| 1. | Flow coefficient is an important index for productivity evaluation
流动系数是评价产能的一个重要指标。 |
| 2. | This framework of agro - ecosystem productivity evaluation is expected to be an innovative attempt comparing to the similar research method before . 2 . the emergy evaluation results show that ( 1 ) the primary system productivity have risen greatly since 1990 in this region
首次引入了能值( emergy )分析方法和生态系统服务( ecosystemservice )价值测算方法并进行了修正，这在同类研究方法上是一种具有创新意义的尝试。 |
| 3. | Lots of observing , practice and test show that light oil can be identified by some technology ways and reservoir properties can be perceived , and all these benefit to productivity evaluation quantitatively by well logging data and laboratory analysis
通过大量实物观察、各种资料及测试分析，表明可以通过所研究的各种技术手段和方法识别轻质油，根椐实验分析和已有的测井资料的数据进行储层性质识别，辨别油水层，并定量地进行产能的评价。 |
| 4. | The productivity evaluation and estimate of the reservoir is an important part in the exploration ^ and development of an oil field , since it is an key proportion of enhance the exploration effect and it can obtain elementary data which is important for the deployment and programming of the development
油气储层产能评价与预测对于油气田的勘探与开发有着重要的意义，它既是提高勘探效果的关键环节之一，又可为开发的部署与规划提供重要的基础数据。 |
| 5. | In this study , the evaluation method of the productivity and the influence factor of the productivity are analyzed , then a method of the productivity evaluation and estimate according to logging data of the reservoir is brought up . this kind of method can be applied to the test of multi layers and a layer
本文在分析储层产能的评价方法及产能的影响因素的基础上，提出一种基于测井数据的油气储层产能评价与预测方法，这种方法适用于多层合试及单层测试。 |
| 6. | 16032 evaluation units of the potential land productivity were overlaid out . by using the mechamism methodology and relative computing models , yaan city ' s land productive potentiality was computed according to synthetic index of land productivity evaluation that was taken as soil effective coefficient . result of research indicated that : ( a ) siol effective coefficient changed from 0 . 3047 to 0 . 8550 , respectively with medium - low yield farmland of 71 . 28 percent . ( b ) the division of climate productivibilty is situated on the third degree and fourth class western area in east of chian
4 、雅安市土地自然生产潜力与目前的实际生产水平比较，其增产潜力平均为23 . 53 ，说明农业技术和管理措施等的增产潜力较大；将目前土地的实际生产水平与15年前比较，土地的实际生产水平逐年上升，年均递增0 . 64 ，显然，土地的自然生产潜力是可以通过各种农技措施来挖掘的。 |
