節流特性 的英文怎麼說

中文拼音 [jiéliútèxìng]
節流特性 英文
restriction characteristics
  • 節 : 節構詞成分。
  • 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...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 節流 : 1. （節省經費開支） reduce expenditure 2. [工業] orificing; choke; throttle down, throttle back; throttle
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. Joule - thomson ( j - t ) refrigeration cycle has many applications in the field of energy, national defence, biomedical storage and cryosurgery, due to its simple structure, reliable performance and low cost

    J - t節流製冷機以其結構簡單、可靠性高、適應性強的特點，在能源、軍工、空間、生物、醫療和生命科學等領域得到了日益廣泛的重視和應用。
  3. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。
  4. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理，運用流體力學理論，建立了該減振器阻尼特性的非線性參數化模型，模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響，通過試驗測試，得到了減振器樣件的阻尼特性及其可調范圍。
  5. The seral znm73x anti - wear material valve made by superior quality anti - wear material from our company, with special condtruction design, hight anti - wear for the wear and corrosive slurry

    我公司生產的znm73x系列耐磨料漿閥採用本廠優質耐磨材料，特殊結構設計，適于各類無腐蝕性料漿管道中作節流或截止使用，尤其對含磨蝕性顆粒料漿具有很高的抗磨性。
  6. First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control

    文中，首先通過建立系統的數學模型，分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性，包括它的環流特性、功率特性和電壓閉環調節特性；在此基礎上，又研究了幾種典型的並聯運行控制方式；然後，採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。
  7. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景，本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上，研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置，進行了串聯閥電路的設計和模擬，完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程，並進行了裝置的實驗調試。
  8. This paper tries to have some innovations in the following aspects : ( 1 ) the main cause of our tax revenue depending mainly on turnover tax is short of innovation in system ; ( 2 ) it ' s innovation in system to impel the rising of income tax in developed counties, which is a good example for us to learn from in the optimization of our tax structure ; ( 3 ) the main function of turnover and income tax should be separated according to their characters ; ( 4 ) the reforms in turnover and income tax should be taken simultaneously, congenially and complementally, although the former will be more progressive while the later more abrupt ; ( 5 ) the essential function of tax is to raise revenue, but its fair - promoting effect is much more obvious in disbursing than in collecting

    本文力求在以下幾個方面有所創新： （ 1 ）認為我國稅種收入過度依賴流轉稅的主要原因是制度創新力度不夠； （ 2 ）認為制度創新是推動發達國家所得稅從弱到強的主要原因，提出我國稅種結構優化需要在制度上大膽創新； （ 3 ）提出根據各個稅種的特性，流轉稅和所得稅的主要功能應有所分工； （ 4 ）流轉稅和所得稅的改革應雙管齊下，以漸進的方式改革流轉稅，以突變的方式改革所得稅，分工協作，優勢互補； （ 5 ）提出稅收的主要功能是籌集收入，稅收在徵收環節在促進結果公平方面效果甚微，稅收在支出環節更能有效促進結果公平。
  9. This article analyses wuhan dialect rap, a current fashion which combines regional dialect and the most popular and influential form of pop music

    摘要武漢方言說唱樂是說唱樂這種音樂形式和本土方言相結合而產生的新生事物，武漢方言本身的特點賦予其歌詞特殊的節奏性、新穎性、流行性和創造性。
  10. Specifications : power input : standard 220vac, 50hz power output : standard 12vdc, 3a control electric locks or bolts directly

    功能特性：交流輸入：標準220vac ， 50hz直流輸出：標準12vdc ， 3a直接控制電鎖：可減少門禁控制器的負荷，節省工程布線，減少故障隱患。
  11. Based on the characteristics of the daily regulation wave of hydropower stations, the water surface lines in the rising and falling stages are calculated by using an one - dimensional steady flow model and an unsteady flow sediment model

    摘要根據水電站日調節波的特性，運用一維恆定流和非恆定流泥沙數學模型，分別計算了河道漲落水過程的水面線。
  12. Moreover, special aspects of self - similar traffic are summarized. for long - range dependent traffic, two prediction models are given and discussed the prediction results can be applied to reduce loss ratio in allocation of memories in network nodes. the first model is farima ( fractional autoregressive integrated moving average )

    根據自相似業務流的長相關特性，本文重點討論了兩種數學模型，目的是用這兩種模型對自相似業務流進行預測，進而根據預測結果對計算機網路節點的存儲器資源進行合理的分配，使得丟失率達到最小。
  13. For example the concrete faced rock - fill dam in frigid zone is distinctive in terms of frost resistance and durability, cushion material seepage prevention and frost heave, adaptability of darn filling with season coordination among construction diversion, flood discharge and the whole construction schedule etc. lianhua construction which is situated in mudanjiang basin of heilongjiang province firstly creates the successful record of construction of large - size faced rock - fill dam in frigid zone, a series of internal and external problems not having a precedent to go by have been solved

