检索结果-南通市图书馆

Freeze-induced acceleration of iodide oxidation and consequent iodination of dissolved organic matter to form organoiodine compounds

引用

Journal of Environmental Sciences 2024年第10期144卷 67-75页

作者： Xuexin Gong Mei He Zhineng hao Rusong Zhao Jingfu liu School of Resources and Environment Yangtze UniversityWuhan 430100China State Key Laboratory of Environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China Qilu University of Technology(Shandong Academy of Sciences) Shandong Analysis and Test CenterKey Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong ProvinceJinan 250014China Institute of Environment and Health Jianghan UniversityWuhan 430056China

Freeze-induced acceleration of I–oxidation and the consequent iodination of dissolved organic matter(DOM)contribute to the formation of organoiodine compounds(OICs)in cold *** formed OICs may be a potentially important source of risk and are very closely with the environment and human ***,we investigated the acceleration effects of the freeze process on I–oxidation and the formation of *** comparison to reactive iodine species(RIS)formed in aqueous solutions,I–oxidation and RIS formation were greatly enhanced in frozen solution and were affected by pH,and the content of I–and ***-thaw process further promoted I–oxidation and the concentration of RIS reached 45.7μmol/L after 6 freeze-thaw *** consequent products of DOM iodination were greatly promoted in terms of both concentration and *** total content of OICs ranged from 0.02 to 2.83μmol/L under various *** 183–1197 OICs were detected by Fourier transform ion cyclotron resonance mass spectrometry,and more than 96.2%contained one or two iodine *** OICs had aromatic structures and were formed via substitution and addition *** findings reveal an important formation pathway for OICs and shed light on the biogeochemical cycling of iodine in the natural aquatic environment.

关键词： Freeze process Dissolved organic matter(DOM) Iodination Organoiodine compounds(OICs) Ultrahigh resolution mass spectrometry

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Pt/Mo chalcogenide composite deriving from Pt-Mo_(6)S_8 by high temperature shock for enhanced HER performance

引用

Chinese Chemical Letters 2024年第3期35卷 497-501页

作者： Meng liu Guocheng Lv hao liu Tianming liu Lingchang Kong Libing Liao Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of Geosciences(Beijing)Beijing 100083China School of Science China University of GeosciencesBeijing 100083China

Highly efficient catalysts for electrolysis of water are crucial to the development of hydrogen energy which is helpful to carbon ***,high temperature shock(HTS),with advantage of rapid speed,universality and scalable production,has been a promising method in synthesis of *** this paper,HST was used to treat low Pt loading Mo_(6)S_(8)for enhanced water splitting ***,the optimized MoS_(2)/MoO_(2)/Mo_(6)S_(8)nano-composite with low Pt mass loading(~4%)displays well hydrogen evolution reaction(HER)electrochemical *** overpotential is 124 mV to reach 10 mA/cm^(2)and the corresponding Tafel slope is 88 mV/dec in acidic *** mass activity is 6.2 mA/μg_(Pt)at-124 mV ***,which is almost 2 times relative to 20%Pt/***,it presents distinguished stability even after 2000 *** work will broaden the way of catalysts preparation and the application of hydrogen evolution.

关键词： HTS Low Pt loading Mo_(6)S_8 MoS_(2)/MoO_(2)/Mo_(6)S_8 composite HER

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Pathogenic genes associated with Parkinson’s disease:molecular mechanism overview

引用

BIOCELL 2024年第5期48卷 707-729页

作者： TINGTING liu YIWEI hao LIFENG Zhao School of Life Sciences Institute for Brain Sciences ResearchHenan UniversityKaifeng475004China Pharmaceutical Department Peking University Cancer Hospital Inner Mongolia HospitalHohhot010010China

