地层矿物组分、理化性能分析是整个泥浆工作中一项极为重要的基础工作。
Analysis of mineral composition, physical and chemical properties on instable formation rock in an important work in the study of drilling fluid.
通过对铝及铝合金的理化性能及焊接方面的特殊要求、影响因素、预防措施等几个方面的分析，为此类材料的焊接提供了有效的焊接方法。
Through the analysis of the requirements and influence factor in physics and chemical properties and welding, the effective welding method was provided for aluminum and its alloys.
经检测分析证明，其矿物组成、显微结构和理化性能都达到了预期的要求。
Examination results showed that the mineralogical composition, microstructure and physicochemical property of the new Molokite refractory clinker has reached expectant demand.
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