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Thermodynamics of charged AdS black hole surrounded by quintessence in restricted phase space

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chinese Physics B 2024年第10期33卷 205-212页

作者： siyu Jian Siying Long Juhua c.en Yongjiu Wang Department of Physics Key Laboratory of Low Dimensional Quantum Structures and Quantum Control of Ministry of Educationand Synergetic Innovation Center for Quantum Effects and ApplicationsHunan Normal UniversityChangsha 410081China

We study thermodynamics of charged AdS black hole surrounded by quintessence in a new formalism which is called the restricted phase space *** context is based on Visser’s holographic thermodynamics with a fixed antide Sitter radius and a variable Newton *** conjugate variables,central charge c and the chemical potential m,are introduced as a new pair of thermodynamic *** find that the iso-e-charge T-S curve becomes non-monotonic when Qc).correspondingly,the F-T curve exhibits a swallow tail *** behavior is considered as a van der Waals-like phase *** the value of b related to the energy density of Kiselev’s fluid becomes larger,the critical temperature T_(c)will ***,the van derWaals-like phase transition will occur at lower *** is always a non-quilibrium transition from a small unstable black hole to a large stable black hole state in the isocoltage T-S *** exist a maximum and a Hawking-Page phase transition points in theμ-c *** the value of b related to Kiselev’s fluid becomes larger,the Hawking-Page phase transition will occur at lower temperature in the isovoltageμ-T *** other values of the state parameterω,there also exists van der Waals-like phase transition.

关键词： Reissner-Nordstrom qAdS black hole restricted phase space variable Newton constant

Bimetallic reduced graphene oxide/zeolitic imidazolate framework hybrid aerogels for effic.ent heavy metals removal

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Frontiers of chemical Sc.ence and engineering 2024年第8期18卷 49-66页

作者： Nurul A.Mazlan Allana Lewis Fraz Saeed Butt Rajakumari Krishnamoorthi siyu c.en Yi Huang School of engineering Institute for Materials&ProcessesThe University of EdinburghEdinburgh EH93FBUK

Graphene oxide is a promising adsorption ***,it has been difficult to recycle and separate graphene oxide in the *** alleviate this problem,graphene oxide was thermally reduced to produce porous hydrogel which was then functionalized with *** functional groups act as not only adsorption sites but also nucleation sites for in situ crystallization of cobalt-doped zeolitic-imidazolate-framework-8 *** effects of cobalt-doping contents on the physicochemical and adsorption properties of the resulting aerogel were also evaluated by varying the cobalt *** instance,the reduced graphene oxide-polydopamine/50cobalt-zeolitic-imidazolate-framework-8 aerogel exhibited a high surface area of 900 m^(2)·g^(-1)and maintained the structure in water after ten *** as-synthesized aerogels showed an ultrahigh adsorption capacity of 1217±24.35 mg·g^(-1)with a removal effic.ency of>99%of lead,as well as excellent adsorption performance toward other heavy metals,such as copper and cadmium with adsorption capacity of 1163±34.91 and 1059±31.77 mg·g^(-1),*** importantly,the lead adsorption stabilized at 1023±20.5 mg·g^(-1)with a removal effic.ency of>80%after seven cycles,indicating their potential in heavy metal removal from industrial wastewater.

关键词： rGO co-doped ZIF-8 heavy metals adsorption aerogel

Litter quality and decomposer complexity co-drive effect of drought on decomposition

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Forest Ecosystems 2024年第3期11卷 329-338页

作者： Shumei Wang Junwei Luan siyu Li Jinhao Ma Lin c.en Yi Wang Shirong Liu Sanya Research Base International Centre for Bamboo and RattanSanya572022China Institute of Resources and environment Key Laboratory of Bamboo and Rattan Science and Technology of National Forestry and Grassland AdministrationInternational Centre for Bamboo and RattanBeijing100102China Key Laboratory of Forest Ecology and environment of National Forestry and Grassland Administration Ecology and Nature Conservation InstituteChinese Academy of ForestryBeijing100091China Experimental center of Tropical Forestry Chinese Academy of ForestryPingxiang532600China Institute of Qinghai-Tibetan Plateau Southwest Minzu UniversityChengdu610041China

