Methods The main fatty acid in vegetable oils was determined using GC - MS and qualitative test of oils was done using national standard method.

方法采用气相色谱-质谱法测定植物油样品中的主要脂肪酸含量，应用国标方法进行油脂定性试验。

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Biodiesel, fatty acid alkyl ester, is made from renewable bioenergy such as vegetable oils and animal fats.

生物柴油，即脂肪酸甲酯，是以动植物油为原料生产的可再生绿色能源。

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Effects of microwave radiation intensity and irradiating time on the acid value in vegetable oils were investigated.

研究了微波辐射强度和辐射时间对植物油脂酸值的变化情况。

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Fatty acid content in vegetable oils can vary significantly, a spokeswoman for Spruce Naturals says, depending on factors such as differences in climate, soil, seed variety and how the oil is pressed.

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He searched for years and eventually lighted on a mixture of oleic acid (a fatty acid found in various vegetable oils) and nitrogen-containing compounds called amines.

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