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Simultaneous immobilization of multiple heavy metal(loid)s in contaminated water and alkaline soil inoculated Fe/Mn oxidizing bacterium

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Journal of Environmental Sciences 2025年第1期147卷 370-381页

作者： Yi wu Shengli Wang Jun Xu Fei Zang Song Long Yining wu Yuqing Wang Zhongren Nan Technology Research Center for Pollution Control and Remediation of Northwest Soil and Groundwater College of Earth and Environmental SciencesLanzhou UniversityLanzhou 730000China State Key Laboratory of Grassland Agro-ecosystems College of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhou 730000China

Two strains of Fe/Mn oxidizing bacteria tolerant to high concentrations of multiple heavy metal(loid)s and efficient decontamination for them were *** surface of the bio-Fe/Mn oxides produced by the oxidation of Fe(II)and Mn(II)by Pseudomonas taiwanensis(marked as P4)and Pseudomonas plecoglossicida(marked as G1)contains rich reactive oxygen functional groups,which play critical roles in the removal efficiency and immobilization of heavymetal(loid)s in co-contamination *** isolated strains P4 and G1 can growwell in the following environments:pH 5-9,NaCl 0-4%,and temperature 20-30℃.The removal efficiencies of Fe,Pb,As,Zn,Cd,Cu,and Mn are effective after inoculation of the strains P4 and G1 in the simulated water system(the initial concentrations of heavy metal(loid)were 1 mg/L),approximately reaching 96%,92%,85%,67%,70%,54%and 15%,*** exchangeable and carbonate bound As,Cd,Pb and Cu are more inclined to convert to the Fe-Mn oxide bound fractions in P4 and G1 treated soil,thereby reducing the phytoavailability and bioaccessible of heavy metal(loid)*** research provides alternatives method to treat water and soil containing high concentrations of multi-heavy metal(loid)s.

关键词： Bio-Fe/Mn oxides Pseudomonas Heavy metal(loid)s Removal and immobilization

基质培水分传感器埋设位置对温室番茄生长特性的影响

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灌溉排水学报 2016年第9期35卷 40-44,50页

作者：曹少娜李建设高艳明吴素萍李娟宁夏大学农学院银川750021 宁夏大学数学与计算机学院银川750021

为研究实时控制灌溉系统的基质培水分传感器埋设位置对温室番茄生长特性的影响,以番茄圣尼斯红果7846为试验材料,采用随机区组试验设计,即将水分传感器距滴头水平距离(5、10、15 cm)和距滴头垂直距离(10、15 cm)结合后埋设,分析了不同... 详细信息

为研究实时控制灌溉系统的基质培水分传感器埋设位置对温室番茄生长特性的影响,以番茄圣尼斯红果7846为试验材料,采用随机区组试验设计,即将水分传感器距滴头水平距离(5、10、15 cm)和距滴头垂直距离(10、15 cm)结合后埋设,分析了不同处理对番茄的生长指标、光合指标、品质、产量、干物质及灌溉指标的影响。结果表明,T3处理(距滴头水平距离10 cm,距滴头垂直距离10 cm)生长指标较好,根系发达,根冠比最大,净光合速率较高,蒸腾速率较小,干物质积累最多,果实VC量显著高于其他处理。T4处理(距滴头水平距离10 cm,距滴头垂直距离15 cm)净光合速率和光能转化率均最高,糖酸比较高,但是,T4处理水分生产效率显著低于T3处理。综合分析,基质培水分传感器距滴头水平距离10 cm,距滴头垂直距离10 cm埋设较合理。

关键词：番茄自动化灌溉系统基质传感器埋设位置

Water quality analysis and source apportionment in estuaries along the coast of the Bohai Sea,North China

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Journal of Oceanology and Limnology 2025年第1期43卷 73-89页

作者： Guanghong wu Dan YE Wei LUO Tianjin Key Laboratory of Water Resources and Environment Tianjin Normal UniversityTianjin 300387China Laboratory of Solid Waste Treatment and Recycling Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China

