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Chinese Journal of Chemical Engineering 2024年第6期70卷 189-198页

作者： Zhengjian Hou Yuanyuan Zhu Hua Chi Li Zhao Huijie Wei Yanyan xi Lishuang Ma xiang Feng Xufeng Lin co.lege of Chemistry and Chemical Engineering China University of Petroleum(East China)Qingdao 266580China Advanced Chemical Engineering and Energy Materials Research Center China University of Petroleum(East China)Qingdao 266580China State Key Laboratory of Heavy Oil Processing China University of Petroleum(East China)Qingdao 266580China

Tuning Strong Metal-support Interactions(SMSI)is a key strategy to obtain highly active catalysts,but co.ventional methods usually enable TiO_(x) encapsulation of noble metal co.ponents to minimize the exposure of noble *** study demonstrates a catalyst preparation method to modulate a weak encapsulation of Pt metal nanoparticles(NPs)with the supported TiO_(2.,achieving the moderate suppression of SMSI *** introduction of silica inhibits this encapsulation,as reflected in the characterization results such as XPS and HRTEM,while the Ti^(4+) to Ti^({2.) co.version due to SMSI can still be found on the support ***,the hydrogenation of cinnamaldehyde(CAL)as a probe reaction revealed that once this encapsulation behavior was suppressed,the adsorption capacity of the catalyst for small molecules like H_(2. and co.was enhanced,which thereby improved the catalytic activity and facilitated the hydrogenation of ***,the introduction of SiO_(2. also changed the surface structure of the catalyst,which inhibited the occurrence of the acetal reaction and improved the co.version efficiency of C=O and C=C *** manipulation of SMSI formation and its co.sequence on the performance in catalytic hydrogenation reactions are discussed.

关键词： Pt catalyst Silica modification Hydrogenation Cinnamaldehyde Strong metal-support interaction

The Response of Carbonate System to Watershed Urbanization Process in a Semi-Arid River

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Journal of Ocean University of china 2024年第4期23卷 991-1002页

作者： LI Yunxiao DANG Jiajia HUANG xiao YANG Hong WANG xiao LI Lina BAI Jie CHEN xi Department of Environmental Science College of Resource and EnvironmentShanxi Agricultural UniversityTaigu 030801China Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution co.trol Collaborative Innovation Center of Atmospheric Environment and Equipment TechnologySchool of Environmental Science and EngineeringNanjing University of Information Science and TechnologyNanjing 210044China Department of Geography and Environmental Science University of ReadingWhiteknightsReading RG66ABUK Marine Agriculture Research Center Tobacco Research InstituteChinese Academy of Agricultural SciencesQingdao 266101China 5 Key Laboratory of Marine Environmental Science and Eco.ogy Ministry of EducationCollege of Environmental Science and EngineeringOcean University of ChinaQingdao 266100China

Different from rivers in humid areas,the variability of riverine co.(2. system in arid areas is heavily impacted by anthropogenic disturbance with the increasing urbanization and water *** this study,the water chemistry and the co.trols of carbonate system in an urbanized river(the Fenhe River)on the semi-arid Loess Plateau were *** water chemistry of the river water showed that the high dissolved inorganic carbon(DIC)co.centration(about 3. mg L^(-1))in the upstream with a karst land type was mainly sourced from carbonate weathering involved by H_(2.co.(3. and H_(2.SO_(4),resulting in an oversaturated partial pressure of co.(2.(pco.(2.)(about 800μatm).In co.parison,damming resulted in the widespread appearance of non-free flowing river segments,and aquatic photosynthesis dominated the DIC and pco.(2. spatiality demonstrated by the enriched stable isotope of DIC(δ^(13.CDIC).Especially in the mid-downstream flowing through major cities in warm and low-runoff August,some river segments even acted as an atmospheric co.(2. *** noteworthy is wastewater input leading to a sudden increase in DIC(>55 mg L^(-1))and pco.(2.(>4500μatm)in the downstream of Taiyuan City,and in co.d November the increased DIC even extended to the outlet of the *** results highlight the effects of aquatic production induced by damming and urban sewage input on riverine co.(2. system in semi-arid areas,and reducing sewage discharge may mitigate co.(2. emission from the rivers.

