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UV-Based Advanced Oxidation Processes for Antibiotic Resistance Control: Efficiency, Influencing Factors, and Energy Consumption

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Engineering 2024年第6期37卷 27-39页

作者： Jiarui Han Wanxin Li Yun Yang Xuanwei Zhang Siyu Bao Xiangru Zhang Tong Zhang Kenneth mei yee Leung Department of Civil and Environment Engineering The Hong Kong University of Science and TechnologyHong Kong 999077China Department of Civil Engineering The University of Hong KongHong Kong 999077China State Key Laboratory of Marine Pollution and Department of Chemistry City University of Hong KongHong Kong 999077China

Antibiotic resistant bacteria(ARB)with antibiotic resistance genes(ARGs)can reduce or eliminate the effectiveness of antibiotics and thus threaten human *** United Nations Environment Programme considers antibiotic resistance the first of six emerging issues of *** oxidation processes(AOPs)that combine ultraviolet(UV)irradiation and chemical oxidation(primarily chlorine,hydrogen peroxide,and persulfate)have attracted increasing interest as advanced water and wastewater treatment *** integrated technologies have been reported to significantly elevate the efficiencies of ARB inactivation and ARG degradation compared with direct UV irradiation or chemical oxidation alone due to the generation of multiple reactive *** this study,the performance and underlying mechanisms of UV/chlorine,UV/hydrogen peroxide,and UV/persulfate processes for controlling ARB and ARGs were reviewed based on recent *** affecting the process-specific efficiency in controlling ARB and ARGs were discussed,including biotic factors,oxidant dose,UV fluence,pH,and water matrix *** addition,the cost-effectiveness of the UV-based AOPs was evaluated using the concept of electrical energy per *** UV/chlorine process exhibited a higher efficiency with lower energy consumption than other UV-based AOPs in the wastewater matrix,indicating its potential for ARB inactivation and ARG degradation in wastewater *** studies are required to address the trade-off between toxic byproduct formation and the energy efficiency of the UV/chlorine process in real wastewater to facilitate its optimization and application in the control of ARB and ARGs.

关键词： Advanced oxidation processes Ultraviolet/chlorine Ultraviolet/hydrogen peroxide Ultraviolet/persulfate Antibiotic resistant bacteria Antibiotic resistance genes

黄志伟之两首马来西亚中文艺术歌曲的表演分析

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黄志伟之两首马来西亚中文艺术歌曲的表演分析

作者：李姵萱（Lee chin yee）成都大学

学位级别：硕士

本论文探讨了1975年出生的杰出马来西亚华人作曲家黄志伟有影响力的作品。他以卓越的技艺将西方和亚洲音乐传统融为一体而闻名。黄志伟的作品,特别是2008年创作的《圆月中秋》和2017年创作的《情缘》,是马来西亚中文艺术歌曲这一发展中... 详细信息

本论文探讨了1975年出生的杰出马来西亚华人作曲家黄志伟有影响力的作品。他以卓越的技艺将西方和亚洲音乐传统融为一体而闻名。黄志伟的作品,特别是2008年创作的《圆月中秋》和2017年创作的《情缘》,是马来西亚中文艺术歌曲这一发展中体裁的显著例子。这些作品以其独特且文化丰富的作曲风格,突显了黄志伟对这一体裁的贡献。本研究考察了马来西亚中文艺术歌曲的历史和文化背景,重点关注其与华人移民的联系。通过对歌词和音乐的深入分析,笔者追溯了黄志伟作曲风格的发展。通过与黄志伟以及两位专业马来西亚华人歌唱家的访谈,本次研究进一步丰富了对其艺术发展的认识,并揭示了他的作品在现代古典音乐中的更广泛意义。分析不仅强调了黄志伟独特的作曲风格,还揭示了马来西亚中文艺术歌曲中所包含的多元文化遗产。本论文分为五章。第一章介绍了黄志伟的传记和其作曲方法概述。第二章概述了马来西亚中文艺术歌曲的历史背景。第三章详细探讨了2008年创作的《圆月中秋》和2017年创作的《情缘》的歌词、音乐和表演细节,包括与黄志伟及两位马来西亚华人专业歌手的访谈。第四章比较了中国和马来西亚华人歌唱家在中文艺术歌曲中的演唱风格。第五章对比了黄志伟2008年创作的《圆月中秋》、2017年创作的《情缘》和2021年创作的《遇见你》。附录中附有与作曲家及首次在马来西亚演唱这两首歌曲的歌唱家洪美枫和岑大伟的访谈记录。本研究强调了通过音乐来表达身份在马来西亚华人社区中的重要性,旨在保存其独特的文化遗产。它展示了马来西亚中文艺术歌曲如何将中国音乐传统与当地马来西亚元素相结合,促进文化交流,增强音乐欣赏和教育的兴趣,从而丰富社会的文化环境。

关键词：表演分析马来西亚中文艺术歌曲黄志伟

Molecule aging induced by electron attacking

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Journal of Energy Chemistry 2024年第6期93卷 519-525,I0013页

