石墨烯 的英文怎麼說

中文拼音 [dàn]
石墨烯 英文
graphene
  • : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
  • : 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) ...
  • : 名詞[化學] (有機化合物的一類) alkene; olefince
  1. We select polyethelyne as fundamental resin, natural scale graphite, expanded graphite by self - made, expanded graphite as conductive fillers to synthesize conductive composite through different techniques of compound mixing. the effects of the conductive composites of different conductive fillers and the different dosage of conductive fillers, different technology and the different dosage of compatibilizer ( mah grafted pe ) were studied respectively

    本論文就是據于這種思考,選用聚乙為基體樹脂,天然鱗片、膨脹、膨化為導電填料,通過選用不同的混合方法合成復合導電材料。研究了不同的導電填料及其用量、不同的工藝方法及相容劑的不同用量對復合體系性能的影響。
  2. In attempt to prepare and investigate the novel high - performance electrically conductive polymer composites, the binary and multicomponent electrically conductive nanocomposites as well as the combined nano and in - situ composites were prepared with polypropylene ( pp ) served as the matrix, expanded graphite ( eg ) as a conductive filler, nylon 66 ( pa66 ) as a modifier, and maleic anhydride grafted polypropylene as an eg intercalater and the compatibilizer of pp - pa66, based on the state - of - art development in the realm of polymer / inorganic nanocomposites and polymer / polymer in - situ composites domestically and overseas. the main outcomes are obtained as follows : 1

    本論文以制備和研究新型高性能聚合物導電復合材料為目的,跟蹤和借鑒國內外在聚合物無機物納米復合、聚合物聚合物原位復合領域的最新研究成果,制備和研究了以聚丙( pp )為基體、膨脹( eg )為導電填料、尼龍66 ( pa66 )為改性劑、馬來酸酐接枝聚丙( gpp )為eg插層劑和pp ? pa66增容劑的二元及多元導電納米復合材料和納米復合與原位復合組合復合材料,取得了以下主要研究成果: 1
  3. After looking up a large amount of native and foreign information, the materials used in the experiment were as follows : ptfe base, graphite filler, molybdenum disulfide filler, copper powder filler, carbon fiber and so on. the experimental method is that the formula was designed according to uniform experimental method, the relationship between formula and frictional property was found with spline function and then the representative test points were chosen from fitting curve to make verification test for optimization. the preparative technique of solid lubricant is cold - press sintering method

    經過查閱大量國內外文獻資料后確定原料為:聚四氟乙樹脂為基體,加入、二硫化鉬、銅粉、碳纖維等填料;試驗方法為:根據均勻試驗方法設計配方,用樣條函數找出配方與摩擦性能的關系,然後在擬合曲線上選取具有代表性的試驗點進行驗證試驗,達到優化的目的;制備工藝:冷壓燒結法制備固體潤滑劑。
  4. 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,其摩擦系數均較高,說明銅粉和應該配合使用;當銅粉15份、60份時,銅粉30份、30 - 40份時,銅粉60 、15 - 30份時,摩擦系數均具有較低值;純聚四氟乙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、少量聚四氟乙、 moo 。
  5. Gasket mainly includes rubber asbestos gasket, metal winding gasket, metal ? coated gasket, graphite compound gasket, ptfe gasket, tooth - type gasket, lens gasket, octagon gasket as well as ellipse gasket

    密封件主要有金屬纏繞墊、金屬包墊、高強復合墊、聚四氟乙包覆墊、齒形墊、透鏡墊、金屬環墊、八角墊、橢圓墊、橡膠棉墊及填料墊。
  6. 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,碳除了以和金剛即鉆的形式存在外,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的科學研究。
  7. Some additives such as graphite, ptfe and csno3 can improve obscuring effect of smoke screening in infrared waves. furthermore, some formulas entered nano ferric oxide can largely improve the effect of infrared extinction

    指出金屬鎂粉優于其它金屬粉;三氧化二鐵和二氧化鈦是較好的氧化劑選擇;、聚四氟乙和硝酸銫的添加有利於提高發煙劑紅外遮蔽能力。
  8. The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation, the violet visible spectrophotometer, the laser particle size analyzer and scanning electron microscopy ( sem ). the following aspects of the production technique were carefully studied : 1. the effects of surfactants, poly ( vinyl alcohol ) ( pva ), poly ( vinyl pyrrolidone ) ( pvp ), sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated

