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A review on treatment of disinfection byproduct precursors by biological activated carbon process

Chinese Chemical Letters 2022年第10期33卷 4495-4504页

作者： Jie Fu Ching-Hua Huang Chenyuan Dang Qilin Wang School of Environmental Science and Engineering Huazhong University of Science and TechnologyWuhan 430074China School of Civil and Environmental Engineering Georgia Institute of TechnologyAtlantaGA 30332United States center for Technology in Water and Wastewater School of Civil and Environmental EngineeringUniversity of Technology SydneySydneyNew South Wales 2007Australia

Disinfection by-products(DBPs)in water systems have attracted increasing attention due to their toxic *** of precursors(mainly natural organic matter(NOM))prior to the disinfection process has been recognized as the ideal strategy to control the DBP ***,biological activated carbon(BAC)process is a highly recommended and prevalent process for treatment of DBP precursors in advanced water *** paper first introduces the fundamental knowledge of BAC process,including the history,basic principles,typical process flow,and basic operational ***,the selection of BAC process for treatment of DBP precursors is explained in detail based on the comparative analysis of dominant water treatment technologies from the aspects of mechanisms for NOM removal as well as the treatability of different groups of DBP ***,a thorough overview is presented to summarize the recent developments and breakthroughs in the removal of DBP precursors using BAC process,and the contents involved include effect of pre-BAC ozonation,removal performance of various DBP precursors,toxicity risk reduction,fractional analysis of NOM,effect of empty bed contact time(EBCT)and engineered ***,some recommendations are made to strengthen current research and address the knowledge gaps,including the issues of microbial mechanisms,toxicity evaluation,degradation kinetics and microbial products.

关键词： Disinfection byproduct precursor Biological activated carbon Formation potential Natural organic matter Empty bed contact time Ozonation

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Stress wave propagation and incompatible deformation mechanisms in rock discontinuity interfaces in deep-buried tunnels

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Deep Underground Science and Engineering 2022年第1期1卷 25-39页

作者： Cong Zhang Zhende Zhu Shanyong Wang Xuhua Ren Chong Shi State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering Hohai UniversityNanjingChina Priority Research center for Geotechnical Science and Engineering The University of NewcastleCallaghanNew South WalesAustralia Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering Hohai UniversityNanjingChina

Complex weak structural planes and fault zones induce significant heterogeneity,discontinuity,and nonlinear characteristics of a rock *** an earthquake occurs,these characteristics lead to extremely complex seismic wave propagation and vibrational behaviors and thus pose a huge threat to the safety and stability of deep buried *** investigate the wave propagation in a rock mass with different structural planes and fault zones,this study first introduced the theory of elastic wave propagation and elastodynamic principles and used the Zoeppritz equation to describe wave field decomposition and develop a seismic wave response model ***,a physical wave propagation model was constructed to investigate seismic waves passing through a fault,and dynamic damage was analyzed by using shaking table ***,stress wave attenuation and dynamic incompatible deformation mechanisms in a rock mass with fault zones were *** results indicate that under the action of weak structural planes,stress waves appear as a complex wave field decomposition *** a stress wave spreads to a weak structural plane,its scattering may transform into a tensile wave,generating tensile stress and destabilizing the rock mass;wave dynamic energy is absorbed by a low-strength rock through wave scattering,which significantly weakens the seismic *** propagation accelerates the initiation and expansion of internal defects in the rock mass and leads to a dynamic incompatible *** is one of the main causes for large deformation and even instability within rock *** findings provide an important reference and guide with respect to stability analysis of rock mass with weak structural planes and fault zones.

关键词： deep-buried tunnels fractured rock mass incompatible deformation mechanism rock interfaces stress wave propagation model

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A comprehensive evaluation of flowering plant diversity and conservation priority for national park planning in China

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Fundamental Research 2023年第6期3卷 939-950页

作者： Limin Lu Lina Zhao Haihua Hu Bing Liu Yuchang Yang Yichen You Danxiao Peng Russell L.Barrett Zhiduan Chen State Key Laboratory of Plant Diversity and Specialty Crops Institute of BotanyChinese Academy of SciencesBeijing 100093China University of Chinese Academy of Sciences Beijing 100049China Sino-Africa Joint Research center Chinese Academy of SciencesWuhan 430074China National Herbarium of New South wales Royal Botanic Gardens and Domain TrustSydneyLocked Bag 6002Mount Annan2567New South WalesAustralia

