電碳熱法 的英文怎麼說
中文拼音 [diàntànrèfǎ]
電碳熱法
英文
electro-carbothermic process-
The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved
利用熱輻射原理，採用熱平衡法對電熱隧道窯的高溫恆溫區溫場進行了分析和模擬.計算中將發熱棒分解為無數微元發熱面與燒結體進行熱交換，依據輻射強度定律，建立了燒結體接收能量的數學模型，並用計算機進行了模擬計算.結果表明，依據模擬結果來優化硅碳棒的排布，可使結構設計更加合理，進而可以獲得分佈均勻的恆溫區溫場.計算結果已在窯爐設計中應用，實踐效果良好Standard test method for linear thermal expansion of electrode carbons
電極碳線性熱膨脹率的標準測試方法Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型，並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響；根據mcfc的微分控制方程組，考慮氣體組分的熱力學性質及動量變化的影響，利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場，分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。Common test methods for insulating and sheathing materials of electric cables. part 4 : methods specific to polyethylene and polypropylene compounds. section one : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of the melt flow index - carbon black and or mineral filler content measurement in pe
電纜絕緣和護套材料通用試驗方法第4部分:聚乙烯和聚丙烯混合料專用試驗方法第1節:耐環境應力開裂試驗-空氣熱老化后的卷繞試驗-熔體指數測量方法-聚乙烯中碳黑和或礦物質填料含量的測量方法Catalysts were prepared by impregnation reduction, thermal reduction, advanced thermal reduction and sol - gel methods from these metals. electrochemistry measurements, xrd, tem were used to test these catalysts. the results showed that these metals have some electrocatalysis activities towards hydrogen oxidation reaction
本文選擇了w 、 mo 、 co等金屬，採用浸漬還原法、熱還原法、改進的熱還原法以及溶膠凝膠法分別制備了這幾種金屬的碳載催化劑，對制備出的非貴金屬催化劑進行了電化學測試、 x -射線衍射（ x - raydiffraction ， xrd ） 、透射電子顯微鏡（ transmissionelectronmicroscopy ， tem ）等測試，研究結果表明:這些非貴金屬在硫酸體系中對氫氣的氧化反應均有一定的催化活性。The finite element method ( fe '. i ) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details. the thermo - radiation analytical countermeasures of various types are adopted to carry out the numerical analysis of the effects of the crucible with different shapes and sizes and the blind holes with different depths opened in the tops of crucibles as well as coil positions upon the thermal field distribution whereby solving the main problem of field the thermo - field design of the induction - heating sic crystal growth system. a new combination idea of the thermo - field design obtained by means of the united design of the thermo - insulator and blind holes has been presented
採用有限元分析方法對線圈匝數、電流強度、電流頻率等對焦耳熱產生速率的影響進行了詳細的分析討論；採用不同的熱輻射分析策略，對不同坩堝形狀、坩堝頂部開設不同深度的盲孔以及線圈的位置等對熱場分佈的影響進行了數值分析，解決了感應加熱碳化硅晶體生長系統熱場設計的主要問題，提出了通過絕熱層與盲孔的聯合設計獲得所需熱場設計的思路，給出了根據軸向溫度梯度的波動對線圈位置實行動態調節以控制熱場的理論依據。The synthesis process of swnts by catalytic chemical vapor deposition ( ccvd ) was investigated and the product was characterized by transmission electron microscopy ( tem ), thermo - gravimetric analysis ( tga ) and raman scattering spectra and so on in this thesis
本文研究了單壁納米碳管的化學氣相沉積法制備工藝，並運用透射電子顯微鏡（ tem ） 、熱重分析（ tga ）與拉曼（ raman ）光譜等分析手段，對產物及催化劑進行了表徵。According to the significant improvement in properties of ions and particles doped perovskite, tb and cnt doped pt materials were prepared, and the properties studied. tb and cnt doped pt powders and films were successfully prepared by sol - gel method. by differential thermal analysis ( dta ), scanning electron microscopy ( sem ), transmission electron microscopy ( tem ), x - ray diffraction ( xrd ), fluorescent analysis and dielectric constant analysis, the morphology and phase transformation, crystalline properties, fluorescent properties and dielectric properties of the materials were studied
本研究中採用溶膠凝膠法制備了具有優良結晶性能的稀土離子tb及納米碳管摻雜的鈦酸鉛（ pt ）超細粉末和（ 100 ）取向生長的薄膜，並利用差熱分析、掃描電子顯微鏡、透射電子顯微鏡、 x射線衍射、熒光分析和介電常數等多種分析測試手段對摻雜后的pt薄膜及超細粉末的相結構、光學性能、結晶性能以及介電常數等進行了研究。Based on summarizing the actual research status, developing prospects, and the characteristic of different ways in preparation for silicon based composite, three ways were chosen, which was pyrolysis for si - phenolic resin prolyzed carbon material, using different catalyzer to prepare for si - o network coated silicon and carbon complex composite, easily chemical and deoxidizing reaction for super tiny metals mixed silicon and carbon complescomposite
通過高溫熱解法制備了硅-酚醛樹脂（ pf ， phenolicresin ）熱解碳材料。在700的條件下制備了硅-酚醛樹脂熱解碳材料，發現si和熱解碳的質量比為3 : 7時材料具有最優異的性能，首次脫嵌容量為394 . 7mah ? g ~ （ - 1 ） ，充放電效率為50 % 。In this thesis, we will focus on the nanotube structure and synthesis, including disorder multi - wall carbon nanotube, aligned multi - wall carbon nanotube array, cnx nanotube, and bcn nanotube. the effects of growth parameters, which provide scientific basis for pyrolysis of carbon nanotube, were studied systematically. furthermore, layered aligned multi - wall carbon nanotube arrays separate by catalyst particles were synthesized on the surrounding of reaction quartz tube by injection of xylene - ferrocene for the first time, which provided a chance for the accurate measure and potential use of carbon nanotubes
在對碳納米管制備的基礎上，全面系統地研究了碳納米管的影響因素，對熱解法制備碳納米管確定了可供參考的制備工藝參數，在些基礎上，首次成功地直接在反應爐內石英管壁上直接生長分層生長的定向碳納米管，為納米管的性質的測量提供了一定的基礎，而且為定向碳納米管在微電子學領域的應用提供可能性，能成功地實現定向納米管的固定長度生長。The field emission property of carbon nanotubes could be increased by substitution of nitrogen for some of carbon, however, however, that of bcn nanotubes was poor. 1. study of disordered multi - wall carbon nanotube carbon nanotubes with different diameter distributions have been produced by thermal decomposition of a ferrocene - xylene mixture under different temperatures and different catalysts in an ar ( or n2 ) / h2 atmosphere
結合透射電鏡、掃描電鏡及拉曼光譜，系統地研究了以鈷二茂鐵為催化劑時不同溫度下、以及在860時，分別以鈷二茂鐵、鎳二茂鐵、鈷、鎳鈷不同催化劑、不同保護氣體對高溫熱解法制備的多壁碳納米管結構、產率等的影響，對產物的形態、結構進行分析。Standard test method for determination of low levels of antimony in carbon and low - alloy steel by electrothermal atomic absorption spectrometry
用電熱原子吸收光譜測定法測定碳和低合金鋼中銻低含量的標準試驗方法2. a composite electrode material comprising carbon aerogel and nickel oxide is obtained by coated nickel oxide on carbon aerogel and heat - treatment in air. the structure and electrode performance are studied
2 .應用sol - gel法在碳氣凝膠表面沉積氧化鎳，熱處理后製成電極，研究了其結構和電性能。分享友人