flow rate or rate of flow 中文意思是什麼

flow rate or rate of flow 解釋
比移值,移動率,比移
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  • or : or2,〈古、詩〉在…之前,比…更早〈普通用or ever, or e'er〉。n. 【徽章】黑金色,黑色。
  • of : OF =Old French 古法語。
  1. For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks

    對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫度、導溫系數、埋地換熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比,都對埋地換熱器的傳熱過程產生直接影響,可以推斷,對于該類型巖土層的地源熱泵系統,採用間歇運行將是有利的。
  2. The proposals of bigger temperature difference with lower water flow rate and variable primary water flow rate were introduced to reduce the operation cost or primary cost of chilled water system

    摘要詳細分析了大溫差小流量系統方案和一次泵變流量系統方案在空調水系統節能方面的異同。
  3. The results indicate that : the high positioned air inflow do good to heat transfer in rotator disk ; different size of radial outflow have small effects on flow and heat transfer ; the heat transfer near rotating disk increases as rotating reynold number increases or non - dimensional mass flow rate increases

    結果表明,高位軸向進氣對轉盤換熱有利;不同的徑向出口大小對盤腔內的流動換熱影響不大;隨旋轉雷諾數和無量綱質量流量增加,轉盤盤面的換熱效果增強。
  4. A th - 1025 thoron source made in pylon company of canada was adopted. thoron gas is mixed with circulation gas before they are input into the thoron accumulation box. the thoron level in the thoron accumulation box can be adjusted by changing the gas flow rate through the thoron source, or adding different volume of delay boxes in source input circuit, and me

    簡易(氣土)室採用加拿大pylon公司生產的th - 1025型流氣式固體(氣土)源, (氣土)進入積累箱之前先與循環氣流混合,積累箱中的(氣土)濃度可以通過改變流經(氣土)源的氣流流率或在充源迴路加不同體積的延遲瓶加以調節。
  5. The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation

    ( 3 )基於最小能耗率原理,以水流能耗率作為目標函數,以水流連續方程、水流運動方程及懸移質挾沙力公式或推移質輸沙率公式作為約束條件,通過對目標函數求條件極值,分別推導出以懸移質造床為主的顯式河相關系式和以推移質造床為主的顯式河相關系式。
  6. 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。
  7. The components, microstructure, luminousness, thickness and surface topography of the films were analysised via xrd, uv ? vis, xps, ellipsometric examination and stm. the photocatalytic properties of these fims are characterized by the decomposition rate of methylene blue or rhodamine b. the effect of sputtering power, temperature, o2 mass flow, bias, w - doping and sputtering time on photocatalytic properties are discussed

    採用x射線衍射儀、紫外-可見光分光光度計、 x光電子能譜儀、薄膜厚度測試儀及掃描探針顯微鏡等測試手段,研究分析了薄膜的組分、結構、透光率、膜厚和表面形貌等。
  8. The dynamic adjustment of an alluvial river has a tendency that the entropy production or the rate of energy dissipation of flow is minimum rather than the entropy is maximum when a river is in a relative equilibrium condition

    當河流處于相對平衡狀態時,水流的熵產生或能耗率為最小值。最小熵產生原理或最小能耗率原理保證了河流在相對平衡狀態的穩定性。
  9. The measurement of oil / water two - phase flow is primarily accomplished by the combination of total flow rate and holdup measurement, and at present, the rotator flowmeter is used to measure the total flow rate. since the rotator flowmeter has movable parts, which makes its responsibility behave nonlinearly under poor environment of me under hole whose fluids have very complex and changeful characteristics and affects the measurement precision. what ' s more, the widely used centralized measurement instrumentation meets problems in oil wells characterized with high production or high water cuts

    通常油水兩相流測量主要是通過總流量和持率的測量組合來完成的,目前在總流量的測量中主要使用的是渦輪流量計,由於渦輪流量計具有可動部件使其在流體特性復雜多變的惡劣井條件下的響應呈非線性變化規律,影響測量精度,此外,普遍採用的集流型測試儀器在高產井及含水率高的油井中使用也遇到困難,為此,一種新型的適合非集流型點測的測試方法和測試儀器亟待發展和推廣。
  10. Increasing suction rate or flow reynolds number can increase pressure coefficients, but the existence of ribs lead to decrease of pressure coefficients. the higher the ribs, the lower the pressure coefficients

