electron level 中文意思是什麼

electron level 解釋
電子能級
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子(學)說。
  • level : n 1 水平儀,水準儀;水準測量。2 水平線,水平面;水平狀態;平面,平地。3 水平,水準;水位;標準;...
  1. 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。
  2. 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。
  3. Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )

    體積電阻率的測定:當r _ v 10 ~ 8時,製成100 100 4mm板材,用zc36型高阻儀測量;當r _ v 10 ~ 8時,用dt - 9205b型數字式萬用表測試試樣的體積電阻,為了減小接觸電阻對測試的影響,採用銀導電膠將銅片粘接在試樣的兩個端面上,靜置24小時,待銀導電膠凝固,試謝長瓊:熱拉仲對pet / pe / cb復合導電體系形態和性能的影響樣的電阻穩定后再測量。
  4. The company main product includes : the vacuum electron gun, opticsmembrane level thickness measuring instrument, the electron gunscanning control meter, the high efficiency crystal thyratron pressureregulator, the precise optics with the power source, the electricitycontrol the cabinet, the data acquisition module and so on

    公司主要產品有:真空電子槍、光學膜層厚度測量儀、電子槍掃描控制儀、大功率晶閘管調壓器、精密光學用電源、電氣控制櫃、數據採集模塊等。
  5. A co2 laser with the optimized resonator is made and to be proved by experiments. this dissertation focus on the following problems : the kinetics process of the cvl and the co2 laser, the rate equations for the laser level population, electron temperature and electron density

    本文的重點是:闡述清楚銅蒸汽激光和二氧化碳激光的動力學過程,定量描述激光能級的粒子數速率方程、電子溫度和電子密度等速率方程
  6. The total number of defects induced by electron irradiation in 4h - sic is calculated theoretically. the deep level defect of eh6 / eh7 is considered to play the most important role in carrier recombination from the comparison of all kinds of possible electron traps

    在輻照的位移效應方面:從理論上對電子輻照在4h - sic中引入的缺陷數量和各種缺陷能級進行了計算和分析,其中只有eh6 / eh7缺陷能級在sic中起著有效的復合中心的作用。
  7. In this paper, a new amphiphilic molecule ( n, n - dimethylferrocenylmethylhexad - ecylammonium bromide, fc16ab ) with fc moiety as the head group was synthesized and characterized by ft - ir, h1nmr, esms etc. the studies about electron level structure and surface activity of fci & ab are carried in detail at first

    接著對其電子能級結構,以及表面性質作了研究,表明fc _ ( 16 ) ab是一種具有潛在應用價值的光電功能成膜分子。然後以這種功能分子為主,研究其單分子膜物理化學特性,以及構築超薄有序膜的方法。
  8. The company talented people, give full play to their talents, continuous improvement, continuous innovation, in 1990s, improves the two series of hf including seven products to new energy - efficient products, and through the identification of new products at the provincial level, including : designed and developed by ourselves the new products gp - h - d 800kw electron tube - powered high frequency induction heating equipment filled the domestic gap

    公司以其科學的質量管理雄厚的技術力量,連年被河北省科委命名為高新技術企業。並率先在同行業中通過了is09001 : 20 .本公司生產的高頻焊管加熱設備為節能新型單迴路,整機電路成熟,可靠耐用。
  9. An electron can drop from a higher level to a lower one with the emission of a packet of electromagnetic radiation.

    利用電磁輻射束的輻射,能使電子從高能級落到低能級。
  10. The difference between the magnetic moments for the samples with respective doping level can be ascribed to the variation of the competition between thermal effect and the magnetic coupling. based on the spin orientation rotation of dy sublattice as well as the antiferomagnetic coupling between dy sublattice and mn sublattice, we successfully elucidate the changes of magnetic structure in perovskite compounds s. electron spin resonance ( esr ) study on perovskite compounds on the basis of chapter 4, we give further study on micromagneticism of dy - doping perovskite compounds la0. 67 - xdyxsr0. 33mno3

    其中第一節簡單回顧了早期對a位雙稀土元素元素摻雜鈣鈦礦化合物的研究,早期研究較多的是替代元素的離子半徑變化上,由於替代離子半徑的改變,使a位平均半徑變ylll化,致使公差因子改變,使mn o長、鍵角變化,晶格效應的作用使化合物的磁性、電性、 cmr效應發生改變。
  11. The dispersion of the modified nano - sized caco3 in the pvc matrix was observed in tem ( transmission electron microscope ). the influences of surface treatment and the contents of nano - sized caco3, extrusion technology and other additives on the properties of the composites were investigated. the results show that the surface treatment of the nano - sized caco3 particles with wet method enlarged the specific surface area and reduced the surface energy of the particles, and made the particles dispersed at the nanometer level in the pvc matrix, which improved the mechanical properties of the composite

