Research on the Perception of Green Visual Exposure Space Based on SD Method:Taking Saishang Old Street Cultural Area in Hohhot as an Example

With the rapid development and improvement of urban construction,the influence of green environmental exposure on mental health has attracted increasing attention,but the relationship between the psychological perception and the object index has been less explored.From the perspective of the individual and environmental perception,space optimization of cultural blocks was discussed to provide a reference for the development of other old streets.

Genotoxic effects of microcystins mediated by nitric oxide and mitochondria

Microcystins are potent toxins,produced naturally by cyanobacteria（blue green algae）,and they present significant threats to human and animal health（WHO,1999;Chorus,2001;Carmichael et al.,2001;Falconer,2005;IARC,2010;Ma et al.,2015）.