熔化率 的英文怎麼說
中文拼音 [rónghuàlǜ]
熔化率
英文
aufschmelzrate-
Ag melting and superheating at high heating rate
升溫速率對金屬熔化和過熱的影響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。Using the thermodynamic conditions describing the coexistence of two phases and the stability conditions of equilibrium state, we have calculated the normalized temperature and the normalized pressure of the triple point ( t1, p1 ), the melting curve, vapouring curve and the sublimation curve. the whole phase diagram of the 2d monatomic l - j system is obtained
和杜宜瑾等人的方法類似,我們先給出了系統在相變點時的一些參數的數值,在此基礎上,考慮占據率q的因素,利用相平衡的熱力學條件及平衡態的穩定性條件,得到了二維單元l - j系統的熔化曲線、汽化曲線、升華曲線以及三相點的位置,從而給出了該系統的完整的三相圖。Integrating melting, purification and solidification, the system has convenient control, strong ability to mix and oxidize and higher efficiency, and can produce pure and high - class materials with unidirectional microstructure
該工藝將真空感應熔煉和連續定向凝固技術結合在一起,集熔化、提純、凝固於一體,控制方便,攪拌、脫氧能力強,生產效率高,能生產純凈度高、性能好的定向凝固材料。Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. , if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios
文摘:在某些廢鋼熔煉過程中,當爐料中含碳及碳氫物質且燃燒不充分時,會帶來煙氣中一氧化碳的燃爆、油污揮發時造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成分隨時間的改變以及二次燃燒率的變化,試驗結果表明,反應過程的限制性環節是油分的熱分解;在較低的溫度下( co ) / ( co2 )比例影響轉化率和二次燃燒率;而在任意比例下保證充分反應的溫度為900以上Demands on new compositions, higher pull rates, and improved glass quality are met with utilisation of tank operation feedback, melting laboratory investigation, and mathematical modelling
基於新玻璃配方、更高的熔化率和更好的玻璃質量的要求,新的設計應在實際的熔窯操作經驗反饋、實驗室熔化試驗和數學模型的基礎上進行。The traditional measuring method of melting and crystallizing temperature is complex and inefficient
摘要傳統的熔化溫度和結晶溫度測量方法復雜、效率低。But some problems are occurred, such as low bath temperature, difficulty in lime melting, slag overflow at vessel mouth, increase of metal consumption, difficulty in dephosphorization and low hitting rate at the final
在生產中出現熔池溫度低、廢鋼和石灰不易熔化、爐口溢渣、金屬消耗增加、脫磷困難、終點命中率低等問題。This considerably improves the thermal efficiency of the melting process, reducing fuel consumption
這個考慮提高了在熔化過程的熱效率,減少了熱量損失。Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding, and different control objectives in these two states, two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback
根據熔化極co2焊機具有燃弧和短路兩種工作狀態,且兩種狀態下控制目標不同的特點,在控制系統中設計了雙閉環反饋:焊接電壓反饋及焊接電流變化率di / dt反饋。On the other hand, under the force of mechanical, the carbon and cao & sio2 superfine powder are obtained ; the specific surface area of these particles is increased. the tem photos indicated that, the carbon particles are composites on the surface of the melting superfine particles uniformly
另一方面,在機械力作用下,碳黑及cao sio _ 2的熔融顆粒被超細粉碎,比表面積增大,同時tem照片顯示,中超碳黑均勻地復合於超細熔融顆粒表面,並有逐步嵌入的趨勢,提高了碳的有效利用率,降低了保護渣的熔化速度。Feature : fast starting melting, no need for starting clinker clew, fast melting speed, simple operation, many kinds of alloy can be melt and no environmental pollution
特點:不需用起爐塊,熔化率高,操作方便,可熔化多種合金,運行安全可靠,環境污染小。The results showed that the melting ratio of silica flux decreases and the complete melting time prolongs with the size of silica flux and matte grade increasing, and the effect of the blowing air and oxygen enrichment is not remarkable in the high grade copper matte converting process
對于高品位冰銅轉爐吹煉,鼓入氣體流量和氧濃度對石英熔劑熔化率影響不顯著;熔劑粒度和冰銅品位對熔化率影響顯著,並隨著熔劑粒度和冰銅品位的增加,熔劑熔化率降低,完全熔化時間延長。We calculate the stress fracture limit, critical index limit and melting limit in a high power double clad fiber laser. the results show that the average output power decreases when the temperature is too high. to maintain the pumping efficiency and the output power, some cooling methods should be used when the output power reaches a certain level
給出了熱效應對雙包層光纖激光器影響的裂解極限、臨界折射率極限和熔化極限與光纖結構參數和泵浦功率的表達式,理論分析和數值模擬結果表明對于高功率的雙包層光纖激光器溫度很高時激光增益下降,在一定的功率水平上需要進行外界的冷卻,以保證泵浦激光的效率和高功率的激光輸出。The result of analysis shows that the convective heat flux has main effect on fuel pyrolyzing and vaporizing, the liquid layer of pe fuel can increase the regression rate but also can cause unstable burning. 4
研究結果表明:對流熱流是引起燃料熱解氣化的主要因素, pe熔化產生的液體層提高了燃料熱解退移速率,但液體層厚度增加到一定程度時,對發動機工作穩定性有負面影響。Combining with the energy fluxes balance above fuel surface, the simulation and calculation of transient heat conduction of the pe fuel with liquid layer while melting and pyrolyzing are considered by use of the moving coordinates. the calculated regression rate of the pe fuel approximately tallies with the same kind of hybrid rocket motor test data from the abroad
建立了pe燃料的熔化、熱解、導熱模型,應用動坐標系,結合燃料表面熱環境,對具有液體層的pe燃料的熔化、熱解和內部瞬態導熱過程進行了模擬計算,計算的pe燃料退移速率與國外同類試驗的測量結果符合較好。Thermoplastic kneader is the first step of construction activity, quality of line bas relation with melting quality of paint, economic results relations with efficiency of melting
熱熔釜是熱熔塗料劃線施工的第一道工序,塗料的熔化質量直接關繫到標線的質量,熔料的效率關繫到經濟效益。A new measuring instrument for melting and crystallizing temperature of smelting slag is designed by adopting advanced microcomputer technology, micro - controller technology, and computer image processing technology in order to accurately and efficiently measure physical features of smelting slag, e. g. melting temperature, flowing temperature, crystallizing temperature, and crystallizing rate, etc
設計了一種採用先進的微型計算機技術、微控制器技術、計算機圖像處理技術相結合的冶金爐渣熔化結晶溫度測定儀,能夠準確高效地測試冶金爐渣等材料的熔化溫度、流動溫度、結晶溫度、結晶率等物理特性。A electric resistance furnace, improves the thermal efficiency of the melting process
這種電阻式熔爐提高了熔化過程中的熱效率。6. the melting of the grain boundary is the reason of the semi - solid grain globalization, and its control factors were the atomic diffusion velocity and the liquid - solid interface curvature
6 、半固態晶粒球狀化的基本原因是晶界熔化,其控制因素是因液界面處原子擴散遷移的速度和界面曲率。分享友人