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Chemical characteristics and sources apportionment of volatile organic compounds in the primary urban area of Shijiazhuang,North China Plain

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Journal of Environmental Sciences 2025年第3期149卷 465-475页

作者： Xiao zhang Junfeng Wang Jiangwei Zhao Junliang He Yali Lei Kai Meng RuiWei xue zhang Miaomiao zhang Shuangying Ni Eleonora Aruffo College of geographical sciences and Environment Shijiazhuang UniversityShijiazhuang 050035China Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Collaborative Innovation Center of Atmospheric Environment and Equipment TechnologySchool of Environmental Science and EngineeringNanjing University of Information Science and TechnologyNanjing 210044China Hebei Province Ecology Environmental Monitoring Center Shijiazhuang 050037China Key Lab of Geographic Information Science of the Ministry of Education School of Geographic SciencesEast China Normal UniversityShanghai 200241China Hebei Provincial Institute of Meteorological Sciences Shijiazhuang 050021China Key Laboratory of Meteorology and Ecological Environment of Hebei Province Shijiazhuang 050021China Hebei Provincial Academy of Ecological Environmental Science Shijiazhuang 050037China Department of Advanced Technologies in Medicine&Dentistry University“G.d’Annunzio”of Chieti-PescaraChieti 66100Italy Center for Advanced Studies and Technology-CAST Chieti 66100Italy

VOCs(Volatile organic compounds)exert a vital role in ozone and secondary organic aerosol production,necessitating investigations into their concentration,chemical characteristics,and source apportionment for the effective implementation of measures aimed at preventing and controlling atmospheric *** to October 2020,onlinemonitoringwas conducted in the main urban area of Shijiazhuang to collect data on VOCs and analyze their concentrations and ***,the PMF(positive matrix factorization)method was utilized to identify the VOCs *** indicated that the TVOCs(total VOCs)concentration was(96.7±63.4μg/m^3),with alkanes exhibiting the highest concentration of(36.1±26.4μg/m^3),followed by OVOCs(16.4±14.4μg/m^3).The key active components were alkenes and aromatics,among which xylene,propylene,toluene,propionaldehyde,acetaldehyde,ethylene,and styrene played crucial roles as reactive *** sources derived from PMF analysis encompassed vehicle emissions,solvent and coating sources,combustion sources,industrial emissions sources,as well as plant sources,the contribution of which were 37.80%,27.93%,16.57%,15.24%,and 2.46%,***,reducing vehicular exhaust emissions and encouraging neighboring industries to adopt low-volatile organic solvents and coatings should be prioritized to mitigate VOCs levels.

关键词： Volatile organic compounds Pollution characteristics Ozone formation potential OH radical loss rate Source apportionment

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Antibiotic exposure alters the honeybee gut microbiota and may interfere with the honeybee behavioral caste transition

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Insect Science 2025年第1期32卷 260-276页

作者： Zijing zhang Xiaohuan Mu Qina Cao Yifan Zhai Li Zheng Yan Liu Hao Zheng xue zhang Hebei Key Laboratory of Animal Physiology Biochemistry and Molecular BiologyHebei Collaborative Innovation Center for Eco-EnvironmentCollege of Life SciencesHebei Normal UniversityShijiazhuangChina College of Food Science and Nutritional Engineering China Agricultural UniversityBejingChina Institute of Plant Protection Shandong Academy of Agricultural SciencesJinanChina Key Laboratory of Natural Enemies Insects Ministry of Agriculture and Rural AffairsJinanChina Department of Entomology College of Plant ProtectionChina AgriculturalUniversityBeijingChina

Behavioral division is essential for the sustainability and reproduction of honeybee *** accumulating evidence has documented that antibiotic exposure interferes with bee behavioral divisions,how the gut microbiome,host physiology,and genetic regulation are implicated in this process remains ***,by constructing single-cohort colonies,we validated that the gut microbiota varied in composition between age-matched nurse and forager *** the gut microbiota with a low dose of antibiotic retained the gut bacterial size,but the structure of the microbial community continuously diverged from the control group after antibiotic *** foragers were observed in the antibiotic groups in the field experiment.A combinatorial effect of decreased gut metabolic gene repertoires,reduced brain neurotransmitter titers,and downregulated brain immune genes could potentially be related to behavioral tasks transition *** work indicates that the disturbance to both the gut microbiome and host physiologies after antibiotic exposure may have implications on social behavior development,highlighting the need for further research focusing on antibiotic pollution threatening the honeybee population's health.

