Inorganic or organic acidic ligands play an important role in activity of the catalyst. Their proper acidity and chelated strength do favor to active structure of catalyst.

无机或有机酸性配体对催化剂的活性有显著影响，适当强的酸度和配位强度有利于催化剂活性结构的稳定。

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It contained rich organic acid and a lot of trace inorganic elements, that could emphasize acidity of the digestive system of piglet and illness-resistant ability.

它含有丰富的有机酸类物质和多种微量无机元素，能够增强仔猪消化道酸度和抗病能力。

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There was not significant correlation between soil acidity and various forms of inorganic phosphorus in non-rhizosphere soil, respectively.

非根际土壤酸度与非根际土壤无机磷形态的相关性不明显。

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