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Suppress oxygen evolution of lithium-rich manganese-based cathode materials via an integrated strategy

Green Energy & Environment 2024年第1期9卷 138-151页

作者： Wenhua Yu Yanyan Wang Aimin Wu Aikui Li Zhiwen Qiu Xufeng Dong Chuang Dong Hao Huang Key Laboratory of Energy Materials and Devices(liaoning province) School of Materials Science and EngineeringDalian University of TechnologyDalian116024Liaoning ProvinceChina Dalian Engineering Research center for New Electric Power Systerms School of Electrical EngineeringDalian University of TechnologyDalian116024Liaoning ProvinceChina

Improving the reversibility of anionic redox and inhibiting irreversible oxygen evolution are the main challenges in the application of high reversible capacity Li-rich Mn-based cathode materials.A facile synchronous lithiation strategy combining the advantages of yttrium doping and LiYO_(2) surface coating is *** doping effectively suppresses the oxygen evolution during the delithiation process by increasing the energy barrier of oxygen evolution reaction through strong Y–O bond ***_(2) nanocoating has the function of structural constraint and protection,that protecting the lattice oxygen exposed to the surface,thus avoiding irreversible *** an Li^(+) conductor,LiYO_(2) nano-coating can provide a fast Li^(+) transfer channel,which enables the sample to have excellent rate *** synergistic effect of Y doping and nano-LiYO_(2) coating integration suppresses the oxygen release from the surface,accelerates the diffusion of Li^(+)from electrolyte to electrode and decreases the interfacial side reactions,enabling the lithium ion batteries to obtain good electrochemical *** lithium-ion full cell employing the Y-1 sample(cathode)and commercial graphite(anode)exhibit an excellent specific energy density of 442.9 Wh kg^(-1) at a current density of 0.1C,with very stable safety performance,which can be used in a wide temperature range(60 to-15℃)stable *** result illustrates a new integration strategy for advanced cathode materials to achieve high specific energy density.

关键词： Lithium-rich manganese-based cathodes Lithium ion batteries Oxygen redox Oxygen evolution Integrated strategy

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Variations in Column Concentration of Greenhouse Gases in China and Their Response to the 2015-2016 El Niño Event

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Journal of meteorological Research 2024年第3期38卷 608-619页

作者： Ningwei LIU Lingjun XIA Youjun DOU Shaorou DONG Jing WEN Ying WANG Rui FENG Ruonan WANG Yuhe LI Institute of Atmospheric Environment China Meteorological AdministrationShenyang110166China Jiangxi Ecological Meteorology Centre Nanchang330096China Beijing Xiangyuan Academy of meteorological Observing Technology Beijing100081China Climate Centre of Guangdong province Guangzhou510641China Guangdong meteorological service Guangzhou510062China liaoning Provincial meteorological Equipment Support Centre Shenyang110166China meteorological Centre of Northeast Air Traffic Administration of Civil Aviation of China Shenyang110161China

Since the industrial revolution,enhancement of atmospheric greenhouse gas concentrations as a result of human activities has been the primary cause of global *** monitoring and evaluation of greenhouse gases are significant prerequisites for carbon emission *** monthly data of global atmospheric carbon dioxide(CO_(2))and methane(CH4)column concentrations(hereinafter XCO_(2) and XCH_(4),respectively)retrieved by the Greenhouse Gas Observation Satellite(GOSAT),we analyzed the variations in XCO_(2)and XCH_(4)in China during 2010-2022 after confirming the reliability of the ***,the influence of a strong El Niño event in 2015-2016 on XCO_(2) and XCH_(4) variations in China was further *** results show that the retrieved XCO_(2) and XCH_(4) from GOSAT have similar temporal variation trends and significant correlations with the ground observation and emission inventory data of an atmospheric background station,which could be used to assess the variations in XCO_(2) and XCH_(4) in ***_(2) is high in spring and winter while XCH_(4) is high in *** XCO_(2) and XCH_(4) gradually declined from Southeast China to Northwest and Northeast China,with variation ranges of 401-406 and 1.81-1.88 ppmv,respectively;and the high value areas are located in the middle-lower Yangtze River ***_(2) and XCH_(4) in China increased as a whole during 2010-2022,with rapid enhancement and high levels of XCO_(2) and XCH_(4) in several *** significant increases in XCO_(2) and XCH_(4) over China in 2016 might be closely related to the strong El Niño-Southern Oscillation(ENSO)event during *** a global warming background in 2015,XCO_(2) and XCH_(4) increased by 0.768%and 0.657%in 2016 in *** analysis reveals that both the XCO_(2) and XCH_(4) variations might reflect the significant impact of the ENSO event on glacier melting in the Tibetan Plateau.

