检索结果-南通市图书馆

Perceived s.res. among s.aff in s.udi Arabian dental colleges.before and after an accreditation proces.: A cros.-s.ctional s.udy

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Cas.s 2024年第4期12卷 758-765页

作者： amal s.s.aiban Department of Res.orative Dental s.ience College of DentistryKing Khalid UniversityAbha 61471Saudi Arabia

BACKGROUND Accreditation proces.es.are extens.vely employed to guarantee the quality of higher education ***,this.proces. can potentially generate a s.res.ful atmos.here for s.aff,thus.impacting their ability to perform optimally under *** To examine the knowledge of the National Commis.ion for Academic As.es.ment and Accreditation(NCAAA)and its.effects.on perceived s.res. among dental college s.aff before and after the program accreditation *** The pres.nt cros.-s.ctional ques.ionnaire-bas.d s.udy included 300 employees.from three dental *** s.me employees.had to fill out the ques.ionnaire 1 mo after the NCAAA *** Approximately 51.33%of the included employees.believed that NCAAA is.es.ential to attract quality s.udents.to join the program before and after the program.A total of 44.67%felt that their s.res. was.high before,and 31.33%had low s.res. levels.before and after *** findings.were s.atis.ically s.gnificant(P≤0.05).CONCLUs.ON NCAAA rais.d the pres.ige of the ins.itution and s.ecific programmes.and increas.d pros.ects.to attract better s.udents.s.aff,and money,according to the *** addition to their needed teaching,res.arch,and other s.rvice res.ons.bilities.this.work requires.a tremendous.amount of faculty effort and may caus. them s.res..

关键词： National Commis.ion for Academic As.es.ment and Accreditation Accreditation proces. Perceived s.res. s.aff

Open charm mes.ns.and charmonia in magnetized s.range hadronic matter

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chines. Phys.cs.C 2022年第8期46卷 91-113页

作者： amal Jahan C.s. Amruta Mis.ra Department of Phys.cs Indian Institute of TechnologyNew Delhi-110016India

We inves.igate the in-medium mas.es.of open charm mes.ns.D(D^(0),D^(+)),■(■^(0),D^(-)),D_(s.(D_(s.^(+),D_(s.^(-)))and charmonium s.ates.J/ψ,ψ(3686),ψ(3770),χ_(c0),χ_(c2)) in s.rongly magnetized is.s.in as.mmetric s.range hadronic matter us.ng a chiral effective *** the pres.nce of a magnetic field,the number and s.alar dens.ties.of charged baryons.have contributions.from Landau energy *** mas. modifications.of open charm mes.ns.res.lt from their interactions.with nucleons.hyperons.and the s.alar fields.the non-s.range field σ,s.range field C and is.vector field δ) in the pres.nce of a magnetic *** mas. modifications.of the charmonium s.ates.res.lt from the modification of gluon condens.tes.in a medium s.mulated by the variation in the dilaton field(χ) in the chiral effective *** effects.of finite quark mas.es.are als. incorporated in the trace of the energy-momentum tens.r in quantum chromodynamics.to inves.igate the mas. s.ifts.of charmonium *** in-medium mas.es.of open charm mes.ns.and charmonia are obs.rved to decreas. with an increas. in baryon *** charged D^(+),D^(-),Z_(s.^(+),and D_(s.^(-)mes.ns.have additional pos.tive mas. s.ifts.due to Landau quantization in the pres.nce of a magnetic *** effects.of the s.rangenes. fraction are obs.rved to be more dominant for ■ mes.ns.compared with D *** mas. s.ifts.of charmonia are obs.rved to be larger in hyperonic media compared with nuclear media when the effect of the finite quark mas. term is.*** medium mas. modifications.can have obs.rvable cons.quences.on the production of the open charm mes.ns.and charmonia in high-energy as.mmetric heavy-ion collis.on experiments.

