根閥 的英文怎麼說

中文拼音 [gēn]
根閥 英文
root valve
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • : 名詞1 (指在某方面有支配勢力的人物或家族) established house or power group; a powerful person or...
  1. Structure : by the drive pipe, the pressure - regulating valve or the attachment are composed

    結構:由導管、調壓或接頭組成(具體要求據臨床需要) 。
  2. In chapter 4, the principle drawing of the system is presented after adding a constant - pressure - drop valve. the operating principal of the valve is briefly introduced. the static mathematical model is built up and study is carried out by means of simulation under the circumstance of matlab, then the static working point is obtained

    對定差減壓作了簡要的介紹,據系統工作原理圖建立靜態數學模型進行模擬研究,由模擬結果分析系統靜態工作特性,得到靜態工作點;然後,建立系統動態模型,對其動態特性進行非線性模擬研究,並就環境因素變化對系統工作特性的影響作了詳細分析。
  3. Comparing the usage of duckbill valve with multi - port heads in fengpu outfall in shanghai it is concluded that whether or not duckbill valves shall be used in a sea outfall depends on the comprehensive analysis of the specific engineering conditions

    結合上海市奉浦排海工程,對使用鴨嘴與多噴口噴頭進行了比較,認為鴨嘴在排海工程中的使用與否應據具體工程綜合分析決定。
  4. In this paper, a safe, reliable, and intellectual control plan is provided aiming at the heat charge for dwelling district, which contains epigynous machine responsible for data processing and hypogynous mahcine responsible for unlocking the valve, by means of serial communication between them, combining homemade three - channel valve, to adminstrate the charge data and the valve efficiently. the main idea is based on the homemade three - channel valve. the vavle is locked at peacetime, while it is opened with the help of open tool and a water flow in the caliduct. as soon as the flow stops, the valve locks automatically. the open tool has data in its memory, and implement function by lcd and keyborad. so it can identify data and drive motor, to open the valve intellectually. the epigynous machine database manage system administrator the dweller information, standard heat charge and payment infomation etc, including store, configure, query, print etc, then store in the memory of open tool. as a result, the plan can do well in the experiment

    平時是鎖閉的,只有用開啟器配以暖氣片中的水流才可打開,一旦水流斷開,則此會自會鎖閉。而開啟器則是據其存儲器中的數據配以液晶顯示及小鍵盤,完成數據確認及電機驅動,自動對相應用戶的三通打開特定角度,完成開啟任務。上位機數據庫管理系統完成對用戶信息、熱費標準、繳費信息等原始數據的常規管理,包括存儲、設置、查詢、列印等,最後將處理后的數據傳到開啟器中存儲。
  5. First, according to the design requirement of hydraulic valve, the particular parameter of the valve is put forward, and the navier - stokes equation of the two - dimension impressible viscid fluid in the hydraulic valve is set up

    本文選擇液壓中的溢流為具體研究對象。據溢流的性能要求,確定了的具體參數,完成了溢流的設計。
  6. During the adjustment. it decided the amount and the rate of humidification. the system can test the states of water level by water lever sensor, thereby the main control module can control the entrance and drain of water and give warnings ; as its good man - machine interaction, the system can expediently set the humidity and the amount of humidification and control water - in valve and leading winds through control panel. the system can communicate with computer thereby the net supervise is enabled

    本系統主要能夠完成以下功能:採集空氣中的濕度狀態,並送入主控模塊,主控模塊據現有的濕度判斷是保持原來狀態還是進行加濕以及加濕量的大小和加濕速度等;能夠通過水位傳感器測試水位的狀態,從而通過主控模塊控制進水、排水、預報警、報警等;具有良好的人機交互性,能夠通過控制面板比較方便地進行濕度設定、加濕量設定、進水的控制、導風的控制等;能夠和上位機進行通信,從而實現網路監控。
  7. Process equipment under different choice of pneumatic or electric implementing agencies, forming an aerodynamic ball valve and electrical ball valve, such as pneumatic ball valve regulated to achieve proportional valve positioner to be allocated, such as the electric ball valve to be regulated to achieve proportional election electronic implementing agencies or distribution of electric servo amplifiers

    據工藝設備不同可選用氣動或電動執行機構,分別組成氣動球和電動球,其中氣動球如要實現比例調節須配門定位器,電動球如要實現比例調節須選電子式電動執行機構或配伺服放大器等。
  8. Cast steel welding elbows for storm valves - dn 50 to 150, connecting dimensions according to pn 10

    止回用鑄鋼焊接彎頭.據pn 10的連接尺寸dn 50至1
  9. Accordingly, using graph theory and operating experience abroad for reference, it firstly brings forward a new method of voltage rectification which based on pilot bus with voltage control area in view of the weak coupling among every vca ( voltage control area ), using decomposing method of multi critical value, it realizes the eliminating vinculum of every vca. and then, the rectification starts by pilot bus voltage of every vca. so the resolution of whole power net is diverted into calculating smaller sub - net

    由於各個電壓控制區之間無功電壓的弱耦合性,利用多值分解的分區演算法,實現區域間的解耦,然後據各個子網路的主導節點的電壓進行校正,從而把求解整個網路的問題轉化為求解各個小的子網路,降低了網路維數,減少了無功設備控制動作次數,提高了校正成功率,縮短了計算時間。
  10. Open and shut - down is operated by the density variati on bet ween condensation water and steam, condesation water can drive valve directly, featuring precision and reliability

    倒置桶疏水的開啟和關閉是據凝結水和蒸汽的密度差來動作的,凝結水可直接驅動疏水啟閉,其動作準確,可靠性高。
  11. Note : the structural length and connecting flange size of butterflyvalve series can be designed and manufactured as per user ` s requirement

