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Improved secure Identification-based Multilevel structure of Data sharing in Cloud Environments

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Computer systems science & Engineering 2022年第11期43卷 785-801页

作者： saraswathi shunmuganathan sridharan Kannan t.v.Madhusudhana Rao K.Ambika t.jayasankar Department of Computer science and Engineering SSN College of EngineeringChennaiTamil Nadu603110India Department of Computer science and Engineering J.K.K.Munirajah College of TechnologyErodeTamil Nadu638506India Department of Computer science and Engineering Vignan’s Institute of Information TechnologyVisakhapatnam530049India Department of Computer science and Engineering University College of EngineeringBIT CampusAnna UniversityTiruchirappalliTamil Nadu620024India Department of Electronics and Communication Engineering University College of EngineeringBIT CampusAnna UniversityTiruchirappalli620024India

the Cloud Computing Environment(CCE)developed for using the dynamic cloud is the ability of software and services likely to grow with any *** has transformed the methodology for storing the enterprise data,accessing the data,and Data sharing(Ds).Big data frame a constant way of uploading and sharing the cloud data in a hierarchical architecture with different kinds of separate privileges to access the *** the requirement of vast volumes of storage area in the CCEs,capturing a secured data access framework is an important *** paper proposes an Improved secure Identification-based Multilevel structure of Data sharing(IsIMsDs)to hold the Ds of big data in *** complex file partitioning technique is proposed to verify the access privilege context for sharing data in complex *** access control Encryption Method(EM)is used to improve the *** Complexity is measured to increase the authentication *** active attack is protected using this IsIMsDs *** proposed IsIMsDs method assists in diminishing the Complexity whenever the user’s population is increasing *** security analysis proves that the proposed IsIMsDs methodology is more secure against the chosen-Plaintext(Pt)attack and provides more efficient computation and storage space than the related *** performance of the proposed IsIMsDs methodology provides more efficiency in communication costs such as encryption,decryption,and retrieval of the data.

关键词： Data sharing cloud environments big data chosen-plaintext attack security

Dental pulp stem cells and BonelikevR for bone regeneration in ovine model

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Regenerative Biomaterials 2019年第1期6卷 49-59页

作者： j.M.Campos A.C.sousa A.R.Caseiro s.s.Pedrosa P.O.Pinto M.v.Branquinho I.Amorim j.D.santos t.Pereira C.M.Mendonca A.Afonso L.M.Atayde A.C.Maurı´cio Departamento de Clı´nicas veterina´rias Instituto de Cieˆncias Biome´dicas de Abel Salazar(ICBAS)Universidade do Porto(UP)Rua de Jorge Viterbo Ferreirano 2284050-313 PortoPortugal Centro de Estudos de Cieˆncia Animal(CECA) Instituto de CieˆnciasTecnologias e Agroambiente da Universidade do Porto(ICETA)Rua D.Manuel IIApartado 551424051-401 PortoPortugal Escola Universita´ria vasco da Gama(EUvG) Hospital Veterina´rio Universita´rio de Coimbra(HVUC)Campo Universita´rio–Bloco BLordem~aoCoimbraPortugal REQUIMtE/LAQv–U.Porto–Porto/Portugal Departamento de Engenharia Metalu´rgica e MateriaisFaculdade de EngenhariaUniversidade do PortoRuaDr.Roberto Friass/n4200-465 PortoPortugal Faculdade de Engenharia da Universidade do Porto(FEUP) Rua Dr.Roberto Frias4200-465 PortoPortugal Department of Pathology and Molecular Immunology of the Institute of Biomedical sciences Abel salazar(ICbas) University of Porto4050-313 PortoPortugal Institute for Research and Innovation in Health (i3S)University of PortoPortoPortugal Institute of Molecular Pathology and Immunology of the University of Porto(IPAtIMUP) 4200-135 PortoPortugal Faculdade de Medicina Denta´ria da Universidade do Porto(FMDUP) 4200-393 PortoPortugal

Development of synthetic bone substitutes has arisen as a major research interest in the need to find an alternative to autologous bone *** an ovine model,the present pre-clinical study presents a synthetic bone graft(BonelikevR)in combination with a cellular system as an alternative for the regeneration of non-critical *** association of biomaterials and cell-based therapies is a promising strategy for bone tissue *** stem cells(MsCs)from human dental pulp have demonstrated both in vitro and in vivo to interact with diverse biomaterial systems and promote mineral deposition,aiming at the reconstruction of osseous ***,these cells can be found and isolated from many ***-critical bone defects were treated with BonelikevR with or without MsCs obtained from the human dental *** showed that BonelikevR and MsCs treated defects showed improved bone regeneration compared with the defects treated with BonelikevR ***,it was observed that the biomaterial matrix was reabsorbed and gradually replaced by new bone during the healing *** therefore propose this combination as an efficient binomial strategy that promotes bone growth and vascularization in non-critical bone defects.

