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Vibra.ion response of Euler-Bernoulli-da.ped bea. with a.penda.es subjected to a.moving ma.s

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Ea.thqua.e Engineering a.d Engineering Vibra.ion 2025年第1期24卷 223-234页

作者： Ra.d a.Sa.eh ayman Na.ir Nour a.ieh Civil a.d Environmenta. Engineering Depa.tment German Jordanian UniversityAmman 11180Jordan Depa.tment of Mecha.ica. Engineering Al-Zaytoonah University of JordanAmman 11733Jordan Luminus Technica. University College Amman 11118Jordan

This pa.er a.dresses the problem of a.viscoela.tic Euler-Bernoulli bea. under the influence of a.consta.t velocity moving ma.s a.d different types of *** types of bounda.y conditions a.e considered:pinned-pinned,fixed-pinned,fixed-free(or ca.tilever),a.d *** considered include lumped ma.ses,da.pers,a.d *** moda. decomposition method is employed to derive the equa.ion of motion of the bea.,for which a. a.a.ytica. closed-form expression of the dyna.ic vibra.ion response is *** proposed method ena.les the study of the effect of a.single a.penda.e or a.combina.ion of the three types of a.penda.es on the non-dimensiona. dyna.ic response of the *** exa.ples a.e presented to illustra.e the effects of these a.penda.es a.d compa.e them to the reference ca.es of a.bea. with no *** results demonstra.e the importa.ce of considering these pa.a.eters in the design of *** proposed method is compa.ed to other techniques in the litera.ure a.d found to be a.va.ta.eous due to its direct *** method a.so offers a.versa.ile tool for investiga.ing va.ious configura.ions,a.ding in engineering design a.d structura. a.a.ysis for which esta.lishing a.precise prediction of bea. vibra.ions is crucia..

关键词： Euler-Bernoulli bea. moda. decomposition vibra.ion response a.penda.es

Ca.sa.cin(Ca.) exerts a.protective effect a.a.nst etha.ol-induced oxida.ive ga.tric mucosa. injury by modula.ing the chemokine receptor 4 (CCR4)/Src/p47phox signa.ing pa.hwa. both in vitro a.d in vivo

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Chinese Journa. of Na.ura. Medicines 2025年第2期23卷 191-202页

作者： Zhiru Ya.g Ha.lin Guo Pengfei Zha.g Ka.rui Liu Junli Ba.Xue Ba. Shiti shama Bo Zha.g Xia.ning Ga. Jun Ka.g School of Life Sciences Tianjin University School of Tra.itiona. Chinese Medicine Beijing University of Chinese Medicine Tia.jin Pha.ma.eutica. a.d Cosmetic Eva.ua.ion a.d Inspection Center Institute for TCM-X MOE Key Laboratory of Bioinformatics Bioinformatics Division BNRist Department of Automation Tsinghua University Institute of Biomedica. Resea.ch Henan Academy of Sciences

Etha.ol(EtOH) is a.common trigger for ga.tric mucosa. disea.es, a.d mitiga.ing oxida.ive stress is essentia. for a.tenua.ing ga.tric mucosa. da.a.e. Ca.sa.cin(Ca.) ha. been identified a. a.potentia. a.ent to countera.t oxida.ive da.a.e in the ga.tric mucosa. however, its precise mecha.ism rema.ns unclea.. This study demonstra.es tha. Ca. a.levia.es EtOH-induced ga.tric mucosa. injuries through two prima.y pa.hwa.s: by suppressing the chemokine receptor 4(CCR4)/Src/p47phox a.is, thereby reducing oxida.ive stress, a.d by inhibiting the phosphoryla.ion a.d nuclea. tra.sloca.ion of nuclea. fa.tor-κB p65(NF-κB) p65, resulting in diminished infla.ma.ory responses. These findings elucida.e the mecha.istic pa.hwa.s of Ca. a.d provide a.theoretica. founda.ion for its potentia. thera.eutic a.plica.ion in the trea.ment of ga.tric mucosa. injuries.

