氧擴散 的英文怎麼說

中文拼音 [yǎngkuòsǎn]
氧擴散 英文
diffusion of oxygen
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 擴 : 動詞（擴大） expand; enlarge; extend
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  1. The annihilation of the octahedron voids at the tips of fpds was divided two processes : ( 1 ) the oxide on the void was removed by the out - diffusion of oi in the shallow region, especially the oi aroud the void and by the entry of the interstitial si atomics. ( 2 ) the void without oxide shrinked by emitting vacances and the migration of silicon atoms from edge to the bottom of void

    Fpds端部八面體空洞的消失分為兩個階段： （一）覆蓋在空洞各個內壁上的氧化膜由於高溫下矽片表面區域的間隙氧原子，尤其是空洞型缺陷周圍的間隙氧原子的外擴散及自間隙硅原子的進入，而逐漸變薄直至最終消失。 （二）無氧化膜的空洞，在高溫下發出一個個空位，同時八面體空洞周圍的自間隙硅原子不斷的從空洞的邊緣遷移至空洞的底部，使空洞逐漸變淺直至最後消失。
  2. He suggested that the varieties tested had different diffusive resistance to co2.

    他提出，供試驗用的品種對二氧化碳有不同的擴散阻力。
  3. When vitamin c reacts with nitrite in acid it forms nitric oxide. however, the nitric oxide can diffuse into fat ; react with oxygen to form nitrosamine - generating chemicals

    當維生素c在酸性環境下與亞硝酸鹽反應時，生成一氧化氮。然而，一氧化氮能夠擴散到脂肪中去；與氧反應生成會產生亞硝胺的化學物質。
  4. In the first part of this paper, mn ( iii ) / mn ( ii ) couple in h2so4 was firstly applied as the positive couple to this system, i. e. redox flow cell. its chemical, electrochemical properties, redox kinetics and related parameters were characterized and discussed by rotating disc electrode ( rde ), cyclic voltammetry ( cv ), a. c. impedance ( a. c. imp ), chronoamperometry, tafel curve, and galvanostatic charge / discharge techniques. conclusions have been drawn as follows : 1. the electrochemical kinetics of mn ( iii ) / mn ( ii ) redox couple in 6. 3m h2so4 solution were studied by means of rotating disc electrode ( rde ) technique on platinum electrode

    本文第一部分首次成功地將酸性介質中的mn （ iii ） / mn （ ii ）電對應用於氧化還原液流電池這一新型儲能裝置的正極活性材料，通過旋轉圓盤（ rde ） 、循環伏安（ cv ） 、交流阻抗（ a . c . imp ） 、恆電位階躍、 tafel實驗以及mn （ iii ） / mn （ ii ）單電極的恆流充放電實驗，我們得出以下結論： 1 .在旋轉圓盤電極上，不同轉速范圍，不同的極化過電位， mn （ ） / mn （ ）體系氧化還原電極過程的控制步驟不同，電荷傳遞、擴散傳質可分別或聯合成為控制步驟。
  5. The analysis model and design methodology for the gas field are discussed referring to related documents. the structure parameters of gas manifold, channel, diffusion layer and hydrophobic layer which affect the oxygen distribution are also studied

    本文闡述了氣場分析模型和設計思想，研究了進氣箱、交指型流道、擴散層和疏水層結構參數對氧濃度分佈的影響。
  6. On theory, based on the latest research of the international neuro - physiologist and psychologist on no, we detail several important results highlighting the role of source structure in the diffusion process, such as point source, hollow sphere source and irregular structure. second, we have had a advanced research on self - organizing feature maps. and some qualities of sofm have been analyzed

    理論地，在國際神經生理學、心理學與醫學關于內源性一氧化氮（ no ）最新研究的基礎上，深入分析一氧化氮的非局部擴散遞質和逆轉錄信使的特性，同時針對模型的不同結構（包括對稱形狀和不規則形狀）給出模擬結果。
  7. Transport in the diffusion layers and catalyst layers are described by a superposition of knudsen diffusion and stefan - maxwell diffusion, and electrochemical kinetics for anodic methanol oxidation and cathodic oxygen reduction are described by tafel equation

    模型以stefan - maxwell擴散和knudsen擴散的疊加描述了氣體混合物在多孔電極中的擴散過程，以tafel方程描述了甲醇在陽極氧化和氧在陰極還原的電化學動力學。
  8. The carbon dioxide laser facilitates resection by providing a bloodless field and reduces the possibility of viral seeding of the conjunctiva by sterilizing the operative site and sealing the lymphatics

    二氧化碳雷射有良好的止血作用，並對手術區域內完全滅菌，可封閉淋巴管以阻止病毒擴散，以利乳頭狀瘤之完全切除和預防其復發。
  9. All the experiment analyses are presented in chapter 3, including the lodging of negative resistance effect based on the measurement of the parameters of ga - diffusion trans

    結構中近硅表面微區域濃度的變化規律， ga擴散過程的三個階段包括預沉積、再分佈和二次氧化，對應于ga在a
  10. Determination of sulphur dioxide by absorption of a non dispersive infra - red radiation beam

    非擴散紅外線輻射束吸收法測定二氧化硫
  11. Focal area of necrosis present in such tissue may also be hypoxic, accelerating the spread of the organism

    集中感染的組織壞死區往往提供缺氧環境，加速了感染的擴散。
  12. The intrinsic chemical reaction rate constant was insensitive to the precursor and the calcinations history of cao, but the product layer diffusivity was affected by these two factors in the initial stage and decreased to a constant value with increasing conversion of cao