Establishment of a national park protection system in China,including the latest target proposed to protect at least 30%of the land area,calls for a comprehensive exploration of conservation priorities incorporating multiple diversity *** herein evaluate the spatial distribution of Chinese flowering plants from the perspectives of richness,uniqueness,vulnerability,and evolutionary history,by integrating three mega-phylogenies and comprehensive distribution *** detect significantly high consistency among hotspots of different diversity measures for Chinese flowering plants,suggesting that multiple facets of evolutionary diversity are concentrically distributed in *** legal protection to these areas is expected to maximize positive conservation *** propose two integrative diversity indices by incorporating three richness-based and three phylogeny-based measures,*** methods identify areas with high species richness,but the integrative phylogeny-based index also locates key areas with ancient and unique evolutionary histories(e.g.,Ailao-Wuliang Mts,Dabie Mts,Hainan rainforest,Karst area of Yunnan-Guizhou-Guangxi,Nanling Mts,and southeast coastal regions).Of all the diversity indices explored,phylogenetic endemism maximizes the incidental protection of other indices in most cases,emphasizing its significance for conservation ***,42 priority areas are identified by combining the 5%-criterion hotspots of two integrative indices and the minimum area to protect all threatened species *** priorities cover only 13.3%of China's land area,but host 97.1%of species richness(23,394/24,095),96.5%of endemic species(11,841/12,274),100%of threatened species(2,613/2,613),and 99.3%of phylogenetic diversity for flowering plants involved in this *** frameworks provide a solid scientific basis for national park planning in China.

关键词： Biodiversity hotspots Conservation priorities Flowering plants Mega-phylogeny Phylogenetic diversity

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Bioinspired mechanically interlocking holey graphene@SiO_(2)anode

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Interdisciplinary Materials 2022年第4期1卷 517-525页

作者： Fei Wang Xiaobin Liao Haoyu Wang Yan Zhao Jian Mao Donald G.Truhlar College of Materials Science and Engineering Sichuan UniversityChengduChina State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhanChina School of Materials Science and Engineering University of New South WalesSydneyNew South WalesAustralia The Institute of Technological Sciences Wuhan UniversityWuhanChina Department of Chemistry Chemical Theory CenterMinnesota Supercomputing InstituteUniversity of MinnesotaMinneapolisMinnesotaUSA

Mechanically interlocking structures that can enhance adhesion at the interface and regulate the stress distribution have been widely observed in biological *** by the biological structures in the wings of beetles,we synthesized a holey graphene@SiO_(2)anode with strong mechanical interlocking,characterized it electrochemically,and explained its performance by finite element analysis and density functional calcula*** mechanically interlocking structure enhances lithium-ion(Li^(+))storage by transmitting the strain from SiO_(2)to the holey graphene and by a mechano-electrochemical coupling *** interlocking fit hinders the abscission of SiO_(2)and the distinctive structure reduces the stress and strain of SiO_(2)during(de)*** positive mechano-electrochemical coupling effect preserves the amount of electrochemically active phase(LixSi)during cycles and facilitates Li+***,the capacity shows only a slight attenuation after 8000 cycles(cycling stability),and the specific capacity is~1200 mA h g^(−1)at 5 A/g(rate-performance).This study furnishes a novel way to design high-performance Li^(+)/Na+/K^(+)/Al3^(+)anodes with large volume expansion.

关键词： holey graphene mechanically interlocking mechano-electrochemical coupling effect simulation SiO_(2) anode

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Tenecteplase Reperfusion therapy in Acute ischaemic Cerebrovascular Events-Ⅱ (TRACE Ⅱ): rationale and design

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Stroke & Vascular Neurology 2022年第1期7卷 71-76页

作者： Shuya Li Bruce C V Campbell Lee H Schwamm Marc Fisher Mark Parsons Hao Li Yuesong Pan Yongjun Wang China National Clinical Research center for Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Department of Neurology Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Department of Medicine and Neurology University of MelbourneMelbourneVictoriaAustralia Department of Neurology and Comprehensive Stroke center Massachusetts General HospitalHarvard Medical SchoolBostonMassachusettsUSA Neurology Beth Israel Deaconess Medical CenterBostonMassachusettsUSA Department of Neurology Liverpool HospitalSouth Western Sydney Clinical SchoolSydneyNew South WalesAustralia