关键词： greenhouse gases column concentration CO_(2) CH4 El Niño-Southern Oscillation(ENSO) El Niño

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Ten-Minute Synthesis of a New Redox-Active Aqueous Binder for Flame-Retardant Li-S Batteries

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Energy & Environmental Materials 2024年第2期7卷 48-57页

作者： Tianpeng Zhang Borui Li Zihui Song Wanyuan Jiang Siyang Liu Runyue Mao Xigao Jian Fangyuan Hu School of Materials Science and Engineering State Key Laboratory of Fine ChemicalsFrontiers Science Center for Smart Materials Oriented Chemical Engineering Technology Innovation Center of High Performance Resin Materials(Liaoning Province)Key Laboratory of Energy Materials and Devices(Liaoning Province)Dalian University of TechnologyDalian 116024China State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart Materials Oriented Chemical EngineeringSchool of Chemical Engineering Technology Innovation Center of High Performance Resin Materials(Liaoning Province)Key Laboratory of Energy Materials and Devices(Liaoning Province)Dalian University of TechnologyDalian 116024China

As a critical role in battery systems,polymer binders have been shown to efficiently suppress the lithium polysulfide shuttling and accommodate volume changes in recent ***,preparation processes and safety,as the key criterions for Li-S batteries'practical applications,still attract less ***,an aqueous multifunction binder(named PEI-TIC)is prepared via an easy and fast epoxy-amine ring-opening reaction(10 min),which can not only give the sulfur cathode a stable mechanical property,a strong chemical adsorption and catalytic conversion ability,but also a fire safety *** Li-S batteries based on the PEI-TIC binder display a high discharge capacity(1297.8 mAh g^(-1)),superior rate performance(823.0 mAh g^(-1)at 2 C),and an ultralow capacity decay rate of 0.035%over more than 800 *** under 7.1 mg cm^(-2)S-loaded,the PEI-TIC electrode can also achieve a high areal capacity of 7.2 mA h g^(-1)and excellent cycling stability,confirming its application ***,it is also noted that TG-FTIR test is performed for the first time to explore the flame-retardant mechanism of polymer *** work provides an economically and environmentally friendly binder for the practical application and inspires the exploration of the flame-retardant mechanism of all electrode components.

关键词： 3D cross-linked network environmentally friendly flame retardant Li-S batteries multifunction binder

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New material of Coniopteris simplex from the Middle Jurassic of the Ordos Basin,Inner Mongolia,China and implications on its spatio-temporal distribution and paleogeography

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Journal of Palaeogeography 2024年第2期13卷 199-211页

作者： Yun-Feng Li Chang-Lu Zhang Fei Liang Xiao Tan Fan-Hao Gong Chun-Lin Sun Tao Li Yu-Ling Na Research center of Paleontology and Stratigraphy Jilin UniversityChangchun 130026Jilin ProvinceChina College of Earth Sciences Jilin UniversityChangchun 130061Jilin ProvinceChina College of Paleontology Shenyang Normal UniversityShenyang 110034Liaoning ProvinceChina Key Lab of Evolution of Past Life in NE Asia Ministry of Natural ResourcesShenyang Normal UniversityShenyang 110034Liaoning ProvinceChina Shenyang center of Geological Survey China Geological SurveyShenyang 110034Liaoning ProvinceChina

