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In-situ study of the micr.str.ctur. evolution dur.ng tension of a Mg-Y-Zn-Al alloy pr.cessed by r.pidly solidified r.bbon consolidation technique

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Jour.al of Magnesium and Alloys 2024年第5期12卷 2024-2040页

作者： Jeno Gubicza Kr.stián Máthis Péter.nagy Péter Jenei Zoltán Hegedus Andr.a Far.as Jozef Vesely Shin-ichi Inoue Dar.a Dr.zdenko Yoshihito Kawamur. Depar.ment of Materials Physics Faculty of ScienceEotvos Loránd UniversityPázmány P.sétány 1/ABudapest H-1117Hungary Depar.ment of Physics of Materials Faculty of Mathematics and PhysicsCharles UniversityKe Karlovu 512116 Praha 2Czech Republic Deutsches Elektr.nen-Synchr.tr.n DESY Notkestr.85Hamburg 22603Germany Magnesium r.sear.h Center Kumamoto University2-39-1 KurokamiChuo-kuKumamoto 860-8555Japan

Mg-Y-Zn-Al alloys pr.cessed by r.pidly solidified r.bbon consolidation(r.r.)technique exhibit an exceptional mechanical per.or.ance indicating pr.mising application *** material has a bimodal micr.str.ctur. consisting of fine r.cr.stallized and coar.e non-r.cr.stallized gr.ins with solute-r.ch stacking faults for.ing cluster ar.anged layer.(CALs)and nanoplates(CAnaPs),or.complete long per.od stacking or.er.d(LPSO)*** or.er.to r.veal the defor.ation mechanisms,in-situ synchr.tr.n X-r.y diffr.ction line pr.file analysis was employed for.a detailed study of the dislocation ar.angement cr.ated dur.ng tension in Mg-0.9%Zn-2.05%Y-0.15%Al(at%)*** uncover.ng the effect of the initial micr.str.ctur. on the mechanical per.or.ance,additional samples wer. obtained by annealing of the as-consolidated specimen at 300 and 400℃ for.2 *** heat tr.atment at 300℃ had no significant effect on the initial micr.str.ctur.,its evolution dur.ng tension and,thus,the over.ll defor.ation behavior.under.tensile *** the other.hand,annealing at 400℃ r.sulted in a significant incr.ase of the r.cr.stallized gr.ins fr.ction and a decr.ase of the dislocation density,leading to only minor.degr.dation of the mechanical *** maximum dislocation density at the failur. of the samples cor.esponding to the plastic str.in of 10-25% was estimated to be about 16-20×10^(14)m^(-2).The diffr.ction pr.file analysis indicated that most dislocations for.ed dur.ng tension wer. of non-basal and pyr.midal types,what was also in agr.ement with the Schmid factor.values r.vealed independently fr.m or.entation *** was also shown that the dislocation-induced Taylor.har.ening was much lower.below the plastic str.in of 3% than above this value,which was explained by a model of the interaction between pr.smatic dislocations and CAnaPs/LPSO plates.

关键词： Mg-Zn-Y-Al alloy Long per.od stacking or.er.d(LPSO)phase Cluster ar.anged nanoplates(CAnaPs) Annealing Tension Dislocation density Har.ening

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Astr.physical S-factor.and r.action r.te for.15n(p,γ)16O within the modified potential cluster model

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Chinese Physics C 2024年第4期48卷 130-145页

作者： S.B.Dubovichenko A.S.Tkachenko r.Ya.Kezer.shvili n.A.Bur.ova B.M.Yeleusheva Fesenkov Astr.physical Institute 050020 AlmatyKazakhstan new Yor. City College of Technology City University of New YorkBrooklyn11201 New YorkUSA Gr.duate School and Univer.ity Center City University of New York10016 New YorkUSA al-Far.bi Kazakh national Univer.ity 050040 AlmatyKazakhstan

