hemin as low as 4. 010

    青蒿素在玻璃碳電極上于- 1 . 08v處能發生一個2電子轉移的不可逆還原。即使在低至4 . 010
  4. The oxide and reduce potential and the dopant concentration. the experiments of degradation methyl blue a1so showed that the photocatalytic activity could be greatly improved with vzos - loaded tio2, maybe that loading v2o5 would accelerate the electron captured and charge transferring, change the samp1e surface hydrophilic and absorption

    納米tio _ 2 - v _ 2o _ 5復合光催化劑對次甲基藍的降解實驗表明,復合v _ 2o _ 5后tio _ 2可以加速電子捕獲和電荷遷移速率,改變了樣品表面吸附親合力,使降解效率相比純tio _ 2有很大提高。
  5. Unpaired - electron concentration

    弧單電子濃度
  6. Fos + / th + / gfap + and fos + / vp + / gfap + triple labeled n - asc could be found in the mvz, pvn and son respectively ; ( 2 ) under electronic microscope, the astrocytic processes connected closely with the dendrites or axons of the neurons, where the bilateral membranes became thick. we call transiently it electron - dense areas ( edas ). the number of edas increased remarkably following hyperosmotic stimulation ; ( 3 ) when trace retrogradely, wga - hrp was microinjected into the unilateral son, pvn or nucleus of solitary tract ( nts ) respectively using the stereotaxic method, the n - ascs formed by the neurons triple - labeled with hrp / fos / th ( or vp ) and astrocytes labeled with gfap could be found in the mvz, son and pvn respectively ; ( 4 ) after being treated with heperosmotic nacl solution, intracellular calcium concentration in cultured hypothamic neurons and astrocytes increased and then decreased

    腦內gfap陽性結構也明顯增多,其分佈與fos陽性細胞分佈基本一致,表現為胞體肥大、突起粗長; ast緊密包繞在神經元周圍形成神經元- ast復合體( n - asc ) ;在mvz 、 pvn和son三重免疫組化染色切片上可見到fos + th + gfap +第四軍醫大學博士學位論文和fos vp gfap三重標記asc ; ( 2 )免疫電鏡下son內星型膠質細胞突起與神經元樹突或軸突之間接觸部位出現增厚的膜結構一電于緻密區( edas ) ,高滲刺激后數量明顯增多: ( 3 )將們個mp注入大鼠一側n卜、卜卜或孤束核( ws ) ,分別在延髓內臟帶( mvz ) 、 so和pvn內出現fos hrp th 、 fos hrp八p三重標記神經元和gfap陽性標記ast形成的n asc ; ( 4 )高滲刺激使培養神經元和ast內鈣水平先升高后降低,最後維持在比高滲刺激前稍高的靜息鈣水平上。
  7. Pulmonary fibrosis was induced in the model group by intranasal instillation of bleomycin 5 mg kg. hxd were given via gastrogavage to the hxd prevention group and treatment group respectively at 48 h before and 14 days after they were modeled with the same method, and the groups of ligustrazin and prednisone, treatment and prevention, were managed the same as for hxd groups, but with ligustazin and prednisone instead of hxd respectively. bronchoalveolar lavage fluid balf and lung tissue of animals were gathered on day 28 cellular ultrastructural changes of lung was examined under electron microscope by he, masson stain ; content of hydroxyproline in lung tissue was assessed by acidolysis method ; and concentration of transforming growth factor 1 tgf 1 in balf was assessed by elisa

    方法68周雄性icr小鼠分8組,模型組bm組經鼻滴入博萊黴素blm 5 mg kg建立肺間質纖維化模型,化纖湯預防治療組pht組于滴入blm前48 h予化纖湯灌胃,化纖湯治療組ht組于滴入blm后第14天用化纖湯灌胃,同時設立丹參預防治療組pdst組及丹參治療組dst組,地塞米松預防治療組pdt組及地塞米松治療組dt組,並與正常小鼠nc組進行對照。
  8. The reason to cause this phenomenon is due to the change of electric field in the blue oled to induce the probality of the carrier shifted and the hole - electron recombination zone changed, which was a possible alternative to achieve color display. 3 ) device with the structure of ito / npb / adn : balq3 / alq3 / mg : ag was fabricated. when the balq3 dopant concentration was about 25 mol %, a high performance devcie with luminous efficiency of 1. 0 lm / w, the peak of emission spectrum at 440 nm, the cie coordinate at ( 0. 18, 0. 15 ), and half lifetime of unencapsulated device about 950 hrs was achieved