Parkinson’s disease(PD)is a common neurodegenerative disease in the elderly,accounting for more than 1%of the population aged 65 *** inheritance is relatively rare in PD,accounting for approximately 5%to 10%of PD patients,and there is a growing body of evidence suggesting that multiple genetic risk factors play a significant role in the pathogenesis of *** groups have identified and reported a number of genes carrying mutations associated with affected family *** genes associated with PD are also candidates for idiopathic PD,and these genes may also carry other mutation sites that increase *** multiple genetic risk factors are combined,the risk of PD is increased to a greater extent,and to unravel the pathogenic pathways that lead to different forms of *** review focuses on the association of PD genes,such as Parkinson Disease 1-24(PARK1-24),glucosylceramidase(GBA),GTP cyclohydrolase 1(GCH1),fibroblast growth factor 20(FGF20),nuclear receptor-related factor 1(NURR1),NUS1 dehydrodolichyl diphosphate synthase subunit(NUS1),diacylglycerol Lipase Beta(DAGLB),transmembrane protein(TMEM),ubiquinol-cytochrome c reductase core protein 1(UQCRC1),glycoprotein non-metastatic melanoma protein B protein(GPNMB),dynactin 1(DCTN1),LDL receptor related protein 10(LRP10),monoamine oxidase(MAO),ataxin 2(ATXN2),microtubule associated protein tau(MAPT),pantothenate kinase 2(PANK2),spastic parapplegia type 11(SPG11),polymer gamma(POLG),TATA-box binding protein associated factor 1(TAF1),dual specificity tyrosine phosphorylation regulated kinase 1A(Dyrk1a),and crystallin alpha A(CRYAA),with the pathogenesis of *** introduce what is currently known about the molecular genetics of PD to help explain the molecular mechanisms leading to the neurodegenerative disease.

关键词： Parkinson’s disease(PD) Molecular genetics Mutation

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Spheroid construction strategies and application in 3D bioprinting

引用

Bio-Design and Manufacturing 2024年第5期7卷 800-818页

作者： Chunxiang Lu Chuang Gao hao Qiao Yi Zhang Huazhen liu Aoxiang Jin Yuanyuan liu School of Mechatronic Engineering and Automation Shanghai UniversityShanghai 200444China School of Medicine Shanghai UniversityShanghai 200444China

Tissue engineering has been striving toward designing and producing natural and functional human *** are the fundamental building blocks of *** with traditional two-dimensional cultured cells,cell spheres are threedimensional(3D)structures that can naturally form complex cell–cell and cell–matrix *** structure is close to the natural environment of cells in living *** addition to being used in disease modeling and drug screening,spheroids have significant potential in tissue *** 3D bioprinting is an advanced biofabrication *** accurately deposits bioinks into predesigned 3D shapes to create complex tissue *** 3D bioprinting is efficient,the time required for cells to develop into complex tissue structures can be *** 3D bioprinting of spheroids significantly reduces the time required for their development into large tissues/organs during later cultivation stages by printing them with high cell *** spheroid fabrication and bioprinting technology should provide a new solution to many problems in regenerative *** paper systematically elaborates and analyzes the spheroid fabrication methods and 3D bioprinting strategies by introducing spheroids as building ***,we present the primary challenges faced by spheroid fabrication and 3D bioprinting with future requirements and some recommendations.

关键词： Spheroids Strategies 3D bioprinting Biofabrication

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A review of low-carbon technologies and projects for the global cement industry

引用

Journal of Environmental Sciences 2024年第2期136卷 682-697页

作者： Yangyang Guo Lei Luo Tingting liu Liwei hao Yinming Li Pengfei liu Tingyu Zhu CAS Key Laboratory of Green Process and Engineering Institute of Process EngineeringInnovation Academy for Green ManufactureChinese Academy of SciencesBeijing 100190China Center for Excellence in Regional Atmospheric Environment Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China State Key Laboratory of Solid Waste Reuse for Building Materials Beijing Building Materials Academy of Sciences ResearchBeijing 100041China Ganjiang Innovation Academy Chinese Academy of SciencesGanzhou 341000China

