熔合線 的英文怎麼說

中文拼音 [róngxiàn]
熔合線 英文
bond weld
  • : 動詞(熔化) melt; fuse; smelt
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. By the methods of epn ( electronic probing needle ) 、 sem and xed, the formation mechanisms of the wear - resistant composite layer are studied, the results indicated that, molten iron has infiltrated into the alloying layer under capillary action. this caused ht powder, whose fusion point is low relatively, to be surperheated and formed a surface composite layer

    利用電子顯微鏡及x射衍射等試驗方法,研究了復層形成機理,研究表明,復層是在毛細力作用下,鐵液被吸入金層中,致使低點ht粉過熱化而形成的,並與母材是冶金結
  2. However, in the area with strong magma mingling, there are widespread abnormal fabrics, distinguished differences in the idiomophic - textures and the peritectic reaction, poililitic texture, metasomatism among the minerals, metasomatic border, embayment, rimmed structure, abnormal plagioclase zoning, relict fabric as well as the acicular apatite are very common

    巖石的異常結構構造十分發育,礦物之間自形程度差異顯著,常見包晶反應、包含結構、交代邊、蝕邊、交代蠶食的港灣狀結構構造及交代縫、礦物鑲邊、斜長石異常環帶和礦物殘留等,多見指示巖漿混的標志性礦物針狀磷灰石。
  3. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接時,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊時,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  4. By analyzing the microstructure of as - cast alloys with different surplus of samarium added, the optimum surplus of samarium is decided. by comparing the microstructure of the alloys annealed for different time, the ideal and economical annealing time is confirmed. the microstructure and phase composition of alloys during the whole preparation of sm2fe17nx are analyzed using the scanning electron micrograph with energy - dispersive x - ray analysis and x - ray diffraction patterns

    本論文首先就煉工藝參數對鑄態組織微結構的影響進行了探討,並制定出一套較為適的煉工藝;通過對不同釤加入量的鑄態組織微觀結構的觀察分析,確定了原料配置過程中釤的最佳補償量;通過對採用不同退火時間的金組織進行比較,確定了理想、經濟的退火時間;同時還利用掃描電子顯微圖像和x射衍射圖譜,比較了整個制備過程中,試樣微結構和相組成的變化情況。
  5. 2, upon heating to their respective melting temperature, all the compounds above went to liquid crystal phase. the typical chiral smectic c phase lined texture and finger print texture, smectic fan texture and broken fan shaped texture, nematic schlieren texture schlieren texture and ball grandle texture, paramorphosis texture can be observed

    實驗結果表明:一,化物2 、 4 、 16 、 17和18均具有熱致液晶性;二,以上化物加熱至各自的點以上都能形成液晶態,在液晶態可以觀察到新的席夫堿型液晶冠醚的成與表徵手性近晶c相的層織構和指紋織構。
  6. Recognition of thermal analysis cooling curves and refinement of molten al - 7si alloys

    金熱分析曲識別與體細化處理研究
  7. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復材料吸水率提高,融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  8. Time - temperature superposition principle could bee applied to g " dependence on cd, and the dependence of shifted factor at on temperature demonstrated a linear relationship by a plot of in at vs. t - 1. the steady rheological measurements for nanocomposites melts were conducted. the results revealed that the melts of exfoliated nanocomposites with lower loading of org - mmt exhibited shear - thinning even at lower shear rate as compared with polymers filled with common particles, while the melts flow depended weakl

    研究結果表明仁復體系g 『和動態損耗模量寧的對數關系性呀g 『一109夕, _印維乖溫動態模量滿足時溫疊加原理,頻率移動因子( at )的對數與塌度的倒攀即種馬與了一『有良好的性關系?一_面,復體系體的穩態剪切流變行為具有不同於普通粒子填充聚性。
  9. The experiment set we are researching on is composed of four sections, namely remote control through coded radio, tube close driven by a electromotor, tube disjunction pushed by a electromagnet and power supplied by a single - phase dry - type transformer

    本實驗裝置主要由四部分構成,即密碼無遙控、電動機拖動閘、電磁鐵推斥管分斷、單相干式變壓器供電。
  10. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和長度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道長徑比的理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲和喂料體平均充填速度與充模時間關系的曲,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  11. It also has an automatic production line for stainless steel products making, which includes chip separators, tubing machines and polishing machines

