base of valve 中文意思是什麼

base of valve 解釋
瓣膜基底部
  • base : n 1 基底,基,根基,底座;底層,底子;(紀念碑等的)基址;(山)麓。2 【軍事】基地,根據地。3 根...
  • of : OF =Old French 古法語。
  • valve : n 1 【機械工程】閥,活門,舌門;汽門。2 【解剖學;動物學】瓣,瓣膜;(貝)殼瓣;【植物;植物學】...
  1. When flux appears liquid and transparent on both tube and valve, start sweeping flame back and forth along axis of joint to maintain heat on parts to be joined, especially toward base of valve socket

    當焊劑變成液態並且在管道和閥門上呈現半透明狀態時,開始將火焰沿著連接部件的軸線進行進退烘烤,以保持連接部件、特別是閥門套筒底座部位的熱度。
  2. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  3. Reinstall the elbow into the base of the relief valve to hold the air gap drain in place

    將彎頭安裝在安全閥的底座,將氣隙排放裝置固定住。
  4. Abstract : in this paper, the existed problem of oil discharge s crew at the bottom of internal combustion engine oil reservoir is pointed out, th e consequence is analysed, then puts forward the performance objective required i n the course of draining failure oil on the base of the article, the special oil discharge valve of internal lubricating oil is introduced

    文摘:指出了內燃機油底殼上放油螺絲在使用中存在的問題,分析由此而引起的後果,提出了排放失效機油過程中所需達到的要求,介紹了內燃機機油專用放油閥門。
  5. ( 5 ) from august, 2002 to april, 2003, on the base of analyzing of 10kw valve tv transmitter of channel 14, chongqing tv transmitting station, brought forward process the solidification scheme to 400w valve power amplifier of the driver

    重慶大學碩士學位論文中文摘要( 5 ) 2002年8月至2003年4月期間,在對重慶電視發射臺14頻道( uhf ) 10kw電子管電視發射機進行研究分析的基礎上,提出了對該機末前級400w電子管功率放大器進行固態化改造的方案並予以實施。
  6. Abstract : a calibration valve oil for hydraulic shield safety valves was formulated by a base oil obtained from the distillate of a deep - refining paraffinic crude with qualified additives

    文摘:以深度精製的石蠟基餾分油為基礎油,添加具有改善油品性能的添加劑研製了液壓支架安全閥校閥油。
  7. When flux appears liquid and transparent on both tube and valve, start sweeping flame back and forth along axis of joint to maintain heat on parts to be joined, especially toward the base of the valve socket

    當管道和閥門上的焊劑都變成液狀和透明時,則開始沿著連接軸向前後來會掃著火焰,保持連接部件的溫度,特別是閥門承插口底部的溫度。
  8. And pid control system was designed and implemented on the base of the control object modeling, which was considered to work well in most cases, after debugging, testing and running in the field, except some key drawbacks including weak robustness and lack of solution for the coagulation on the valve

    在系統試運行一段時間后發現, pid控制策略能夠滿足多數情況下的控制要求,尤其是在系統的擾動不太大的時候,但是也存在一些關鍵性的不足,主要是魯棒性不夠和調節閥塞棒掛渣問題沒有好的解決方案。
  9. The experiment ' s instruments for er valve are discussed and analyzed. a peristaltic pump is introduced to feed er fluids, and an visual program for data acquisition is wrote. base on the condition of experiment, a test on er valve is taken, and practical results are in agreement with theoretical results

    對電流變實驗裝置進行了分析和探討,對電流變液的輸送使用了蠕動泵;編寫了可視化數據採集程序;加工製造了電流變閥;根據現有實驗條件,對電流變閥的性能進行了測試。
  10. The practical experiments of the designed intelligent two - wire valve present a good preferment. we model the power - line channel in chapter 4 as the experimental result shows that the power - line channel condition has civilizing influence upon the valve ' s communication performance. here, we establish power - line resistance model base on theory of transmission line

    在實驗中我們發現電力線通道特性的變化對智能二線閥系統的性能有著比較明顯的影響,從研究的系統性出發,同時,也是作為從物理實踐到理論研究的一個重要步驟,我們在第四章中對電力線通道建模和電力線載波通訊進行了模擬研究。
  11. Located in zhuji, the hometown of xi shi ( a famous beauty in the ancient times ), and also the largest water heating and hardware production base, zhuji yongli mechanical equipment factory is a new - type modern enterprise specialized in manufacturing of water - purifying cock of yongli brand, brass valve, brass connector and water heating fittings

    諸暨市永力機械設備廠座落在國內最大的水暖五金生產基地西施故里諸暨,是一家專業製造永力牌凈水龍頭、黃銅閥門、黃銅接頭和水暖配件的新型現代化企業。
  12. Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design

