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| 1 | Tree ring based streamflow reconstruction for the Upper Yellow River over the past 1234 years显示文摘We established a Juniperus przewalski tree ring width chronology, based on tree ring cores collected from the A’nyêmaqên Mountains. Statistical analysis showed that the chronology was highly correlated with instrumental streamflow records from previous August to current July from the Tangnaihai Station in the upper reaches of the Yellow River, with a correlation coefficient of 0.656. Streamflow for the upper reaches of the Yellow River was reconstructed for the past 1234 years. Low flow periods for the 11-year averaged streamflow reconstruction were definite as lower than mean plus 1 standard deviation, and high flow periods were higher than mean minus 1 standard deviation. Over the past 1234 years, high flows occurred 18 times, and low flows occurred 12 times. The main low flow periods were identified as AD 1140–1156, AD 1295–1309, AD 1473–1500, and AD 1820–1847, and the main high flow periods were identified as AD 846–873, and AD 1375–1400. Extremely low streamflow over the reconstruction period was seen during the late 15th century, coinciding with a widespread drought phenomenon, which took place in the northeastern Tibetan Plateau over the same period. Reconstructed streamflow shows significant low-frequency variability, which is in line with drought variability of neighboring regions, as inferred from tree rings and other proxies. Multi-taper spectral analysis suggests the existence of significant periods of 2–5, 22, 35–38, 55–62, and 114–227 years, particularly significant for cyclic variations of years 159 and 36. | GOU XiaoHua DENG Yang CHEN FaHu YANG MeiXue FANG KeYan GAO LinLin YANG Tao ZHANG Fen | 2010 | Chinese Science Bulletin2010，55，36： | 37 |
| 2 | Size distribution and diffuse pollution impacts of PAHs in street dust in urban streams in the Yangtze River Delta显示文摘Particles of dust washed off streets by stormwater are an important pathway of polyaromatic hydrocarbons(PAHs) into urban streams.This article presented a comprehensive assessment of the size distribution of PAHs in street dust particles,the potential risks of the particles in urban streams,and the sources and sinks of PAHs in the stream network.This assessment was based on measurements of 16 PAHs from the USEPA priority list in street dust particles and river sediments in Xincheng,China.The content of total PAHs ranged from 1629 to 8986 μg/kg in street dust particles,where smaller particles have a higher concentrations.Approximately 55% of the total PAHs were associated with particles less than 250 μm which accounted for 40% of the total mass of street dust.The PAH quantities increased from 2.41 to 46.86 μg/m2 in the sequence of new residential,rising through main roads,old town residential,commercial and industrial areas.The sediments in stream reaches in town were found to be sinks for street dust particle PAHs.The research findings suggested that particle size,land use and the hydrological conditions in the stream network were the factors which most influenced the total loads of PAH in the receiving water bodies. | ZHAO Hongtao YIN Chengqing CHEN Meixue WANG Weidong Jefferies Chris SHAN Baoqing | 2009 | Journal of Environmental Sciences2009，21，2： | 17 |
