碳化物燒結 的英文怎麼說

中文拼音 [tànhuàwùshāojiē]
碳化物燒結 英文
cementing of carbides
  • 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...
  • 燒 : Ⅰ動詞1 （使東西著火） burn 2 （加熱或接觸某些化學藥品、放射性物質等使物體起變化） cook; bake; hea...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 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...
  1. Moreover, the quenching concentration of eu is raised. on the basement of successful synthesis of two - components oxide, edta complexing sol - gel method was expanded and applied to effectively synthesis nanosized muti - components oxide, such as la1 - xsrx fe o3, lafe1 - xcuxo3, la1 - xsrx coo3, laco1 - xcuxo3 because edta can bind with most metallic elements of the periodic table, this technique become a versatile tool in the production and study of new nano materials of multi - component complex oxides. a economic and new process has been studied to synthesis la2o3 nanocrystalline, using nh4hco3 as precipitant

    河北大學理學博士學位論文對于單一組份的稀土氧化物，探索出一條更經濟、更方便的合成方法，即:用碳酸氫錢做稀土沉澱劑，成功地制備了納米l匆03 ，並對中間產物碳酸斕及其燒成的氧化斕分別進行了ir 、 tg一dta 、 sem 、 xrd分析研究，確定了碳酸憫的組成，氧化斕的物相、結構，並發現分散劑的種類對微觀形貌有一定的影響。
  2. Experimental study on fluidized bed agglomeration combustion using fly - ash slurry with high carbon content and coal - water mixture as fuels

    高含碳飛灰泥與煤水混合物流化床結團燃燒試驗研究
  3. 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。
  4. Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. ， if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios

    文摘:在某些廢鋼熔煉過程中，當爐料中含碳及碳氫物質且燃燒不充分時，會帶來煙氣中一氧化碳的燃爆、油污揮發時造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成分隨時間的改變以及二次燃燒率的變化，試驗結果表明，反應過程的限制性環節是油分的熱分解；在較低的溫度下（ co ） / （ co2 ）比例影響轉化率和二次燃燒率；而在任意比例下保證充分反應的溫度為900以上
  5. Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction

    利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀，分析了表面復合層的基體組織結構；運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論，結合差熱分析結果，探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理；利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析，模擬出坯塊的燒結過程中的化學反應過程。
  6. The repeating experiments show this kind of emulsified diesel oil can reduce fuel consumption by at least 10 percent, smoke density and nox emission by more than 40 percent. and the exhaust temperature and the maximum combustion pressure also decrease. la addition, the experiments about emulsified heavy oil and emulsified mixture of heavy oil and diesel oil are done on 1135 diesel engine

    經反復試驗表明該型乳化油與0 ~ #柴油相比平均節油率不低於10 ，主要排放物nox 、碳煙降低40以上，同時排溫和最高燃燒壓力降低，另外，在1135柴油機上進行了乳化重油和乳化重油與柴油混合物的試驗，結果表明燃油耗率和so _ 2排放均顯著降低。
  7. In this work, using elemental powders as starting reactant materials several carbide powders such as wc, sic, tic, zrc and corresponding alloys had been fabricated by ball - milling technique. x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), transmission electron microscopy ( tem ) and other measurement techniques had been used to monitor the structural changes of powders after some ball milling time and the properties of the cemented tungsten carbides. and the mechanism for the formation of matal carbides by ma has also been discussed

    本文主要對機械合金化（ ma ）技術在碳化物制備中的應用進行了研究，利用高能球磨，以元素粉末為原料，制備出wc 、 sic 、 tic 、 zrc的粉體以及wc基硬質復合材料，並利用x射線衍射、掃描電鏡、透射電鏡等方法分析和研究了球磨過程粉體的變化以及燒結后硬質合金的性能，對機械合金化制備碳化物的有關機理進行了研究和探索。
  8. The results show that the a - phase - transformation of pure aach can be completed by heating at 1200 ? for two hours. but under this temperature, the alumina particles will be sintered together, which can lead to the formation of bough - like structures. and these bough - like structure will make the powder difficult to be dispersed

    接著對碳酸鋁銨進行了焙燒實驗，研究了其在升溫過程中的相變行為，結果表明：純aach在1200保溫1 . 5h的情況下才能100轉變為氧化鋁，而在這樣高的溫度下，粒子之間會形成燒結頸，從而使粉體產物在形貌上出現所謂「樹枝狀」結構，給粉體使用時的分散帶來了困難。
  9. The combustion conditions in a circulating fluidized bed ( cfb ) boiler are much different from a pulverized coal firing ( pf ) boiler. however, this dissertation has confirmed that coal char in cfb boiler will also experience reactivity loss and ordering of turbostratic carbon structure, which have been reported by many researchers whose work were mainly restricted to pf conditions

    本文通過獲得在cfb燃燒條件下熱解和燃燒過程中的焦碳，對其反應性、亂層碳結構、礦物質催化作用和比表面積等進行了系統研究，指出cfb鍋爐和煤粉爐同樣存在焦碳亂層碳結構有序化和焦碳反應性下降（失活）現象，並全面分析了焦碳失活的機理。
  10. Characters of the pyrolysis chars and residual carbons such as reactivity, turbostratic carbon structure and specific surface area have been examined by thermal gravimetric analysis, powder x - ray diffraction and mercury intrusion methods respectively. catalytic effect of minerals has been identified

    高溫下不同煤質焦碳結構趨於一致和礦物質催化作用的失去在一定程度上證明了假定活化能不隨煤質變化的煤焦燃燒反應動力學通用規律的合理性。
  11. With the increase of temperature, chars from low rank coals deactivate quickly and significantly. through a strict and systematic analysis, char deactivation has been found to be due to the combined effect of the ordering of turbostratic carbon structure and the loss of catalytic effect of minerals during pyrolysis or combustion process

    但當煤顆粒在中低溫下燃燒時，由不同煤質形成的焦碳的亂層碳結構的差別較大，煤中的礦物質所起的催化作用可能很不一樣，因而導致不同煤質的焦碳燃燒反應活化能有較大差別。
  12. The study on polycyclic aromatic hydrocarbons in barbecued meat is reported to the legco panel on food safety and environmental hygiene

    向立法會食物安全及環境?生事務委員會匯報有關燒烤肉類含多環芳香族碳氫化合物的研究結果。
  13. The results of these work indicated that som in top soils and sediments are highly heterogeneous and conprise a wide range complex organic matter such as humic acid, kerogen, and black carbon, and som have a nice bit of black carbon

    綜上所述，表層土壤和沉積物中的有機質是高度非均質的，包括腐殖酸、乾酪根和碳黑，並且碳黑具有相當高的含量。碳黑在來源、性質和結構上不同於腐殖酸和乾酪根，它是生物體和化石燃料不完全燃燒產生，具有更加穩定的性質和結構。
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