According to the requirements of "going out" strategy of Jilin Tobacco Industry Co. Ltd., in order to further expand the Changbaishan series brand in the market of North Korea, this paper elaborates the product development and maintenance ideas and measures for three cigarette companies in North...

Constructed wetlands are extensively applied in waste water treatment and water ecosystem restoration. However, the accumulation and migration characteristics and potential ecology risks of heavy metals, particularly in a long-running large-scale constructed wetland for wastewater treatment, are...