Coniopteris simplex is a common component in many Jurassic ***,due to morphological variations in sterile fronds and incomplete preservation of reproductive organs,its classification has been controversial for a long ***,we present new material collected from the Middle Jurassic Yan’an Formation in the Ordos Basin,Inner *** new material reveals important morphological characters,including hemi-dimorphic fronds,two forms of sterile pinnae,short-stalked sori and sporangia on fertile fronds,annulus of sporangium composed of about 30 cells,in situ rounded triangular spores with protruded suture,and the lips of trilete laesura encircled by one or two rows of small *** on these observations,we emended the diagnosis of this common *** spatio-temporal distribution of Coniopteris simplex shows that the iconic species was restricted to the paleolatitudes ranging from 19.5°N to 48.9°N in the Northern Hemisphere during the Early—Late Jurassic,mainly distributed in the tropical to paratropical zones,and the paleolongitude ranging from 9.6°E to 129.3°E,which may be limited by the opening of the Viking Corridor and the splitting of the Central Atlantic Ocean.

关键词： Coniopteris simplex Yan'an Formation Middle Jurassic Inner Mongolia Paleogeography

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Muscle strength and non-alcoholic fatty liver disease/metabolicassociated fatty liver disease

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World Journal of Gastroenterology 2024年第7期30卷 636-643页

作者： Xuan-Yu Hao Kai Zhang Xing-Yong Huang Fei Yang Si-Yu Sun Department of Gastroenterology Endoscopic CenterShengjing Hospital of China Medical UniversityShenyang 110004Liaoning ProvinceChina Department of Gastroenterology Endoscopic CenterEngineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic TechniquesShengjing Hospital of China Medical UniversityShenyang 110004Liaoning ProvinceChina

This editorial comments on an article published in a recent issue of World Journal of Gastroenterology,entitled“Association of low muscle strength with metabolic dysfunction-associated fatty liver disease:A nationwide study”.We focused on the association between muscle strength and the incidence of non-alcoholic fatty liver disease(NAFLD)and metabolic-associated fatty liver disease(MAFLD),as well as the mechanisms underlying the correlation and related clinical ***,which is now redefined as MAFLD,is one of the most common chronic liver diseases globally with an increasing prevalence and is characterized by malnutrition,which may contribute to decreased muscle *** of muscle strength reportedly has a pathogenesis similar to that of NAFLD/MAFLD,including insulin resistance,inflammation,sedentary behavior,as well as insufficient vitamin *** studies have focused on the relationship between sarcopenia or muscle strength and ***,studies investigating the relationship between muscle strength and MAFLD are *** to the shortage of specific medications for NAFLD/MAFLD treatment,early detection is ***,the relationship between muscle strength and NAFLD/MAFLD suggests that improvements in muscle strength may have an impact on disease prevention and may provide novel insights into treatments including dietary therapy,as well as tailored physical activity.

关键词： Muscle strength Non-alcoholic fatty liver disease Metabolic-associated fatty liver disease Sarcopenia Insulin resistance Inflammation

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Pan-cancer immunogenic death analysis identifies key roles of CXCR3 and CCL18 in hepatocellular carcinoma

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Genes & Diseases 2024年第2期11卷 568-570页

作者： Jia Guo Xin Sun Guowei Pan Ce Li Xin He Xiaofang Che Zan Teng Xiujuan Qu Yunpeng Liu Bowen Yang Department of Medical Oncology Provincial Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning ProvinceLiaoning Provincial Clinical Research Center for CancerClinical Cancer Research Center of ShenyangThe First Hospital of China Medical UniversityShenyangLiaoning 110001China Research center for Universal Health School of Public HealthChina Medical UniversityShenyangLiaoning 110122China

Immunogenic death is a form of programmed cell death that is common in the development and progression of ***,its impact on tumor progression differs depending on the location of the ***,it also plays an important role in antitumor immunity because the process of immunogenic death can release substances that activate immunity.1 Therefore,in this study,the key mechanism of mediating immunogenic death in hepatocellular carcinoma(HCC)was found from the excavation of the immunogenic death characteristics of pan-cancer and the in-depth investigation of its effects on different tumor types(Fig.1A).