| 3 | Simultaneous determination of three classes of antibiotics in the suspended solids of swine wastewater by ultrasonic extraction,solid-phase extraction and liquid chromatography-mass spectrometry显示文摘This work describes a systematic approach to the development of a method for simultaneous determination of three classes of veterinary antibiotics in the suspended solids (SS) of swine wastewater,including five sulfonamides,three tetracyclines and one macrolide (tiamulin).The entire procedures for sample pretreatment,ultrasonic extraction (USE),solid-phase extraction (SPE),and liquid chromatography-mass spectrometry (LC-MS) quantification were examined and optimized.The recovery efficiencies were found to be 76%-104% for sulfonamides,81%-112% for tetracyclines,and 51%-64% for tiamulin at three spiking levels.The intra-day and inter-day precisions,as expressed by the relative standard deviation (RSD),were below 17%.The method detection limits (MDLs) were between 0.14 and 7.14 μg/kg,depending on a specific antibiotic studied.The developed method was applied to field samples collected from three concentrated swine feeding plants located in Beijing,Shanghai and Shandong province of China.All the investigated antibiotics were detected in both SS and liquid phase of swine wastewater,with partition coefficients (logK d) ranging from 0.49 to 2.30.This study demonstrates that the SS can not be ignored when determining the concentrations of antibiotics in swine wastewater. | Xun Pan Zhimin Qiang Weiwei Ben Meixue Chen | 2011 | Journal of Environmental Sciences2011，23，10： | 16 |
| 4 | A 457-year reconstruction of precipitation in the southeastern Qinghai-Tibet Plateau,China using tree-ring records显示文摘This paper presents a 457-year reconstruction of precipitation in the southeastern Qinghai-Tibet Plateau using tree-ring records.Tree-ring samples were collected from the Hengduan Mountains in the southeastern part of the Qinghai-Tibet Plateau,China.A nearly 500-year chronology was developed using tree-ring width records.Correlation analysis shows moisture is the main factor limiting tree growth in this region.Ring-widths were significantly positively correlated with the Palmer Drought Severity Index(PDSI) and precipitation in many months.The highest correlation coefficient was found between the annual growth of trees and precipitation from the previous September to the current June(0.738).Based on this relationship,we reconstructed the precipitation history from 1509 to 2006.The reconstruction explains 54.4%(Radj2=53.5%,N=49,F=56.12) of the actual precipitation variation during the calibration period(1958-2006).During the reliable period of the reconstruction(1549-2006),some low-frequency climate signals are included,indicating this region has been getting wetter in the last 20 years.The reconstruction documents six apparently dry and five pluvial periods and the 17th century dry period lasted longer than any other.When compared with other recent studies,this study and these earlier reconstructions show a similar trend in the variation of drought and pluvial.Further spatial correlation analysis confirms that the reconstructed precipitation adequately represents the rainfall history of the entire Hengduan Mountain area.The Multi-taper method,a type of spectral analysis,reveals that precipitation in this area had significant(P<0.01) spectral peaks at 3-5 a,60 a and 79-85 a. | GOU XiaoHua YANG Tao GAO LinLin DENG Yang YANG MeiXue CHEN FaHu | 2013 | Chinese Science Bulletin2013，58，10： | 16 |
| 5 | Advanced treatment of municipal wastewater by nanofiltration: Operational optimization and membrane fouling analysis显示文摘Municipal sewage from an oxidation ditch was treated for reuse by nanofiltration(NF) in this study. The NF performance was optimized, and its fouling characteristics after different operational durations(i.e., 48 and 169 hr) were analyzed to investigate the applicability of nanofiltration for water reuse. The optimum performance was achieved when transmembrane pressure = 12 bar, p H = 4 and flow rate = 8 L/min using a GE membrane. The permeate water quality could satisfy the requirements of water reclamation for different uses and local standards for water reuse in Beijing. Flux decline in the fouling experiments could be divided into a rapid flux decline and a quasi-steady state. The boundary flux theory was used to predict the evolution of permeate flux. The expected operational duration based on the 169-hr experiment was 392.6 hr which is 