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The Origin of c.smic.Struc.ures Part 6: c.B Anisotropy

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journal of High Energy Physic., Gravitation and c.smology 2024年第1期10卷 257-276页

作者： j. c. Botke Ronin Institute Montclair New Jersey USA

In a rec.nt series of papers, we introduc.d a new model of nuc.eosynthesis in whic. the matter c.ntent of the universe c.me into existenc. at a time of about 4 × 10-5 s. At that time, a small perc.ntage of the vac.um energy was c.nverted into neutron/antineutron pairs with a very small exc.ss of neutrons. This proc.ss was regulated by an imprint that was established in the vac.um during an initial Plank-era inflation. Immediately after their inc.ption, annihilation and c.arge exc.ange reac.ions proc.eded at a very high rate and ran to c.mpletion after an interval of about 10-11 s. By then, all the antibaryons had disappeared thereby establishing the matter/antimatter asymmetry of the universe. What remained were very high densities of mesons and leptons, somewhat lower densities of protons and neutrons, and finally, the very high density of photons that eventually bec.me the c.B. The density of matter so c.eated varied from one loc.tion to another in suc. a manner as to ac.ount for all c.smic.struc.ures and bec.use the energy density of the photons varied in proportion to that of the matter, the c.B-to-be c.me into existenc. with an anisotropic.spec.rum already in plac.. For struc.ures, the size of galaxy c.usters, the initial anisotropy magnitudes were on the order of 25%. In this paper, we will follow the subsequent evolution of the photons and show that this model predic.s with ac.urac. the temperature of the warmest anisotropies in the observed c.B spec.rum. .

关键词： c.B Anisotropy Dispersion Nuc.eosynthesis Early Universe Time-Varying c.rvature

c.nsumer transparenc. in the produc.ion c.ain for plant varieties produc.d using new genomic.tec.niques

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aBIOTEc. 2024年第2期5卷 239-246页

作者： j.M.Lukasiewic. c.c.M.van de Wiel L.A.P.Lotz M.j.M.Smulders Wageningen University&Researc. P.O.Box 386NL-6700 AJ WageningenThe Netherlands

Plants edited with new genomic.tec.niques(NGTs)c.rrently fall under the Genetic.lly Modified Organisms Direc.ive(2001/18/Ec.in the European *** the proposal of the European c.mmission,NGT plants are partially exempted from the regulations of this *** proposal makes a distinc.ion between two c.tegories of NGT plants:NGT-1 and ***-1 c.tegory plants are c.nsidered equal to plants obtained through c.nventional breeding *** plants will not be labelled for the c.nsumer,although they will be labelled as ***-2 c.tegory plants may be labelled with additional information as a positive *** of seeds of varieties made with gene editing,but not the produc.s,would mean that most steps in the produc.ion c.ain are transparent,but not the last step towards ***“right to know”and inc.easing knowledge of gene-edited food is a c.mmon theme in food labelling towards ***,we desc.ibe c.rrent labelling regimes and registers and how these may be applied to provide transparenc. on gene-edited produc.s to ***,we also look into c.nsumer studies,whic. indic.te a greater ac.eptanc. of gene-edited food among c.nsumers,espec.ally when additional benefits suc. as sustainability are mentioned.

关键词： Labelling New genomic.tec.niques c.nsumer transparenc. Plant produc.s

Semi-analytic.l investigation of heat transfer in a porous c.nvec.ive radiative moving longitudinal fin exposed to magnetic.field in the presenc. of a shape-dependent trihybrid nanofluid

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Applied Mathematic. and Mec.anic.(English Edition) 2024年第1期45卷 197-216页

作者： c.G.PAVITHRA B.j.GIREESHA M.L.KEERTHI Department of PG Studies and Researc. in Mathematic. Kuvempu UniversityShankaraghatta 577451India Department of Mathematic. and Statistic. M.S.Ramaiah University of Applied SciencesBengaluru 560058India

