碳化物分佈 的英文怎麼說
中文拼音 [tànhuàwùfēnbù]
碳化物分佈
英文
distribution 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...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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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Composed of micro diamonds, aluminum oxide, and silicon carbide, the isotopic distribution of these grains bore the telltale marks of their birth : ancient supernovas and red giant stars, that shone brightly and then flickered out, billions of years ago, before the birth of the solar system
由微金剛石、鋁氧化物、碳化硅組成的這些微粒的同位素分佈透露出它們的誕生:那些數十億年前,在太陽系尚未誕生時,曾經閃耀並最終熄滅的古老超新星和紅巨星。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 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。Reefs are well developed in western hubei and eastern chongqing. through sedulous research, the whole acquaintance on types of reef builders, types of reef carbonatite, development and evolution of reef organisms, division of reef facies, distributing regularities of reefs and diagenesis has been concluded. according to the comprehensive studies, the following results and conclusions have been obtained
通過對鄂西渝東區上二疊統長興組生物礁造礁生物、沉積相、成巖作用的研究,認清了礁體的主要造礁生物類型、主要巖石類型、生長演化、相帶劃分、分佈規律以及成巖作用,可以得出以下結論和認識: 1生物礁主要分佈於晚二疊世碳酸鹽臺地內部和臺地邊緣,可分為三種類型。The anti - wearing property of chme steel is 15 percent to 35percent higher than zgmnl3, which is a widely used anti - wearing steel. the reason of the excellent mechanical properties and anti - wearing property of chme steel is that the heat treatment sturcture of chme steel is composed of tempered martensite, bainite, temper troostite, remaining austenite and carbonide
磨面分析表明, chme鋼基體高強度,高硬度、良好的強韌性配合和碳化物硬質點的彌散分佈,磨痕細短淺小,擠塑變形區細小均勻,抵抗沖擊滑動累積塑性疲勞能力強,是其耐磨性比zgmn13高的原因。The results show that the solidification microstructure of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) contains of martensite, retained austenite structure, and mc, m6c, m2c carbides, and mc / m2c complex carbides by xrd, sem and metallographs. most of the mc carbides locate in the cell and other carbides distribute along the boundary of the cell
結果表明:經金相組織觀察、 x射線衍射和掃描電鏡分析, fe - 2 c - 4 v - 4 mo - 5 cr - x w合金系高速鋼凝固組織包含馬氏體基體、殘余奧氏體及各種類型的碳化物如mc型碳化物、 m _ 2c型碳化物、 m _ 6c型碳化物和mc m _ 2c類型復雜碳化物,大部分mc型碳化物分佈於晶粒內部,其它類型碳化物則沿晶界呈網狀分佈。While still not evidenced in our experiment, liquid - phase doping of ammonium molybdate solution has been broadly agreed to be able to significantly increase the yield of swnts. we have developed another doping method, solid - phase doping of metal molybdenum at elevated temperature, and discovered that sol - gel prepared catalyst with such doping can be used to grow multi - wall carbon nanotube bundles in a very large scale
對催化劑進行摻鉬處理表明,它可顯著提高催化劑催化裂解甲烷合成納米碳管的能力:作者在高溫下進行了催化劑摻入金屬鉬的實驗,得到了一種性能優異的催化劑,以此制備的多壁納米碳管的呈束狀分佈,所得的粗產物與催化劑之間的重量比達15倍以上。In part 3, the in - situ copolymerization of ethylene was investigated by the combinations of the cobalt - based catalyst and the metallocene to prepare short - branched polyethylene. the major oligomers catalyzed by the cobalt - based catalyst 5, 6 and 7 werel - butene, and the minor were 1 - hexene. the comonomer effects were also observed
在雙亞胺基吡啶鈷配合物與茂金屬復配催化乙烯原位共聚制備短支鏈支化聚乙烯中,合成了3種雙亞胺基吡啶鈷配合物,研究了反應條件對其催化乙烯齊聚活性和所得產物碳數分佈的影響。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。A little ferrite and cementite, through the analysis of the strengther and ductiler, we draw the conclusion that this is very important in reality, observing the graphite nodule in sem and tem, there are many spheroiding element and anti - spheroiding elements in the core and edge of graphite nodule, they form the oxides sulphide and nitride. we draw the conclusion that they may be the core of graphite nodule