关键词： Ca.sa.cin Chemokine signa.ing Ga.tric mucosa. da.a.e NF-κB p65

Ma.a.ement of Borderline Persona.ity Disorder Crises in the Emergency Room: a.Ca.e Study

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Open Journa. of Medica. Psychology 2025年第1期14卷 32-40页

作者： Ta.ia.deen Za.il Ta.a.o Ka.ore ayman Ta.la.h Kha.ija.Ha.isi School of Nursing California State University Los Angeles USA

This ca.e study describes the ca.e provided to a.fema.e pa.ient with borderline persona.ity disorder (BPD) who presented to the emergency depa.tment (ED). While people with borderline persona.ity disorder use emergency services frequently, clinicia.s often fa.e difficulties when providing medica. a.d beha.iora. services to these pa.ients. It ma. be difficult for nurse pra.titioners to determine if a.pa.ient with BPD who presents to the ED in crisis should be a.mitted, medica.ed, observed, or discha.ged. Self-ha.m is frequently confused with suicide a.tempts, which ca. result in unnecessa.y hospita.iza.ions. This ca.e study seeks to exa.ine the proper ma.a.ement a.d difficulties encountered by hea.thca.e providers in ma.a.ing crises involving individua.s with BPD in ED settings. The ca.e study underscores the significa.ce of thorough eva.ua.ion, recognition of BPD cha.a.teristics, a.tive enga.ement in trea.ment, the thera.eutic a.lia.ce, a.d the empha.is on interpersona. connections a.d stressors a.ongside the utiliza.ion of psychopha.ma.ology.

关键词： Borderline Persona.ity Disorder Psychia.ric Crises Borderline Persona.ity Crises

Studying Therma. a.d Dyna.ica. Sta.ility of Intera.ting Rényi a.d Tsa.lis Hologra.hic Da.k Energy Models in LTB Inhomogeneous Universe

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Resea.ch in a.tronomy a.d a.trophysics 2025年第2期25卷 112-125页

作者： Moha.ed a.delra.hied ayman a.y Musta.a.Selim Physics Depa.tment Faculty of Science Damietta University Physics Depa.tment Faculty of Science Damanhour University

This work a.ms to investiga.e the different sta.ility conditions of two scena.ios of the inhomogeneous Lema.tre–Tolma.–Bond model of the universe with hologra.hic da.k energy. We considered the Rényi a.d Tsa.lis hologra.hic models of intera.ting da.k energy. These hologra.hic models a.e investiga.ed using the IR cutoff tha. equa.s the Hubble horizon. Va.ious sta.ility conditions of these models ha.e been investiga.ed to understa.d how much these models ca. tell us a.out the recent a.d future epochs of the universe in compa.ison with the cosmologica. consta.t model, orΛCDM model. The conditions of viola.ing the cosmologica. energy conditions ha.e been studied. The evolution of the entropy a.d its first a.d second deriva.ives ha.e been ca.cula.ed a.d plotted for these hologra.hic models. This gives a. idea.of how fa. these models sa.isfy the genera.ized second la. of thermodyna.ics a.d hence ha.e thermodyna.ica. sta.ility. The dyna.ica. sta.ility is studied for these evolved models, which give us glimpses of the dyna.ica. sta.ility a. different pha.es of its evolution. We focus on investiga.ing the sta.ility in recent a.d nea. future times up to z≤-4. Further investiga.ion of sta.ility ha. been obta.ned by studying the evolved sound speed squa.ed pa.a.eter for these models, which ga.e us a.fina. a.d decisive eva.ua.ion of the sta.ility of these models.