作者： Ping Song Yining Dong Xue Gong Mingbo Ruan Baoxin Ni Xuanhao mei Kun Jiang Weilin Xu State Key Laboratory of Electroanalytical Chemistry and Jilin Province Key Laboratory of Low Carbon Chemical Power Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022JilinChina School of Applied Chemistry and Engineering University of Science and Technology of Chin1Hefei 230026AnhuiChina Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Collaborative Innovation Center of Chemistry for Energy MaterialsDepartment of ChemistryFudan UniversityShanghai 200438China

Here we propose a new concept of"molecule aging":with some special treatment,a molecule could be"aged"by losing some unknown tiny particles or pieces from atoms in the molecule,Such"aging"or loss of unknown tiny particles does not change apparently its molecular structure or chemical composition,but some physicochemical properties could be changed *** further confirm such"molecule aging"via a long-term electron attacking to age water(H_(2)O)*** IR spectra show no structural difference between the fresh water and the aged one,while the NMR spectra show that the electron attacking can decrease the size of water *** facts indicate that the electron attacking indeed can"affect"the structure of water molecule slightly but without damaging to its basic molecule *** exploration reveals that the hydrogen evolution reaction(HER)activity of the aged water molecule is lower than the fresh water on the same Pt/C *** density functional theory calculations indicate that the shortened O-H bond in H_(2)O indeed can present lower HER activity,so the observed size decrease of water clusters from NMR probably could be attributed to the shortening of O-H bond in water *** results indicate significantly that the molecule aging can produce materials with new functions for new possible applications.

关键词： Aging of molecules Electron attacking Full width at half maxima Hydrogen evolution reaction

Early warning method for thermal runaway of lithium-ion batteries under thermal abuse condition based on online electrochemical impedance monitoring

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Journal of Energy Chemistry 2024年第5期92卷 74-86页

作者： Yuxuan Li Lihua Jiang Ningjie Zhang Zesen Wei Wenxin mei Qiangling Duan Jinhua Sun Qingsong Wang State Key Laboratory of Fire Science University of Science and Technology of ChinaAnhui 230026HefeiChin

Early warning of thermal runaway(TR)of lithium-ion batteries(LIBs)is a significant challenge in current application *** and effective TR early warning technology is urgently required considering the current fire safety situation of *** this work,we report an early warning method of TR with online electrochemical impedance spectroscopy(EIS)monitoring,which overcomes the shortcomings of warning methods based on traditional signals such as temperature,gas,and pressure with obvious delay and high *** in-situ data acquisition through accelerating rate calorimeter(ARC)-EIS test,the crucial features of TR were extracted using the RReliefF *** mechanisms corresponding to the features at specific frequencies were ***,a three-level warning strategy for single battery,series module,and parallel module was formulated,which can successfully send out an early warning signal ahead of the self-heating temperature of battery under thermal abuse *** technology can provide a reliable basis for the timely intervention of battery thermal management and fire protection systems and is expected to be applied to electric vehicles and energy storage devices to realize early warning and improve battery safety.

关键词： Online EIS measurement Lithium-ion batterysafety Multistage thermal runaway early warning Sensitivityanalysis

Sea-level change in coastal areas of china:Status in 2021

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Advances in Climate Change Research 2024年第3期15卷 515-524页

作者： Wen-Shan LI Hui WANG Wen-Xi XIANG Ai-mei WANG Wei-Qing XU Yu-Xi JIANG Xin-Hui WU Meng-Yuan QUAN National Marine Data and Information Service Tianjin 300171China Ocean University of chin1 Qingdao 266100China University of Michigan‒Shanghai Jiao Tong University Joint Institute Shanghai 200030China

The sea level in coastal areas of china reached the second highest in 2021,just after that recorded in *** force and dynamic analyses based on tide gauges,satellite observations,reanalysis data and regional numerical outputs were conducted to understand these abnormally high sea levels and determine their possible *** show that the coastal sea level of china had increased at an annual rate of 3.4±0.3 mm during 1980-2021,with an acceleration of 0.06±0.02 mm per *** superposition of significant oscillations of quasi-2,3-7,quasi-9,quasi-11,quasi-19 and 20-30 years contributed to the anomalously high sea *** negative-phased El Nino/Southern Oscillation was correlated with the anomalously high sea level and the north-south anti-phase pattern of the coastal sea level in ***,phase lags of 1-4 months occurred with the sea-level *** a decadal timescale,the Pacific Decadal Oscillation(PDO)was negatively correlated with the anomalous mean sea level(MSL),and the negative-phased PDO contributed to the anomalous sea-level change in ***,the monthly MSL peaked in April and July,and the contribution of wind stress to the anomalously high sea level was 38.5%in the south of the Taiwan Strait in April and 30%along the coast of china in *** results were consistent with the tide gauge and satellite *** agreement was also observed between the coastal sea-level fingerprint and the air and sea surface temperatures.

