graphite size 中文意思是什麼

graphite size 解釋
石墨晶粒大小
  • graphite : n 【化學】石墨,黑鉛,炭精;鉛筆粉。 colloidal graphite膠體石墨。 graphite electrode 【電學】石墨...
  • size : n 1 大小,尺寸規模身材。2 (鞋帽等的)尺碼,號;(紙張的)開。3 巨大,大量;相當大的分量。4 〈口...
  1. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法,對國內外多種典型石墨樣品的結構與性能進行比較,研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響,確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  2. Method for size distribution of colloidal graphite for kinescope

    顯象管石墨乳試驗方法粒度試驗方法
  3. Porous coating graphite mould of round and special profile ( for horizontal continuous casting of medium - size and small profiled materials, incrdase work efficiency )

    多孔圓形、異形塗層石墨模具,用於中、小型的型材水平連續鑄造,可有效提高工效。
  4. 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、聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙烯酸鈉( pa - na )對石墨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 )含量對石墨在水中分散性和穩定性的影響; 3 、研究了聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙烯酸鈉( pa - na )四種助分散劑與羧甲基纖維素鈉( cmc )復配對石墨在水中分散性和穩定性的影響。
  5. With the optimum parameter, the obtained composite particle have many changes compared with uncoated graphite, such as the increase of coating ratio, particle size and decrease of specific surface area, et al

    在最佳包覆工藝條件下,所得復合粉體相對未處理石墨氧化物含量(包覆率)增加、粒度增大與表面積減小。
  6. A solid - state shear compounding technology based on pan - milling ( s3c ) has established, by which the graphite with weakly combined structure are exfoliated and then compounded with pp at nanoscale. the obtained pp / graphite nanocomposites have greatly enhanced electrical and thermal conductivity. their structures and properties were characterized by analysis of particle size and distribution, sem, tem, xrd, the electrical conductivity, the thermal conductivity and heat - decomposition temperature etc. by taking advantages of the layered inorganic fillers with a weak interaction between layers ( e. g

    磨盤碾磨剪切力場使pp分子鏈斷裂,相對分子質量減小,石墨的導熱和潤滑性能抑制pp的降解和粉碎,使pp / yep250 (膨脹石墨250倍)復合粉磨盤碾磨固相剪切復合技術及導電導熱pp /石墨納米復合材料的制備與性能體中, pp分子運動活性提高,結晶能力增強,為pp在熔融加工中進一步向己剝離的石墨片層間擴散,形成納米復合結構創造了條件。
  7. The processes influencing the particle size, distribution of micro - prwder of graphite is studied by orthogonal layout in this paper. for certain particle distribution, the optimizing process is scheduled

    本文綜述了我國在煤系高嶺土的煅燒、超細磨工藝等方面的研究現狀、煅燒高嶺土的用途、以及研究中存在的問題。
  8. The charging - discharging curves look like the letter " v " and have no flat plateaus due to the different sizes of the micropores. increasing the httmax, the micropores in ant samples become fewer and smaller, therefore the charging - discharging capacities decrease. when httmax = 2100, the charging - discharging capacity reaches the minimum since the number of the micropores reaches the minimum and the size of them become very small, the number of graphite crystallite in ant samples is still few and the size of them is also small

    在htt _ ( max ) 2100的范圍內, ant試樣屬于亂層結構,石墨微晶尚未出現或數量很少,貯鋰機制為「孔隙貯鋰」 ,由於孔隙的大小不一,插鋰時克服阻力所需的電位也不同,因此充、放電曲線呈「 v 」字形,無平穩的充、放電電位平臺;隨著htt _ ( max )的增大,試樣中孔隙逐漸變小、變少,充、放電容量也逐漸變小。
  9. As the temperature and the soak time increasing, crystallite size, graphitic degree and average particle size of the graphite increase, while specific surface area decreases. the electrochemical performance of modified graphite is improved with the change in structure and surface characteristics

    結果表明,隨著熱處理溫度的升高和恆溫時間的延長,石墨材料的石墨化度、石墨微晶尺寸l _ c及l _ a逐漸增大,比表面積減小,平均粒徑增大,充放電性能得到改善。
  10. 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。
  11. The latter structure is composed of polycrystalline graphite in fact. a large amount of sic > 2 single crystals with the size of lonm appears in the film when the time of the post - heating is increased to five hours

    當退火時間延長到5個小時,薄膜的結晶度和600退火一個小時的薄膜相類似,不過,薄膜中大量存在的是10nm左右的sio2晶粒。
  12. Al2o3 ceramic wafer substrate had average pore size about 10 m and upper porosity over 40 %, which was added pore - forming agent of graphite and shaped by pressing

    採用壓製成型制備的添加石墨成孔劑的圓片狀al _ 2o _ 3陶瓷支撐體具有較小的平均孔徑( 10 m左右)和較高的孔隙率( 40以上) 。
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