汽液比 的英文怎麼說
中文拼音 [qìyèbǐ]
汽液比
英文
vapor liquid ratio-
Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine
選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。The factory is specialized in the manufacture of the whole set of testing equipment fo gas - vase ( do not sew, fuse, liquefied petroleum gas, natural gas etc. spirit bottle ), various air infuses set, remitting to flow row and to infuse tongs ; the stainless steel is four fluorine soft tubes, the industrial air ( the pack ) gathers to pack, modernizing industrial factory premises concentration to provide spirit system and assisting a piece : decompression machine, safe valve, allotment box ; and standard air, hybrid air, special kind air, high install craft device purely and gaseously ; the automation cuts over, going together with to compare to equip automatically ; various air valve door and accessories, spirit bottle enclosure ; the low temperature equipments liquid pump ; vaporize a machine ; the low temperature closes valve ; the ripples takes care of to wait a series product
本廠專業設計生產製造各種氣瓶檢驗成套設備（無縫，溶解，乙炔，液化石油氣，天然氣等氣瓶） ，各種氣體充灌臺，匯流排及充灌夾具;不銹鋼四氟軟管，工業氣體（充裝）集裝箱，現代化工業廠房集中供氣系統及輔件:減壓器，安全閥，分配箱;以及標準氣體，混合氣體，特種氣體，高純氣體的配置工藝裝置;自動化切換，自動配比裝置;各種氣體閥門及配件，氣瓶附件;低溫設備液體泵;汽化器;低溫截止閥;波紋管等系列產品The results of experiments have show that electro - hydraulic proportional control system and its core controller of the auto crane ’ s performance are satisfied. it has the advantage of easily using and low cost, then it is worthy of further developing
核心控制器樣機的試驗情況表明，本文所設計的汽車起重機電液比例控制系統具有簡潔實用、成本低廉的優點，證明了本文研發成果的有效性和實用價值，為產品的產業化開發打下了良好的基礎。Based on above two points, developing electro - hydraulic proportional controller of having independent intellectual property is now urgent to civil auto crane manufacturer. at the beginning, in this thesis, a serial of models about auto crane ’ s function, construction and action are provided after being carefully analyzed with the modeling tool uml ( united modeling language ). using these models, we can easily get along with the design and realization of electro - hydraulic proportional controller
本文首先從研究汽車起重機的功能入手，以面向對象的觀點和使用uml作為建模工具，透徹地分析了汽車起重機功能應該具有的結構、行為特性，經過分析得出的結構、行為方面的特性是作為汽車起重機功能的內部描述存在的、具有固定不變的特點，這些特性的描述是研究與設計汽車起重機電液比例控制系統所必需的基礎工作。There is a growing realization that the only effective way to achieve further reductions in vehicle emissions ? short of a massive shift away from the private automobile ? is to replace conventional diesel fuel and gasoline with cleaner - burning fuels such as compressed natural gas, liquefied petroleum gas, ethanol, or methanol
人們逐漸認識到，唯一有效的方法來進一步減少車輛尾氣的排放量? ?除了大規模減少私人汽車? ?替換傳統的柴油和汽油，用燃燒得更加清潔的燃料，比如說壓縮天然氣、液化石油氣、乙醇、或者甲醇。Hydraulic pile hammer is one of the pile driving machines that drive prefabricated piles into the ground in the construction of pile foundation such as construction, bridge, dock, etc. with the development of science and technology, the prefabricated pile driving machines evolve from block hammer, steam - hammer, diesel hammer to hydraulic hammer. hydraulic pile hammer is one of ideal prefabricated pile driving machines because it can adjust stress waveform, decrease stress peak value, prolong effectual action when it drives piles. hydraulic pile hammer is used widely and formed series in developed countries now
液壓打樁錘是用於建築、橋梁、碼頭等樁基礎施工中打入預制樁的樁工機械。隨著科學技術的進步，預制樁施工機械由落錘、汽錘、柴油錘，發展到了液壓打樁錘。用液壓打樁錘打樁，可以調整撞擊應力波波形，減小應力峰值，延長有效作用時間，是一種比較理想的預制樁施工機械，目前在發達國家已被廣泛使用，並形成了系列化。Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。An ideal steering system is not only easy to handle and more effective, but also provides the best steering feel to the driver. a conventional hydraulic power steering system uses power to supplement the force requirement to steer the wheel based on a fixed assist ratio of the driver ' s input
傳統的液壓助力轉向系統在整個助力過程中按固定的比例提供轉向助力，所以它能夠提供有效的轉向助力但還不能根本地解決汽車駕駛員操縱「路感」不足的問題。A conventional hydraulic power steering system uses power to supplement the force requirement to steer the wheel based on a fixed assist ratio of the driver ' s input. so a conventional hydraulic power steering system is capable of providing power - assisted steering, but it is difficult to supply the best steering feel
傳統的液壓助力轉向系統在整個助力過程中按固定的比例提供轉向助力，所以它能夠提供有效的轉向助力但還不能根本地解決汽車駕駛員操縱「路感」不足的問題。Based on physical experiments, establishing mathematical model, carrying on theoretical calculations, and contrasting experimental results with theoretical ones, it turned out that under the same initiate flow rate, the quicker the closing of the ball valve, the longer the stable time when the liquid gets to vaporizing pressure, and the bigger the water hammer in water interception collision ; under the same closing velocities of the ball valve, the larger the initiate flow rate, the longer the stable time when the liquid gets to vaporizing preesure, and the bigger the water hammer in water interception collision
