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Schroeder H.A.曾经提出人类心血管疾病发病率与水硬度之间的关系。他的工作是在Kolnyshi J.早先研究工作的基础上进行的。Nouis J.N.等曾经就英格兰(Eng-land)与威尔士(Wales)两地区的83个区内居民死亡原因与水硬度的关系进行过研究,并得出这样的结果:水硬度与心血管疾患死亡率间具有显著的反联系,即水愈硬死亡率愈低,反之水愈软,死亡率就愈高。特别是神经系统的血管疾患和心肌变性所引起的死亡与水硬度之间的这种关系更明显。除
Schroeder H.A. has put forward the relationship between the incidence of human cardiovascular disease and water hardness. His work is based on earlier work by Kolnyshi J. Nouis JN et al. Conducted a study on the relationship between the cause of death and water hardness in 83 districts of Eng-land and Wales and concluded that water hardness and cardiovascular mortality Between the significant anti-link, that is, the harder the water, the lower the mortality rate, whereas the softer the water, the higher the mortality rate. This relationship between the death caused by vascular disease and myocardial degeneration in particular of the nervous system and water hardness is even more pronounced. except