Litter decomposition is key to ecosystem carbon(c)and nutrient cycling,but this process is anticipated to weaken due to projected more extensive and prolonged *** how litter quality and decomposer community complexity regulate decomposition in response to drought is less ***,in a five-year manipulative drought experiment in a Masson pine forest,leaf litter from four subtropical tree species(Quercus griffthii Hook.f.&Thomson ex Miq.,Acacia mangium Willd.,Pinus massoniana Lamb.,castanopsis hystrix Miq.)representing different qualities was decomposed for 350 d in litterbags of three different mesh sizes(i.e.,0.05,1,and 5 mm),respectively,under natural conditions and a 50%throughfall rain exclusion *** of increasing mesh sizes discriminate decomposer communities(i.e.,microorganisms,microorganisms and mesofauna,microorganisms and meso-and macrofauna)that access the litter and represent an increasing *** amount of litter c and nitrogen(N)loss,and changes in their ratio(c/N_(loss)),as well as small and medium-sized decomposers including microorganisms,nematodes,and arthropods,were *** found that drought did not affect c and N loss but decreased c/N_(loss)(i.e.,decomposer N use effic.ency)of leaf litter irrespective of litter quality and decomposer ***,changes in the c/N_(loss)and the drought effect on c loss were both dependent on litter quality,while drought and decomposer complexity interactively affected litter c and N *** decomposer community complexity enhanced litter decomposition and allowing additional access of meso-and macro-fauna to litterbags mitigated the negative drought effect on the microbial-driven ***,both the increased diversity and altered trophic structure of nematode due to drought contributed to the mitigation effects via cascading *** results show that litter quality and soil decomposer community complexity co-drive the effect of

关键词： Arthropod Drought Decomposer community Nutrient cycling Nematode

VSe_(2)/V_(2)c heterocatalyst with built-in electric field for effic.ent lithium-sulfur batteries:Remedies polysulfide shuttle and conversion kinetics

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Journal of energy chemistry 2024年第2期89卷 397-409,I0010页

作者： Yanwei Lv Lina Bai Qi Jin siyu Deng Xinzhi Ma Fengfeng Han Juan Wang Lirong Zhang Lili Wu Xitian Zhang Key Laboratory for Photonic and Electronic Bandgap Materials Ministry of EducationSchool of Physics and Electronic EngineeringHarbin Normal UniversityHarbin 150025HeilongjiangChina

Lithium sulfur(Li-S)battery is a kind of burgeoning energy storage system with high energy ***,the electrolyte-soluble intermediate lithium polysulfides(Li PSs)undergo notorious shuttle effect,which seriously hinders the commercialization of Li-S ***,a unique VSe_(2)/V_(2)c heterostructure with local built-in electric field was rationally engineered from V_(2)c parent via a facile thermal selenization *** exquisitely synergizes the strong affinity of V_(2)c with the effective electrocatalytic activity of VSe_(2).More importantly,the local built-in electric field at the heterointerface can suffic.ently promote the electron/ion transport ability and eventually boost the conversion kinetics of sulfur *** Li-S battery equipped with VSe_(2)/V_(2)c-cNTs-PP separator achieved an outstanding initial specific capacity of 1439.1 m A h g^(-1)with a high capacity retention of 73%after 100 cycles at0.1 *** impressively,a wonderful capacity of 571.6 mA h g^(-1)was effectively maintained after 600cycles at 2 c with a capacity decay rate of 0.07%.Even under a sulfur loading of 4.8 mg cm^(-2),areal capacity still can be up to 5.6 m A h cm^(-2).In-situ Raman tests explicitly illustrate the effectiveness of VSe_(2)/V_(2)c-cNTs modifier in restricting Li PSs *** with density functional theory calculations,the underlying mechanism of VSe_(2)/V_(2)c heterostructure for remedying Li PSs shuttling and conversion kinetics was *** strategy of constructing VSe_(2)/V_(2)c heterocatalyst in this work proposes a universal protocol to design metal selenide-based separator modifier for Li-S ***,it opens an effic.ent avenue for the separator engineering of Li-S batteries.

关键词： Li-S battery Shuttle effect Separator modifier VSe_(2)/V_(2)c heterostructure Built-in electric field

Manipulating Na occupation and constructing protective film of P2-Na_(0.67)Ni_(0.33)Mn_(0.67)O_(2) as long-term cycle stability cathode for sodium-ion batteries

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Journal of energy chemistry 2024年第1期88卷 603-611,I0013页

作者： Yiran Sun Pengfei Zhou siyu Liu Zhongjun Zhao Yihao Pan Xiangyan Shen Xiaozhong Wu Jinping Zhao Junying Weng Jin Zhou School of chemistry and chemical engineering Shandong University of TechnologyZibo 0255000ShandongChina School of Materials Sc.ence and engineering Shandong University of TechnologyZibo 255049ShandongChina

