延性鐵 的英文怎麼說
中文拼音 [yánxìngtiě]
延性鐵
英文
ductile iron-
For solving the problem of wear and tear of the bended tube of a coal powder boiler in the thermal power plant, the cementite pipe is substituted by the complex steel pipe lined with porcelain
摘要針對熱電廠煤粉鍋爐彎管存在的磨損問題,採用陶瓷鋼鐵復合管替換碳鋼管,耐磨性提高,壽命延長30倍。The copper, iron, nickel and silver deposits might be assigned to four metallogenic series : i. the metallogenic subseries of copper, molybdenum, gold, silver deposit related to late devonian - early carboniferous basic - intermediate - acid hypabyssal intrusive - eruptive rocks ; ii. the metallogenic subseriesof iron, copper, zinc deposits related to early carboniferous basic - intermediate - acid volcanic - intrusive rocks ; iii. the metallogenic subseries of copper, silver, iron deposits related to middle - late carboniferous basic - intermediate - acid volcanic - intrusive rocks ; iv. the metallogenic subseries of copper, nickel and platinum group deposits related to late carboniferous - early permian basic - ultrabasic rocks ; 3, division of regional major metallogenic belts on the basis of the previous work conducted and by following the principles, grounds and methods of the division of metallogenic belts, areas and fields, . in light of this, metallogenic belts of grade iv were divided
1 、按照成礦系列理論的學術指導思想,將研究區華里西期銅礦床成礦系列劃分為四個成礦系列亞系列: 、晚泥盆?早石炭世延東?土屋?三岔口與中酸性巖漿侵入活動有關的cu 、 mo 、 au礦床成礦亞系列、早石炭世與巖漿作用有關的鐵、銅、金、銀礦床成礦亞系列、中石炭世與巖漿作用有關的cu 、 fe 、 ag 、 au礦床成礦亞系列、晚石炭世-早二疊世與幔源基性?超基性巖有關的銅、鎳、鉑族礦床成礦亞系列並從地層、巖漿巖、控礦構造、地球化學、成礦特徵等方面對各成礦亞系列進行了詳細論述。It is this nodular microstructure of carbon in ductile iron which produces high ductility and shock resistance while the flake form of cast iron results in no malleability
正是這種碳的球狀微觀結構,使得球墨鑄鐵具有更加良好的展延性和抗沖擊性,而鑄鐵內部的薄片形式導致鑄鐵沒有展延性。Moke and fmr studies were performed on epitaxial single crystalline fe ph. d thesis ; investigations of magnetic properties on magnetic thin, ultrathin and patterned films ultathin films on iii - v semiconductor inas substrate with thickness of 8 - 25monolayer ( ml ). the major findings are listed below : ( 1 ) the in - plane magnetic crystalline anisotropy of film with 8 - 25 ml thick are four - fold anisotropy, and the in - plane unixial anisotropy of fe / inas films decreses faster with thickness than that in fe / gaas films. it could be explained that the stain relaxation of fe / inas films is also faster than that in fe / gaas films as indicated by leed
對于外延生長在inas襯底上、厚度為8 - 25ml的超薄fe單晶膜進行了鐵磁共振和磁光研究,獲得以下幾點結果: ( 1 )膜厚在8 - 25ml之間時,薄膜面內的磁晶各向異性為四度對稱各向異性,垂直單軸各向異性比同厚度的fe gaas系統小許多,而立方各向異性則比fe gaas系統更接近bcc結構的fe 。In this thesis, mainly by fmr, combined with moke and magnetic measurement, systematical studies have been made on the magnetic properties, especially magnetic anisotropy in epitaxial single crystalline fe ultathin films on gaas and inas substrates in polycrystalline thin films and in polycrystalline nife and nifeco patterned films of micron and submicron rectangular elements arrays