High-dimensional data(a dataset with many features)were collected from 64 sampling sites to analyze the water quality in estuaries along the coast of the Bohai Sea,North *** twenty-five water quality parameters analyzed were collected monthly from January 2021 to December *** statistical techniques,such as the absolute principal component score-multiple linear regression model(APCS-MLR),correlation analysis,and analysis of variance were used to identify and quantify the potential sources or factors affecting water quality and to analyze the spatial-temporal variation in water *** water quality indices(WQIs),ranging from 67.96 to 70.67,showed that the water quality was at an intermediate level in the estuaries during both the flood and nonflood *** concentrations of total phosphorus(TP),ammonia N(AN),and organic pollutants were greater in the Haihe River Basin than in the Liaohe River and Huanghe-Huaihe River *** concentration of total nitrogen(TN)in the Haihe River Basin was lower than that in the Liaohe River and Huanghe-Huaihe River *** metal concentrations in the Liaohe River Basin were greater than those in the Haihe River and Huanghe-Huaihe River *** annual mean concentrations of AN in the estuaries of the Haihe,Liaohe,and Huanghe(Yellow)rivers exhibited significant decreasing trends from 2013 to 2022,but no significant decreasing trends were found for permanganate index(COD_(Mn))or the *** concentrations of TN and AN were lower in the flood season than in the nonflood season,and the TP concentration was greater in the flood season than in the nonflood ***,the concentrations of organic pollutants did not exhibit significant *** sewage and industrial wastewater,substance exchange between air and water,nonpoint sources from rural and urban areas,and aquaculture wastewater were the major sources or factors responsible for water pollution in the estuaries.

关键词： water quality spatial-temporal variation source apportionment absolute principal component score-multiple linear regression estuary Bohai Sea

严肃游戏用于辅助社区老年人轻度认知障碍筛查的效果验证

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护理与康复 2024年第4期23卷 6-11页

作者：陈霞吴素平陈圆圆丽水市人民医院浙江丽水323000

目的自行设计一款严肃游戏(打地鼠游戏),并探究其对辅助社区老年人轻度认知障碍筛查的效果。方法采用便利抽样法在社区招募178名老年人,将其分为非认知障碍组(109例)和轻度认知障碍组(69例)。比较两组老年人在两种游戏模式(限时模式、... 详细信息

目的自行设计一款严肃游戏(打地鼠游戏),并探究其对辅助社区老年人轻度认知障碍筛查的效果。方法采用便利抽样法在社区招募178名老年人,将其分为非认知障碍组(109例)和轻度认知障碍组(69例)。比较两组老年人在两种游戏模式(限时模式、非限时模式)下的慢、中、快3种速度等级的游戏得分和反应时间,分析其与两组老年人简易智力状态检查量表得分的差异性和相关性。结果差异性检验结果显示:两组老年人在限时模式下(速度等级快、中)的游戏总分差异有统计学意义(t=17.749,P<0.001;t=17.515,P<0.001),速度等级快、中的游戏反应时间差异有统计学意义(Z=10.070,P<0.001;Z=7.991,P<0.001)。Pearson检验显示:两组老年人在限时模式下(速度等级快、中)的游戏总分与其简易智力状态检查量表得分呈正相关(r=0.765,r=0.652),速度等级快、中的游戏反应时间与其简易智力状态检查量表得分呈负相关(r=-0.607,r=-0.644)。logistic回归分析显示:限时模式下的快速、中速游戏得分差异具有统计学意义(P<0.001)。限时模式下快速、中速等级游戏得分曲线下面积分别为0.966、0.961,最佳截断点分别为13.5、14.5。结论本研究严肃游戏的限时模式下快速、中速游戏得分在辅助社区老年人轻度认知障碍筛查方面具有可行性,建议以常规普查游戏的形式应用于社区老年人的筛查。

关键词：严肃游戏老年人轻度认知障碍认知功能

水分传感器埋设位置对温室基质栽培番茄生长特性的影响

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浙江农业学报 2017年第6期29卷 933-942页

作者：曹少娜李建设高艳明吴素萍刘梦锦李娟宁夏大学农学院宁夏银川750021 宁夏现代设施园艺工程技术研究中心宁夏银川750021 宁夏大学信息工程学院宁夏银川750021

为研究实时控制灌溉系统下水分传感器埋设位置对温室基质栽培番茄生长特性的影响,提高温室基质栽培水分管理的精准化、智能化。以京番301为试验材料,采用单因素随机区组试验设计,共设6个处理,每处理重复3次,共需18个水分传感器。采用相... 详细信息

