負荷長度 的英文怎麼說

中文拼音 [zhǎng]
負荷長度 英文
load length
  • : 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...
  • : 荷名詞(蓮) lotus
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 負荷 : [電學] load; charge; weight
  • 長度 : length; longitude; size; extent; footage
  1. These years we have developed strongly acidic macroreticular catalysts based on styrene dvb. catalyst resin d006 for mtbe tame etbe, also as catalyst use for producing tba by isobutene hydration and direct producing gasoline with high octane rating by light gasoline etherification. d008 for sba ipa, also can be used for making methyl ethyl ketone by acetone one - stepping process, tert - butanol by isobutene hydration, etherified gasoline by the etherification of isopentene and isohexene in light gasoline with methyl alcohol, high

    以上,增強了催化活性,從而延了使用壽命,提高了周期產量二低溫活性好,選擇性強,提高了mtbe的純,降低了雜質含量三在同樣裝置中,可增大,提高產量,降低生產成本和費用。
  2. For the long term operation, the growth rate of temperature is higher than that of average temperature of the soil, the system analysis should therefore be implemented from the viewpoint of both energy equilibrium and heat barrier in order to ensure the whole stability and reliability

    期運行中,熱屏障帶的溫速率要高於土壤平均溫的增,建議從平衡和熱屏障兩個角進行分析,以保證地源熱泵系統穩定可靠的運行。
  3. 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,其伸量(相對于無時的)與拉伸力成正比。
  4. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫之差及通風、流速的影響進行了系統的測試,發現充液量與溫差的關系在不變時呈拋物線分佈,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫小於40 ,能滿足期正常工作。
  5. Thus, urban gas load forecasting is an important research. it is a very important research task to forecast city gas load, for one hand, it will affect the planning of city gas pipe network, on the other hand, it is connected to the investment benefits and security of entire natural gas pipelines, and it ’ s meaningful for urban gas optimizing attemperation and gas pipeline optimizing operation

    因此,預知燃氣的大小也就是城市用氣系統的預測是一項非常重要的研究課題,它不僅關繫到城市燃氣管網規劃,還關繫到整個天然氣輸管線的投資效益和可靠性,對將來連接各城市的天然氣局域網路的優化調和城市燃氣管網的優化運行都有十分重要的意義。
  6. The cooling or heating loads of different conditioned zones in one system are highly diversified and variable, or the time of operation under low load is long, and the temperatures in conditioned zones need to be controlled individually

    同一個空氣調節風系統中,各空調區的冷?熱差異和變化大?低運行時間較,且需要分別控制各空調區溫
  7. Because of flexible object of wire rope, it is inevitable to produce elastic spread under the load, the value of critical parameter - elastic modulus relates to the precision and safety in designing of machinery

    鋼絲繩屬撓性體,時不可避免出現彈性伸,其關鍵參數彈性模量的取值問題關繫到機械設計的精與安全性。
  8. It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends

    結果表明: e10混合燃料與柴油的著火滯燃期隨和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比,略有改善; e30混合燃料的燃燒特性發生明顯的變化,最高爆發壓力下降,最大壓力升高率減小,最大燃燒放熱率增大,最高燃燒溫下降,滯燃期延
  9. The electric heat components and heated components in resistor furnace were regarded as research object, the simplified model was provided on the basis of simplification of studied objects, the thermotechnical theoretical calculation and analysis for it were done by utilizing radiation heat transfer theory, some main factors influencing the temperature of electric heat component were obtained on condition that the hot load for the heated component be constant, thermotechnical engineering scheme by which the service life for resistor component could be prolonged, was raised

