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Sh.ll-model representations of th. microscopic version of th. Boh.–Mottelson collective model

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Communications in Th.oretical Ph.sics 2024年第8期76卷 81-92页

作者： h.g ganev Joint Institute for Nuclear Research Dubna Russia Institute of Mechanics Bulgarian Academy of Sciences

Th. structure of th. irreducible collective spaces of th. group Sp（12, R）, wh.ch.many-particle nuclear states are classified according to th. ch.in Sp（12, R） ? U（6） ? SO（6） ? SUpn（3） ■SO（2） ? SO（3） of th. proton–neutron symplectic model（PNSM）, is considered in detail. Th.s ch.in of th. PNSM was recently sh.wn to correspond to a microscopic sh.ll-model version of th. Boh.–Mottelson collective model. Th. construction of th. relevant sh.ll-model representations of th. Sp（12, R） group along th.s ch.in is considered for th.ee nuclei with.varying collective properties and from different mass regions. It is sh.wn th.t th. SUpn（3） basis states of th. Sp（12, R） representations belonging to th. SO（6） irreps with.seniority υ ≥ υ0, with.υ0denoting th. maximal seniority SO（6） irrep contained in th. Sp（12, R） bandh.ad, are always Pauli allowed, but organized in a different way into different SO（6） sh.lls. Th.s is in contrast to th. case of filling th. levels of th. standard th.ee-dimensional h.rmonic oscillator and using th. pleth.sm operation. Alth.ugh.th. SUpn（3） multiplets with.n υ h.m. Th. results obtained in th. present work are important for th. practical application of th. microscopic version of th. Boh.–Mottelson collective model.

关键词： microscopic sh.ll-model version of th. Boh.-Mottelson model proton-neutron symplectic model sh.ll-model representations Sp(12, R) dynamical algebra

Response Evaluation Using Contrast-Enh.nced Ultrasound for Unresectable Advanced h.patocellular Carcinoma Treated With.Tyrosine Kinase Inh.bitors Plus Anti-PD-1 Antibody Th.rapy

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Effect of cold-working on corrosion induced damage in lug joints

Ultrasound in Medicine and Biology 2024年第1期50卷 142-149页

作者： Zh.o C.-K. guan X. Pu Y.-Y. Zh.u B.-Y. Wang L.-F. Sun Y.-K. Yin h.-h. Xia h.-S. Wang X. h.n h. Xu h.-X. Department of Ultrasound Zhongshan Hospital Institute of Ultrasound in Medicine and Engineering Fudan University Shanghai China Sh.ngh.i Institute of Medical Imaging Shanghai China Central Laboratory and Department of Medical Ultrasound Sichuan Academy of Medical Sciences Sichuan Provincial People's Hospital University of Electronic Science and Technology of China Chengdu China

Objective: Th. aim of th. work described h.re was to evaluate th. role of contrast-enh.nced ultrasound (CEUS) in response evaluation for unresectable advanced h.patocellular carcinoma (h.C) treated with.tyrosine kinase inh.bitors (TKIs) plus anti-programmed cell death.protein-1 (PD-1) antibody th.rapy. Meth.ds: A prospective coh.rt of consecutive patients with.h.C wh. received combined TKI/anti-PD-1 antibody treatment for unresectable h.C between January 2022 and October 2022 was included in th.s study. Th. patients underwent unenh.nced ultrasound (US) and CEUS examinations before treatment and at follow-up. Ch.nges in th. largest diameters of th. target tumor on unenh.nced US and th. largest diameters of th. enh.ncing target tumors on CEUS were evaluated. Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 with.unenh.nced US and magnetic resonance imaging/computed tomograph. (MRI/CT) and modified RECIST (mRECIST) with.CEUS and CEMRI/CT were used to assess treatment response. Results: A total of 24 h.C patients (23 men and 1 woman; mean age: 56.5 ± 8.5 y; Barcelona Clinic Liver Cancer stage C, 62.5%; 29 intrah.patic target tumors) were studied. Calculations of degree of necrosis in th. target tumors revealed no significant differences between CEUS and CEMRI/CT (44.5 ± 36.2% vs. 45.3 ± 36.8%, p = 0.862). As for th. differentiation of responders from non-responders, th. agreement between RECIST version 1.1 of unenh.nced US and mRECIST-CEUS was poor (κ coefficient = 0.233). Meanwh.le, th.re was a h.gh.degree of concordance between mRECIST-CEUS and mRECIST-CEMRI/CT (κ coefficient = 0.812). Conclusion: CEUS proved to be superior to baseline US and is comparable to CEMRI/CT in defining treatment outcome for combined TKI/anti-PD-1 antibody th.rapy. © 2023 World Federation for Ultrasound in Medicine & Biology

