查询词典 petroleum

The main pathways of petroleum secondary migration are sandstone, fault surface and unconformity surface.

油气二次运移的主要通道为砂岩层、断层、不整合面。

The status quo of high-resolution data acquisition system is discussed and by studying the character of high-resolution seismic exploration and seismic signal, the theoretical models and character of each unit are gained. This paper point out that under 1000 meter's depth where petroleum is embedded the IDR of central controlled seismic instrument and telemetricseismic instrument are lower than 70dB which can't meet the needs of high-resolution seismic exploration.

文章论述了当代高分辨率地震数据采集系统的现状，对高分辨率地震勘探及地震信号特点进行了研究，得出了高分辨率地震勘探数据采集系统的理论模型和各功能单元的理论特性，指出在石油与天然气埋藏的千米以下的地层，集中式数字地震仪和24位遥测地震仪的瞬时动态范围均不超过70dB，远远满足不了高分辨率地震勘探的需要。

The SWC integer yoke cross-shaft universal coupling is applied to the main transmission and auxiliary transmission of the rolling mill, as well as the hoist, mine, engineering, vehicle transporting, petroleum, shipping, papermaking machinery and other heavy-duty mechanical trades.

SWC型整体叉头十字轴式万向联轴器主要应用于轧机主传动及辅机传动，也适用于起重机、矿山、工程、车辆运输、石油、船舶、造纸机械及其他重型机械行业。

Crude oil or unprocessed petroleum is called *** when it contains a lot of sopher and impurity.

原油或者未经加工处理的石油被称作酸性的，他们一般含有许多硫和杂质。

Crude oil, or unprocessed petroleum, is called sour when it contains a lot of sulfur, an impurity.

原油或是未处理过的石油，被叫作酸的，因为它含有很多硫磺和杂质。

Crude oil,or unprocessed petroleum,is called sour when it contains a lot of sulfur,and impurity.

原油是没有经过处理的石油，叫做酸。因为它包含了许多硫磺，硫磺是一种混合物。

Petroleum resins have certain unsaturation property and can be used as paper glutting agents, plastic modifiers etc.

树脂具有一定的不饱和性，可用于纸张上胶剂，塑料改性剂等。

It is unsuited to the development of petroleum resins and paper industry.

石油树脂是造纸行业用施胶剂的重要品种之一。

Finding the law of remaining oil distribution is a practical meaningful problem in upriver petroleum industry.

解决储层中剩余油的分布是石油上游工程必须解决的、有实际意义的问题。

Despite the upsides, however, experts point out that biofuels are far from a cure for our addiction to petroleum.

尽管上段，可是无论怎样，专家指出：生物燃料远远没有为我们的石油成瘾而治疗。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。