石墨形碳 的英文怎麼說

中文拼音 [dànmòxíngtàn]
石墨形碳 英文
graphitic carbon
  • 石 : 石量詞（容量單位, 十斗為一石） dan, a unit of dry measure for grain （= l00 sheng）
  • 墨 : Ⅰ名詞1 （寫字繪畫的用品） china [chinese] ink; ink cake; ink stick2 （寫字、繪畫或印刷用的顏料） ...
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  1. The allotropes of carbon include diamond, graphite and charcoal, all with the same chemical properties.

    碳的同素異形體包括金剛石、石墨和木炭，所有這些物質都具有相同的化學性質。
  2. 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。
  3. While if pulse laser ablation is applied, the output of mixed target is obviously more than that of plumbago target. the carbon nanotubes prepared by nano - tungsten catalyzer are very straight without any bent and their diameters are under 10nm. it is worth to pay more attention and need to study further

    其中以鎢作為催化劑原料與石墨混合製成固體靶，蒸餾水作為流動相時，得到的納米纖維狀產物直徑不到10nm ，而且形狀筆直，值得關注，目前國內外尚無以鎢作為催化劑成功制備納米一維碳材料的報道，因此該研究具有嶄新而廣闊的研究前景。
  4. The chemical compositions of sei films formed on the interfaces of a3000 samples in different electrolytes during the first charging process are mainly li2co3 and lioco2r, but their textures are different. the sei films formed in ec - based electrolytes are thin and compact, which can prevent the solvated lithium ions from cointercalating between two graphene layers of the graphite crystallites effectively, therefore samples a3000 have small irreversible capacities and good compatibilities with this kinds of electrolytes. however, the sei films formed in pc - based electrolytes are thick but defective, which could not effectively prevent solvated lithium ions from intercalation, therefore sample a3000 shows large irreversible capacities in pc - based electrolytes and bad compatibilities with this kind of electrolytes

    A _ （ 3000 ）試樣在六種不同的電解液中，首次充電過程中所形成的sei膜，其化學組分均為碳酸鋰和烷基碳酸鋰，但在ec基電解液中形成的sei膜薄而緻密，可以有效地阻止溶劑化鋰離子插入石墨層間，不可逆容量少，表現出與a _ （ 3000 ）試樣有良好的相容性；在pc基電解液中形成的sei膜厚，且有缺陷，不能有效地阻止溶劑化鋰離子嵌入試樣中石墨微晶的層間，不可逆容量大，與a _ （ 3000 ）試樣的相容性極差。
  5. When the two reactants were simply mixed by crush, they reacted violently and produced carbon spheres with a diameter of 50 - l00nm and sodium chloride ( nacl ) was encapsulated within the outer amorphous carbon shells, which could be confirmed by sem and tem. by annealing at 1400 ? to drive the encapsulated nacl away, hollow carbon spheres were left with a novel mesoporous structure, as presented in hrtem

    實驗中將兩種反應物通過直接擠壓混合后加熱反應，得到的無定型球狀碳材料經tem照片證實直徑為50 - 100納米，而且中間包裹氯化鈉（ nacl ）顆粒； xrd等結果顯示，高溫退火併徹底清除nacl后形成的中空碳球已經部分石墨化。
  6. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  7. According to the results of the interface action, the metals are classified as following three kinds. one is the affine metals that can react with the diamond to form steady carbides, such as ti, w, cr, mo etc. other is the inert metals that have not any action with the diamond, such as cu etc. the third is catalyst metals that promote the transformation of the diamond into graphite when the metals come into contact with the diamond at high temperature, such as fe, co, ni etc

    按照金屬與金剛石的界面作用結果，將典型金屬分為：與金剛石界面反應形成穩定碳化物的親和性金屬，如鈦、鎢、鉻、鉬等；與金剛石界面不反應的惰性金屬，如銅等；與金剛石界面接觸促使金剛石石墨化的石墨化金屬，如鐵、鈷、鎳等。
  8. The result of md simulation means that : ( 1 ) the microstructure in the amorphous carbon has no obvious change, the slippage which is parallel to the fiber axes in the graphite slices of the pyc interphase was found ; ( 2 ) bulk moduli of every part of interphase diminished, young ' s moduli in all three direction of amorphous carbon diminished, young ' s moduli of the graphite slices in the direction of parallel to the fiber radial decreased, and ones in the direction of parallel to the fiber axes increased

    分子動力學模擬結果表明， （ 1 ）界面相內部無定形碳部分微結構無明顯變化，石墨片層部分沿纖維軸向滑移； （ 2 ）界面相模量發生變化，界面相區域各部分的體積彈性模量降低，無定形碳部分及石墨片層部分垂直於纖維軸向的楊氏模量降低，平行於纖維軸向的楊氏模量升高。
  9. Curiously, in addition to graphite and diamiond, the existence of a new kind of elemental carbon in the form of football shaped molecules was predicted as early as the 1960s, but was not confirmed until 1985