    摘要以電阻爐中的電熱元件和被加熱元件為研究對象,經過簡化提出簡化模型,運用輻射換熱理論對其進行了熱工方面的理論計算和分析,在被加熱元件熱一定的情況下,得出了影響電熱元件溫的幾大要點,提出了延電熱元件使用壽命的熱工技術方案。
  10. The numerical results indicate that the deformation within the solid inner core is very small. however, in the fluid outer core, the changes of the displacement with relatively low spherical harmonic degree ( n < 10 ) is very complicated via the radius, due to the resonance near the eigenfrequenies of the core long - period oscillations. while the spherical harmonic degree of the loading is larger than 10, the deformation and the gravitational perturbation in the core are very small, and the earth ' s deformation response is dominantly represented as the radial displacement in the elastic mantle

    研究了地球在日月引潮力和表面作用下的形變特徵,數值計算結果表明,在固體內核中的形變很小,由於在周期核模本徵頻率附近的共振,液核中低階( n 10 )位移隨半徑的變化非常復雜,當階數超過10時,地核中的形變和擾動位都很小,地球的響應主要表現為彈性地幔中的徑向位移,且隨深增加急劇減弱,地表love數與信號頻率的依賴關系很弱,給出了體潮love數計算的一種有效的近似處理方案。
  11. The artificial neural net ( ann ) way is universal regard as one of the most effective ways of stlf. in this paper, some research is developed for stlf using ann ways in several parts : the first part is about the arithmetic of ann based on bp model, namely the advanced of traditional bp arithmetic, one alterable step and scale bp arithmetic based on comparability of model and probability of accepting bp arithmetic is used to enhances a lot the convergence rate of learning process of bp network, but also avoid the stagnation problem to some extent. it indicates that the ann ' s efficiency and precision by the way can be ameliorated by the simulation of real data

    神經網路方法在短期預測中已經被公認為較有效的方法,本文針對神經網路用於電力系統短期預測的幾個方面展開研究工作:第一部分研究一般用於預測的神經網路bp模型的演算法,即對傳統的bp演算法的改進,將一種基於模式逼近和接受概率的變步快速bp演算法應用到短期預測,模擬結果表明該方法有效的改善了bp演算法收斂速慢以及容易陷入局部最小點的缺點,從而提高了神經網路用於預測的效率和精
  12. Textile conveyor belts - full thickness tensile testing - part 1 : determination of tensile strength, elongation at break and elongation at the reference load

    紡織物傳送帶.全厚抗拉試驗.第1部分:抗拉強斷裂處伸率和基準下伸率的測定
  13. In addition, according to difference between the top - level materials and the low - level materials, the model of leveling the mat erial flow is set up separately. furthermore, the model of leveling the material flow with constrain of resource supplying limit. in the model of optimization on the workload, the mutual effect of line balancing and scheduling is analyzed by an instance ; the factors of line balancing, scheduling, and system parameters, such as workstation length, the launch rate are taken into considered

    在基於的多目標協同優化模型中,通過實例分析了平衡設計與排產設計對系統目標的交互影響,綜合了流水線的平衡設計和排產設計與工作站、產品投放速率等系統參數對系統的影響來優化混合流水生產系統設計,建立了在2種工作站類型與2種假設情形構成的4種組合下的優化模型,給出了一個優化實例。
  14. As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir

    本文調查了千島湖流域的自然資源和農業生產情況,研究了典型坡地降雨徑流中的氮、磷污染物的輸出規律,利用annagnps模型估算流域農業非點源污染物輸入,並在千島湖內設點采樣,對水質理化指標和浮游植物群落進行系統的研究,得出以下結論: 1989 2001年間的水環境常規監測資料統計分析表明,有毒物質和重金屬濃期在監測下限內, no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年平均濃均符合類標準,但湖泊水庫特定項目tn和tp濃分別為超類和類,呈嚴重超標狀況,湖區主要污染因子是將導致富營養化的物質tn和tp 。
  15. In this paper, the mechanism and practical effect of existing coordinated control schemes are analyzed in detail, the advantage and drawback of the different coordinated control methods in practice are indicated clearly. this paper describes a fact that it is difficult to obtain rapid load response and stable main parameters at the same time by using the recent methods, underlines that heat release is the vital parameter that should be carefully controlled

