1、The invention discloses chitosan oligosaccharide chelated copper and a preparation method thereof.
本發(fā)明公開了殼寡糖螯合銅及其制備方法。

2、The activator can be a water-soluble alkanoyl-donor compound or a chelated transition metal.
所述活化劑可以是水溶性烷酰基-給體化合物或螯合過渡金屬。

3、NO one else has Chelated Minerals, the highest form of minerals for absorption.
從來沒有人螯合礦物，為吸收礦物的最高形式。

4、The quality of crop could be improved when chelated fertilizer was supplied with irrigation.
螯合肥灌溉施用的方式可以改善作物的品質(zhì)。