節流環 的英文怎麼說
中文拼音 [jiéliúhuán]
節流環
英文
restrictor ring-
As we all know, kone is not only the leader in energy saving and environmental protection, but also an advocator of the idea that elevator escalator is the heart of your building
先進的製造技術眾所周知,通力不僅是節能環保潮流的引領者,也是視電扶梯為建築心臟的倡導者。Various sensors that are besotted in the 3d world through vrml can effectively sense all kinds of operators " behaviors ; java byte codes that are besotted in the interface between vrml and java through the " script " node can finish difficult tasks. so the alteration can be concluded as follows : operators touch parts of the shelf, and the java byte codes execute the relative function, finally results are reported to the operators. ( 3 ) through detailed studying the working function of the throttling experiment, i constructed a mathematical model of the experiment and simulated the model
Vrml可以在瀏覽器環境中為3d實驗臺模型添加多種感知器,能夠良好地感知操作者的各種意圖;在vrml和java技術的介面中,可以利用java程序代碼來完成一些復雜的任務,從而實現了實驗的交互:實驗者感知實驗臺的各種儀器,程序完成相應的任務,然後返回相應的結果; 3 )仔細研究了節流調速實驗的液壓迴路原理,對實驗過程建立了相關數學模型,進行模擬分析並獲得了模擬結果,實現了基於模型驅動方法的虛擬實驗; 4 )實驗臺遠程訪問的實現。A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later
每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成,前級採用電壓型pwm前饋控制技術,后級採用三態dpm電流滯環控制技術。Insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by thermogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope
電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯和聚丙烯專用方法.第1節:耐環境應力破裂性.在空氣中熱老化后的卷繞試驗.熔體流動指數測量.聚乙烯中炭黑和The controller includes two control loops which are outer speed loop ( variable parameter pi adjustment ) and inner current loop ( single - chop current delta - control ). in order to improve system performances, design of digital control system based on dsp is presented. the proportional parameter and integral parameter can be obtained through the design
整個系統採用變pi參數轉速調節(外環)與單斬電流滯環調節(內環)相結合的雙閉環控制方式,為了得到既快速又穩定的恆速系統,本文還給出了基於dsp的雙凸極永磁電機數字控制系統的設計方案,通過此設計方案可以得到轉速環的比例參數kp和積分參數ki的參考值。According to a series of experimental data, the effect of following factors on the temperature in the ultra - low temperature box and cop are analyzed : the mixture composition, the pressure ratio and the return fluid extraction ratio of the rectifying column, the refrigeration capacity and the flow rate through throttle valve
並根據一系列實驗結果,分析了工質配比、循環壓比及精餾柱迴流液的抽取率、加熱量和節流元件對低溫箱內溫度和系統cop的影響,為今後的進一步研究指明了方向。After analyzing the shortage of former control ways to logistics cost according to traditional ways of accounting cost, it bring a new way of controlling logistics cost which is the objective cost controlling basing on abc system. according to the characteristic of logistics cost, the logistics course will be divided several logistics task cell. when the logistics task was given a cost goal, the logistics cost can be controlled under the goal to achieve the object
在分析了傳統成本核算模式下物流成本控制方法的不足的基礎上,提出了作業基礎的目標物流成本控制方法;並根據物流的運作特點,把企業的物流環節分成不同的作業成本單元進行控制,而對每個物流作業單元制定一個合理的目標成本,實現在作業基礎上實施目標物流成本控制的理想方法。The valve stem with its grooved rings and positioning sleeve indicates the throttled position of the valve
閥桿及其溝槽環和定位套筒顯示閥門的節流位置。The air thermal cnergy water heater creates the new generation hot water cquipments. it makes use of the negative card promise successfully, drieing a hot pump with the elcctrie power. equiping through a hot pump medium of compesing parts evaporate a machine. hot pump, congealed machine and inflate valve, urge the work quality completes evaporationt absorb calories within air continuously compress compress congealed reduce expenses evaporate of the thermody name energy cirenlation proess, transfer the calories in the environment to the water thus in, transfer the in great quantities free calories in the air to the life to use a water in
