density of level 中文意思是什麼

density of level 解釋
能級密度
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  • of : OF =Old French 古法語。
  • 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. Some tendency of tn5gusa5 transposition were found that all preferred sites of tn5gusa5 in xcc 8004 genomic dna are in at - rich regions ; target sequences of tn5gusa5 have some features that the probabilities of guanine and cytosine are high respectively at the head and tail base of target sequence ; the level of gene transcription does not influence insertion density of tn5gusa5 significantly

    結果表明, tn5gusa5插入位點有一定的規律性: tn5gusa5在xcc8004基因組上傾向于插入低gc含量( 50左右的區域插入密度最高)區段;插入位點的靶序列有一定的特異性,在靶序列的首位鳥嘌呤出現的幾率高,而在靶序列的末位胞嘧啶出現幾率高; tn5gusa5的插入密度與該區段基因的轉錄水平無明顯關系。
  2. Standard test method for bulk density of level paintbrush filaments

    油漆刷絲分佈密度的標準試驗方法
  3. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。
  4. It was indicated that the density of the filled soil and the drainage condition of the slope were the major factors controlling the deformation and failure of slope caused by the rise of ground water level

    分析結果表明:填土密度和斜坡排水條件是影響斜坡因地下水位上升而變形和破壞的重要因素。
  5. In this paper, a numerical simulation is conducted, which is based on the test data of the model experiment of sloping ground with the help of the marc program. when the bearing capacity characters of level ground and the foundations adjacent to or above slopes are analyzed, the effect is considered, which includes deformation moduli, density, poisson ratio, angle of internal friction, stress - strain relationship, slope angle, relative distance from the edge of slopes and relative depth of footings

    本文利用斜坡地基模型試驗的試驗數據,用marc軟體進行了斜坡地基模型試驗的數值模擬,分析了平地地基、臨坡地基和斜坡地基的承載力特性,研究了變形模量、容重、泊松比、內摩擦角、應力應變特性、斜坡坡度、基礎的相對坡頂距及其相對埋深等因素對斜坡地基承載力性能的影響。
  6. The energy density of the spot was 100 times the typical saturation level of the vidicons

    光點的能量密度為光導攝像管典型飽和電平的100倍
  7. Based on these two factors mentioned above and the difficulty to implement in c compiler, this paper proposed a method of modifying operand type by inserting instruction lw or sw at assemble level as well as instruction scheduling. therefore, this can generate effective parallel instructions and correspondingly improve the performance and density of object code

    本文在分析了上述兩個限制并行指令生成的主要因素以及很難在編譯器中實現并行指令生成的基礎上,提出了在匯編級檢查指令的操作數類型,通過插入lw或sw指令來改變操作數類型及指令調度的方法,能夠有效的生成并行指令,提高了代碼運行效率和代碼密度。
  8. Veneer dyeing can improve wood visual characteristics and imitatethe color and luster of precious wood species, to increase the decorative effect. the veneers of hardwood species such as % populus tomentosa, paulownia elongata % were adopted to make dyeing experiments by using acid dyestuff. the result shows : the acid dyestuff in textile industry could be used in wood dyeing process. compound dyeing can be adopted by using the mixture of several kinds of dyestuff. the different treatment methods before the wood was dyed affects the dyeing effect of wood. there is a great difference in the deformed degree of dyeing veneers, smooth level has a relation with wood density. the density of dyestuff, dyeing time and dyeing temperature and so on have many influences on dyeing effect. different technological process has been used in veneers of different wood speicies

    木材單板染色有利於改善木材視覺特性,可以實現模仿珍貴樹種木材的色澤,提高裝飾效果.該研究選取毛白楊和泡桐等闊葉樹種木材單板採用酸性染料進行染色實驗,結果表明:紡織工業用酸性染料可用於木材染色,也可以採用幾種染料混合復合染色;木材染色前的不同處理方法影響木材的染色效果;染色單板的變形程度有較大差異,平整度與木材密度相關;染料濃度、染色時間和染色溫度等對染色效果有較大的影響,不同樹種單板應採用不同工藝
  9. Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2

    我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算,我們得到了該耀斑后環各個時段在空間上的視向速度場,激發溫度場,視向上處于第二能態的氫原子柱密度場以及湍流速度場。
  10. Only the water at jiekou had been eutrophic. the result of biological assessment was that the average density of phytoplankton at all the sampling spots was more than 1, 000, 000 per litre, indicating that the lake was eutrophic going by the population density. but this density of phytoplankton was higher than that in similar lakes at the same pollution level

    生物評價結果認為,千島湖浮遊藻類平均密度較同類營養水平的淡水水體高,其所有取樣點浮遊藻類平均密度都10 ~ 6個? l ,國內外一般認為當浮游植物平均密度10 ~ 6個? l時,其已經達到富營養化水平,因此單從浮游植物密度來看,可以認為千島湖已達到水體富營養化。
  11. The density of growth cell and the expression level of target protein could be improved by high density fermentation

    通過高密度發酵可以提高細胞生長密度、目的蛋白的表達含量。
  12. Maximum density of moths typically occurred below 500 m, and strong layers were often observed at about 200 m above ground level in airflows which would carry the moths towards the south

