碳化物層 的英文怎麼說
中文拼音 [tànhuàwùcéng]
碳化物層
英文
carbide layer-
Visual carbon stars whose mid - infrared spectra are mainly dominated by photospheric continuum and show large excesses at 60um, represent a transition phase which follows an interruption of mass loss from the oxygen - rich phase and begins a new phase of the mass loss of carbon - rich material. excesses at 60um in these stars are the emission from the residual of oxygen - rich material
光學碳星的中紅外能量主要來自光球，在60 m處存在超量發射，人們認為其演化階段處在拋射富氧物質終止和新的富碳拱星殼層形成之間，其60 m超量發射就是富氧物質的殘余效應。The ability of carbon to form stable compounds in such astonnishing numbers arises in that it utilizes its four valence electrons completely in the establishment of four covalence, its valence shell becomes saturzted
試譯一下：碳能組成（有著）如此驚人數量的穩定的化合物在於它在四價共價健的建立中充分利用自己的四價電子，它的化學價層才能得以飽和。The particles distributed hi the matrix of grey cast iron, but some contact each other. the composite layer extend gradually into the substrate. when volume fraction of wc is 36 wt % and 27 wt %, the matrix of the composite is high chromium cast iron, consist of white carbide bars and the austenite. wc particles distributed uniformly, retaining approximately quondam granular form in the composite layer which has an evident interface area with the substrate, with good bonding strength
對不同碳化鎢體積分數的灰鐵和低鉻鑄鐵基復合材料的微觀組織結構分析表明：碳化鎢體積分數為52時，復合層內基體為灰口鑄鐵組織，顆粒直接分佈在灰鐵基體上，部分碳化鎢顆粒有相互接觸的現象，基材與復合層之間沒有明顯的過渡；碳化鎢體積分數為36 、 27時，復合層內基體為高鉻鑄鐵，由面塊狀的奧氏體和白條狀碳化物組成，碳化鎢顆粒表面固溶於基體組織中，粒形基本保持完整，分佈均勻，與基體構成冶金結合，基材與復合層之間存在一個明顯的平緩過渡區。When fillings is other materials ( unprocessed montmorillonite, powder coal ash, co - composite of powder coal ash and organo - montmorillonite, co - composite ofcarbonizing calcium and organo - montmorillonite ) in the binder and content of organo - montmorillonite in the binder is five percent decided by tensile - shear experiment, tensile - shear strength of binder is up to tiptop ; at the same time, this paper carries out abrasion experiment, and, by comparison, concludes abrasion property of coating is optimum when content of organo - montmorillonite in the binder coating is five percent, and observes abrasion sample under set
當膠粘劑中填料為其它物質（未處理蒙脫土、粉煤灰、粉煤灰和有機化蒙脫土共復合、碳化鈣和有機化蒙脫土共復合）時，通過拉伸剪切試驗確定膠粘劑中有機化蒙脫土含量為5時，膠粘劑的拉伸剪切強度最高；同時進行了沖蝕磨損試驗，通過比較得出，當膠粘劑塗層中有機化蒙脫土含量達到5時，塗層的耐沖蝕磨損性能最佳，並對沖蝕磨損試樣在掃描電子顯微鏡（ set ）上進行觀察。Scientists discovered that high flying supersonic jet aircraft, atomic weapons testing, chemicals such as cfcs chlorofluorocarbons and halons are among the first of the culprits
科學家們發現：高飛的超音波噴射機原子武器試爆以及cfc chlorofluorocarbon氟氯碳化物和海halon全鹵化碳氫化合物都會破壞臭氧層！And the environmental investigation agency pins the blame on the widespread use of chlorofluorocarbons cfcs and halons, which wipe out protective ozone in the atmosphere
因此，環境調查署將禍首指向破壞大氣臭氧保護層的氟氯碳化物以及海的大規模地交易買賣。Other microscopic analysis of the fibers seems to indicate that the image is strictly limited to the carbohydrate layer, with no additional layer of pigment visible
對纖維進行的其他顯微鏡分析看上去是指出肖像是嚴格地限制于碳水化合物層，並沒有額外的可見色素層面。In this paper, based on the experi ment and research data of the injected water quality in lunnan oil field in many years, the actual situation of the injected water in lunnan oil field is analyzed and discussed and the chemical indices ( content of the iron, dissolved oxygen, sulfide, carbon dioxide and oil and corrosion rote ), the bacterial index, the phys ical indices ( content and particle diameter of the suspended sub stance ) and the compatibility of injected water with formation water, etc. are evaluated one by one