本論文以鐵磁共振為主要研究手段,輔助以磁性和磁光測量,對外延于gaas及inas上的不同厚度的單晶fe超薄膜、不同厚度的nife多晶薄膜和電子束光刻的多晶nife和nifeco單層利三明治結構的微米及亞微米矩形單元陣列圖形薄膜的磁性,特別是磁各向異性進行了較為系統的研究。Iron and steel products. steel cold ductility determination. compression test
鋼鐵產品.鋼的冷延展性測定.壓力試驗Gaskets regularly furnished in class 150 and 300 wedgeplug valves are corrugated soft iron of excellent strength and ductibility. classes 600 - 1500 are ring - joint type
壓力等級為150和300的楔形塞閥門通常配置的墊圈是波紋狀軟鐵,具有優異的強度和延展性。壓力等級600 - 1500則採用環連接類型。It is a dozen metals in one ; now almost diamond - hard - - and again almost as soft as copper ; here brittle as glass ? there malleable1o as silver ; now welding quite readily - - again, very difficult to weld ; melting rather easily - - at other times difficult to diffuse ; usually very magnetic - - and : again almost non - magnetic ; an excellent conductor of heat and electricity - - and at times stubbornly resistant to both
鐵將十多種金屬特性合而為一:時而幾乎堅硬如金剛石,時而又柔軟如銅;此處易碎如玻璃,彼處又可展延如銀;時而很容易焊接,時而又很難焊合;有時相當易熔,有時又極難擴散;通常情況下富有磁性,但有時又幾乎磁性全無;本是熱和電的優良導體,但有時卻頑強地抗拒二者。Baseing on the request of low coercivity and high squareness in application, we had confirmed the main formulation of the lizn ferrite ; during the study of the conventional ceramic process, with the main formula foundation, we mainly studied the influence of ti4 +, co3 + on lowering coercivity and bi2o3, v2o5 on lowering sinter temperature. the results showed bi2o3 good characteristic on lowering sinter temperature and the sample which mixed with 1 % bi2o3 could reduce 40 % coercivity through slowing heating rate and extending the holding time
在氧化物陶瓷工藝技術研究中,按實際應用中低矯頑力、高矩形比的要求,確定了lizn鐵氧體的主配方,在主配方基礎上進行了ti4 + 、 co3 +等離子對降低矯頑力的研究以及添加bi2o3 、 v2o5助熔劑對降低燒結溫度的研究,發現bi2o3具有優良的降低燒結溫度的特性,在添加bi2o3樣品燒結過程中,降低升溫速率,延長保溫時間可以降低40 %左右的矯頑力。Because of its excellent properties, such as high strength, high module, wear resisting, and etc., sicp was added to ferroalloy as a reinforce phase. but the intrinsic difference between the bonds led to poor fabrication of the composites. in this paper, the effects of alloying, sintering, and heat - treatment on the properties and microstructures of sicp / ferroalloy - based composites were studied, : it was found that sic particles reacted with ferroalloy when sintered in 1100
碳化硅因其高強度、高模量、耐熱、耐磨等優良性能而被作為顆粒增強體來制備鐵基復合材料,但因其共價鍵與鐵基體的金屬鍵之間的本質區別導致兩者復合困難,本文擬從基體合金化、燒結及熱處理工藝等方面對鐵合金基復合材料組織與性能的影響進行考察,具體內容如下:加入fe - cu - c基體中的sicp顆粒, 1100燒結時就已經開始發生分解,但反應不強烈,在顆粒表面鍍鎳可以延緩基顆粒與基體之間的反應。Abstract : based on the ahievement of epitaxial growth in several perovskite oxide films, we discuss the importance of substrate temperature ( ts ) and substrate material in the epitaxial growth of perovskite oxide thin films. influences of ts on growth orientation and epitaxial threshold temperature were observed. the results indicate that during the growth of the oxide films the phase formation and growth dynamics should be taken into consideration. the threshold temperature for epitaxial growth depends on the substrate materials. this demonstrates the influence of substrate material on the initial nucleation and epitaxial growth
