The s isotopic components of metal minerals indicates a mid-low-temperature environmental precipitation under the condition of isotopic exchangeequilibrium.
金属矿物硫同位素组成在同位素交换平衡条件下属中低温环境沉淀。
2
Ion exchangeequilibrium of neutral amino acids on 732 strong acid cation exchange resin in non buffer systems were studied and an equilibrium model was proposed.
研究了非缓冲体系中性氨基酸在732型强酸性阳离子交换树脂上的离子交换平衡，并提出了平衡模型。
3
Ion-exchange fibers as a new kind of drug carrier could be used for drug delivery system by the ion exchangeequilibrium between drug ions and surrounding counter ions.