unit operation field 中文意思是什麼
unit operation field
解釋
單位開發油田-
Fieldbus is a kind of communication network which is a whole digitial communication multi _ embranchment data bus between intelligential field device and auto _ system. control system based on pcs ( fieldbus control system ) is a new kind of system which connect field control unit, field monitor unit, operation unit, communication interface uint with databus. lt integrates computer technology, communication technology and process cnotrol technology to adjust to demand of high standard productive control and enterprise management. lt developments and follows the advantage of traditional instrument control system and computer central control system and make up for their disadvantage so that it is applied in different industrial cnotrol area
現場總線是連接智能現場設備和自動化系統的數字式、雙向傳輸、多分支的通信網路。它是一種能支持雙向、多節點、總線式的全數字通信網路。基於現場總線技術的控制系統是一種新型的控制系統，它採用總線方式將現場控制單元、現場監視單元、操作站、通信介面單元連接起來，綜合了計算機技術、通信技術和過程式控制制技術，以適應現代高水平生產控制與企業管理的需要。 -
The function configuration realization of operation station and field control unit is discussed in this paper. this control system has successfully applied in jiangsu province qishuyan locomotive and railway car factory. the system has strong function, good control effect, and generalize application value
本課題設計的牽引電機試驗臺現場總線控制系統已經在江蘇戚墅堰機車車輛廠得到了成功的應用，系統功能強大、控制效果好，在鐵路廠、段具有良好的推廣應用價值。 -
Field use shows that the new tubingless oil production unit has the advantages of high pump efficiency, low cost and easy operation
現場使用情況表明，新型無油管採油裝置具有泵效高、投資少及作業方便等優點。 -
The coproduction technology for the process integration ofgasification, hydrogenation and power generation is used to refine heavyoil, thereby not only reducing considerably the investment and operationcost improving the reliability and efficiency of operation of the entireplant, decreasing the discharge of harmful materials, but also enhancingthe flexibility of the refining unit and the oil field
採用氣化、加氫、發電工藝一體化聯產技術對重油提煉利用，不但節省了大量的投資和操作費用、提高了整個工廠的運行可靠性和效率、降低有害物質的排放，而且提高了煉油裝置和油田的靈活性。 -
Crystallization from solution is an important unit operation process in the field of chemical engineering, which could be used to separate and purify the higher purity solid products with lower costs, and has been applied in most traditional industries
多數傳統工業與結晶過程都有著十分密切的關系。近年來，新材料、信息電子、生物化工、新型能源材料及環境科學等高新技術產品的制備、分離和提純也越來越有賴于結晶技術的支撐。 -
Based on the advanced technology and instruments of visible monitoring system of section temperature field in furnace, energy saving & environmental protection test vehicle and 3 - dimension furnace computational simulation, test and study are carried out on stability of peak - load regulation and optimization of operation of large unit
摘要利用爐膛斷面溫度場可視化監測系統、節能環保車、爐內三維數值模擬等先進的技術和設備對大機組調峰穩定性和運行方式優化進行試驗和理論研究。 -
Integrating boiler control computer reconstructing, the paper presents the solution of adopting shcan2000 system to realize auto control, including loop auto control, test data auto - collection, friendly human - machine interface, test reports auto building, etc. the function configuration realization of operation station and field control unit is discussed in this paper
結合鍋爐控制系統改造項目的應用背景，提出了採用shcan2000型現場總線控制系統實現鍋爐生產的自動控制，包括各種迴路自動控制、數據自動採集、友好的人機介面、試驗報表的自動生成等，並介紹了上位機操作站和現場控制單元的功能組態實現。
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