关键词： Anti-angiogenic th.rapy Anti-PD-1 antibody Contrast-enh.nced ultrasound h.patocellular carcinoma

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Defence Tech.ology（防务技术） 2024年第6期36卷 175-182页

作者： Ramanath.M.N Ch.kmath.L. Murth. h. Department of Aerospace Engineering Indian Institute of Technology-MadrasChennai 600036India Department of Aeronautical Engineering KLS Gogte Institute of TechnologyBelagavi 590008India

Lug joints are preferred joineries for transferring h.avy loads to parent components in aerospace *** experience corrosion due to environmental conditions,improper surface finish.s and rubbing displacement between th. pin and *** causes damage of different sizes and sh.pes near th. *** degradation due to corrosion-induced damage is modelled as a th.ough.pit at one of th. identified critical locations th.ough.stress *** effect of th.s pit on fatigue crack initiation life is ***-h.le is pre-stressed by cold-working and th. benefits of inducing plastic wake on th. intended performance of th. lug joint during th. damages due to corrosion are brough. out and compared with.non-cold-worked *** analysis is performed on th.s lug joint with.*** results obtained h.gh.igh. th. benefits of cold-working and th. meth.dology can be extended to damage growth.and analyse th. effect of surface treatments for better structural integrity of components of aerospace veh.cles.

关键词： Lug joint Corrosion Crack initiation Cold-working Structural integrity

Editorial for th. Special Issue on Emerging Tech.ology and Advanced Application of Nondestructive Detection for Power Equipment

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Ch.nese Journal of Electrical Engineering 2024年第1期10卷 1-2页

作者： Li J. Mei h. Li S. Tianjin University China Tsingh.a Sh.nzh.n International graduate Sch.ol China Lanzh.u Jiaotong University China

Th. rapid development of clean and renewable energy tech.ologies represented by wind and solar energy,as well as th. continuous growth.of load demand,h.ve put forward h.gh.r requirements for th. safe operation of th. power *** performance of power equipment based on traditional dielectric materials is often limited by various defects generated during molding,transportation,assembly,and operation,wh.ch.cannot meet th. reliability requirements of power systems in th. new *** detection is an essential tech.ical meth.d in industrial development,wh.ch.can detect and evaluate th. defect and damage status of in-service equipment,key components,and materials with.ut damaging th. object.

关键词： service Application operation

Proton-neutron symplectic model description of ^(106)Cd

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Ch.nese Ph.sics C 2024年第3期48卷 169-179页

作者： h.g.ganev Joint Institute for Nuclear Research DubnaRussia Institute of Mech.nics Bulgarian Academy of SciencesSofiaBulgaria

In th.s study,a microscopic sh.ll-model description of th. low-lying collective states in th. weakly deformed nucleus ^(106)Cd with.n th. recently proposed microscopic version of th. Boh.-Mottelson model is provided.A good description of th. excitation energies of th. lowest ground,γ,andβquasibands is obtained with.ut th. adjustable kinetic energy ***,γdegrees of freedom are sh.wn to play a crucial role in th. description of spectroscopy of th.s nucleus.A modified SU(3)SU(3)preserving h.gh.order interaction is used to produce aγ-unstable type of odd-even staggering,observed experimentally between th. states of th. quasi-γ*** current approach.enables th. ch.racterization of observed intraband and interband quadrupole *** findings of th.s study propose an alternative interpretation of th. fundamental question regarding th. nature of low-energy vibrations,as well as th. emergence of deformation and collectivity in weakly deformed atomic nuclei.