    出流比和雷諾數的增大都有使壓力系數增大的趨勢,而肋則使壓力系數降低,肋高增大,壓力系數降低的幅度越大。
  11. The mainly objective includes two parts : one is to develop the mathematical m odel t o study t he flow m echanism o f 1 iquid i n t he b ed of tbr, and the other is to study the technology and device to distribute the liquid uniformly. in the first part, some theoretical models were established to simulate the distribution of flow rate of liquid, such as discrete model, differential calculus model and stochastic model. but these models are difficult to calculate or ca n ' t lead to good results

    在理論模型方面,前人提出了離散模型、微分模型和隨機模型等來模擬液體的徑向和軸向流率分佈,但仍然存在許多問題,往往計算工作量大且常偏離實際情況,本文作者在導師的指導下,參照前人的研究成果,在滴流床的流率分佈中採用了狀態離散、時間離散的markov過程描述了滴流床的流率分佈,結果與實驗值吻合較好。
  12. The paper introduces acquired air rate of flow in admission pipes and fluidity in cylinder on single cylinder or multi cylinder engines with hot - wire anemometer, and demarcation and adjustment method of measure values are provided

    摘要本文介紹了利用熱線風速儀測量單缸與多缸內燃機進氣管內流速、氣缸內氣體流動以及標定與修正的方法。
  13. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  14. A routine or storage used to compensate for a difference in rate of flow of data, or time of occurrence of events, when transferring data from one device to another

    當數據從一個設備傳送到另一個設備時,用於補償數據流速率差或事件發生時間差的一種例行程序或存儲器。
  15. The experimental results indicate that when the air flow rate is determined, the key problem for energy saving is how to keep the indoor thermal comfort at a suitable level and reduce the difference between the internal and external temperature of the room. a formula is gained for calculating the critical values of air exchange rate. when ventilating rate is greater than the value, radiating heating is the better way for energy saving, or else, convection method in heating is more suitable

    實測還指出,當通風量一定時,如何保證人體熱舒適度不變而減少室內外氣溫差將成為大通風量房間節約採暖能耗的關鍵,本文結合圍護結構傳熱機理,在對三種方式的能耗狀況進行理論分析的基礎上,提出了換氣次數的節能臨界值,若換氣次數高於此值,則輻射供暖是較好的選擇,否則,散熱器供暖是較好的方法。
  16. The optimum design mathematical models of both kind channels are developed in accordance with the theory of minimum rate of energy dissipation. the rate of energy dissipation of flow is used as the objective function, and the condition of both non - eroding and non - silting, or the condition of equilibrium of eroding and silting is the constraint

    以水流能耗率作為穩定渠道設計的目標函數,分別以渠道不沖不淤平衡和沖淤平衡作為約束條件,建立起穩定渠道優化設計數學模型,求解渠道底寬、水深、比降的優化值及相應流速。
  17. Air distribution and air diffusion. aerodynamic testing and rating of constant and variable flow rate single or dual duct boxes and single duct units

    空氣的分配和擴散.恆定和可變流量單管或雙管箱和單管裝置的空氣動力學試驗及評價額定值
  18. When making estimate of the cash flow after the year of the budget or forecast, the growth rates adopted shall not, unless the enterprise can prove that it is reasonable to adopt higher growth rates, exceed the long - term average growth rate of the products, or the market, or the industrial field which the enterprise belongs to, or the country or region where the enterprise is located, or the long - term average growth rate of the market where the asset is situated

    在對預算或者預測期之後年份的現金流量進行預計時,所使用的增長率除了企業能夠證明更高的增長率是合理的之外,不應當超過企業經營的產品、市場、所處的行業或者所在國家或者地區的長期平均增長率,或者該資產所處市場的長期平均增長率。
  19. The basic idea is to sequentially change the direction or relative flow rate of the two incoming rinsing water streams so that the flow field induced dead zone, formed during the first rinsing period, can be most effectively rinsed

    主要想法乃在於分段改變兩入漕洗滌水流之方向或相對水量,以便將于首段洗滌時段中因流場特性所形成的停滯區,以最有效的方式洗除。
  20. The rate of flow of fluid, particles, or energy through a given surface

    流動率流體、微粒或能量通過一設定的表面時流動的速率
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