The pollution halo effect of technology spillover and pollution haven effect of economic growth in agricultural foreign trade: two sides of the same coin?

Environmental Science and Pollution Research - The existing literature on the environmental Kuznets curve (EKC) fails to investigate the spatial attribute of the “pollution halo” effect...     

A comparison analysis of the decoupling carbon emissions from economic growth in three industries of Heilongjiang province in China

Environmental Science and Pollution Research - Growing environmental pressure urges China to develop in a sustainable and low carbon way, and thus China strives to achieve a carbon peak by 2030 and...     

The land carrying capacity and environmental risk assessment of livestock and poultry breeding considering crop planting

Environmental Science and Pollution Research - At present, the contradiction between survival and ecology necessitates the integration of crop planting, chemical fertilizer application, and...     

长三角地区跨区域合作创新对区域多样化的影响研究

区域多样化发展在提高生产力、促进就业以及稳定经济等方面发挥着重要作用.一直以来演化经济地理学框架下区域多样化发展中外部资源的作用被忽略,而跨区域合作创新是区域获取外部知识的重要途径之一.研究使用2000～2017年长三角地区41个城市的发明专利数据,对区域经济一体化特征显著的长三角地区多样化水平与合作创新进行测度,并实证检验区域内部与跨区域的合作创新在区域多样化进程中所发挥的作用.结果表明:(1)长三角地区各城市的相关与不相关多样化水平总体呈现逐渐上升并趋于稳定的趋势;(2)合作创新作为知识流动的重要载体,合作参与者大多位于长三角内,合作创新所产生的知识溢出往往发生在具有技术关联性的产业间,从而有助于促进长三角地区发展相关多样化,但对不相关多样化没有表现出显著影响;(3)合作创新中参与团队数量与区域相关与不相关多样性没有显著关系;(4)合作创新中跨区域合作比例越高,越能够促进区域相关与不相关多样化的发展.因此,在推动区域产业多样化的过程中应注重强化区域间的合作,借助外部力量引导区域产业发展.     

同步辐射光谱技术在有机固废污染控制与资源化研究中的应用

有机固废中碳、磷、硫及重金属等元素赋存形态是决定其环境行为、反应活性及资源化再利用的关键因素.同步辐射光谱技术可以在分子水平、微纳米尺度原位表征有机固废中碳、磷、硫、重金属等元素赋存形态、结合位点、微观结构,为深入阐明有机固废环境行为、反应机制提供直接的证据.概述了X射线吸收光谱、微束X射线荧光光谱等同步辐射光谱技术在有机固废污染控制与资源化研究的中应用进展,并对同步辐射光谱技术在该领域应用前景和发展趋势进行了展望,以期为有机固废资源化再利用及其污染控制等研究提供参考.     

Association between air pollution and COVID-19 infection: evidence from data at national and municipal levels

Environmental Science and Pollution Research - The impact of high concentrations of air pollution on COVID-19 has been a major air quality and life safety issue in recent studies. This study aimed...     

Effect of pressure and atmosphere during hydrothermal treatment on the properties of sewage sludge-derived solid fuel

Journal of Material Cycles and Waste Management - Efforts to improve the performance of hydrothermal treatment (HT) in producing high-quality solid fuel from sewage sludge were carried out by...     

神农架大九湖后生浮游动物群落结构和水质评价

大九湖是南水北调中线工程的重要水源涵养地之一。为了解实施生态修复工程后浮游动物群落结构特征及水质污染情况，于2014年11月（枯水期）、2015年5月（平水期）和9月（丰水期）进行了3次采样调查。研究表明:共检出后生浮游动物36种，其中桡足类2种、枝角类5种和轮虫29种，轮虫丰度在3次采样中均占总丰度的80%以上，仅有的几种枝角类和桡足类也是小型种类或以幼体为主。11月优势种是寡污-β中污型-螺形龟甲轮虫（Keratella cochlearis）和晶囊轮虫（Asplachna sp.）；5月优势种为寡污-β中污和β中污型-螺形龟甲轮虫、迈氏三肢轮虫（Filinia maior）、无棘螺形龟甲轮虫（Keratella cochlearis tecta）、广生多肢轮虫（Polyarthra vulgaris）和萼花臂尾轮虫（Brachionus calyciflorus）；9月优势种是β-中污型-裂足臂尾轮虫（Brachionus diversicornis）、迈氏三肢轮虫和剪形臂尾轮虫（Brachionus forficula）。冗余分析（RDA）表明高锰酸盐指数(CODMn)是影响后生浮游动物污染类型分布的最关键环境因子。 关键词： 大九湖；后生浮游动物；污染类型；高山湿地湖泊     

Optimal Absorbent Evaluation for the CO2 Separating Process by Absorption Loading,Desorption Efficiency,Cost, and Environmental Tolerance

The CO₂ absorption capacities of potassium glycinate, potassium sarcosinate (choline, proline), mono-ethanolamine (MEA), and tri-ethanolamine were evaluated to find the optimal absorbent for separating CO₂ from gaseous products by a CO₂ purification process. The absorption loading, desorption efficiency, cost, and environmental tolerance were assessed to select the optimal absorbent. MEA was found to be the optimum absorbent for separating the CO₂ and H₂ mixture in gaseous product. The maximum absorption loading rate was 0.77 mol CO₂ per mol MEA at temperature of 20°C and absorbent concentration of 2.5 mol/L, whereas desorption efficiency was 90% by heating for 3 h at 130°C. MEA was found to be an optimal absorbent for the purification process of CO₂ during gaseous production.     

Comparison of different sequential extraction procedures for mercury fractionation in polluted soils

Environmental Science and Pollution Research - Three sequential extraction procedures (SEPs), modified Tessier, modified BCR, and CIEMAT, were compared for mercury fractionation in polluted soils....