dissolved gases 中文意思是什麼

dissolved gases 解釋
溶解的氣體
  1. The salinity of the earth ' s oceans is about thirty - five parts per thousand, meaning that there are about thirty - five grammes of dissolved solids and gases in one kilogramme of water

    地球海洋里的鹽度大約為35 % ，意思是說，在每公斤的水中約含有35克溶解的固體和氣體。
  2. Origin of lower paleozoic dissolved gases in central gas field of ordos

    鄂爾多斯中部氣田下古生界水溶氣成因
  3. Transport and handling rail cars and road tankers. permanent stations for top loading and unloading of pressurized liquefied or dissolved gases

    運輸和裝卸的軌道車和道路罐車.增壓液化氣體或溶解氣體頂部裝載和卸載用永久車站
  4. Transport and handling. rail cars and road tankers. permanent stations for bottom loading and unloading of pressurized liquefied or dissolved gases

    運輸與裝卸.軌道車和道路罐車.增壓液化氣體或溶解氣體底部裝載和卸載用永久車站
  5. Transport and handling of liquefied or dissolved gases. weco rapid connection system iso pitch

    液化氣體或溶解氣體的運輸與裝卸.美國西屋電氣公司的快速連接系統iso螺距
  6. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解氣體分析，提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造，選擇變壓器典型故障樣本構造多組參考序列，這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法，計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法，計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析，所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法，具有較好的分類診斷能力和可靠性
  7. Dissolved gas analysis ( dga ) is one of the mainly technology methods to diagnose the internal malfunction in transformer. by request of dl / t722 - 2000, < guide to the analysis and the diagnosis of gases dissolved in transformer oil >, the component of h _ 2, c _ 2h _ 2, c _ 2h _ 4, c _ 2h _ 6, ch _ 4, co and co _ 2 is used to judge and analyze the internal malfunction in transformer

    本系統首先接收氣相色譜儀發送的數據信息，並對這些數據進行處理與分析，計算出譜圖數據的波峰高度、波峰面積、波峰起始點、基線等值，在此基礎上依據定量分析及故障診斷原理對變壓器進行診斷，得出結論。
  8. Tank wagons for the carriage of liquefied or under pressure dissolved gases. identity and loading plate

    液體的或壓力溶解的氣體運輸用罐車.標識和裝載標牌
  9. Standard test method for analysis of gases dissolved in electrical insulating oil by gas chromatography

    用氣體色譜分離法分析電絕緣油中溶解的氣體成分的標準試驗方法
  10. Determination of componental contents of gases dissolved in insulating oil by gas chromatography method

    絕緣油中溶解氣體組分含量的氣相色譜測定法
  11. In this approach, the concentration and development trend of gases dissolved in transformer oil are predicted primarily using gm ( 1, 1 ) model, and then the predicted results are calibrated by self - learning bp - neural networks with calibrated parameters obtained by analyzing the interaction of different types of gases and the relationship between the time sequences of gas concentrations

    此法是利用gm （ 1 ， 1 ）模型初步預測油中溶解氣體的濃度及變化趨勢，通過分析故障氣體組分之間的影響及氣體濃度時間序列之間的關系確定修正參數，將初步預測結果與修正參數作為自學習bp網路的輸入，從而完成預測結果的在線修正。
  12. Guide to the analysis and the diagnosis of gases dissolved in transformer oil

    變壓器油中溶解氣體分析和判斷導則
  13. As the back - propagation neural network ( bpnn ) is adopted to diagnose the dissolved gases of transformer, convergence rate becomes slow, convergence precision becomes bad and even being out of convergence as more sampled data are trained and more complicated relation between input and output becomes

