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不同类型碳结构的储钠反应机理分析

中国科学：化学 2017年第5期47卷 573-578页

作者：邱珅曹余良艾新平杨汉西武汉大学化学与分子科学学院武汉430072

由于具有丰富资源和可期的成本优势,钠离子电池已成为大规模储能电池领域的研究热点.类似于锂离子电池负极,碳材料是研究最为广泛的储钠负极材料.然而碳材料的种类繁多,且不同处理条件下其结构也多样,从而造成储钠性能的差异,甚至产生... 详细信息

由于具有丰富资源和可期的成本优势,钠离子电池已成为大规模储能电池领域的研究热点.类似于锂离子电池负极,碳材料是研究最为广泛的储钠负极材料.然而碳材料的种类繁多,且不同处理条件下其结构也多样,从而造成储钠性能的差异,甚至产生有争议的储钠机制.为了梳理碳结构与其储钠反应行为的关系,本文综合分析了不同种类碳材料的结构特征及储钠行为,讨论了可能存在的电化学机理,对一些尚存争议的地方提出可能的辨析途径,为发展高性能碳基储钠材料提供借鉴思路.

关键词：碳材料负极硬碳储钠机理钠离子电池

Overview on Mangrove Forest Disaster Prevention and Mitigation Functions

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Journal of Ocean University of China 2024年第1期23卷 46-56页

作者： CHEN xinping YIN Ziqi LI Zibin WANG Bin TAO aifeng GUO Zhixing WANG Fei AN Yanhong O’DRISCOLL Kieran College of Harbour Coastal and Offshore EngineeringHohai UniversityNanjing 210098China National Marine Hazard Mitigation Service Beijing 100194China The People’s Government of Hainan Province Haikou 570204China Hibernian Marine Systems Limited Cork T12EDD8Ireland

This paper provides a comprehensive overview on coastal protection and hazard mitigation by *** stud-ies have made great strides to understand the mechanisms and influencing factors of mangroves’protection function,including wave energy dissipation,storm surge damping,tsunami mitigation,adjustment to sea level rise and wind speed reduction,which are sys-tematically summarized in this ***,the study analyzes the extensive physical models,based on indoor flume experi-ments and numerical models,that consider the interaction between mangroves and hydrodynamics,to help our understanding of mangrove-hydrodynamic ***,quantitative approaches for valuing coastal protection services provided by man-groves,including index-based and process-resolving approaches,are introduced in ***,we point out the limitations of previous studies,indicating that efforts are still required for obtaining more long-term field observations during extreme weather events,to create more real mangrove models for physical experiments,and to develop numerical models that consider the flexible properties of mangroves to better predict wave propagation in mangroves having complex morphology and structures.

关键词： mangrove coastal protection disaster prevention and mitigation disaster reduction value coastal resilience

Review of the evolution and prevention of friction,wear,and noise for water-lubricated bearings used in ships

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Friction 2024年第1期12卷 1-38页

作者： Zhuo ZHANG Wu OUYANG Xingxin LIANG xinping YAN Chengqin YUAN Xincong ZHOU Zhiwei GUO Conglin DONG Zhenglin LIU Yong JIN Jinhua XIAO School of Transportation and Logistics Engineering Wuhan University of TechnologyWuhan 430063China Reliability Engineering Institute National Engineering Research Center for Water Transport SafetyWuhan 430063China School of Naval Architecture Ocean and Energy Power EngineeringWuhan University of TechnologyWuhan 430063China East Lake Laboratory Wuhan 420202China

With the development of green tribology in the shipping industry,the application of water lubrication gradually replaces oil lubrication in stern bearings and thrust *** terms of large-scale and high-speed ships,water-lubricated bearings with high performance are more strictly ***,due to the lubricating medium,water-lubricated bearings have many problems such as friction,wear,vibration,noise,*** review focuses on the performance of marine water-lubricated bearings and their failure prevention ***,the research of marine water-lubricated bearings is reviewed by discussing its lubrication principle,test technology,friction and wear mechanism,and friction noise generation *** performance enhancement methods have been overviewed from structure optimization and material ***,the potential problems and the perspective of water-lubricated bearings are given in detail.

关键词： water-lubricated bearings lubrication principles test techniques friction and wear friction noise evolution and prevention

China-Nicaragua:dos años después

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今日中国（西文版） 2024年第2期 37-38页

作者： ZHOU xinping 不详

Two-year longitudinal change in choroidal and retinal thickness in school-aged myopic children:exploratory analysis of clinical trials for myopia progression

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Eye and Vision 2024年第4期10卷 1-10页

作者： Meiping Xu xinping Yu Minghui Wan Kemi Feng Junxiao Zhang Meixiao Shen BjÖrn Drobe Hao Chen Jia Qu Jinhua Bao Eye Hospital and School of Ophthalmology and Optometry Wenzhou Medical UniversityWenzhouZhejiangChina National Clinical Research Center for Ocular Diseases WenzhouZhejiangChina. WEiRC WMU-Essilor International Research CenterWenzhouZhejiangChina R&D Vision Sciences AMERA EssilorInternationalSingaporeSingapore

