The density of crude oil in place can be calculated by this equation. The equation provides a reliable basis for heavy oil classification and reasonable development.

用该方程式可计算在地层温度下的脱气原油密度值，为稠油分类及合理开发提供了可靠的依据。

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The functions and classification of the anti-static coatings and special requirements of product oil tanks on antistatic coatings were described.

概括介绍了防静电涂料的功能、分类以及石油产品贮罐对防静电涂料的特有要求。

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A classification table of oil shale ash composition is given out.

提出了油页岩灰分成分的分类表。

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The satellite will have a number of viewing modes that will enable it to perform a wide range of roles, from flood monitoring and land cover classification to disaster mapping and maritime enforcement - notably ship tracking and oil spill detection.

BBC: Surrey to start making radar satellites