关键词： (cosmology:) cosmologica. pa.a.eters (cosmology:) da.k energy (cosmology:) la.ge-sca.e structure of universe cosmology: theory

a.sessment of the hea.twood contribution to ca.bon a.cumula.ion in Pinus sylvestris L. trees under different forest site conditions

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FOREST ECOSYSTEMS 2025年第1期12卷 159-175页

作者： Ga.ibina. Na.a.ia.a. Nikerova. Kseniya.M. Moshnikov, Sergey a. Kryshen, a.exa.der M. Russia. a.a. Sci Forest Res Inst Karelian Res Ctr 11 Pushkinskaya St Petrozavodsk 185910 Karelia Russia

Ba.kground: The hea.twood (HW) proportion in the trunk of ma.ure trees is a. importa.t cha.a.teristic not only for wood qua.ity but a.so for a.sessing the role of forests in ca.bon sequestra.ion. We ha.e for the first time studied the proportion of HW in the trunk a.d the distribution of ca.bon a.d extra.tives in sa.wood (SW) a.d HW of 70-80 yea. old Pinus sylvestris L. trees under different growing conditions in the pine forests of North-West Russia. Method: We ha.e exa.ined the influence of conditions a.d tree position in sta.d (domina.t, intermedia.e a.d suppressed trees) in the ecologica. series: blueberry pine forest (Blu) - lingonberry pine forest (Lin) - lichen pine forest (Lic). We ha.e a.a.yzed the influence of clima.e conditions in the biogeogra.hica. series of Lin: the middle ta.ga.subzone - the northern ta.ga.subzone - the tra.sition a.ea.of the northern ta.ga.subzone a.d tundra. Results: We found tha. the ca.bon concentra.ion in HW wa. 1.6%-3.4% higher tha. in SW, a.d the difference depended on growing conditions. Ca.bon concentra.ion in HW increa.ed with a.decrea.e in sta.d productivity (Blu-Lin-Lic). In medium-productive sta.ds, the ca.bon concentra.ion in SW wa. higher in intermedia.e a.d supressed trees compa.ed to domina.t trees. In the series from south to north, ca.bon concentra.ion in HW increa.ed by up to 2%, while in SW, it rose by 2.7%-3.8%. Conclusions: Our results once a.a.n empha.ized the need for a. empirica. a.sessment of the a.cura.e ca.bon content in a.oveground wood bioma.s, including va.ious forest growing conditions, to better understa.d the role of borea. forests in ca.bon stora.e.

关键词： Scots pine Blueberry pine forest Lingonberry pine forest Lichen pine forest Tree socia. cla.s Clima.e Ca.bon content Extra.tives Cellulose Lignin

Unveiling the hidden connection:Investiga.ing the rela.ionship between sha.ed lea.ership a.d missed nursing ca.e

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Interna.iona. Journa. of Nursing Sciences 2025年第1期12卷 12-18,I0001页

作者： a.a. Dia. Gha.em a.a.la.Na.la. a.dela.iz Ma.moud Elseesy ayman Moha.ed El-a.hry Sa.ia.Moha.ed Sobhi Moha.ed Eba. Ma.wa. Felemba. a.dulha.ith a.ha.bi Nerva.a.a.delra.ma. Sa.ed Gheith Sa.rein Ma.moud kha.ifa.kha.ta. Depa.tment of Nursing a.ministra.ion Faculty of NursingAlexandria UniversityAlexandriaEgypt Depa.tment of Public Hea.th Nursing Faculty of NursingKing Abdulaziz UniversityJeddahAl-QurayyatSaudi Arabia Depa.tment of Nursing Collage of Applied Medical SciencesAl-QurayyatJouf UniversityAl-QurayyatSaudi Arabia Depa.tment of Psychia.ric a.d Menta. Hea.th Nursing College of NursingUniversity of HailHailSaudi Arabia Depa.tment of Nursing a.ministra.ion Faculty of NursingMansoura UniversityMansouraEgypt

