正壓閥 的英文怎麼說
中文拼音 [zhēngyāfá]
正壓閥
英文
positive valve-
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,利用多閥值分解的分區演算法,實現區域間的解耦,然後根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。Once the pressure of the main network returns to normal, the valve flap of drainage outlet closes under pressure, first, second level check valves open, the main network return to supply water to branch pipeline
一旦主管網壓力恢復正常,排污口閥瓣受壓關閉,一二級止回閥打開,主管路恢復向支管供水。Temperature and pressure relief valve properly installed with a discharge line run to an open drain and protected from freezing
正確安裝降溫減壓安全閥,並配置排泄管引導至一個敞開的排水口,並確保不會被凍結。Through analyzing the figure of energy wasting of pump, the quality in pipes is direct proportion of the speed of pump if the speed of pump is reduced. the power of electromotor fell the cube of the speed of pump. so the energy wasting of constant pressure water supply based on variable frequency speed regulating technology is envident less than the traditional mode is used throttle to supply water
分析水泵工況的能耗比較圖,可以看出利用變頻調速實現恆壓供水,當轉速降低時,流量與轉速成正比,功率以轉速的三次方下降,與傳統供水方式中用閥門節流方式相比,在一定程度上可以減少能量損耗,能夠明顯節能。Tools for pressing. ball - lock punch retainers. part 1 : types a and b, rectangular and square for light duty
沖壓工具.球形閥沖頭限動器.第1部分:小功率用途的a或b型,矩形及正方形沖頭After installation of valve, access to water with the normal pressure, the drainage outlet should have no water leakage
5閥門安裝好后,通入正常壓力的水,排污口應無水流出。Xh rubber slowly - closing cut - off vavle is a new water supply and drainage vavle with full rubber structure, duck - mouthed appearance and functions or positive flow - in and reserve cut - off. according to thrust analysis and calculation as well as different operation mechanism and different rubber products by special processing. all will be open at weak hydraulic pressure is higher, the vavle gate will open more greatly and the water flow is greater. at reserve operation, the vavle gate closes naturally and seals tightly cut - off vavle ; the back pressure is higher, the vavle gate closes more tightly and the seal effect is better. it is used widely in various drainage exit to prevent from pouring backwards and flowing backwards in city planning, water conservancy and sewage disposal etc. it is the ideal productto replace flap vavle
Xf型橡膠緩閉逆止閥是一種全橡膠結構外形呈「鴨嘴狀」 ,具有「正向流入反向逆止」功能的新型給排水閥門產品。它根據受力分析和受力計算,針對不同的工況,採用不同的設計機理,選用不同的橡膠配方,並按特殊工藝製作而成。正向工作時,水由進水口流入,微小的水壓,便能打開閥門,水壓越大,閥門開啟越大,水流量越大。Finally, being aimed at a certain machine model, a experiment research about the means of relief valve to reduce hydraulic impact is carried out, which prove the founded prove founded mathematics model. also, some pending coefficient are amended and the optimum pressure of relief valve is determined. at the same time, a experiment and emulation research about the means of accumulator to decrease hydraulic impact is carried put, in which the optimum pneumatic pressure and the optimum primitive capacity of accumulator were determined
最後針對某一具體機型,對用溢流閥方式減小液壓沖擊進行了實驗研究,驗證了所建立的數學模型並修正了待定系數,確定了溢流閥的最優調定壓力;對用蓄能器方式減小液壓沖擊進行了實驗和模擬研究,確定了蓄能器的最優充氣壓力和最優初始容積。After the normal air - running, engineer must move the regulating handle to the position corresponding to the pressure which has been set by the pressure reducing valve ( pos. no. 28 ) when the speed of the main engine is more than the air cut speed
在正常的空氣運轉后,輪機員必須移動調節手柄到相應的壓力的位置,其壓力已由壓力減壓閥28設定,當主機的轉速已經高於空氣切斷轉速。On the base of the quasi two - stage compression heat pump system with economizer, considering that it can make use of the pressure energy of liquid with high pressure and minish energy losing of the system, ejector is adopted to replace the throttle in the assistant loop, and design the quasi two - stage compression heat pump system coupled with ejector
本課題正是在帶閃發器準二級壓縮熱泵系統的基礎上,考慮到噴射器元件可以有效利用高壓流體壓力能,減小系統能量損失的優點,將其引入系統以替代輔路節流閥,設計出了準二級壓縮?噴射復合熱泵系統。When install, first the two ellipse oval flange on positive - negative pressure measuring container of transmitter would be take off, then take three valve units install on transmitter, turn tighten four screws, final take ellipse oval flange solidly install on three valve units
安裝時選將變送器正負壓測量容室上的兩只橢圓形法蘭取下,然後將三閥組安裝于在變送器上,旋緊四個螺釘,最後將橢圓形法蘭牢固安裝在三閥組上。In order to size a stop - check the technical information needed is saturated steam gage pressure in pounds per square inch and actual required steam volume flow in pounds per hour
為了確定正確的截止止回閥的通徑,需要下列有關的技術參數,飽和蒸汽表壓(磅/平方英寸) ,和實際所需的正氣流量(磅/小時) 。Therefore, if both check valves foul, and simultaneous negative supply and positive backpressure develops, the relief valve uses the air - in / water - out principle to stop potential backflow
因此,如果兩個止回閥都受到污染,並且同時出現負供應壓力和正反壓力,則這種安全閥就利用氣進/水出原理來阻止潛在的迴流。Aiming at the problems of smoke control and hvac fire protection in civil building design, analyses some provisions in the current national standards and codes for smoke extraction in inner passages, setting of fire dampers in hvac systems and setting of pressurising air supply systems in upright evacuation passages for underground and semi - underground spaces, and gives the author ' s personal opinions
摘要針對民用建築工程設計中遇到的防排煙及通風空調系統防火問題,分析了現行國家標準關于內走道排煙、通風空調系統防火閥設置、地下室及半地下室豎向疏散通道正壓送風系統設置等的相關規定,並提出了個人見解。Respiratory protective devices - compressed air line breathing apparatus with demand valve - part 2 : apparatus with a half mask at positive pressure - requirements, testing, marking
呼吸防護裝置.帶用量閥的壓縮空氣管路呼吸裝置.第2部分:在正壓下半罩式面具裝置.要求檢驗和標記The assembly shall consist of two positive seating check valves located between two resilient seated shutoffs with a hydraulically balanced bypass line and four test cocks
這種總成應該由兩個正向密封止回閥,兩邊夾著兩個彈性閥座關閉閥,並配置一個液壓平衡旁路管線和四個測試旋塞構成。Respiratory protective devices - compressed air line breathing apparatus with demand valve - apparatus with a half mask at positive pressure - requirements, testing, marking
呼吸防護裝置.帶用量閥的壓縮空氣管路呼吸裝置.在正壓下半罩式裝置.要求檢驗和標記Respiratory protective devices - self - contained open - circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only ; german version en 14529 : 2005
呼吸保護裝置.逃生用包含由需求閥控制的正壓呼吸器的Respiratory protective devices - self - contained open - circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only
呼吸保護裝置.逃生用包含由需求閥控制的正壓呼吸器的帶半罩式面具的自持式開路壓縮氣體呼吸機Electrohydraulic push rod drives the two - way pump to output pressure oil with rotation of motor clockwise and counter - clockwise, by control of hydraulic valve, send to the hydraulic cylinder, to achieve the reciprocating movement of the piston rod
電液推桿以電動機正反轉,帶動雙向泵輸出壓力油,經液壓閥控制,送至液壓缸,實現活塞桿的往復運動。分享友人