    注:系列蝶結構長度及連接法蘭尺寸可據用戶要求設計製造。
  12. The device sends out various random disturbance signals to the balancing valve circuit of the hydraulic system for the radial head check gate operating at the worst condition by using a computer

    模擬實驗裝置據工況最為惡劣的弧門啟閉機液壓系統的平衡迴路製作,採用計算機隨機給出各種干擾控制信號。
  13. Graphite packing, carbonized packing, kevlar packing, ptfe packing ningbo sinklan industry trade co., ltd. is mainly engaged in producing three kinds of sealing products, packing series, gasket series, packing gasket sheet series. such as various fiber packingmetallic gasket, non - metallic gasketssheet gasket material, and reinforced composite sheet sealing material. packing series : expanded graphite packing, reinforced graphite packing, die - formed graphite ring packing expanded graphite molded packing, carbonized fiber packing, kevlar fiber packing, pure ptfe packing, ptfe graphite packing, ramie fiber braided packing, asbestos packing, ptfe graphite packing aramid corners, graphite ptfe packing inter aramid, acrylic fiber packing, novolid fiber with ptfe packing, carbon fiber packing, ptfe filament packing, ptfe lubricant packing, cotton with oil packing, e - glass fiber packing etc

    公司生產出口各類流體密封材料及製品,主要有密封盤,密封墊片和密封材料三大系列產品,如石墨盤芳綸盤,碳纖維盤, ptfe盤,各種金屬墊片,纏繞墊片石墨增強墊片石墨切割墊片, ptfe墊片石棉墊片,非石棉墊片,各種墊片板材,卷材,四氟介面密封帶,桿填料,盤線等等,廣泛應用於石化煉油電力鋼鐵造船海洋工程等行業不但解決了國內許多電廠煤氣廠化工廠等泵浦件管道在各種氣體化學流體輸送中的密封泄露問題,已為眾多知名企業所指定和選用而且已大量出口到歐洲中東南美洲以及東南亞等許多國家和地區。
  14. Graphite packing, carbonized packing, kevlar packing, ptfe packing ningbo sinklan industry trade co., ltd. is mainly engaged in producing three kinds of sealing products, packing series, gasket series, packing gasket sheet series. such as various fiber packingmetallic gasket, non - metallic gasketssheet gasket material, and reinforced composite sheet sealing materialpacking series : expanded graphite packing, reinforced graphite packing, die - formed graphite ring packing expanded graphite molded packing, carbonized fiber packing, kevlar fiber packing, pure ptfe packing, ptfe graphite packing, ramie fiber braided packing, asbestos packing, ptfe graphite packing aramid corners, graphite ptfe packing inter aramid, acrylic fiber packing, novolid fiber with ptfe packing, carbon fiber packing, ptfe filament packing, ptfe lubricant packing, cotton with oil packing, e - glass fiber packing etc

    公司生產出口各類流體密封材料及製品,主要有密封盤,密封墊片和密封材料三大系列產品,如石墨盤芳綸盤,碳纖維盤, ptfe盤,各種金屬墊片,纏繞墊片石墨增強墊片石墨切割墊片, ptfe墊片石棉墊片,非石棉墊片,各種墊片板材,卷材,四氟介面密封帶,桿填料,盤線等等,廣泛應用於石化煉油電力鋼鐵造船海洋工程等行業不但解決了國內許多電廠煤氣廠化工廠等泵浦件管道在各種氣體化學流體輸送中的密封泄露問題,已為眾多知名企業所指定和選用而且已大量出口到歐洲中東南美洲以及東南亞等許多國家和地區
  15. Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le

    對于不同工質的冷藏集裝箱製冷系統,電子膨脹應該據具體製冷劑的熱力性質選取;電子膨脹流量系數對孔徑和脈沖數比較敏感;在結構固定時,流量系數隨蒸發溫度的降低而升高,隨冷凝溫度的增加而增大,受過冷度變化的影響較小;電子膨脹的容量受孔徑影響最大。
  16. Single er valve ' s control equation is derived two mathematic models of er valve - cylinder actuator is constructed according to control methods of er valve - cylinder. and a position control system based on er valve - bridge actuator is simulated. the result shows that the system has good dynamic performance

    據電流變對液壓缸的控制方式,建立了兩種由電流變控制液壓缸組成的電流變控系統動力元件的數學模型,並對電流變橋路結構式的動力元件組成的控位置系統進行了模擬。
  17. According need to gate valvechange the valve installed state, stressed the need to code, so that hand valve and valve - round connection, the realization of the valve rod rotation

    據需要改變門設置狀態時,需經調碼后,使門手輪與門桿聯接,實現門桿的轉動。
  18. A mathematical model was proposed to compute the interfacial area on the valve tray

    同時據湍流液體中氣泡變形與破碎的機理,建立了計算浮塔板相界面積的理論模型。
  19. 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,提出比例和伺服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。
  20. The cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control - current of the proportional value, which used in the engine cooling system, to control the speed of the fan. and the size of the control - current is according to the coolant temperature, coolant temperature change rate and target temperature. as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil

    該系統的特點及其實現的功能為:電液混合驅動方式改變了工程機械冷卻裝置驅動方式單一的缺點,發動機冷卻系統採用了電液比例技術控制風扇轉速;單片機可以據冷卻液溫度、冷卻液溫度變化率和目標冷卻液溫度調節液壓驅動系統中電液比例的控制電流,進而控制液壓油的流量,即可以實現冷卻風扇轉速的連續調節;液壓油冷卻系統採用了電動機驅動,然後由單片機據液壓油的溫度控制電動機的起動和停止。
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