    最大蛾類密度通常出現在500m以下,強的昆蟲層出現在地上200m左右高度的氣流中,這里氣流可將昆蟲帶到南方。
  13. 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 %
  14. During this process, the level of doping concentration exceeds the density of cd vacancy in the crystal. in addition, the preparation of au contact on cd1 - xznxte wafers was studied. after further thermo - treatment, the stable ohm au contact was achieved

    此外,對于在cd _ ( 1 - x ) zn _ xte晶體上制備穩定歐姆接觸電極進行了相應的研究,制定出相應的蒸鍍及退火工藝。
  15. The paper introduces the optimal design of the second grade level net in fuoshan, expounds the evaluating method on accuracy for different net pattern based on the principle of indirect balancing and the computing function of the excel matrix, and selects a pattern which meets the needs of national norm for net form, the density of point, accuracy and reliability

    摘要本文介紹了佛山市二等水準網項目的優化設計,重點闡述了根據間接平差原理對不同的布網方案,利用excel的矩陣計算功能實現精度評估的方法,評選出一套從網形、點位密度、精度、可靠性等方面都符合國家規范和佛山特點的方案,以供參考。
  16. The main crack of tiaohu formation are straight oblique - cracks and level crack, there are many scores in the crack. the length of cracks is long, and they cut across several layers. the average surface density of the cracks is 0. 101 slips / m. the cracks in lucaogou formation is mostly net cracks, and there are solution on crack surface

    條湖組的裂縫多為平直的斜交縫和水平縫,縫面多見擦痕,延伸長度大,切穿多套地層,裂縫面密度平均為0 . 101條米;蘆草溝組裂縫多為網狀裂縫,縫面有溶蝕現象,多存在於碳酸鹽巖內,裂縫面密度平均為0 . 143條米。
  17. The effect of the rise of ground water level was simulated by increasing the mass density of pore water in the soil elements between the initial and targeted ground water levels

    通過逐步改變初始和終止地下水位間土單元中孔隙水的密度模擬地下水位上升的效應。
  18. Cd1 - xznxte single crystal with good crystallinity has been grown by the descending ampoule with rotation method - before this, high - purity cd1 - xznxte polycrystal materials have been synthesized from 6n gd zn te in the same ampoule. on the basis of this, we deeply explore method of detector fabrication. and we also studied the level and density of traps in detector. gold, indium and c have been deposited as electrodes on polished and chemically etched surfaces of samples with the sizes from 5 5 1 to 10 10 1. 5mm to compare different contact technologies. the behavior of detector ' s leakage current with temperature and leakage current with time were studied as well as th current - voltage characteristics to deduce the level and density of trap in detectors

    我們利用熔體溫度振蕩法在石英安瓿中將6n的單質cd 、 zn 、 te合成多晶原料,用坩鍋旋轉下降法在同一安瓿中生長出尺寸為20 40mm的cd _ ( 1 - x ) zn _ xte晶體。在此基礎上對碲鋅鎘探測器的工藝進行了較深入的研究,製作了厚1 ? 1 . 5mm的探測器,測試了c 、 in 、 au等不同金屬的電極接觸性能,並在國內首次通過測試器件的i ? v 、 i ? t曲線、弛豫特性和電容特性對電阻率、陷阱能級、陷阱濃度進行了分析,同時測得的~ ( 241 ) am源的能譜。
  19. At the same time, it states the dominant industry for each district, and defines growth pole of beijing suburbs on the basis of density of dominant industry and economical level for each district. finally, the paper demonstrates that it is necessary to build economy growth pole model of beijing suburbs on the beginning of 21s1 century on analysis of relations among dominant industry, growth pole and economic growth point, discusses evolvement rules about pole - core space structure phase. point - axis space structure phase and network space structure phase, analyses which space structure phase beijing suburbs is in, and brings forward point - axis developing model, then explains definition of point - axis developing model and important meanings for economy development of beijing suburbs, referring to principle of point - axis developing model, the paper proposes economy growth point model, and offer the policy and suggestion for government corresponding to the problems of application of economy growth point model

    最後,通過論述主導產業、增長極與經濟增長點的相互關系,闡述了從產業和地區角度對主導產業和增長極進行綜合分析以構建21世紀初北京郊區的經濟增長點模式的必要性,探討了極核式空間結構階段、點軸式空間結構階段、網路空間結構階段這三種空間結構的演變規律,分析了21世紀初北京郊區所處的空間結構階段,提出了點軸開發模式,從點? ?軸開發的定義、對北京郊區經濟發展的意義進行了論述,進一步通過對點? ?軸空間結構系統的形成機理分析,借鑒點? ?軸開發的原理,提出21世紀初北京郊區的經濟增長點的構建模式,並針對這種模式構建中存在的問題,對政府工作提出了可行性建議。
  20. On the basis of data available, this paper analyzes the regional difference of urbanization in china from three aspects, such as the change of the level of urbanization, the change of density of cities and the change of the speed of the urbanization

    本文在既有文獻的基礎上,從城市化水平變化、城市密度變化及城市化速度三個方面分析了我國城市化水平區域差異,得出改革開放以前差距縮小而改革開放以後差距擴大的結論。
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