飽和流速率 的英文怎麼說

中文拼音 [bǎohéliúsùlǜ]
飽和流速率 英文
saturated flow speed
  • 飽 : Ⅰ形容詞1 （吃足） have eaten one s fill; be full 2 （充實; 飽滿） full; plump Ⅱ副詞（充足; 充分）...
  • 和 : 和動詞（在粉狀物中加液體攪拌或揉弄使有黏性） mix （powder） with water, etc. : 和點兒灰泥 prepare some plaster
  • 流 : 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 飽和 : （在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度） saturation; saturated
  • 速率 : speed; rate; tempo
  1. Changes of the longitudinal and transversal wave velocities in different directions and the rock velocity anisotropy as a function of confining pressure have been studied under laboratory ultrasonic frequency for shale and sandstone with marked foliation, which had been saturated by the fluids with different viscosity kerosene and vacuum pump oil and salinity distilled water, 50000

    利用不同黏度煤油和真空泵油不同礦化度蒸餾水50mg l和150mg l的nacl溶液的流體對頁巖和具有明顯層理的砂巖進行飽和，在實驗室超聲頻率下研究樣品不同方向縱橫波速度以及各向異性參數
  2. As the only one among nearly 200 polytypes of different crystalline sic, which has a cubic crystalline structure, p - sic is an excellent candidate for fabrication of high power devices because of its high values of saturated electron drift velocity and electron mobility in comparison with the other sic polytypes

    碳化硅是碳化硅近200種不同結晶形態中唯一的純立方結構晶體，載流子遷移率高，電子飽和漂移速度大，更適合於製造電子器件特別是電力電子器件之用。
  3. Even if the fault spread from external fault zone to internal fault zone, the differential protection can avoid misoperation. main criterion of protection is composite - percentage current differential algorithm according to every sampled value, which can accelerate the protection ' s trip, reduce large amounts of calculation and have strong stability to ta saturation

    本文採用基於采樣值的比率制動式電流差動保護演算法作為保護的主判據，可以明顯提高保護動作速度和減少計算量；具有較強的抗ta飽和能力，在區內故障時無制動，區外故障時有極強的制動特性。
  4. Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming

    模擬的主要內容是在各種過程耦合作用下，以下描述構造成礦體系的主要變量的時空演化：與成礦流體的形成和性質有關的變量，如地層中礦物（包括成礦物質）的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓力、離子強度等；與構造變形和流體運移有關的各變量，如應力與變形速率、巖石孔隙度、構造（斷裂）滲透率等；與沉澱成礦有關的變量，如礦物（金屬礦物和脈石礦物）的成核速率、各礦物的沉澱量等；上述各有關變量間的時空耦合關系，如斷裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。
  5. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  6. Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse

    計算結果表明，直徑為100 m的微氣泡能減小近壁面連續相的速度梯度；微氣泡在邊界層中的濃度分佈近似為三角形或梯形分佈；受粒子間相互作用的影響，存在一飽和濃度；減阻率隨噴氣量的增大而增大，直至飽和噴氣量，此後，增大噴氣量，壁面摩擦阻力變化不大；相同噴氣量下，來流速度越大，減阻率越低。
  7. Methods utilize magnetic resonance - mud logging ( mr - ml ) technology to rapidly and accurately analyze such parameters of cuttings, core and sidewall core as porosity, permeability, ffi, bvi and oil saturation, etc

    方法利用磁共振錄井技術在鉆井現場快速、準確地分析巖屑、巖心及井壁取心的孔隙度、滲透率、可動流體飽和度、束縛流體飽和度及含油飽和度等參數。
  8. ( 2 ) the emitter discharge of simple subsurface drip irrigation is greater than the infiltration rate after formed saturate loop in the short time. infiltration rate under subsurface drip irrigation is not only affected by soil texture, original soil moisture content and soil bulk density et al, but also by emitter discharge, which affect by water pressure

    （ 2 ）地下滴灌的灌水器出流量一般在較短時間內形成飽和圈后，土壤入滲速率不僅受到土壤質地、土壤初始含水率、土壤容重等因素的制約，而且還與影響灌水器出流速率的壓力水頭有關。
  9. A lot of cuttings can be produced during the field exploiting and production. but existing techniques ca n ' t acquire the key petrophysical parameters such as porosity, permeability, mobile fluid percent and oil saturation etc. from the cuttings

    目前，現有的技術無法快速從油田勘探開發過程中收集到的大量鉆井巖屑中獲得孔隙度、滲透率、可動流體百分數及含油飽和度等重要油層物理參數。
  10. To sandstone, nmr cuttings analysis can get the same results as core analysis. and the nmr cuttings analysis can also realize the fast measurement of oil saturation, which is difficult for the nmr core analysis in the house at present

    採用核磁共振巖屑分析技術不僅可以快速從巖屑中獲得孔隙度、滲透率及可動流體百分數等重要油層物理參數，而且還可以實現巖屑含油飽和度的快速測量，這是目前室內核磁共振巖心分析較難做到的。
  11. Saturated flow speed

    飽和流速率
  12. Abstract : the saturation behavior of stress current is studied. the three types of precursor sites for trap generation are also introduced by fitting method based on first order rate equation. a further investigation by statistics experiments shows that there are definite relationships among time constant of trap generation, the time - to - breakdown, and stress voltage. it also means that the time constant of trap generation can be used to predict oxide lifetime. this method is faster for tddb study compared with usual breakdown experiments

    文摘:基於一階速率方程，討論了恆定電壓應力下應力電流的飽和行為.通過對應力電流的擬合，發現存在三類缺陷產生的前身.更進一步的統計實驗顯示，在缺陷產生時間常數、擊穿時間以及應力電壓之間存在著明確的關系.這意味著缺陷產生時間常數能夠被用於有效預測氧化層的壽命.與常規的氧化層擊穿實驗相比，基於缺陷產生時間常數的預測更快、更有效
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