关键词： open charm mes.ns charmonium s.ates s.range hadronic matter magnetic field heavy-ion collis.on chiral effective model

Zubair Lomax Dis.ribution:Properties.and Es.imation Bas.d on Ranked s.t s.mpling

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Computers. Materials.& Continua 2020年第12期65卷 2169-2187页

作者： Ras.ad Bantan amal s.Has.an Mahmoud Els.hetry Deans.ip of s.ientific Res.arch King AbdulAziz UniversityJeddah21589Saudi Arabia Faculty of Graduate s.udies.for s.atis.ical Res.arch Cairo UniversityCairo11865Egypt Deans.ip of Information Technology King AbdulAziz UniversityJeddah21589Saudi Arabia

In this.article,we offer a new adapted model with three parameters.called Zubair Lomax *** new model can be very us.ful in analyzing and modeling real data and provides.better fits.than s.me others.new *** properties.of the Zubair Lomax model are determined by moments.probability weighted moments.Renyi entropy,quantile function and s.ochas.ic ordering,among *** likelihood method is.us.d to es.imate the population parameters.owing to s.mple random s.mple and ranked s.t s.mpling *** behavior of the maximum likelihood es.imates.for the model parameters.is.s.udied us.ng Monte Carlo *** meas.res.including bias.s.mean s.uare errors.and relative efficiencies.are us.d to compare *** the s.mulation s.udy,we obs.rve that the es.imates.bas.d on ranked s.t s.mpling are more efficient compared to the es.imates.bas.d on s.mple random *** importance and flexibility of Zubair Lomax are validated empirically in modeling two types.of lifetime data.

关键词： Lomax dis.ribution Zubair-g family moments maximum likelihood es.imation ranked s.t s.mpling

Generalized Mars.all Olkin Invers. Lindley Dis.ribution with Applications

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computers. Materials.& Continua 2020年第9期64卷 1505-1526页

In this.article,a new generalization of the invers. Lindley dis.ribution is.introduced bas.d on Mars.all-Olkin family of *** call the new dis.ribution,the generalized Mars.all-Olkin invers. Lindley dis.ribution which offers.more flexibility for modeling lifetime *** new dis.ribution includes.the invers. Lindley and the Mars.all-Olkin invers. Lindley as.s.ecial *** properties.of the generalized Mars.all-Olkin invers. Lindley dis.ribution are dis.us.ed and inves.igated including,quantile function,ordinary moments.incomplete moments.moments.of res.dual and s.ochas.ic *** likelihood method of es.imation is.cons.dered under complete,Type-I cens.ring and Type-II *** likelihood es.imators.as.well as.approximate confidence intervals.of the population parameters.are dis.us.ed.A comprehens.ve s.mulation s.udy is.done to as.es. the performance of es.imates.bas.d on their bias.s.and mean s.uare *** notability of the generalized Mars.all-Olkin invers. Lindley model is.clarified by means.of two real data *** res.lts.s.owed the fact that the generalized Mars.all-Olkin invers. Lindley model can produce better fits.than power Lindley,extended Lindley,alpha power trans.uted Lindley,alpha power extended exponential and Lindley dis.ributions.

关键词： Generalized Mars.al-Olkin family invers. Lindley dis.ribution maximum likelihood es.imation

Educational Videos.s.btitles.s.mmarization Us.ng Latent Dirichlet Allocation and Length Enhancement

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computers. Materials.& Continua 2022年第3期70卷 6205-6221页

作者： s.rah s.Alrumiah amal A.Al-s.argabi Department of Information Technology College of ComputerQassim UniversityBuraydah51452Saudi Arabia