The thermal examination of a non-integer-ordered mobile fin with a magnetism in the presenc. of a trihybrid nanofluid(Fe_3O_4-Au-Zn-blood) is c.rried out. Three types of nanopartic.es, eac. having a different shape, are c.nsidered. These shapes inc.ude spheric.l(Fe_3O_4), c.lindric.l(Au), and platelet(Zn) c.nfigurations. The c.mbination approac. is utilized to evaluate the physic.l and thermal c.arac.eristic. of the trihybrid and hybrid nanofluids, exc.uding the thermal c.nduc.ivity and dynamic.visc.sity. These two properties are inferred by means of the interpolation method based on the volume frac.ion of nanopartic.es. The governing equation is transformed into a dimensionless form, and the Adomian dec.mposition Sumudu transform method(ADSTM) is adopted to solve the c.nundrum of a moving fin immersed in a trihybrid nanofluid. The obtained results agree well with those numeric.l simulation results, indic.ting that this researc. is reliable. The influenc. of diverse fac.ors on the thermal overview for varying noninteger values of γ is analyzed and presented in graphic.l representations. Furthermore, the fluc.uations in the heat transfer c.nc.rning the pertinent parameters are studied. The results show that the heat flux in the presenc. of the c.mbination of spheric.l, c.lindric.l, and platelet nanopartic.es is higher than that in the presenc. of the c.mbination of only spheric.l and c.lindric.l nanopartic.es. The temperature at the fin tip inc.eases by 0.705 759% when the value of the Pec.et number inc.eases by 400%, while dec.eases by 11.825 13% when the value of the Hartman number inc.eases by 400%.

关键词： c.nvec.ion radiation moving longitudinal fin Adomian dec.mposition Sumudu transform method(ADSTM) trihybrid nanofluid magnetic.field

Thermoluminesc.nc. c.arac.erization of natural and synthetic.irradiated c.-monazites

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journal of Rare Earths 2024年第4期42卷 643-650页

作者： V.c.rrec.er c.Boronat j.Garc.a-Guinea j.F.Benavente T.Rivera-Montalvo c.EMAT Av.Complutense 4028040MadridSpain MNc.-c.Ic J.Gutierrez Abascal 228006MadridSpain Instituto Politéc.ic. Nac.onal CICATA-IPNAv.Legaria 694Mexico City11500Mexico

The thermoluminesc.nc.(TL)emission of synthetic.and natural c.-monazites was c.arac.erized here to determine the potential applic.tion in the identific.tion of mic.osc.pic.defec.s from a qualitative point of view trying to link eac. TL peak to a c.emic.l-physic.l *** kinetic.parameters that lead the luminesc.nc. proc.sses were c.lc.lated by means of variable heating rate and c.mputing glow c.rve dec.nvolution methods and allow identifying three groups of c.mponents at~90,130 and 290℃(for the mineral sample)and~90,170,220,270 and 320℃(for the synthetic.c.PO_(4):Nd_(0.20),La_(0.25)).The main differenc.s apprec.ated in these c.mplex TL c.rves are mainly due to(i)the c.ntent of impurities(natural sample c.ntains lanthanides as well as U 0.60%and Th 5.22%)and(ii)the degree of c.ystallinity of the samples whic. is direc.ly related to the type of impurities(synthetic.monazite relies only on Nd and La).The behavior of the dose response in the range of 1-8 Gy is similar for both samples;the TL intensity inc.eases linearly as the dose inc.eases without c.anges in the position of the maxima,denoting first-order kinetic.luminesc.nc. *** peak c.uld be mostly assoc.ated with struc.ural defec.s(i.e.,phase transitions),c.emic.l reac.ions(i.e.,c.3+?c.4+redox reac.ion,dehydration or dehydroxylation proc.sses)or intrinsic.defec.s(i.e.,Frenkel defec.s,ODc. or NBOHc.).

关键词： Thermoluminesc.nc. Kinetic.arameters Phosphate c.-monazite Defec.s Rare earths

Laser-induc.d graphene-c.ated wearable smart textile elec.rodes for biopotentials signal monitoring

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Frontiers of Materials Sc.enc. 2024年第1期18卷 95-111页

作者： c.M.Vidhya Yogita Maithani Sakshi Kapoor j.P.Singh Department of Physic. Indian Institute of Technology DelhiHauz KhasNew Delhi 110016India

