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- It implies that PVA modification of NWF can increase its hydrophilicity, effectively restrain both its protein absorption and flux decline and improve its antifouling performance. 說(shuō)明通過(guò)復合PVA薄膜，提高無(wú)紡布表面的親水性，能有效抑制蛋白質(zhì)的吸附和通量的降低，增加無(wú)紡布的耐污染性能。
- The P/C of EPS(subscript B) and EPS(subscript s) of original NWF is bigger than that of modified NWF and the flux decline of original and modified NWF is 40% and 12% respectively. 未改性無(wú)紡布EPS(下標B)和EPS(下標s)的P/C均大于改性無(wú)紡布：另外，在膜生物反應器運行期間，未改性及改性無(wú)紡布的膜通量分別衰減了40%25和12%25。
- One can determine the corresponding parameters of Arps decline curve by using the parameters obtained. 用求出的曲線(xiàn)參數還可求出相應的Arps遞減曲線(xiàn)參數。
- Based on Arps decline equation, the nomogram of decline curve assay is developed. 基于A(yíng)rps遞減方程,建立了衰減曲線(xiàn)分析的諾模圖。
- Arps decline curve is basic mathematic model used for studying oil/gas production decline regularity at present, but it has some defects. Arps遞減曲線(xiàn)是目前用于研究油氣產(chǎn)量遞減規律的基本數學(xué)模型;但該模型仍有一些不足之處.
- Arps equation,a optimun fitting of production decline curve analysis of oil and gas reservoirs is presented in this paper. Arps方程的推導,提出了油氣藏產(chǎn)量遞減曲線(xiàn)分析的最佳擬合法。
- Based on production decline curve equation, through mathematical derivation, a kind of logarithmic type production decline curve equation is obtained. 在產(chǎn)量衰減曲線(xiàn)方程的基礎上，通過(guò)數學(xué)推導，得到了一種對數型產(chǎn)量衰減曲線(xiàn)方程。
- One can determine the corresponding parameters of Arps decline curve by using the parameters obtained.So a new approach to get the parameters o... 計算實(shí)例表明，這種增長(cháng)曲線(xiàn)和遞減曲線(xiàn)及其參數求取方法具有很大的理論意義和實(shí)際應用價(jià)值。
- The displacement characteristic of the water-drive curve shows the cumulative oil production-water cut linear relation and corresponds Arps exponential decline curve. 由于推導是可逆的，從這個(gè)意義上說(shuō)，我們也完成了這類(lèi)水驅曲線(xiàn)的推導。 這類(lèi)水驅曲線(xiàn)的驅替特征表現為累積產(chǎn)油量與含水率成直線(xiàn)關(guān)系，并且對應于A(yíng)rps指數遞減曲線(xiàn)。
- Based on Arps decline curve equation this paper presents the autoregressive model for analyzing the production exponential decline curve, the analysis is convenient and reliable. 本文基于A(yíng)rps遞減曲線(xiàn)方程，提出了油氣田產(chǎn)量指數遞減曲線(xiàn)分析的自 回歸模型。
- The density of power spectral entropy, on the whole, is an exponential decline curve with frequency augmentation without reference to water flooded extent. 功率譜密度不論水淹程度如何，整體為一隨頻率增大其能量按指數遞減連續頻譜；
- A connection between Arps decline curve and increase curve is analysed. A new increase curve which is equivalent to famous Arps decline curve and its corresponding decline curve have been presented. 分析了遞減曲線(xiàn)與增長(cháng)曲線(xiàn)的聯(lián)系，提出了一種與著(zhù)名的Arps遞減曲線(xiàn)等效的、新的增長(cháng)曲線(xiàn)及其對應的遞減曲線(xiàn)。
- The relationship of reserve-production ratio and time and the cut-off value of stable production have been derived on basis of Arps decline curve and mathematical model of production prediction. 在A(yíng)rps遞減曲線(xiàn)和產(chǎn)量預測數學(xué)模型理論研究的基礎上,分別導出了油田產(chǎn)量遵循不同開(kāi)發(fā)規律時(shí)儲采比與時(shí)間的關(guān)系式及確定油田保持穩產(chǎn)時(shí)所需的儲采比下限值,將其應用于遼河油區合理儲采比確定中,效果較好。
- So a new approach to get the parameters of Arps decline curves has been proposed considerably. 因此，也相當于提出了一種新的求取Arps遞減曲線(xiàn)參數的方法。
- Analysis of decline curves of oil and gas reser-voirs can be rapidly and easily completed by using this method. 應用該方法可簡(jiǎn)便而快速地進(jìn)行油氣藏衰減曲線(xiàn)分析。
- The three types of decline curves presented by Arps(i.e. Exponential decline, Hyperbolic decline, and Harmonic decline)has been applied extensively in reservoir engineering. J.;Arps提出的三種遞減類(lèi)型;即指數遞減、雙曲線(xiàn)遞減和調和遞減;在油、氣藏工程中得到了極為廣泛的應用。
- The decline of sales embarrassed the company. 銷(xiāo)路下降使公司陷于財政困難。
- Arps empirical decline curve equation Arps經(jīng)驗遞減曲線(xiàn)方程
- All things are in a state of flux. 萬(wàn)物都在不斷地變動(dòng)。
- The falling star described a long curve in the sky. 流星在空中畫(huà)出了一道長(cháng)長(cháng)的弧線(xiàn)。
