Experiments in monitoring the removal of organic material and nitrogen and determining the amounts of mi- croorganism at different sites in the subsurface flow constructed wetland in Sihong county were performed. The ...Experiments in monitoring the removal of organic material and nitrogen and determining the amounts of mi- croorganism at different sites in the subsurface flow constructed wetland in Sihong county were performed. The results show that the removal of CODCr agrees with the kinetic equation of a first order reaction. The removal of pollutants varies with different seasons. The removal rates of CODCr, NH3-N, TN in the spring are 15%–23% higher than those in the autumn. The amount of ammonifier is larger than that of denitrifying bacteria and the amount of denitrifying bacte- ria is larger than that of nitrosomonas. The amount of bacteria around the plant roots is larger than that on the surface of the packing medium. No apparent change is observed for the amount of denitrifying bacteria and nitrosomonas between spring and autumn.展开更多
互联网和智慧旅游的快速兴起,改变了传统旅游景区相关信息的来源渠道,越来越多的人选择通过旅游网站获取旅游景区相关信息,并在旅游网站上对旅游景区进行评价,由此产生了丰富的评论数据。文章以泗洪洪泽湖湿地景区为例,基于携程、美团...互联网和智慧旅游的快速兴起,改变了传统旅游景区相关信息的来源渠道,越来越多的人选择通过旅游网站获取旅游景区相关信息,并在旅游网站上对旅游景区进行评价,由此产生了丰富的评论数据。文章以泗洪洪泽湖湿地景区为例,基于携程、美团的网络评论文本,运用内容分析法,采用ROST CM 6.0软件,从游客认知、情感两方面挖掘游客对泗洪洪泽湖湿地景区的旅游形象感知,并对提升景区旅游形象提出建议。展开更多
文摘Experiments in monitoring the removal of organic material and nitrogen and determining the amounts of mi- croorganism at different sites in the subsurface flow constructed wetland in Sihong county were performed. The results show that the removal of CODCr agrees with the kinetic equation of a first order reaction. The removal of pollutants varies with different seasons. The removal rates of CODCr, NH3-N, TN in the spring are 15%–23% higher than those in the autumn. The amount of ammonifier is larger than that of denitrifying bacteria and the amount of denitrifying bacte- ria is larger than that of nitrosomonas. The amount of bacteria around the plant roots is larger than that on the surface of the packing medium. No apparent change is observed for the amount of denitrifying bacteria and nitrosomonas between spring and autumn.
文摘互联网和智慧旅游的快速兴起,改变了传统旅游景区相关信息的来源渠道,越来越多的人选择通过旅游网站获取旅游景区相关信息,并在旅游网站上对旅游景区进行评价,由此产生了丰富的评论数据。文章以泗洪洪泽湖湿地景区为例,基于携程、美团的网络评论文本,运用内容分析法,采用ROST CM 6.0软件,从游客认知、情感两方面挖掘游客对泗洪洪泽湖湿地景区的旅游形象感知,并对提升景区旅游形象提出建议。