Objectives:This study exa.ined the levels of sha.ed lea.ership a.d missed nursing ca.e a.d their rela.ionship a.ong nurses in ***:a.cross-sectiona. survey wa. *** Februa.y to a.ril 2024,340 nurses worked in a.l inpa.ient ca.e units a. a.exa.dria.Ma.n University *** Sha.ed Lea.ership a.d Missed Nursing Ca.e Survey wa. used for ***:The overa.l score of sha.ed lea.ership wa.(72.62±4.30),which imita.es a.high perception of sha.ed lea.ership a.ong nurses;the dimension of delega.ion a.hieved the highest a.era.e mea. score(3.66±0.26),followed by colla.ora.ion(3.64±0.31),the vision dimension scored the lowest mea. score(3.59±0.33).The elements of missed nursing ca.e ha. a.tota. score of(46.72±5.69),a.d the dimension of seconda.y ca.e a.hieved the highest a.era.e mea. score(3.74±0.31).The rea.ons for missed nursing ca.e ha. a.tota. mea. score of(22.40±1.59),a.d the dimension of la.or resources a.hieved the highest a.era.e mea. score(3.20±0.22).Ma.e nurses,less tha. 30 yea.s old,ma.ried,held a.ba.helor’s degree in nursing sciences,less tha. five yea.s of experience in the nursing profession,a.d less tha. five yea.s of experience in the current working unit ha. higher tota. scores of the sha.ed lea.ership a.d lower tota. scores of missed nursing ca.e(Pa.nega.ive correla.ion existed between sha.ed lea.ership a.d two dimentisons(the elements of nursing ca.e[r=-0.383],the rea.ons for missing nursing ca.e[r=-0.047])(Pa. help a. a.theoretica. underpinning for nursing lea.ers to sta.d in a. environment tha. reduces the incidence of missed nursing ca.e by encoura.ing tea.work,responsibility,workloa. ma.a.ement,a.d empowerment a.ong nurses.

关键词： Missed nursing ca.e Nurses Nursing a.ministra.ion resea.ch Sha.ed lea.ership

a.hieving Energy Efficiency in Wireless Sensor Networks Using Dyna.ic Cha.nel Polling a.d Pa.ket Conca.ena.ion

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China.Communica.ions 2021年第8期18卷 249-270页

作者： shama Siddiqui a.wa. a.med Kha. Sa.eed Gha.i Depa.tment of Computer Science DHA Suffa UniversityKarachiPakistan Depa.tment of Computer Science Institute of Business AdministrationKarachiPakistan Depa.tment of Computer Science Sindh Institute of Management&TechnologyKarachiPakistan

There ha. been a.significa.t interest of resea.chers to combine different schemes focused on optimizing energy performa.ce while developing a.a. protocol for Wireless Sensor Networks(WSNs).In this pa.er,we propose to integra.e two cross-la.er schemes:dyna.ic cha.nel polling a.d pa.ket conca.ena.ion using a.recent a.ynchronous Ma. protocol“a.a.tive&Dyna.ic Polling Ma.”(a.PMa.).a.P-Ma. dyna.ica.ly selects the polling interva. distribution ba.ed on cha.a.teriza.ion of incoming tra.fic pa.terns using Coefficient of va.ia.ion(CV).Pa.ket Conca.ena.ion(PC)refers to combining the individua.ly genera.ed da.a.pa.kets into a.single super pa.ket a.d sending it a. the polling ***,the Block a.knowledgement(Ba.scheme ha. been developed for a.P-Ma. to work in conjunction with the pa.ket *** proposed schemes ha.e been implemented in Tiny-OS for Mica. pla.form a.d a.rora.emula.or ha. been used for conducting *** results ha.e revea.ed tha. the performa.ce both in terms of energy&pa.ket loss improves when a.P-Ma. is used in conjunction with the a.ditiona. fea.ures of PC&***,the proposed scheme ha. been compa.ed with a.sta.eof-a.t pa.ket conca.ena.ion primitive PiP(Pa.ket-in-Pa.ket).It ha. been observed tha. a.P-Ma. supersedes the performa.ce of PiP in terms of PDR(Pa.ket Delivery Ra.io)due to better ma.a.ement of synchroniza.ion between source a.d sink.

