積碳形成 的英文怎麼說
中文拼音 [jītànxíngchéng]
積碳形成
英文
carbon formation-
Soil caco3 eluviation and deposition process is the most important development and evolution process of soil, from parent material to mature soil in the loess plateau, arid and semiarid area
土壤碳酸鈣( caco _ 3 )的淋溶淀積過程是黃土高原以及乾旱和半乾旱地區土壤形成發育的主要過程之一,也是地球化學過程的主要內容。On this surface the encroaching muskeg sea developed a carbonate bank fringed by coastal sabkhas in which gypsiferous deposits were formed.
在這個地表上,侵入的馬斯愷格海發育了一個碳酸鹽灘,其邊緣有海岸薩勃哈石膏質沉積形成。These geomorphic units of paleogeography constitute the basic model of paleocontinent, littoral - neritic sea and carbonate plateform at that stage, and this depositional model is similar to the pattern of the east china continent and ocean, which is the result of evolution during the past long geologic age
這些古地理地貌單元構成了湖北省泥盆紀時期古陸濱淺海和碳酸鹽巖臺地的基本沉積模式,這種沉積模式與現今中國東海大陸、海洋格局基本一致,亦是經過了漫長地質歷史時期演化,而形成現今這種格局的。According to sedimentary characteristics of the carboniferous taiyuan formation in feicheng coal field, including lithology, size distribution, sedimenta ry structure, geochemistry and paleontology etc., the carboniferous paleoenvironme nt of this area is divided into carbonate open platform and tidal flat environme nt. it is recognized that the taiyuan formation is formed in the epicontinental c oast which is dominated by the tidal. the peat flat is the important paleoenviron ment for coal accumulation. the tidal channel destroys the coal bed. the pulsative vibration of the crust is the major factor which controls the evolution of the sedimentary environment and the coal accumulation
根據肥城煤田石炭系太原組的巖性、粒度分佈、沉積構造、地球化學及古生物等沉積特徵,將該區晚石炭世古地理劃分為碳酸鹽開闊臺地和潮坪環境,認為太原組形成於潮汐作用為主的陸表海海岸,泥炭坪是成煤的重要古地理環境,潮渠對煤層有一定的破壞作用,地殼的脈動性振蕩作用是控制沉積環境演化和聚煤作用的主要因素。Abstract : according to sedimentary characteristics of the carboniferous taiyuan formation in feicheng coal field, including lithology, size distribution, sedimenta ry structure, geochemistry and paleontology etc., the carboniferous paleoenvironme nt of this area is divided into carbonate open platform and tidal flat environme nt. it is recognized that the taiyuan formation is formed in the epicontinental c oast which is dominated by the tidal. the peat flat is the important paleoenviron ment for coal accumulation. the tidal channel destroys the coal bed. the pulsative vibration of the crust is the major factor which controls the evolution of the sedimentary environment and the coal accumulation
文摘:根據肥城煤田石炭系太原組的巖性、粒度分佈、沉積構造、地球化學及古生物等沉積特徵,將該區晚石炭世古地理劃分為碳酸鹽開闊臺地和潮坪環境,認為太原組形成於潮汐作用為主的陸表海海岸,泥炭坪是成煤的重要古地理環境,潮渠對煤層有一定的破壞作用,地殼的脈動性振蕩作用是控制沉積環境演化和聚煤作用的主要因素。The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north
