流動式起重機 的英文怎麼說
中文拼音 [liúdòngshìqǐzhòngjī]
流動式起重機
英文
mobile crane- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 起 : 起Ⅰ動詞1 (站起; 坐起) rise; get up; stand up 2 (取出; 取走) draw out; remove; extract; pull 3...
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 機 : machineengine
- 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
- 起重機 : crane; derrick; crab; freight elevator; hoist; lifter; cranage; hoister
- 起重 : jack up起重臂 jib loading boom; cargo boom; erector arm; jibboom; 起重車 carriage hoist; crane ca...
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Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設計具有一定的指導意義。Owing to its excellent adaptability to large angle - displacement between two transmission shafts and other characteristics such as large transmission ratio, terse mechanism, high transmission efficiency, cardan cross - pin spindles has been widely used as an important mechanical part in transport machines, metallurgy machines, petrolic machines, heavy machines, etc. as an effective and promising approach to resolve complicated development of modern software, component - based development ( cbd ) is put forward to change the present way of software development by producing software through assembling ready software components and its final target is to realize the industrialization of software development totally
十字軸式萬向聯軸器能夠很好地適應傳動軸間的較大角位移,而且具有傳遞扭矩范圍大、結構緊湊、傳動效率高、維修保養方便等特點,是一種重要的傳動部件,因此在交通運輸、冶金、重型機械等領域中得到廣泛應用。基於組件的開發是近幾年發展並日益成熟起來的一種軟體開發新方法,其核心思想是以流水線方式、通過組裝組件生產軟體,從而容易實現軟體開發的工業化。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。Step - nc ( iso14649 ) expends step into the area of cnc and renews the data interface between cax and cnc, which helps cnc system to use data models of products in three dimensions according with step directly in order to output nc programs then control machines directly, eliminate choke points of the information stream between cax, such as cad, capp, cam, cae, ped, erp and so on, connect the design product information and manufacturing product information on the base of step in the form of object - orientation, and change the traditional movement and switch control - orientation numerical programs into object - orientation programs
Step - nc ( iso14649 )將step擴展至cnc領域,重新規定了cax與cnc之間的介面,其目的是: cnc系統能夠直接使用符合step標準的cad三維產品數據模型,直接產生加工程序來控制機床;在step的基礎上以面向對象的形式將產品的設計信息與製造信息聯系起來,消除cax (如cad 、 capp 、 cam 、 cae 、 ped 、 erp等)與數控系統之間信息流瓶頸;將傳統的面向運動和開關控制的數控程序改變為直接面向加工對象的數控程序。E ) lack of foresight on finance lease scheme, which causes irrational tenor structure and imbalanced annual outflow of rental payments, results in funding costly. to solve aforesaid problems, thesis finds out the following principles for optimizing ca ' s aircraft finance : a ) determining the volume and currencies of ca ' s cross - border aircraft finance based on the annual outflow of foreign debt repayments and annual net inflow of foreign exchange, so are the dominated currencies in debt. b ) enlarging the portion of borrowings at floating interest rate in ca ' s whole foreign debt
針對以上存在主要問題,本文進一步提出了優化飛機融資的總體構想,包括:根據其每年的外匯流入總量及幣種構成確定國航合理的飛機境外融資規模應與負債幣種;在利率結構方面,擴大浮動利率在整個國航外債中的比重,選擇適當時機將部分固定利率貸款轉換為浮動利率貸款;在飛機引進多元化方面,通過與飛機製造廠商、出租公司飛機互換的方式優化機隊構成,結合提前中止現有飛機租賃就能夠起到優化債務結構和機隊構成的事半功倍的效果,以及在未來飛機融資中優先使用經營性租賃等。The main topic of this dissertation was the management element allocation of agricultural enterprises ( meaae ) from the theoretical study and empirical study, and put forward the allocation system, which included the strategy decision - making institution of agricultural enterprises, property right institution, the allocation institution of human resources, optimized market institution, law, investment and financing institution, the function change of government under the background of changing market at home and abroad after china " entry to wto. the dissertation analyses the problems of lower allocation efficiency in agricultural operation such as : lower liquidity of management element, the separate management, small - lot production, the influence of the new agricultural management element to agricultural economy, the lag of allocated system and model for agricultural enterprises management element based on the producing ability and economic base that were formed during twenty years of agricultural reform and d evelopment.