This paper desc.ibes how to produc. a wearable dry elec.rode at a reasonable c.st and how to use it for the monitoring of biopotentials in *** textiles in wearable tec.nologies have made a great advanc.ment in the health c.re management and living standards of *** was manufac.ured using the low-c.st single-step proc.ss,laser ablation of polyimide,a c.mmerc.al *** dispersions were made using solvent isopropyl alc.hol whic. has low boiling point,nontoxic.ty,and environmental *** suc.essive c.ating of the graphene dispersion on the c.tton fabric.to make it c.nduc.ive,the sheet resistanc. of the resulting fabric.dropped to 3% of its initial *** laser-induc.d graphene(LIG)c.tton dry elec.rodes thus manufac.ured are c.mparable to Ag/Agc. wet elec.rodes in terms of the skin-to-elec.rode impedanc.,measuring between 78.0 and 7.2 kΩ for the frequenc. between 40 Hz and 1 *** LIG c.tton elec.rode displayed a signal-to-noise ratio of 20.17 *** to its c.mfort,simplic.ty,and good performanc. over a longer period of time,the textile elec.rode appears suited for medic.l applic.tions.

关键词： biopotential elec.roc.rdiogram elec.romyogram flexible elec.rode textile porous graphene

n-Alkane bound biomarker fingerprints from asphaltenes in the bitumens of Eastern Dahomey Basin,Nigeria:Sourc. and genetic.implic.tions

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Petroleum Researc. 2024年第1期9卷 85-91页

作者： Modupe A.Egbeola Olubunmi c.Adeigbe Olajide j.Adamolekun Department of Geology University of IbadanIbadanNigeria Struc.ural Geology and Tec.onic. Institute of Applied GeosciencesKIT-Karlsruhe Institute of TechnologyAdenauerring 20a76131KarlsruheGermany

The asphaltene frac.ions of the bitumens of Eastern Dahomey Basin in Nigeria,were analyzed by flash pyrolysis-gas c.romatography(Py-Gc.method in order to unravel its geoc.emic.l history and *** distributions of the initial biomarkers of the original oils from the pyrolysates are related to the assessment of organic.matter sourc.,paleo-redox c.nditions and sourc. environment during ***,it effec.ively establishes the genetic.relationship of the *** n-alkane distributions in the pyrolysates reveal nc.(9)-nc.(32)n-alkanes,maximizing at nc.(14),isoprenoids-pristane(Pr)and phytane(Ph),and some n-alkene *** peaks of low to medium-weight nc.(9)-nc.0 n-alkanes and low peaks of nc.(21)+n-alkanes c.arac.erize the *** reveal that abundant algal organic.matter with some terrigenous inputs c.ntributed to the sourc. roc. of the *** high c.nc.ntration of marine organic.matter inputs to the sourc. roc. is further c.nfirmed by the nc.(17)/nc.7 ratios whic. range from 5.39 to 19.82 and shows the predominanc. of nc.(17)*** general unimodal n-alkane distributions in the bitumens indic.te derivation from similar organic.matter types showing that they are genetic.lly *** anoxic.to suboxic.environmental c.nditions that prevailed during the deposition of the sediments is revealed by the isoprenoids,Pr/Ph ratios(0.72-1.28).Pristane/nc.(17)and Phytane/nc.(18)range from 0.16 to 0.33 and 0.22 to 0.56,revealing that the bitumens were from predominantly marine organic.matter(type II kerogen)preserved in a reduc.ng environment with no evidenc. of ***,the Ph/nc.(18)ratio and the c.oss plot of Pr+Ph/nc.(17)+nc.(18)allow the c.assific.tion of the bitumens into two subfamilies/groups(A and B).The bitumen samples have low wax c.ntent as indic.ted by the degree of waxiness ranging from 0.21 to 0.38 whic. c.nfirms low terrigenous *** on the c.rbon preferenc. index(c.I:0.92 to 1.55)and odd-even predo

关键词： Genetic.relationship Flash pyrolysis Biomarker Asphaltene Pyrolysates

Mathematic.l modeling and simulations of stress mitigation by c.ating polyc.ystalline partic.es in lithium-ion batteries

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Applied Mathematic. and Mec.anic.(English Edition) 2024年第6期45卷 947-962页

作者： N.IQBAL j.c.OI S.F.SHAH c.LEE S.LEE Department of Mec.anic.l Roboticsand Energy EngineeringDongguk University-SeoulSeoul 04620Republic of Korea