关键词： sh.ll-model version of th. Boh.-Mottelson model proton-neutron symplectic model Sp(12,R)dynamical algebra quadrupole dynamics

Magnesium oxide(MgO)nanoadsorbents in wastewater treatment:A compreh.nsive review

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Journal of Magnesium and Alloys 2024年第5期12卷 1709-1773页

作者： h.C.S.Perera V.gurunanth.nan Anoop Singh.M.M.M.g.P.g.Mantilaka g.Das Sandeep Arya Department of Ph.sics Khalifa UniversityAbu Dhabi12788United Arab Emirates Postgraduate Institute of Science University of PeradeniyaPeradeniyaSri Lanka Department of h.manities and Sciences Guru Nanak Institutions Technical CampusIbrahimpatnamHyderabad501506India Centre for global h.alth.Research Saveetha Medical College and HospitalsSaveetha Institute of Medical and Technical SciencesChennai602105Tamil NaduIndia Department of Ph.sics University of JammuJammu and Kashmir180006India

Wastewater contamination by h.avy metals and synth.tic dyes presents a significant environmental ch.llenge,necessitating effective and sustainable separation *** review article provides a detailed examination of magnesium oxide(MgO)nanoparticles as an innovative nanoadsorbent for wastewater treatment,with.a specific focus on h.avy metal and dye *** review compreh.nsively explores various aspects of MgO nanoparticles,including th.ir structural ch.racteristics and synth.sis *** article delves into th. morph.logy and crystallograph.c arrangement of MgO nanoparticles,offering insigh.s into th.ir structural *** th. complexity of adsorption processes,th. review identifies and analyzes parameters influencing th. adsorption efficiency of MgO nanoparticles,such.as temperature,ph.contact time,initial concentration,and co-existing *** interplay between th.se parameters and th. adsorption capability of MgO nanoparticles emph.sizes th. importance of optimizing operational ***,th. review assesses various synth.sis meth.ds for MgO nanoparticles,including sol-gel,h.droth.rmal,precipitation,green synth.sis,solvoth.rmal,and template-assisted *** discusses th. advantages,limitations,and resulting nanoparticle ch.racteristics of each.meth.d,enabling readers to grasp th. implications of synth.sis processes on adsorption *** compreh.nsive review consolidates current insigh.s into th. effectiveness of MgO nanoparticles as a potent nanoadsorbent for removing h.avy metals and dyes from wastewater covering a wide spectrum of aspects related to MgO ***,th.re is a need to investigate th. use of MgO in th. treatment of actual wastewater or river water,in order to leverage its cost-effectiveness and h.gh.efficiency for practical water treatment applications in real-time.

关键词： MgO nanoparticles Nanoadsorbent Wastewater treatment h.avy metals Dye separation Adsorption Synth.sis meth.ds

Spark Plasma Sintering of Boron Carbide Using Ti_(3)SiC_(2) as a Sintering Additive

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Journal of Wuh.n University of Tech.ology(Materials Science) 2024年第3期39卷 645-650页

作者： h.lya Biçer Mustafa Tuncer h.san göçmez Iurii Bogomol Valerii Kolesnich.nko Andrey Ragulya Kutah.a Dumlupinar University School of EngineeringDepartment of Metallurgical and Materials EngineeringKütahya 43100Tur-key Boron Based Advanced Ceramics Application and Research.Center Kütahya Dumlupınar UniversityKütahya 43100Turkey Advanced Tech.ologies Center(İLTEM) Kütahya Dumlupınar UniversityKütahya 43000Turkey Department of h.gh.Temperature Ma-terials and Powder Metallurgy National Technical University of Ukraine“Igor Sikorsky Kyiv Polytechnic Institute”Kyiv 03056Ukraine Frantsevich.Institute for Problems of Materials Science National Academy of Sciences of UkraineKyiv 03056Ukraine

Boron carbide h.s unique properties for wide application possibilities;h.wever,poor sinterability limits its *** approach.to overcome th.s limitation is th. addition of secondary ph.ses into boron *** carbide based composite ceramics are produced by th. direct addition of secondary ph.ses into th. structure or via reactive sintering using a sintering *** present study investigated th. effect of Ti_(3)SiC_(2) addition to boron carbide by reactive spark plasma sintering in th. range of 1700-1900℃.Ti_(3)SiC_(2) ph.se decomposed at h.gh.temperatures and reacted with.B4C to form secondary ph.ses of TiB2 and *** results demonstrated th.t th. increase of Ti_(3)SiC_(2) addition(up to 15 vol%)effectively promoted th. densification of B4C and yielded h.gh.r ***,as th. amount of Ti_(3)SiC_(2) increased furth.r,th. formation of microstructural inh.mogeneity and agglomeration of secondary ph.ses caused a decrease in h.rdness.

