arc melting 中文意思是什麼

arc melting 解釋
電弧爐熔煉
  • arc : A. R. C. ＝ American Red Cross 美國紅十字會。n. 1. 弧；弓形，拱（洞）。2. 電弧，弧光。
  • melting : adj. 1. 融[熔]化的。2. 心軟的，受感動的，易感動的。3. 使人感動的，使人感傷的，溫柔的，動人的。
  1. Distant effect of jurassic collisions of qiangtang terrane, lasa terrane and paleo - pacific land onto the eurasian land made east qinling - dabie mountains in a compressional circumstance for a long time, and suppressed its orogenic extension ; whereas, cretaceous late - collisional extension and appearance of west pacific trench - arc - basin system relieved east qinling - dabie mountains of external compression, instantly result in violent orogenic lithosphere delamination - extension and depressurized - calefactive melting, and consequently, led to the formation of large scale early cretaceous granitoids and intermediate - acidic volcanic rocks

    羌塘地體拉薩地體和西太平洋古陸在侏羅紀與歐亞大陸拼貼碰撞的遠距離效應使東秦嶺大別造山帶長期處于擠壓環境，伸展作用被抑制白堊紀的碰撞晚期伸展和西太平洋溝弧盆體系的遠距離效應使東秦嶺大別地區的外部擠壓消失，導致造山帶巖石圈迅速強烈拆沉伸展和減壓增溫熔融，從而形成大規模早白堊世花崗巖類和中酸性火山巖。
  2. 2. 6 2. 7ga, these granitoids are most likely to be derived from the partial melting of hybrids both 2. 6ga metavolcanic materials in archean wutaishan magmatic arc and older continent crustal materials under lower than 1. 2gpa. petrological and geochemical characteristics of wangjiahui granitoid intrusion suggest that is probably fored under post - collisional tectonic background

    2 . 1ga在- 3 . 82 - 2 . 80范圍，表明王家會古元古代花崗巖最有可能形成於大約2 . 6ga五臺山大洋島弧火山巖物質和更老的陸殼物質在
  3. On account of the solidification character of rare earth alloys, the zone melting is improved by putting the alloys prepared by arc - melting into the quartz tube, then melting

    鑒于稀土化合物凝固結晶的特點，對區熔法進行了改進，將電弧爐熔煉好的樣品裝入石英管中，封石英管后在區熔設備上進行區熔。
  4. Paleoproterozoic ; wangjiahui granitoids ; partial melting ; recycling of islands arc and continent crustal materials ; tectonic transition ; wutai mountains

    古元古代王家會花崗巖部分熔融島弧和陸殼物質再循環構造轉換五臺山
  5. Alloy fabricated by arc melting consists of continuous nbssi matrix and dispersive distributed nb particles. the metastable nbasi phase is found to have a tetragonal crystal structure with space group p42 / n and lattice parameters a = 1. 021nm, c = 0. 519nm

    O 0 ）金屬間化合物的顯微組織由連續的nb3si基體、彌散分佈的nb粒子組成，其中亞穩態相nb3si為四方結構，空間群p42 n ，點陣常數a l
  6. The dcep mig has the characteristic of deeper penetration which can reduce defective fusion and good arc stabilization. the dcen mig has the characteristic of shallow penetration of welding seam, and the welding wire has a high melting speed. so the variable polarity pulsed mig is a new technology for the welding of aluminium alloy sheet

    變極性脈沖mig焊是一種新的焊接工藝方法，其綜合了dcep脈沖mig焊熔深較大、可以減少焊縫的熔合不良、電弧穩定性好和dcenmig焊焊縫熔深淺、焊絲熔化速度較快的特點，減小了焊縫的熔深，增加了焊絲的熔化速度，是一種適合於薄板鋁合金焊接的新方法。
  7. The geochemical signatures show that the volcanic rocks in the jingzhushan formation were formed in the island - arc environment as crustal thickening - melting products in a compressional tectonic setting

    地球化學特徵表明，竟柱山組火山巖形成於島弧構造環境，是擠壓背景下地殼增厚熔融的產物。
  8. It is presented that the hydrous fluxing as well as adiaba tic decompression plays an important role in melting of morb - like mantle beneath marina trough. compared with basalts from other back arc basins, it concludes that the magma varies from morb - like to arc - like with the evolution ; during the earlier stage of evolution, there coexist the two morb - like and arc - like lavas, it may be the nature of the magma in back arc basins ( especially in the earlier stage )

    綜合馬里亞納海槽和其他弧后盆地玄武巖的研究成果發現，弧后盆地特別是早期擴張的弧后盆地，其巖漿產物均具從似島弧型到似洋中脊型玄武巖的時空演化特徵；同時存在島弧型和morb型兩種熔巖，可能是弧后盆地（特別是早期擴張弧后盆地）巖漿作用的一個共同屬性。
  9. Heater adopts high quality stainless steel, alloy heating wire, electrical melting mgo powder etc. to make the heating elements after passing advanced technology such as coiling wire, shrinking tube, removing humidity and sealing etc. the connection between flange and heating tube adopts hydrogen arc welding and vacuum lead welding to guarantee the heater without leakage under high voltage

