doba

Processing Doba crude oil containing high acid number and high calcium

高酸值高钙多巴原油的加工

The properties of high acid-value and high calcium content Doba crude are described together with the influence of processing Doba crude on unit operation , product quality , and equipment corrosion .

介绍了多巴（Doba）原油的性质，分析了加工该类原油对生产操作、产品质量和设备腐蚀等方面可能造成的影响。

He sporadically devotes time to photo journalism , mainly in the magazines , Film a doba and Ateli é r.

他偶尔用了新闻照片的时间主要在杂志，电影一科尔多瓦和画室。

Harare provincial education director Tomax Doba confirmed the incident and said that his office had been furnished with a report from the school .

当地的教育局长证实了此事，并表示已经收到事发学校递交的报告。

Doba crude is a kind of intermediate - base heavy crude with a high acid-value , high content of calcium , salt , and carbon residue , but a low light oil yield .

Doba原油属中间基重质原油，酸值和钙含量很高，盐含量和残炭也较高，而轻质油收率很低；