    在1960年代已有人預言，碳除了以石墨和金剛石即鉆石的形式存在外，並能以足球的形式存在，其後在1985年獲得證實，並引起一連串籠形碳分子即富勒烯的科學研究。
  10. A little ferrite and cementite, through the analysis of the strengther and ductiler, we draw the conclusion that this is very important in reality, observing the graphite nodule in sem and tem, there are many spheroiding element and anti - spheroiding elements in the core and edge of graphite nodule, they form the oxides sulphide and nitride. we draw the conclusion that they may be the core of graphite nodule

    在掃描電鏡（ sem ）與透射電鏡（ tem ）上觀察石墨球，與傳統石墨球相比低碳球鐵的石墨球呈細小點狀分佈，球墨中心聚集有較多的球化元素而在邊緣處分佈有反球化元素。石墨球中心存在有氧化摘要一物、硫化物以及氮化物等組成的復雜的化合物，經分析認為它們是球狀石墨形核的有效核心。
  11. Graphite is the most common form of carbon

    碳最常以石墨的形態存在。
  12. Cyclic voltammetry ( cv ) and charge - discharge analysis also indicated that the full sei film formed on the surface of the mesocarbon microbead ( mcmb ) anode material in the first cycle

    循環伏安和充放電研究進一步表明，介穩相石墨碳微球負極材料表面在首次充放電過程中就形成了完整的sei膜。
  13. It composes of flat sheets of hexagons like an honeycomb beehive. it is a black substance which is used in paints, electrical apparatus and for the writing material in the middles of pencils

    在石墨中，每個碳原子與另外三個碳原子連接，產生了一層層類似蜂巢的六角形結構。
  14. Factor contributing to this problem is that the metal cobalt used as the cementing phase easily causes diffusion and dissolution of carbon, promotes graphite growth and inhibits diamond nucleation and growth in the course of competitive growth between diamond and graphitic carbon

    其原因是在沉積過程中，基體中所含的鈷會引起碳的溶解和擴散，從而導致金剛石成核密度的降低和石墨的形成。
  15. The natural form of carbon in cast iron is the free graphite flake form

    鑄鐵內的碳天然形式是游離石墨薄片形式。
  16. This low carbon content in cast steel does not allow the carbon to form as free graphite resulting in a laminate type of structure

    鑄鋼中的低含碳量使得作為游離石墨存在的碳不會形成結構薄片。
  17. Chemists had known for a long time that pure carbon normally came in two common molecules forms : graphite and diamond

    長期以來，化學家都知道碳以兩種常見的形態存在：石墨及金剛石。
  18. The analytic results of the effects on the micromorphological structure of the film by the electrochemical condition ' s showed that the carbon is apt to improve the boundary combination between the scfs and the surface of the cathode and the seperation of the films, and that the micromorphological structure of the mpgcfs is greatly affected by the dring and the power voltage, which remarkably affluence ion move in swelling cathode film, and that higher temperature and concentration of cu2 + in the medium solution are also advanagable to the deposition of cu in scfs. the plot of deformation behavior of mpgcfs showed that the maximum strench ratio decreases and the brittleness increases due to the existence of the metal phase, and that the strengh trend of the composite films is fistly up and down followed with the content of metal phase because of the change of the role of the metal phase from acting as the physical cross - linking to weakening the films due to destroying the whole structure of the polymer

    另外它作為基體的另一個突出的優點是制備的溶脹復合膜（ scf ）中的溶劑與電解液中的溶劑相同都是水，克服了以前膜內外不同溶劑之間擴散的問題，結果使得電流最終趨於一種穩態，因此可以更好實現用電化學條件來控制mpgcf的形態結構；硬質石墨材料的多孔的結構和石墨本身的結構性能特點使得碳作為陰極材料時有利於溶漲復合膜（ scf ）與電極表面的結合以及膜的剝離，因此是作為陰極的理想材料；電化學條件中的乾燥程度和電壓能夠明顯的影響離子在膜內的遷移，從而對mpgcf的形態結構造成較大的影響；而提高反應溫度和增大電解液中銅離子的濃度也有利於銅在膜中的沉積生長。
  19. Graphite is the stable form of carbon under low pressures, for example at the natural environment on the surface of the earth

    單以化學成分來看，鉆石和用來製造鉛筆蕊的石墨其實是近親。石墨是碳在低壓之下的穩定形態。
  20. At lower growth temperature, the lower extracting rate of carbon atoms from catalyst particles due to the lower activity of the catalysts resulted in more defects formed in carbon nanotubes. moreover, the lower transportation rate of carbon atoms in catalyst particles also made lots of carbon atoms deposited on the surfaces of grown carbon nanotubes, or on carbon wrapped catalyst particles, even to form amorphous carbon layers

    在較低溫度時，由於催化劑的活性較低，導致石墨面在生長過程中引入的缺陷較多；另一方面，碳原子在催化劑顆粒內遷移速率較低，使得多餘的游離態碳原子（或原子團）可能在納米碳管表面以非晶形式沉積，或者包覆催化劑使其「中毒」失去催化活性，或者直接形成非晶的碳納米顆粒。
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