electron absorption 中文意思是什麼

electron absorption 解釋
電子吸附
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子(學)說。
  • absorption : n. 1. 吸收,合併。2. 專心,一心不亂,熱中 (in)。3. 〈口語〉飲食。
  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. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。
  3. Funchonal cytology of trionyx ' s digestive tract was studied using ligh and electron microscope. immunal cytochemistry and special stanjng. the funtion includes digeshon, absorption, respitalion, endocrine secretion and mucous immunology it was shown that the morphological mctue, dianbution of vallous cell and ultrastwhon were different from mammai and avian

    應用光鏡、透射電鏡技術、免疫細胞化學反應以及特殊染色方法,對鱉消化道的消化吸收、呼吸、內分泌和粘膜免疫機能的細胞學形態基礎進行了系統研究。
  4. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心,氨基、二苯氨基和二乙氨基為電子給體,硝基為電子受體組合形成的分子為研究對象,在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度,重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明,分子長度與單光子吸收強度之間有密切關系,而在雙光子吸收中這種關系較弱;中心在雙光子吸收中具有重要的作用;在中心和受體一定的情況下,增加給體的供電子能力,可提高雙光子吸收強度。
  5. Fundamental of laser 40ar / 39ar dating method : our laboratory has successfully set up the laser microprobe 40ar / 39ar geological dating method. our works include adjustment of the high - gain electron multiplier in mass spectrometer and correction of mass discrimination, adjustment of the laser, test for absorption ability of minerals to laser, designing and manufacturing high - vacuum sample chamber, sample preparation and irradiation, research on the variability of j values on the surface of rock chips, measuring atmospheric argon, determination and correction of blanks and ages, etc. the laser microprobe technique is particularly effective for some geological samples. it can be used, for example, for research of distribution of the components in extremely small samples that are very difficult to be separated and purified and those which contain excess argon

    本文首先從常規~ ( 40 ) ar ~ ( 39 ) ar階段升溫定年實驗室的改進入手,進而建立了激光~ ( 40 ) ar ~ ( 39 ) ar定年實驗室,利用這兩種先進同位素地質定年方法,結合其他手段,對青藏高原腹地和北緣的阿爾金斷裂系多期地質事件進行了詳細的同位素年代學研究:一、參照國際先進實驗室的流程,對我們的常規~ ( 40 ) ar ~ ( 39 ) ar階段升溫實驗室在樣品的預處理、樣品的照射條件和系統空白測量及校正等方面進行了改進,使之產出的同位素年代數據更可靠並為國際同行所承認。
  6. 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。
  7. So we figured that the influence of the electron - electron interactions must be considered in our work. added an electron - electron interaction ( up to the fourth neighbor ) term to the baranowski - buttner - voit ( bbv ) model for polyaniline, we carried out a self - consistent - variation calculation for an biexciton in the pernigranlilne - base polymer, in order to confirm the model hamiltonian. the results showed that two peaks ( near l. oev and 1. 5ev ) appeared in the calculated optical absorption, besides the reproduced electronic structure, bond order wave ( bow ) and ring - torsion angles

    發現引入電子?電子相互作用后,聚苯胺靜態激子的性質受到影響,該聚合物的鍵序波、芳環扭角和電子中文摘要結構發生了變化,而且在理論吸收譜的低能端出現了明顯的二特徵吸收峰( 1 . 0ev和1 . 5ev附近) ,這一結果與實驗數據很好的吻合,從而這一點表明我們所考慮的因素是合理的。
  8. From the scaling law about hot electron temperature given by vh model, the hot electron measured by experiment was reasonable, the temperature was higher than the temperature given by resonant absorption scaling law

    真空吸收是產生高能超熱電子的主導過程,從真空吸收給出的超熱電子溫度定標率來看,實驗中測量得到的超熱電子溫度是合理的。
  9. 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 「 』 。
  10. The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma. an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments. the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution

    E11分佈,擬合的超熱電子有效溫度約200kev左右,超熱電子的最大能量約zmev ,加速電子的主導機制是共振吸收機制;反射方向超熱電子的能譜在低能段出現一個局部的平臺( pla1leau ) ,呈現出非類maxwen分佈,這是幾種加熱機制共同作用的結果,其中佔主導地位的是反射激光加速機制。
  11. The equations which are used in the radiation hydrodynamic model include the hydrodynamic equation of plasma, the absorption equation of laser, non - lte electron occupation probability equations, electron ion and photon energy equations ( three - temperature equations ), and the state equation of matter and so on

    考慮的方程有:等離子體流體力學方程組,激光吸收方程,非局域熱動平衡電離下電子占據概率的速率方程組,電子離子的能量守恆方程組和光子的能量輸運方程(三溫方程組) ,關于元素不透明度的方程,以及描述物質狀態的方程等。
  12. On this condition, based on the experimental results gotten by the microwave absorption dielectric - spectrum measure technique, the photographic process at room temperature in agcl cubic microcrystals doped with k4fe ( cn ) 6 is simulated. through the optimization of simulating parameters, not only the cross - section and trap depth of the shallow electron trap induced by the dopant, but also the optimal doping amount is obtained