Background:With increasing axial length(AL)and myopia progression,the micro-structure of the retina and choroid gradually *** study describes the longitudinal changes in retinal and choroidal thickness in school-aged children with myopia and explores the relationship between changes in choroidal thickness and myopia ***:An exploratory analysis of a randomized trial was ***(n=168,aged 7 to 12 years)with myopia from-0.75 diopter(D)to-4.00 D were enrolled in this prospective longitudinal *** refraction,AL,retinal and choroidal thicknesses were measured at baseline and at 1-and 2-year follow-ups."Rapid progression myopia"was defined as increasing in myopia>1.00 D and'"stable progression myopia"was≤1.00 D during the 2-year *** affecting the changes in choroidal thickness were analysed using linear mixed ***:AL significantly increased by 0.67±0.24 mm with a myopic shift of-1.50±0.64 D over the 2 *** overall retinal thickness increased from 251.12±15.91μm at baseline to 253.47±15.74μm at the 2-year followup(F=23.785,P<0.001).The subfoveal choroidal thickness decreased from 231.03±54.04μm at baseline to 206.53±59.71μm at the 2-year follow-up(F=73.358,P<0.001).Choroidal thinning was significantly associated with AL elongation(β=-43.579μm/mm,P=0.002)and sex(β=-17.258,P=0.001).Choroidal thickness continued to decrease in subjects with rapid progression(F=92.06,P<0.001)but not in those with steady progression(F=2.23,P=0.119).Conclusion:Significant choroidal thinning was observed and was associated with rapid progression and *** findings indicate a need to understand the role of the choroid in eye growth and myopia ***/Precis:The macular choroidal thickness of myopic children is relevant to different degrees of myopic progression in this 2-year longitudinal *** findings suggest that control of choroidal thickness might work to regulate human ocular growth.

关键词： Axial length Choroidal thickness Children Myopia Spectral-domain optical coherence tomography

Effects of prebiotics on the fermentation of traditional suancai of Northeast China

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Food Science and Human Wellness 2024年第3期13卷 1358-1367页

作者： Mingwei Zhao Xinying Cao Yuzheng Wu Sibo Zou Zhigao Li xinping Lin Chaofan Ji Liang Dong Sufang Zhang Chenxu Yu Huipeng Liang National Engineering Research Center of Seafood Collaborative Innovation Center of Provincial and Ministerial Co-construction for Deep ProcessingCollaborative Innovation Center of Seafood Deep ProcessingSchool of Food Science and TechnologyDalian Polytechnic UniversityDalian 116034China Department of Agricultural and Biosystems Engineering Iowa State UniversityIA 50011USA

Suancai is a traditional fermented vegetable widely consumed in Northeast *** this study,different prebiotics were used to improve the quality of *** prebiotics(inulin(INU),xylooligosaccharide(XO S),galactooligosaccharide(GOS),and stachyose(STA))were shown to reduce the pH value and increase the content of total titratable acidity(TTA)in suancai,while the contents of most organic acids were also *** addition of prebiotics had significant effects on the bacterial microbiota during the suancai fermentation *** prebiotics were shown to contribute to the growth of *** suancai sample with fructooligosaccharides(FOS)had the highest relative abundance of ***,INU and XOS could increase the abundance of *** evaluate the quality of suancai fermented with prebiotics,profiles of volatile flavor compounds(VOCs)and free amino acids(FAA)were *** prebiotics affected the VOCs and FAA profiles via transforming the bacterial *** addition,the addition of prebiotics also changed the taste profiles of the suancai *** study is among the first attempts to reveal the effects of different prebiotics on suancai fermentation,and the findings provide a foundation to develop new ways for improving the quality of suancai.

关键词： Bacterial microbiota Lactic acid bacteria Flavor Amino acid Taste

Greenhouse gas emissions mitigation and economic viability of sugar crops in China

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Frontiers of Agricultural Science and Engineering 2024年第3期11卷 397-408,I0004页

作者： Linsheng YANG Xiaozhong WANG Wushuai ZHANG Prakash LAKSHMANAN Yan DENG Xiaojun SHI xinping CHEN Fusuo ZHANG Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin College of Resources and EnvironmentSouthwest UniversityChongqing 400716China Key Laboratory of Low-carbon Green Agriculture in Southwestern China(Ministry of Agriculture and Rural Affairs) Southwest UniversityChongqing 400716China Rice Research Institute Anhui Academy of Agricultural SciencesHefei 230031China Key Laboratory of Sugarcane Biotechnology and Genetic Improvement(Guangxi) Ministry of Agriculture and Rural AffairsGuangxi Key Laboratory of Sugarcane Genetic ImprovementGuangxi Academy of Agricultural SciencesSugarcane Research InstituteGuangxi Academy of Agricultural SciencesNanning 530007China Center for Resources Environment and Food SecurityChina Agricultural UniversityBeijing 100193China

