纖維狀碳 的英文怎麼說
中文拼音 [xiānwéizhuàngtàn]
纖維狀碳
英文
fibrous assembly-
The bottom edges of the endplates are mated to another winglike device, the lower main plane, which in turn is attached to the rear crash structure ? a carbon fibre cone bolted onto the gearbox
終板末端邊緣被設計成與另一個翼狀地設備相配合，這個翼狀設備是一個較低的平面，附著在尾部碰撞結構上? ?變速箱上面的碳纖維錐形螺釘。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。First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed
）的全過程關系曲線。其次基於上面的三個假定，選擇合理的本構關系，利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析，分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。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 。The content of this paper contains : chapter one introduces the basic concepts, developing course, research significance, application foreground and the present research state of other countries in the world. chapter two introduces the structure characteristic and the performances and applications in the areas such as mechanics, physics and chemistry, then analyzes the present state, existing problem and developing trend of nanotubes research. chapter three introduced several synthesis methods and purification methods of nanotubes and nanofibers detailedly. chapter four concentrates on the research of two foreign research groups who use carbon - hydrogen gases flames to produce carbon nanotubes
論文的主要結構如下：第一章介紹了納米材料科學的基本概念、發展歷程、研究意義、應用前景及世界各國的研究現狀。第二章闡述了碳納米管的結構特徵以及力學、物理和化學等各方面性能和應用，並且分析了碳納米管這種新型碳材料研究目前現狀、存在問題及發展趨勢。第三章詳細介紹了碳納米管和碳納米纖維的幾種傳統制備方法及純化方法。Through an actual case of re - construction of a workshop in a coal preparation plant without interrupting the production, where cf reinforcement technique was applied, the computing verification of the reinforced concrete beams and manipulation of cf materials in construction are introduced in this paper
摘要通過對某礦選煤廠準備車間在不停產狀態下施工實例，應用碳纖維加固技術，對梁板結構進行了結構計算驗證，並對碳纖維加固施工進行了介紹。This paper intends to review the new development of polyacryonitrile - based carbon fibers which in the fields of development situation, manufacture process and the application of carbon fiber cloth in concrete construction
摘要本文主要從聚丙烯腈基碳纖維的國內外發展現狀，工藝技術概況和碳纖維巾片在建築結構物的補強應用3個方面介紹了聚丙烯腈基碳纖維的新進展。Final results indicated that the way being fit for plating copper on the surface of carbon fibers was that carbon fibers were oxidized in hot air and boiled in nitric acid at high temperature
試驗發現採用熱空氣和濃硝酸聯合氧化的方法可使碳纖維獲得適于鍍銅的表面狀態。State - of - the - art in strengthening technology with carbon fiber reinforced polymers
碳纖維材料加固技術的研究現狀Also the regulations of stain and resistivity of smart composite with additives of continuous carbon fiber and graphite are analyzed
本文還對連續碳纖維、鱗片填料在拉伸狀態下應變與體積電阻率之間的變化關系進行了研究和分析。This paper mainly study two kinds of smart materials which are both reinforced by chopped carbon fiber mat but use two different kinds of polyester resin as matrix and discuss the influence of content of carbon fiber on conductivity. focus on the relationship between strain and volume resistivity under tensile condition influenced by the factors such as resin matrix and fiber content
研究了其含量與導電性之間的關系；重點對不同基體樹脂材料及不同碳纖維含量等因素對復合材料在單軸拉伸條件下，拉伸狀態下應變與體積電阻率之間的變化關系進行了研究；確定了電阻率與應變之間變化的數學關系。The regressive equation that described the relationship between resistivity and strain are determined. to prove the applicability of the relationship, we composite the conductive composite material prepared by chopped carbon fiber mat with glass fiber reinforced composites of different strain character and study the relations of strain to resistivity under tensile stress
為證實該關系的適用性，通過將短切碳纖維氈制備的導電復合材料與具有不同應變性能的玻璃鋼復合，對拉伸狀態下應變與體積電阻率之間的變化關系進行了研究，並用多元回歸的方法進行了數值分析，確定了電阻率與應變之間變化的數學模型。This filler 1. 40 aramid fibers using high - intensity, highly complex thermal conductivity of carbon fiber, stains and lubricants, made by weaving rope or ring seal products
此填料四角採用高強度芳綸纖維，復合導熱性極強的碳纖維，污漬及潤滑劑，經編織製成繩狀或環狀密封產品。In the dissertation, the study on carbon fiber reinforced concrete ( cfrc ) and plain concrete has been reviewed. then mechano - electric effect of cfrc and plain concrete, its mechanisms, the interaction among mechano - electric effect, piezoresistivity and seebeck effect, the electrical circuit model of concrete based on mechano - electric effect, electromagnetic emission of concrete, the mathematical model of mechano - electric effect are investigated. also the converse effect of mechano - electric effect of cfrc and plain concrete, that is, electromechanical effect, and the interaction between electromechanical effect and electrothermal effect of cfrc are examined
本文對碳纖維混凝土和素混凝土機敏性的國內外研究現狀進行了全面的評述，在大量實驗分析的基礎上，系統地研究了碳纖維混凝土和素混凝土的力電機敏性，研究了力電效應機理、力電效應與其它效應（壓阻效應、塞貝克效應等）的耦合關系、基於力電效應的混凝土電學模型、混凝土電磁發射現象、混凝土力電效應的數學模型等；論文同時對混凝土和素混凝土的電力效應、碳纖維混凝土電力效應與電熱效應的耦合關系等進行了探討；最後開展了基於力電效應的機敏混凝土結構應用研究。Mclaren moulded carbon fibre / aluminium honeycomb composite incorporating front, rear and side impact structures. contains integral safety fuel cell
麥拉倫製造的碳素纖維/蜂巢狀鋁復合結構底盤，前、后和側撞結構一體化，並包含一個安全的整體油箱。Radiation characteristics were studied on curvature and arrangement of radiation reflecting cover based on system research of carbon fiber far - infrared tubular electric - heating element, which supply a design reference to obtain homogeneous steady radiation field
摘要以碳纖維遠紅外管狀電熱元件為研究對象，研究了輻射反射罩的曲率及排布位置對輻射特性的影響，為獲得均勻穩定的輻射場提供了參考。In this paper the new idea and present research status of low cost manufacturing technology for carbon fibers were briefly introduced, including cost analysis of carbon fibers ; low - cost carbon fiber development program in usa, the new technologies that are being developed for precursors, oxidation and carbonization
摘要本文介紹國外在碳纖維低成本制備技術的新思路及其研究的現狀，包括碳纖維成本分析、美國的低成本碳纖維研製計劃、在原絲、預氧化及碳化等方面當前正在研究開發的新技術。Products shape : our “ sun shine ” brand carbon steel fiber have cold draw steel fiber and cutting steel fiber, with shape of flat, wave, bow, hook and etc
產品形狀：本公司「雙興」牌碳鋼纖維主要有冷拔鋼纖維和剪切鋼纖維，其形狀有平直形、波浪形、弓形和端鉤形等。The composite was pressed and sintered again to further enhance its synthetical properties. through this treatment, interface binding strength, compactness, conductivity and mechanical properties of the composite were prominently increased
復壓復燒處理后，銅基體與碳纖維之間結合狀態良好，復合材料的緻密度、電導率及機械性能均有顯著提高。Test methods for fibrous activated carbon
纖維狀活性碳的試驗方法分享友人