表面碳化 的英文怎麼說

中文拼音 [biǎomiàntànhuà]
表面碳化 英文
case carbonizing
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. Based on the principle of mechano - chemistry, the strong shock and crashing mechanical force produced by ls - 250 pulverizer can act to the surface of superfine carbon and white carbon particles during the process. the result of the experiment indicated that distortion and amorphism change occur to the surface crystal lattice of carbon particles, and the phenomena are prick up as the action time of mechano - chemical force

    依據機械化學原理利用ls一250型流能粉碎機高速旋轉的動齒工作過程中產生的強烈沖擊、碰撞機械力，使其作用於超細石墨及白碳黑顆粒表面，檢測表明，石墨粒子表面晶格發生畸變及無定形化，且隨著機械力作用時間的延長而加劇。
  2. Glucose biosensors were then constructed by these nanocomposites, and their electrochemical properties had been explored. secondly, the self - assembled nanocomposite was formed by mwnts and biopolymer, and was used to study the electrochemical properties of nadh. and finally, the modified electrode which was formed by immobilizing small molecular onto electrode surface, was used to detect dsdna in the solution

    本論文首先，將多壁碳納米管（ mwnts ）與納米顆粒相結合，制備的納米復合材料用於構建葡萄糖生物傳感器，並研究了它的電化學性質;然後，將mwnts與生物聚合物自組裝制備的納米復合材料用於研究nadh的電化學性質;最後，本文還將小分子自組裝固定在電極表面，用於測定溶液中的dsdna 。
  3. It is a heavyweight detergent that contains active emulsifying agent and rust - curbing agent it can easily rid grease paraffin carbon spots dyestuff and mold spectacles of the mechanic equipment metal surface or any ornamental surface it can be easily used and has an obvious effect with respect to its economy and security it works better when diluted with warm water

    本品屬重量級除漬去油污劑，經含有強力滲透表面活性乳化劑和銹抑制劑，極易去除機械設備、金屬表面、任何裝飾表面、油脂、石蠟、碳跡、染料、霉斑等污物，使用方法簡單，清洗效果顯著，而且及其安全經濟，溫水稀釋效果更佳。
  4. In the investigations on laser cladding, experiments and analyses of laser clad nickel - based alloys and nickel - based ceramal composite alloys on steel substrates were performed to improve wear - resistance and corrosion - resistance properties of the coatings

    以提高材料表面的耐磨、耐蝕等性能為目的，採用預置和送粉熔覆工藝方式，對常用的鎳基合金和鎳基碳化鎢金屬陶瓷合金塗層進行系統研究。
  5. The sodium silicate makes the cork stick to the mold surface and also helps to withstand the charring action of the molten lead alloy.

    硅酸鈉能使軟木粉粘結在模具表面，而且還有助於軟木粉耐受熔融鉛合金的碳化作用。
  6. 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。
  7. Effect of surface characteristics of carbon fiber on immobilization of denitrifying bacterium

    碳纖維表面特性對反硝化菌固著化的影響
  8. This phenomenon was closely related to the transportation and extraction rate of carbon atoms in the surface of catalysts at different temperatures

    這種現象與不同溫度下碳原子在催化劑表面的遷移和析出速率密切相關，也即與不同溫度下催化劑的活性有關。
  9. The development of renewable amperometric is a possible way to circumvent the problem. here, antigen ( antibody ) is immobilized with graphite ( carbon ) and carrier on a transducer, the analyze is measured through on enzyme catalytic reaction after sandwich or competitive immunoreaction

    將抗原（抗體）與石墨或者碳固定在載體材料中，在一個競爭性的或者夾心式的免疫反應后，將酶標抗原（抗體）鍵合在傳感器表面，通過一個酶催化反應來確定待測抗原（抗體）的濃度。
  10. The particles distributed hi the matrix of grey cast iron, but some contact each other. the composite layer extend gradually into the substrate. when volume fraction of wc is 36 wt % and 27 wt %, the matrix of the composite is high chromium cast iron, consist of white carbide bars and the austenite. wc particles distributed uniformly, retaining approximately quondam granular form in the composite layer which has an evident interface area with the substrate, with good bonding strength

    對不同碳化鎢體積分數的灰鐵和低鉻鑄鐵基復合材料的微觀組織結構分析表明：碳化鎢體積分數為52時，復合層內基體為灰口鑄鐵組織，顆粒直接分佈在灰鐵基體上，部分碳化鎢顆粒有相互接觸的現象，基材與復合層之間沒有明顯的過渡；碳化鎢體積分數為36 、 27時，復合層內基體為高鉻鑄鐵，由面塊狀的奧氏體和白條狀碳化物組成，碳化鎢顆粒表面固溶於基體組織中，粒形基本保持完整，分佈均勻，與基體構成冶金結合，基材與復合層之間存在一個明顯的平緩過渡區。
  11. 2 a set of shot - blasting descaler with annual output of 250 thousand tons, which takes the lead in domestic technology. it may remove of scale in the surface of silicon steel and carbon steel coils, whose sizes are 20 tons in weight, 1500 mm in width and 1. 5 to 4mm in thickness