关键词： Sealevel La Nina PDO Wind stress

Effects of root morphology and anatomy on cadmium uptake and translocation in rice(Oryza sativa L.)

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Journal of Environmental Sciences 2019年第1期31卷 296-306页

作者： Lu Huang Wai chin Li Nora Fung yee Tam Zhihong Ye School of Life Sciences Sun Yat-sen University Department of Science and Environmental Studies The Education University of Hong Kong State Key Laboratory in Marine Pollution and Department of Chemistry City University of Hong Kong

A clear description of the certain mechanisms of cadmium(Cd) uptake and translocation in rice(Oryza sativa L.) may help to reduce Cd accumulation in rice grain. Hydroponic experiments were carried out to determine the effects of cultivation conditions(aerated and stagnant) on the uptake, translocation and subcellular distribution of Cd in relation to the morphology and anatomy of roots in two rice genotypes with different Cd accumulations in grains. Marked differences in morphology and anatomy were observed between these two genotypes under different cultivation conditions. Genotypes with low Cd accumulation in grains tended to develop fewer root tips per root surface area, larger root porosity and more mature apoplastic barriers. The stagnant cultivation condition decreased the number of root tips per root surface area but increased root porosity and accelerated apoplastic barrier formation in root *** Cd uptake studies revealed that rice plants with fewer number of root tips per root surface area reduced root Cd uptake ability, while mature apoplastic barriers increased root Cd retention in cell walls and the symplast. Thus, the fewer number of root tips per root surface area and the earlier formation of mature apoplastic barriers led to lower Cd uptake and translocation. The results indicated that the morphology and anatomy of roots could play important roles in Cd uptake and translocation in rice, and could be influenced by both genotype and cultivation conditions. The present results would be useful in screening and planting rice plants with low Cd accumulation.

关键词： Apoplastic barriers Cadmium Rice Root morphology

Graphical password： prevent shoulder-surfing attack using digraph substitution rules

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Frontiers of Computer Science 2017年第6期11卷 1098-1108页

作者： Lip yee POR chin Soon KU Amanul ISLAM Tan Fong ANG Department of Computer Science and Information Technology University of Malaya Kuala Lumpur 50603 Malaysia Department of Computer Science Universiti Tunku Abdul Rahman (Jalan Universiti) Kampar 31900 Malaysia

In this paper, a new scheme that uses digraph substitution rules to conceal the mechanism or activity re- quired to derive password-images is proposed. In the pro- posed method, a user is only required to click on one of the pass-image instead of both pass-images shown in each chal- lenge set for three consecutive sets. While this activity is sim- ple enough to reduce login time, the images clicked appear to be random and can only be obtained with complete knowl- edge of the registered password along with the activity rules. Thus, it becomes impossible for shoulder-surfing attackers to obtain the information about which password images and pass-images are used by the user. Although the attackers may know about the digraph substitution rules used in the pro- posed method, the scenario information used in each chal- lenge set remains. User study results reveal an average login process of less than half a minute. In addition, the proposed method is resistant to shoulder-surfing attacks.

关键词： graphical password authentication shoulder-surfing data and computer security digraph substitution rules

A Qualitative Examination of Teacher-Student Power-Sharing in chinese Classrooms:A Study in Hong Kong

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Frontiers of Education in china 2015年第2期10卷 251-273页

作者： mei-yee WONG Department of Social Sciences The Hong Kong Institute of EducationHong KongChina

This article explores the dynamics of power-sharing between teacher and students in learning and teaching situations,and describes the theoretical bases,implementation,and results of an empirical study in three elementary schools in Hong Kong Special Administrative Region of the People’s Republic of *** from 58 class observations and interviews with 50 students,25 teachers,and three school principals suggest that teachers can empower students by acknowledging their right to and responsibility for learning and by sharing power with ***-sharing classroom practice requires the dual efforts of teachers and students,and can be facilitated by the teachers’interactive teaching mode,students’cooperation and willingness to engage in learning,and school policy and culture,*** the power-sharing classrooms,teachers played the role of facilitators and students played as *** this article,theoretical implications for understanding power-sharing and critical pedagogy are *** empirical evidence from this Hong Kong study contributes to an understanding of teacher-initiated power-sharing in the chinese context,and the practice of critical pedagogy in classrooms.

关键词： power-sharing critical pedagogy elementary schools Hong Kong education

Big data: the driver for innovation in databases

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National Science Review 2014年第1期1卷 27-30页

作者： Bin Cui Hong mei Beng chin Ooi School of EECS and Key Laboratory of High Conidence Software Technologies Peking University School of Computing National University of Singapore

INTRODUCTION Advances in the technology frontier have resulted in major disruptions and transformations in the enterprise-wide information technology *** the past three decades,classical database management systems have maintained a feverish pace in realizing signiicant eiciencies in dealing with the vast amount of information that needs to be maintained to model the operational characteristics of large-scale *** research and

关键词： Big data the driver for innovation in databases