base exchanger 中文意思是什麼
base exchanger
解釋
堿性離子交換器-
This swelling is accomplished by suspending the exchanger in either strong acid or strong base.
要完成這種膨脹需要把交換劑懸浮在強酸或強堿中。 -
In the base of investigating and analyzing to working theory, measure methods and relevant standard, the text processes particular analyses to the working theory of billing system and reason of making billing wrong and puts forward technology index and measure method that can externally evaluate the capability of billing system and is suit to the situation of our country. some indexes and measure way are put forward for the first time ( example error of call clock, time error and measure method to moving exchanger ' s billing system. ) through analyzing telecom charging way, charging users, charging point and charging methods of telecom basic and all kinds value - added operation and utilizing the newest measure apparatus, modern measure technology, communication technology and probable method, this text puts more scientific, efficient and easily operated measure methods and process a uncertain analysis to measure methods
本文在調查和分析國內外局用交換機計費系統工作原理、檢測方法和相關標準的基礎上，對計費系統的工作原理和產生計費錯誤的原因進行了詳細的分析，提出了適合國情的能夠客觀評價計費系統計量性能的技術指標和檢測方法，有些指標和檢測方法在國內相關資料中屬首次提出，如通話計時誤差和時刻誤差和對移動交換機計費系統的一些檢測方法；本文通過對電信基礎業務和各類增值業務的計費方式、計費用戶、計費點和計費方法的分析，利用國內外最新檢測儀器、現代檢測技術、通信技術和概率統計方法，提出了較科學、有效和利於實施的檢測方法，並對檢測結果的測量不確定度進行了分析。 -
The calculation method for optimum design of the bellows tube heat exchanger and its application base are provided
闡述了波節管換熱器優化設計的計算方法，為波節管換熱器的應用提供了理論依據。 -
The characteristics for this type of heat exchanger are various standards, different shapes, multi - usefulness, completed specifications and same structure but large changing range of sizes for same series. by means of developing the database and drawing libraries, parameterized designing of pipe group units, the cad system for floating - end heat exchanger was developed base on the theory of fixed patterns with flexible sizes
本文針對浮頭式換熱器規格品種繁多、形式各異、使用廣泛、產品設計標準完善、同系列產品圖形結構相同、尺寸變化跨度大的特點，通過數據庫和圖庫的開發、管束組件的參數化設計，運用「死圖活尺寸」的開發理念，研究和開發了浮頭式換熱器輔助設計系統。 -
Secondly, the temperature distribution in rib - tube heat exchanger in the course of heat transfer is programed and simulated using apdl language of fem software ansys, and the average convection coefficient of both sides is obtained. the rib - tubes with different structure are also simulated and optimized on the base of the calculated results, the relationship between structure and the average convection coefficient of both sides is summrized. the rib - tube structure is optimized using apdl. finally, combines numerical simulation with experimental research, and results of numerical simulation are found to be close to the experimental data
利用ansys有限元程序對翅片管換熱器的換熱過程進行數值模擬，確定了換熱過程中翅片管的溫度場和熱流量梯度分佈狀況，對翅片管換熱器的多組分流場進行計算，給出了逆流和順流兩種情形下翅片管結構參數對換熱效果的影響規律，並利用ansys提供的優化技術編寫程序對翅片管進行結構優化設計，為其今後在工業中的設計及使用提供了重要依據。
分享友人