    本研究的主要內容有以下三個方面: 1 、研究了陰離子表面活性劑、非離子表面活性劑、聚乙醇( pva ) 、聚乙基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙酸鈉( pa - na )對在水中分散性和穩定性的影響; 2 、研究了分散方法、分散介質、 ph值及羧甲基纖維素鈉( cmc )含量對在水中分散性和穩定性的影響; 3 、研究了聚乙醇( pva ) 、聚乙基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙酸鈉( pa - na )四種助分散劑與羧甲基纖維素鈉( cmc )復配對在水中分散性和穩定性的影響。
  9. Are adjustable gaskets for electric machine made of epoxy board, vulcanized fiber paper, cloth board and polytef with graphite and other insulative materials

    採用環氧板紅鋼紙板布板和聚四氟乙等絕緣材料沖製成的電機用調整墊圈
  10. Made of high - speed mixing polytetrafluoethylene resin and a certain volume of filling agent ( such as carbon fiber, graphite, molybdenum disulfide, glass fiber and bronze powder etc. ) shaped by moulding then through high heat sintering

    用聚四氟乙樹酯與一定量的填充劑(如:碳纖維、、二硫化組、玻璃纖維、青銅粉等)經高速混合均勻後用模塑成型經高溫燒結製成。
  11. Established in 1978, we are one of the chinese manufacturers specialized in sealing packing, ptfe products, asbestos products, graphite products, rubber products, gasket, and other insulation, safety sealing materials

    餘姚市騰密封製品廠創建於1978年,是專業生產製造密封盤根,聚四氟乙製品,棉製品,製品,橡膠製品及其他絕緣密封材料。
  12. Packing : teflon or graphite packing protected from low temperatures by a column of insulating gas

    填料:通過保溫絕緣氣體來保護聚四氟乙免受低溫影響。
  13. In attempt to prepare and study the novel electrically conductive nanocomposites, with polyethylene ( pe ) served as the matrix, maleic anhydride grafted polyethylene ( gpe ) served as eg intercalates and expanded graphite ( eg ) served as a conductive filler, prepared gpe / eg, pe / gpe / eg electrically conductive composites via solution intercalation ( si ), direct melt mixing ( dmm ) and master batch melt mixing ( mmm ) methods. by means of testing conductivity and mechanical property, with the measures of tem, sem, om, xrd and dsc, studied the relationship between preparation method, material composition, and electrically conductive as well as mechanical property. the main outcomes never reported at home and abroad literature were obtained as follows : 1 the gpe / eg electrically conductive nanocomposites were prepared via si method

    本論文以制備和研究新型高分子導電納米復合材料為目的,以聚乙( pe )為基體,馬來酸酐接枝聚乙( gpe )為插層劑,膨脹( eg )為導電填料,採用溶液插層( si )法、直接熔體混合( dmm )法和兩者相結合的熔體母料混合( mmm )法制備了gpe eg 、 pe gpe eg導電復合材料,通過電導率和力學性能測試,運用tem 、 sem 、 om 、 xrd和dsc等手段,研究了制備方法、材料組成、形態結構和導電性能及力學性能之間的關系,得到以下未見國內外文獻報道的研究結果: 1採用si法成功制備了gpe eg導電納米復合材料,其導電逾滲閥值( _ c )為1 . 59vol ,遠低於dmm法制得gpe eg常規復合材料的_ c ( 3 . 13vol ) 。
  14. And the mould pressing parameters were found out. the friction and wear performance and wear mechanism of wearable composite varying with the content of uhmwpe, graphite, and cf are studied recuring to friction and wear tests, tga and sem

    藉助材料的摩擦磨損試驗和tga 、 sem等表徵手段對超高分子量聚乙和碳纖維的用量改變時不同耐磨復合材料的摩擦磨損性能及磨損機理進行了研究,最終確定了減摩耐磨復合材料的最佳配方。
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