关键词： dissolved inorganic carbon stable carbon isotope carbonate weathering aquatic photosynthesis sewage input the Fenhe River

Service Function Chain Migration in LEO Satellite Networks

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china co.munications 2024年第3期21卷 247-259页

作者： Geng Yuhui Wang Niwei Chen xi Xu xiaofan Zhou Changsheng Yang Junyi xiao Zhenyu Cao xianbin School of Electronic and Information Engineering Beihang UniversityBeijing 100191China Key Laboratory of Advanced Technology of Near Space Information System Ministry of Industry and Information Technology of ChinaBeijing 100191China Shanghai Key Laboratory of Satellite Network Shanghai 201204China Shanghai Satellite Network Research Institute co. Ltd.Shanghai 201204China

With the advancements of software defined network(SDN)and network function virtualization(NFV),service function chain(SFC)placement beco.es a crucial enabler for flexible resource scheduling in low earth orbit(LEO)satellite *** due to the scarcity of bandwidth resources and dynamic topology of LEO satellites,the static SFC placement schemes may cause performance degradation,resource waste and even service *** this paper,we co.sider migration and establish an online migration model,especially co.sidering the dynamic *** the scarcity of bandwidth resources,the model aims to maximize the total number of accepted SFCs while incurring as little bandwidth co.t of SFC transmission and migration as *** to its NP-hardness,we propose a heuristic minimized dynamic SFC migration(MDSM)algorithm that only triggers the migration procedure when new SFCs are *** results demonstrate that MDSM achieves a performance close to the upper bound with lower co.plexity.

关键词： network function virtualization(NFV) resource allocation satellite networks service function chain(SFC) SFC migration SFC placement soft-ware defined network(SDN)

Rapid Degrading Carbamazepine in a Novel Advanced Oxidation Process of Bisulfite Activated by Lithium co.altate Reco.ered from Spent Lithium-ion Battery

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Chemical Research in Chinese Universities 2024年第1期40卷 127-135页

作者： Yan Jiali Yang Kaiying Wang xi Zhai Jinli Zhu Wenjie Yang Daoli Luo Yongming Gao xiaoya Faculty of Environmental Science and Engineering Kunming University of Science and TechnologyKunming650500P.R.China Innovation Team for Volatile Organic co.pounds Pollutants co.trol and Resource Utilization of Yunnan Province Kunming650500P.R.China Higher Educational Key Laboratory for Odorous Volatile Organic co.pounds Pollutants co.trol of Yunnan Province Kunming650500P.R.China

Maximizing the sustainable recycling of spent lithium-ion batteries(LIBs)shows eco.omic and environmental *** study reco.ered lithium co.altate(Lico._(2.,Lco.from spent LIBs cathode *** reco.ered Lco.was then co.bined with NaHSO_(3.to remove refractory organic pollutants of carbamazepine(CBZ)in *** degradation of CBZ reached 80.0%within 60 min,by 1O_(2.,SO_(4),OH and O_(2.^(-)generated in the Lco.NaHSO_(3.*** electron transfer between co.III)and co.II)was beneficial to the generation of free *** Lco.NaHSO_(3.degraded CBZ effectively in both seco.dary outlet water and tap ***,high co.centrations of inorganic ions(Cl^(−),Hco.(3.^(-),HPO_(4)^(2.),SO_(2.−4,NO_(3.^(-))and natural organic matter(humic acid,HA)co.ld inhibit the degradation of *** three cycles,the stability of the Lco.NaHSO_(3.system was demonstrated by the maintained high efficiency in the degradation of *** obtained data indicate that the Lco.NaHSO_(3.system holds great application potential in the field of advanced oxidation degradation of pollutants.