文摘:在成功地外延生長超導、鐵電、鐵磁等多種性質的鈣鈦礦結構氧化物薄膜的基礎上,討論影響氧化物薄膜外延生長的一些因素.考慮到相形成和薄膜生長動力學,在利用脈沖激光淀積法外延生長氧化物薄膜中襯底溫度是十分重要的工藝參數.襯底溫度對成相和生長薄膜的取向都有影響.考慮到薄膜是首先在襯底表面成核、成相併生長.因此襯底材料晶格的影響是不容忽視的.觀察到襯底材料對薄膜外延生長溫度的影響.在適當的工藝條件下,利用低溫三步法工藝制備得到有很強織構的外延薄膜.這突出表明界面層的相互作用對鈣鈦礦結構薄膜的取向有著相當大的影響Amorphous can be obtained at certain composition range using ball milling. the size of the amorphous particles decreases with the lengthening of milling time, and reaches several nanometers. experiment also shows that the mixture powder is well ferromagnetic
實驗發現,在一定成分范圍內通過球磨可以獲得非晶,非晶粉末顆粒大小隨球磨時間的延長而減小,最終達到幾個納米;同時發現,該混合粉末具有良好的鐵磁性。Ductile iron pipes and fittings - screwed socket joints - assembly, sockets, screw rings, sealing rings and slip rings
延性鑄鐵管道和配件.螺紋套管接頭.組件套管螺絲Optimum ductility is obtained with a ferritic matrix, therefore, all nibco ' s ductile iron pressure containing parts are treated with a ferritizing annealing cycle
通過鐵素體基體可獲得最佳的展延性,因此,所有美國尼伯科球墨鑄鐵的壓力負載部件都經過鐵素體化退火周期的工藝處理。Results show that profit gained by incorporating the time delay between axles in the control laws designed with track spectrum information decreases rapidly with the enhancement of running speed, comparatively including track spectrum is more important in control law design of railway vehicle active suspension
分析表明,依據軌道不平順譜以及輪軸時延能實現最佳的控制性能;但隨著速度的提高,其相對于僅依靠軌道譜信息而設計最優控制規律的收益大幅下降;相對而言,鐵道車輛依據軌道譜信息設計主動懸掛控制規律非常重要。In this work, the influences of fabrication process on microstructure, dielectric properties, ferroelectric properties and pyroelectric properties of plt films have been studied. plt films were prepared on the pt ( 111 ) / ti / sio2 / si ( 100 ) substrates by radio frequency magnetron sputtering method and then annealed by rapid thermal annealing process ( rta ) or conventional furnace annealing process ( cfa ). with the help of atom force microscopy ( afm ), x - ray diffraction ( xrd ) and some other apparatus, it was found that : lower substrate temperature ( ts ) was helpful for plt films to form better surface morphologies. with the increase of substrate temperature, the dielectric constant of plt films increased
Afm 、 xrd以及性能測試結果表明:較低的基片溫度有利於形成表面均勻緻密的薄膜,且薄膜的表面粗糙度均方根較小;隨著基片溫度的升高,經過快速退火的plt薄膜的介電常數逐漸增大;相比于傳統退火,快速退火縮短了退火時間,提高了薄膜的介電和鐵電性能;快速退火隨著保溫時間的延長,大部分鈣鈦礦結構的特徵峰的峰強增大,半高寬減小,峰形越來越尖銳,但當保溫時間為80s的時候, ( 100 )和( 110 )峰的強度有所下降,因此保溫時間在60s較為適宜。Ductile iron pipe with cement lining
水泥襯里延性鐵管Standard test method for conducting drop - weight test to determine nil - ductility transition temperature of ferritic steels
進行下落重力試驗以測定鐵素體鋼尼爾延展性過渡溫度的標準試驗方法The design concept of the automatic security shutoff is a hinged door closing onto a knife - edged seat fully contained in a high - grade ductile iron body ( or steel casting )
自動安全關斷的設計原理是由內置於高品質延性鑄鐵?或鑄鋼?閥體,以鉸閂的閥門閉鎖在一具有刃緣的閥座上。Ductile iron pipes, fittings, accessories and their joints for water pipelines - requirements and test methods ; german version en 545 : 2002
水管路用延性鑄鐵管道配件附件及其接頭.要求和試分享友人