关键词： antibiotic resistance Apis mellifera behavioral development immune genes

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Quantum manipulation of asymmetric Einstein–Podolsky–Rosen steering in controllable dynamical Casimir arrays

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Chinese Physics B 2025年第2期34卷 149-163页

作者： Ruinian Li Yumei Long xue zhang Center for Quantum Sciences and School of Physics Northeast Normal UniversityChangchun 130024China

We design dynamical Casimir arrays(DCA)consisting of giant atoms and coupled resonator waveguides(CRWs)to investigate the Einstein–Podolsky–Rosen(EPR)steering at finite *** designed system exhibits an asymmetry in its structure,which is caused by the differences in the sizes and the coupling positions of the giant *** system achieves different types of EPR steering and the reversal of one-way EPR steering by modulating ***,the symmetry and asymmetry of the system structure,in their responses to parameter modulation,both reveal the asymmetry of EPR *** this process,we discover that with the increase in temperature,different types of steering can be transferred from Casimir photons to giant *** also achieve the monogamy of the multipartite *** results provide important assistance for secure quantum communication,and further intuitively validating the asymmetry of EPR steering from multiple perspectives.

关键词： dynamical Casimir effect EPR steering monogamy relation giant atoms coupled resonator waveguides

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Associations of multiple metals exposure with immunoglobulin levels in pregnant women:Hangzhou Birth Cohort Study

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Journal of Environmental Sciences 2025年第5期151卷 560-572页

作者： Jiena Zhou Lanfei Jin Yexinyi Zhou Kunhong Zhong Kegui Huang Qi zhang Jun Tang xue zhang Lihe Peng Shuai Li Na Lv Dongdong Yu Qinheng Zhu Jing Guo Qiong Luo Guangdi Chen Department of Public Health and Key Laboratory of Reproductive Genetics(Ministry of Education)Women’s HospitalZhejiang University School of MedicineHangzhou 310058China Department of Clinical Laboratory Shaw HospitalZhejiang University School of MedicineHangzhou 310018China Zhejiang Provincial Center for Disease Control and Prevention Hangzhou 310051China Jiashan County Center for Disease Control and Prevention JiashanZhejiang 314199China Department of Clinical Laboratory Women’s HospitalZhejiang University School of MedicineHangzhou 310020China Department of Obstetrics Women’s HospitalZhejiang University School of MedicineHangzhou 310020China

Metal may affect maternal immune function,but few epidemiological studies have reported the associations between multiple-metal exposure and maternal immunoglobulin(Ig)*** on the Hangzhou Birth Cohort Study,1059 participants were included,and eleven metals in whole blood samples and serum IgA,IgG,IgE and IgM levels were *** regression,quantile-based g-computation(QGC),and Bayesian kernel machine regression(BKMR)models were used to evaluate the *** with the first tertile of metal levels,arsenic(As)was negatively associated with IgE(β=-0.25,95%confidence interval(CI)=-0.48 to-0.02).Moreover,significant associations of manganese(Mn)with IgA,IgG and IgM were demonstrated(β=0.10,95%CI=0.04 to 0.18;β=0.07,95%CI=0.03 to 0.12;β=0.10,95%CI=0.03 to 0.18,respectively).Cadmium(Cd)were associated with higher levels of *** models showed the positive association of the metalmixtures with IgA and IgG,with Mn playing amajor *** and Cd had positive contributions to IgM,while As had negative contributions to *** the BKMR models,the latent continuous outcomes of IgA and IgG showed a significant increase when all the metals were at their 60th percentile or above compared to those at their 50th ***,exposure to metals was associated with maternal Igs,and mainly showed that Mn was associated with increased levels of IgA,IgG and IgM,and As was associated with low IgE levels.

关键词： Metals Immunoglobulin Pregnant woman Quantile-based g-computation (QGC) Bayesian kernel machine regression (BKMR)

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A review on recent taxonomic updates of gut bacteria associated with social bees,with a curated genomic reference database

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Insect Science 2025年第1期32卷 2-23页

作者： Chengfeng Yang Jiawei Hu Qinzhi Su Zijing zhang Yating Du Jieni Wang Huihui Sun Benfeng Han Junbo Tang Lizhen Guo Hu Li Wanzhi Cai Hao Zheng Xin Zhou xue zhang Department of Entomology College of Plant ProtectionChina Agricultural UniversityBeijingChina Sanya Institute of China Agricultural University Hainan ProvinceChina College of Food Science and Nutritional Engineering China Agricultural UniversityBeijingChina Beijing Laboratory of Biomedical Materials Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijingChina Hebei Key Laboratory of Animal Physiology Biochemistry and Molecular BiologyCollege of Life SciencesHebei Normal UniversityShijiazhuangChina

