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- Application of the grey relative analysis method to the influencing factor analysis of production decline rate 灰色关联分析法在产量递减率影响因素分析中的应用
- TheCommerce Department revealed that during the last three months of 2008, itsgross domestic product decline at an annual rate of 6.2%, the sharpest fallingin 25 years. 商务部指出，2008年的最后三个月，国内生产总值以每年6.;2%25的速度下降，是25年来最急剧的下滑。
- On the basis of Arps fundamental production decline law, a simple and reliable analysis method of production decline was presented, and the linear relationship between cumulative production rate and time in log coordinate system was developed. Arps基本的递减规律出发;提出了一种新的简单可靠的分析产量递减的方法.;该方法在对数坐标中建立了累积产量与时间的线性关系
- The field tests show that natural decline rate reduced 3.7%, daily oil production increased 14t/d, composite water cut decreased 3.1% for microbial oil displacement compared with before. 矿场试验表明 ;微生物驱油之后与之前相比 ;产量自然递减下降了 3 .;7%25 ; 日产油量上升了 14t/d ;
- Comparably, the decline rate of the services is less than the manufacturing and probably revitalises in advance. 与制造业相比，下跌幅度相对较小，可能存在率先复苏等因素。
- 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。
- Traditional Arps production decline analysis method requires to determine the initial time, production and decline ratio before analyzing. 传统的Arps产量递减分析方法要求事先选定递减规律的初始时间、初始产量及初始递减率，事实上这些参数是很难确定的。
- 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。
- White male death-rate increased in a declining rate. 白人男子的死亡率增长速度在下降。
- Rome) Sixty-one governmental officials will meet next week in Bangkok to discuss the tendency of the world's rice production decline that is increasingly becoming a concern . 法新社罗马电)六十一个国家的政府官员下周将在曼谷集会，讨论日益令人关切的全球稻米产量下降趋势问题。
- To study the production decline is very significant for the later adjustment, production prediction and recoverable-reserves rechecking during a gas reservoir development. 产量递减规律的研究对搞好气藏开发后期调整，产量预测及可采储量复核都有重要意义。
- For waterflooding oilfields, the methods for prediction of recoverable re-serves include water drive curve, production decline, forecast model and numerical simulation. 然而，当油气田业已进入递减阶段之后，产量递减法则是最为重要的预测方法。
- Fourth, the relaxation even cancels the credit control, and continuously, large decline reserve fund, simultaneously along with price dip decline rate on loan. 四、放松甚至取消信贷控制，并连续、大幅下调准备金，同时随物价下降下调贷款利率。
- A production decline model which is fit for water huff and puff well is established based on the in-site production data and imbibition experiment in lab. 并根据矿场生产动态数据和室内渗吸实验,建立适合于注水吞吐井的产量递减模型。
- But from the production history of the individual well in the block, most of the wells have such problems as short stable production period and quick production decline. 但从该区块单井的生产历史来看,大部分井存在稳产时间短、递减快的问题。
- The senescent frequency contained the decline rate of leaf area, dry matter and chlorophyll content at the early filling phase and thus can be an indicator of premature senescence. 衰老频度涵盖了灌浆结实期单位时间内高效叶面积、叶干重、叶绿素含量3个指标的下降率，可作为判断早衰发生的量化指标。
- Based on the analyses of Arps production decline law and changes of remaining reserve-production ratio. a simple and convenient method for estimating decline factors and recoverable reserves during decline period in any oil- field was presented. 通过对Arps产量递减规律与油田剩余储采比变化规律关系的分析，给出了一种计算递减期油田递减指数与可 采储量的简便方法。
- The retail price was down by 1.9%; the declining rate was 0.9 percentage points lower over that in the last quarter. 商品零售价格下降1.;9%25，降幅比去年第四季度缩小0
- Lai Enna said: "The people are most concerned about is that Apple's high-end products decline. 莱恩纳说：“人们最担心的是，苹果高端产品出现颓势。
