Determination of methamidophos,malathion,fenthion residues in beestings by gas chromatography.
气相色谱法测定牛初乳中甲胺磷、马拉硫磷、和倍硫磷的残留量。
Determination of methamidophos,malathion,fenthion residues in beestings by gas chromatography.
气相色谱法测定牛初乳中甲胺磷、马拉硫磷、和倍硫磷的残留量。
Ingredients: Liquorice, cat's-foot, hamamelis, hyaluronic acid, astringent, foremilk nutrient activating factors.
甘草、积雪草、金缕梅、透明质酸、收敛剂、初乳活性营养因子等。
A stepwise procedure for isolation and purification of lactoperoxidase by ultrafiltration and ion exchange chromatography was investigated.
采超滤-离子交换色谱分步洗脱法,对牛初乳中的乳氧化物酶进行了分离和纯化。
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