P2-Na_(0.67)Ni_(0.33)Mn_(0.67)O_(2)(NNMO)is promising cathode material for sodium-ion batteries(SIBs)due to its high specific capacity and fast Na+diffusion ***,the irreversible P2-O_(2)phase transformation,Na+/vacancy ordering,and transition metal(TM)dissolution seriously damage its cycling stability and restrict its commercialization ***,Na occupation manipulation and interface stabilization are proposed to strengthen the phase structure of NNMO by synergistic Zn/Ti co-doping and introducing lithium difluorophosp(LiPO_(2)F_(2))film-forming electrolyte *** Zn/Ti co-doping regulates the occupancy ratio of Nae/Nafat Na sites and disorganizes the Na+/vacancy ordering,resulting in a faster Na+diffusion kinetics and reversible P2-Z phase transition for P2-Na_(0.67)Ni_(0.28)Zn_(0.05)Mn_(0.62)Ti_(0.05)O_(2)(NNZMTO).Meanwhile,the LiPO_(2)F_(2)additive can form homogeneous and ultrathin cathode-electrolyte interphase(cEI)on NNZMTO surface,which can stabilize the NNZMTO-electrolyte interface to prevent TM dissolution,surface structure transformation,and micro-crack *** studies of in situ and ex situ characterizations and theoretical calculations were used to elucidate the storage mechanism of NNZMTO with Li PO_(2)F_(2)*** a result,the NNZMTO displays outstanding capacity retention of 94.44%after 500 cycles at 1c with 0.3 wt%Li PO_(2)F_(2),excellent rate performance of 92.5 mA h g^(-1)at 8c with 0.1 wt%Li PO_(2)F_(2),and remarkable full cell *** work highlights the important role of manipulating Na occupation and constructing protective film in the design of layered materials,which provides a promising direction for developing high-performance cathodes for SIBs.

关键词： Layered cathode Zn/Ti co-doping Na occupation Electrolyte additive Sodium-ion batteries

Heterogeneous cu_(x)O Nano‑Skeletons from Waste Electronics for enhanced Glucose Detection

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Nano-Micro Letters 2024年第11期16卷 554-568页

作者： Yexin Pan Ruohan Yu Yalong Jiang Haosong Zhong Qiaoyaxiao Yuan connie Kong Wai Lee Rongliang Yang siyu c.en Yi c.en Wing Yan Poon Mitch Guijun Li center on Smart Manufacturing Division of Integrative Systems and DesignThe Hong Kong University of Science and TechnologyClear Water BayKowloonHong Kong SAR 999077People’s Republic of China The Sanya Sc.ence and Education Innovation Park of Wuhan University of Technology Sanya 572000People’s Republic of China State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200People’s Republic of China

Electronic waste(e-waste)and diabetes are global challenges to modern ***,solving these two challenges together has been challenging until ***,we propose a laser-induced transfer method to fabricate portable glucose sensors by recycling copper from *** bring up a laser-induced full-automatic fabrication method for synthesizing continuous heterogeneous cu_(x)O(h-cu_(x)O)nano-skeletons electrode for glucose sensing,offering rapid(clean,air-compatible,and continuous fabrication,applicable to a wide range of cu-containing *** this approach,h-cu_(x)O nanoskeletons,with an inner core predominantly composed of cu_(2)O with lower oxygen content,juxtaposed with an outer layer rich in amorphous cu_(x)O(a-cu_(x)O)with higher oxygen content,are derived from discarded printed circuit *** employed in glucose detection,the h-cu_(x)O nano-skeletons undergo a structural evolution process,transitioning into rigid cu_(2)O@cuO nano-skeletons prompted by electrochemical *** transformation yields exceptional glucose-sensing performance(sensitivity:9.893 mA mM^(-1) cm^(-2);detection limit:0.34μM),outperforming most previously reported glucose *** functional theory analysis elucidates that the heterogeneous structure facilitates gluconolactone *** glucose detection device has also been downsized to optimize its scalability and portability for convenient integration into people’s everyday lives.

关键词： copper oxide Electron 3D tomography E-waste Glucose detection Electrochemical activation

A novel semi-dominant allele of the transmembrane NAc transcription factor ZmNTL2 reduces the size of multiple maize organs

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The crop Journal 2024年第3期12卷 676-687页

作者： chuan Li Yun Bai Yuwei Hou siyu Wang Yue Xin Tao Yu Jing Wang Xiaowei Liu Hongyang Yi chao Xia Hai Lan Moju cao State Key Laboratory of crop Gene Exploration and Utilization in Southwest china Maize Research InstituteSichuan Agricultural UniversityChengdu 611130SichuanChina Jilin engineering Research center for crop Biotechnology Breeding College of Plant ScienceJilin UniversityChangchun 130012JilinChina

Maize plant architecture influences planting density and,in turn,grain *** of the plant architecture-related traits can be described as organ *** describe a miniature maize mutant,Tiny plant 4(Tip4),which exhibits reduced size of multiple organs and exhibits a semi-dominant monofactorial inheritance *** cloning confirmed that a 4-bp deletion in the NAc TF with transmembrane motif 1-Like(NTL)gene ZmNTL2,denoted as ZmNTL2^(Δ),confers the Tip4 ***-PcR showed that ZmNTL2 was expressed in all tested ***2 functions as a transcriptional activator and is located in both the nucleus and *** mutation does not affect the mRNA abundance of ZmNTL2 locus,but it does result in the loss of transmembrane domain and confines the ZmNTL2^(Δ)protein to the *** out ZmNTL2 has no effect on maize organ size development,indicating that the 4-bp deletion might be a gain-of-function mutation in organ size *** transcriptome sequencing with cytokinin and auxin content determination suggests that the decreased organ size may be possibly mediated by changes in hormone homeostasis.