关键词： biomaterial BonelikevR bone regeneration,dental pulp human bone hydroxyapatite mesenchymal stem cells ovine model tissue regeneration tricalcium phosphate

Developing one-dimensional implosions for inertial confinement fusion science

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High Power Laser science and Engineering 2016年第4期4卷 1-7页

作者： j.L.Kline s.A.Yi A.N.simakov R.E.Olson D.C.Wilson G.A.Kyrala t.s.Perry s.H.batha E.L.Dewald j.E.Ralph D.j.strozzi A.G.MacPhee D.A.Callahan D.Hinkel O.A.Hurricane R.j.Leeper A.B.Zylstra R.R.Peterson B.M.Haines L.Yin P.A.Bradley R.C.shah t.Braun j.Biener B.j.Kozioziemski j.D.sater M.M.Biener A.v.Hamza A.Nikroo L.F.Berzak Hopkins D.Ho s.LePape N.B.Meezan D.s.Montgomery W.s.Daughton E.C.Merritt t.Cardenas E.s.Dodd Los Alamos National Laboratory Lawrence Livermore National Laboratory

Experiments on the National Ignition Facility show that multi-dimensional effects currently dominate the implosion performance. Low mode implosion symmetry and hydrodynamic instabilities seeded by capsule mounting features appear to be two key limiting factors for implosion performance. One reason these factors have a large impact on the performance of inertial confinement fusion implosions is the high convergence required to achieve high fusion *** tackle these problems, a predictable implosion platform is needed meaning experiments must trade-off high gain for performance. LANL has adopted three main approaches to develop a one-dimensional(1D) implosion platform where 1D means measured yield over the 1D clean calculation. A high adiabat, low convergence platform is being developed using beryllium capsules enabling larger case-to-capsule ratios to improve symmetry. the second approach is liquid fuel layers using wetted foam targets. With liquid fuel layers, the implosion convergence can be controlled via the initial vapor pressure set by the target fielding temperature. the last method is double shell targets. For double shells, the smaller inner shell houses the Dt fuel and the convergence of this cavity is relatively small compared to hot spot ignition. However,double shell targets have a different set of trade-off versus advantages. Details for each of these approaches are described.

关键词： beryllium capsules double shells inertial confinement fusion liquid layers

Comparative investigations of structure and properties of micro-arc wollastonite-calcium phosphate coatings on titanium and zirconiumniobium alloy

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Bioactive Materials 2017年第3期2卷 177-184页

作者： M.B.sedelnikova E.G.Komarova Yu.P.sharkeev t.v.tolkacheva I.A.Khlusov L.s.Litvinova K.A.Yurova v.v.shupletsova Institute of strength Physics and Materials science of sB RAs Academicheskii pr.2/4634055TomskRussia National Research tomsk Polytechnic University Lenina pr.30634050TomskRussia siberian state Medical University 2 Moskovsky tr.634050TomskRussia Immanuel Kant baltic Federal University 14 A.Nevskogo st.236041KaliningradRussia

Investigation results of micro-arc wollastoniteecalcium phosphate(W-CaP)biocoatings on the pure titanium(ti)and Zr-1wt.%Nb(Zr-1Nb)alloy were *** voltages of 150-300 v generate the micro-arc oxidation(MAO)process with the initial amplitude current of 150-550 A and 100-350 A for ti and Zr-1Nb substrates,*** identical dependencies of changes of the coating thickness,surface roughness and adhesion strength on the process voltage were revealed for the both *** W-CaP coatings with the thickness of 10-11μm were formed on ti and Zr-1Nb under the low process voltage of 130-150 *** wollastonite particles with the size in the range of 40-100μm were observed in such *** structure of the coatings on ti was presented by the X-ray amorphous and crystalline *** X-ray reflexes relating to the crystalline phases of ti and wollastonite were observed only in XRD patterns of the coatings deposited under 130-200 v on ***,the crystalline structure with phases of CaZr4(PO4)6,β-ZrP2O7,ZrO2,and Zr was detected in the coatings on ***-IRs,XRD,sEM,and tEM data confirmed that the increase of the process voltage to 300 v leads to the dissociation of the *** toxic effect of specimens on a viability,morphology and motility of human adipose-derived multipotent mesenchymal stem cells was revealed in vitro.