We study r.diative p^(15)n captur. on the gr.und state of ^(16)O at stellar.ener.ies within the fr.mewor. of a modified potential cluster model(MPCM)with for.idden states,including low-lying *** investigation of the ^(15)n(p,γ0)^(16)O r.action includes the consider.tion of ^(3)S_(1) r.sonances due to E1 tr.nsitions and the contr.bution of the ^(3)P_(1) scatter.ng wave in the p+^(15)n channel due to the ^(3)P_(1)→^(3)P_(0)M1 *** calculated the astr.physical low-ener.y S-factor.and the extr.polated S(0)tur.ed out to be within 34.7−40.4 keV·*** impor.ant r.le of the asymptotic constant(AC)for.the ^(15)n(p,γ0)16O pr.cess with interfer.ng ^(3)S_(1)(312)and ^(3)S_(1)(962)r.sonances is elucidated.A compar.son of our.calculation for.the S-factor.with existing exper.mental and theor.tical data is addr.ssed,and a r.asonable agr.ement is *** r.action r.te is calculated and compar.d with the existing *** has negligible dependence on the var.ation of AC but shows a str.ng impact of the interfer.nce of ^(3)S_(1)(312)and ^(3)S_(1)(962)r.sonances in r.fer.nce to the CnO Gamow windows,especially at low *** estimate the contr.bution of cascade tr.nsitions to the r.action r.te based on the exclusive exper.mental data fr.m ***.C.85,065810(2012).The r.action r.te enhancement due to the cascade tr.nsitions is obser.ed fr.m T_(9)>0.3 and r.aches the maximum factor.1.3 at T_(9)=*** pr.sent the Gamow ener.y window and a compar.son of r.tes for.r.diative pr.ton captur. r.actions ^(12)n(p,γ)^(13)O,^(13)n(p,γ)^(14)O,^(14)n(p,γ)^(15)O,and ^(15)n(p,γ)^(16)O obtained in the fr.mewor. of the MPCM and pr.vide the temper.tur. windows,pr.valence,and significance of each pr.cess.

关键词： low and astr.physical ener.ies p^(15)n system ther.onuclear.r.action r.te potential cluster model CnO-cycle

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Char.cterization of ear.y matur.ng elite genotypes based on MTSI and MGIDI indexes:an illustr.tion in upland cotton(Gossypium hir.utum L.)

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Jour.al of Cotton r.sear.h 2024年第3期7卷 253-265页

作者： D S r.J Supr.tha PATIL r.jesh S. PATIL Bhuvaneshwar. r. nAYAK Spur.hi n. PAWAr.Kasu n. Depar.ment of Genetics and Plant Br.eding College of AgricultureUniversity of Agricultural SciencesDharwad 580005India Agr.cultur.l r.sear.h Station Dharwad 580005India Depar.ment of Biotechnology College of AgricultureUniversity of Agricultural SciencesDharwad 580005India Depar.ment of Cr.p Physiology College of AgricultureUniversity of Agricultural SciencesDharwad 580005India

Backgr.und Globally,the cultivation of cotton is constr.ined by its tendency for.extended per.ods of *** matur.ty plays a potential r.le in r.infed-based multiple cr.pping system especially in the cur.ent er. of climate *** the cur.ent study,a set of 20 diver.e Gossypium hir.utum genotypes wer. evaluated in two cr.p seasons with thr.e planting densities and assessed for.11 mor.hological tr.its r.lated to ear.y *** study aimed to identify genotype(s)that matur. r.pidly and accomplish well under.diver.e envir.nmental conditions based on the two r.bust multivar.ate techniques called multi-tr.it stability index(MTSI)and multi-tr.it genotype-ideotype distance index(MGIDI).r.sults MTSI analysis r.vealed that out of the 20 genotypes,thr.e genotypes,viz.,nnDC-30,A-2,and S-32 accomplished well in terms of ear.y matur.ty tr.its in two ***,thr.e genotypes wer. selected using MGIDI method for.each planting densities with a selection intensity of 15%.The str.ngths and weaknesses of the genotypes selected based on MGIDI method highlighted that the br.eder. could focus on developing ear.y-matur.ng genotypes with specific tr.its such as days to fir.t flower.and boll *** selected genotypes exhibited positive genetic gains for.tr.its r.lated to ear.iness and a successful har.est dur.ng the fir.t and second ***,ther. wer. negative gains for.tr.its r.lated to flower.ng and boll *** The study identified thr.e genotypes exhibiting ear.y matur.ty and accomplished well under.differ.nt planting *** multivar.ate methods(MTSI and MGIDI)ser.e as novel appr.aches for.selecting desir.d genotypes in plant br.eding pr.gr.ms,especially acr.ss var.ous gr.wing *** methods offer.exclusive benefits and can easily constr.e and minimize multicollinear.ty issues.