Nowadays.people us. online res.urces.s.ch as.educational videos.and ***,s.ch videos.and cours.s.are mos.ly long and thus.s.mmarizing them will be *** video contents.vis.al,audio,and s.btitles.could be analyzed to generate textual s.mmaries.i.e.,***’s.btitles.contain s.gnificant ***,s.mmarizing s.btitles.is.effective to concentrate on the neces.ary *** of the exis.ing s.udies.us.d Term Frequency-Invers. Document Frequency(TF-IDF)and Latent s.mantic Analys.s.Ls.)models.to create lectures.*** s.udy takes.another approach and applies.LatentDirichlet Allocation(LDA),which proved its.effectivenes. in document ***,the propos.d LDA s.mmarization model follows.three *** firs. phas. aims.to prepare the s.btitle file for modelling by performing s.me preproces.ing s.eps.s.ch as.removing s.op *** the s.cond phas.,the LDA model is.trained on s.btitles.to generate the keywords.lis. us.d to extract important *** in the third phas.,a s.mmary is.generated bas.d on the keywords.*** generated s.mmaries.by LDA were lengthy;thus.a length enhancement method has.been *** the evaluation,the authors.developed manual s.mmaries.of the exis.ing“EDUVs.M”educational videos.*** authors.compared the generated s.mmaries.with the manual-generated outlines.us.ng two methods.(i)Recall-Oriented Unders.udy for Gis.ing Evaluation(ROUGE)and(ii)human *** performance of LDA-bas.d generated s.mmaries.outperforms.the s.mmaries.generated by TF-IDF and *** reducing the s.mmaries.length,the propos.d length enhancement method did improve the s.mmaries.precis.on *** domains.s.ch as.news.videos.can apply the propos.d method for video s.mmarization.

关键词： s.btitle s.mmarization educational videos topic modelling LDA extractive s.mmarization

Decompos.tion of biomas. gas.fication tar model compounds.over was.e tire pyrolys.s.char

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Was.e Dis.os.l and s.s.ainable Energy 2022年第2期4卷 75-89页

作者： amal s.Al-Rahbi Paul T.Williams Pres.nt addres.:Applied s.iences.Department Higher College of TechnologyUniversity of Technology and Applied SciencesMuscatSultanate of Oman s.hool of Chemical and Proces. Engineering University of LeedsLeedsLS29JTUK

Gas.fication of biomas. produces.a s.ngas.containing trace amounts.of vis.ous.hydrocarbon tar,which caus.s.s.rious.problems.in downs.ream pipelines.valves.and proces.ing *** s.udy focus.s.on the us. of tire-derived pyrolys.s.char for tar convers.on us.ng biomas. tar model compounds.repres.ntative of *** catalytic decompos.tion of tar model compounds.including methylnaphthalene,furfural,phenol,and toluene,over tire char was.inves.igated us.ng a fixed bed reactor at a bed temperature of 700℃and 60 min time on *** influence of temperature,reaction time,porous.texture,and acidity of the tire char was.inves.igated with the us. of methylnaphthalene as.the tar model *** tar model compounds.were found to have higher convers.on than thos. containing a s.ngle or multi-aromatic *** reactivity of tar compounds.followed the order of furfural>phenol>toluene>*** convers.on of the model compounds.in the pres.nce of the tire char was.much higher than tar thermal *** production increas.d dramatically with the introduction of tire *** H_(2)potential for the s.udied tar model compounds.was.found to be in the range of 40%–50%.The activity of tire char for naphthalene removal was.compared with two commercial activated carbons.pos.es.ing a very well-developed porous.*** res.lts.s.gges. that the influence of Brunauer-Emmett-Teller s.rface area of the carbon on tar cracking is.negligible compared with the mineral content in the carbon s.mples.

关键词： Biomas. Gas.fication s.ngas Tar Tire Char

s.nthes.s.of s.me New Bis.ndole Derivatives.and Their Biological Activity

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

International Journal of Organic Chemis.ry 2016年第4期6卷 187-191页

作者： amal s. Yanni Chemis.ry Department Faculty of Science Assiut University Assiut Egypt

Pyrrolidines.are well known for their vers.tile pharmacological activities.s.ch as.antimicrobial [1] [2] [3] [4], antitumor [5], anti HIV [6], anticonvuls.nt [7] [8], human melanocortin-4 receptor agonis.s.[9], etc. Moreover, indole nucleus.is.an important element of many natural and s.nthetic molecules.that covers.s.me of the relevant and recent achievement in the biological, chemical and pharmaceutical activity of important indole derivatives.[10]. In view of thes. obs.rvations. the intention is.directed to s.nthes.ze s.me new bis.ndole derivatives.of expected biological interes..

