過度熔化 的英文怎麼說

中文拼音 [guòdùrónghuà]
過度熔化 英文
excessive fusion
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 熔 : 動詞（熔化） melt; fuse; smelt
  • 過度 : excessive; over; undue; ana-; hyper-
  • 熔化 : melt; smelt; meltdown; fusion; fusation; diatexis; eliquation; run; melting; smelting
  1. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後，綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料，得出如下結論：本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖；與中國東部以及華北地臺上地幔相比，研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵，局部熔融程度較高；上地幔存在橫向和縱向的不均一性，從西部的克里陽到喀拉喀什河和玉龍喀什河流域， al和lree富集程度呈下降趨勢，不同來源的相同礦物中主元素的含量差異較大；地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用；玄武巖漿的起源深度73km ；從幔源重砂礦物的溫壓估算結果，可以推斷出巖石圈厚度可達204 . 9km ；綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分，認為研究區具備了金剛石成礦地幔地質條件。
  2. The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated

    過程機制為：擠壓形變組織在加熱過程中首先發生再結晶長大變為顆粒狀等軸晶；隨溫度升高和保溫時間延長，等軸晶發生局部熔化，液固界面的曲率過熱使晶粒外形向球狀轉變。
  3. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究，並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比，得出本區花崗巖類巖石具有以下特徵：屬磁鐵礦-型或同熔型花崗巖，其巖漿物質具殼幔混源特徵：主要由熔融態巖漿經結晶分異作用，通過多期變速上侵而形成；其分異演化程度較低；寄主巖基和包體具有同源性；巖石的形成溫度范圍約為500 - 700 ，壓力大約為2 . 50gpa - 4 . 35gpa ，氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ；該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期，為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
  4. It is found that the nano material is distributed not only among general material grains to form inter - granular structure of the coating but also in the general material grains to form intra - granular structure. micro - crack caused by laser will be eliminated greatly. 3 mechanical performances of the ceramic coating manufactured are tested

    得到的結論是經過激光熔覆后的塗層緻密化程度有了很大的提高，比單純的激光重熔塗層還高，納米顆粒不僅填充在晶粒之間，而且還嵌入在大晶粒內部，有利於消除激光作用產生的微裂紋。
  5. The results show a few grooves appear on the worn surface of the composites which contain 10 phr nano - al2o3 there are a great many grooves on the worn surface of the composites containing 20 phr. in addition the deeper cracks also appear. this shows that excess nano - al2o3 particles ca n ' t improve wear properties of pa6 ' s. the proper content of nano - al2o3 in the matrix can enable the molecular chains of pa6 to produce closed joints which resemble the physical crosslinking

    尼龍6 / a12o :復合材料的加工性能研究表明:隨著納米a12o3的加入，復合材料的熔體流動速率下降，納米a12o3含量越大，下降越明顯，即隊6 / a12o3納米復合材料的加工性能越差;隨著納米a12o3的加入，復合材料的轉矩和塑化時間都增加，當含量小於巧phr時，隊6復合材料的轉矩增加幅度不大，當含量超過15phr后，轉矩急劇升高。
  6. In sintering process, for melted mineral fines bind unmelted core ores when cooled, the self - intensity of binding phase in iron ores is one of the basic indexes to estimate sintered binding status

    摘要在鐵礦粉燒結過程中，熔化的礦粉在冷卻過程中起著粘結周圍未熔礦粉的作用，因此這一粘結相的自身強度是衡量燒結礦固結狀況的重要指標之一。
  7. It is found that the chemical durability of na2o4teo2 glass is dominated by the humidity of the surrounding air during the processes of glass melting and the following cooling. the mystery that na2o4teo2 glass crystallizes after drop shaft experiment, which has puzzled glass researchers for many years, is solved. this work indicates a way for making na2o4teo2 glass with good chemical durability

    此反應主要受玻璃在熔化和冷卻過程中的環境濕度控制，存放過程中的空氣濕度對它也有影響，這解決了困惑人們多年的落塔實驗中na _ 2o ? 4teo _ 2玻璃析晶的問題和na _ 2o ? 4teo _ 2玻璃穩定性難以控制的問題，為制備空氣中穩定的na _ 2o ? 4teo _ 2玻璃提供了明確的依據。
  8. The technological capabilities of electronic solders were presented through analysis the action of solders in the soldering process, which includes temperature of melting or solidifying, anti - oxidation capability, wetability and overflow capability

    摘要通過分析焊料在釬焊過程中的行為，提出了電子焊料的工藝性能主要包括熔化固化溫度、抗氧化性、潤濕性和漫流性。
  9. Using the traits of arc adjust itself of the co _ 2 welding, adopting slow - descending feature or even feature of electrical source equipping with system that delivering the welding rod at the invariable speed, then, the arc burning steadily is realized, and the quality of welding is improved

    利用co _ 2氣體保護焊電弧的自身調節特性，採用緩降或平硬特性的電源配等速送絲系統，通過改變電源空載電壓來調節電弧電壓，再利用電弧電壓和熔化速度之間的關系調節焊絲熔化速度使之等於送絲速度，最終實現電弧的穩定燃燒。
  10. Based on the experimental data, a melting mathematical model has been set up. the calculated melting rate of scrap was consistent with experimental value