在掃描電鏡( sem )與透射電鏡( tem )上觀察石墨球,與傳統石墨球相比低碳球鐵的石墨球呈細小點狀分佈,球墨中心聚集有較多的球化元素而在邊緣處分佈有反球化元素。石墨球中心存在有氧化摘要一物、硫化物以及氮化物等組成的復雜的化合物,經分析認為它們是球狀石墨形核的有效核心。Analysis which was based on the fracture mode of mould in wire - cutting processing, and the results show that the partial - quenched of mould, the non - uniformity of blank temperature and the carbide segregation inside the material are the main reasons of deformation and cracking
摘要通過分析在線切割加工中模具的破壞形式表明:模具不完全淬火、坯料溫度的不均勻分佈、材料內部的碳化物偏析是模具變形與開裂的主要原因。The results showed that the fracture of the tooth - razor was brittle fracture, the material quality was normal, the main fracture reson was that the carbide in the microstructure of the tooth - razor was distributed as reticulation, the brittleness of the razor was increased and the toughness was decreased, so the tooth of the razor was broken by external force when it was working
結果表明,該剃齒刀的斷齒屬于脆性斷裂,主要是顯微組織中的碳化物分佈不均勻(呈網狀分佈) ,使刀具的脆性增大而強度、韌性下降,導致刀具在使用過程中由於外力的作用發生斷齒。Although the resistance to oxidation increases with the increase of tungsten, the netlike carbides distributed along the crystal boundary including m2c, m6c and complex carbides manifold by means of the analysis of optical microstructure, xrd and reckoning the volume fraction of carbides by lattice
1變質時;晶粒大小在扣100pm之問,而網狀碳化物明顯細化,網狀碳化物處在10 30um之間;用1 4 re1i mg復合變質后,晶粒大小在10 50um之間,網狀碳化物處在10 20um之間,組織細小而均勻,絕大部分晶界碳化物呈斷網狀分佈。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。It is suggested that the distribution of the depositional systems and the depositional facies have the clear characteristic that in the north of the research area, the alluvial fan sediment, the fluvial system and the delta system are the main styles of the depositional system, towards to the direction of basin the lacustrine, the barrier, the carbonate ramp system become the main depositional systems
受海平面升降變化控制,區內沉積體系和沉積相的分佈具有明顯的分帶性,北部靠近源區以沖積扇或河流及三角洲沉積為主,向盆地方向以湖泊或海岸障壁-瀉湖、碳酸鹽緩坡沉積為主。中二疊世北部源區發生構造抬升,當時古氣候逐漸乾燥,成煤環境結束,沉積物以陸相河流、湖泊三角洲占優勢。In order to improve the formation and distribution of carbides and the resistance to oxidation of high speed steel during the procession of heat treatment, the content of w and mo should be limited and the content of v and nb should be en
4 m復合變質處理的高速鋼fe衛ce v斗mo 5ocr刁0wi 5onb ,其熱處理組織中分佈著大量細小彌散的粒狀碳化物,碳化物網基本上得到消除。New achievements having been obtained in this field show that co2 participating in karst process in the epikarst dynamic system mainly comes from soil air co2 created by the organic carbon, in other words, although karst is a kind of biochemistric action in nature, distribution and transmit and cycle of carbon rely on changes of soil organic carbon. soil organic carbon is the greatest carbon storeroom. soil respiration emission of co2 is the most important passing entrance in carbon cycle of epikarst ecosystem
已有的研究表明:參與巖溶作用的co _ 2多數屬于土壤中生物成因,也就是說,盡管巖溶作用是一種自然界無機化學作用,但碳的分佈與轉移及循環仍以生物活動為紐帶的土壤碳積累為轉化中心,土壤有機碳構成系統最大的碳庫,土壤呼吸碳表現為該系統中最重要的碳流通途徑,因此進行土壤co _ 2濃度觀測及其影響因子分析是研究表層帶巖溶生態系統運行機制和全球碳循環的首要條件。It is pivotal to improve the formation and distribution of carbides in the solidification microstructure of composite rolls of high speed steel
採取必要的措施,預先改善鑄態高速鋼中原始碳化物的大小和分佈在復合軋輥用高速鋼中是很為關鍵的。Abstract : the microstructure of as - cast high cr injection micro - alloying martensitic cast iron and the substructure of martensite in it have been observed under sem and tem. the alloying element distribution related to phase formation, as well as the various types of branch and distortion of carbide in the martensitic cast iron have been explored by using x - ray diffraction and electron probe analysis
文摘:應用掃描電鏡和透射電鏡研究了噴射微合金化的鑄態馬氏體高鉻鑄鐵顯微組織及馬氏體的亞結構,並藉助x射線衍射與電子探針分析探討了合金元素的分佈與相形成的關系,以及碳化物的不同形式分枝與畸變。分享友人