實驗結果表明:粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用;磁化率和全鐵很好地指示生物風化成壤作用; sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用;總有機碳( toc )含量的高低,在一定程度上反應了土壤發育過程中氣候和植被狀況的變化,指示著成壤過程中腐殖質化的程度; caco3含量的變化,可以反映了黃土古土壤形成時的風化成壤作用的強弱程度,指示成壤過程中的淋溶作用和次生碳酸鹽化作用;並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異,即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。The hydrothermal activities which were complicated and acted a positive effect in the formation of the zhulazaga gold deposit resulted in hydrothermal alterations of multiepisode, including pyroxeneization, actinolitization, epidotization, ice - feldsparization, silicification, chloritization and carbonatization etc. the research on inclusions in quartz of the ore indicates that the hydrothermal fluid varying greatly in temperature with an average of 286 shows characteristics of high temperature
3 、朱拉扎嘎金礦的形成中熱液活動起到了積極的作用,熱液活動不僅復雜而且具多期性,有透輝石化、陽起石化、綠簾石化、綠泥石化、硅化、冰長石化、碳酸鹽化等。礦石中石英包裹體的研究表明,含礦熱液的溫度變化范圍較寬廣,平均在286 ,顯示中偏高溫特徵。In the early sinian, clastic sediments formed by fluvial and continental glacial actions were developed, while in the late sinian, great thickness of marine carbonate rocks formed by two transgression - regression cycles were developed
早震旦世發育由河流作用與陸地冰川作用形成的陸源碎屑沉積;晚震旦世則發育由兩次臺地盆地臺地的海進海退旋迴形成的巨厚海相碳酸鹽沉積。Based on the nickel electrodeposition process, the nickel electrodeposition mechanism, the electrochemical nucleation of nickel on vitreous carbon, the redox process of black nickel formed on anode, the nitrogen evolution on anode and electrocatalytic activity for nitrogen evolution of ti based iro2 anodes were investigated systematically
本文在前期工藝研究的基礎上著重對氨絡合物體系電積金屬鎳的反應機理、鎳在玻璃碳上的電化學成核機理、陽極黑鎳的形成機理、陽極析氮過程及ti基iro _ 2塗層陽極對析氮的電催化活性進行了系統研究。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。Abstract : a new process of drop - feed gas carburizing with enhanced pressure and mass flow has been described
文摘:用高爐壓、大劑量煤油滴注進行氣體滲碳,所形成的滲碳氣氛碳勢可達2 . 0 % 2 . 6 % ,工件表面無碳黑沉積。A smooth, lustrous, variously colored deposit, chiefly calcium carbonate, formed around a grain of sand or other foreign matter in the shells of certain mollusks and valued as a gem
珍珠在幾種軟體動物的貝殼中,圍繞著一粒沙子或其他外來物質形成的一種光滑、有色澤、具有不同顏色且主要是碳酸鈣的沉積物,被珍視為寶石The post - salt sediment group formed ( upper permian to quaternary ) is composed mainly of clastic rocks, with carbonates locally
晚二疊世以後形成的鹽上層系沉積,主要?碎屑巖,在局部地區有碳酸鹽巖。It shows the nanometer particles have automation to make the friction surface in a comparatively even state. 4 ) through tribology chemistry function, the nanometer cacoj and cao particles form a deposited film on the wear scar ' s surface or strengthen the surface through a small amount of metal ca ' s diffusion to improve the friction surface ' s a
( 4 )納米碳酸鈣和納米氧化鈣粒子通過摩擦過程中的摩擦化學作用在磨斑表面上形成了沉積膜,少量金屬鈣通過擴散作用滲透到鋼基體表面,形成表面強化層,提高了表面的耐磨性。On the surface of annealed 45 steel, as the pearlite in it contains cementite phase and has high crystal boundary density, the nucleation and growth of deposits prefer to occur at the pearlite at the beginning during depositioa the coating exists in form of nano - polycrystal layers composed by gathering of nano - sized crystals
