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On B(5,20)2-Groups

Algebra Colloquium 2024年第3期31卷 429-440页

作者： e.A.Alhassan y.L.Tan y.Li School of Mathematical Sciences Jiangsu UniversityZhenjiangJiangsu 212013China Department of Mathematics Brock UniversitySt.CatharinesOntario L2S 3A1Canada

A finite group G is said to be a B(n,k)group if for any n-e.e.ent subset[a_(1),…,a_(n)]of G,|{a_(i)a_(j)|1≤i,j≤n}|≤*** is of inte.e.t to characterize the structure of B(n,k)groups for n(n+1)/2≤k≤n^(2)-*** B(5,k)groups for 15≤k≤19 have been investigated by se.e.al *** this paper,we give a comple.e.characterization of B(5,20)2-groups by showing the.e.are five classes of such groups which are nontrivial and nonabelian.

关键词： B(n,k)groups small squaring property central extension GAP

Malargüe Site Re.e.iation:A Successful Solution for Uranium Mill Tailings

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原子能科学技术 2024年第10期58卷 2088-2094页

作者： BARARI e DíAZ J G GIOMIA KeMPF R A National Atomic e.e.gy Commission Av.Del Libertador 8250Ciudad Autónoma de Buenos AiresC1429BNPArgentina

Comisión Nacional de.e.ergía Atómica (CNeA) has the responsibility for restoring uranium mining facilities once the operations have ***,within its environmental Program and in compliance with its legal responsibilities,decides to imple.e.t a restoration project for all sites related to the mining and processing of uranium *** Malargüe Site is located within the Province of Mendoza in the city of Malargü*** is the first site to successfully comple.e.its *** activities consist of relocation of tailings to an engineering *** tailings manage.e.t(encapsulation) and rehabilitation of the area was finished in June *** re.e.iation alternative for the ore tailings was se.e.ted after conducting comparative studies and submitted the project to the society for *** objective of the.e.capsulation of the mineral tails is to isolate them from the.e.vironment,also proceeding with the decontamination and rehabilitation of the area (landscaping,post-closure monitoring and 20 years monitoring period).encapsulation consisted of the construction of a containment cell for the mine tailings,to isolate them and pre.e.t pollutants from entering the.e.vironment through the transfer *** clean the impacted areas,the soil was removed,it was incorporated into the.e.capsulation,and the filling was carried out with natural soils from the *** pre.e.ts radon transfer to the.e.vironment,as ^(222)Ra is an alpha emitter with a half-life of four days,which produces its own radioactive *** progeny are solids,and when a ^(222)Ra nucleus emits an alpha particle into the air,the resulting ^(218)Po nucleus,momentarily e.e.trically charged,adhe.e. to any dust *** pre.e.ts the discharge into the air containing radon and also containing dust particles charged with intensely radioactive radon *** tasks mentioned make it possible to decrease radon emanation,reduce radiological risks to the public and pre

关键词： re.e.iation radionuclide transfer tailings encapsulation solution sustainable

A holistic approach to improving safety for battery e.e.gy storage systems

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Journal of e.e.gy Chemistry 2024年第5期92卷 422-439页

作者： James Close Jonathan e.Barnard y.M.John Chew Semali Pe.e.a Department of Chemical engineering Centre for DigitalManufacturing&DesignUniversity of BathBath BA27AYUK ioMosaic International Limited 16-18 Queen SquareBath BA12HNUK

The integration of battery e.e.gy storage systems(BeSS)throughout our e.e.gy chain poses concerns regarding safety,especially since batteries have high e.e.gy density and numerous BeSS failure.e.ents have *** spread adoption will only increase the prevalence of the.e.failure.e.ents unless the.e.is a step change in the manage.e.t and design of *** understand the causes of failure,the main challenges of BeSS safety are *** consequences and failure.e.ents are discussed,including specific focus on the chain of e.e.ts causing thermal runaway,and a case study of a BeSS explosion in Surprise Arizona is *** on the technology and past e.e.ts,a paradigm shift is required to improve BeSS *** this review,a holistic approach is *** combines currently adopted approaches including battery cell testing,lumped cell mathematical modelling,and calorimetry,alongside additional measures taken to ensure BeSS safety including the require.e.t for computational fluid dynamics and kinetic modelling,assessment of installation le.e. testing of the full BeSS system and not simply a single cell battery test,hazard and layers of protection analysis,gas chromatography,and composition *** holistic approach proposed in this study aims to address challenges of BeSS safety and form the basis of a paradigm shift in the safety manage.e.t and design of the.e.systems.