    本課題為了解決納米caco _ 3在pvc中的分散問題,對納米caco _ 3粒子進行了濕法處理,採用雙螺桿擠出法制備出具有良好性能的pvc -納米caco _ 3復合材料;對復合材料的力學性能和加工性能進行了測試;利用tem ( transmissionelectronmicroscope ,透射電子顯微鏡)觀察了納米caco _ 3粒子在pvc基體中的分散情況;討論了納米caco _ 3的表面處理方法、納米caco _ 3的含量、復合材料的制備工藝以及各種助劑對復合材料各項性能的影響。
  12. The energy level structures of the 4d core excited configuration 4d 5s25p5, final radiative configuration 4d105s25p4 and final auger configurations 4d105s25p3 and 4d105s15p4 of csv ion and all possible decay dynamics processes related to these configurations are all determined by mcdf method. we also compared the present results of radiative transition, oscillator strength and the line width with the results obtained by experimental spectra and the quasi - relativistic configuration interaction method and got a good agreement. we also make prediction for some dominant features of the auger electron spectrum emitted by the auger decay process of the 4d95s25p6 core excited states

    論文第三章中詳細的介紹了cs離子的4d內殼層電子激發組態4d ~ 95s ~ 25p ~ 5 、輻射末態4d ~ ( 10 ) 5s ~ 25p ~ 4及auger末態4d ~ ( 10 ) 5s ~ 25p ~ 3和4d ~ ( 10 ) 5s5p ~ 4的能級結構及各種可能的輻射和auger衰變過程,獲得了與已有的實驗結果和相關的半經驗準相對論組態相互作用計算結果相符的輻射躍遷能、振子強度以及線寬,預言了4d ~ 95s ~ 25p ~ 5態的以auger衰變為主的auger電子譜的特性。
  13. No3 : revealing crystal defects at atomic level by field - emmission hrem ( invited lecture ), f. h. li, proceedings 7th asia - pacific electron microscopy conference, singapore, june24 - 30, 2000, pp. 26 - 27

    場發射高分辨電子顯微鏡在揭示原子解析度晶體缺陷上的應用(特邀論文) ,李方華,科儀新知, 21 ( 1999 ) 8 - 15
  14. Since has entered for the 21st century, the basic unit government information took the third level the information, involves the more basic units government administration way, the content and the method electron, the networkand the modernization, the development opportunity and the challenge co exists

    進入21世紀以來,基層政府信息化作為第三層次的信息化,涉及更多基層政府行政管理方式,內容和手段的電子化,網路化和現代化,發展的機遇與挑戰並存。
  15. The dependence of the electron in 4i _ ( 13 / 2 ) level on the measured temperature and the radiative transition property of different stark sub - level were discussed

    討論了~ 4i _ ( 13 2 )能級電子布局隨測量溫度的變化以及不同stark劈裂態電子向下輻射躍遷的特性。
  16. Research technique ' s development and possess level about database, apply mature relation database construct pdm system ' s electron warehouse, establish foundation for other function module

    研究數據庫技術的發展和目前具備的水平,應用成熟的關系數據庫構建中國船舶重工集團七一六研究所pdm系統的電子倉庫的數據結構,為其它功能模塊的實現奠定基礎。
  17. The redox of v ( ) / v ( ), v ( ) / v ( ) couple on the graphite displayed one electron quasi - reversibility. it is proved that trace in3 +, sb3 + can inhibit cathodic hydrogen evolution during the charge process by increasing the hydro - gen overvoltage in addition that sb3 + is a stabilizing / kinetic enhancing ion. during the charge / discharge process, cross - mix and self - discharge rarely happened. the maximal energy density of the lab - level vanadium battery is 21 wh / kg. the capacity efficiency of the lab - level vanadium battery is as high as 94. 7 %

    釩電池充電末期,會發生水的電解反應,痕量銦離子的加入提高了析氫過電位,抑制了充電過程中負極氫氣的析出;銻離子的加入不僅可以抑制氫氣的析出,還提高了正極反應速率,增強了正極表面的穩定性。實驗中得到的最高質量比能量為21wh / kg ,充放電過程中僅有極少的交叉混合和自放電發生,自製釩電池的容量效率可高達94 . 7 %
  18. The second part is about co2 lasers. we first discuss the mechanisms of population inversion, including excitations and relaxations ( electron collision excitation, resonance transition excitation impacted by excited n2 molecules, the relaxation of both the lower - upper laser levels and the lowest level of co2 )

    首先,討論了二氧化碳激光粒子數的反轉機理,包括電子碰撞激勵、激發態n2分子等共振轉換激勵過程,激光上下能級co2 ( 00 1 , 10 0 )以及最低能級co2 ( 0110 )的弛豫過程等幾個方面
  19. Aurora is the highest level of the earth ' s atmospheric gas molecules or atoms from the sun by the high - energy electron impact after the launch

    極光是地球大氣高層的氣體分子或原子受來自太陽的高能電子碰撞后發射的。
  20. We then discuss the vibrational - rotational level transitions and the population rate equations for the laser. in addition, electron temperature, electron density and the mixtured gas temperature in the laser plasma are investigated in details. the third part is with regard to the optimal designs and the experiments of the lasers

    在二氧化碳激光動力學機理的研究中,比較詳細地討論了二氧化碳激光動力學過程,給出了激光振動-轉動能級躍遷及其速率方程、激光等離子體電子密度和電子溫度,以及混合氣體的氣體溫度
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