    導致本現象的原因是由於各有機層電場強度的變化影響了空穴和電子的隧穿幾率,從而導致載流子的復合區域發生改變而發出不同顏色的光; 3 )制備了結構為ito / npb / adn : balq3 / alq3 / mg : ag的藍光oled ,空穴阻擋材料balq3的摻入顯著影響了oled的光電性能,當balq3的摻雜濃度為25mol %時, oled的發光效率為1 . 0lm / w ,發光光譜的峰值為440nm ,色純度為( 0 . 18 , 0 . 15 ) ,未封裝器件的半衰期達到了950小時; 4 )在藍光材料adn中摻雜npb 、 balq3和tbp三種材料時,不僅改善了器件的發光亮度和色純度,而且提高了器件的發光效率和壽命。
  9. As shallow electron traps ( sets ) dopants, the action of k4fe ( cn ) 6 that can increase photoelectron lifetime and photographic efficiency is analyzed. optimization concentration of k4fe ( cn ) 6 in cubic agcl emulsion is affirmed

    分析了k _ 4fe ( cn ) _ 6摻雜物作為一種淺電子陷阱摻雜劑對于提高光電子壽命、改善感光性能的作用機理。
  10. A series of experiments were conducted on the salivary gland of female haemaphysalis longicornis neumann, including salivary gland structure, protein concentration and components, na k - atpase activity, as well as their variation during different developmental stages, especially the effects of juvenile hormone analogue farnesol on the structure and secretion of salivary glands, by scanning electron microscope ( sem ), bradford method, sds - page, enzyme microanalysis, topical application etc. the present research will provide foundation for deeply investigations on the important organs in the future

    本文以廣泛分佈於我國的長角血蜱haemaphysalislongicornisneumann為研究對象,利用電鏡技術、 bradford法、 sds ? page和na ~ - 、 k ~ - - atpase活性微量檢測法等現代生物學技術對其唾液腺結構、蛋白含量和成分、 na ~ - 、 k ~ - ? atpase活性及其動態變化,特別是保幼激素類似物法尼醇對唾液腺結構與分泌活性的影響進行了較系統地研究,為深入開展蜱類唾液腺研究提供依據。
  11. The enhanced photoconductive effect from small amount of tnf facilitates the preparations of new organic photoconductive devices under the drive of low fields. in the fourth chapter, inclpc nanoparticles embedded in poly ( n - vinylcarbzaole ) ( pvk ) were prepared successfully by dissolving inclpc in aprotic organic solvent / lewis acid with great concentration for the formation of electron donor - acceptor complexes, i. e., the method of complexation - mediated solubilization. the fabricated inclpc nanoparticles were characterized by means of uv / vis absorption, x - ray diffraction pattern, and tem

    論文的最後一章中,我們合成了具有較好的電子傳輸性能的化合物』一二苯基四竣酸花酚亞胺( ddp ) ;研究了其溶解性、熱穩定性、晶體結構、紅外光譜、紫外吸收光譜和蒸鍍薄膜的屬性,並用量子化學計算方法模擬其單分子的空間構型;載流子遷移率測試的結果約為ix10 「 、 m 』 v 」 』 ? s 「 』 。
  12. Algan / gan hemt has high breakdown electric field, fast electron drift velocity and large electron concentration, so it has been used more and more in high frequency and large power fields

    Algan / ganhemt由於具有擊穿電壓高、電子漂移速度快和電子濃度大等特點,已被越來越多地應用於高頻及大功率領域。
  13. ( 2 ) the process of dc discharge in o2 / n2 mixtures with the different n2 concentration has been simulated. the dependences of number of collisions with the e / n and the energy of electron are given. it is analyzed stressfully that the process of electron - molecule collision with the e / n and the energy of electron in air at atmospheric pressure