    在此基礎上,以微波吸收介電譜檢測技術的實驗結果為依據,對摻有k _ 4fe ( cn ) _ 6的agcl立方體微晶在室溫下的曝光過程進行了模擬,通過調節模擬參數,不但計算出由摻雜劑引入的淺電子陷阱的俘獲截面和陷阱深度,而且得到了這種摻雜乳劑的最佳摻雜濃度。
  13. The diameter of pn of lermulsion increases with the increasing of sapomn and it is observed through tem that the water phase drop also becomes bndr. ( 2ap uvmi absorption of formulsion changes when the quanty of cosum and the quantity of normal hexanl changes, wtheh indicatcs tha the changes influence the electron clound of benzene and thexyl

    ( 2 )紫外光譜的分析表明,隨hhophg皂化度和助表面活性劑正己醇用量的改變,微乳液中hhophg紫外吸收峰的位置和強度發生變化,表明在微乳液的形成過程中, hhophg的苯環和竣基上的電子云密度發生了變化。
  14. It contains noncovalent - bound ferrin and has an electron delivery pathway by reversible change. after reduced by accepting electron and bound with co, ferrins form optical absorption spectrum

    當血紅素鐵接受電子被還原后再與co結合,將產生細胞色素p450的特徵光譜。
  15. The wuxi date field electron electric appliance limited company is the specialized development, the production and the sales monitor windows radiation shutter, pc and pmma strengthens strengthened the chinese and j apanese joint capital enterprise the enterprise introduces the japanese most advanced equipment and the technology, the absorption domestic outstanding specialized talented person

    無錫日田電子電器有限公司是專業開發,生產和銷售顯示器視窗防護屏, pc和pmma (壓克力)加強強化的中日合資企業.企業引進日本最先進的設備和技術,吸收國內優秀的專業人才。
  16. Atomic - absorption spectrophotometry of impurties in alumina for electron ceramic raw materials

    電子陶瓷原材料氧化鋁中雜質的原子吸收分光光度測定法
  17. According to the current problems such as low quantum efficiency. limited available sun energy spectrum range, and inefficient recovery, resulted from the practical using of photocatalysis, using the narrowband semiconductor cds ( eg = 2. 5ev ) to compound with tio2 seems to be an effective solution. since it will not only enlarge the region of the absorption with the proper narrow band of cds but also improve the photodegradation efficiency on account of the band overlap of the two, which makes the photo induced electron and holes separate more easily

    本文針對光催化技術應用中存在的tio _ 2光催化量子效率低,吸收利用太陽能光譜范圍有限,催化劑回收困難等問題,通過窄禁帶半導體cds ( e = 2 . 5ev )的復合,對納米tio _ 2進行了改性研究,一方面,由於cds的窄禁帶寬度可以擴展薄膜的光譜吸收范圍,另一方面,由於能帶的交疊,提高了光生電子和空穴的分離效率,從而提高了薄膜的光催化降解效率。
  18. The distribution and accumulation of three kinds of heavy metals including lead, copper and mercury in tissues and cells of several organs, and their effects on activity of digestive enzymes and alkaline phosphatase of macrobrachium nipponense were studied with light microscopy, transmission electron microscopy, cytochemical method, atom absorption spectrum, mass spectrum analysis and enzyme analytical method

    本文應用組織學、組織化學、透射電鏡、原子吸收光譜分析和酶學分析等方法,研究了鉛、銅、汞等三種重金屬在日本沼蝦各主要器官細胞內的分佈和積累以及對日本沼蝦消化酶和堿性磷酸酶活性的影響。
  19. In this thesis we have expatiated on the methods of the c60 thin films preparation, and the process with vacuum evaporation. the effect, which was caused by different gas pressures and other element doped, on surface morphology, structure and optical properties of c60 films have been studied by using scanning electron microscopy ( sem ), ultraviolet visible optical absorption spectroscopy ( uv / vis ) ( type : uv - 240 ), ellipsometer and x - ray diffraction

    本論文闡述了用真空蒸鍍法制備c60薄膜的方法和過程,研究了在不同氣氛下生長和摻雜對c60薄膜的表面形貌、結構和光吸收特性的影響;用xl30fge型掃描電鏡對c60薄膜表面形貌進行觀察;用uv - 240型紫外可見光雙光束分光光度計進行紫外、可見光吸收測量;用橢偏儀對薄膜進行厚度和折射率測量;用x射線衍射對薄膜結構進行分析。
  20. Energy spectrometer and atomic absorption spectrum ( aas ) were used to determine their compositions, and scanning electron microscope ( sem ), transmission electron microscopic ( tem ) were used to analysis the appearance of the samples

    用原子吸收分光度法和能譜確定樣品的組成。掃描電子顯示鏡( sem )和透射電子顯微鏡( tem )分析了樣品的表面形貌及粒徑特徵。
分享友人