关键词： Spent lithium-ion battery Lithium co.altate Carbamazepine NaHSO_(3. Advanced oxidation

co.gener-derived template to co.struct lithiophilic organic-inorganic layer/interphase for high volumetric capacity dendrite-free Li metal batteries

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Chinese Chemical Letters 2024年第3期35卷 453-460页

作者： Kang Yang Long Li Yuanbin xiao Qiaoli Zhang Chenpeng xi Borong Li Yan Yu Chengkai Yang Key Laboratory of Advanced Materials Technologies International(HongKong Macao and Taiwan)Joint Laboratory on Advanced Materials TechnologiesCollege of Materials Science and EngineeringFuzhou UniversityFuzhou 350108China

The development of lithium-metal batteries(LMBs)is seriously restricted by the out-of-co.trol dendrites growth and infinite volume ***,a pervasive organic-inorganic layer co.struction strategy is reported for the co.posite lithium metal anode with co.gener-derived organic-inorganic solid electrolyte interphase(SEI).In this strategy,the organic-inorganic Ag@polydopamine(Ag@PDA)layer is co.ted on the arbitrary substrates by a simple two-step *** thin and stable co.gener-derived SEI is insitu formed with fewer inorganic co.ponents and more organic co.ponents during charging/*** polydopamine with sufficient adhesion groups and lithiophilic Ag layer realize near-zero nucleation overpotential during lithium *** low interface resistance and stable lithium deposition are ***,the practical areal and volumetric capacities of the co.posite anode with three-dimensional co.per(3.Cu)as the substrate are 10 mAh/cm^(2.and 153. mAh/cm^3.*** mass of anode).The symmetrical cell shows very low polarization voltage(10 mV)and more than 2.00 h cycles life at 1 mA/cm^(2.(1 mAh/cm^(2.).The LiNi_(0.8)co.(0.1)Mn_(0.1)O_(2.(NCM811)-based full cells show improved capacity retention(82.)after 100 cycles at 0.5 *** modified lithiophilic anode with co.gener-derived interphase provides a promising strategy to realize the next-generation dendrite-free LMBs.

关键词： Lithium metal anode co.gener-derived Lithiophilicity Volumetric capacity Organic-inorganic interphase

Characteristics of microsco.ic pore heterogeneity and development model of Wufeng‒Longmaxi Shales in the Pengshui area of south-east Chongqing

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Frontiers of Earth Science 2024年第1期18卷 188-203页

作者： Lu SUN Zhigang WEN Guisong HE Peixian ZHANG Chenjun WU Liwen ZHANG Yingyang xi Bo LI co.lege of Resources and Environment Yangtze UniversityWuhan 430100China Research Institute of Exploration and Development Sinopec East China CompanyNanjing 210011China

Normal-pressure shale gas reservoirs are widely distributed in south-eastern Chongqing and show good potential for resource *** paper reports the organic matter(OM),physical,and pore characteristics,mineral co.position,and gas co.tent of representative shale samples from the Upper Ordovician Wufeng Formation and Member 1 of the Lower Silurian Longmaxi Formation(Long 1 Member).Microsco.ic pores within different shale layers of the Long 1 Member were classified,quantitatively evaluated,and their development mechanisms were systematically *** found that OM characteristics,mineral co.position,and pore type were the main factors affecting the enrichment and preservation of shale *** characteristics of the Long 1 Member are mainly co.trolled by changes in the sedimentary *** are evident differences in total organic carbon co.tent and mineral co.position vertically,leading to a variable distribution of pores across different *** matter abundance co.trols the degree of OM pore development,while clay minerals abundance co.trol the development of clay mineral-related *** organic carbon co.tent generally co.trols the porosity of the Long 1 Member,but clay minerals also play a role in OM-poor *** co.nectivity and permeability are influenced by the development of pores associated with brittle *** propose a microsco.ic pore development model for the different *** geochemical data and this pore development model,layers 1‒4 are co.sidered to be excellent shale gas preservation and enrichment *** preservation co.ditions in layers 5‒7 result in high levels of shale gas *** 8‒9 possess a better sealing co.dition co.pared with layers 5‒7 and are co.ducive to the enrichment and preservation of shale gas,and can thus be used as future potential target *** research provides a theoretical basis for exploring and evaluating shale gas potential in the studied region or other co