    對于o _ 2 n _ 2混合氣體,模擬了不同配比條件下直流放電過程,得出了發生碰撞的粒子數隨e n 、電子能量的變化;著重分析了空氣中激發、電離、分解及分解電離碰撞的粒子數隨e n的變化,給出了電子漂移速度和平均電子能量隨e n的變化。
  14. To prepare the functionally gradient materials ( fgm ) of polysilane - polyacrylate, the method of solution preparation was performed. based on the results of the back - scattered electron images and linear scanning of the polysilane - polyacrylate film ' s cross section, the dependence of polysilane - polyacrylate film ' s structure on molecules of polysilane and polyacrylate, pmma / pmts feed ratio and component concentration were investigated

    通過測試有機硅聚合物-聚甲基丙烯酸酯樹脂膜的結構,分析了聚有機硅( pmts ) 、聚甲基丙烯酸酯( pmma )的分子量、 pmma pmts體系配比、組分濃度等因素對有機硅聚合物-聚甲基丙烯酸酯樹脂膜結構的影響。
  15. Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also

    利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是:抱軸箱體的裂紋斷口特徵相近,裂紋性質屬于多源性低周疲勞裂紋,鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因;利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析,證實了局部幾何性應力集中對過早裂損也有一定影響。
  16. For example, one of us ( umstadter ) has demonstrated electron beams of a few million electron - volts whose “ brightness ” ( in essence, the concentration of particles in the beam ) exceeds that of beams made by conventional accelerators, mainly because the charges bunched in one pulse of the beam have less time to blow it apart by its own electrostatic forces

    例如烏姆斯塔特(本文作者之一)便曾展示過,具有數百萬電子伏特的電子線束之亮度(基本上,即是線束內的粒子濃度)超過了傳統加速器產生的線束,因為脈沖內束在一起的電荷根本沒時間以自身的靜電把別人擠開。
  17. Standard test method for wipe sampling of surfaces, indirect preparation, and analysis for asbestos structure number concentration by transmission electron microscopy

    用透射電子顯微鏡檢查法對石棉結構數密度進行表面的擦拭取樣間接制備和分析的標準試驗方法
  18. The main simulation results were as follow : the average energy of electron decreases with the increasing pressure ; it decreases with the increasing methane concentration in the filling gas in the lower pressure range and increases in the higher pressure range ; the number density of fragment h and ch3 does not always increases with the gas pressure, but reaches an individual maximum ; energy carried by neutral dissociative fragment ch3 decreases with increasing gas pressure and ch4 concentration

    主要結果如下:平均電子能量隨著反應室內氣壓的增加呈下降趨勢;在較低氣壓范圍內平均電子能量隨著反應源氣體中甲烷濃度的增加而減少;在較高氣壓范圍內平均電子能量則隨著甲烷濃度的增加而增加;隨著氣壓的增加碎片h和ch _ 3的數目並不是一直增加的,而是在不同的特定氣壓下出現各自的最值;碎片攜帶的能量基本隨甲烷濃度和氣壓的增加而減小。
  19. In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma

    重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈;分析了不同基團的相對密度隨宏觀放電條件(微波輸入功率、放電氣壓、源氣體流量比)的變化規律;探討了等離子體中各種基團的生成途徑;在不同源氣體流量比的條件下沉積了a - c : f薄膜並通過傅立葉變化紅外吸收光譜( ftir )的測量得到了薄膜中鍵結構的信息;分析了a - c : f薄膜的沉積速率及其鍵結構與等離子體空間基團分佈狀態之間的關聯。
  20. Second, in luminescence materials hole or electron concentration will change with the doping content. so we expand the hole or electron concentration in taylor expansion and calculat the optimum doping contents. for several semiconductor materials such as zns : mn, silicon doped er and gaas, gap, gan doped different materials, we calculat their optimum doping contents which arc close to some experimental results

    應用該表達式,給出了各種不同的制備方法zns摻mn 、硅基摻鉺、以及gaas 、 gap 、 gan摻不同元素制出的發光材料,對最佳摻雜含量進行了理論上的計算,理論計算值與實驗數據相符合。
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