Because maintain frequency to reduce, because this still can reduce applied cost.

Water-flooding can improve oil production and factor.

油田注水开采能够增加原油产量和提高采收率.

The recovery of CO _ 2 injection core displacement is 48.15 % at 22.64 MPa.

芳48断块岩心在22.64MPa下注CO_2采收率为48.15%.

Crosslinked polymer injection is an increasingly mature technique of tertiary EOR.

注交联聚合物提高采收率是一项日益成熟的三次采油技术.

Its successful development is benefit for enhancing production rate and oil recovery.

该产品的研制对提高油田的开采速度和采收率具有很大意义.

Core displacement experiment shows that microbial flooding can improve recovery by 10 %.

岩心驱替实验表明,微生物驱比水驱提高采收率10%左右.

Parallelflow can improve the oil recovery 19.15 % at most.

双并联调剖驱油时采收率增幅最高可达19.15%.

Now air injection into light oil for EOR has received more attention.

目前注空气提高轻质原油采收率受到广泛的关注.

Come 20 years countrywide recovery ratio is shown reduce a current.

20年来全国采收率呈降低趋势.

Air injection is a promising and proven technology as for EOR process.

注空气提高原油采收率是一种很有前景的开发技术.

The ultimate recovery depends on the complexity of the reservoir.

原油的最终采收率取决于油藏的复杂程度.

The success of such films is measured simply on theirprofit margin.

这类片子是否成功完全是根据其利润率来衡量的.

The goal of the company is to increase revenue by 10 %.

这家公司的目标是将其年利润率提高10%.

High burning heat ratio and low gas consumption.

燃烧热效率高且耗气量少.

The major factors is excess air and flue gas temperature.

影响注汽锅炉运行热效率的主要因素是排烟温度和空气系数,测算分析表明,大部分注汽锅炉二者均超标.

Both can satisfy and improve the efficiency and power of engines.

二者均能满足并提高发动机的热效率和功率.

The proportion of the population was going down in the past few years.

在过去的几年里人口出生率在下降.

After the war there was a bulge in the birth-rate.

战后出生率激增.

The graph shows a bulge in the birth rate.

图表显示出生率的暴增.

At what slope should you hit the ball?

我们出杆方向的斜率该是多少 呢 ?

Determine the slope of the line passing through each pair of points.

请确定通过任意两点的直线的斜率.