最大流率 的英文怎麼說
中文拼音 [zuìdàliúlǜ]
最大流率
英文
maximum flow rate-
The discharging capacity of single aluminum / air battery was over 40ah with 4a, and the output power of aluminum / air battery pack was as high as 110w
鋁空氣單電池,恆流4a放電,放電容量超過40ah ;鋁空氣電池組的最大輸出功率超過110瓦。( 2 ) gene flow frequency was reduced as distance from pollen donor increased and a dramatic reduction occurred at about 2 meters. the maximum distance where gene flow was not detected was 50 m for hybrid rice while it was 70 m for ms lines, with an exception that in one of the four ms lines it was detected a frequency of gene flow 2. 8 + 10 - 6 at 150 m for zhong 9a
在開花期主流風向ne的風速為0 . 2 ? 2 . 2m / sec的條件下, 2個雜交稻品種的最大漂流距離為40m ; 4個不育系的基因漂流基本上到60m為止, 70m處基因漂流頻率均降為0 ,僅中9a在150m處發現了1株basta抗性苗,經pcr檢測驗證為陽性。To determine which exchange-rate system offers the most stability in the face of such capital flow shocks, let us take the case of sudden capital flight from the country.
為了確定哪一種匯率制度在面臨這種資本流動沖擊時具有最大的穩定性,讓我們以資本突然從這個國家外逃為例。And the probability of small - size air core is the biggest while the ratio of runoff is small
研究表明,在流速比較大時,中等尺寸的氣核出現概率最大;流速比接近1時,小尺寸氣核出現概率最大。Although the patterns of residual currents are likely to reflect the patterns of fine - grained sediment transport, it is difficult to relate such patterns to the transport of coarse - grained sediment
然而余流的趨勢雖有可能反映細顆粒沉積物輸運的最大概率方向,卻難以與粗顆粒沉積物的輸運對應起來。Maximum flow rate
最大流率Based on the muscle force trait of slalom kayaking and by using the force quality testing equipment, the maximal power test of bench pull in different weight was given to the national excellent women slalom kayakists
摘要通過研製的力量素質測試設備,根據皮劃艇激流運動主要肌肉用力特點,對國家皮劃艇激流隊優秀女隊員進行了不同重量下的臥拉最大功率的測試。When the punched baffle is proper in length, the small holes are in staggered arrangement and the punched ratio gradually increases from the central axis to the boundary along the baffle length, the performance of flow distribution in the plate - fin heat exchanger is effectively improved by the optimum design of header configuration
從實驗對比分析中得出,當擋板小孔呈錯排分佈、開孔率沿擋板的中軸線向兩側逐漸增加、且總開孔率達到50 %左右的時候,在相同的入口條件下,不均勻系數由原始封頭的1 . 210降至0 . 209 ,最大流速與最小流速之比由23 . 163降至1 . 756 。This dissertation is faced to the process of steel rolling to found network of manufacture material flow, basing on it founding guide line evaluation system of the cost of unit standard producing working procedure, guide line evaluation system of the quality cost of unit standard producing working procedure and guide line evaluation system of performance and efficiency ; and base on the cost data of all kinds of material flows, manufacture flow, flux data, manpower, energy consume, material consume, capital asserts occupied, fund occupied, and the production in working procedure, throughput of the materials in working procedures in the flow and countercurrent flow in the network of material flow of recorded in working procedure producing, using the “ whole closed down lane ” model to describe network of manufacture material flow of steel rolling, found the cost analyzing model system of the network faced to producing process. make the cost increasing of the producing by abnormity material flow in working procedure, and even the cost increasing of the producing procedure as the cost of the management behavior of working procedure fallen under cost evaluation guideline in responsible working procedure, so as to ration measure the factors fast correlated with management behavior by measuring the cost
在企業管理信息化輔助工具所建立的數據平臺基礎上,建立了以基準物流圖模型為基礎的軋鋼生產主流程物流網路拓撲圖,根據圖論的理論求解最大流量和最小費用;計算每個生產節點的加工成本,分離質量成本,克服了單純財務數據進行成本核算所帶來的缺陷;建立了軋鋼生產主流程工序含鐵物料吞吐能力基準圖模型,並根據此模型建立了軋鋼生產主流程工序激勵物流協調性和匹配性、工序響應物流協調性和匹配性分析的過程能力指數計算方法;通過引入決策單元綜合投入與綜合產出效率最優原則的模型和基於投入不變、分析產出是否有效或基於產出不變、分析投入是否有效的模型,實現了對多個績效指標在不同績效值集合之間的相對比較,並可根據投入產出效率準則、或者投入(產出)有效性準則進行排序。To analyze the factors of impacting load balancing of links, which is including the number of routes between source node and destination node, the number of routes through every link, the maximum flow between source node and destination node, the maximum flow through every link, the free bandwidth of every link and so on, we present the fast dynamic routing algorithm ( fdra ) and the critical link routing algorithm ( clra ). simulation results show presented algorithms in the paper are better than other algorithms in reject ratio of the traffic requests and performance of rerouting the traffic requests when a link is failure, especially in computing time cost
通過分析影響網路的鏈路負載均衡的因素,比如源-目的節點間的最大流,通過每條鏈路的最大流,源-目的節點間的路徑數目,通過每條鏈路的路徑數目,以及鏈路的剩餘容量等,提出了快捷動態路由演算法fdra和關鍵性鏈路路由演算法clra ,通過模擬,與最小跳演算法( mha ) 、最寬最短路徑( wsp )演算法、最小干擾路由演算法( mira )相比較,提出的兩種演算法在業務阻塞率、資源利用率以及重路由性能方面都有很好的效果。Then mathematical relationship between the flows of mixture and the throat area, shrinking degree of mixer ( mathematical model ) can be established to meet the aim of the highest power of engine
以滿足發動機最大功率為設計目標,建立起混合氣的流量與混合器的入口角度和喉口面積之間的數學關系,即數學模型。The device structure and physical models of 4h - sic mosfet and mesfet are built and the properties are simulated with the use of medici software. the influence of the temperature and structure parameter on the device ' s properties is summarized indicates that no negative resistance exists in breakdown property and the breakdown voltage is up to 85v and 209v separately. the maximum power density of 4h - sic mesfet is as high as 19. 22w / mm. at the same time, the processes of sic field - effect transistor is studied and the fabrication processes suitable to sic mosfet are developed.