在退火態45鋼表面,由於珠光體組織中含有滲碳體相且具有比較高的晶界密度,因而在沉積初期鍍層優先在此處形核和生長;鍍層在基體表面是以納米尺度的晶粒聚集在一起形成的聚晶體形式存在的。By studying the ancient barrier lake sediments, this paper mainly probes into the ancient climate evolution rule of more scale and less from twenty - two thousand to ten thousand years before present, diexi, minjiang river. moreover, influences to lower reaches of minjiang river is simply discussed because of die out of the ancient barrier. the using correlative theories in this thesis are mc chronology, sedimentology, isotope geology, environmental geology, geomorphology
本論文運用~ ( 14 ) c年代學、沉積學、同位素地質學、地貌學等學科的有關理論,通過對岷江疊溪古堰塞湖湖相沉積物的研究,採用沉積物碳酸鹽碳氧同位素等多環境代用指標,研究岷江疊溪地區距今約22千年10千年古氣候演化規律,討論了古堰塞湖形成演化過程與地質環境的相關性。We have carried out th / u dating on intercalated calcite samples. the results show that the capping flowstone layer is of an age of 94 ka, and the second one 220 ka. the fossil - bearing deposits which are bracketed by the two flowstone layers should be of an age between 94 and 220 ka
新生碳酸鹽巖與骨化石的鈾系測年結果表明:該地點覆蓋含人牙化石堆積的表層鈣板在約94ka以前開始形成,堆積疊壓的鈣板年代為約220ka ,人牙化石的年代應介於兩者之間。Factor contributing to this problem is that the metal cobalt used as the cementing phase easily causes diffusion and dissolution of carbon, promotes graphite growth and inhibits diamond nucleation and growth in the course of competitive growth between diamond and graphitic carbon
其原因是在沉積過程中,基體中所含的鈷會引起碳的溶解和擴散,從而導致金剛石成核密度的降低和石墨的形成。An optimized cvi - pip process has been achieved, by which the c / sic composites with 2. 1 ig / cm3 high density and uniformity are fabricated in 200 hours. the microstructure and composition of pyrolytic carbon interphase and cvi - pip silicon carbide matrix in the c / sic composites are investigated with the help of polarization microscope, scanning electron microscope, and x - ray diffraction technique, etc. the structure characteristic of pyrolytic carbon interphase and cvi - pip silicon carbide matrix, and effects of cvi - pip process on it are summarized and discussed. by growth course and feature of pyrolytic carbon interphase and cvi - pip silicon carbide matrix analyzed, a whole - course densification mechanism of lamellar - growth - pattern is proposed to explain the densification phenomenon, which makes a systematic understanding on the feature of pyrolytic carbon interphase and cvi - pip silicon carbide matrix, and the multiple stitching interface binding
根據熱解碳中間相、 cvi - pip系sic基體相的組織構成與外貌特徵,通過對熱解碳中間相、 cvi - pip系sic基體相的生長過程和生長特徵進行分析,提出了基於層生長模式的緻密化過程理論,解釋了熱解碳中間相、 cvi - pip系sic基體相以及釘扎誘導結構多重界面的形成: ( 1 )在1150下, cvi - sic亞基體相遵從「過飽和?凝聚?融合」機理沉積,以8f型? sic為主,同時還會有少量4h型? sic ,無游離si和游離c存在; ( 2 ) pip - sic亞基體相由非晶態sic以及彌散分佈的- sic微晶、 si - o - c和游離c組成; ( 3 )熱解碳中間相與碳纖維增強相之間、 cvi - sic亞基體相之間形成滲透釘扎結構過渡界面, pip - sic亞基體相與摘要cvi一sic亞基體相之間形成誘導結構過渡界面。The mechanism of physical damage of carbon fibers was clarified firstly. the precursor which attached on carbon fibers changes to inorganic ceramic under high temperature with large volume shrinkage which appearing at cracks with fiber traction and the cracks are mainly vertical to fiber axis. because of mismatched coefficients of thermal expansion, carbon fibers suffer multiple thermal stresses and are damaged
首次探明了碳纖維熱應力物理損傷機制,即碳纖維表面附著的先驅體在高溫下無機化形成陶瓷體,同時伴隨著大的體積收縮,在碳纖維的牽引下,基體的體積收縮以開裂形式出現,裂紋的取向以垂直於纖維軸向為主,由於碳纖維與基體熱膨脹系數失配,致使碳纖維在降溫過程中受到復雜熱應力,引起碳纖維損傷。分享友人