負荷比 的英文怎麼說

中文拼音 [fùhébǐ]
負荷比 英文
duty ratio
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 荷 : 荷名詞（蓮） lotus
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 負荷 : [電學] load; charge; weight
  1. Also a refined - pulp quality predictive model, with specific energy, specific load as the model inputs, and beating degree, wet weight as the model outputs, is presented. simulation results show that the models can be acted as theoretical bases for the automatic control of high - consistence pulp refining process

    即，建立了以原漿流量、白水流量、盤磨機功率為輸入變量，比能量、比負荷、濃縮機漿位為輸出變量的動態模型，以及基於比能量、比負荷的成漿質量預報模型。
  2. In addition, the hf in the downcomer of ctst plate is 110 ~ 150mm lower than that of fl valve plate. it was showed that making a comparison of two plates, the downcomer of ctst tray can cope with more operation loads with the same size downcomers

    這說明相同大小的降液管， ctst塔板上的降液管可處理的操作負荷比浮閥塔板的要大；即若在相同的操作負荷下，在設計降液管時， ctst塔板的降液管尺寸可比浮閥塔板的小。
  3. 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。
  4. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章：簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法；建立相對濕度表示的大氣比氣體常數模型，利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響；對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  5. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  6. The elongation of a body in tension above its no-load length is directly proportional to the stretching force.

    物體在拉伸狀態下，其伸長量（相對于無負荷時的長度）與拉伸力成正比。
  7. The ratio of the average power loss to the power loss under peak loading

    平均能量衰減與峰值負荷時能量衰減的比值。
  8. 2 ) linking the classical control theory with practice, it tries drawing a sententious and practical conclusion by optimization. correctness is proved by emulation with robust toolbox of matlab. 3 ) in view of the complicacy of the circuits, it optimizes reactive compensation by equivalent area theorem and programs by c. it has been used in practice and gets good benefit

    2 ）結合多年工作經驗和一些經典控制理論對幾種典型負荷網路的補償容量、補償位置進行優化，尋求比較實用、可行的結論，並對其進行基於matlab的模擬，證明其正確性、可行性，使其具有更廣的應用性。
  9. When allowance is made for the separate auxiliary load the consumption can rise to nearly 1 ib / shp hour and this is generally about 20 % better than the overall fuel consumption of a steam plant at cruising speed

    當考慮分開的輔機負荷時，其耗油率幾乎能增加到1磅/軸馬力小時，一般來說比蒸汽裝置的巡航總油耗大約多20 % 。
  10. 1. 5 m in diameter ) were dispersed in n46 engine oil with different concentrations using ultrasonic respectively in order to study their tribological properties. the tribological experiments were carried out by mq - 800 four - ball tribometer and mm - 200 ring - on - block tribometer, in which extreme pressure properties, wear scan diameter, friction coefficient and wear volume loss were measured. the results showed that oil containing mos2 nanoparticles had a better wear resistance, friction - reducing and extreme pressure than the oil containing common mos2

    將上述制備得到的納米二硫化鉬顆粒和普通二硫化鉬粉末（ 1 . 5 m ）以不同濃度分散在n46機械油中，在mq - 800四球摩擦磨損試驗機上考察它們的最大無卡咬負荷（ p _ b值） 、耐磨性能和摩擦系數；並在mm - 200摩擦磨損試驗機上，通過環?塊摩擦副，比較和分析了它們的摩擦學特性。
  11. First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost

    從對系統貢獻角度，採用電壓靈敏度方法（ vs法） 、 pv曲線法、等效無功補償法（ erc ） 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值，電壓靈敏度法和pv曲線法可比較出不同電源跟蹤負荷變化的靈敏度大小，而等效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。
  12. Contrast between this machine and traditional rolling screen : adopt lower driving, the carrying ability is great, running is stable which settle the problem, such as great torsional moment of central drive, startup loading is great with shock of chain driving

    本機與老式滾筒篩相比，因為採用下傳動有承載能力大運轉平穩，特別克服了中心傳動扭矩巨大，起動負荷大，鏈傳動沖擊等缺點。
  13. The basic thought of the csapfba algorithm is : the edge routers perform the state management per flow, and the edge routers differentiate between the marked flows and the non - marked flows, and the edge routers insert the relevant information into the packet header by using dynamic packet state ; the core routers divide the output link bandwidth into two parts in the light of the state information of the packet header by using class - based queueing, and the core routers allocate proportionally the bandwidth to the marked flows according to their service profiles and the current network load, and the core routers allocate the bandwidth to the non - marked flows according to the principle of max - min fairness, and the csapfba algorithm can adaptively dynamically adjust the bandwidth allocation between the marked flows and the non - marked flows

