N a natural animal or vegetable oil that is not volatile: a mixture of esters of fatty acids, usually triglycerides 固定油(不挥发天然动植物油) (Also called fatty oil) → compare essential oil
Influence of several dilution oils on the vacuum residue hydrotreating effect has been studied with a pilot fixed bed residue hydrotreating unit.
在中型固定床渣油加氢处理试验装置上研究了减压渣油加氢处理过程中，几种稀释油对减压渣油加氢效果的影响。
The transesterification of waste oils and methanol to biodiesel catalyzed by immobilized Candida lipase in three stages fixed bed reactors was studied.
研究了地沟油和甲醇在三段式反应器中固定化脂肪酶上合成生物柴油。
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