So, before a development scheme of oil and gas is formulated, a synthetic model on structural evolution, sedimentation, and diagenesis should be set up to predict the favourable zones.
Describes in detail the unified standards formulated in 1953 for the series of high vacuum oil diffusion pumps manufactured in the former USSR.
详细地介绍了前苏联1953年由国家制订的高真空油扩散泵工业产品的统一系列。
3
The properties of hydrofined oil as base oil and its receptivity on additives were investigated. The quality of HM anti-wear hydraulic fluids formulated by hydrofined oil was evaluated.