碳擴散 的英文怎麼說

中文拼音 [tànkuòsǎn]
碳擴散 英文
carbon diffusion
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  • 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. In this dissertation, refining grains, depositing conductibility carbon film on the surface of the particles and doping mg ~ ( 2 + ) into the lattice of lifepo4 were adopted to improve the electro - chemical performance of the cathode material. the cathode material lifepo4 mainly has two flaws, the low conductibility and the slow li + ion diffusion, which have a bad influence on the performance of the cathode material

    論文主要針對制約正極材料lifepo _ 4性能的兩大致命的缺點，即低的電子導電率和低的鋰離子擴散速率，採取材料顆粒的細化、顆粒表面沉積碳導電層以及mg ~ （ ~ （ 2 + ） ）離子摻雜等措施對其進行改性探索，以提高正極材料lifepo _ 4的電化學性能。
  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. The once - poor world is scouring the earth for mineral rights, trying to buy californian oil firms, accounting for ever more carbon emissions and making its weight felt in international negotiations on everything from trade to proliferation to the secretary - generalship of the united nations

    這個一度貧窮的國家如今正在滿世界地尋找開采礦產資源的權利、想方設法購買美國加州的石油公司、不斷增加碳的排量並且努力使包括貿易洽談、防止武器擴散直至聯合國秘書長之爭在內的一切國際性談判事務都能夠感覺到它的存在。
  4. Chloride ion permeability coefficient of c20 concrete and c30 concrete reduces after concrete surface is treated by reinforcing agent, and soakage reduced too. so the impermeability and carbonization resistance of concrete, especial c20 concrete, increase

    塗刷耐久性增強劑后， c20和c30混凝土的氯離子擴散系數降低，吸水量減小，抗滲和抗碳化性能提高，其中，對c20混凝土的效果更為明顯。
  5. Test method for thermal diffusivity of carbon and graphite by a thermal pulse method

    熱脈動法進行碳和石墨熱擴散的試驗方法
  6. According to the i - t curves of potential step, it was revealed that electrocrystallization of ni - w - b alloy on glassy carbon followed the mechanism of instantaneous nucleation and three dimensional growth with diffusion controlled. the crystal nucleus number on the surface of electrode raised by the increase of over potential

    根據電位階躍的i t曲線分析得知，在玻摘要碳電極上ni wb合金電結晶過程遵從擴散控制瞬時成核三維成長模式進行，且隨著過電位的增加，電極表面上晶核數增多。
  7. The process by which the surface carbon concentration of a ferrous alloy is increased by diffusion from the surrounding environment

    從周圍環境中向鐵基合金表面擴散碳，從而使其表面碳濃度提高的工藝過程。
  8. The research results show that the radius of the gas channels and the electronic conductivity in carbon phase of the reaction layer, and the porosity of the gas diffusion layer are relatively less important

    研究結果表明氣體擴散層孔隙率，反應層氣體通道的半徑以及碳相中電子傳導率等參數的變化對電極性能影響不大。
  9. Diffusion coefficient of lithium in artificial graphite, mesocarbon microbeads, and disordered carbon

    中間相炭微球及無定形碳中的擴散系數
  10. 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。
  11. The calculated results show that the main reason why the g as carburizing process is accelerated is due to the obvious increase in the diff usion coefficient and transfer coefficient of carbon resulted from the addition of re

    稀土元素加速滲碳過程的主要原因是增加了碳在奧氏體中的擴散系數，同時提高了碳的界面傳遞系數。
  12. Abstract : a new simulating method is established for the calcul ation of the hardness profile of high - carbon - concentration deep - carburization, on the basis of analyzing this process and taking into account the influence o f carbide solution and dissolution, carbon - concentration and temperature on the diffusion behavior, and the influence of the environment factor on carbon trans fer through the gas - solid interface

    文摘:在對高濃度深層滲碳的特點進行分析的基礎上，考慮到碳化物的析出與溶解、溫度及碳濃度對擴散行為的影響，氣氛環境對相界面碳傳遞過程的影響，淬火烈度對滲碳層冷卻效果的影響，提出了一種新的模擬高濃度深層滲碳滲層硬度分佈的方法。
  13. According to the characters of transformations in solids, the ma process can be divided into three stages : physical fragment izing stage, diffusion and solid solution stage, and carbide forming stage

