金屬碳化物 的英文怎麼說
中文拼音 [jīnzhǔtànhuàwù]
金屬碳化物
英文
metal carbide- 金 : Ⅰ名詞1 (金屬) metals 2 (錢) money 3 (古時金屬制的打擊樂器) ancient metal percussion instrum...
- 屬 : 屬名詞1 (類別) category 2 [生物學] (生物分類系統上所用的等級之一) genus 3 (家屬; 親屬) fami...
- 碳 : 名詞[化學] (非金屬元素) carbon (c)
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 金屬 : metal
- 碳化物 : carbide碳化物金屬陶瓷 carbide cermet; 碳化物耐火材料 carbide refractory; 碳化物陶瓷 carbide ceram...
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Abstract : through analysis of the components of coking on different parts of desullfur system of single tower and the waste water containing sulfur, we find the cause of coking in the stripping desulur system from single tower is the polymerization reaction of carbohydrate and the separattion of varied solid powders, organic compounds, and all corrosive productions of metal out of waste water in high temperature, therefore, the solving method is how to decrease the oil content, how to depolymerize form the carbohydrate and how to antisepticize by vapour of waste water
文摘:對單塔脫硫系統中不同部位的垢物及現場催化含硫污水進行了分析測定,結果表明:塔內污垢成分及含量隨塔體部位的不同而不盡相同,單塔汽提脫硫系統中垢物的形成,主要是由於污水中所含各類粉塵、有機物、金屬腐蝕物等在高溫下因石油碳氫化合物的析出及其單體的聚合反應所致.如何降低污水中的含油成分、減少聚合反應的生成、防止污水蒸氣對塔體材料的腐蝕,是阻垢、除垢和防垢應解決的關鍵問題Progress of transition metal carbides in heterogenous catalysis
過渡金屬碳化物的研究進展Organometallic chemistry of f - and d - block transition metal complexes, chemistry of boron clusters, carboranes and metallacarboranes, homogenous catalysis and coordinative unsaturation, small molecule activation and polymer synthesis
D -和f -族過度金屬有機化學、硼籠、碳硼烷和金屬碳硼烷化學、均相催化、小分子活化和聚合物合成化學。This paper gives a brief review of four stabilization mechanisms of soc : ( 1 ) recalcitrance of organic carbon compounds, ( 2 ) interactions with metal oxides and soil mineral surfaces, ( 3 ) spatial inaccessibility against decomposers because of micro - aggregate ' s physical protection, and ( 4 ) biological mechanisms, mainly the direct contributions of soil organisms themselves
土壤有機碳的穩定機制主要包括: ( 1 )有機碳的難降解性; ( 2 )金屬氧化物和粘土礦物與有機碳的相互作用; ( 3 )土壤團聚體的物理保護導致的生物與有機碳空間隔離; ( 4 )土壤生物學機制,主要指土壤生物自身對有機碳穩定性的直接貢獻。According to the results of the interface action, the metals are classified as following three kinds. one is the affine metals that can react with the diamond to form steady carbides, such as ti, w, cr, mo etc. other is the inert metals that have not any action with the diamond, such as cu etc. the third is catalyst metals that promote the transformation of the diamond into graphite when the metals come into contact with the diamond at high temperature, such as fe, co, ni etc
按照金屬與金剛石的界面作用結果,將典型金屬分為:與金剛石界面反應形成穩定碳化物的親和性金屬,如鈦、鎢、鉻、鉬等;與金剛石界面不反應的惰性金屬,如銅等;與金剛石界面接觸促使金剛石石墨化的石墨化金屬,如鐵、鈷、鎳等。The experiments showed that wc and vc can dissolve mutually in the carbonizing reaction. when wc ' s content exceeds vc ' s, vc will dissolve into wc and make wc ' s crystal lattice bring aberrance and become wc1 - x, contrarily when vc ' s content exceeds wc ' s, wc will dissolve into vc and also make vc ' s crystal lattice bring aberrance. the surface cermet composite has high rigidity and well wear - resistance
( 7 )採用鑄造燒結技術,通過加入毗顆粒和v班一vc的原位放熱反應成功制取了碳化物陶瓷質量百分數超過60 %的表面金屬陶瓷材料,實驗證實wc與高溫碳化反應生成的vc相互可以很好的固溶,當wc的含量超過vc時, vc可以固溶到wc中,使wc的晶格發生畸變,成為昵卜: ,反之當vc的含量超過wc的含量時, wc可以固溶到vc中,也會造成vc的晶格畸變。The alkali & alkaline metal oxide will react with sic at about 1300c and generate silicate, which calls alkali - chemical corrosion, and can influence the glowing of element
在1300c左右,堿和堿性金屬氧化物與碳化硅發生反應,生成硅酸鹽,稱為堿化學侵蝕,會明顯影響元件發熱的紅熱程度。Correspondingly, xrd patterns revealed that carbon shells became graphitic somehow. the effects of organic solvents and catalysts / catalysts precursors on the structure and morphology of products were also investigated in this study. cyclohexane, instead of benzene, was proven to be a suitable solvent, as it would not pyrolyze in the reaction system