    如在面板的抗凍耐久性、墊層材料防滲和凍脹特性、壩體填築與季節的適應性、導流和度汛與總體進度的協調等方面，寒冷地區混凝土面板堆石壩均有其獨特之處。蓮花工程位於黑龍江省牡丹江流域，首創了高寒地區修建大型面板堆石壩的成功記錄，解決了一系列國內外均無先例的難題。
  14. Thirdly, the mathematics model of forecasting low flow was established in fengcong and fenglin regions according to these factors influencing the amount of low flow in karst drainage ( the area of drainage, lithology, the type of landforms and its special assembly and forest ) the conception of low water resources carrying capacity was first put forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage ( ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons ) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage

    三是根據影響喀斯特流域枯水徑流的下墊面因素（空間尺度、巖性、地貌類型、植被） ，分別對峰叢和峰林等喀斯特地區建立枯水徑流預測模型。根據喀斯特流域枯水資源的空間變化規律以及實際開發利用狀況，首次提出了枯水資源承載力的概念，即在枯水季節期間，保持良性的生態環境和現有的技術條件下，某一區域內可開採的水資源量對支持該地區人口、經濟與環境協調發展的能力和限度。並初步分析了枯水資源承載力的內涵、特性，從水資源的供需方面確立了喀斯特流域枯水資源承載力的指標體系。
  15. In this paper, according to the characters of river ecosystem, the concept of ecohydrological regime is proposed, and the multi - parameter system of the ecological water requirements ( minimum and appropriated ecological water demand, ecological water requirement in flood season ) are established, which are regarded as flow requirement for river health

    本文首先從河流生態系統特性入手，提出生態水文季節，構建了多參數生態需水（最小生態需水、適宜生態需水、洪水期生態需水）體系並分析其內涵，組成了能反映河流生態系統健康的流量等級。
  16. Optional disc configuration, where more linear throttling characteristics are required

    備選閥瓣結構，適用於要求更好的線性節流特性的應用場合。
  17. 5. the internal ballistics and the throttling performance of 85 % h2o2 - pe hybrid rocket motor loaded with tube grain are studied. the hot firing data of two test motors have been carefully analyzed

    研究了管型藥柱的85 h _ 2o _ 2 - pe固液火箭發動機的內彈道性能和節流特性，分析了兩臺發動機的試驗結果。
  18. The nonlinear problem is ubiquitous and is difficult to solve in electro - hydraulic servo system. it is caused by the throttling property, because of the existing of the servo valve, proportion valve and throttling valve, by the dead band, the back lash and so on

    非線性是電液伺服系統中普遍存在且至今沒有很好解決的問題，這些非線性主要由電液轉換和控制元件（伺服閥、比例閥或節流閥）的節流特性和液壓動力機構的滯環及死區等因素引起。
  19. The feeder net model for distribution automation is built based on the nod information matrix and the line information matrix, and the nods represent the switches and the fault indicator in the distribution net. the method of fault locating offered by this paper called line fault probability method, which locates fault by calculating the fault probability of line in the net. this paper also provides a method called volts d. c. for restoration and offers the regulation of restoration

    採用節點、支路信息矩陣來描述配電網路，形成面向故障自動化處理的網路數據結構；提出了基於支路故障概率的故障定位演算法，並結合短路電流特性判據法來定位故障支路；在定義直流等值網的基礎上，提出了優化供電恢復的直流電壓降法；開發了配電網故障自動處理軟體系統，並用於實際配電自動化工程中。
  20. According to the concept of available water supply, the calculation methods about available water supply of the large scale reservoir are studied and the concrete procedures of the long - series regulation method are proposed. through the calculation of the monthly natural runoff every year, water incomes under present engineering status, and the long - series dynamic water usage regulation of the 32 large scale reservoirs in shandong province, available water supply under assurance rates of 50 %, 75 % and 95 % are obtained. according to the analysis of runoff characteristics of each reservoir ( multi - year mean runoff depth and runoff coefficient ), the relationship between water supply incomes under different assurance rates for current year and the year of 2010, the reservoirs with water supply potence are given

    根據對可供水量概念的理解，本文對大型水庫可供水量的計算方法進行了探討，提出了採用長系列調節計算的具體方法；通過對山東省32座大型水庫的歷年逐月天然徑流量、現狀工程情況下來水量、長系列變動用水的調節計算等多個步驟，得出了各水庫50 、 75 、 95三種保證率的可供水量計算成果，並對每個水庫的徑流特性（多年平均徑流深及徑流系數） 、全省大型水庫現狀年及2010年的不同保證率的可供水量與來水量的關系進行了分析與研究；分析提出了具有供水潛力的水庫。
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