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power decline curve 功率衰减曲线
The density of power spectral entropy, on the whole, is an exponential decline curve with frequency augmentation without reference to water flooded extent. 功率谱密度不论水淹程度如何，整体为一随频率增大其能量按指数递减连续频谱；
One can determine the corresponding parameters of Arps decline curve by using the parameters obtained. 用求出的曲线参数还可求出相应的Arps递减曲线参数。
Based on Arps decline equation, the nomogram of decline curve assay is developed. 基于Arps递减方程,建立了衰减曲线分析的诺模图。
Arps decline curve is basic mathematic model used for studying oil/gas production decline regularity at present, but it has some defects. Arps递减曲线是目前用于研究油气产量递减规律的基本数学模型;但该模型仍有一些不足之处.
Arps equation,a optimun fitting of production decline curve analysis of oil and gas reservoirs is presented in this paper. Arps方程的推导,提出了油气藏产量递减曲线分析的最佳拟合法。
Based on production decline curve equation, through mathematical derivation, a kind of logarithmic type production decline curve equation is obtained. 在产量衰减曲线方程的基础上，通过数学推导，得到了一种对数型产量衰减曲线方程。
One can determine the corresponding parameters of Arps decline curve by using the parameters obtained.So a new approach to get the parameters o... 计算实例表明，这种增长曲线和递减曲线及其参数求取方法具有很大的理论意义和实际应用价值。
The displacement characteristic of the water-drive curve shows the cumulative oil production-water cut linear relation and corresponds Arps exponential decline curve. 由于推导是可逆的，从这个意义上说，我们也完成了这类水驱曲线的推导。这类水驱曲线的驱替特征表现为累积产油量与含水率成直线关系，并且对应于Arps指数递减曲线。
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Arps递减曲线方程，提出了油气田产量指数递减曲线分析的自回归模型。
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. 分析了递减曲线与增长曲线的联系，提出了一种与著名的Arps递减曲线等效的、新的增长曲线及其对应的递减曲线。
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Arps递减曲线和产量预测数学模型理论研究的基础上,分别导出了油田产量遵循不同开发规律时储采比与时间的关系式及确定油田保持稳产时所需的储采比下限值,将其应用于辽河油区合理储采比确定中,效果较好。
The king was shorn of his power by his nobles. 国王被手下的贵族们剥夺了权力。
So a new approach to get the parameters of Arps decline curves has been proposed considerably. 因此，也相当于提出了一种新的求取Arps递减曲线参数的方法。
Analysis of decline curves of oil and gas reser-voirs can be rapidly and easily completed by using this method. 应用该方法可简便而快速地进行油气藏衰减曲线分析。
This paper analyzes theoreticall the methane gas leakage and the photolysis are the main reasons of the output power declining. 本文在理论上阐述了工作气体甲烷的漏气现象以及气体光分解反应，是激光输出功率下降的主要原因。
In the remaining years of the Tang dynasty, the country was shattered by bureaucrats, and national power declined gradually. 唐朝末年官僚乱政，国力衰退。
Open tender for purchasing power transformer. 公开招标购买电力运输设备。
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提出的三种递减类型;即指数递减、双曲线递减和调和递减;在油、气藏工程中得到了极为广泛的应用。
James unleashed his power on Susan in revenge. 杰姆斯利用权力报复苏珊。