Climate change mitigation is a major challenge of human ***,to this end,many countries including China are committed to achieving carbon neutrality within a few *** is a major sugarcane and sugar beet producing country and has one of the largest carbon footprint for sugarcane and sugar beet production globally.A comprehensive study was conducted on sugarcane and sugar beet crops grown in China for greenhouse gas(GHG)emissions mitigation potential,economic crop production from a sustainable sugar production ***-term trend analysis showed that yield and GHG emissions of sugarcane and sugar beet crops increased but the ratio of income to cost *** equation model analysis revealed nitrogen fertilizer and labor as the major drivers of GHG emissions for both sugarcane and sugar *** sugarcane and sugar beet,the path coefficient of N fertilizer were‒0.964 and‒0.835 and that of labor were 0.771 and 0.589,*** transitioning the current cropping system to an improved model with optimized labor,N input and machinery use,the GHG emissions and total annual cost of sugarcane and sugar beet production can be reduced by 32%and 24%,respectively,by 2030,compared to a business-as-usual *** is the first integrated and comparative study of environmental and economic sustainability of sugarcane and sugar beet production in *** findings will enable all stakeholders of Chinese sugarcane and sugar beet industries to transform them into environmentally and economically sustainable sugar production.

关键词： Economic profits GHG emissions labor input nitrogen input sugar

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机械球磨制备氢氧化镍的电化学性能

武汉大学学报（理学版） 2006年第4期52卷 435-438页

作者：范海满曹余良艾新平杨汉西武汉大学化学与分子科学学院湖北武汉430072

采用直接固相球磨含结晶水镍盐与碱的方法在短时间内(0.5 h)合成了氢氧化镍正极材料.X-射线衍射和扫描电镜分析表明:球磨反应产物为-βNi(OH)2,粒度分布在5μm左右,粒子之间存在着少量纳米级的颗粒,粒子表面蓬松,颗粒具有较大的比表面... 详细信息

采用直接固相球磨含结晶水镍盐与碱的方法在短时间内(0.5 h)合成了氢氧化镍正极材料.X-射线衍射和扫描电镜分析表明:球磨反应产物为-βNi(OH)2,粒度分布在5μm左右,粒子之间存在着少量纳米级的颗粒,粒子表面蓬松,颗粒具有较大的比表面积且极富孔隙结构.充放电测试表明,该材料可逆容量达到250 mAh.g-1以上,放电容量高于市售的球形氢氧化镍;大倍率电流密度(289 mA.g-1)充放容量仍达220 mAh.g-1,且具有良好的循环性能.与传统的液相合成法相比,该合成方法快速简单、无污染排放,具有良好的应用前景.

关键词：机械球磨 β-Ni(OH)2 高活性绿色合成

Hyphae-mediated bioassembly of carbon fibers derivatives for advanced battery energy storage

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Carbon Energy 2024年第6期6卷 140-150页

作者： Lei Huang Zhong Qiu Ping Liu Xinhui Xia Feng Cao xinping He Chen Wang Wangjun Wan Yongqi Zhang Yang Xia Wenkui Zhang Minghua Chen Jiancang Zhou Department of Critical Care Medicine Sir Run Run Shaw HospitalSchool of MedicineZhejiang UniversityHangzhouChina State Key Laboratory of Silicon Materials Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang ProvinceSchool of Materials Science&EngineeringZhejiang UniversityHangzhouChina College of Materials Science&Engineering Zhejiang University of TechnologyHangzhouChina State Key Laboratory of Photocatalysis on Energy and Environment Fuzhou UniversityFuzhouChina Department of Engineering Technology Huzhou CollegeHuzhouChina Zhejiang Academy of Science and Technology for Inspection&Quarantine HangzhouZhejiangChina Institute of Fundamental and Frontier Science University of Electronic Science and Technology of ChinaChengduChina Key Laboratory of Engineering Dielectric and Applications(Ministry of Education) School of Electrical and Electronic EngineeringHarbin University of Science and TechnologyHarbinChina

Ingenious design and fabrication of advanced carbon-based sulfur cathodes are extremely important to the development of high-energy lithium-sulfur batteries,which hold promise as the next-generation power ***,for the first time,we report a novel versatile hyphae-mediated biological assembly technology to achieve scale production of hyphae carbon fibers(HCFs)derivatives,in which different components including carbon,metal compounds,and semiconductors can be homogeneously assembled with HCFs to form composite *** mechanism of biological adsorption assembly is also *** a representative,reduced graphene oxides(rGOs)decorated with hollow carbon spheres(HCSs)successfully co-assemble with HCFs to form HCSs@rGOs/HCFs hosts for sulfur *** this unique architecture,not only large accommodation space for sulfur but also restrained volume expansion and fast charge transport paths are ***,multiscale physical barriers plus chemisorption sites are simultaneously established to anchor soluble lithium ***,the designed HCSs@rGOs/HCFs-S cathodes deliver a high capacity(1189 mA h g^(-1)at 0.1 C)and good high-rate capability(686 mA h g^(-1)at 5 C).Our work provides a new approach for the preparation of high-performance carbon-based electrodes for energy storage devices.

关键词： bioassembly carbon fibers energy storage graphene lithium-sulfur batteries