    加熱器採用優質不銹鋼管合金加熱絲電熔氧化鎂粉等材料，經繞絲縮管排潮封口等先進的生產工藝製造而成的發熱元件法蘭與電熱管的聯接採用氬弧焊及真空釬焊，保證了加熱器在高壓下的不滲漏。
  10. The single fiber sensor head was investigated experimentally and theoretically. two kinds of sensor head fabrication methods were demonstrated and compared, which are the electrical arc melting and mechanical grinding respectively. a mathematic model of fiber tip reflection was established by the method of ray - tracing

    論文提出並比較了兩種製作單光纖傳感頭的方法：電弧拉製法和光纖研磨法；利用光線追跡法建造了單光纖傳感頭的數學模型。
  11. The results indicate that arc melting is a good method to produce nb - si system intermetallics due to its simpler technics, lower cost and compact products. however, powder metallurgy is found to be not suitable to produce the nb - si system intermetallics due to its coarse and loose products resulting from the poor molding property of nb and si mixed powders. optical floating zone technology, which is used to fabricate nb - si intermetallic composites for the first time, is also found to be a good way to produce nb - si system intermetallics because of its compact products and good property despite of its relatively high cost

    結果表明，電弧熔煉方法制備得到的nb - si系金屬間化合物比較緻密，且制備工藝簡單，經濟實用，是一種合適的nb - si系金屬間化合物制備方法；由於nb 、 si元素粉末的成型性很差，用粉末冶金方法（熱壓燒結和冷等靜壓）制備的nb - si系金屬間化合物表面粗糙、緻密度低，且成本較高，不宜用於制備nb - si系金屬間化合物；首次用光學懸浮單晶生長技術制備的nb - si系金屬間化合物復合材料緻密度很高，盡管成本稍高，但由於性能最佳，也是一種合適的nb - si系金屬間化合物制備方法。
  12. Based on analysis for vacuum arc remelting process and according to actual melting condition, some partial strategies which is helpful for control of melting aim were presented, for example, arc length control, melting speed control, decouple control and so on

    摘要通過對真空電弧重熔爐工藝過程的分析，根據冶煉實際情況，提出了一些有助於控制冶煉目標的局部策略，如弧長控制、熔速控制、解耦控制等。
  13. The single - slag steel melting method affected by the main process parameter of arc furnace

    電弧爐主要工藝參數對單渣法煉鋼的影響
  14. Arc melting metal powder

    電弧熔化用的金屬粉末
  15. A sort of argon arc remelting technique : alloy wire direct melting - into

    合金焊絲直接熔入法
  16. In this paper, an ingot of niobium - niobium silicide based in - situ composites ( rmics ) was prepared by arc melting process, and nb - nb3si / nb5si3 in - situ composites with a uniformly orientated microstructure were produced in a high temperature gradient directional solidification apparatus named electron beam floating zone melting ( ebfzm ). the relationships between the processing parameters and the characteristics of the solidified microstructure have been investigated. the influence of the microstructure on the mechanical properties has been revealed and the rupture mechanism at room temperature has been discussed

    本文採用真空電弧自耗熔煉法制備了鈮?硅基rmics材料的母合金錠，並採用電子束區熔（ ebfzm ）高溫度梯度定向凝固裝置制備了定向效果良好的nb - nb _ 3si nb _ 5si _ 3共晶自生復合材料，並對其定向凝固工藝參數和組織之間的對應規律、組織特性進行了研究，探討了凝固組織對室溫力學性能的影響及其斷裂機制。
  17. Vacuum arc melting

    真空電弧熔化
  18. It is difficult to prepare eufe by arc melting for the little difference between the bolting point of eu which is 1596 ? and the melting point of fe which is 1538 ?

    Eu的沸點是1596 ， fe的熔點是1536 ，二者非常接近，所以eufe合金的制備比較困難。
  19. The foundation to develop nb - si system intermetallics base high temperature structure materials has also been established in some degree in this paper. arc melting, powder metallurgy and optical floating zone technology have been used and compared to fabricate the nb - si system intermetallics

    運用電弧熔煉、粉末冶金熱壓燒結、粉末冶金冷等靜壓和光學懸浮單晶生長技術等方法制備了nb - si系金屬間化合物，並對這四種方法制備的nb - si系金屬間化合物進行了比較。
  20. The thesis apply a method of genetic algorithm which is combined with sweden arc method to program to calculate, and regard destroying of beiyin edge slope during freezing - melting eroding as important destroying factors. above two points are the emphases and breakout point

    本文在邊坡穩定分析中利用遺傳演算法與瑞典圓弧法相結合，進行編程計算，並且把凍融侵蝕對北引渠道的邊坡破壞作為重要的破壞因素進行分析研究，以上兩點是本文的重點和突破點。
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