流量極限 的英文怎麼說

中文拼音 [liúliángxiàn]
流量極限 英文
flow limit
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 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
  • 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. 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,則對熱轉移越小,反之在該風速以上,上部熱源強度越大,則對熱移越大。
  2. 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的汛水位動態控制的風險率」 。
  3. 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?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?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?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?方程模型,並給出了具有時滯金融網路的利率方程具有周期解的充要條件。
  4. 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,認為在熱小於攜帶時,影響工質傳熱能力的是cpu重力熱管的充液和其乾涸,此次所實驗的三種工質,最佳充液應當在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。
  5. 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、失諧和相互作用區長度,可以避免器件工作在環振蕩態上。
  6. A margin of the viscous quantum hydrodynamic model

    粘性體動力學模型的一個
  7. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上,針對穩態密度波理論提出了基於密度波理論的油水兩相理論模型,該模型以密度波傳播理論作為基礎,通過上下游傳感器信號相關獲得密度波傳播速度,利用密度波傳播速度與總以及持相率的理論關系結合漂移模型來求解總和含相率,實現油水兩相的測,在理論分析的基礎上,在實驗資料有的條件下,對基於密度波理論的油水兩相理論模型作了的簡化,提出了本文油水兩相理論方法應用在測均勻油水兩相中的實用線性模型。
  8. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容的主要因素主要是抑制柱的電效率和離子交換膜的密度,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電效率,在通常情況下電效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高的目的從而提高抑制柱的抑制容,因此提出了多級抑制的概念並據此研製了共電式高容電化學抑制柱,該抑制柱最高可將速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。
  9. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式;研究得到了減反射膜對太陽電池短路電比的;建立了太陽電池光譜響應、柵線電接觸電阻和少子壽命等測試系統。
  10. This paper is consisted of two major parts : one deals with the general working performance of the fmghp by setting up mathematic model and developing computer procedure, getting the datum related to the capillary flow and heat transfer, analysing the working characteristics of fmghp in different working temperature, heat flux and inclination angle etc. in this part, the prediction of capillary and boiling limit are also included. the other major part studies the flow and heat transfer characteristics in the micro - film region formed by the meniscus attached on the metalic fin in the micro rectangular groove. investigations on the influence of width of groove and other factors on heat transfer in this region have been made. the importance of this micro - region in the heat transfer of the entire heat pipe has been unveiled. the heat transfer characteristics gotten by this research could be used in design and application and also optimization of this kind of fmghp

    本文在大查閱現有國內外文獻的基礎上,總結並綜合前人有關微槽平板熱管理論研究方面的成果,對單面刻有槽道的微槽平板熱管進行了較為深入和細致的研究。本文的研究共分兩大部分,其中第一部分考察了該型熱管的整體工作表現,通過建立數學模型和開發相應的計算程序,得到了熱管內部毛細動和傳熱的數據,分析了熱管在不同工作傾角、不同加熱熱以及不同工作溫度等情況下工作特性的變化規律,考察了汽液界面上的剪切作用對熱管傳熱的影響,並且進一步在理論上預測了該型熱管的毛細和沸騰
  11. How many pumps were turned on should be based on the dynamic design according to project target. and how many pumps should be in operation in standard shut off procedure. it was approved that although the theoretical boundary of decline of groundwater level is 10m, the actual boundary is only about 6m

    提出了一些與真空預壓加固地基設計相關的概念和處理方法,如定義真空預壓加固區場地形狀系數,提出按加固土體體積來確定射泵數、根據工程需要動態設計開泵、增加停泵標準中對開泵的規定等設計思想等,論證了真空預壓加固地基時地下水位下降的理論深度為10m ,而實際深度約為6m 。
  12. The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation

    摘要用鏡象電法和分離變法計算了線電與無長磁介質圓柱系統的磁矢勢,指出線電與無大磁介質分界平面、線電與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由線電與磁介質圓柱系統的磁矢勢的情形給出。
  13. According to the new criterion for classification of oil and gas resources / reserves ( gb / t19492 - 2004 ) issued in 2004, this paper reviews the studied methods at home and abroad for the purpose of establishment of new series of recoverable reserves such as technically recoverable reserves, economic recoverable reserves, sub - economic recoverable reserves and remaining economic recoverable reserves of oil - gas fields

    摘要按照2004年頒布的新的《石油天然氣資源儲分類》 ( gb - t19492 - 2004 )標準,為了建立和形成油氣田技術可采儲、經濟可采儲、次經濟可采儲和剩餘經濟可采儲等新的可采儲系列,在總結國內外研究方法的基礎上,結合油田的地質開發特點,根據我國現行的財稅制度,以現金法為主要方法,進一步研究提出了經濟法、井網密度法、邊際成本法、類比法等經濟可采儲計算方法。
  14. In the aspects of choice that make the price method, because of canning compare the company analysis method with can compare the bargain analysis method must have the prosperous capital market, more case example, lack domestic current the bargain of the state - owned property to say, very much the enough case example props up. and buy the market multiple analysis method analyze first public of and buy the market bargain multiple, and usually is trading the scale to ascend to take into the restrict with the industry category, for example, can be provided as analytic bargain a bargain for being limited by this front in six months, target company in the electric power profession, the scale limit in 50, 000, 000 dollars including, this kind of method and ca n ' t provide the help of high times. but the dividends usuallies convert into cash to analyze the method to get the analysis of the bonus from the target company to the value that get the target company. the above method exsits current state - owned property make price very much the localization of the different degree, the past a text tries to use value analysis method as to lends support to the method, the cash discharge converts into cash to analyze method ( the method of dcf ) as the main method, the certain state - owned property procures the price. among them, use the cash discharge converts into cash to analyze the method makes sure the income is after procuring, value analysis the method gets of result the conduct and actions manages with state - owned property the section to make the basis of the price for the state - owned property, two kinds of methods is mutually combinative, make sure the state - owned property procure the price

