石墨化度 的英文怎麼說
中文拼音 [dànmòhuàdù]
石墨化度
英文
graphitizing grade-
The results showed that the addition of boracic acid can increase the oxidation resistance and tensile strength of the flexible graphite, however, it has few effect on the other properties of the flexible graphite
實驗表明,添加劑硼酸使柔性石墨材料在抗氧化性方面具有明顯的優越性,抗拉強度有所增加,而對其它性能的影響不大。The boracic acid was used to prepare flexible graphite and the effect of amount of boracic acid addition on expanded volume, oxidation resistance, specific resistance and tensile strength of the fexible graphite obtained were analysed
摘要初步探討了製造柔性石墨材料過程中加入添加劑硼酸的方法,並就硼酸的加入量對其膨脹倍數、抗氧化性、電阻率、抗拉強度等的影響進行了比較和分析。The complex formed by cnbr - activated alginate and antibody is aggregated to the surface of the paraffin - graphite - chitosan electrode by electrostatic adsorption ( coacervation ). the concentration of sjag can be detected by determining the redox current of o - aminophenol, which oxidized by h2o2 in the presence of hrp. moreover, the immunosensor shows some improved performances including high sensitivity, selectivity and less non - specific adsorption
褐藻酸鈉?抗體復合物通過靜電吸附作用被凝集到含石墨?石蠟?殼聚糖組分的電極表面,然後與抗原和酶標抗原進行競爭反應,以鄰氨基酚為電子媒介,通過測定酶催化下雙氧水對其氧化的電流大小來間接測定抗原的濃度。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。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 sandwitch or competitive immunoreaction. the surface of immuno - sensor can be renewed by used in a new immunoassay
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。This paper provides equipment optimization design - aside technical scheme of two - appulse - one hydrogen chloride synthesis furnace system by studying the relation of graphite cooling pipe length and productive forces with diversity graphite chiller
摘要對二合一氯化氫石墨合成爐系統中採用不同形式石墨冷卻器條件下石墨冷卻管設置長度與系統生產能力的關系進行了工程研究,提出了系統設備優化設置的技術方案。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 。Four kinds of c / c composites with different preparation techniques were graphitized at 2400 - 2880. the relations between magneto - resistance and orientation ( the angle between surface of samples and magnetic field ), measure temperature, the intensity of magnetic field ( b ) were studied for each sample. the micro - structure and x - ray diffraction pattem were investigated too
本論文在對制備工藝不同的四種碳/碳復合材料樣品進行2400 2880的石墨化處理后,應用ppms ( physicalpropertymeasurementsystem )研究了測試位向(試樣某特定面和磁場方向夾角) 、測量溫度以及外加磁強對材料磁電阻特性的影響,同時研究了各試樣的微觀結構和x射線衍射譜圖。In order to make investigators know about the current research state of preparation of the carbon / graphite materials with high density and strength from mesocarbon microbeads, and direct the research, development and production, in this review, the influence of preparaed mesocarbon microbeads from various raw materials and methods of preparation, ball diameter of carbosphere, preoxidation temperature and time, moulding pressure and time, heat treatment temperature and heating rate, holding time on the mechanical properties and microscopic structure of carbon / graphite product were discussed by us
摘要為了對中間相炭微球制備高密高強炭石墨材料的研究現狀有所了解,並且對實驗和實際生產起到指導作用,本文通過參閱大量中外文獻,討論了不同原料及制備方法制得的中間相炭微球、炭微球的球徑、預氧化溫度及時間、成型壓力及時間、熱處理溫度及升溫速率、保溫時間對炭石墨製品的力學性能及微觀結構的影響。It was showed that the basic varying law of graphite morphologies is as follows : with increasing of growing rate of graphite crystal along direction of [ 0001 ], the morphologies of graphite change from flack shape vermicular shape spheroidal shape explosive shape superspheroidal shape
研究得出,鑄鐵中石墨變態的基本規律是:隨著石墨晶體沿[ 0001 ]方向生長速度的增加,石墨由片狀石墨蠕蟲狀石墨球狀石墨開花狀石墨過球化石墨。Craphite anode has the properties of superior electric conductivity, excellent anticorrosion, antioxidation, and high mechanical strength. lt is typically used as an anode in the electrolysis of aqueous sodium chloride
石墨陽極具有導電性性好、耐腐蝕、抗氧化、機械強度高等性能,主要用於電解食鹽水溶液的電解槽內作陽極使用。Starting with the research on the characteristics of frequency spectra of the ip field as well as charging - discharging time and based on experiment results, the authors summed up frequency spectra, time spectra and decay rate characteristics of sulfide mineralized bodies ( chalcopyrite ) and graphite - bearing dolomitic marble, and detected new parameters for qualitative evaluation of ip anomalies
摘要從研究激電場頻譜特徵及充、放電時間特徵出發,根據實驗觀測結果,總結了硫化物礦化體(黃銅礦)及含石墨白雲質大理巖等巖性的頻譜特徵及充放電時間特徵,探索到新的定性評價激電異常源參數頻率譜及時間譜、視衰減速度。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。As the eutectic time increases, the graphite morphology departs from sphericity to the abnormal morphology, and the roundness of the graphite particles decreases as well
隨著共晶時間的延長,鑄件的石墨形態逐漸偏離球形,向異常化趨勢發展,石墨顆粒的圓整度隨之降低。By the analysis of coating ratio, oxidation ratio, micrograph and particle size of composite particle, it was found out that factors such as ph value, coating temperature, concentration of premonitory matter solution mainly affect the coating layer forming
通過包覆率、氧化失重率、形貌觀察、粒度和比表面積等分析發現,非均勻成核過程中溶液ph值、包覆溫度、覆層前驅物濃度等這幾個因素對石墨表面覆層形成有著重要影響。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。Determination of silicon oxide in middle carbon flake graphite. molybdenum blue photometric method
出口中碳鱗片石墨中二氧化硅的測定.硅鉬藍分光光度法The study of graphitization degree of c c composites recent adv ances
炭復合材料石墨化度的研究進展The braking moment of the former under wet condition raises to that under dry condition rapidly for its better microstructure with little water molecule adsorbed in defect, the adaptability to environment is stronger than that of the carbon / carbon composites with smooth lamina
前者的石墨化度及可石墨化能力均大於後者,由於前者的表面缺陷較少,所吸附的水分子較少,因而在濕態下剎車時,其剎車力矩將很快恢復到正常干態剎車時的力矩水平,對環境的適應能力大於光滑層結構的炭炭剎車副。Using xrd and raman spectrum, in the temperature range of 650 - 850, the rule of graphitization of multiwalled carbon nanotubes synthesized by catalytic decomposition of c2h2 was found : graphitization of multiwalled carbon nanotubes was improved with the increase of growth temperature
採用xrd和raman光譜,在650 - 850溫度范圍內,研究了催化裂解乙炔法制備的多壁納米碳管的石墨化程度變化規律,結果表明納米碳管的石墨化程度隨生長溫度的提高而提高。分享友人