The mass spectra of ferrocenyl - � � - diketonate chelates of Ti, Zr, Hf ( 1 - 6 ) and substituted ferroceoyl - titanocene complexes ( 7 - 8 ) have been inves - tigated.

本文研究了钛 、 锆 、 铪的二茂铁基β - 双酮螯合物 ( 1～6 ) 和取代的二茂铁基钛茂络合物 ( 7～8 ) 的质谱.

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Uses quality sources of minerals, such as amino acids chelates, and organic acid salts.

使用高品质来源的矿物质, 例如氨基酸螫合物以及有基酸盐类.

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However , some synthetic chelates have been shown to induce the uptake of metals by plants.

许多螯合剂能诱导植物对重金属的吸收.

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