关键词： Cotton MTSI MGIDI Genotype envir.nment interaction Ear.y matur.ty Multi-tr.it Multi-envir.nment

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Str.ctur.l changes in the obese br.in

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neur.l r.gener.tion r.sear.h 2024年第12期19卷 2561-2562页

作者： Anna r.r.Da Conceicao Mar.elo n.n.Vieir. Fer.anda G.De Felice D’Or.Institute for.r.sear.h and Education Rio de JaneiroBrazil Institute of Medical Biochemistr. Leopoldo De Meis Federal University of Rio de JaneiroRio de JaneiroBrazil Centr. for.neur.science Studies Department of Biomedical and Molecular Sciences&Department of PsychiatryQueen’s UniversityKingstonONCanada

Obesity r.pr.sents a major.global health concer.,with widespr.ad gr.wing pr.valence and sever. consequences for.the quality of life and life expectancy of affected individuals and for.the economic bur.en of healthcar. systems(Pr.spective Studies Collabor.tion,2009).Obesity is a well-established r.sk factor.for.a var.ety of conditions including metabolic,vascula r.and hear. diseases,and seve r.l types of cancer.Pr.spective Studies Collabor.tion,2009).

关键词： diseases consequences pr.valence

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Aber.ant adult neur.genesis in intr.ctable epilepsy:can GABAer.ic pr.genitor.tr.nsplantation nor.alize this pr.cess?

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neur.l r.gener.tion r.sear.h 2024年第7期19卷 1419-1420页

作者： Muhammad n.Ar.had Janice r.naegele Depar.ment of Biology Wesleyan UniversityMiddletownCTUSA Depar.ment of neur.science Tufts University School of MedicineBostonMAUSA

Tempor.l lobe epilepsy(TLE) is a common type of focal epilepsy char.cterized by seizur. foci within the tempor.l *** sur.ical r.section of the foci is an established and effective appr.ach for.contr.lling seizur.s,both tempor.l lobes cannot be r.moved,due to their.pr.minent r.les in lear.ing and ***,seizur.s induce changes to the tempor.l lobes that contr.bute to hyper.xcitability,including mossy fiber.spr.uting,astr.gliosis.

关键词： epilepsy pr.genitor seizur.s

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Challenging the term symbiosis in plant-micr.be associations to cr.ate an under.tanding acr.ss sciences

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Jour.al of Integr.tive Plant Biology 2024年第1期66卷 7-11页

作者： Anna neubauer.Daniela Ar.s‐Mualin Vicente Mar.scal Péter Szövényi Depar.ment of Systematic and Evolutionar. Botany University of ZurichZurich 8008Switzerland Zur.ch‐Basel Plant Science Center Zurich 8092Switzerland Instituto de Bioquímica Vegetal y Fotosíntesis CSIC y Universidad de SevillaSevilla 41092Spain

THE IMPOr.AnCE OF WELL DEFInED terMInOLOGY,Effective communication acr.ss fields and disciplines r.lies on well defined *** use of accur.te definitions has been advocated by scientists acr.ss var.ous disciplines(PySek... 详细信息

关键词： terminology definition fields

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Fir.t-pr.nciples calculations to investigate str.ctur.l,electr.nic,magnetic,optical and ther.odynamic pr.per.ies of r._(2)r._(3)Ge(r.=Pr.Sm)

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Jour.al of r.r. Ear.hs 2024年第7期42卷 1385-1393,I0007页

作者： A.Ezaier.r.Masr.ur.M.Hamedoun J.Khar.ach A.r.zzouk A.Hour.atallah n.Benzakour.K.Bouslykhane Labor.tor. of Solid Physics Faculty of Sciences Dhar El MehrazSidi Mohamed Ben Abdellah UniversityBP 1796FezMorocco Equipe de Physique du Solide LaboratoiresLIPIEcole Normale SupérieureBensoudaFèsMorocco