對金屬催化劑(或前體)以及有機溶劑與產物形貌關系的研究結果表明,苯作溶劑在反應條件下易裂解並形成積炭,從而阻礙了多孔碳產物的繼續生成,而選用環己烷可以避免類似的裂解反應。An attempt has been made by the author to quantify the effect of the covalent bonding on the metallic bonding of most metals by assigning covalent - metallitivities ( c - m ) values to some of the solid elements based on their melting temperatures in as compared to carbon ( diamond ), with a melting temperature of 3500, which is assumed to be 100 % covalently bonded and have a covalent - metallitivity of 4. 0
作者試圖根據某些固體物質的按攝氏度計算的熔點與碳(金剛石)的比較,指定其共價金屬活性( c - m )的值,來量化在大多數金屬上的金屬性化學鍵的共價鍵作用, (比如) , 3500攝氏度的熔點被認為是100的共價化合,且其金屬活性為4 . 0 。Among the carbon hydrogen storage material, activated carbon, carbon fiber, and carbon nanotuber are introduced ; in the organic hydrogen storage material, organic liquid and metal organic are introduced
其中碳基儲氫材料主要介紹了活性炭、碳纖維、碳納米管及碳化物的衍生物;而有機物儲氫材料主要介紹了有機液體和金屬有機物。Synthesis of dimethyl carbonate from urea and methanol over metal oxide catalysts
金屬氧化物催化劑上尿素與甲醇合成碳酸二甲酯Poly ( propylene carbonate ) polyols was synthesized by the copolymerization of carbon dioxide with propylene oxide in the presence of double metallic catalyst in loop reactor
摘要以二氧化碳3環氧丙烷為原材料,在雙金屬氰化物催化劑催化下,利用環流反應器合成聚碳酸亞丙酯多元醇。It is the first time to study the mechanism of interfacial reaction in sic / ti composites by quantum chemistry computation methods. a suitable method to calculate titanium carbide and silicide was found and the thermodynamic and dynamic data involved in interfacial reaction of sic / ti composites have been obtained
首次將量子化學計算理論運用於金屬基復合材料界面反應的研究中,運用gaussian98量子化學計算程序,找到了適合於研究過渡族金屬ti的碳化物和硅化物的計算方法,獲得了sic ti基復合材料界面反應的熱力學和動力學數據。The main research findings were as follows : nickel had a higher catalysis than iron in the growth of cnts, and the thickness of catalyst affected the diameter of cnts. compared graphite and iron, when monocrystalline silicon was used as the substrate, cnts had a higher purity
通過sem和tem分析了不同條件下產物的形貌和結構,取得以下主要結果:在兩種單金屬催化劑中,鎳的催化活性高於鐵的催化活性,催化劑薄膜的厚度決定著生長納米碳管的直徑。The paper also found that the capacitance of the positive electrode was much smaller than that of negative one, and then it urged to develop new positive materials to make up hybrid capacitor
同時發現,碳基電容器正極容量遠小於負極容量,這也促使繼續開發新的正極材料組成混合電容器。對於法拉第準電容器材料,重點放在對金屬氧化物的研究上。Transition metal nitrides / carbides are sorted as interstitial compounds and known as " platinum - like metal " owing to their similar surface and catalytic properties to those of noble metals platinum and rhodium
摘要介紹了過渡金屬氮化物碳化物獨特的晶體結構和電子性能及其與催化性能的內在聯系。The purpose of the first chapter is to survey the fundamental principles, characterizations and applications of supercapacitors, especially the recent progress of researches on supercapacitors using carbon, transition - metal oxide and conducting polymer as electrode materials in their supporting electrolytes
第一章綜述了超級電容器的儲能機理、特點、應用范圍等,並介紹了碳基材料、金屬氧化物和導電聚合物做電極材料,以及各種電解液的超級電容器的最新研究進展。The first chapter concentrated on the survey the fundamental principles, characterizations and applications of supercapacitors, especially the recent progress of the supercapacitors using carbon, transition - metal oxide and conducting polymer as electrode materials and the hybrid supercapacitors
第一章概述了電化學電容器的儲能機理、特點、應用范圍等,並介紹了碳基材料、金屬氧化物和導電聚合物做電極材料,以及混合電化學電容器的最新研究進展。The thesis can be divided into four parts : the purpose of the first chapter is to survey the fundamental principles, characterizations and applications of supercapacitors, especially the recent progress of researches on supercapacitors using carbon, transition - metal oxides and conducting polymers as electrode materials and the study of all solid - state and hybrid supercapacitors
以下是每一部分的具體內容:第一章概述了電化學電容器的儲能機理、特點、應用范圍等,並介紹了碳基材料、金屬氧化物和導電聚合物做電極材料,以及全固態和混合超級電容器的最新研究情況。The unique crystalline structures and electronic properties of metal nitrides / carbides catalysts, their inherent relation with the catalytic properties, mechanisms for the catalytic hydrogenation over metal nitrides / carbides and their application in hydrodesulfurization ( hds ), hydrodenitrogenation ( hdn ) and other hydrogen - involving reactions were reviewed
與傳統的過渡金屬硫化物催化劑相比,過渡金屬氮化物/碳化物具有更加優異的氫吸附、活化和轉移能力。分享友人