環軋法 的英文怎麼說
中文拼音 [huányàfǎ]
環軋法
英文
loop mill rolling-
The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper
本文研究了用igc （惰性氣體蒸發凝聚原位溫壓法）制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅（冷軋紫銅、電解銅）在酸性硫酸銅溶液和中性含氯溶液中，在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法（ cv ）和電化學阻抗譜（ eis ）等方法。 x -射線衍射（ xrd ）的方法用來估算納米晶銅晶粒尺寸。Ring rolling technology for al alloy ring with rectangular cross section
矩形截面鋁合金環件軋製成形方法Besides the design of the hardware construction for shape meter, the software system written in visual basic 6. 0 is also developed. the real - time data acquisition and conversion system worked in interrupt mode is accomplished by means of loading dynamic linkage library of pcl - 812pg enhanced multi - lab card. the converted data processing will be operated then, for example, scale operation, comparison, graphic display, data storage, etc. the adjusting values for the shape control are also calculated in it
本文在參考大量帶材標準板形、軋制初始量設定、調節量計算研究的基礎上，確定了標準板形模型、設定模型、調節控制模型等數學模型；並給出了其相應的演算法；完成了板形儀計算機控制系統的硬體設計，並在此基礎上，應用高級開發語言visualbasic6 . 0 ，通過加載pcl - 812pg多功能數據採集卡的驅動程序后，調用動態鏈接庫（ dll ）中的函數的方法，完成了信號中斷方式下的實時數據採集，採集的數據經計算機作標度變換、對比、圖形顯示、存儲等處理，並提供了用於板形閉環控制的調節量。Then i make a comprehensive analysis of w group and its hot rolled steel products. following above, i analyze the two main rivals and the present competitive situation of w group in chongqing market. as the conclusion of those analysis, i give out two piece of advice about the competitive strategy of w group by the means of swot. in the end, i state simply the implement and effect of the two selected strategy
論文首先介紹了競爭戰略理論，介紹了三種基本競爭戰略以及分析環境和制定戰略的方法和工具；然後剖析了重慶熱軋鋼材市場的國際國內宏觀環境和微觀環境，研究了重慶熱軋鋼材市場的市場結構：接著深入分析了w集團及其熱軋產品；最後在深入分析w集團在重慶熱軋市場上的兩個主要競爭對手和w集團目前競爭狀況的基礎上，運用swot分析法提出了w集團應該採取的競爭戰略，並簡要介紹了戰略的實施和效果。Firstly, the distortion of rolled piece and the designing method in the beforehand slit pass and slit pass has been analyzed. secondly, based on the research production of predecessor and research of the author, card system selected some corresponding experience formulas such as roll force, roll moment, roll temperature and roll consume, and established spread model in the beforehand slit pass and slit pass and the distribution model of elongation coefficient. subsequently, card system applied the dynamic programming method with minimum roll consume and optimized its pass system
本文以圓鋼雙線切分為基本實體模型，著重分析了預切分孔型和切分孔型在軋制過程中的變形特點及相應的孔型設計方法；基於前人的研究成果及作者的探索，選擇了相應的軋制力、軋制力矩、溫度及能耗模型，建立了預切分和切分的寬展及延伸系數的分配模型；應用動態規劃法以能耗最小為目標函數對孔型系統進行了優化設計；利用visualbasic6 . 0和microsoftaccess數據庫的連接，建立了數據查詢系統，以visualbasic6 . 0和autocad之間的介面在vb環境下完成了斷面孔型圖的繪制。Abstract : the temperature condition in the different region and position of the factory building structure and the factory building environment of a rolling steel plant, the present situation of structure injure, as well as the strength and carbonigation condition of concrete are examined and determined. the shortcomings of the factory building structure are analysed. and the methods of reinforcing treatment are put forward
文摘:對廣鋼軋鋼廠廠房環境及結構不同區段、不同部位的溫度情況，對結構損壞現狀及混凝土的強度和碳化情況進行了檢測鑒定，並對其缺陷進行了分析，提出了加固處理方法。分享友人