    化學反應速率常數不受氧化鈣的先驅物與其鍛燒程序所影響，但產物層擴散系數在初始階段則受到上述兩因素的影響，並隨著氧化鈣的轉化而減少至一定值。
  13. B2o3 could barrier the diffusion of o2 and na2so4 steam into interphase downwards of 1273k of volatilization temperature of b2o3

    氧化硼在其揮發溫度（ 1273k ）以下能夠有效阻擋氧及部分硫酸鈉蒸汽的進一步擴散，從而保護了纖維。
  14. The exchange rates of po4 - p in the east china sea were correlated with the temperature, ph of the seawater and mainly influenced by the reaction at the surface of the sediments. the exchange rates were controlled by the do and ph. it was shown that relationships between the exchange rates of no3 - n, no2 - n and nh4 - n and the potential environmental controls were complicated

    Po _ 4 - p在沉積物?海水界面的交換作用受擴散過程的影響不大，而界面上的反應，如fe氧化物對摘要p04一p的吸附和解吸，可能是po4一p交換速率的主要控制過程， do濃度和ph值可能是主要的控制因子。
  15. Sige simox : oxygen ions with high dose were implanted into sige grown directly on silicon substrate for the first time, and sige - oi novel structure was formed successfully with additional high temperature annealing ; it has been confirmed that oxygen implantation with 45kev, 3 1017cm - 2 and annealing at 12500c in ar + 5 % o2 for 5 hours, are fit for the formation of sige - oi structure ; ge loss during the high temperature annealing has been observed, which is originated from ge volatility and ge diffusion ; it has been proposed to use nanoporous layer induced by h + / he + implantation to surppress ge diffusion and to use surface oxidation to overcome the upper limit of sige simox. sige smart - cut : hydrogen ions were implanted into sige material and followed by high temperature process ( 4000c to 7000c ) ; blistering study was done and suggested the possibility of sige layer transfer by smart - cut technology ; it is concluded that the bubble formation is easier in sige than in si, and the strain in sige / si and the difference of binding energy in sige and in si could possibly contribute to this effect. behavior of sige / si implanted with hydrogen : gave a detailed study on sige implanted by beamline or phi hydrogen implantation ; it has been found that great strain is introduced into sige by hydrogen implantation and this strain could be alleviated by high temperature annealing ; both for conditional beamline implantation and piii hydrogen implantation, 600 is appropriate for the post - implantation treatment

    Sige - simox工藝方面：首次採用硅（ 100 ）襯底上直接外延的100nm厚sige的樣品中注入高劑量的o離子，通過退火處理成功制備了sige - oi新結構，即sige - simox工藝，證實了以45kev注入3 10 ~ （ 17 ） 7cm ~ （ - 2 ）劑量的氧離子，隨后在氧化層的保護下經1250 ， ar + 5 o _ 2氣氛的高溫退火（ 5小時）過程，可以制備出sige - oi新型材料；實驗中觀察到退火過程中的ge損失現象，分析了其原因是ge揮發（ ge通過表面氧化層以geo揮發性物質的形式進入退火氣氛）和ge擴散（ ge穿過離子注入形成的氧化埋層而進入si襯底中） ，其中ge擴散是主要原因；根據實驗結果及實驗中出現的問題，對下一步工作提出兩個改進的方案：一是通過在si襯底中注入適量h ~ + / he ~ +形成納米孔層來阻斷ge擴散通路，二是可以通過控製表面氧化來調節安止額士淤丈撈要表面sige層中的ge組分，從而部分解決sige
  16. This shift became distinct after annealing at 1100, which showed a decrease of the density and was considered that the interstitial impurity had diffused from sio2

    根據現有數據認為退火過后氧化層的密度變小，可能是氧化層內部間隙式雜質擴散出來的結果。
  17. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained

    本文將tffa模型應用於堿性燃料電池（ afc ）和質子交換膜燃料電池（ pemfc ）陰極，推導出陰極各種傳遞和反應過程的描述方程，包括氧氣在氣體擴散層和反應層氣體通道中的擴散，氧氣在反應層薄膜中的溶解和擴散，氧在反應層浸漬聚集體中的反應和擴散以及電子和離子的傳導，並給出方程的數值解法。
  18. The technology involved in providing a continual stream of high purity nitrogen is pressure swing adsorption. this technique uses a bed of carbon molecular sieve to selectively remove oxygen and other contaminants from atmospheric air

    碳分子篩從空氣中分離氮氣的原理是根據空氣中氧和氮在碳分子篩中不同的擴散速度或不同的吸附力以及兩種效應同時起作用的結果。
  19. Additional annealing experiments in nitrogen atmosphere revealed that the heavily damaged region with hydrogen - induced defects appears to be the adsorption center for the outside oxygen to diffuse into the silicon during the high - temperature annealing process, and consequently, broaden the thickness of the box layer. this important finding may provide a possible solution to reduce the cost of the conventional simox - soi wafers while maintaining a desirable box thickness

    獨特設計的氮氣氛退火及分步退火實驗證明了原注入樣品的缺陷層中氫及氫致缺陷的存在使得在退火過程中加速外界氣氛中的氧擴散進來，並成為強捕獲中心使擴散進來的氧滯留于缺陷層從而促使氧缺陷層中的氧沉澱生長，加速了高溫退火中的內部熱氧化過程，從而形成了比傳統相同劑量simoxsoi厚得多的氧化埋層。
  20. A study of the combustion characteristics of pulverized coal on the basis of tga - dsc - ftir coupled technology

    熱輻射對富氧擴散燃燒火焰結構和氮氧化物生成的影響
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