175% longer than that of the 48-hr one. High molecular weight(MW) protein-like substances were suggested to be the dominant foulants after an extended period based on the MW distribution and the fluorescence characteristics. The analyses of infrared spectra and extracellular polymeric substances revealed that the roles of both humic- and polysaccharide-like substances were diminished, while that of protein-like substances were strengthened in the contribution of membrane fouling with time prolonged. Inorganic salts were found to have marginally influence on membrane fouling. Additionally, alkali washing was more efficient at removing organic foulants in the long term, and a combination of water flushing and alkali washing was appropriate for NF fouling control in municipal sewage treatment. | Kun Li Jianxing Wang Jibao Liu Yuansong Wei Meixue Chen | 2016 | Journal of Environmental Sciences2016，28，5： | 14 |
| 6 | Decentralized wastewater treatment technologies and management in Chinese villages显示文摘在中国在农村区域对待污水的问题在最近的年里吸引了增加的注意。然而,仅仅,有的 6% 农村区域在 2010 底喷洒排水和废水处理系统。估计当前使用的技术是必要的以便在农村区域的污水处理能适当地被开发,到提供可靠、买得起的废水处理,在这些区域。我们评估了在各一直在操作至少一年了的 62 台设备上进行案例研究当前在农村区域使用的污水处理技术。我们的学习在 2009 和 2011 之间被执行,并且目的是在那经期期间估计状况并且估计在村庄里涉及分散的污水治疗的任何问题。我们发现那个分散的污水处理是村庄里的最流行的废水处理方法,并且最普通的主要处理技术在农村区域使用了,这是化粪池。我们的调查加亮需要为估计自河质量建立标准,包括目标污染物质的一个范围。我们的结果也证明自河应该被再使用在不同区域满足本地环境要求,特别在生态地敏感的区域。 | Xuesong GUO Zehang LIU Meixue CHEN Junxin LIU Min YANG | 2014 | Frontiers of Environmental Science & Engineering2014，8，6： | 13 |
| 7 | Molecular mechanisms of salinity tolerance in rice显示文摘Salinity is one of the major abiotic stresses which impose constraints to plant growth and production.Rice(Oryza sativa L.)is one of the most important staple food crops and a model monocot plant.Its production is expanding into regions that are affected by soil salinity,requiring cultivars more tolerant to saline conditions.Understanding the molecular mechanisms of such tolerance could lay a foundation for varietal improvement of salt tolerance in rice.In spite of extensive studies exploring the mechanism of salt tolerance,there has been limited progress in breeding for increased salinity tolerance.In this review,we summarize the information about the major molecular mechanisms underlying salinity tolerance in rice and further discuss the limitations in breeding for salinity tolerance.We show that numerous gene families and interaction networks are involved in the regulation of rice responses to salinity,prompting a need for a comprehensive functional analysis.We also show that most studies are based on whole-plant level analyses with only a few reports focused on tissue-and/or cell-specific gene expression.More details of salt-responsive channel and transporter activities at tissue-and cell-specific level still need to be documented before these traits can be incorporated into elite rice germplasm.Thus,future studies should focus on diversity of available genetic resources and,particular,wild rice relatives,to reincorporate salinity tolerance traits lost during domestication. | Tianxiao Chen Sergey Shabala Yanan Niu Zhong-Hua Chen Lana Shabala Holger Meinke Gayatri Venkataraman Ashwani Pareek Jianlong Xu Meixue Zhou | 2021 | The Crop Journal2021，9，3： | 11 |
| 8 | Biotransformation of nonylphenol ethoxylates during sewage treatment under anaerobic and aerobic conditions显示文摘ethoxylates (NPEO ) 在连续厌氧的污水处理期间与污水的氧气的治疗相比的 nonylphenol 的 Biotransformation 在 90 d 的经期上与 23 μ m ol/L 刺了技术 NPEO。NPEO 的立即的降级在厌氧、氧气的条件下面被观察,显示酶和细菌为 NPEO 要求降级在氧气、厌氧的污泥富有地存在。两个处理完成了高移动(>92%) 刺的 NPEO9 混合。液体层析团光谱测定(最小公倍数)分析显示出积累在的那短链的 NPEO ( NPEO1 NPEO3 )厌氧( 2.01 2.56 μm ol/L )并且氧气( 1.62 2.03 μm ol/L )自河,与 nonylphenol ( NP )( 0.24 0.31 μm ol/L )作为在厌氧的自河的另一组代谢物,并且在氧气的自河的 nonylphenoxy 羧化物( NPEC )( 2.79 3.30 μm ol/L )。在厌氧的污泥的 NP 和在二个反应堆的污泥的 NPEO1 3 的重要累积被观察。这些结果显示在常规处理过程控制这些有害代谢物是困难的。污泥样品的使中毒的坡度胶化电气泳动侧面支持 NPEO 降级细菌可能是主导的土生土长的种类的推测。 | ZHANG Jing YANG Min ZHANG Yu CHEN Meixue | 2008 | Journal of Environmental Sciences2008，20，2： | 6 |
