检索结果-南通市图书馆

Classical taxonomy,molecular phylogeny and genetic analysis of.the genus Exitianus Ball,1929(Hemiptera:Cicadellidae:Deltocephalinae)f.om Egypt

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Zoological Systematics 2024年第2期49卷 143-157页

作者： Rabab M.El-Hady ahmed f.El-Sayed Survey&Taxonomy Department Plant Protection Research InstituteAgriculture Research CentreGizaEgypt Microbial Genetics Department Biotechnology Research InstituteNational Research CentreGizaEgypt Egypt Center f.r Research and Regenerative Medicine(ECRRM) CairoEgypt

Egyptian species of.the leaf.opper genus Exitianus Ball,1929,***(St?l,1855),***(Distant,1908),and *** Ross,1968 are ***,morphological descriptions,and a key f.r their identif.cation are *** this study,we used molecular techniques to conf.rm morphological identif.cation and detect phylogeny among the three Exitianus *** partial nucleotide sequences of.the amplif.ed products obtained were determined by Macrogen *** nucleotide sequences of.28S rDNA and COX genes of.the EGY-ARC-9,EGY-ARC-4,and EGY-ARC-5 were determined by Macrogen Korea,blasted into BLAST at the National Center f.r Biotechnology Inf.rmation website(NCBI)and compared with those deposited in the GenBank DNA *** results represented the homology percentage between the partial sequences of.the 28S rRNA and COX genes f.om each species and related species obtained f.om GenBank DNA *** morphological identif.cations of.the three Exitianus species were conf.rmed by molecular characterization and sequencing of.28S rDNA and COX genes and identif.ed as ***,***,and ***,their sequences of.28srDNA and COX genes were deposited in GenBank with an accession number(LC670610,LC670607,and OQ196105)f.r 28srDNA gene and(LC775357,LC775358,and LC775359)f.r the COX gene.

关键词： Auchenorrhyncha Chaismini taxonomic 28S rDNA phylogenetic

A Comprehensive Review on Charging Topologies and Power Electronic Converter Solutions f.r Electric Vehicles

在线全文

学校读者我要写书评

暂无评论

Journal of.Modern Power Systems and Clean Energy 2024年第3期12卷 675-694页

作者： Abdelf.tah Ali Hossam H.H.Mousa Mostaf. f.Shaaban Maher A.Azzouz ahmed S.A.Awad the Department of.Electrical Engineering American University of Sharjah26666 SharjahUnited Arab Emirates the Department of.Electrical Engineering South Valley University83523 QenaEgypt the Department of.Electrical and Computer Engineering University of WindsorWindsorON N9B 3P4 Canada Electrical Engineering Department Qatar UniversityDoha 2713Qatar Department of.Electrical and Computer Engineering Sultan Qaboos UniversityMuscat123Oman

Electric vehicles(EVs)are becoming more popular worldwide due to environmental concerns,f.el security,and price *** perf.rmance of.EVs relies on the energy stored in their batteries,which can be charged using either AC(slow)or DC(f.st)***,EVs can also be used as mobile power storage devices using vehicle-to-grid(V2G)*** electronic converters(PECs)have a constructive role in EV applications,both in charging EVs and in ***,this paper comprehensively investigates the state of.the art of.EV charging topologies and PEC solutions f.r EV *** examines PECs f.om the point of.view of.their classif.cations,conf.gurations,control approaches,and f.ture research prospects and their impacts on power *** can be classif.ed into various topologies:DC-DC converters,AC-DC converters,DC-AC converters,and AC-AC *** address the limitations of.traditional DC-DC converters such as switching losses,size,and high-electromagnetic interf.rence(EMI),resonant converters and multiport converters are being used in high-voltage EV ***,power-train converters have been modif.ed f.r high-ef.iciency and reliability in EV *** paper of.ers an overview of.charging topologies,PECs,challenges with solutions,and f.ture trends in the f.eld of.the EV charging station applications.