    2國內領先技術的噴丸除鱗機組一條，年產量25萬噸，可清除卷重20t ，寬度1500mm ，厚度1 . 54mm的硅鋼普碳鋼卷表面氧化皮。
  12. Specification for aircraft material - carbon case - hardening steel

    飛機材料規范.表面硬化碳鋼
  13. After forming, they receive adequate surface hardness through heat treatment. such hardening is made possible by carburizing. these case - hardening steels are an important group of materials for mold cavities

    成形后，鋼經過熱處理得到足夠的表面硬度，這種硬化常通過滲碳的方式進行，這種表面硬化鋼是一種很重要的模具型腔製作材料
  14. Erosive resistance of grey cast iron matrix composite has been investigated, on the condition of different volume fraction of wc and erosive angles and volume fraction of. the results showed that, the erosive resistance of composite with volume fraction of 27 wt % was the best ; volume abrasion rate of composites with different erosive angles was maximum at 50 angle, but volume abrasion rate was less at 0 and 70 angle ; on condition of the same volume fraction of wc and larger size of quartz sand in slurry, volume abrasion rate increased

    結果表明：碳化鎢體積分數為27的灰鐵基復合材料的耐沖蝕磨損性能最佳；不同沖蝕角下復合材料的體積碳化鎢顆粒增強鐵基表面復合材料及其沖蝕磨損性能研究摘要磨損量在50 「沖蝕角處最大，在0 」和70 」沖蝕角處較小；在碳化鎢顆粒體積分數相同的情況下，當漿料中的石英砂粒度大時，其體積磨損量增大。
  15. Strengthening mechanism of ion nitriding is different from surface quenching and cementation, which makes surface strengthen by quenching to get martensite. ionic nitriding is the way to make materials strengthe n, which result from the steady compound formed on the surface of the metal. there is no need for quenching after treatment

    離子滲氮的強化機理不同於表面淬火，滲碳等表面熱處理方法，這些方法必須進行淬火得到馬氏體使表面強化，而離子滲氮是在金屬表面形成穩定化合物而使材料強化，處理后不須淬火。
  16. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。
  17. Eddy current testing is a method suitable for testing changes occurred in the surface or subsurface of specimen. when using this method to test carburized components, the variable of eddy current signal is depend on the change of constituents " physical property in carburized layer. so it can be used to test carburized components nondestructively

    渦流檢測是一種適用於試件表面和近表面變化的檢測方法，利用渦流方法檢測滲碳件時，渦流檢測信號的變化主要取決于滲碳層組織的物理特性的變化，所以渦流檢測方法可以對金屬表面滲碳層深度進行檢測而不構成任何破壞。
  18. It shows the nanometer particles have automation to make the friction surface in a comparatively even state. 4 ) through tribology chemistry function, the nanometer cacoj and cao particles form a deposited film on the wear scar ' s surface or strengthen the surface through a small amount of metal ca ' s diffusion to improve the friction surface ' s a

    （ 4 ）納米碳酸鈣和納米氧化鈣粒子通過摩擦過程中的摩擦化學作用在磨斑表面上形成了沉積膜，少量金屬鈣通過擴散作用滲透到鋼基體表面，形成表面強化層，提高了表面的耐磨性。
  19. In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2

    為了在低溫下制備高質量的氧化鋅薄膜，我們採用金屬有機源和二氧化碳氣源，首次利用等離子體增強化學氣相沉積的技術在低溫下制備了高質量的氧化鋅薄膜，系統地研究了生長條件以及襯底表面氧化層對薄膜質量的影響，確定了生長高質量氧化鋅薄膜的優化條件；為獲得p - zno材料，克服在zno中摻n雜質間相互作用影響摻雜效率不易獲得p - zno的困難，我們通過熱氧化zn3n2的方法制備了p - zno ，獲得了一系列研究結果： 1 、詳細研究了氣體流速比，襯底溫度和射頻功率實驗參數對氧化鋅薄膜特性的影響。
  20. The graphite is covered with a thin film of disordered carbon according to the measurements of xrd, bet, particle size analysis and scanning electron micrographs ( sem ). sugar and phenol resin are used as the precursors of the shell - carbon materials. structure and performance of composite structure carbon material are studied in detail

    提出邊緣碳原子及表面碳原子含量對炭材料嵌理性能的作用機理，並導出該機理的具體表現形式，即炭材料的形貌、比表面積、顆粒大小、有序化程度等結構與物理特性對炭材料的嵌貍性能的影響。
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