    根據電力變壓器油中溶解氣體分析（ dga ） ，採用反向傳播神經網路（ bpnn ）對電力變壓器進行故障診斷時，隨著學習樣本數目的增多，輸入輸出關系的復雜化，網路收斂的速度將變得緩慢，收斂精度不理想甚至不收斂。
  14. In accordance with the technological difficulties encountered in the process of insulation supervision based on the dissolved gases analysis ( dga ), several kinds of model and method are presented to improve the reliability and precision of fault diagnosis of the power transformer. main research content includes : by deeply studying the common transformer faults diagnosing methods, such as three - ratio methods and improved electrical committee agreements, several shortcomings such as uncertainness judgment when the fault reasons, phenomenon and principles come out together while can not consistent to each other etc. for this reason, the old methods can not fully meet the need to engineering practical application. considering fuzzy relationship matrix can fully represents the causality between fault symptoms and fault types, when diagnosing complex equipments with multiple symptoms and fault causes such as power transformer, a synthetic fuzzy diagnosing model is firstly proposed to diagnose transformer ' s insulation faults based on dga in this paper

    本文針對應用油中溶解氣體分析方法進行變壓器絕緣監督時所遇到的主要技術難點，提出了提高變壓器故障診斷的準確性、可靠性的幾種模診斷方法，主要研究內容有：通過對判斷變壓器故障常用的三比值法和改良電協研法的深入分析，其診斷準確率較高，但對故障原因、故障現象和故障機理間同時存在不確定性和模糊性的變壓器等電氣設備的故障診斷，難于滿足工程應用的需要；在處理變壓器等結構復雜設備的多癥狀、多原因故障診斷時，模糊關系矩陣可以全面反映這種癥狀與故障類型間的因果關系，進而提出了變壓器故障診斷的模糊綜合診斷模型；同時作者還深入分析了模糊運算元的特性；針對常用的模糊評判結果的模糊集的集化方法的不足性，提出了將模糊綜合診斷與模糊規則推理結合起來進行故障診斷的方法，能達到較好的效果。
  15. The operation reliability of the power transformer as the key equipment in electrical power systems, influences operation security of electrical power systems directly. the components and contents of gases dissolved in transformer oil can be used to reflects internal insulation faults of operating transformer. in order to overcome the errors caused by complex handling procedure and man - made factors using general chromatogram analysis method, author brings forward an on - line detecting of gases dissolved in transformer oil by using macromolecule polymer to separate oil and gases automatically and an information fusion technology of multi - sensors ; at the same time, in order to improve the accuracy and reliability, author uses neural networks to diagnose transformer faults

    變壓器作為電力系統的樞紐設備，其運行可靠性直接影響電力系統的安全運行；變壓器油中溶解氣體的成分和含量能有效體現運行變壓器內部的絕緣故障情況，為解決常規色譜分析中復雜的操作程序和由於人為因素引起的較大的誤差，論文提出了應用高分子聚合膜實現變壓器油氣自動分離、多傳感信息融合技術智能檢測多種氣體成分的變壓器油中溶解氣體在線監測技術，應用神經網路智能診斷方法實施故障診斷，提高變壓器故障診斷的準確性和可靠性。
  16. They may be liquids, solids, or gases that are dissolved in liquids.

    它們可能是液體、固體或溶於液體的氣體。
  17. Transportable gas cylinders - specification for the design and construction of refillable transportable seamless normalized carbon manganese steel gas cylinders of water capacity up to 0, 5 litre for compressed, liquefied and dissolved gases and up to 1 litre for carbon dioxide

    可運輸儲氣瓶.壓縮液化和溶解氣體用的水容量高達0 . 5升和二氧化碳用的水容量高達升的可再充裝無縫正火碳錳鋼儲氣瓶的設計和製造規范
  18. Oil - filled electrical equipment - sampling of gases and of oil for analysis of free and dissolved gases - guidance

    充油電氣設備.分析游離氣體和溶解氣體用氣體和油的取樣.指南
  19. Guide for the sampling of gases and of oil from oil - filled electrical equipment and for the analysis of free and dissolved gases

    充油電氣設備中氣體和油的取樣以及游離氣體和溶解氣體的分析導則
  20. Oil - filled electrical equipment - sampling of gases and of oil for analysis of free and dissolved gases - guidance iec 60567 : 2005 ; german version en 60567 : 2005

    充油電氣設備.分析游離氣體和溶解氣體用氣體和油的取
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