    本文在csfq演算法的基礎上，提出了一種核心無狀態的自適應的成比例公平帶寬分配csapfba （ core - statelessadaptiveproportionalfairbandwidthallocation ）演算法。 csapfba演算法的基本思想是：在邊界路由器完成基於每個流的狀態處理，將所有的流分成標記流和非標記流兩種類型，採用dps技術將有關信息編碼進分組頭；在核心路由器根據分組頭中攜帶的狀態信息採用cbq策略，將輸出鏈路帶寬分成兩部分，對標記流根據當前的網路負荷按照服務規格成比例地分配帶寬，對非標記流按照最大最小公平性原則分配帶寬，並且能自適應地動態調整帶寬分配的比例。
  14. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比，汽車空調的工作環境惡劣，條件差，控制難度要增加很多，主要體現在以下幾個方面：一是車外熱負荷變化大，難以確定控制參數；二是要求空調負荷大，而且要控制空調使其降溫迅速：三，不便於用電力作為動力源，必須用汽車發動機或輔助發動機來帶動壓縮機，當採用汽車發動機作為動力源時，由於汽車的車速變化大，發動機轉速的變化可從600r min到4000r min ，壓縮機轉速與發動機轉速成正比，其轉速變化高達7倍，給空調系統製冷劑流量控制帶來困難。
  15. The analysis indicates that in the absorbing refrigeration cycle using tfe - tegdme working fluid under the same evaporating temperature and condensation temperature, the performance of the simplicity cascade cycle is the best while the heat burden of the generator is the maximum, the performance of the mid - pressure double - effect cascade cycle is the worst while the heat burden of the generator is higher than the basic gax cycle

    分析結果表明，採用以tfe - tegdme為工質吸收式製冷循環，在同樣的蒸發溫度和冷凝溫度下，單純復疊循環性能最為優越，但發生器的熱負荷也最大；中壓雙效循環性能最差，而且發生器的熱負荷要比基本gax循環大，運行的經濟性差。
  16. When cooling load is less than ice - melting ability, optimal control strategy is just ice priority, optimal control saves 24 - 45 % operating cost compared with chiller - priority. when cooling load is more than ice - melting ability but still less than ice - melting ability plus half of chiller cooling ability, optimal control is to keep chiller load to half of chiller cooling ability and tune ice - melting to meet load, optimal control consumes 13 - 20 % more power but saves 9. 2 - 11 % operating cost compared with chiller - priority. when cooling load is more than ice - melting ability plus half of chiller cooling ability, optimal control is just ice - priority again, optimal control is to keep ice - melting to maximum and tune chiller to meet load, optimal control consumes 0 - 13 % more power but saves 0 - 9. 2 % operating cost compared with chiller - priority

    在冷負荷大於融冰供冷最大功率時，又分兩種情況:總冷負荷小於融冰供冷最大功率加一半的單主機滿負荷時，優化控制是保持主機供冷負荷系數為0 . 5 ，通過調節融冰來改變冷負荷，此時與主機優先比較增加能耗13一20 % ，節約運行費達9 . 2一11 % ;在冷負荷大於融冰供冷最大功率加一半的單主機滿負荷時，優化控制就是融冰優先，通過蓄冰槽滿負荷運行，調節製冷主機來調節冷負荷，此時比主機優先控制僅增加能耗o一13 % ，但能節約運行費o一9 . 2 % 。
  17. The weight assessment method, comprehensive index method, and fuzzed mathematics assessment method are applied to these examples. the characters and applications of the three methods are analyzed on a basis of the results of assessment. in the study, assessment software for evaluating materials environmental loads is developed

    本文採用三組評價對象的實例計算，分別應用加權評價法、綜合指數法和模糊評價法對其進行環境負荷評價，比較分析應用不同方法的評價結果，並且據此分析各種評價方法的特點和各自的適用條件和適用范圍。
  18. Compared the heating load ( and energy consumption ) of a same room with floor heating or radiator heating under same operative temperature. revealed the energy consumption of floor heating room could reduce 5 % ~ 10 % to radiator heating, and the heating load could reduce 10 % ~ 15 %. the main season of energy efficiency is due to no apparent high temperature zone in floor heating room, which avoid additional heat loss in outside envelopes, rather than the lower of indoor air temperature

    利用對連續供暖房間溫度場的研究結果，對分別採用上述兩種供暖方式的典型房間的熱負荷和能耗進行了全面分析后發現：低溫地板輻射供暖房間熱負荷比散熱器供暖房間可降低10 15 ，能耗可降低5 10 ；低溫地板輻射供暖房間節能的主要原因並不是由於房間空氣溫度可以降低，而是消除了室內空氣局部高溫區，避免了由此產生的在外圍護上的附加傳熱量。
  19. On the basis mentioned above, another mathematical model for the supercharged diesel was set up. according to this model some results of simulation calculations were given. the characteristics of operation of the diesel in wet compression : including the excess air coefficient, the cylinder temperature at the beginning of compression stroke, the maximum temperature in the cylinder, the cylinder thermal load, the specific fuel consumption, and efficiency of diesel engine were obtained

    在此基礎上，又建立了增壓柴油機濕壓縮的數學模型，對噴水后柴油機的各性能參數，諸如過量空氣系數、氣缸進氣溫度，缸內最高溫度、氣缸熱負荷、比油耗、熱效率等進行了模擬計算，為增壓柴油機進口加濕技術的研究提供了理論依據。
  20. The research structured a prediction model of residential energy demand, prognosticated residential energy consumption by demand types and environmental loading of him province until 2020, compared the energy consumption and environmental loading of 2000 and 2020, analyzed the reason, and offered the base of the energy, the environment corresponding with the socioeconomic development

    摘要研究構築了將來生活用能源消費的預測模型，預測了2020年以前的吉林省生活用不同燃料種類的能源消費和產生的環境負荷，比較了2000年與2020年能源消費和環境負荷，分析了其產生原因，從而，為實現能源、環境和社會經濟的協調發展提供了實踐依據。
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