在試驗研究的基礎上，建立了含氣水錘數學模型，進行數值計算，並與試驗結果進行了比較，結果表明，在管道初始流量相同的情況下，球閥關閉速度越快，液體達到汽化壓力凡時穩定的時間越長，彌合水錘壓力也越大;在球閥關閉速度相同的情況下，管道初始流量越大，液體達到汽化壓力凡時穩定的時間越長，彌合水錘壓力也越大。The distributions of the local density, thickness, temperature, tangential and normal stress and surface tension were acquired by the study of liquid - vapor interface. these simulated data agree well with corresponding experimental data and the md simulation results from other authors, consequently it is proved that the model and simulation method in the paper are correct
對汽液界面進行了分子動力學研究，獲得了汽液界面局域的密度、厚度、溫度、切向應力和法向應力以及表面張力的分佈，並把這些數據與相應的實驗數據和其他作者的模擬結果相比較，吻合較好，從而證明了本文所採用的模擬方法和模擬模型是正確的。Compared with routine hydraulic - mechanic transmission, it has many merits, such as excellent performance, compact structure, convenient handling and low price and so on. therefore, it has been used widely. in our country, as one of the key projects, it has been developed and researched
與常規的液力機械傳動相比，汽車金屬帶式無級變速傳動具有性能優良、結構簡單緊湊、操作方便、造價低等優點，因而在國外轎車上獲得了大量應用，我國也將轎車金屬帶式無級變速器的開發和研製列入國家重大科技攻關計劃。The total target that the transportation departments do about adjusting the construction of transportation capability is keeping the shipping abilities constant and reducing to 18 percent in the dry cargo and break bulk cargo ; rise up 12 percent in oil ships ; owning 1. 5 percent in chemical and liquid ships and 6. 5 percent in roll - roll and other ships in 2005. the transportation capability is controlled by the promotion of 2. 5 pecent during 2006 and 2010. the transportation capability is reduced to 75 percent in dry cargo and break bulk cargo and risen up 13 percent in oil ships ; 2 percent in chemical and liquid ships ; 10 percent in roll - roll container and other ships in 2010
交通部關于運力結構調整的總體目標是： 2005年前，長江省際運輸運力總量基本保持不變，通過結構調整到2005年使干散貨運力比重下降到18 ，油船比重上升到12 ，化學品船和液化氣船佔1 . 5 、汽車滾裝船等其它船舶佔6 . 5 ； 2006年? 2010年，長江省際運輸運力總量平均增長控制在2 . 5以內，通過結構調整，到2010年使干散貨船運力比重下降到75 ，油船比重上升到13 ，化學品船和液化氣船佔2 ，汽車滾裝船、集裝箱船等其它船舶佔10 。The main results in this paper are as follows : ( 1 ) study on starting up performance of thermosyphon : according to the study on the states before and after starting up of thermosyphon with the various filling amount, it is considered that the phase change heat transfer inside the copper - water thermosyphon with a large ratio of length and diameter is not only influenced by the boiling degree of superheat, but also controlled by evaporation and companied with the boiling of the thin liquid film
本文的主要研究結果為： （ 1 ）熱虹吸管啟動性能的研究：通過對從不同充液量、啟動前狀態、內部汽化核心狀態對啟動的影響所進行的試驗研究，認為大長徑比的銅?水熱虹吸管管內相變不僅僅為沸騰，而是以蒸發為主，伴有薄液膜的沸騰。Field use and test shows that, ( 1 ) the coupler drive system improves the soft characteristics in the starting and transmission of the pumping unit ; ( 2 ) the new drive system solves the problems of drive slippage and frequent change of rubber belt ; ( 3 ) it provides large transmission rate and enables adjusting the stroke number optionally ; ( 4 ) the system efficiency of the pumping unit can be improved and power consumption can be lowered by using the coupler drive system
現場應用測試表明： （ 1 ）耦合器傳動系統可改善抽油機啟動和傳動中的軟特性，提高整機和抽油桿的使用壽命； （ 2 ）解決了抽油機膠帶傳動中打滑「丟轉」和頻繁更換膠帶等問題； （ 3 ）實現了抽油機大傳動比，沖次任意可調，從而滿足供液不足油井和稠油注蒸汽生產井的不同需要； （ 4 ）可提高抽油機系統效率2 . 24 % ，日耗電量下降39 . 6 % 。Test method for vapor - liquid ratio temperature determination of fuels evacuated chamber method
測定燃料汽-液比溫度的試驗方法Standard test method for vapor - liquid ratio temperature determination of fuels evacuated chamber method
燃料的汽-液比溫度測定的標準試驗方法The other lies in the imported electro - hydraulic controller itself. being a general product, the imported control doesn ’ t work well in particular working conditions in china
本文密切結合湖南省科技攻關重點項目進行研究，圍繞「汽車起重機電液比例控制系統」的開發做了大量的工作。One reason is that poor of technical level, most civil manufacturers ’ products are based on the imported electro - hydraulic proportional controller which is act as the core, as a result, the cost become higher and lost the advantage of lower cost
在我國由於起步晚，技術水平低，汽車起重機生產廠商往往需要從國外引進電液比例控制系統核心控制器，以提升自身產品的競爭力。According actual situations, a system design pattern called “ double cpu share memory ” is adopted for such a kind of electro - hydraulic proportional controller. so in the third part, the concrete realization is presented to show the efficiency of the system design pattern, in the middle of which it emphatically give out the design of the hardware driving model
針對怎樣實現汽車起重機電液比例控制系統核心控制器問題，即系統的設計問題，本文從整體上研究和比較了多種方案，最終選擇了雙處理器共享內存的體系結構模式，並且從硬體和軟體上完成了核心控制器的詳細設計。分享友人