The Paper describes the applications of Roselle and the ex tracting and re fining procedures of Roselle seed oil.
阐述了玫瑰茄的用途，玫瑰茄籽油的制取及精炼工艺。

This paper introduces the colorimetric method for determination of total chlorine light oil by spectrophotometer.
本文叙述了测定轻质油中总氯含量得分析方法。

This paper presents a method for double nonlinear analysis of the loading capacity of oil derrick steel structures.
本文对采油井架钢结构进行了非线性有限元分析。

This paper describes cretaceous petroleum system in Ecuador Oriente Basin. The oil resources are rich in this basin.
厄瓜多尔东部盆地发育白垩系含油气系统，石油资源丰富。

The paper introduces the theory of return oil cooling mechanism for the dual pump converging hydraulic system of loaders.
介绍了装载机双泵合流液压系统的回油冷却机构的原理。

The paper analyzes the technical situation of domestic and foreign lubricant oil industry from the point of view of patents.
从专利的角度, 分析了国内外润滑油工业的技术现状。

The characteristics and counter measures in centralized oil lubrication for bearings of wire part of high speed paper machines
高速纸机网部轴承使用集中稀油润滑的特性与措施

This paper studiesand discusses the new development of the well logging technology and its contribution to the oil and gasexploration.
本文研讨这些测井技术的新进展及其对油气勘探的贡献。