置換異構體 的英文怎麼說

中文拼音 [zhìhuànyìgòutǐ]
置換異構體 英文
permutational isomer
  • 置 : 動詞1. （擱; 放） place; put; lay 2. （設立; 布置） set up; establish; arrange; fix up 3. （購置） buy; purchase
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 異 : 形容詞1 （有分別; 不相同） different 2 （奇異; 特別） strange; unusual; extraordinary 3 （另外的;...
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 體 : 體構詞成分。
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  1. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  2. It is necessary to carry on abnormal design, that is to disposal transfer floor structure where vertical structure changes. upside smaller room and downside larger room to stagger axes of high - rising buildings. or upside shear - wall and downside frame to meet difference of structure systems

    當高層建築下部豎向結構體系或形式與上部樓層差異較大，或者下部樓層豎向結構軸線距離擴大或上、下部結構軸線錯位時，就必須在結構改變的樓層布置水平轉換層結構，進行「反常規設計」 ，將上部布置小空間，下部布置大空間；上部布置剛度大的剪力墻，下部布置剛度小的框架柱，以滿足建築功能的要求。
  3. In tall buildings, for frame - shearwall structure with steel truss transfer story with large span, studies on its dynamic characters and seismic performance are performed. with different transfer story location at the structure, the difference analysis about the structures to period and mode, displacement, and shear etc. is performed in detail. and the vertical load effect to the steel truss transfer story with large span is analyzed

    對于高層建築中帶大跨度鋼桁架轉換層的框架?剪力墻結構，分別對不同轉換層設置高度下整體結構的動力特性和抗震性能進行了分析，對整體結構的周期和振型、整體結構的位移和層間位移、結構的剪力和層間剪力等方面性能的差異進行了研究；對大跨度鋼桁架轉換層在豎向地震作用下對其受力的影響進行了研究。
  4. Iges and step standard format and the sat format which is used in acis has been studied. according to the characters of different parts and the characters of different machine tools, a method of grinding for non - circular surface is researched, a new strategy and algorithm of non - circluar surface nc griding which based on acis is studied. a way of non - circluar surface internal grinding is realized as well as the way of non - circluar surface external grinding

    論文的研究包括了以下幾個方面:研究了三維幾何造型引擎acis平臺及其拓撲結構，探討了iges和step等產品數據交換標準格式和acis中的sat文件格式的異同;根據零件的加工特徵和機床的結構特點，研究了在內圓磨削和外圓磨削方式下，非圓曲面磨削的數控編程技術;提出了基於acis實體造型的任意非圓曲面零件的數控磨削新演算法;實現了以實體造型為基礎的任意非圓曲面零件的內圓和外圓數控磨削;根據零件的特徵和磨削方式，生成了相應的走刀路線;實現了針對不同機床的後置處理。
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