关键词： Organ size c-ray mutagenesis Membrane-bound NAc TF Hormone homeostasis Maize

基于极值外推的特种车辆疲劳耐久性多轴载荷谱编制

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兵工学报 2024年第7期45卷 2414-2425页

作者：郑国峰杨思宇陈柏先隗寒冰赵树恩重庆交通大学机电与车辆工程学院重庆400074 中国汽车工程研究院股份有限公司重庆401122

非道路特种车辆服役载荷谱是整车结构耐久性的关键,为此提出基于极值外推的特种车辆疲劳耐久性多轴服役载荷编制方法。考虑到多轴载荷谱外推时的载荷通道之间具有相位关系,开展以临界平面损伤参量为基础的多轴载荷等效合成研究;构建极... 详细信息

非道路特种车辆服役载荷谱是整车结构耐久性的关键,为此提出基于极值外推的特种车辆疲劳耐久性多轴服役载荷编制方法。考虑到多轴载荷谱外推时的载荷通道之间具有相位关系,开展以临界平面损伤参量为基础的多轴载荷等效合成研究;构建极值超出量服从广义Pareto分布的多轴外推模型。利用等效合成载荷谱进行载荷外推,将基于等效合成系数获取的外推量分配到每个载荷通道上,实现考虑相位关系的多轴载荷外推。以典型工况下特种车辆的轮端六向力信号为研究对象进行多轴外推,并对比外推前后的载荷谱与采集载荷谱通道之间的相位关系、穿级计数、雨流计数和功率谱密度。研究结果表明:基于极值外推的特种车辆整车疲劳耐久性多轴载荷编制,可以实现在相同典型工况下多轴载荷谱的有效预测。

关键词：特种车辆多轴载荷谱极值外推相位关系

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Weakened tanning ability is an important mechanism for evolutionary skin lightening in East Asians

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Journal of Genetics and Genomics 2024年第7期51卷 703-713页

作者： Youwei Pu siyu Pu Yanyan c.en Qinghong Kong Xuyang Liu Qi Zhao Ke Xu Jiuming Liu Mengyuan Li Xiaoyu Xu Xiaoyang Qiao Bing Su Jing c.en Zhaohui Yang Tianjian Laboratory of Advanced Biomedical Sc.ences Academy of Medical ScienceZhengzhou UniversityZhengzhouHenan 450052China Department of Pediatric Surgery and Laboratory of Pediatric Surgery West China HospitalSichuan UniversityChengduSichuan 610041China Guizhou Provincial college-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines Zunyi Medical UniversityZunyiGuizhou 563000China Yunnan Key Laboratory of Primate Biomedical Research Institute of Primate Translational MedicineKunming University of Science and TechnologyKunmingYunnan 650500China State Key Laboratory of Genetic Resources and Evolution Kunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China center for Excellence in Animal Evolution and Genetics Chinese Academy of SciencesKunmingYunnan 650223China

The evolution of light-skin pigmentation among Eurasians is considered as an adaptation to the high-latitude *** Asians are ideal populations for studying skin color evolution because of the complex environment of East ***,we report a strong selection signal for the pigmentation gene phenylalanine hydroxylase(PAH)in light-skinned Han chinese *** intron mutation rs10778203 in PAH is enriched in East Asians and is significantly associated with skin color of the back of the hand in Han chinese males(Pciferase and transcription factor binding assays show that the ancestral allele of rs10778203 could bind to SMAD2 and has a significant enhancer activity for ***,the derived T allele(the major allele in East Asians)of rs10778203 decreases the binding activity of transcription factors and enhancer ***,the derived T allele of rs10778203 shows a weaker ultraviolet radiation response in A375 cells and zebrafish ***,rs10778203 decreases melanin production in transgenic zebrafish embryos after ultraviolet B(UVB)***,PAH is a potential pigmentation gene that regulates skin tanning *** selection has enriched the adaptive allele,resulting in weakened tanning ability in East Asians,suggesting a unique genetic mechanism for evolutionary skin lightening in East Asians.

关键词： East Asians PAH Skin pigmentation Natural selection Genetic adaptation