    擁有從鑄、模具製造、擠壓成型及氧化、著色全套鋁型材生產,以及分條機、制管機、焊管機和拋光機等全自動不銹鋼生產
  12. If coreless melting furnace mainly for steel , alloy steel , cast iron , and other ferrous metal materials and stainless steel , copper , aluminum , zinc and other non - ferrous metal materials melting , melting with high efficiency , energy - saving , metal components uniform , burning less temperature or block , simple operation , easy to supporting the advantages of production lines

    中頻無芯煉爐主要用於鋼、金鋼、鑄鐵等黑色金屬材料以及不銹鋼、銅、鋁、鋅等有色金屬材料的煉,具有融化效率高、節電、金屬成分均勻、燒損少、溫升塊、操作簡單、易於配套生產等優點。
  13. Application of high - voltage explosion fuses is very abroad. in addition to protecting the electrical equipment by melting itself, disjunction or close of its tube can also be manipulated by a high - voltage insulative stick under some circumstance, for example, to switch on or off no - load overhead transmission line, no - load transformer and little burden current

    跌落式高壓斷器的應用極為廣泛,不僅能保護電氣裝置,在一定條件下還能直接用高壓絕緣鉤棒來操作管的分,以斷開和接通空載的架空路、小容量空載變壓器和小負荷電流。
  14. We apply the system to the ultra - fine grain steel welding, the simulated mean grain size in cghaz agreed well with the corresponding independent experimental data. in this paper, three factors influencing the grain growth, the steep temperature gradient in haz. the grain boundary liquid and the precipitates particle, were studied specially using mc technique

    研究表明溫度梯度造成的「熱釘扎」現象和晶界液化現象都對靠近熔合線附近的晶粒長大有明顯的阻礙作用,對最終的晶粒大小分佈有重要的影響:而800mpa超細晶粒鑰中的tin粒子山于溶解溫度高,抑制奧氏體晶粒長大的效果十分顯著。
  15. We must first clear of the old line, when constructed line, motor drive the cutter made of hard metal alloy to revolve at high speed, then erase old line

    在有殘損熱的路面進行劃施工時應首先用清除機將舊標清除干凈。該機使用發動機帶動硬質金製成的打磨頭高速旋轉,打磨頭在旋轉離心的作用下與路面凸起部分磨,將舊清除。
  16. In this paper the formula, the technics, the dosage of the filler and the macromolecule coupling agent are studied which influence the technics condition, mechanical properties, structure configuration. also x - ray large angle diffraction, scan electron microscope, dta etc are used to analysis and test the properties of the pp / talc composites. conclusions as follows : 1

    本文系統地研究了復體系配方、工藝方法、填料及偶聯劑用量對復體系工藝條件、力學性能及結構形態的影響,同時利用廣角x射衍射、掃描電鏡、 dta等對復體系的性能進行了測試與分析,主要研究內容及結論如下: 1滑石粉的加入,雖然使pp的化時間增加,但是混煉能耗下降,有利於pp的加工;偶聯劑的加入,使pp的化時間增加,能耗略有降低,總體而言,對加工無不利影響。
  17. Hardmetals. determination of contents of metallic elements by x - ray fluorescence. fusion method

    硬質金. x射熒光法測定金屬元素的成分.融法
  18. It is observed that considerable liquation microcracks and some other microffissures called solid - state microcrack initiate in the regions nearby the fusion line and propagate across the grain boundary

    研究發現,熔合線附近的熱影響區產生大量液化裂紋和沿晶擴展的固相裂紋。
  19. The lines are the small lines resulted from the convergence of melting materials of two kinds or more. the causes are

    是二道或二道以上融材料流所形成之細,發生之原因如下:
  20. Reaction, which consists of several steps. interested students should look up the textbooks for a discussion of the details of the p - p chain reaction. the net effect is that four hydrogen nuclei fuse into a helium nucleus and produce a large amount of energy carried away by the photons in the form of gamma ray and others particles

    ,這種機制包括一連串的核反應有興趣的讀者可參考課本較詳細的討論,但總結果是四顆氫原子為一顆氦原子,過程中會以發放伽瑪射光子及其他粒子的形式釋放出大量能量。
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