Carbon dioxide(CO_(2))emissions from the cement industry account for 26%of the total industrial emissions,and the need to develop low-carbon techniques within the cement industry is extremely ***-carbon projects and technologies for the cement industry in different regions and countries have been thoroughly reviewed in this manuscript,and the low-carbon development concept for each county has been *** developing countries such as China and India,energy saving and efficiency enhancement are currently the key points,while for developed countries and regions such as Europe,more efforts have been focused on carbon capture,utilization,and storage(CCUS).Global CCUS projects have been previously conducted,and the majority of CCUS projects are currently performed in Europe where major projects such as the CEMCAP,CLEANKER,and IEILAC projects represent the latest research progress in cement production technologies and low-carbon technologies for the global cement *** development of low-carbon cement technologies has changed from focusing on the end point to instead focusing on the source and process through the exploration of hydrogen and solar energies,and more disruptive and original technologies are expected to be developed,particularly in the cement industry in China.

关键词： Cement industry CO_(2)emissions Low carbon development Projects Carbon capture utilization and storage

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effects of air damping on quality factors of different probes in tapping mode atomic force microscopy

引用

Chinese Physics B 2024年第9期33卷 506-519页

作者： Yu Zeng Guo-Lin liu Jin-hao liu Zheng Wei School of Mechanical and Electrical Engineering Beijing University of Chemical TechnologyBeijing 100029China

The AFM probe in tapping mode is a continuous process of energy dissipation,from moving away from to intermittent contact with the sample *** present,studies regarding the energy dissipation mechanism of this continuous process have only been reported sporadically,and there are no systematic explanations or experimental verifications of the energy dissipation mechanism in each stage of the continuous *** quality factors can be used to characterize the energy dissipation in TM-AFM *** this study,the vibration model of the microcantilever beam was established,coupling the vibration and damping effects of the microcantilever *** quality factor of the vibrating microcantilever beam under damping was derived,and the air viscous damping when the probe is away from the sample and the air squeeze film damping when the probe is close to the sample were *** addition,the mechanism of the damping effects of different shapes of probes at different tip–sample distances was *** accuracy of the theoretical simplified model was verified using both experimental and simulation methods.A clearer understanding of the kinetic characteristics and damping mechanism of the TM-AFM was achieved by examining the air damping dissipation mechanism of AFM probes in the tapping mode,which was very important for improving both the quality factor and the imaging quality of the TM-AFM *** study’s research findings also provided theoretical references and experimental methods for the future study of the energy dissipation mechanism of micro-nano-electromechanical systems.

关键词： TM-AFM quality factors air viscous damping air squeeze film damping

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

MAUN:Memory-Augmented Deep Unfolding Network for Hyperspectral Image Reconstruction

引用

IEEE/CAA Journal of Automatica Sinica 2024年第5期11卷 1139-1150页

作者： Qian Hu Jiayi Ma Yuan Gao junjun Jiang Yixuan Yuan Electronic Information School Wuhan UniversityWuhan 430072China School of Computer Science and Technology Harbin Institute of TechnologyHarbin 150001China Department of Electronic Engineering Chinese University of Hong KongHong Kong 999077China

Spectral compressive imaging has emerged as a powerful technique to collect the 3D spectral information as 2D *** algorithm for restoring the original 3D hyperspectral images(HSIs)from compressive measurements is pivotal in the imaging *** approaches painstakingly designed networks to directly map compressive measurements to HSIs,resulting in the lack of interpretability without exploiting the imaging *** some recent works have introduced the deep unfolding framework for explainable reconstruction,the performance of these methods is still limited by the weak information transmission between iterative *** this paper,we propose a Memory-Augmented deep Unfolding Network,termed MAUN,for explainable and accurate HSI ***,MAUN implements a novel CNN scheme to facilitate a better extrapolation step of the fast iterative shrinkage-thresholding algorithm,introducing an extra momentum incorporation step for each iteration to alleviate the information ***,to exploit the high correlation of intermediate images from neighboring iterations,we customize a cross-stage transformer(CSFormer)as the deep denoiser to simultaneously capture self-similarity from both in-stage and cross-stage features,which is the first attempt to model the long-distance dependencies between iteration *** experiments demonstrate that the proposed MAUN is superior to other state-of-the-art methods both visually and *** code is publicly available at https://***/HuQ1an/MAUN.