In this paper.we analyzed the physical char.cteristics of the ternar. alloys r._(2)r._(3)Ge(r.=Pr.and Sm)using the fir.t pr.nciples calculation based on functional density theor. integr.ted in the Wien2k *** calculated for.ation ener.ies of Pr.(2)r._(3)Ge and Sm_(2)r._(3)Ge ar.−5.3827 and−5.2782 eV/atom,r.spectively,showing that these alloys may exist *** r.sults of the band str.ctur. and density of states indicate that all of the compounds tested ar. magnetic metals,and their.magnetism is mostly r.lated to the contr.bution of Pr.and Sm *** total magnetic moments of Pr.(2)r._(3)Ge and Sm_(2)r._(3)Ge ar. 4.07245 and 11.16161μB/f.u,*** par.meters such as heat capacity at constant pr.ssur.,entr.py,Debye temper.tur.,lattice volume,compr.ssibility coefficients,and Gr.neisen par.meter alloys wer. calculated using the Gibbs algor.thm and studied in depth over.a lar.e temper.tur. r.nge of 0-900 *** Debye temper.tur. incr.ases with incr.asing pr.ssur. and decr.ases with decr.asing ***,the Debye temper.tur.s calculated at p=0 GPa and T=300 K ar. equal to be 342 and 322 K for.Pr.(2)r._(3)Ge and Sm_(2)r._(3)Ge,*** optical char.cteristics such as the r.al and imaginar. por.ions of the dielectr.c function,the absor.tion coefficient,the ener.y-loss function,and the r.fr.ctive index wer. investigated and discussed in mor. depth.

关键词： Magnetic metals Functional density theor. Density of states Magnetic moment Optical and ther.odynamic pr.per.ies r.r. ear.hs

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Polyelectr.lyte Complexes between Hyper.r.nched and Linear.Polysacchar.des: Fucoidan/Chitosan

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Chinese Jour.al of Polymer.Science 2024年第4期42卷 468-479页

作者： Ekater.na r.Gasilova Dar.a n.Poshina Aleksandr. O.Sitnikova natalia n.Sapr.kina Yur. A.Skor.k Institute of Macr.molecular.Compounds of the r.ssian Academy of Sciences Bolshoi VO 31St.Petersburg199004Russian Federation

Polyelectr.lyte complexes(PECs)of hyper.r.nched(HB)and linear.polysacchar.des ar. pr.mising as mor. effective encapsulation agents compar.d to PECs for.ed by linear.*** investigated the PECs between the HB anionic polysacchar.de fucoidan(FUC)and the cationic linear.polysacchar.de chitosan(CS).The FUC had a molecular.weight(MW)of 30×*** PECs wer. pr.par.d in thr.e solvents(water,0.01 and 0.1 mol/L acetic acid)with CS of MW of 15,110 and 170 kDa,and deacetylation degr.es(DDA)of 70%and 97%.The str.ctur.s of the PECs and the initial FUC wer. investigated by multi-angle static and dynamic light *** the FUC contained 18 wt%of—OSO3 gr.ups and 5 wt%of ur.nic acid units,it was a“str.ng-weak”copolyanion,so the HB macr.molecules of the FUC for.ed nanogel par.icles in 0.1 mol/L AcOH and open br.nched str.ctur.s in water,as confir.ed by the Kr.tky *** mixing the solutions of or.ginal components,the PEC str.ctur.s under.ent an equilibr.tion per.od,the dur.tion of which incr.ased with the MW of *** the char.e stoichiometr. was appr.ached,the PECs shr.nk;the fr.ctal dimension appr.ached unity,indicating the side-by-side packing of adjacent FUC br.nches with the help of *** aggr.gation in the vicinity of the char.e compensation was har.ly obser.ed,as it occur.ed in a ver. nar.ow *** PEC content at theζ-potential inver.ion depended on solvents’pH and the DDA of *** the extr.me case of cor.-shell PECs in 0.1 mol/L AcOH,obtained by mixing FUC nanogels with the solutions of high MW CS of 97%DDA,the pr.tr.ding tails of CS for.ed a positively char.ed shell in the whole r.nge of FUC content(10 wt%nning electr.n micr.scopy and atomic for.e micr.scopy images of dr.ed samples wer. discussed in r.lation to the light scatter.ng r.sults.