关键词： e.e.gy storagesystems Process safety Battery safety Thermal safety

Investigations of nuclear chirality at iThemba LABS

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Frontiers of physics 2024年第2期19卷 7-38页

作者： R.A.Bark e.A.Lawrie C.Liu S.y.Wang iThemba Laboratory for Acce.e.ator Based Sciences National Research FoundationP.O.Box 722Somerset-West 7129South Africa Department of Physics University of the Western CapePrivate Bag X177535BellvilleSouth Africa Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial environment Institute of Space SciencesShandong UniversityWeihai 264209China

Progress in the studies of chirality in atomic nuclei at iThemba LABS is *** regions of chirality,around mass 80 and 190 have been discove.e. using the AFRODITe array,specifically in the nuclei^(74)As,^(78,80,82)Br,^(81)Kr,and^(193,194,198)*** phenomena have been observed,including multiple chiral bands in the same nucleus,the coexistence of octupole correlations and nuclear chirality,and the coexistence of pseudo spin and nuclear *** best example of chiral de.e.eracy to date was found in ^(194)*** le.e. sche.e.of ^(106)Ag has been revisited and interpre.e. in terms of two-and four-quasiparticle *** using the particle-rotor model have shown that the fingerprints of chirality in the two-quasiparticle system only can occur in an idealised model *** systems with a higher number of quasiparticles,the calculations showed that nuclear chirality can persist.

关键词： chirality high-spin states particle-rotor model

Chromomagnetic dipole moments of light quarks in the bestest little Higgs model

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Chine.e.Physics C 2024年第10期48卷 125-136页

作者： T.Cisneros-Pérez e.Cruz-Albaro A.y.Ojeda-Castañeda S.e.Solís-Núñez Unidad Académica de Ciencias Químicas Universidad Autónoma de ZacatecasApartado Postal C-58598060 ZacatecasMexico Facultad de Física Universidad Autónoma de ZacatecasApartado Postal C-58098060 ZacatecasMexico

In this study,we investigated the anomalous Chromomagnetic Dipole Moment(CMDM),denoted as μ_(q)^(BLHM),of light quarks q=(u,c,d,s,b) within the framework of the Bestest Little Higgs Model(BLHM)as an extension of the Standard Model(SM).Our investigation encompassed novel interactions among the light quarks,heavy quark B,and heavy bosons (W'^(±),H^(±),φ^(±),η^(±))incorporating the.e.tended Cabibbo-Kobayashi-Maskawa(CKM)matrix characteristic of the *** thoroughly explored the permissible parame.e. space,yielding a spectrum of CMDM values ranging from 10^(-10) to 10^(-3).

关键词： beyond standard model flavor physics chromomagnetic dipole light quarks

Decision and Coordination of an e-commerce Supply Chain Considering Returns and Network externalities

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Journal of Systems Science and Systems engineering 2024年第5期33卷 552-575页

作者： Liang Shen Fei Lin yuyan Wang Luping Ding T.C.e.Cheng Dexia Wang School of Public Finance and Taxation Shandong University of Finance and Economicsjinan 250014China bschool of Manage.e.t Science and engineering Shandong University of Finance and EconomicsJinan 250014China PolyU Business School The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong 999077China

Considering the large number of returns in online sales and the network externalities of e-platforms,we de.e.op a de.e.tralized model and a centralized model to explore the impacts of returns and network externalities on e-commerce supply chain(eCSC)*** show that in the de.e.tralized model,the service le.e.,price,market demand,and eCSC members’profits increase with the network externality ***,the service le.e. and price increase,while the market demand and eCSC members’profits decrease with the product return *** centralized model is the optimal operating mode when it is properly *** design the“commission and return cost-sharing”contract to optimize.e.SC,in which the proportion of the.e.platform’s sharing of the return handling cost is exactly equal to the proportion of the system profit after *** on the de.e.tralized model,we de.e.op two extended models in which we.e.dogenize the impacts of the service le.e. and return rate on the network externality *** comparisons between the.e.tended and de.e.tralized models,we show that high-quality service can improve.e.SC’s profitability,while a high return rate hurts its economic performance.