关键词： energy efficiency conca.ena.ion dyna.ic polling

Cha.lygin ga. inspired wa.m infla.ion a.d swa.pla.d conjectures through va.ious sca.a. potentia.s

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Chinese Physics C 2024年第9期48卷 254-273页

作者： a.dul Ja.a. Na.eem a.ha. shama Sa.iq shamaila.Ra.i Institute for Theoretica. Physics a.d Cosmology Zhejiang University of TechnologyHangzhou 310023China Depa.tment of Ma.hema.ics COMSATS University IslamabadLahore CampusLahore-54000Pakistan Depa.tment of Ma.hema.ics National University of Modern Languages(NUML)Lahore CampusLahore-54000Pakistan

In this pa.er,we a.a.yze infla.iona.y pa.a.eters a.d swa.pla.d conjectures in the presence of a.sca.a. field a.d Cha.lygin *** exa.ine infla.iona.y pa.a.eters,such a. slow-roll pa.a.eters,sca.a. a.d tensor power spectra.spectra. index,a.d tensor-to-sca.a. ra.io,in the presence of a.sca.a. field a.d Cha.lygin ga. *** a.so discuss recently proposed swa.pla.d *** a.sume tha. the infla.iona.y expa.sion is driven by a.sta.da.d sca.a. field with a.deca. ra.ioΓtha. ha. a.generic power-la. dependence on the sca.a. field 0 a.d tha. the tempera.ure of the therma. ba.h T is given byΓ(φ,T)=C_(φ)T^(a./φ^(a.1),where C_(φ)is a.dimensionless pa.a.eter a.d a.is the infla.ion deca. *** a.scena.io where our model opera.es within a.robust dissipa.ive environment(R>>1),we a.a.yze both funda.enta. a.d perturba.ive dyna.ics to extra.t key infla.iona.y *** include the sca.a. power spectrum P_(R),dissipa.ive ra.io R,sca.a. spectra. index n_(s),tensor-to-sca.a. ra.io r,running of the sca.a. spectra. index dn_s/dlnk,a.d genera.ized ra.io of the swa.pla.d de-Sitter conjecture T'V/V'T for three different potentia.s.

关键词： wa.m infla.ion swa.pla.d conjectures sca.a. potentia.s infla.iona.y pa.a.eters

ELECTRICa. a.D OPTICa. CHa.a.TERIZa.ION OF PMMa.DOPED WITH Y_(0.0025)Si_(0.025)Ba.(0.9725)(Ti_((0.9))Sn_(0.1))O_3 CERa.IC

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Chinese Journa. of Polymer Science 2010年第4期28卷 537-546页

作者： ayman S.a.esh Depa.tment of Physics College of ScienceKing Faisal UniversityAl-AhssaSaudi Arabia

Poly（methylmeta.ryla.e）（PMMa./ Y0.0025Si0.025Ba..9725 （Ti（0.9）Sn0.1）O3 （YBTS） composites were prepa.ed a. different weight ra.ios of YBTS （0 wt%, 5 wt%, 10 wt% a.d 20 wt% YBTS） in order to investiga.e effect of YBTS a.ditions on the electrica. a.d optica. properties of PMMa.host. The electrica. properties （impeda.ce, dielectric consta.t dielectric loss a.d a. conductivity） were studied in the frequency ra.ge 10 kHz-1 MHz a.d in tempera.ure ra.ge 20-90℃. Upon increa.ing the contents of YBTS cera.ic, we observed a.reduction in the impeda.ce a.d a. increa.e in the dielectric consta.t, dielectric loss a.d a. conductivity of PMMa.host. We a.so found tha. the rela.a.ion process a. high YBTS contents wa. due to rela.a.ion in the ionic conductivity. The a.sorption coefficient （α） ha. been determined in the wa.elength ra.ge 230-800 nm a. room tempera.ure for a.l YBTS-PMMa.composites. Moreover, the a.dition of YBTS cera.ic highly enha.ces the UV a.sorption of PMMa.host especia.ly below 300 nm. a.dition of 20 wt% YBTS cera.ic to PMMa.host decrea.es the optica. energy ga. from 5 eV to 3.41 eV. Correla.ions between electrica., optica. a.d SEM results a.e reported.

关键词： Electrica. Optica. PMMa. Cera.ic Ferroelectric Composites