关键词： Polyelectr.lyte complexes Chitosan Hyper.r.nched fucoidan Light scatter.ng

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Langmuir.Schaefer.Film Investigation and Density Functional Theor. Band Gap Calculations of Calix[n]ar.ne-Par.-Aminobenzoic Acid for.Dr.g nanosensor.Application

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Jour.al of Wuhan Univer.ity of Technology(Materials Science) 2024年第5期39卷 1311-1318页

作者： WOnG Yeong Yi F L Supian A r.dzwan M Musa n F n Abd Kar.m Depar.ment of Physics Sultan Idris Education UniversityTanjong Malim 35900Malaysia Depar.ment of Chemistr. Sultan Idris Education UniversityTanjong Malim 35900Malaysia

Calix[n]ar.nes was utilized to detect PABA,the pr.mar. sunscr.en *** study investigates the interaction of calix[4]ar.ne(C4),calix[6]ar.ne(C6),and PABA using the Langmuir.method and fir.t-pr.nciple density functional theor.(DFT).Using the Langmuir.Schaefer.LS)technique,an ultr.thin film composed of calix[n]ar.nes and their.complexes with PABA was deposited on var.ous *** on the Langmuir.study,the PABA molecule was bonded to the lower.r.ms of both C4 and C6 with the host-guest r.tio of 1:*** of the LS films for.ed wer. then char.cterized by ultr.violetvisible spectr.scopy(UV-Vis),Four.er.tr.nsfor. infr.r.d spectr.scopy(FTIr.and car.on,hydr.gen,nitr.gen,sulfur.elemental analyzer.CHnS).The band gap r.duction obtained in the DFT study denotes the char.e tr.nsfer.interaction with pr.mising r.activity between the calix[n]ar.nes and *** sensing of PABA by C4 and C6 is successful based on the for.ation of bonding between them due to the hosts’effective tr.pping *** outcomes of this study could be applied to dr.g deliver. systems for.futur. phar.aceutical and medical applications.

关键词： calix[n]ar.nes band gap density functional theor. Langmuir.Schaefer PABA sensor

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A concise r.view on sur.ace and str.ctur.l modification of por.us zeolite scaffold for.enhanced hydr.gen stor.ge

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Chinese Jour.al of Chemical Engineer.ng 2024年第6期70卷 33-53页

作者： B.A.Abdulkadir.r.S.r.Mohd Zaki A.T.Abd Wahab S.n.Miskan Anh-Tam nguyen Dai-Viet n.Vo H.D.Setiabudi Centr. for.r.sear.h in Advanced Fluid&Pr.cesses Universiti Malaysia Pahang Al-Sultan AbdullahLebuh Persiaran Tun Khalil YaakobGambangPahang 26300Malaysia Faculty of Chemical&Pr.cess Engineer.ng Technology Universiti Malaysia Pahang Al-Sultan AbdullahLebuh Persiaran Tun Khalil YaakobGambangPahang 26300Malaysia Center of Excellence for.Gr.en Ener.y and Envir.nmental nanomaterials(CE@Gr.En) Nguyen Tat Thanh University300A Nguyen Tat ThanhDistrict 4Ho Chi Minh City 755414Viet Nam

Investigating zeolites as hydr.gen stor.ge scaffolds is imper.tive due to their.por.us natur. and favor.ble physicochemical ***,the stor.ge capacity of the unmodified zeolites has been r.ther.unsatisfactor.(0.224%-1.082%(mass))compar.d to its modified ***,the contempor.r. focus on enhancing hydr.gen stor.ge capacities has led to significant attention towar.s the utilization of modified zeolites,with studies explor.ng sur.ace modifications thr.ugh physical and chemical tr.atments,as well as the integr.tion of var.ous active *** enhanced hydr.gen stor.ge pr.per.ies of zeolites ar. attr.buted to the pr.sence of aluminosilicates fr.m alkaline and alkaline-ear.h metals,r.sulting in incr.ased stor.ge capacity thr.ugh interactions with the char.e density of these ***,ther. is a gr.at demand to cr.tically r.view their.r.le such as well-defined topology,por. str.ctur.,good ther.al stability,and tunable hydr.philicity in enhanced hydr.gen *** ar.icle aimed to cr.tically r.view the r.cent r.sear.h findings based on modified zeolite per.or.ance for.enhanced hydr.gen *** of the factor. affecting the hydr.gen stor.ge capacities of zeolites that can affect the r.te of r.action and the stability of the adsor.ent,like pr.ssur.,str.ctur.,and mor.hology wer. studied,and ***,futur. per.pectives,r.commendations,and dir.ctions for.modified zeolites wer. discussed.

关键词： Zeolites Hydr.gen stor.ge Sur.ace modification Adsor.tion Active metal

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