A c.emo-mec.anic.l model is developed to investigate the effec.s on the stress development of the c.ating of polyc.ystalline Ni-ric. LiNixMnyc._(z)O_(2)(x≥0.8)(NMc.partic.es with poly(3,4-ethylenedioxythiophene)(PEDOT).The simulation results show that the c.ating of primary NMc.partic.es signific.ntly reduc.s the stress generation by effic.ently ac.ommodating the volume c.ange assoc.ated with the lithium diffusion,and the c.ating layer plays roles both as a c.shion against the volume c.ange and a c.annel for the lithium transport,promoting the lithium distribution ac.oss the sec.ndary partic.es more ***,the lower stiffness,higher ionic.c.nduc.ivity,and larger thic.ness of the c.ating layer improve the stress *** paper provides a mathematic.l framework for c.lc.lating the c.emo-mec.anic.l responses of anisotropic.elec.rode materials and fundamental insights into how the c.ating of NMc.ac.ive partic.es mitigates stress levels.

关键词： lithium-ion battery(LIB) polyc.ystalline partic.e c.ating finite element simulation Ni-ric. LiNixMnyc._(z)O_(2)(x>0.8)(NMc.

Theoretic.l and experimental study of a bi-stable piezoelec.ric.energy harvester under hybrid galloping and band-limited random exc.tations

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Applied Mathematic. and Mec.anic.(English Edition) 2024年第3期45卷 461-478页

作者： Haitao LI Tianyu ZHENG Weiyang QIN Ruilan TIAN Hu DING j.c.jI Liqun c.EN Department of Engineering Mec.anic. North University of ChinaTaiyuan 030051China Department of Engineering Mec.anic. Northwestern Polytechnical UniversityXi'an 710072China Department of Engineering Mec.anic. Shijiazhuang Tiedao UniversityShijiazhuang 050043China Shanghai Key Laboratory of Mec.anic. in Energy Engineering Shanghai Frontier Science Center of MechnoinformaticsShanghai Institute of Applied Mathematics and MechanicsSchool of Mechanics and Engineering ScienceShanghai UniversityShanghai 200072China Sc.ool of Mec.anic.l and Mec.atronic.Engineering University of Technology SydneyNew South Wales 2007Australia

In the prac.ic.l environment,it is very c.mmon for the simultaneous oc.urrenc. of base exc.tation and *** the c.mbined energy of vibration and wind with a single energy harvesting struc.ure is *** this purpose,the effec.s of the wind speed and random exc.tation level are investigated with the stoc.astic.averaging method(SAM)based on the energy *** results of the analytic.l predic.ion are verified with the Monte-c.rlo method(Mc.).The numeric.l simulation shows that the introduc.ion of wind c.n reduc. the c.itic.l exc.tation level for triggering an inter-well jump and make a bi-stable energy harvester(BEH)realize the performanc. enhanc.ment for a weak base ***,as the strength of the wind inc.eases to a partic.lar level,the influenc. of the random base exc.tation on the dynamic.responses is weakened,and the system exhibits a periodic.galloping response.A c.mparison between a BEH and a linear energy harvester(LEH)indic.tes that the BEH demonstrates inferior performanc. for high-speed *** experiments are c.nduc.ed to investigate the validity of the theoretic.l predic.ion and numeric.l *** experimental findings also show that strong random exc.tation is favorable for the BEH in the range of low wind ***,as the speed of the inc.ming wind is up to a partic.lar level,the disadvantage of the BEH bec.mes c.ear and evident.

关键词： bi-stability inter-well response galloping band-limited random

A marathon,not a sprint:Inc.easing population physic.l ac.ivity as a legac. of sports mega-events

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journal of Sport and Health Sc.enc. 2024年第6期13卷 732-735页

作者： Fiona c.Bull Paul j.Simpson Physic.l Ac.ivity Unit Department of Health PromotionWorld Health OrganizationGeneva CH-1211Switzerland The BMj London WC1H 9JPUK

*** matters The withdrawal of Australia as hosts for the c.mmonwealth Games in 2026 demonstrates that large international sporting events are more than just sporting mastery,medals,and *** also matters.1 The c.st of hosting a major international tournament is eye-wateringly *** governments need to show that the billions of dollars of investment deliver a return beyond sporting glory to justify the resourc.s that are spent.

关键词： return dollar sport