    以上方法對于目前國有資產的作價都存在不同程度的局,故本文嘗試用賬面價值分析法為輔助方法,現金折現分析法( dcf法)為主要方法,確定國有資產收購價格。其中,用現金折現分析法確定收購之後的收益,賬面價值分析法得到的結果作為與國有資產管理部門就國有資產作價的依據,兩種方法相互結合,來確定國有資產收購價格。同時論文對國有企業收購整合的模式作了積的探索,地方電力公司投資新的水利發電項目往往同時有一部份是排灌、防洪等非經營性的,或稱為公益性的無收益項目,論文對新建項目的經營性資產與非經營性資產合理比例作了深入的探討,重慶大學碩士學位論文並建立了分析模型,對于新項目的投入資金結構進行了較為深入的分析,並建立了相應的項目融資模型。
  15. Referring to the formation process of qd, it is accepted that there formed a groove around the dot during the formation process due to mass - transfer. when the dots were capped by a compound with larger band gap, there will appear a potential maximum due to larger confinement. the maximum will prevent the carriers from entering the dot, and the origin of the kink point is resulted from the prevention

    根據s - k模式子點的形成過程,我們認為在點的形成過程中由於質遷移會在點的周圍形成一個凹槽,加上覆蓋層后,由於大的域效應該處將形成一個勢能大值,該勢能大值將阻礙載子從勢壘層向子點的注入,該過程是導致上述拐點出現的原因。
  16. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內,在不同原料氣組成(即不同的氫氣分壓)條件下,對所制備的鋯表面改性膜進行了滲氫性能實驗,考核了膜對氫的唯一選擇滲透性,結果表明:在四質譜的檢測下內,只有氫氣存在,而無雜質氣體通過;在593k 773k溫度范圍內,鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫和滲氫系數;其滲氫隨著膜兩側氫分壓平方根摘要差的增大而增大,並且呈線性關系;壓力對膜的滲氫系數幾乎無影響;膜的滲氫系數隨著溫度的升高而下降,井巨呈指數關系:根據對實驗數據所作滲氫系數與溫度關系曲線的擬合,在溫度593k 773k范圍內,壓差p 、 0二0
  17. The core - mantle boundary is the closest researchers can get to the much more intense and complicated magnetic field that exists within the core, where magnetic fluctuations actually originate ; strong electric currents in the core prevent direct measurements of the magnetic field there

    地核內具有更為劇烈、復雜的磁場,而且也是磁場變動的真正發源處,但是研究人員可推算的是在地核?地函交界處;因為地核內的電強,因此無法直接測內部的磁場。
  18. By theoretical analysis and experimental investigation to the exasperate position of the heat transfer in the umbrella - plate falling film evaporator, the exasperate experimental formula of the heat transfer was obtained. with the same reynolds, the high - point heat flux density of umbrella - plate evaporator is higher than vertical - plate evaporator could be observed from above formula, which maked out that with little reynolds liquid film was not easy to break

    在實驗條件下得出了傘板式降膜蒸發器小下液膜破裂的實驗關聯式,此關聯式表明熱通隨臨界雷諾數增大而增大,在相同的臨界雷諾數下,傘板蒸發器的熱通大於直板形蒸發器的熱通
  19. Abstract : through the theoretical liquid dynamics complex study to the bridge pier and abutment circling flow, this paper related with bridge abutment maximum clear water equilibrium scouring experiment ? s analyses has made out the bridge abutment ? s velocity circulation, maximum flow capacity per unit width, and the maximum part scouring depth counting method

    文摘:對不可壓縮理想體橋臺平面繞復勢研究,確定橋臺繞速環和橋臺,並結合清水平衡沖刷實驗進行橋臺最大局部沖刷深度的理論探討
  20. Based on the qualitative theoy of differential polynomial system, algorithm to calculate the focal values, the construction of small amplitude limit cycles, hirsch ' s monotone theory and the center manifold theorem etc, we apply mrealroot algorithm to many problems, such as to obtain the real solutions of polynomial systems, to confirm the number of limit cycles in differential system and to construct the limit cycles

    結合平面微分多項式系統的定性理論,計算焦點的演算法,小擾動環的構造, hirsch的單調性理論和中心形定理等, mrealroot演算法在大具體問題,包括實根分佈、小擾動環個數以及高維系統環構造等方面都有廣泛的應用
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