    根據閥門cad發展趨勢,針對成都乘風閥門有限責任公司閥門設計現狀,本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統,主要完成的工作和成果如下:根據公司提供的幾種不同結構閥門的二維工程圖紙,利用mdt三維設計平臺建立了三維參數化基本圖形庫,其中包括所有零部件和總裝配模型圖及二維工程圖;依照閥門設計的一般步驟設計了參數編輯器,用來對閥門尺寸參數進行編輯、輸入、輸出等,具有參數雙向同步顯示功能,使用十分靈活方便;根據用戶的需求,為了使設計達到精確、可靠、實用的要求,設計開發了輔助計算器,能自動完成閥門設計過程中所需的各種結構計算,並可以輸出閥門設計計算說明書;為了使設計人員更具有競爭力,本系統利用internet intranet技術設計開發了虛擬設計中心子模塊,虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能,可以讓設計師直接使用服務器上的應用程序,與intranet internet上的其他設計專家進行交流、共享軟體資源,實現遠程協同設計。
  13. The product drawings and processes are tested. the good of the thesis is reached. the thesis form an excellent base of the series design, production and research of the artificial heart valve

    完成的心臟瓣膜產品圖紙、工藝和工藝裝備,經試制過程考核驗證,是正確的和可行的,達到了論文工作的預期目標,所作的探索,為人工心瓣的系列化設計,批量生產以及進一步研究奠定了良好的基礎。
  14. Apply flame to valve at base of socket. heat uniformly, sweeping flame from fitting to tube until flux on fitting becomes quite. avoid excessive heating of valve

    在閥門的承插口底部進行加熱。要均勻加熱,從連接部到管道掃著火焰,直到連接件上的焊劑不會再發出吱吱聲。要避免過度加熱閥門。
  15. In order to further optimize structure of the valve, the design need engineering analysis, and need feedback information of performance parameter in experiment to modify design. because of limited time, this paper establishes stress distribution and deform only by fea, and optimizes the structure of valve. it can ensure the valve meet the requirement of fact usage and assembly, and found good base for further research and experiment on body or out - of body and manufacture on large scale

    為了進一步對瓣環和瓣葉作結構優化,設計還需要進行工程分析,還需要將實驗獲取的性能參數信息反饋回來,修改設計,由於時間關系本論文僅用有限元分析確定人工心瓣在工作及裝配時的應力分佈和變形情況,對瓣環和瓣葉的結構進行優化,以確保設計出來的人工心瓣滿足實際使用和裝配要求,為人工心瓣的進一步研究、進行離體和在體實驗及批量生產奠定良好的基礎。
  16. Using the system developed, we have set up the basic drawing - base of four different valves such as resilient seated gate valve, the wedge flat gate valve and the three - eccentricity butterfly valve etc. so these four type valves can be rapidly designed. it is shown that this system realizes the valve quickly modeling, consumedly increases the valve design efficiency, and has stronger extensibility

    應用已建立起的閥門三維參數化設計系統開發了「軟密封膠板閘閥」 、 「撐開式平板閘閥」 、 「三偏心蝶閥」等四種結構的閥門基本圖形庫,可對這四種結構的閥門進行快速序列化設計,大大提高了閥門設計生產效率,並具有較強的可擴充性。
  17. Assure both mounting base of gear operator ( 3 ) and valve top flange ( 6 ) are clean and dry

    確保齒輪操作機構( 3 )和閥門頂部法蘭( 6 )的安裝基座清潔並且乾燥。
  18. Unitized bonnet / base design, rugged construction and 2 - ring control make the 41a safety relief valve extremely dependable in terms of pop action, seat tightness and repeatability

    採用閥蓋/基座結構,堅固耐用,雙環控制,這使得型號41a安全閥在彈起作用、閥座密封和重復性等方面特別穩定可靠。
  19. In this paper, we study the automatic gas meter reading system on base of the latest research native and abroad. it is a high reliability system which with a control of a valve

    本論文對煤氣表自動抄表系統作了深入的研究,通過對國內外自動抄表的發展現狀的了解與分析,開發了一種通信可靠性高的具有閥門控制的煤氣表自動抄表系統。
  20. The key parts of semi - active suspension system are hydraulic dampers capable of adjusting damping force in accordance with driving conditions. on the base of it, the paper designs moveable valve adjustable dampers. its structure simple, the control is effective

    半主動懸架系統的關鍵部件是適應車輛行駛變化的阻尼力可調的液力減震器,鑒於此,本文設計了一種電磁閥控制的兩態可調減震器,其結構簡單,控制有效。
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