关键词： death CXCR3 immunity

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Gut microbiota and female health

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World Journal of Gastroenterology 2024年第12期30卷 1655-1662页

作者： Meng-Yao Wang Li-Xuan Sang Si-Yu Sun Department of Gastroenterology Shengjing Hospital of China Medical UniversityShenyang 110022Liaoning ProvinceChina Department of Gastroenterology Endoscopic CenterEngineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic TechniquesShengjing Hospital of China Medical UniversityShenyang 110004Liaoning ProvinceChina

The gut microbiota is recognized as an endocrine organ with the capacity to influence distant organs and associated biological *** advan-cements underscore the critical role of gut microbial homeostasis in female health;with dysbiosis potentially leading to diseases among women such as polycystic ovarian syndrome,endometriosis,breast cancer,cervical cancer,and ovarian cancer *** this,there has been limited discussion on the underlying *** editorial explores the three potential mechanisms through which gut microbiota dysbiosis may impact the development of diseases among women,namely,the immune system,the gut microbiota-estrogen axis,and the metabolite *** focused on approaches for treating diseases in women by addressing gut microbiota imbalances through probiotics,prebiotics supple-mentation,and fecal microbiota transplantation(FMT).Future studies should focus on determining the molecular mechanisms underlying associations between dysbiosis of gut microbiota and female diseases to realize precision medicine,with FMT emerging as a promising intervention.

关键词： Gut microbiota Female health Estrogen Polycystic ovarian syndrome Endometriosis

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A new Keggin-type polyoxometallate-based bifunctional catalyst for trace detection and pH-universal photodegradation of phenol

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Chinese Chemical Letters 2024年第8期35卷 335-340页

作者： Shuang Li Jiayu Sun Guocheng Liu Shuo Zhang Zhong Zhang Xiuli Wang College of Chemistry and Materials Engineering Professional Technology Innovation Center of Liaoning Province for Conversion Materials of Solar CellBohai UniversityJinzhou 121013China

The widespread application of phenolic substances in the field of food,medicine and industry,is harmful to the environment and human ***,it is very important to develop a con-venient and effective method to detect and degrade phenolic ***,we report a new keggin-type polyoxometallate-based metal-organic complex self-assembled under solvothermal condition,{[Cu(dap)(3-PA)]4(SiW_(12)O_(40))(H_(2)O)_(2)}·2H_(2)O(1,dap=1,2-diaminopropane,3-HPA=3-pyridineacrylic acid).1 shows an interesting 1D ladder-like *** a bifunctional catalyst,1 can be employed as a colori-metric sensor toward phenol with the relatively low detection limit(LOD)of 0.36μmol/L(S/N=3)in the wide range(0.001-0.1 mmol/L).The title colorimetric sensor is applied to determine phenol in various water environment with good recoveries ranging from 95%-105%.In addition,1 also exhibits excellent photocatalytic degradation toward phenol under visible light with the highest removal efficiency at 96%for 100 min and wide pH *** selectivity,stability and reliability of the detection of 1 towards phenol,as well as the detection for 4-chlorophenol,o-cresol,4-nitrophenol and phloroglucinol were ***,the photocatalytic reaction kinetics and the mechanisms of photodegradation of phenol were also investigated in detail.