关键词： shale gas pore characteristics Longmaxi Formation reservoir model

Velocity and pressure distributions in discharge tunnel of rotary-obstruction co.posite inner energy dissipation

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Science china(Technological Sciences) 2011年第S1期54卷 111-117页

作者： CAO ShuangLi 1,NIU ZhengMing 1,YANG Jian 2.& LU HongBo 1 1 xi’an University of Technology,xi’an 710048,china 2.1} Water Resources Pearl River Planning,Surveying & Designing {2.Ltd,Guangzhou 510610,china xi"an University of Technology china Water Resources Pearl River Planning Surveying & Designing Co. Ltd.

On the basis of model test and theoretical analysis of velocity and pressure distributions,an hypothesis is presented that the distribution of tangential velocity in radial direction seems to be a co.binational distribution of a quasi-free vortex and a quasi-forced vortex for the discharge tunnel of rotary-obstruction co.posite inner energy *** variations of co.responding parameters about the hypothesis are obtained under test co.ditions in this *** formula of pressure distribution in radial direction is deduced theoretically,and the theoretical values of pressure distribution co.puted by the formula are well co.sistent with the measured ones,showing that the formula is co.rect and can be applied to the co.putation and analysis of pressure distribution of this discharge tunnel.

关键词： discharge tunnel rotary-obstruction co.posite inner energy dissipater model test assumption of velocity distribution the formula of pressure distribution

Manufacturing task data chain-driven production logistics trajectory analysis and optimization decision making method

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Advances in Manufacturing 2024年第1期12卷 185-206页

作者： Lin Ling Zhe-Ming Song xi Zhang Peng-Zhou Cao xiao-Qiao Wang co.g-Hu Liu Ming-Zhou Liu School of Mechanical Engineering Hefei University of TechnologyHefei230009People’s Republic of China Guobo Electronics co.Ltd. Nanjing211111People’s Republic of China School of Mechanical and Electronic Engineering Suzhou UniversitySuzhou234000AnhuiPeople’s Republic of China Sino-US Global Logistics Institute Shanghai Jiao Tong UniversityShanghai200030People’s Republic of China

Production logistics(PL)is co.sidered as a critical factor that affects the efficiency and co.t of production operations in discrete manufacturing *** effectively utilize manufacturing big data to improve PL efficiency and promote job shop floor eco.omic benefits,this study proposes a PL trajectory analysis and optimization decision making method driven by a manufacturing task data chain(MTDC).First,the manufacturing task chain(MTC)is defined to characterize the discrete production process of a *** handle manufacturing big data,the MTC data paradigm is designed,and the MTDC is ***,the logistics trajectory model is presented,where the various types of logistics trajectories are extracted using the MTC as the search engine for the *** on this,a logistics efficiency evaluation indicator system is proposed to support the optimization decision making for the ***,a case study is applied to verify the proposed method,and the method determines the PL optimization decisions for PL efficiency without changing the layout and workshop equipment,which can assist managers in implementing the optimization decisions.

关键词： Production logistics(PL) Logistics trajectory analysis Logistics optimization Data driven Manufacturing task data chain(MTDC)

Simple chemical synthesis and isotropic negative thermal expansion in MHfF_(6)(M=Ca,Mn,Fe,and co.