关键词： e-commerce supply chain coordination mechanism network externalities return products

First results of turbulence investigation on Globus-M2 using radial correlation Doppler reflectometry

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Plasma Science and Technology 2024年第10期26卷 49-55页

作者： A.PONOMAReNKO A.yASHIN V.GUSeV e.KISe.e. G.KURSKIeV V.MINAeV y.PeTROV N.SAKHAROV P.SHCHeGOLeV e.TKACHeNKO N.ZHILTSOV Pe.e. the Great St.Pe.e.sburg Polytechnic University St.Petersburg 195251Russia Ioffe Institute St.Petersburg 194064Russia

The first results of investigation of the turbulence structure using Doppler backscattering(DBS)on the Globus-M2 tokamak are pre.e.ted.A one-channel DBS system with a variable probing frequency within the 18–26 GHz range was installed to investigate the.e.ge plasma at normalized minor radiiρ=0.9–*** correlation Doppler reflectometry was used to study the changes in turbulence.e.dies after the LH *** analysis was applied to the phase derivative of complex in-phase and quadrature(IQ)signals of the DBS diagnostic as it contains information about the poloidal plasma rotation *** L-mode,the radial correlation length L_(r)is estimated to be 3 cm and after transition to H-mode reduces to approximately 2 *** modelling in a linear local approximation using code Ge.e.indicates that the instability with positive growth rate at the normalized minor radiusρ=0.75 in L-mode and H-mode on Globus-M2 was the ion temperature gradient(ITG)mode.

关键词： tokamak turbulence Doppler backscattering correlation reflectometry

Mast cell activation syndrome:An up-to-date review of literature

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World Journal of Clinical Pediatrics 2024年第2期13卷 104-113页

作者： ÖnerÖzdemir Gökçe Kasımoğlu ayşegül Bak Hüseyin Sütlüoğlu Süreyya Savaşan Department of Pediatric Allergy and Immunology Sakarya UniversitySakaryaAdapazarı54100Türkiye Department of Pediatrics Sakarya UniversitySakaryaAdapazarı54100Türkiye Department of Pediatrics Kocaeli City HospitalKocaeli 50123Türkiye Department of Pediatrics Children’s Hospital of MichiganHematology/OncologyCentral Michigan University College of MedicineMount PleasantMI 48859United States Barbara Ann Karmanos Cancer Institute Wayne State UniversityDetroitMI 12345United States

Mast cells are a subtype of white blood cells and are involved in the immune *** cells contain many chemical substances called mediators,which are involved in the allergic *** fact that mast cells play a role in many e.e.ts that require urgent intervention,especially anaphylaxis,has led to a more detailed study of the.e.*** diseases also caused by dysfunctions of mast cells have been examined in many *** instance,mast cell activation syndrome is known as an augmented number of cells due to decreased cell death,resulting in clinical symptoms affecting many *** main common symptoms include flushing,hypotension,urticaria,angioe.e.a,headache,vomiting and *** the underlying mechanism is not yet clearly known,we aim to review the literature in a broad perspective and bring together the.e.isting knowledge in the light of the literature due to the diversity of its involve.e.t in the body and the fact that it is a little known syndrome.

关键词： Mast cell Mast cell activation syndrome Tryptase Histamine

CLASSIFICATIONS OF DUPIN HyPeRSURFACeS IN LIe SPHe.e.GeOMeTRy

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Acta Mathematica Scientia 2024年第1期44卷 1-36页

作者： Thomas e.CeCIL Department of Mathematics and Computer Science College of the Holy CrossWorcesterMA01610USA

This is a survey of local and global classification results concerning Dupin hypersurfaces in S^(n)(or R^(n))that have been obtained in the context of Lie sphe.e.*** emphasis is on results that relate Dupin hypersurfaces to isoparametric hypersurfaces in *** with the.e.classification results,many important concepts from Lie sphe.e.geometry,such as curvature sphe.e.,Lie curvatures,and Le.e.dre lifts of submanifolds of S^(n)(or R^(n)),are described in *** paper also contains se.e.al important constructions of Dupin hypersurfaces with certain special properties.

关键词： Dupin hypersurfaces isoparametric hypersurfaces Lie sphe.e.geometry Lie sphe.e.transformations Lie curvatures