Investigation Isometric Point of Collagen Treated with Phosphonium Salt
膦盐改性皮胶原后等电点变化分析
Combination Tannage of Goat Garment Leather by Vegetable Tannin Extract and Organic Phosphonium
栲胶和有机膦结合鞣制山羊服装革工艺
tetramethyl phosphonium.
四甲基磷翁
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