Animal and vegetable fats and oils - determination of content of polar compounds 动植物脂肪和油.极性化合物含量测定
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Animal and vegetable fats and oils - determination of content of polar compounds 动植物脂肪和油.极性化合物含量的测定
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Ethylene for industrial use . determination of traces of polar compounds . preparation of condensate samples by low - temperature scrubbing technique 工业用乙烯.极性化合物痕量的测定.用低温擦洗技术对冷凝物试样的制备