为研究实时控制灌溉系统下水分传感器埋设位置对温室基质栽培番茄生长特性的影响,提高温室基质栽培水分管理的精准化、智能化。以京番301为试验材料,采用单因素随机区组试验设计,共设6个处理,每处理重复3次,共需18个水分传感器。采用相同的水分上下限指导灌溉,分析不同处理对番茄的生长指标、光合指标、品质、产量、干物质、灌溉指标及植株养分的影响。结果表明,T3(距滴头水平距离10 cm,距滴头垂直距离10 cm)处理生长指标较好,根系发达,净光合速率和蒸腾速率累计值均最大,植株鲜质量最大,干物质积累最多,根冠比也最大。T1(距滴头水平距离5 cm,距滴头垂直距离10 cm)处理植株养分积累最多,T4(距滴头水平距离10 cm,距滴头垂直距离15 cm)处理光能捕获效率最高。但T3处理番茄果实口感较好,Vc含量最高,产量最大为59 749.21 kg·hm^(-2),显著高于其他处理;水分生产效率也最高为9.58 kg·m^(-3),并显著优于T2(距滴头水平距离5 cm,距滴头垂直距离15 cm)处理。综上,对于基质槽栽培番茄来说,在采用1个水分传感器监测水分的条件下,将其埋设在距滴头水平距离10 cm,距滴头垂直距离10 cm位置更合理。

关键词：番茄基质传感器埋设位置

Topologically close-packed intermetallic alloy electrocatalysts for CO_(2) reduction towards high value-added multi-carbon chemicals

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Chinese Chemical Letters 2025年第1期36卷 6-7页

作者： Qiyan wu Qing Li State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China

The continuous combustion of unsustainable carbon-based fossil fuels has dramatically accelerated the increase in carbon dioxide(CO_(2))concentration in the atmosphere(from approximately278.3 ppm in 1750 to 417.9 ppm in 2023),which would exacerbate environmental problems such as greenhouse effect[1].The effective electrosynthesis of high value-added multi-carbon(C_(2+))chemicals(e.g.,ethanol,ethylene)from CO_(2) reduction reaction(CO_(2)RR)is a promising strategy to mitigate these environmental issues mentioned above but remains highly challenging due to the competition of hydrogen evolution reaction(HER)and low selectivity of target products.

关键词： intermetallic alloy carbon

Sex-dependent alterations in extracellular vesicles linking chronic spinal cord injury to brain neuroinflammation and neurodegeneration

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Neural Regeneration Research 2025年第2期20卷 483-484页

作者： Yun Li Junfang wu Department of Anesthesiology&Shock Trauma and Anesthesiology Research(STAR)CenterUniversity of Maryland School of MedicineBaltimoreMDUSA

Traumatic spinal cord injury(SCI)is a devastating exogenous injury with long-lasting consequences and a leading cause of death and disability *** in assistive technology,rehabilitative interventions,and the ability to identify and intervene in secondary conditions have significantly increased the long-term survival rate of SCI patients,with some people even living well into their seventh or eighth *** survival changes have led neurotrauma researchers to examine how SCI interacts with brain *** health and epidemiological data showed that patients with long-term SCI can have a lower life expectancy and quality of life,along with a higher risk of comorbidities and complications.

关键词： alterations inflammation injury

可控交联度的大豆油基水性聚氨酯的制备与研究

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涂料工业 2016年第8期46卷 41-46页

作者：杨清萍吴素平王新闻高静雅卿宁五邑大学化学与环境工程学院广东江门529020

以丙烯酸(AA)作为开环试剂,与环氧大豆油(ESO)反应制备可控羟基数的多元醇(AESO),再与聚醚二醇(PPG)、异氰酸酯(IPDI)、亲水单体二羟甲基丙酸(DMPA)、扩链剂三羟甲基丙烷(TMP)和中和剂三乙醇胺(TEA)等原料,制备出性能良好的大豆油基水... 详细信息

以丙烯酸(AA)作为开环试剂,与环氧大豆油(ESO)反应制备可控羟基数的多元醇(AESO),再与聚醚二醇(PPG)、异氰酸酯(IPDI)、亲水单体二羟甲基丙酸(DMPA)、扩链剂三羟甲基丙烷(TMP)和中和剂三乙醇胺(TEA)等原料,制备出性能良好的大豆油基水性聚氨酯乳液(SWPU)。通过傅里叶变换红外分析、热重分析和机械测试研究了涂膜的结构和物理性能,研究了AESO和PPG相对含量的变化对SWPU的黏度和稳定性以及涂膜的耐水性、热稳定性及力学性能的影响。结果表明:成功地以AESO改性水性聚氨酯,得到的SWPU乳液具有较好的稳定性,涂膜耐水性得到改善,且具有较好的热稳定性,拉伸强度得到提高,断裂伸长率有所下降。

关键词：丙烯酸酯化环氧大豆油可控交联度水性聚氨酯

Construction and primary characterization of cDNA expression library of Artemisia apiacea pollen

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Construction and primary characterization of cDNA expression...