关键词： Micro-arc oxidation Biocoatings Calcium phosphate Wollastonite

Energy conditions of the f(t,B) gravity dark energy model with the validity of thermodynamics

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Communications in theoretical Physics 2020年第8期72卷 109-118页

作者： s H shekh v R Chirde P K sahoo Department of Mathematics S.P.M.Science and Gilani Arts and Commerce CollegeGhatanjiYavatmalMaharashtra-445301India Department of Mathematics G.S.G.MahavidyalayaUmarkhed-445206India Department of Mathematics Birla Institute of Technology and Science-PilaniHyderabad CampusHyderabad-500078India

In this article, the analysis of tsallis holographic dark energy(which turns into holographic dark energy for a particular choice of positive non-additivity parameter δ) in modified f(t, B) gravity with the validity of thermodynamics and energy conditions for a homogeneous and isotropic FLRW Universe has been studied. the enlightenment of the field equation towards f(t,B)=αt^m+βB^n, made possible by the fact that the model is purely accelerating,corresponds to q=-0.54(Mamon and Das 2017 Eur. Phys.j.C 77 49). the generalized second law of thermodynamics is valid not only for the same temperature inside the horizon, but also for the apparent horizon for a change in temperature. the essential inspiration driving this article is to exhibit the applicability that the holographic dark energy achieved from standard tsallis holographic dark energy and the components acquired from f(t, B) gravity are identical for the specific bounty of constants. the analysis of energy conditions confirms that the weak energy condition and the null energy condition are fulfilled throughout the expansion, while violation of the strong energy condition validates the accelerated expansion of the *** the expansion, the model becomes a quintessence dominated model. the dominant energy condition is not observed initially when the model is filled with genuine baryonic matter,whereas it appears when the model is in the quintessence dominated era.

关键词： tsallis holographic dark energy f(t B)gravity energy conditions thermodynamics

Characterization of the proto-Philippine sea Plate:Evidence from the emplaced oceanic lithospheric fragments along eastern Philippines

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Geoscience Frontiers 2020年第1期11卷 3-21页

作者： Carla B.Dimalanta Decibel v.Faustino-Eslava jillian Aira s.Gabo-Ratio Edanjarlo j.Marquez jenielyn t.Padrones Betchaida D.Payot Karlo L.Queano Noelynna t.Ramos Graciano P.Yumul jr. Rushurgent Working Group National Institute of Geological SciencesCollege of ScienceUniversity of the PhilippinesDilimanQuezon CityPhilippines school of Environmental science and Management University of the PhilippinesLos BañosLagunaPhilippines Department of Physical sciences and Mathematics University of the Philippines-ManilaPadre FauraManilaPhilippines Institute of Renewable Natural Resources University of the PhilippinesLos BañosLagunaPhilippines Department of Environmental science Ateneo de Manila UniversityQuezon CityPhilippines Itogon-suyoc Resources Inc. OrtigasPasig CityPhilippines Apex Mining Company Inc. OrtigasPasig CityPhilippines

the proto-Philippine sea Plate(pPsP)has been proposed by several authors to account for the origin of the Mesozoic supra-subduction ophiolites along the Philippine *** this paper,a comprehensive review of the ophiolites in the eastern portion of the Philippines is *** data on the geology,ages and geochemical signatures of the oceanic lithospheric fragments in Luzon(Isabela,Lagonoy in Camarines Norte,and Rapu-Rapu island),Central Philippines(samar,tacloban,Malitbog and southeast Bohol),and eastern Mindanao(Dinagat and Pujada)are *** of the Halmahera Ophiolite to the south of the Philippines are also reviewed for *** all of the crust-mantle sequences preserved along the eastern Philippines share Early to Late Cretaceous *** geochemical signatures of mantle and crustal sections reflect both mid-oceanic ridge and suprasubduction *** paleomagnetic information is currently limited to the samar Ophiolite,results indicate a near-equatorial Mesozoic supra-subduction zone *** general,correlation of the crust-mantle sequences along the eastern edge of the Philippines reveal that they likely are fragments of the Mesozoic pPsP.