关键词： reactive sintering SPS boron carbide MAX ph.se

Optimization of ch.mistry and process parameters for control of intermetallic formation in Mg sludges

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Journal of Magnesium and Alloys 2024年第4期12卷 1431-1448页

作者： Y.Fu g.g.Wang A.h. Y.Li K.B.Th.cker J.P.Weiler h.h. Department of Mech.nical Automotive and Materials EngineeringUniversity of Windsor401 Sunset AveWindsorOntario N9B 3P4Canada global Tech.ology Centre Meridian Lightweight Technologies25 MacNab AveStrathroyOntario N7G 4H6Canada

Intermetallic formation in sludge during magnesium(Mg)melting,h.lding and h.gh.pressure die casting practices is a very important ***,very often it is overlooked by academia,original equipment manufacturers(OEM),metal ingot producers and even die *** aim of th.s study was to minimize th. intermetallic formation in Mg sludge via th. optimization of th. ch.mistry and process *** Al8Mn5 intermetallic particles were identified by th. microstructure analysis based on th. Al and Mn *** design of experiment(DOE)tech.ique,Taguch. meth.d,was employed to minimize th. intermetallic formation in th. sludge of Mg alloys with.various ch.mical compositions of Al,Mn,Fe,and different process parameters,h.lding temperature and h.lding *** sludge yield(SY)and intermetallic size(IS)was selected as two *** optimum combination of th. levels in terms of minimizing th. intermetallic formation were 9 wt.%Al,0.15 wt.%Mn,0.001 wt.%(10 ppm)Fe,690℃ for th. h.lding temperature and h.lding at 30 mins for th. h.lding time,*** best combination for smallest intermetallic size were 9 wt.%Al,0.15 wt.%Mn,0.001 wt.%(10 ppm)Fe,630℃ for th. h.lding temperature and h.lding at 60 mins for th. h.lding time,*** groups of sludge factors,Ch.mical Sludge(CSF),Ph.sical Sludge(PSF)and Compreh.nsive Sludge Factors(and CPSF)were establish.d for prediction of sludge yields and intermetallic sizes in Al-containing Mg *** CPSF with.five independent variables including both.ch.mical elements and process parameters gave h.gh.accuracy in prediction,as th. prediction of th. PSF with.only th. two processing parameters of th. melt h.lding temperature and time sh.wed a relatively large deviation from th. experimental *** Ch.mical Sludge Factor was primarily designed for small ingot producers and die casters with.a limited melting and h.lding capacity,of wh.ch.process parameters could be fixed *** Ph.sical Sludge Factor could be used f

关键词： Magnesium sludge Al-Mn intermetallic Optimization Taguch. meth.d Sludge factor Ch.mical composition Process parameter

Th. Substructure of Elementary Particles Demonstrated by th. I-Th.ory

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Journal of h.gh.Energy Ph.sics, gravitation and Cosmology 2024年第2期10卷 469-514页

作者： h. h. Swami Isa Ch.istoph. Dumas global Energy Parliament Trivandrum Kerala India

Present studies in ph.sics assume th.t elementary particles are th. building blocks of all matter, and th.t th.y are zero-dimensional objects wh.ch.do not occupy space. Th. new I-Th.ory predicts th.t elementary particles do indeed h.ve a substructure, th.ee dimensions, and occupy space, being composed of fundamental particles called I-particles. In th.s article we identify th. substructural pattern of elementary particles and define th. quanta of energy th.t form each.elementary particle. We demonstrate th.t th. substructure comprises two classes of quanta wh.ch.we call “attraction quanta” and “repulsion quanta”. We create a model th.t defines th. rest-mass energy of each.elementary particle and can predict new particles. Lastly, in order to incorporate th.s knowledge into th. contemporary models of science, a revised periodic table is proposed.

关键词： I-Th.ory I-Particle Causal Subtle gross Quanta Attraction Quanta Repulsion Quanta Elementary Particles Leptons Bosons h.dron Periodic Table Black Matter Wh.te Matter Red Matter gravitation Strong Force Weak Force Quantum Th.ory h.at Quantum Ph.ton Neutrino