    摘要在油氧火焰熔化棒體實驗基礎上，通過建立數學模型，與實驗進行對比研究。結果表明：實驗結果與熔化數學模型計算棒體的熔化速度相符合。
  11. As well - known, there is an induced current on the surface when metal material is in the high frequency electromagnetic field, since tending to skin heating effect to make the temperature of metal material surface go up promptly, surface beginning melt when temperature reaches the melting point of metal, metal material is heated up continuously by surface to core till the metal droplet of melting

    自懸浮定向流技術制備金屬納米微粒與一般的蒸發冷凝法有所不同，其原理是：金屬材料在高頻電磁場中產生表面感生電流，由於趨膚加熱效應使得金屬材料表面的溫度迅速升高，當溫度達到金屬的熔點時表面開始熔化，通過熱傳導作用金屬材料由表面到芯部不斷加熱直至熔化成金屬液滴。
  12. Based on traditional pid controller, by using fuzzy neural network to identify the process and bp neural network to tuning the parameters of pid, a neural network adaptive pid controller is constructed and optimal control of glass - furnace melting pond temperature is achieved

    本文在常規pid控制器的基礎上，利用模糊神經網路對過程進行辨識，開採用bp神經網路調整pid控制器的三個參數，構成了神經網路自適應pid控制器，實現玻璃窯爐熔化池溫度的優化控制。
  13. Finally, the roughness of sidewalls is reduced greatly by rising the temperature, which results in more effective discharging of air bulbs in the melted surface

    再一方面，通過升高材料溫度的方法，有助於激光加工過程中側壁熔化層內氣泡的有效析出，可以大幅降低側壁粗糙度。
  14. Aiming at reducing the roughness of the sidewalls in the manufacturing of the pmma liquid pool by co _ 2 lasers, in the hypothesis that the intensity of the laser has a guassian distribution, the temperature distribution in slab material with limited thickness is studied according to traditional thermal conductive formulas, and the condensing progress of the melted surface of sidewalls is researched. it is concluded from the discussion of temperature distribution that the air bulbs is the major reason for the roughness of the sidewalls

    為降低co _ 2激光加工pmma材料儲液池側壁粗糙度，本文根據傳統的熱傳導方程，假定激光強度為高斯分佈，對有限厚板狀材料的溫度場進行分析;並考察側壁表面熔化層凝固過程的特徵;結果表明，側壁粗糙度形成的主要原因在於側壁表面熔化層凝固前氣泡未及時析出。
  15. Embedded in a flux of dehydrated b2o3, melts of ge and ag etc. were undercooled by repeatedly treatment of melting and solidifying with a dsc facility, with undercooling of 190 k and 146. 9 k respectively for ge and ag

    對半導體ge 、金屬ag等樣品的過冷現象進行了研究和分析。通過助熔劑包裹和反復熔化與凝固處理，實驗得到的ge 、 ag的最大過冷度分別為190k和146 . 9k 。
  16. The coupled turbulent flow field and temperature field are simulated by finite element method ; the influence of casting speed on the turbulent flow field and temperature field in the melting bath and the interaction between those two field are analyzed ; the variation tendency of the heat flux intensity between the melting bath and casting roll and law of variation with changes of casting speed in the process of solidification are given ; a comparison between the simulation results and experimental results demonstrates their good agreement ; and the mechanism of the heat flux variation is identified by analysis on the temporature gradient and development of solidification within the melting bath and its influence on the variation of the heat flux intensity

    採用有限元法模擬了雙輥鑄軋不銹鋼過程的流熱耦合問題;分析了鑄軋速度對熔池內流場、溫度場的影響以及流場與溫度場之間的相互影響;給出了凝固過程中熔池與鑄軋輥之間的熱流密度變化趨勢及隨鑄軋速度的變化規律，並把此模擬的結果與試驗的結果相比較，吻合較好;通過熔池內溫度場及溫度梯度分析了熔池內凝固的發展及其對熱流密度變化的影響。
  17. Materials are fused together using ultrasonic energy which generates vibrations that melt materials seamlessly together at temperatures above 250 celsius

    通過利用可以產生震動的超聲波能量將材料溶和在一起，這種震動在高於250懾適度的溫度下將材料無縫熔化。
  18. But the vaporization of magnesium suggested an alternative method : we could seal a piece of magnesium and some powdered boron inside a tantalum vessel, which is inert, and subject them to a temperature high enough to melt but not to boil the magnesium ( say, 950 degrees c )

    不過，鎂的汽化卻也啟發了另一種方法：我們可以將鎂及一些粉狀的硼密封在鉭瓶中（鉭為惰性元素） ，然後將它們加熱至足夠的溫度（例如950 ） ，使得鎂呈現熔化但尚未沸騰的狀態。
  19. In the process of alloy melt and infiltrate the boron carbide, reaction between the boron carbide and aluminum interface occur, the key of achieving a good interface bond is the control of the reaction between the boron carbide and aluminum interface

    研究表明，在熔融鋁潤濕碳化硼預制體並向碳化硼預制體中浸滲的過程中，取得良好界面結合的關鍵是保證在預制體達到完全浸滲前不發生過度的界面反應。
  20. They accumulated so quickly that the heat generated by the process melted the outer portion of the nascent moon and formed a global ocean of liquid rock, or magma

    它們聚積的速度之快，使得過程中產生的熱熔化了初生月球的外部，並產生了全球性的液態巖海，或稱為巖漿。
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