关键词： Eastern Philippines Ophiolites Proto-Philippine sea Plate

the tectonics and mineral systems of Proterozoic Western Australia:Relationships with supercontinents and global secular change

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Geoscience Frontiers 2018年第2期9卷 295-316页

作者： A.R.A.Aitken s.A.Occhipinti M.D.Lindsay A.joly H.M.Howard s.P.johnson j.A.Hollis C.v.spaggiari I.M.tyler t.C.McCuaig M.C.Dentith Centre for Exploration targeting The University of Western AustraliaPerthWestern AustraliaAustralia the Geological survey of Western Australia Department of Mines and PetroleumPerthWestern AustraliaAustralia BHP Billiton 125 St Georges TerracePerthAustralia ARC Centre of Excellence for Core to Crust Fluid systems Centre for Exploration TargetingSchool of Earth SciencesThe University of Western AustraliaAustralia Resource Potentials PerthAustralia Department of Geology The Ministry of Mineral ResourcesGreenland GovernmentGreenland

the cratonisation of Western Australia during the Proterozoic overlapped with several key events in the evolution of Earth. these include global oxidation events and glaciations, as well as the assembly,accretionary growth, and breakup of the supercontinents Columbia and Rodinia, culminating in the assembly of Gondwana. Globally, Proterozoic mineral systems evolved in response to the coupled evolution of the atmosphere, hydrosphere, biosphere and lithosphere. Consequently, mineral deposits form preferentially in certain times, but they also require a favourable tectonic setting. For Western Australia a distinct plate-margin mineralisation trend is associated with Columbia, whereas an intraplate mineralisation trend is associated with Rodinia and Gondwana, each with associated deposit types. We compare the current Proterozoic record of ore deposits in Western Australia to the estimated likelihood of oredeposit formation. Overall likelihood is estimated with a simple matrix-based approach that considers two components: the "global secular likelihood" and the "tectonic setting likelihood". this comparative study shows that at least for the studied ore-deposit types, deposits within Western Australia developed at times, and in tectonic settings compatible with global databases. Nevertheless, several deposit types are either absent or poorly-represented relative to the overall likelihood models. Insufficient exploration may partly explain this, but a genuine lack of deposits is also suggested for some deposit types. this may relate either to systemic inadequacies that inhibited ore-deposit formation, or to poor preservation. the systematic understanding on the record of Western Australia helps to understand mineralisation processes within Western Australia and its past connections in Columbia, Rodinia and Gondwana and aids to identify regions of high exploration potential.

关键词： Mineral systems tectonics Australia

space Weather Parameters Computed on the basis of the Magnetogram Inversion technique

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空间科学学报 2005年第5期25卷 436-446页

作者： v.M.Mishin M.Föster A.D.bazarzhapov t.I.saifudinova Y.A.Karavaev P.stauning j.Watermann v.Golovkov s.solovyev Institute of solar-terrestrial Physics Siberian BranchRussian Academy of SciencesIrkutsk 664033Russia Max-Plank Institute of Extra-terrestrial Physics GarchingGermany Danish Meteorological Institute CopenhagenDenmark Institute of terrestrial Magnetism Ionosphere and Radio Wave PropagationMoscowRussia Institute of Cosmophysical Research and Aeronomy Siberian BranchRussian Academy of SciencesYakutskRussia

In this paper is given short description of the magnetogram inversion technique,MIt2,and of methods of calculation of some parameters of space *** given also examples of new results,obtained using the MIt2 and solar w... 详细信息

关键词： Magnetosphere substorm superstorm Reconnection Electric current

Diagonal reflection symmetries and universal four-zero texture

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Chinese Physics C 2021年第4期45卷 87-97页

作者： Masaki j.s.Yang Department of Physics Saitama UniversityShimo-okuboSakura-kuSaitama338-8570Japan

In this paper,we consider a set of new symmetries in the sM:diagonal reflection symmetries Rm_(u,v)^(*),R=m_(u,v),m_(d,e)^(*)=mde with R=diag(-1,1,1).these generalized CP symmetries predict the Majorana phases to beα_(2.3)/2-0π/*** of diagonal reflection symmetries implies a broken chiral U(1)po symmetry only for the first *** axion scale is suggested to be(θ_(u,d))~△Gut√m_(u,dm_(c,s))/v-10^(12)[Gev].By combining the symmetries with the four-zero texture,the mass eigenvalues and mixing matrices of quarks and leptons are reproduced *** scheme predicts the normal hierarchy,the Dirac phase ocp≈203°,and|ml|≈2.5 or 6.2[mev].In this scheme,the type-I seesaw mechanism and a given neutrino Yukawa matrix Y_(y)completely determine the structure of the right-handed neutrino mass M_(R).A u-y unification predicts the mass eigenvalues to be(M_(RI),M_(R2),M_(R3))=(O(10^(5)).O(10^(9)),O(10^(14))[Gev].

关键词： μ-t reflection symmetry four-zero texture generalized CP symmetry