空氣節能熱水器是創新一代熱水設備,它成功地運用逆卡諾原理,用電能驅動熱泵,通過熱泵裝置中的構成部件-蒸發器,熱泵,冷凝器和膨脹閥,促使工質不斷完成蒸發(吸收空氣中的熱量)壓縮冷凝節流蒸發的熱力循環過程,從而環境的熱量轉移到水中,將空氣中大量免費的熱量轉移到生活中水中Internet payment is an indispensable and key sector of electronic commerce since electronic commerce cannot function without capital movement
電子商務脫離不了資金流環節,因此網上支付是電子商務的必要和關鍵環節。With the basic theory of air buffer, aiming to the key segment for modeling - flow equation and gas buffering process, theoretical analysis with experimental data is helpful to realize the modeling and simulation research. 3
介紹了氣動緩沖的基本理論,通過機理分析建立了被研究對象的數學模型,針對建立精確數學模型的關鍵環節? ?流量方程和氣動緩沖過程,提出機理分析與實驗建模相結合的建模方法,並進行了模擬和實驗研究; 3The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model
其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號,並對採集到的電流信號進行極性變換處理的功能;驅動電路接收dsp輸出的高頻驅動信號,通過耦合器件直接驅動ipm模塊;保護電路利用採集到電氣信號對整個系統實施保護,包括過電流、過電壓、欠電壓、 ipm模塊過熱等。The limitation of mini - volume and mini - power application condition is adequately considered, and design of whole refrigeration system is accomplished farther, including choose and structure design of compressor, choose and calculation of heat exchanger, calculation of capillary, etc. structure design of the rotary compressor is the most primary part of the design of whole refrigeration system
根據計算結果,並充分考慮到小體積、小功率的應用環境限制,進一步完成了整個製冷系統的設計實現,包括壓縮機的選型和設計、換熱器的選擇和計算以及節流管的計算等等。其中,滾動轉子壓縮機的結構微型化設計是整個製冷系統設計的核心部分。They will short down the working life of air compressor because they are always started or stopped when we want to make the railway carriage stay in a fixed temperature. now, automatic and intelligent control systems are being applying in bus air - conditions control. in this way, computers control the work of air compressor, the turnaround speed of fan, the open degrees of wind controlled doors and so on
我國大多數客車空調仍然採用簡單的壓縮機開關控制及循環離合控制系統,如:離合器?熱力膨脹閥系統( cctxv )和離合器?節流管系統( ccot ) ,這些控制方式的精度低,當進行恆溫控制時壓縮機處于頻繁的開、停狀態,縮短了壓縮機的工作壽命。It is concluded that it may be disadvantageous to capacity modulation at low temperature environment if the condenser area is smaller and throttle set is capillary. 3
結果表明:系統在冷凝器面積偏小和採用毛細管作節流裝置的前提下,不利於低溫環境下的容量調節。The logistics vertical corperation can inspire bigger flow of commodities all over china. with the yangtze river transportation, the world logistics can touch wuhan, which is more important for the development of port logistics in wuhan. as the junction of several transportation, logistics and transshipment, the port logistics in wuhan will lead to a healthy way with the construction of logistics and business center, information service center, modern industrial center and supported service center
各種運輸方式的交匯點、多個物流環節的銜接點、水路中轉物流的集散點決定了武漢市港口物流發展方向和前景,加快武漢市港口物流服務中心、商務中心、信息與通信服務中心、現代產業中心和後援服務中心的建設,將會使得武漢市港口物流發展沿著健康、穩定的方向。A prototype for 3000va 27vdc / 115v400hzac three - phase aviation static inverter with high frequency pulse dc link is designed and successfully developed
設計、研製成功了3kva27vdc 115v400hzac三相高頻脈沖直流環節航空靜止變流器。The operation principle of the aviation static inverter with high frequency pulse dc link is discussed, and the design criterions of the key circuit parameters are gained
本文論述了高頻脈沖直流環節航空靜止變流器的工作原理,獲得了關鍵電路參數設計準則。The three - phase aviation static inverter with high frequency pulse dc link is made of three independent aviation static inverters and has the advantages such as strong function with unbalanced load and easy realization for module
三相高頻脈沖直流環節航空靜止變流器由三個獨立的航空靜止變流器構成,具有帶不平衡負載能力強、易於實現模塊化等優點。This kind of butterfly valve is suitable for foodstuff, pharmacy, petroleum chemical industry, electric plant, steel plant, industrial environmental protection water treatment and high building, for adjusting flux on water supply tube
本蝶閥適用於食品、醫藥、石油化工、電廠、鋼廠、工業環保水處理及高層建築、供排水管道上作調節流量和截斷流體最佳裝置。分享友人