Honeybees and bumblebees play a crucial role as essential *** special gut microbiome of social bees is a key factor in determining the overall fitness and health of the *** bees harbor relatively simple microbial communities at the genus level,recent studies have unveiled significant genetic divergence and variations in gene content within each bacterial ***,a comprehensive and refined genomics-based taxonomic database specific to social bee gut microbiomes remains ***,we first provided an overview of the current knowledge on the distribution and function of social bee gut bacteria,as well as the factors that influence the gut population *** then consolidated all available genomes of the gut bacteria of social bees and refined the species-level taxonomy,by constructing a maximum-likelihood core genome phylogeny and calculating genome-wide pairwise average nucleotide *** the basis of the refined species taxonomy,we constructed a curated genomic reference database,named the bee gut microbe genome sequence database(BGM-GDb).To evaluate the species-profiling performance of the curated BGM-GDb,we retrieved a series of bee gut metagenomic data and inferred the species-level composition using metagenomic intra-species diversity analysis system(MIDAS),and then compared the results with those obtained from a prebuilt MIDAS *** found that compared with the default database,the BGM-GDb excelled in aligned read counts and bacterial ***,this high-resolution and precise genomic reference database will facilitate research in understanding the gut community structure of social bees.

关键词： bacterial species BGM-GDb corbiculate bees gut microbiome phylogeny phylotype

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Research on Short-Term Electric Load Forecasting Using IWOA CNN-BiLSTM-TPA Model

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印刷与数字媒体技术研究 2025年第1期 179-187页

作者： MEI Tong-da SI Zhan-jun zhang Ying-xue College of Artificial Intelligence Tianjin University of Science and TechnologyTianjin 300457China

Load forecasting is of great significance to the development of new power *** the advancement of smart grids,the integration and distribution of distributed renewable energy sources and power electronics devices have made power load data increasingly complex and *** places higher demands on the prediction and analysis of power *** order to improve the prediction accuracy of short-term power load,a CNN-BiLSTMTPA short-term power prediction model based on the Improved Whale Optimization Algorithm(IWOA)with mixed strategies was ***,the model combined the Convolutional Neural Network(CNN)with the Bidirectional Long Short-Term Memory Network(BiLSTM)to fully extract the spatio-temporal characteristics of the load data ***,the Temporal Pattern Attention(TPA)mechanism was introduced into the CNN-BiLSTM model to automatically assign corresponding weights to the hidden states of the *** allowed the model to differentiate the importance of load sequences at different time *** the same time,in order to solve the problem of the difficulties of selecting the parameters of the temporal model,and the poor global search ability of the whale algorithm,which is easy to fall into the local optimization,the whale algorithm(IWOA)was optimized by using the hybrid strategy of Tent chaos mapping and Levy flight strategy,so as to better search the parameters of the *** this experiment,the real load data of a region in Zhejiang was taken as an example to analyze,and the prediction accuracy(R2)of the proposed method reached 98.83%.Compared with the prediction models such as BP,WOA-CNN-BiLSTM,SSA-CNN-BiLSTM,CNN-BiGRU-Attention,etc.,the experimental results showed that the model proposed in this study has a higher prediction accuracy.

关键词： Whale Optimization Algorithm Convolutional Neural Network Long Short-Term Memory Temporal Pattern Attention Power load forecasting

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Recent progress on surface chemistryⅡ:Property and characterization

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Chinese Chemical Letters 2025年第1期36卷 8-57页

作者： Xin Li Zhen Xu Donglei Bu Jinming Cai Huamei Chen Qi Chen Ting Chen Fang Cheng Lifeng Chi Wenjie Dong Zhenchao Dong Shixuan Du Qitang Fan Xing Fan Qiang Fu Song Gao Jing Guo Weijun Guo Yang He Shimin Hou Ying Jiang Huihui Kong Baojun Li Dengyuan Li Jie Li Qing Li Ruoning Li Shuying Li Yuxuan Lin Mengxi Liu Peinian Liu Yanyan Liu Jingtao Lü Chuanxu Ma Haoyang Pan JinLiang Pan Minghu Pan Xiaohui Qiu Ziyong Shen Qiang Sun Shijing Tan Bing Wang Dong Wang Li Wang Lili Wang Tao Wang Xiang Wang Xingyue Wang xueyan Wang Yansong Wang Yu Wang Kai Wu Wei Xu Na xue Linghao Yan Fan Yang Zhiyong Yang Chi zhang xue zhang Yang zhang Yao zhang Xiong Zhou Junfa Zhu Yajie zhang Feixue Gao Yongfeng Wang Center for Carbon-based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices School of ElectronicsPeking UniversityBeijing 100871China Spin-X Institute School of MicroelectronicsSouth China University of TechnologyGuangzhou 511442China School of Materials and Energy Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage DevicesGuangdong University of TechnologyGuangzhou 510006China Faculty of Materials Science and Engineering Kunming University of Science and TechnologyKunming 650093China i-Lab CAS Key Laboratory of Nanophotonic Materials and DevicesSuzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhou 215123China CAS Key Laboratory of Molecular Nanostructure and Nanotechnology CAS Research/Education Center for Excellence in Molecular SciencesBeijing National Laboratory for Molecular Sciences(BNLMS)Institute of ChemistryChinese Academy of SciencesBeijing 100190China State Key Laboratory for Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced MaterialsJiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing University of Posts and TelecommunicationsNanjing 210023China Institute of Functional Nano and Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and DevicesSoochow UniversitySuzhou 215123China Hefei National Research Center for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics University of Science and Technology of ChinaHefei 230026China Institute of Physics&University of Chinese Academy of Sciences Beijing 100190China State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China College of Chemistry Beijing Normal UniversityBeijing 100875China Beijing National Laboratory for Molecular Sciences(BNLMS) College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China School

