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?；?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)。