| 9 | Effects of chlortetracycline,Cu and their combination on the performance and microbial community dynamics in swine manure anaerobic digestion显示文摘Swine manure was typical for the combined pollution of heavy metals and antibiotics. The effects of widely used veterinary antibiotic chlortetracycline(CTC), Cu and their combination on swine manure anaerobic digestion performance and microbial community have never been investigated. Thus, four 2 L anaerobic digestion reactors were established including reactor A(control), B(CTC spiked by 0.5 g/kg dry weight, dw), C(Cu spiked by 5 g/kg dw) and D(combination of CTC, 0.5 g/kg dw, and Cu, 5 g/kg dw), and dynamics of bacterial and archaeal community structure was investigated using high throughput sequencing method. Results showed that addition of CTC and Cu separately could increase the total biogas production by21.6% and 15.8%, respectively, while combination of CTC and Cu severely inhibited anaerobic digestion(by 30.3%). Furthermore, corresponding to different stages and reactors, four kinds of microbes including bacteria and archaea were described in detail, and the effects of CTC, Cu and their combination mainly occurred at hydrolysis and acidification phases. The addition of Cu alone changed the dynamics of archaeal community significantly. It was genus Methanomassiliicoccus that dominated at the active methane production for A, B and D, while it was genus Methanobrevibacter and Methanoculleus for C. | Rui Wang Junya Zhang Jibao Liu Dawei Yu Hui Zhong Yawei Wang Meixue Chen Juan Tong Yuansong Wei | 2018 | Journal of Environmental Sciences2018，30，5： | 5 |
| 10 | Review on simulation of land-surface processes on the Tibetan Plateau显示文摘The Tibetan Plateau(TP) has powerful dynamics and thermal effects, which makes the interaction between its land and atmosphere significantly affect climate and environment in the regional or global area. By retrospecting the latest research progress in the simulation of land-surface processes(LSPs) over the past 20 years, this study discusses both the simulation ability of land-surface models(LSMs) and the modification of parameterization schemes from two perspectives, the models' applicability and improved parameterization schemes. Our review suggests that different LSMs can well capture the spatiotemporal variations of the physical quantities of LSPs; but none of them can be fully applied to the plateau, meaning that all need to be revised according to the characteristics specific to the TP. Avoiding the unstable iterative computation and determining the freeze-thaw critical temperature according to the thermodynamic equilibrium equation, the unreasonable freeze-thaw parameterization scheme can be improved. Due to the complex underlying surface of the TP, no parameterization scheme of roughness length can well simulate the various characteristics of the turbulent flux over the TP at different temporal scales. The uniform soil thermodynamic and hydraulic parameterization scheme is unreasonable when it is applied to the plateau, as a result of the strong soil heterogeneity. There is little research on the snow-cover process so far,and the improved scheme has no advantage over the original one due to the lack of some related physical processes. The constant interaction among subprocesses of LSPs makes the improvement of a multiparameterization scheme yield better simulation results. According to the review of existing research, adding high-quality observation stations, developing a parameterization scheme suitable for the special LSPs of the TP, and adjusting the model structures can be helpful to the simulation of LSPs on the TP. | Rui Chen MeiXue Yang XueJia Wang GuoNing Wan | 2019 | Research in Cold and Arid Regions2019，11，2： | 2 |
