極限流 的英文怎麼說

中文拼音 [xiànliú]
極限流 英文
limiting flow
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 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...
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. The maximum density is governed by the allowable limit of fluidity for hydraulic transport.

    最大密度是由水力輸送所容許的控制的。
  2. At the same time, i discover that the number of the return air inlet has a little influecing and it can be neglected. when there is hot resource at upperside of the room, the hot jet and supply air jet together affecting. at the same lower part heat intensity, a utmost wind speed exist, the supply air speed lower, the more heat intensity on the upside, the less convecting transfer heat, whereas

    對于上部有熱源的條件下,則其對熱轉移量的變化關系是由熱射與送風冷射共同作用影響的,在下部熱源強度相同的條件下,存在一風速,在該風速以下,上部熱源強度越大,則對熱轉移量越小,反之在該風速以上,上部熱源強度越大,則對熱移量越大。
  3. Ventilation : positive downdraft exhaust ventilation should be provided to maintain vapor concentration below tlv

    通風:為了使氣體聚集程度維持在閥值之下,應提供通暢的向下棋排氣通風設施。
  4. The research studies affect of the hydraulic characteristic of storage equipment to water quality and put forward hygienical limit hrt to storage equipment by mathematics model

    研究蓄水裝置水力特性對水質的影響,應用數學模型對蓄水裝置提出了衛生學極限流動時間和停留時間。
  5. The outside of this chip adopts boost structure to drive up to seven white leds with the input voltage ranging from 3v to 5v. series connection of the leds provides identical led current resulting in uniform brightness

    電路的電源輸入在3v 5v變化,採用boost電路結構升壓,在情況下最多可驅動七個白光led ,由於led串聯,因此各led電完全匹配,亮度一至。
  6. Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level

    本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期制水位動態控制研究的必要性;介紹了傳統汛水位設計、汛水位靜態控制、模糊汛水位過程線存在的問題及其初步改進方法;分析汛期制水位動態控制的方法及關鍵問題;進一步闡述了水庫風險率的定義;根據風險率定義,詳細敘述了不同風險指標時、不同汛期制水位下起調,水庫所能承受的風險率計算方法。然後,基於風險率計算方法,以白石水庫為背景,研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄量的汛水位動態控制的風險率」 。
  7. Lightning strike protection extensive and convenient

    具有反向性保護及保護
  8. Reverse polarity and limit protection lightning strike protection

    具有反向性保護及保護
  9. Accuracy limit factor of a protective current transformer

    保護用電互感器的精確度因數
  10. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮程序,利用matlab作為模擬工具,模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應,對含有風電場的電力系統穩定性研究及風電場穿透功率的研究,提供了可靠的理論根據,有重要的現實意義。
  11. In addition, it is shown that the scaling of output power is proportional to i ~ ( 2 ), when the current is less than the space charge - limit

    還研究了電對輸出功率的影響,在電達到空間電荷以前,微波輸出功率和電的平方成正比。
  12. Relaxation limit of a unipolar isentropic hydrodynamic model for semiconductors

    一類單等熵體動力學半導體模型的鬆弛
  13. Let / be a diffeomorphism on a riemannian manifold. in this paper, we study the limit shadowing property of /

    設f是riemann形上的一個微分同胚,本文研究了f的跟蹤性。
  14. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?通量微分方程模型,證明了各結點利率加權和為常數即金融市場利率均衡原理,以及各結點利率為整個網路平均利率;其次在各結點基本利率不相同的情況下,建立了非齊次利率?通量微分方程模型,證明了金融網路各結點利率加權和仍是一個常數,並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差;此外,還研究了開放金融網路利率?通量方程模型,考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律,用lyapunov穩定性理論證明了模型均衡解的穩定性;最後,還研究了具有時滯的金融網路利率?通量方程模型,並給出了具有時滯金融網路的利率通量方程具有周期解的充要條件。
  15. The flow characteristics, distributions of current density and chemical components, and the performance of these two different designs are calculated and compared. the flow and mass transport characteristics are analyzed in detail, which indicate that strong forced convection is produced in the interdigitated flow field, which consist of dead - end gas channel that force the gases through the porous electrodes. results of comparison show that forced convection induced by the interdigitated flow field in the diffusion layer effectively enhances mass transport of reactants and products, thus leading to a higher cell performance and the limiting current density

    在傳統道設計的pemfc中,反應物從道到催化層的供應和生成物從催化層到道的排出主要是以擴散為主,而在交叉梳狀道設計中,以動帶動的對傳遞則占據了主導地位,而且這種以對為主的傳遞機理大大提高了反應物和產物傳遞速率,從而有效地改善了電池的密度和化性能等特性。
  16. With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon

    本文通過實驗研究和理論分析,認為在熱量小於攜帶時,影響工質傳熱能力的是cpu重力熱管的充液量和其乾涸,此次所實驗的三種工質,最佳充液量應當在8g ~ 14g ;傳輸因素主要決定普通熱管的毛細,而不是重力熱管傳熱能力的決定因素;三種工質中的最佳工質是丙酮;小風速時風速的變化對cpu重力熱管的傳熱有明顯的作用,但在風速大於1m / s以後,風速增加對于cpu重力熱管的傳熱能力的增加效果減緩。
  17. The limit cycle oscillation is intermittent, so in the soft nonlinear regime the limit cycle oscillation can be avoided by slightly adjusting the current. detuning and length of the interaction region

    由於環振蕩是間斷出現的,所以在軟非線性區域,適當的調節電、失諧量和相互作用區長度,可以避免器件工作在環振蕩態上。
  18. The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum

    隨著電的增大,輻射場經歷由穩定飽和到環型的周期振蕩,並最終過渡到非周期性混沌振蕩的演化過程,按其狀態可分為「軟」和「硬」兩種非線性區域: ( 1 )在「軟」非線性區域,場的環振蕩態和穩定飽和態是交替出現的,其特徵是典型的倍周期分岔,輸出功率譜是分立的。
  19. Usually, hpm devices working in the high current and large field amplitude state, after the field reaches saturation, the nonlinear effects will become extremely strong so that the intrinsic nonlinear phenomena ( for example limit cycle oscillation and chaotic behavior ) of the system occur. these nonlinear behaviors directly influence the output characteristic of the devices

    在通常情況下,高功率微波源器件都工作在大電和強場工作狀態,尤其在場達到飽和以後,系統的非線性效應將變得非常明顯,非線性系統所特有的一些現象(如,環型振蕩和混沌行為)將出現,這些非線性現象直接影響器件的各種輸出特性。
  20. Firstly, some basic properties of the limit shadowing are given ; secondly, we give the characterization of both lin - ear automorphisms and linear flows on r ~ ( n ) with the limit shadowing property ; thirdly, as applications we prove that the hyperbolic endomorphisms on t ~ ( n ) have the limit shadowing properties, smale " horseshoes " have the same prop - erties on their invariant sets

    首先,給出了跟蹤性的一些基本性質;其次,得到了n維歐氏空間上線性自同構及線性具有跟蹤性的特徵;最後,作為應用證明了雙曲環面自同態以及smale 「馬蹄」在其不變集上具有跟蹤性。
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