閥定時 的英文怎麼說
中文拼音 [fádìngshí]
閥定時
英文
valve timing-
At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation
在實驗中，利用測速管等儀器對在不同速度下的單閥和雙閥固定閥周圍的流場進行了點壓力測量，然後把點壓力轉化為點速度后繪出固定閥周圍流場的二維流線圖，同時測定了塔板的干板壓降，來考察新型固定閥帶折邊后對流場分佈和壓降的影響，為隨后的數值模擬提供對比和依據。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
此閥平時是鎖閉的，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，則此閥會自會鎖閉。而開啟器則是根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閥打開特定角度，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。The gips / gdps series of automatic shut - off valves are safety devices designed to stop the flow of gas when the downstream pressure of the valve reaches a value larger than and / or smaller than the preset operating limit
升壓感應關斷型?與gdps ?降壓感應關斷型?系列自動關斷閥為安全設備，設計當此閥下游壓力達到大於或?和?小於預定操作限度的壓力值時，來中斷瓦斯流動。Water feeding framework takes electromagnetism water valve as administration component and is added relief valve for stabilizing hydraulic pressure ; the system has large, middle and small water valve that changes unlock combination of electromagnetically operated valve, which can get seven different water flux ; if it is necessary, it should adopt microseism water feeding that can make water feeding get stepless timing
3加水機構加水機構採用電磁水閥作為執行元件，加入調壓閥穩定水壓，系統共設大中小三路加水閥，變化電磁閥的開啟組合，可以得出7種不同的加水流量，必要時採用脈動加水法，可使加水達到無級調速。Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac
在控制器的電路結構設計的基礎上，考慮到通訊、控制的及時、穩定、轉換的精度和速度等幾方面，主要完成對微處理器的選擇、時鐘頻率和a d轉換器的選用，閥位變送功能的實現，固態交流開關和顯示器的選擇等。This system has two modes : automatic, manual. under the automatic condition, when the system detect that there is fire happening, the system will turn off blower, switch on valve and pump, and extinguish the fire if no people deal with the fire in the set time after the audible and light. under the manual condition, the operator can extinguish fire in the appointed area by the button in the main controlling panel or the manual button box ( locale )
在自動方案運行情況下，當系統檢測到有火災情況發生時，在發出聲、光報警后的一定時間，如果無人干預，則系統自動執行關閉風機、開閥、開泵，對火災區域進行水霧滅火；而在執行手動方案情況下，操作人員可以通過操作主控制屏上的按鈕或手動按鈕（現場）來對指定的區域進行噴灑滅火。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，電子膨脹閥應該根據具體製冷劑的熱力性質選取；電子膨脹閥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；電子膨脹閥的容量受孔徑影響最大。Exists, above which the radiation will bring detrimental effect to the health
大於閥值時，輻射會對人體健康造成一定的危害。Because the operation in water hydraulic valves is controlled by flow fluid and the pressure drop results from energy loss of flow fluid past valve channel, the flow state of fluid in valves becomes the most important factor for the operational property of valves
由於水壓閥是通過控制流體流動來操作系統的，閥的壓降也來自於流體流經閥道時的能量損失，因此閥內的流體流動狀態就成為決定閥操作性能最為重要的因素。The timing - and - quantitation precision injection of lpg was realized with high - speed lpg solenoid valve and a set of electronic control system, which was designed by the author and can flexibly control the gas supply system of lpg. based on the analysis of experimental data got by comparing the performances before and after the application of the set of equipment on lr6105q12 diesel engine, the effects of load, speed and replace ratio, etc on the emissions of smoke, hc and co of dual fuel engine were expounded. through optimization, the smoke emission was utmostly reduced and the emissions of hc and co were within the government restriction
為此，本文通過對各個方案進行詳細比較，選擇了電控多點順序噴射的供氣方案；利用高速lpg噴射閥和自己獨立開發出一套電子控制系統對lpg供氣進行靈活地控制，實現了lpg的定時定量噴射，並把這套裝置應用到中國一拖生產的lr6105q12柴油機上，在對改裝前後的發動機進行大量試驗和分析的基礎上，闡明了負荷、轉速、摻燒比等因素對雙燃料發動機的煙度、 hc 、 co等排放的影響情況，並且通過優化，最大限度地降低了發動機的煙度排放，同時使hc 、 co排放限制在國家標準規定的范圍之內。Valve setting diagram
閥定時圓圖Valve timing gear
閥定時裝置Smoke extraction fire fight valve refers smoke extraction system installed in the pipeline, in an open state of the gas pipeline fires when the temperature reached 280 degrees automatically closed in a certain period of time to meet the fire resistance stability and fire resistance integrity
排煙防火閥是指安裝在排煙系統管道上，平時呈開啟狀態，火災時當管道內氣體溫度達到280時自動關閉，在一定時間內能滿足耐火穩定性和耐火完整性要求。Fire proof valve refers installed in the ventilation, air - conditioning systems to send, and the road back to the wind, opened in a state of fire when the temperature reached 70 degrees, the gas automatically closed in a certain period of time to meet the fire resistance requirements of the stability and integrity of fire resistance, a possible role of the fire fight valves
防火閥是指安裝在通風、空調系統的送、回風管路上，平時呈開啟狀態，火災時當管道內氣體溫度達到70時自動關閉，在一定時間內能滿足耐火穩定性和耐火完整性要求，起隔煙阻火作用的閥門。Through the simulation, we prove that adaptive control can improve the dynamic characteristic of the asymmetrical cylinder velocity system which controlled by symmetrical valve. it also can make the system ’ s dynamic characteristic to be same in different directions, and the system ’ s big over shoot and stabilization time has been reduced, the stability of the system has been
通過模擬分析，證明了自適應控制能夠有效地改善對稱閥控制非對稱缸速度系統的動態性能，使正反兩個方向上的動態特性對稱，保證系統的穩定性，降低了系統的超調量和穩定時間。Size specification of the stop - check used on the boiler system is usually done by the architect or engineer, but it should be possible for the nibco salesman to assist the wholesaler or contractor in selecting the right valve if there is some doubt
鍋爐系統所採用的截止止回閥的通徑選擇通常由建築師或工程師決定，但是如果批發商或建築承包商在選擇正確的閥門時有疑問，美國尼伯科銷售人員可能可以提供一些幫助。Adjusted pressure / temperature ratings for joints made of copper tube and solder end valves
在連接銅管和焊接埠閥門時要核對壓力/溫度額定值The department of the navy, when using standard commodity type valves, assigns apl - cid numbers to each individual valve manufactured by a company
美國海軍部在使用標準商品類閥門時，需要在某家公司製造的每個閥門上規定apl - cid型號。The advent of the globo d valve for drinking water means that now the tried - and - tested heimeier globo quality can be enjoyed in this important field, too
E - pro型定時適配器是heimeier溫控閥的最新配套件，無論對現有的設備還是對新安裝的設備均可使. .Although the technology of vibration diagnosis has acquired some achievement, on the occasion of having several faults, the method has some trouble that cannot be solved. to solve this problem, some methods i. e. rough - set theory and genetic algorithm have to be used to identify specific fault and decide which pump valve has fault
這種振動診斷技術雖然取得了一定的成果，但是在多個泵閥同時發生故障的場合，這種方法遇到了無法解決的難題，使之不得不求助於粗集理論、遺傳演算法等數據處理方法來分辯故障類型和判斷故障具體發生在哪一個泵閥上。分享友人