本发明是关于用于水系统的含有天冬氨酸和水溶性膦酸盐低聚物的缓蚀阻垢剂。该药剂可有效地缓蚀阻垢,而且因无毒、不含重金属及少量或没有磷,对环境是友好的。该药 The present invention relates to corrosion and scale inhibitors containing aspartic acid and a water-soluble phosphonate oligomer for aqueous systems. The agent can effectively scale corrosion inhibition, but also because of non-toxic, non-heavy metals and little or no phosphorus, environmentally friendly. This medicine