Background and purpose Tenecteplase(TNK)is a promising agent for treatment of acute ischaemic stroke(AIS).We hypothesised that recombinant human TNK tissue-type plasminogen activator(rhTNK-tPA)is non-inferior to rt-PA in achieving excellent functional outcome at 90 days,when administered within 4.5 hours of ischaemic stroke *** and design Tenecteplase Reperfusion therapy in Acute ischemic Cerebrovascular Events(TRACE)is a phase Ⅲ,multicentre,prospective,randomised,open-label,blinded-end point non-inferiority *** eligible for intravenous thrombolysis therapy are randomised to rhTNK-tPA 0.25 mg/kg(single bolus)to a maximum of 25 mg or rt-PA 0.9 mg/kg(10%bolus+90%infusion/1 hour)to a maximum of 90 *** considered necessary for the patient’s health may be given at the discretion of the investigator during 90-day *** outcomes The primary study outcome is excellent functional outcome defined as modified Rankin Scale(mRS)0–1 at 90 *** efficacy outcomes include favourable functional outcome defined as mRS≤2 at 90 days,ordinal distribution of mRS and major neurological improvement on the National Institutes of Health Stroke *** outcomes are symptomatic intracranial haemorrhage within 36 hours and death from any *** There is no completed registration study of TNK in AIS *** Ⅱ strives to provide evidence for a new drug application for rhTNK-tPA in AIS within 4.5 hours through a well-designed and rigorously executed randomised trial in China.

关键词： infusion acute rational

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Inorganic/organic combination:Inorganic particles/polymer composites for tissue engineering applications

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Bioactive Materials 2023年第6期24卷 535-550页

作者： Astha Sharma Ganesh R.Kokil Yan He Baboucarr Lowe Arwa Salam Tariq A.Altalhi Qingsong Ye Tushar Kumeria School of Materials Science and Engineering University of New South WalesKensingtonSydneyNSW2052Australia Australian Centre for Nanomedicine University of New South WalesKensingtonSydneyNSW2052Australia Institute of Regenerative and Translational Medicine Department of StomatologyTianyou HospitalWuhan University of Science and TechnologyWuhan430030China Chemistry Department College of ScienceTaif UniversityTaif21944Saudi Arabia center of Regenerative Medicine Department of StomatologyRenmin Hospital of Wuhan UniversityWuhan430060China School of Pharmacy University of QueenslandWoolloongabbaQLD4102Australia

Biomaterials have ushered the field of tissue engineering and regeneration into a new era with the development of advanced *** these,the composites of inorganic materials with organic polymers present unique structural and biochemical properties equivalent to naturally occurring hybrid systems such as bones,and thus are highly *** last decade has witnessed a steady increase in research on such systems with the focus being on mimicking the peculiar properties of inorganic/organic combination composites in *** this review,we discuss the recent progress on the use of inorganic particle/polymer composites for tissue engineering and regenerative *** have elaborated the advantages of inorganic particle/polymer composites over their organic particle-based composite *** the inorganic particles play a crucial role in defining the features and regenerative capacity of such composites,the review puts a special emphasis on the various types of inorganic particles used in inorganic particle/polymer *** inorganic particles that are covered in this review are categorised into two broad types(1)solid(e.g.,calcium phosphate,hydroxyapatite,etc.)and(2)porous particles(e.g.,mesoporous silica,porous silicon etc.),which are elaborated in detail with recent *** review also covers other new types of inorganic material(e.g.,2D inorganic materials,clays,etc.)based polymer composites for tissue engineering ***,we provide our expert analysis and opinion of the field focusing on the limitations of the currently used inorganic/organic combination composites and the immense potential of new generation of composites that are in development.

关键词： Composites Regenerative medicine Inorganic nanomaterials Mesoporous silica Porous silicon

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Ecological Footprint Dynamics of Yunnan, China

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Journal of Mountain Science 2009年第3期6卷 286-292页

作者： LU Ying HE Daming Sam Buchanan LIU Jiang Asian International Rivers center Yunnan University Kunming 650091 China The University of New South wales Sydney 2025 Australia

A fundamental element of sustainable development is that humans live within nature's biological capacity. Quantifying this, however, remains a significant challenge for which there are many emerging tools. The concept of the Ecological Footprint is one such accounting tool for comprehensive assessment of the status of sustainable development, based on integration of resource consumption and land capacity, reflecting the human impact on the environment. A region's development is defined as unsustainable when the Ecological Footprint surpasses the biological capacity. In this paper, the Ecological Footprint concept was applied in assessing the development of Yunnan Province, China in a period between 1988 and 2006. The results showed that the Ecological Footprint per capita in Yunnan rose from 0.854 gha in 1988 to 2.11 gha in 2006. Ecological deficit, defined as when the human demand on the land surpasses the regions biological productive capacity, emerged in 1991 and quickly increased from 0.02 gha in 1991 to 1.05 gha in 2006. The increase in the ecological deficit is primarily a result of the rapid increase in population and consumption level. To achieve sustainable development in Yunnan, production and consumption rates need to be modified.