关键词： Deep folding iteration

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Interaction Mechanisms between Natural Debris Flow and Rigid Barrier Deflectors:A New Perspective for Rational Design and Optimal Arrangement

引用

Computer Modeling in Engineering & Sciences 2024年第5期139卷 1679-1699页

作者： Yu Huang Beilei liu Dianlei Feng hao Shi Department of Geotechnical Engineering College of Civil EngineeringTongji UniversityShanghai200092China Department of Hydraulic Engineering College of Civil EngineeringTongji UniversityShanghai200092China

Rigid barrier deflectors can effectively prevent overspilling landslides,and can satisfy disaster prevention ***,the mechanisms of interaction between natural granular flow and rigid barrier deflectors require further *** date,few studies have investigated the impact of deflectors on controlling viscous debris flows for geological disaster *** investigate the effect of rigid barrier deflectors on impact mechanisms,a numerical model using the smoothed particle hydrodynamics(SPH)method with the Herschel–Bulkley model is proposed to simulate the interaction between natural viscous flow and single/dual barriers with and without *** model was validated using laboratory flume test data from the ***,the model was used to investigate the influence of the deflector angle and multi-barrier *** optimal configuration of multi-barriers was analyzed with consideration to the barrier height and distance between the barriers,because these metrics have a significant impact on the viscous flow pile-up,run-up,and overflow *** investigation considered the energy dissipation process,retention efficiency,and dead-zone *** with bare barriers with similar geometric characteristics and spatial distribution,rigid barriers with deflectors exhibit superior effectiveness in preventing the overflow and overspilling of viscous debris *** for the rational design of deflectors and the optimal arrangement of multi-barriers are provided to mitigate geological disasters.

关键词： Rigid barrier deflectors deflector angle single-barrier dual-barrier arrangements viscous debris flow over-spilling delta-plus-SPH

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Carbon Dots as“On–Off–On”Fluorescence Sensors for Selective and Consecutive Detection of 4-Nitrophenol and Cerium(IV)in Water Samples

引用

Journal of Analysis and Testing 2024年第2期8卷 201-209页

作者： Jing Yang hao liu Yan Huang Li Li Huajie liu Yaping Ding Department of Chemistry College of SciencesShanghai UniversityShanghai200444China School of Chemical Science and Engineering Tongji UniversityShanghai200092China

An“on–off–on”fluorescence sensor was designed for rapidly and consecutively detecting 4-nitrophenol and cerium(IV)without the use of any labeling *** yellow carbon dots were synthesized by a simple one-step hydrothermal approach,and various techniques were applied to investigate the morphology,structure,and optical properties of the carbon *** the optimal experimental conditions,4-nitrophenol rapidly quenched the fluorescence of carbon dots as a result of the inner filter eff ect(IFE).The fluorescence intensity of carbon dots was linear with the concentration of 4-nitrophenol(1–150μmol/L)and the limit of detection was 0.32μmol/*** fluorescence was gradually recovered as the cerium(IV)concentration(0.5–100μmol/L)increased in CDs/4-NP,and the limit of detection was 0.16μmol/*** sensor showed good selectivity and demonstrated high accuracy for the analysis of 4-nitrophenol and cerium(IV)in actual water samples.

关键词： Carbon dots Fluorescence sensor 4-Nitrophenol Cerium(IV) Water samples

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A Note on B-Subdifferential of Projection Operator on Polyhedral Set

引用

Journal of the Operations Research Society of China 2024年第3期12卷 837-845页

作者： hao-Yang liu Jia Wu Li-Wei Zhang Institute of Operations Research and Control Theory School of Mathematical SciencesDalian University of TechnologyDalian116024LiaoningChina

This note characterizes the set of Fréchet-differentiable points of the projection operator on a polyhedral set and the B-subdifferential of this projection operator at any point.

关键词： Polyhedral set Projection operator B-subdifferential Strong regularity

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：