本文以我國加入世界貿易組織后引發的國內外市場環境變化為研究背景,立足於我國農業改革發展二十多年形成的生產能力和經濟基礎,針對我國農業經營中存在的經營要素缺乏必要流動、經營要素分散、細碎化配置等引起低效率配置問題,以及新型農業經營要素對農業經濟的影響和農業企業經營要素配置機制、模式等研究嚴重滯后的現狀,從理論和實證兩方面系統研究了不同類型農業企業經營要素配置制度,提出了以農業企業戰略決策制度、產權制度和人力資源配置制度為主要內容,配套優化市場制度、法律制度、投融資制度及政府職能轉換等外部環境的農業企業經營要素配置制度體系。With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models
熱力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結晶過程,晶核形成和晶體生長動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵,因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。Technical specification for yzrsw range of three - phase eddy - current brading wound rotor induction motors for column crane application
Yzrsw系列塔式起重機用渦流制動繞線轉子雙速三相異步電動機技術條件To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds
利用所取資料,系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵;綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用;用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明,沙塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。This agreement is made and entered into on this date and shall obligate the undersigned parties and their partners, associates, employers, employees, affiliates, subsidiaries, parent companies, any nominees, representatives, successors, clients and assigns hereinafter referred to as “ the parties ” jointly severally, mutually and reciprocally to the terms and conditions expressly stated and agreed to below and this agreement may be referenced from time to time in any document ( s ), or written agreements and the terms and conditions of this agreement shall apply to any exchange of information written or oral involving financial information, personal or corporate names, contracts initiated by or involving the parties and any addition, renewal, extension, rollover amendment, renegotiations or new agreement hereinafter referred to as “ the transaction ” ( project / transaction ) for the purchase of all commodities, products and equipment
這項協議已經進入了議程,並應責以下簽字的當事各方和他們的合作夥伴公司,聯營公司,僱主,雇員,分支機構,子公司,母公司,和任何被提名人,代表,繼承人,客戶,並為其指定以下簡稱"各方"共同分開,可相互對等,以條款及條件明文規定,並獲通過下面這個協議可以參照,不時在任何文件,或書面協議和條款及條件本協議適用於任何信息交流,以書面或口頭方式,涉及的財務資料,個人或公司的名字,合同發起或參與的各方及加建,重建,擴建,滾動修正,重新談判或新的協議以下簡稱為"該交易" (工程/交易)用於購買所有商品,產品和設備。Electronic soft starter is a kind of novel motor control device which can implement the soft - start, soft - stop and energy - saving of the asynchronous motor. compare in the traditional motor starter, it has outstanding advantages such as stepless regulation of the motor start, avoid the inrush of the torque and the current, and reliable protections, convenient operation and starting repetitively. so the paper aim at electronic soft starter, asynchronous soft starter of electrical machinery electron as research object, study it ' s high - performance soft starting technology - torque control soft - start, develop its realization circuit
異步電動機電子軟起動器是一種集電機軟起動、軟停機、輕載節能和多種保護功能於一體的新穎電機控制裝置,相比于傳統的起動器,它突出的優點體現在能夠連續無級的調節電機起動、沖擊轉矩和沖擊電流小、控制簡便、起動重復性好以及體積小等方面,本文以異步電機電子軟起動器為研究對象,研究高性能的電機軟起動技術- - -轉矩起動方式,並研製其實現電路。The newer cars drop sand automatically, glover said. getting conductors back into the city was part of the battle to resume streetcar service
除臨時重啟老式電車之外,要使電車重新開動起來,還需要召回颶風過后流離他鄉的電車司機們。Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street
輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落,但隨著都會地區機動車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿線居民高度的便利性,消除交通堵塞噪音及空氣污染等,輕軌系統並與街景充分的調和,成為活動的都市意象。A3. initially, 12 types of commonly used equipment are included in the qpme system. they are : tracked bulldozer ; wheeled bulldozer ; tracked loader ; wheeled loader ; excavator ; generator ; mobile crane ; vibratory roller ; road roller ; asphalt paver ; vibratory compactor ; and power rammer
答3優質機動設備制度初步會採用12類常見的設備,分別是: 1履帶式推土機; 2輪動式推土機; 3履帶式搬土機; 4輪動式搬土機; 5挖土機; 6發電機; 7流動起重機; 8振蕩式滾壓機; 9道路滾壓機; 10瀝青攤鋪機; 11振動式壓實機及12機動夯土機。The numerical simulation and experimental research made on the characteristics of the clearance cavitations in kaplan turbine are described herein ; in which the analysis mainly is concentrated on the characteristics of leakage - vortex caused by the flow of the clearance between blade tip and blade chamber, that occurs at the front - pressure side of the blade, and the intensity of the secondary - flow - vortex ; furthermore, the relationship in between the leakage - vortex, secondary flow vortex, cavitations and erosion are analyzed as well
摘要對軸流轉槳式水輪機輪緣間隙流動及空化特性進行數值模擬和試驗研究,重點分析輪緣間隙流動在正面頭部泄漏流動所引起的泄漏渦帶、二次流動的漩渦強度和空化特性,以及泄漏渦帶旋轉、二次流動的漩渦與空蝕和磨損之間的關系。The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash
氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動,從而影響了燃燒效率,對整機的動力性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋燃燒室決定了影響整機動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以燃燒室對整機動力性、經濟性、排放等都有重要的影響;氣缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。Lifting appliances - vocabulary - mobile cranes
流動式起重機Shop test code for marine ac electric overhead travelling cranes in engine room
船舶機艙內交流電動橋式起重機的工廠試驗規程In the meantime, the paper introducted the method of fixed - frequency sampling in combination with commutation method by overlap in order to hold back the torque ripple of bldcm
論文主要研究了兩相和三相無位置傳感器永磁無刷直流電機由電流換相引起的轉矩波動,推導出相應的轉矩波動公式,提出一種採用定頻采樣和重疊換相相結合的方法對換相轉矩波動進行抑制和控制。分享友人