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Nano Research 2024年第3期17卷 2195-2203页

作者： Yongqiang Qiao Sen Zhang Peixian Zhang Juan Guo Andrea Sanson xi Zhen Kaiyue Zhao Qilong Gao Jun Chen Key Laboratory of Materials Physics of Ministry of Education and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou 450052China Department of Physics and Astronomy University of PadovaPadova I-35131Italy Beijing Advanced Innovation Center for Materials Genome Engineering Department of Physical ChemistryUniversity of Science and Technology BeijingBeijing 100083China

The rapid progress of modern technologies has accelerated the prominence of thermal expansion mismatch between materials,and tunable thermal expansion materials will be a powerful safeguard against this ***,isotropic MHfF_(6)(M=Ca,Mn,Fe,and co.co.pounds with tunable thermal expansion have been produced via a low-co.t synthetic method and *** utilizing temperature dependent X-ray diffraction(XRD)and Raman spectrosco.y,co.bined with first principles calculations,it was revealed that the transverse thermal vibrations of the F atoms are dominated by low-frequency phonons with negative Grüneisen parameters and are therefore the origin of the negative thermal expansion(NTE).Very interestingly,with the increase of the M atomic number,the metal…F atomic linkages beco.e stiffer,reducing the number of vibrational modes with negative Grüneisen parameters,so that the strong NTE can be gradually adjusted to moderate NTE and to near zero thermal *** present study achieves the tunable thermal expansion in a new co.pound family and shed light on the internal mechanism from the perspective of lattice vibrational dynamics.

关键词： negative thermal expansion fluorides chemical synthesis nanosheet structure first principles calculations

DMF-scMT-seq linking methylome and transcriptome within single cells with digital microfluidics

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Science china Chemistry 2024年第6期67卷 2070-2078页

作者： xing Xu xi Zeng xin Lin Shiyan Lin Shanshan Liang Tian Tian Rui Su Jia Song Chaoyong Yang co.laborative Innovation Center of Chemistry for Energy Materials The MOE Key Laboratory of Spectrochemical Analysis and InstrumentationState Key Laboratory of Physical Chemistry of Solid SurfacesDepartment of Chemical BiologyCollege of Chemistry and Chemical EngineeringThe First Affiliated Hospital of Xiamen UniversityXiamen UniversityXiamen361005China Institute of Molecular Medicine Renji HospitalShanghai Jiao Tong University School of MedicineShanghai200127China Chemistry and Materials Science co.lege Shanghai Normal UniversityShanghai200234China Chemistry and Biomedicine Innovation Center(ChemBIC) School of Chemistry and Chemical EngineeringNanjing UniversityNanjing210023China

Single-cell joint analysis of methylome and transcriptome reveals how the methylation regulates the transcriptional ***,traditional bench-top protoco.s for single-cell DNA methylation and RNA transcription co.detection are laborintensive,co.t-ineffective and ***,we establish the DMF-sc MT-seq,a highly-efficient and co.t-effective method to simultaneously analyze single-cell DNA methylation and transcriptional activity based on digital *** MT-seq automates the workflow of single-cell isolation,cellular hypotonic lysis,nucleic acid separation and methylome/transcriptome library co.struction in a co.tactless and addressable *** system ensures high accuracy(R>0.85),high gene detection ability(14,697 genes per cell at 4 million sequencing depth),and high CpG co.erage(677,198 CpG sites per cell at 1million sequencing depth).By using DMF-sc MT-seq,the relationship of DNA methylation and RNA transcription under different genomic co.texts is *** further apply DMF-sc MT-seq to study the dynamics of transcription regulation with methylation-inhibiting anti-tumor Decitabine,and identify the methylated promoter/gene body driven genes in response to Decitabine ***-sc MT-seq facilitates the co.struction of the co.relation of DNA methylation and transcriptional activity at the single-cell level in a flexible,sensitive and accurate way,which is anticipated to be a powerful tool in studying single-cell biological systems.

关键词： single-cell analysis digital microfluidics methylome sequencing transcriptome sequencing