文章立足於多年來輪南油田注入水水質的實驗研究數據，對輪南油田注入水現狀進行分析討論；對化學指標（鐵含量、溶解氧、硫化物含量、二氧化碳含量、含油量、腐蝕率） 、細菌指標、物理指標（懸浮物含量、懸浮物粒徑）和注入水與地層水配伍性等進行逐一評定。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。Abstract : a new simulating method is established for the calcul ation of the hardness profile of high - carbon - concentration deep - carburization, on the basis of analyzing this process and taking into account the influence o f carbide solution and dissolution, carbon - concentration and temperature on the diffusion behavior, and the influence of the environment factor on carbon trans fer through the gas - solid interface
文摘:在對高濃度深層滲碳的特點進行分析的基礎上，考慮到碳化物的析出與溶解、溫度及碳濃度對擴散行為的影響，氣氛環境對相界面碳傳遞過程的影響，淬火烈度對滲碳層冷卻效果的影響，提出了一種新的模擬高濃度深層滲碳滲層硬度分佈的方法。Abstract : this paper discusses the thickness in the design and construction of reinforced concrete guard - layer and concrete - carbonization physical - chemical characteristics and points out the importance of reinforced concrete guard - layer within construction
文摘:對混凝土碳化的物理化學性質、鋼筋混凝土保護層厚度的設計施工作了論述，指出了鋼筋混凝土工程中鋼筋混凝土保護層的重要性In this paper the anode porous diffusion layer model of dmfc for mass transfer has been described on the basis that all components are gaseous and well mixed. the purpose of the model is to determine the variation in concentration of species in the diffusion layer and thus the concentration of the reactive species at the edge of the reaction layer
本文還推導出了氣相進料的dmfc陽極多孔擴散層模型，模型詳細描述了甲醇，水以及二氧化碳在擴散層中的傳遞和反應，使用本模型可以確定各種物質在陽極多孔擴散層中濃度的變化，並可由此確定氣體擴散層催化劑層邊界處反應物質的濃度。Carbonate rock is widely distributed in china both in depth and in area. a large number of tunnels are excavated and built in it. carbonate rock is distinguished from the other fracture rock in that most of it has bored hydro - chemical and hydraulic erosion in groundwater environment
我國境內碳酸巖層分佈縱深橫廣，大量的隧道及地下工程修建於可溶巖中，而可溶巖和一般巖體的本質區別在於其受過地下水物理、化學環境的改造。Cfc - 12 are receiving more attention because of their larger concentrations and potentially significant effects on stratospheric ozone
在各種氯氟碳化合物中，以cfc - 11及cfc - 12較為重要，因為其濃度比較高與及它們對平流層內的oCfc - 12 ) are receiving more attention because of their larger concentrations and potentially significant effects on stratospheric ozone
在各種氯氟碳化合物中，以cfc - 11及cfc - 12較為重要，因為其濃度比較高與及它們對平流層內的oWith 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。Us president george w. bush planning to push for faster elimination of ozone - damaging chemicals called hydro chlorofluorocarbon, or cfcs
美國總統布希計劃加速管制禁用破壞臭氧層的含氯氟碳化物。On the contrary, the reservoirs that were not influenced by hot fluid just were in early diagenetic stage b. 2. based on the synthetic analysis of varied data, the mechanism of repeated dissolution and precipitation of ferrous carbonate minerals has been discussed
在進行充分的巖石學研究基礎上，利用電子探針、穩定同位素及包裹體分析數據，探討了異常成巖演化儲層中含鐵碳酸鹽礦物反復溶解和沉澱的機理。Office machines and supplies - noncarbonized, single - ply adding machine paper rolls - specifications
辦公室機械和物資.非碳化單層加法機紙卷.規格When surface temperatures of uranium and uranium - niobium alloys increase higher than 573k, heating was observed to deplete surface oxygen by accelerating its transport into the bulk and separate carbon out to their surface. so there were uranium carbide formed on the surface and thicker layer of uo _ ( 2 ) formed in the bulk. with surface temperature increasing, the o / u ratio dropped sharply as the surface oxygen diffused into the bulk
當溫度高於573k時，溫度增強了鈾及其合金表面上的氧的解吸和向體內擴散，以及促使體內的碳向表面上偏析，導致在鈾及其合金表面上形成了鈾碳化合物，並在體內出現富二氧化鈾層，隨著溫度的升高，表面上的氧和鈾原子的比值降低，鈾碳化合物含量增加，體內的富二氧化鈾層加厚。分享友人