关键词：生态足迹云南省中国可持续发展生产能力生态赤字资源消耗消费水平

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Mapping frontier molecular orbitals using photocurrents

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Science China Materials 2023年第9期66卷 3761-3762页

作者： Ping Zhou J.Fraser Stoddart Hongliang Chen Stoddart Institute of Molecular Science Department of ChemistryZhejiang UniversityHangzhou 310027China ZJU-Hangzhou Global Scientific and Technological Innovation center Zhejiang UniversityHangzhou 311215China Department of Chemistry Northwestern University2145 Sheridan RoadEvanstonIllinois 60208USA School of Chemistry University of New South WalesSydneyNSW 2052Australia

In the regime of coherent transport, the conductance of a molecular junction is governed(Fig. 1a) by the probability of electron transmission between the metal electrodes, a physica property which is affected significantly by the hybridization of frontier molecular orbitals(FMOs) with the continuous band of energy levels on the electrodes.

关键词： frontier molecular orbitals

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Independent and Interactive Effects of Environmental Conditions on Aerosolized Surrogate SARS-CoV-2-Beijing,China,June to September 2020

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China CDC weekly 2022年第26期4卷 565-569,I0004,I0005页

作者： Yixin Mao Yueyun Luo Wenda Zhang Pei Ding Xia Li Fuchang Deng Kaiqiang Xu Min Hou Cheng Ding Youbin Wang Zhaomin Dong Raina MacIntyre Xiaoyuan Yao Song Tang Dongqun Xu China CDC Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina Chinese center for Disease Control and Prevention BeijingChina University of South Carolina ColumbiaSCUSA School of Space and Environment Beihang UniversityBeijingChina Beijing Advanced Innovation center for Big Data-Based Precision Medicine Beihang UniversityBeijingChina The Kirby Institute Faculty of MedicineThe University of New South WalesSydneyNSWAustralia center for Global Health School of Public HealthNanjing Medical UniversityNanjingJiangsu ProvinceChina

Summary What is already known about this topic?Environmental factors such as temperature and humidity play important roles in the transmission of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)via droplets/*** is added by this report?Higher relative humidity(61%–80%),longer spreading time(120 min),and greater dispersal distance(1 m)significantly reduced SARS-CoV-2 pseudovirus *** was an interaction effect between relative humidity and spreading *** are the implications for public health practice?The findings contribute to our understanding of the impact of environmental factors on the transmission of SARS-CoV-2 via airborne droplets/aerosols.

关键词： humidity finding interaction

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Localised solid-state nanopore fabrication via controlled breakdown using on-chip electrodes

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Nano Research 2022年第11期15卷 9881-9889页

作者： Jasper P.Fried Jacob L.Swett Binoy Paulose Nadappuram Aleksandra Fedosyuk Alex Gee Ondrej E.Dyck James R.Yates Aleksandar P.Ivanov Joshua B.Edel Jan A.Mol Department of Materials University of OxfordOxfordOX13PHUK School of Chemistry University of New South WalesSydneyNew South Wales 2052Australia Department of Chemistry Imperial College LondonLondonW120BZUK center for Nanophase Materials Sciences Oak Ridge National LaboratoryOak RidgeTN 37830USA Instituto de Tecnologia Química e Biológica António Xavier Universidade Nova de LisboaAv.da RepúblicaOeiras 2780-157Portugal School of Physics and Astronomy Queen Mary University of LondonLondonE14NSUK

Controlled breakdown has recently emerged as a highly accessible technique to fabricate solid-state ***,in its most common form,controlled breakdown creates a single nanopore at an arbitrary location in the ***,we introduce a new strategy whereby breakdown is performed by applying the electric field between an on-chip electrode and an electrolyte solution in contact with the opposite side of the *** demonstrate two advantages of this ***,we can independently fabricate multiple nanopores at given positions in the membrane by localising the applied field to the ***,we can create nanopores that are self-aligned with complementary nanoelectrodes by applying voltages to the on-chip electrodes to locally heat the membrane during controlled *** new controlled breakdown method provides a path towards the affordable,rapid,and automatable fabrication of arrays of nanopores self-aligned with complementary on-chip nanostructures.

关键词： solid-state nanopores dielectric breakdown nanofabrication single-molecule sensing nanopore arrays

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