論文分析建立了4h - sicmosfet和mesfet器件的結構模型和物理模型,採用二維器件模擬軟體medici對4h - sicmosfet和mesfet的輸出特性進行了模擬分析,研究了溫度和結構參數對器件特性的影響,表明兩種器件的擊穿特性均沒有負阻現象,擊穿電壓分別達到85v和209v ,由此得到4h - sicmesfet最大功率密度可達到19 . 22w mm ;同時,研究了sic場效應晶體管的製作工藝,初步得到了一套製造sicmosfet器件的製造工藝流程,研製出了4h - sicmosfet器件。The system runs smoothly and presents good static and dynamic performance. also, we get a good tracking result of mppt
實際研製的樣機經實驗測試,能夠控制直流無刷電機準確換相,系統運行穩定,同時最大功率跟蹤也取得了很好的跟蹤效果。First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented
建立了永磁電機和變流器的數學模型,針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制,通過變流器交-直-交的變換,將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電,通過pwm調治能使其輸出功率因數為一,並且該控制系統功率因數為可調,能在特殊情況下同電網交換一定的無功功率,並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬,取得了良好的模擬效果。在風力發電系統中,採用先進的最大功率俘獲演算法,能有效的從風中獲得最大的能量。Analytic results show that : the lock chamber filling and emptying effectiveness is high, the filling time of a chamber in prototype is less by 17. 6 % than that in model, and the maximum discharge and discharge coefficient in prototype are larger by 32 %, 34. 6 %, respectively, against those in model
資料分析結果表明:閘室輸水系統輸水效率高,輸水時間原型較模型縮短17 . 6 % ,最大流量較模型增大32 % ,流量系數較模型增大34 . 6 % 。The focus of our study is concentrated on a two - state model, in which we choose ( m, k ) = ( 2, 2 ) and calculate the average current as a function of the transition width, temperature and transition rates. the results are summarized as follows : for small temperature, as well as for very high temperature the current vanishes
計算結果表明,在溫度很低或很高時,定向運動的幾率流都趨于零;在適當的溫度范圍內,對于某一確定的躍遷速率,總存在一個幾率流的最大值,而且隨著速率的增加相應于最大幾率流的溫度值升高。According to the supply system composed by parallel connection water pump, many kinds of operation proposals in a single pump were put forward to provide the greatest possible flow on both sides of the demarcation point in the scope of the flux changes ; identified the system of pumps, electromotor, speed governor imitate method of characteristics curve of the power device and its rotating speed, efficiency, energy consumption calculation under different condition ; the analytical methods used for the operational plan for comprehensive evaluation of the economic and safety and optimal results
摘要針對由並聯水泵組成的供水系統,提出了在以單泵可能提供最大流量為分界點的兩側流量變化范圍內具有多種運行方案;確定了在不同工況下,該系統中水泵、電機、調速器特性曲線的擬合方法及其各動力裝置中轉速、效率、能耗的計算式;採用解析的方法對各種運行方案進行了經濟性和安全性綜合評價,並給出最優結果。These mechanisms provide for maximum efficiency for high - bandwidth streams, power - management friendly implementations, and poled - style access for variable bit rate and bursty streams
這些機制提供了最大效率的高帶寬數據流、電力管理友善實現以及對可變位速率和脈沖式數據流的輪詢式訪問。The paper proposes a method that combines " mass law " - - acceptable charging current with technology of solar photovoltaic array ' s maximum power point tracking in stand - alone photovoltaic system. it realizes a efficient charging management of vrla storage battery. and fuzzy hierarchical control technology is applied to the depolarization control
提出在獨立光伏系統中採用「馬斯定律」可接受充電電流和太陽能光伏陣列最大功率跟蹤相結合的方法,對系統中vrla蓄電池進行高效充電管理,並採用模糊遞階控制技術來實現去極化控制,實現系統能量最大利用。Moreover, in order to represent the influence of temperature and irradiation to the characteristic of solar array, a physical mathematical model of solar array is established which based on short - circuit current ( isc ), open circuit voltage ( voc ), the voltage of mpp ( vm ), the current of mpp ( im ). the characteristic of solar array in varied temperature and irradiation can be established with the appropriated parameters deduced by the above model
為了能夠反映環境溫度、日照強度對太陽電池陣列的i - v特性的影響,系統建立了基於短路電流( i _ ( sc ) ) 、開路電壓( v _ ( oc ) ) 、最大功率點電壓( v _ m )和最大功率點電流( i _ m )的太陽電池陣列的工程化數學物理模型,該模型可以依據現場測量的數據確定任意照度、溫度條件下的特性參數,預估太陽電池陣列在不同溫度、照度下的特性曲線。分享友人