关键词： POM-based metal-organic complex Bifunctional catalyst Phenolic colorimetric sensor Low detection limit pH-universal photocatalysis Photodegraded phenol

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Biological factors driving colorectal cancer metastasis

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World Journal of Gastrointestinal Oncology 2024年第2期16卷 259-272页

作者： Shuai-Xing An Zhao-Jin Yu Chen Fu Min-Jie Wei Long-Hai Shen Department of Pharmacology School of PharmacyChina Medical UniversityShenyang 110122Liaoning ProvinceChina liaoning Key Laboratory of Molecular Targeted Antitumor Drug Development and Evaluation Liaoning Cancer Immune Peptide Drug Engineering Technology Research CenterKey Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors(China Medical University)Ministry of EducationShenyang 110122Liaoning ProvinceChina BD Department Greenpine Pharma Group Co.LtdTianjin 300020China center of Oncology Genertec Liaoyou Gem Flower HospitalPanJin 124010Liaoning ProvinceChina

Approximately 20%of colorectal cancer(CRC)patients present with metastasis at *** Stage I-III CRC patients who undergo surgical resection,18%typically suffer from distal metastasis within the first three years following initial *** median survival duration after the diagnosis of metastatic CRC(mCRC)is only 9 *** is traditionally considered to be an advanced stage malignancy or is thought to be caused by incomplete resection of tumor tissue,allowing cancer cells to spread from primary to distant organs;however,increa-sing evidence suggests that the mCRC process can begin early in tumor *** patients present with high heterogeneity and diverse cancer phenotypes that are classified on the basis of molecular and morphological *** genomic and nongenomic events can induce subclone diversity,which leads to cancer and *** the course of mCRC,metastatic cascades are associated with invasive cancer cell migration through the circulatory system,extravasation,distal seeding,dormancy,and reactivation,with each step requiring specific molecular ***,cancer cells presenting neoantigens can be recognized and eliminated by the immune *** this review,we explain the biological factors that drive CRC metastasis,namely,genomic instability,epigenetic instability,the metastatic cascade,the cancer-immunity cycle,and external lifestyle *** remarkable progress in CRC research,the role of molecular classification in therapeutic intervention remains *** review shows the driving factors of mCRC which may help in identifying potential candidate biomarkers that can improve the diagnosis and early detection of mCRC cases.

关键词： cancer Metastasis cascade Cancer immunity Genomic variation Epigenetic instability Lifestyle factor

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Characterization and Application of S-Band Polarimetric Radar and X-Band Phased Array Radar for a Tornadic Storm Event on June 16,2022

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Journal of Tropical Meteorology 2024年第2期30卷 189-199页

作者：陈炳洪傅佩玲张羽苏冉田聪聪陈超 Guangzhou meteorological Observatory Guangzhou 511430 China China meteorological Administration Tornado Key Laboratory Guangdong Meteorological ServiceFoshanGuangdong 528010 China Collaborative Innovation center for Smart Meteorology of Guangzhou Guangzhou 511430 China Guangdong meteorological Observatory Guangzhou 510640 China

The X-band phased array radar offers faster scanning speed and higher spatial resolution compared to the S-band radar,making it capable of enhancing tornado monitoring and early warning *** study analyzed the characteristics and nowcasting signals of a tornado case that occurred on June 16,2022 in the Guangzhou *** findings indicate that the violent contraction of rotation radius and the dramatic increase in rotation speed were important signal characteristics associated with tornado *** X-band phased array radar,with its high temporal and spatial resolution,provided an opportunity to capture early warning signals from polarimetric *** X-band phased array radar demonstrated noteworthy ability to identify apparent tornado vortex signature(TVS)features in a 10-minute lead time,surpassing the capabilities of the CINRAD/SA ***,due to its higher scanning frequency,the Xband phased-array radar was capable of consistently identifying TVS with shorter intervals,enabling a more precise tracking of the tornado's *** application of professional radars,in this case,provides valuable insights for the monitoring of evolutions of severe local storms and even tornadoes and the issuance of early warning signals.

关键词： tornadoes X-band phased array radar mesocyclone rotation radius

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