    本篇在吸取了目前各種協調控制系統的優點的基礎上,提出了改進后的協調控制方案,主旨為以控制鍋爐的熱量釋放信號為核心,採用具有內在穩定特性的控制方案,充分加快機組的響應速,在機組所帶已經接近當時的極限,及時限制輸出功率的增,達到穩定機組的目的。
  16. Choose the cable type according to power supply condition and power net load, decide if use parallel connection or series connection type cables, single phase or three phase type cables

    根據供電條件、電網及電伴熱帶使用等因素來選擇電伴熱帶的型式、電壓等級,以便確定是用並聯式還是串聯式?
  17. To expedite the exploitation of hydroelectric resources of huanghe upstream meets the request of western development, and is significant to the strategically overall arrangement of realizing the optimization deployment of resource and transporting clean energy to the east but, for a long time, in the electric market, the supply - and - demand analysis and the science - oriented, reliable forecast of electric network load is absent. in the developing gradation, the support of theory about hydroelectric plants " developing gradation is absent. in the pattern of management and development, a theoretical system of developing, management is absent, such as the relation of the synthetically utilization of hydroelectric development and water resource and environment should be brought into the unified planning and managing system of the valley

    但是期以來,在電力市場方面,缺乏科學、可靠的電網需求預測及市場供需分析;在開發順序方面,缺乏水電站開發順序理論方法依據的支持,影響了開發的層次和速;在開發管理模式方面,缺乏一套行之有效的開發、經營及管理的理論體系,比如水電開發與水資源綜合利用及與生態環境的關系等,都應納入流域統一規劃、統一管理的水電開發利用管理體系中。
  18. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間預測的研究:綜合利用灰色理論及遺傳規劃( geneticprogramming , gp )的優點,提出了一種根據饋線的歷史峰值進行外推的組合slf法:首先採用耦合回歸法來修正歷史,消除由於轉移引起的誤差;然後根據實際饋線路徑和配網gis圖形分層,運用圖層疊加分析得到饋線的實際供電范圍;接著採用灰色關聯聚類方法對饋線曲線進行聚類分析;最後採用gp來對灰色聚類結果進行符號回歸,分別得到每一類曲線的最佳擬合曲線形式。
  19. The results of study show that the transmitting speed of flame is slower and the combustion duration is longer than gasoline. the combustion status of lpg is improved, but the problem of long combustion duration also exists when speed and load are increased. it is useful to adjust ignition timing, but nox emission increase

    通過研究認識到: lpg燃燒時火焰傳播速比汽油慢,燃燒持續期比汽油;隨著轉速和的增大, lpg燃燒狀況得到改善,但仍出現后燃期,熱量利用不充分等問題;點火提前角的調整有利於lpg的燃燒,但使nox排放升高。
  20. The original design was intermediate vapor 42t / h, but the actual output is 30 - 35t / h, at the same time the temperature and pressure of the vapor are unstable, it affects the economic efficiency, the reason were the collecting dust on the heat area and serious corrision, they led to the decrease of the boiler load, and need stop to washing the dust, the article deals with the reform of the exhaust gas boiler, at the basic of the design condition, after thermo calculation, flute gas, resistence calculationand strenth calculation, the structure of the heat surface had been rearranged, then the proof calculation was done

    原設計產中壓蒸汽42噸時,但投運后只產30 - 35噸時,並且蒸汽溫和壓力均不穩定,影響到經濟效益。其原因是受熱面積灰和腐蝕嚴重,影響傳熱使鍋爐下降,不能時間運行,需停產清理積灰。本論文針對此余熱鍋爐的技術改造,在給定設計條件基礎上,通過熱力計算,煙氣阻力計算和強計算,對鍋爐受熱面結構重新布置,然後再作校核計算。
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