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Relationship between economic growth and water environmental quality of Anshan city in Northeast China 总被引:1,自引:0,他引:1
Based on the decomposition model of environmental quality and univariate regression model, the relationships of industrial wastewater drainage with economic scale, economic structure, and technological level in Anshan, a mining city in Northeast China, were studied. The results showed that, due to scale effect, the drainage of three important industrial wastewater pollutants (COD, NH3-N and petroleum) increased 8505t, 671t and 384t, respectively, and due to structure effect, those pollutants drainage increased 3996t, 174t and 120t from 2001 to 2006. While due to technological effect, the drainage of COD, NH3-N and petroleum reduced 4452t, 458t and 331t, and due to cross effect, those pollutants drainage reduced 7270t, 575t and 476t simultaneously. Meantime, the relationships between household consumption structure and domestic sewage discharge were analyzed, and domestic sewage discharges in different income levels were also compared. The results showed that, the domestic sewage discharges would increase 376t with 1000 yuan (RMB) increased in the traffic and communication consumption, and they would be 344t, 219t, 428t, 1873t, respectively, in housing consumption, food consumption, medical consumption, miscellaneous commodity consumption. The proportion of domestic sewage discharge increased for high income residents significantly, but reduced for lower income residents. The industrial wastewater pollutants drainage tends to be reduced by technical progress, while domestic sewage discharge will be a more important factor for urban water environment quality. 相似文献
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无网格法在地下水水位预测中的应用 总被引:1,自引:0,他引:1
基于移动最小二乘理论的无网格法是近几年来兴起的一种新的数值计算方法,与有限元法相比,它的主要优点在于无需单元信息,只需节点信息。用无网格法构造了场函数,包括基函数和权函数的选取,形函数及其导数的计算。根据鞍山市首山区水文地质条件,建立了求解双层渗流二维平面系统的数学模型,详细推导了模型求解的无网格方程。应用已识别的参数,用无网格法对该数学模型进行了求解, 并对该区的地下水水位进行了预测,预测的水位与实际水位变化规律基本一致。 相似文献
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岫岩玉,又称岫玉,以产于辽宁省鞍山市岫岩满族自治县而得名,为我国四大名玉之一。广义上分为两类,一类是老玉(亦称黄白老玉),老玉中的籽料称作河磨玉,属于透闪石玉,其质地朴实、凝重、色泽淡黄偏白,是一种珍贵的璞玉。 相似文献
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经国家土地总督察批准,国家土地督察沈阳局在辽宁省国土资源厅的积极配合下,先后于3月17日、18日分别进驻营口、鞍山两市开展土地例行督察。 相似文献
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经国家土地总督察批准,国家土地督察沈阳局在辽宁省国土资源厅的积极配合下,先后于3月17日、18日分别进驻营口、鞍山两市开展土地例行督察。这次督察主要任务是,全面了解两市 相似文献
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为推进农村集体土地确权登记发证工作有序开展,进一步提高工作质量和进度,鞍山市局近日按照突出重点、分组负责、条块结合的工作原则,积极推进工作开展,取得了阶段性成果。 相似文献
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鞍山市国土资源局城区分局坚持把“以人为本”作为窗口服务工作的中心原则,五项措施抓好登记窗口服务,努力把服务窗口打造成服务人民群众的便民窗口,努力使每一位办事群众高兴而来、满意而归,取得了较好成效。 相似文献