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Featured researches published by Wang Mingxin.


Archive | 2018

超声辅助EDDS/EGTA淋洗对土壤重金属形态、环境风险的影响及响应面优化

荀志祥; Xun Zhixiang; 姚静波; Yao Jingbo; 王明新; Wang Mingxin; 朱颖一; Zhu Yingyi; 王城晨; Wang Chengchen

采用响应面法实验设计研究了超声辅助EDDS/EGTA淋洗对Cu、Zn、Pb和Cd等不同重金属的洗脱效果和对残留重金属化学形态分布的影响,以超声功率、初始pH、EDDS投加量、EGTA投加量作为考察对象,以各重金属去除率及其环境风险削减率为响应值进行了模拟和优化.结果表明,EDDS对Pb的洗脱效率最高,Cu、Zn次之,Cd最低;EGTA对Cd的洗脱效率最高,Pb、Zn次之,Cu最低;超声功率对Cu、Pb去除强化效果明显,对Cd影响小,对Zn无显著影响;初始pH值为酸性时,Cu和Zn去除率高,碱性时Pb去除率较高,Cd去除率有所下降.EDDS与EGTA投加量及EGTA投加量与初始pH值对环境风险总削减率存在交互作用.超声辅助EDDS/EGTA对可还原态重金属洗脱效果较好,但容易导致弱酸提取态Cu和Pb残留率有所升高.响应面优化结果表明,当EDDS和EGTA投加量分别为重金属总摩尔数的1.92和2.56倍、超声功率为600 W、淋洗液初始pH值为5.27时,环境风险总削减率达到77.58%,与模拟值相近,模型具有较好的模拟和预测能力.


Archive | 2017

苏锡常地区PM 2.5 污染特征及其潜在源区分析

葛跃; Ge Yue; 王明新; Wang Mingxin; 白雪; Bai Xue; 姚静波; Yao Jingbo; 朱峥嵘; Zhu Zhengrong

利用2014年12月-2015年11月苏锡常地区国控大气环境质量监测站发布的逐时数据,分析了研究区PM2.5浓度的季节变化和空间分布特征,并利用HYSPLIT模型分析了大气污染物的输送路径及苏锡常地区PM2.5的潜在源区.结果表明,苏锡常地区PM2.5浓度日均值变化趋势基本一致,均呈现冬季高、夏季低的规律.PM2.5浓度四季空间差异显著,不同监测站之间的差异较小.四季PM2.5浓度与其它污染物之间相关性显著.单位面积污染物排放量与空气质量分布的空间错位,表明该地区PM2.5污染与区域性污染物迁移有较大关系.苏锡常地区气流后向轨迹季节变化特征明显,冬、春、秋季的气流主要来自西北内陆地区,夏季气流以东南和西南方向输入居多.聚类分析表明,来自内陆的污染气流和来自海洋的清洁气流是苏锡常地区两种主要输送类型,外源污染气流不仅直接输送颗粒物,还贡献了大量的气态污染物.山东南部、江苏西部、安徽东部、浙江北部及江西西北地区对苏锡常冬季PM2.5浓度贡献较大,春、夏、秋季的潜在源区主要分布在苏锡常本地和周边城市.


Transactions of the Chinese Society of Agricultural Engineering | 2010

Life cycle energy conservation and emissions reduction benefits of rural household biogas project.

Wang Mingxin; Xia XunFeng; Chai Yuhong; Liu Jianguo


Archive | 2013

Rice field irrigation method for reducing content of cadmium in rice

Liu Jianguo; Zhong Xiaomei; Wang Mingxin; Sun Xiangwu


Archive | 2013

Paddy field irrigation method for reducing lead content of paddy

Liu Jianguo; Huang Yicheng; Li Xueqi; Wang Mingxin


Archive | 2014

Method for lowering lead concentration of rice by applying selenium to rice field

Liu Jianguo; Zhang Wen; Wang Mingxin


Archive | 2013

Rice field phosphate fertilizer application method capable of reducing cadmium content in rice grains

Liu Jianguo; Ma Xinmei; Wang Mingxin


Archive | 2015

Irrigation method for reducing arsenic concentration of rice in fields with severe arsenic pollution

Liu Jianguo; Zhang Wen; Wang Mingxin


Archive | 2015

Silicon applying method for lowering concentration of cadmium of rice in rice field heavily polluted by cadmium

Liu Jianguo; Cai Hui; Wang Mingxin


Archive | 2017

Nitrogen fertilizer applying method for reducing Hg content of rice grains in heavy mercury pollution type rice field

Liu Jianguo; Sun Chenpeng; Wang Mingxin

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Zhang Wenyi

Anhui University of Technology

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Sun Xu

Electric Power Research Institute

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