極小密度 的英文怎麼說

中文拼音 [jíxiǎomìdù]
極小密度 英文
minimum density
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. If it is focused. so the boiloff and cautery of focus tissue can be used in the therapy. also if it isn t focused, the laser radiating focus tissue can bring about concretion effect

    激光治療儀的發散角極小，能量密度高，經聚焦后，可達每平方厘米幾千瓦的功率， co2激光治療儀可用於對病灶組織的汽化，燒灼或切割病灶組織，所以co2激光治療儀也稱謂激光刀。
  2. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  3. The density of holes in the base is less than the density of free electrons in the emitter and collector.

    基極中空穴的密度小於發射極和集電極中自由電子的密度。
  4. Micro - engraving takes both perseverance and concentration. on a 280mm high pencil vase, one of li ' s porcelains, the lines of mini chinese characters add much appeal to the chinaware

    從事微雕工作需要有耐心，並且要十分專注。在一件高度為280毫米的瓷器筆筒上，密密麻麻地布滿了一行行極小的方塊字。
  5. Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth

    值分佈以及場向電流強度和密度隨亞暴位相的變化，並著重分析了亞暴電流楔的特徵。結果表明，亞暴膨脹相的場向電流強度和密度都達到極大值亞暴的膨脹相是由行星際磁場轉向或南向分量變小觸發的，其起始位置很可能位於近地等離子體片內邊緣。
  6. When considering the subject " the administration of sale of land by public auction ", the committee are gravely dismayed that, in the sale of a site in siu sai wan, the director of lands, and the chairman and members of the district lands conference ( dlc ) had neither achieved the government s planning objective of lowering the development density in order to " thin out " the population, nor sought to obtain the maximum revenue at the public auction by upgrading the siu sai wan site to a class c site, for example, by requiring the provision of an extra street

    在審議有關「公開拍賣土地的管理工作」的事宜時，委員會對于地政總署署長、地區地政會議的主席及成員在出售小西灣土地一事上，既未有落實政府降低發展密度以「減低」人口密度的規劃目標，亦未有藉訂立規定例如要求在土地上多鋪築一條街道，把小西灣土地提升為丙類地盤，力求在公開拍賣中爭取最高收益，表示極度遺憾。
  7. The scaling relations of conduction time and opening time with the plasma density, which are computed by a series of simulation results, show that, influence of plasma density on conduction time is greater than opening time. influence of cathode em itted electrons on conduction process, which is found to be more important when initial plasma density is low, is dependent of the initial plasma density. the penetration of a magnetic field into cylindrical middle - density ( 1013 / cm3 ) c + + and h + plasma with uniform and parabolic density profile, are examined with aid of pic simulation

    模擬得到的低密度（ 10 ~ （ 11 ） cm ~ 3 10 ~ （ 13 ） cm ~ 3 ）條件下導通和斷路時間與等離子體密度的定標關系曲線顯示：密度對于導通時間的影響遠大於對于斷路時間的影響；陰極電子對于peos導通過程的影響程度與初始等離子體密度有關，初始密度越大，陰極電子的影響就越小。
  8. In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps

    在第z三章中；通過對比，分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響，認為在一定的范圍內，多i孔硅的發光峰位會隨電流密度的增大而藍移，要獲得較強的發光，需z要選擇合適的電流密度；隨著腐蝕時間的延長，多孔硅的發光峰位會i發生藍移；當f酸的濃度較小q ： 1 ）時，峰位隨濃度的增大表現為向i低能移動；而當f酸的濃度較大河山時，峰位隨濃度的增大則表現z為移向高能；多孔硅在空氣中自然氧化；其發光峰位發生藍移，而強i度隨放置時間的延長而降低。
  9. When it is discharged at high - rate, the distributions are also the most uniform at the end of the discharge. this indicates that the positive plate with the red lead has the better discharge performance than the other two kinds of positive plates

    含紅丹的正極板在化成初期電流密度和電位的分佈最均勻，極化最小，在高倍率放電結束時，其電流密度和電位分佈也最均勻，表明含紅丹的正極板的放電性能比其它兩種正極板好。
  10. The results indicate that arctic fox wool, the angolan rabbit hair, the hair of nyctereutes ussurienusis mstscie with medulla cavity ' s density and breaking strength are small, but the angolan rabbit hair ' s superficial curl number is less ; the density of shanxi shep camel ' s hair is equal to wool and cashmere, the breaking strength and breaking elongation ratio are bigger than others