| 11 | Integrated real-time control strategy for nitrogen removal in swine wastewater treatment using sequencing batch reactors 显示文摘 | Ju-Hyun Kim Meixue Chen Naohiro Kishida | 2004 | Water Research2004，，38： | 1 |
| 12 | pH-activatable oxidative stress amplifying dissolving microneedles for combined chemo-photodynamic therapy of melanoma显示文摘Photodynamic therapy(PDT)-mediated oxidation treatment is extremely attractive for skin melanoma ablation,but the strong hydrophobicity and poor tumor selectivity of photosensitizers,as well as the oxygen-consuming properties of PDT,leading to unsatisfactory therapeutic outcomes.Herein,a tumor acidic microenvironment activatable dissolving microneedle(DHA@HPFe-MN)was developed to realize controlled drug release and excellent chemo-photodynamic therapy of melanoma via oxidative stress amplification.The versatile DHA@HPFe-MN was fabricated by crosslinking a self-synthesized protoporphyrin(PpIX)-ADH-hyaluronic acid(HA)conjugate HA-ADH-PpIX with“iron reservoir”PA-Fe 3+complex in the needle tip via acylhydrazone bond formation,and dihydroartemisinin(DHA)was concurrently loaded in the hydrogel network.HA-ADH-PpIX with improved water solubility averted undesired aggregation of PpIX to ensure enhanced PDT effect.DHA@HPFe-MN with sharp needle tip,efficient drug loading and excellent mechanical strength could efficiently inserted into skin and reach the melanoma sites,where the acidic pH triggered the degradation of microneedles,enabling Fe-activated and DHA-mediated oxidation treatment,as evidenced by abundant reactive oxygen species(ROS)generation.Moreover,under light irradiation,a combined chemo-photodynamic therapeutic effect was achieved with amplified ROS generation.Importantly,the Fe-catalyzed ROS production of DHA was oxygen-independent,which work in synergy with the oxygen-dependent PDT to effectively destroy tumor cells.This versatile microneedles with excellent biosafety and biodegradability can be customized as a promising localized drug delivery system for combined chemo-photodynamic therapy of melanoma. | Yanjuan Huang Hualu Lai Jingwen Jiang Xiaoyu Xu Zishan Zeng Lingling Ren Qiuxing Liu Meixu Chen Tao Zhang Xin Ding Chunshun Zhao Shengmiao Cui | 2022 | Asian Journal of Pharmaceutical Sciences2022，17，5： | 1 |
| 13 | Potassium and sodium relations in salinised barley tissues as a basis of differential salt tolerance显示文摘 | CHEN Zhonghua ZHOU Meixue NEWMAN I A | | 0，，02： | 1 |
| 14 | Residual veterinary antibiotics in swine manure from concentrated animal feeding operations in Shandong Province, China显示文摘 | Xun Pan Zhimin Qiang Weiwei Ben Meixue Chen | 2011 | Chemosphere2011，，5： | 1 |
| 15 | Effects of aluminum and cadmium toxicity on growth and antioxidant enzyme activities of two barley genotypes with different Al resistance显示文摘 | Tianrong Guo Guoping Zhang Meixue Zhou Feibo Wu Jinxin Chen | 2004 | Plant and Soil2004，，1： | 1 |
| 16 | Integrated real-time control slrategy for nitrogen removal in swine wastewater treatment using sequencing batch reactors 显示文摘 | Ju-Hyun Kim Meixue Chen Naohiro Kishida | 2004 | Water Res2004，38，： | 1 |
| 17 | Inte- grated real-time control strategy for nitrogen removal in swine wastewater treatment using sequencing batch reac- tors 显示文摘 | Kim Ju-Hyun Chen Meixue Kishida Naohiro | 2004 | Water Res2004，38，1415： | 1 |
| 18 | Effects of aluminum and cadmium toxicity on growth and antioxidant enzyme activities of two barley genotypes with different Al resistance显示文摘 | Tianrong Guo Guoping Zhang Meixue Zhou Feibo Wu Jinxin Chen | 2004 | Plant and Soil2004，，1： | 1 |
| 19 | Residual veterinary antibiotics in swine manure from concentrated animal feeding operations in Shandong Province, China显示文摘 | Xun Pan Zhimin Qiang Weiwei Ben Meixue Chen | 2011 | Chemosphere2011，，5： | 1 |
| 20 | Bactericidal Mechanism of Ag/Al203against Escherichia coli显示文摘 | Qingyun Chang Lizhu Yan Meixue Chen HongHe Jiuhui Qu | 2007 | Langmuir2007，23，11： | 1 |
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