    根據相變特點將fe - cr - c三元合金的機械合金化過程分為三個階段：物理粉碎階段、擴散固溶階段和碳化物析出階段。
  14. 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。
  15. The concrete used in testing bridge is monitored and some performance at definite age including compressive strength, splitting fensile strength, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure by mercury porosimetry are tested. these performances are compared with that of concrete which designed by traditional method. the results show that mechanical properties of concrete designed by high durability concrete proportion and traditional method meet require ment at any age, however, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure of the former are better than the latter, so high durability concrete is economic benefit

    對試驗橋用混凝土的質量進行監控，並成型試件測量所需齡期內的抗壓強度、劈裂強度與抗凍融、抗鹽凍、氯離子擴散系數（ dcl - ） 、抗碳化等耐久性能指標及孔結構，並與傳統混凝土進行對比研究，結果表明:高耐久性混凝土及按傳統配合比設計的混凝土的力學性能均能滿足相應齡期的要求，但前者的抗凍融性能、抗鹽凍性能、抗碳化性能、 dcl -和孔結構明顯優於後者，並具有明顯的社會經濟效益。
  16. Chapter five introduces the detail technics process of synthesis of carbon nanotubes by using liquid - hydrocarbon diffusion flame. chapter six discusses and analyzes the effects of every technics paramenters on the nanotubes produced by using liquid - hydrocarbon diffusion flame. chapter seven analyzes the sem and tem micro - appearances of the nanotubes produced by liquid - hydrocarbon diffusion flame and draws the conclusion of the nanotubes " cluster growth mechanism. chapter eight analyzes the sem and tem micro - appearances of the nanofibes produced by liquid - hydrocarbon diffusion flame, and considers that the growth mechanism of nanotubes and nanofibers is different

    第六章討論和分析了液態碳氫化合物燃料擴散火焰法制備碳納米管時具體各項工藝參數的影響。第七章分析了擴散火焰法制備碳納米管的sem形貌和tem形貌，歸納出碳納米管團簇生長的規律。第八章對六種基板材料在擴散火焰中制備出的碳納米纖維的sem形貌和tem形貌作了分析討論，認為擴散火焰法制備碳納米管和碳納米纖維的形成機理不同。
  17. The time of carbonization from surface of concrete structure to surface of steel bar in concrete structure was taken as a durable limit. random characteristic of the limit was analyzed, based on which reliability index of carbonization in different servicing time was calculated and many relevant factors were discussed in two examples

    根據co _ 2擴散及鋼筋銹蝕的機理，把碳化至鋼筋表面的時間作為混凝土結構的耐久極限，通過計算其分佈特性，分析了鋼筋混凝土結構在不同服役期的碳化可靠指標以及影響鋼筋混凝土結構碳化可靠性的因素。
  18. And considerable work has been done hi the growth behaviour in the tetrachloride solution concluding studies of crystal growth and growth kinetics. a crystal of dimensions 20mm x 20mm x 1mm was produced hi the tetrachloride solution by lowing temperature. and bcf spiral growth mechanism for the surface diffusion model was analyzed using the kinetic data

    本文以苯為溶劑溶液降溫法培養出了60mm 40mm 3mm大尺寸hhm單晶；另外探討了hhm在四氯化碳溶液中的生長行為，溶液降溫法培養出了20mm 20mm 1mm的較大尺寸單晶，並用動態循環體視顯微鏡觀察法測定了其在不同的過飽和下主要顯露晶面的法向生長速率，在較大過飽和度范圍內考察了其bcf表面擴散螺位錯生長機制。
  19. The equipments and the wall of diffusion pump are made of stainless steel with wearable performance and simple operation, fit for plating aluminum alloy products, such as the titanium nitrides, titanium carbide, zirconium nitrides, chromium nitride, titanium, nickel, chromium and copper etc

    設備和擴散泵泵壁採用不銹鋼結構，持久耐用，操作簡單，非常適用於鍍制鋁合金製品，可以鍍制氮化鈦碳化鈦氮化鋯氮化鉻及鈦鎳鉻銅等等。
  20. Influence of some parameters are analyzed, such as : d ( diffusion rates ), v ( coefficient of convection ). double or three compartments model of soc is used. it is found that the diffusion process for different compartments of organic carbon in soil is very differently. this model could also calculated the accumulation of soc in soil per year, which is helpful to understand the dynamic process of organic carbon storage in soil

    最後一章本論文對新老有機碳在土壤當中的遷移積累進行了數值模擬，分析了不同參數對有機碳擴散的影響，得到了不同年齡的有機碳在土壤中的分佈規律，這為進一步預估中國土壤中的有機碳動態變化打下了基礎。
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