Methods The stability constants of gadolinium chelates were determined by using a compitition method and water proton ralaxation times T1 were measured by means of the inversion recovery method.
方法：采用配位竞争法测定钆螯合物的稳定常数，采用反转恢复法测定钆螯合物的水质子弛豫时间。
Methods The stability constants of gadolinium chelates were determined by using a compitition method and water proton ralaxation times T1 were measured by means of the inversion recovery method.
方法：采用配位竞争法测定钆螯合物的稳定常数，采用反转恢复法测定钆螯合物的水质子弛豫时间。
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