    結果表明，有髓腔的北極狐毛、安哥拉兔毛、貉毛的密度和斷裂強度均較小，但安哥拉兔毛的表面捲曲數少；山西羊駝毛的密度與羊毛、羊絨相當，強力和斷裂伸長率較大，產品耐磨性較好。
  11. In another vision, i saw a dense conglomeration of extremely brilliant spots, exploding incessantly in all directions in the vast cosmos. my attainment is testimony to the truth behind the teachings of master ching hai

    此外我還見過一個景象，看見空無一物的穹蒼中，有一些極光亮的小光點密度想必極大，此起彼落地朝四面八方爆裂開來。
  12. At the other extreme, the faintest known rings, such as jupiter ' s rings and saturn ' s outermost rings, have optical depths between 10 ? 8 and 10 ? 6

    在另一個密度極小的極端情況當中，已知最模糊的行星環，如木星環與土星的最外環，其光深度只有10 - 8到10 - 6 。
  13. This is due to the nearly simultaneous arrived of many closely spaced atoms within a small volume, which gives rise to high local energy density

    團簇與物質表面作用時，由於許多原子同時到達，使得在一小的區域內能量沉積密度和質量沉積密度極高。
  14. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下：首先，研究了vcsel的熱場特性，分析了電流擴展，材料參數和工作條件對于溫度分佈的影響；其次，從電極電壓入手，計算出激光器中的等勢線分佈，並對不同深度處的電壓和電流分佈進行比較，研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響；再次，實現了電、光、熱耦合，求出了閾值電壓，計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈，分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響；最後，給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈，分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。
  15. Due to their high aspect ratios and small tip radii of curvature, carbon nanotubes possess marvelous electron field emission properties, viz. low turn - on voltage ( e0 ) and large emission current density ( je ), and have good potential for using as materials in electron emitters of flat panel display

    由於奈米碳管具有極高的縱橫比與極小的尖端曲率半徑，因此奈米碳管有著超乎常態的電子場發射特性，低的場發射起始電壓與大的場發射電流密度，使其為電子場發射平面顯示器的良好材料。
  16. In view of the problem of three - phase flow interpretation, a method for applying grey theory and optimization technique to processing three - phase producing profile is presented

    該方法以滑脫模型為基礎，建立極小化目標函數及視流體速度（流量） 、密度、持水率、溫度和壓力等測量參數的理論響應方程。
  17. The results indicate that pollen grains radially symmetrical, apolar, spheroidal, the exine with distinct spines and temuity or perforation, usually the spines very small and dense

    7urn ，無極面、無萌發孔。花粉粒表面具三角形或乳突狀小刺，小刺密集整齊，密度在（ 2
  18. The cells in barrier anodized aluminum films are arranged in hexagonal arrays at aluminum / alumina interface. furthermore, the effect of anodizing voltage on cell sizes, pore diameter, pore density and cell density are studied

    阻擋層氧化鋁膜中的晶胞大小一致，且在鋁氧化鋁界面上排成六方形陣列；另外，研究了陽極氧化電壓對晶胞尺寸、孔徑大小、孔密度和晶胞密度的影響。
  19. But the comprehensive properties were improved remarkably. with the addition of carbon nanotubes, the polarization of charging process decreased, the plateau of discharge became flatter and the migration of potential of peaks value of cyclic voltemmograms reduced. for the other hand, the exchange current increased, ohm resistance and electrochemical reaction resistance of the electrodes decreased, the diffusion resistance of hydrogen and the resistance of adsorption decreased, too

    摻入碳納米管對儲氫合金電極的容量影響較小，但其電化學性能卻有較大的改善，主要體現在：充電的極化減小，放電平臺更加平穩、循環伏安曲線的峰值電位隨掃描速度增大的遷移量減小，交換電流密度增大，電極的歐姆電阻、電化學反應、擴散電阻和吸附電阻均減小。
  20. The main results and conclusions acquired from the dissertation are as follows : ( 1 ) aam templates with nano - pore arrays were fabricated in different anodic oxidative conditions by anodic oxidation of aluminum foils, so the pores in aam templates might have different diameters, different densities, different depths and different aspect ratios

    主要研究程果和結論如下： （ 1 ）在硫酸、草酸和磷酸電解液中，在不同的陽極氧化條件下制備出具有不同大小、密度、深度和縱橫比的納米孔陣列aam模板。
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