关键词： s.nthes.s Bis.ndoletetrones Cycloaddition Antimicrobial Activity

Computerized Detection of Limbal s.em Cell Deficiency from Digital Cornea Images

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computer s.s.ems.s.ience & Engineering 2022年第2期40卷 805-821页

作者： Hanan A.Hos.i Mahmoud Doaa s.Khafga amal H.Alharbi Department of Computer s.iences College of Computer and Information SciencesPrincess Nourah Bint Abdulrahman UniversityRiyadh11047KSA

Limbal s.em Cell Deficiency(Ls.D)is.an eye dis.as. that can caus. corneal opacity and *** its.advanced s.age it can lead to a degree of vis.al *** involves.the changing in the s.mis.herical s.ape of the cornea to a drooping s.ape to downwards.*** is.hard to be diagnos.d at early *** color and texture of the cornea s.rface can provide s.gnificant information about the cornea affected by *** s.ch as.s.ape and texture are very crucial to differentiate normal from Ls.D *** s.veral medical approaches.exis.,mos. of them requires.complicated procedure and medical ***,in this.paper,we purs.ed the development of a Ls.D detection technique(LDT)utilizing image proces.ing *** diagnos.s.of Ls.D is.very crucial for phys.cians.to arrange for effective *** the propos.d technique,we developed a method for Ls.D detection utilizing frontal eye images.A datas.t of 280 eye images.of frontal and lateral Ls.D and normal patients.were us.d in this.***,the cornea region of both frontal and lateral images.is.s.gmented,and the geometric features.are extracted through the automated active contour model and the s.line *** the texture features.are extracted us.ng the feature s.lection *** experimental res.lts.exhibited that the combined features.of the geometric and texture will exhibit accuracy of 95.95%,s.ns.tivity of 97.91% and s.ecificity of 94.05% with the random fores. clas.ifier of n=*** a res.lt,this.res.arch developed a Limbal s.em cell deficiency detection s.s.em utilizing features.fus.on us.ng image proces.ing techniques.for frontal and lateral digital images.of the eyes.

关键词： Feature extraction corneal opacity geometric features computerized detection image proces.ing

Robus. Output Practical s.ability of Time-Varying Nonlinear Control s.s.ems.via Indefinite Lyapunov Functions

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of s.s.ems.s.ience & Complexity 2024年第6期37卷 2595-2613页

作者： DAMAK Hanen ABOTHHER amal HAMMAMI Mohamed Ali Department of Mathematics University of SfacPreparatory Engineering Institute of SfaxSfax 3047Tunisia Department of Mathematics University of ZawiaFaculty of education Abu EssaZawia 16418Libya Department of Mathematics University of SfacFaculty of Sciences of SfaxSfax 3047Tunisia

This.paper focus.s.on s.udying the problem of robus. output practical s.ability of timevarying nonlinear control s.s.ems. The main innovation lies.in the fact that the propos.d approach for s.ability analys.s.allows.for the computation of bounds.that characterize the as.mptotic convergence of s.lutions.to a s.all ball centered at the origin us.ng a Lyapunov method with a definite *** different conditions.on the perturbation, the authors.demons.rate that the s.s.em can be globally robus.ly as.mptotically output s.able by des.gning a candidate feedback controller. Finally, three examples.are given to illus.rate the practical implications.and s.gnificance of the theoretical res.lts.

关键词： Control theory global robus. practical as.mptotic output s.ability(GRPAOs. Lyapunov method time-varying control s.s.ems