Surface with well-defined components and structures possesses unique electronic,magnetic,optical and chemical *** a result,surface chemistry research plays a crucial role in various fields such as catalysis,energy,materials,quantum,and *** science mainly investigates the correspondence between surface property and *** probe microscopy(SPM)techniques are important tools to characterize surface properties because of the capability of atomic-scale imaging,spectroscopy and manipulation at the single-atom *** this review,we summarize recent advances in surface electronic,magnetic and optical properties characterized mainly by SPM-based *** focus on elucidating theπ-magnetism in graphene-based nanostructures,construction of spin qubits on surfaces,topology properties of surface organic structures,STM-based light emission,tip-enhanced Raman spectroscopy and integration of machine learning in SPM studies.

关键词： Surface chemistry Scanning probe microscopy π-Magnetism Spin qubits Tip-enhanced Raman spectroscopy

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认知-运动双任务训练在预防老年人跌倒中的研究进展

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中华护理杂志 2025年第3期60卷 297-302页

作者：张雪蔡燕王聪蒋艳四川大学华西护理学院成都市610041 四川大学华西医院循证护理研究室四川大学华西医院护理部

随着老龄化进程加速,老年人跌倒已成为严重的公共卫生问题,不仅严重影响老年人的生活质量,还带来了沉重的社会负担。认知-运动双任务训练能提高老年人的认知及运动功能,是预防老年人跌倒的重要干预手段。该文通过综述认知-运动双任务训... 详细信息

随着老龄化进程加速,老年人跌倒已成为严重的公共卫生问题,不仅严重影响老年人的生活质量,还带来了沉重的社会负担。认知-运动双任务训练能提高老年人的认知及运动功能,是预防老年人跌倒的重要干预手段。该文通过综述认知-运动双任务训练的实施形式、作用机制及在预防老年人跌倒中的应用现状,以期为老年人实施认知-运动双任务训练提供参考。

关键词：认知运动老年人跌倒综述护理

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Research on the Construction of Intellectual Property System and Optimization of Business Environment in China

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科技与法律（中英文） 2025年第1期 125-137页

作者： zhang xue Lyu Guofu Institute of Intellectual Property Guizhou University of CommerceGuiyang 550014China

With the rapid development of globalization and information technology,intellectual property has been one of the key drivers of economic growth,and the construction of intellectual property system has become an important criterion for measuring the quality of business *** article is intended to explore the current status of intellectual property system construction in China,the challenges,and its relationship with the business environment,to propose the corresponding countermeasures and *** study finds that the legal system of intellectual property in China is gradually improving,and judicial and administrative protection are continuously ***,the challenges still remain such as frequent infringements,rights hard to protect and insufficient international *** issues not only affect the legitimate rights and interests of innovation entities,but also for the market fairness and the level of the business ***,this article proposes that strengthening the perfection of the intellectual property legal system,enhancing intellectual property services and support capabilities,strengthening international cooperation and exchanges,and accelerating the cultivation of composite *** aims to provide theoretical references for the construction of intellectual property system and the optimization of the business environment,promote the high-quality development of economy and enhance the global competitiveness of the country.

关键词： intellectual property business environment system construction economic development

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集群失效时间数据下可加可乘风险率模型的广义矩估计方法

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数理统计与管理 2025年第1期44卷 79-90页

作者：陈芷菱张宝学首都经济贸易大学统计学院北京100070

在本文中,对于集群失效时间数据,我们利用广义矩估计方法来提高可加可乘风险率模型的估计效率。特别地,我们提出了一种高效的易于实现的迭代算法用于参数估计,证明了所提出估计量的相合性和渐近正态性,并得到了渐近协方差阵的相合估计... 详细信息

在本文中,对于集群失效时间数据,我们利用广义矩估计方法来提高可加可乘风险率模型的估计效率。特别地,我们提出了一种高效的易于实现的迭代算法用于参数估计,证明了所提出估计量的相合性和渐近正态性,并得到了渐近协方差阵的相合估计。数值模拟研究表明,所提出的方法在有限样本情况下表现良好,最后用所提方法分析了一个糖尿病视网膜的实际数据。

关键词：可加可乘风险率模型集群失效时间数据估计效率广义矩估计方法

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