关键词： Charging station charging topology electric vehicle power electronic converter vehicle-to-grid

Study of.scalar particles through the Klein–Gordon equation under rainbow gravity ef.ects in Bonnor–Melvin-Lambda space-time

在线全文

学校读者我要写书评

暂无评论

Communications in Theoretical Physics 2024年第4期76卷 113-125页

作者： f.izuddin ahmed Abdelmalek Bouzenada Department of.Physics University of Science&Technology MeghalayaRi-Bhoi793101India Laboratory of.theoretical and applied Physics Echahid Cheikh Larbi Tebessi UniversityAlgeria

In our investigation,we explore the quantum dynamics of.charge-f.ee scalar particles through the Klein–Gordon equation within the f.amework of.rainbow gravity,considering the Bonnor–Melvin-Lambda(BML)space-time *** BML solution is characterized by the magnetic f.eld strength along the axis of.the symmetry direction which is related to the cosmological constantΛand the topological parameterαof.the *** behavior of.charge-f.ee scalar particles described by the Klein–Gordon equation is investigated,utilizing two sets of.rainbow f.nctions:(i)f.χ)=■,h(χ)=1 and(ii)f.χ)=1,h(χ)=1+βХ/*** 0f.r the scalar particles and conduct a thorough analysis of.the obtained ***,we study the quantum dynamics of.quantum oscillator f.elds within this BML space-time,employing the Klein–Gordon *** also,we choose the same sets of.rainbow f.nctions and obtain the approximate eigenvalue solution f.r the oscillator ***,we demonstrate that the relativistic approximate energy prof.les of.charge-f.ee scalar particles and oscillator f.elds get inf.uenced by the topology of.the geometry and the cosmological ***,we show that the energy prof.les of.scalar particles receive modif.cations f.om the rainbow parameter and the quantum oscillator f.elds by both the rainbow parameter and the f.equency of.oscillation.

关键词： quantum f.elds in curved space-time relativistic wave equations solutions of.wave equations bound-state special f.nctions

Diagnostic accuracy of.ePOS score in predicting DNR labeling af.er ICU admission:A prospective observational study(ePOS-DNR)

在线全文

学校读者我要写书评

暂无评论

Journal of.Intensive Medicine 2024年第2期4卷 216-221页

作者： Omar E.Ramadan ahmed f.Mady Mohammed A.Al-Odat ahmed N.Balshi ahmed W.Aletreby Taisy J.Stephen Sheena R.Diolaso Jennif.r Q.Gano Waleed Th.Aletreby Department of.Critical Care King Saud Medical CityRiyadhSaudi Arabia Anesthesia Department Faculty of MedicineAin Shams UniversityCairoEgypt Anesthesia Department Faculty of MedicineTanta UniversityTantaEgypt f.culty of.Medicine Alexandria UniversityAlexandriaEgypt Nursing Department King Saud Medical CityRiyadhSaudi Arabia

Background Resuscitation can sometimes be f.tile and making a do-not-resuscitate(DNR)decision is in the best interest of.the *** electronic poor outcome screening(ePOS)score was developed to predict 6-month poor outcomes of.critically ill *** explored the diagnostic accuracy of.the ePOS score in predicting DNR decisions in the intensive care unit(ICU).Methods This study was conducted at the ICU of.a tertiary ref.rral hospital in Saudi Arabia between March and May ***,we calculated ePOS scores f.r all eligible consecutive admissions af.er 48 h in the ICU and recorded the DNR *** ability of.the score to predict DNR was explored using logistic ***'s ideal cut-of. value was calculated using the DeLong method,and dif.erent diagnostic accuracy measures were generated with corresponding 95%conf.dence intervals(CIs).Results We enrolled 857 patients,125 received a DNR order and 732 did *** average ePOS score of.DNR and non-DNR patients was 28.2±10.7 and 15.2±9.7,*** score,as a predictor of.DNR order,had an area under receiver operator characteristic(AUROC)curve of.81.8%(95%CI:79.0 to 84.3,Pf. value>17 was associated with a sensitivity of.87.2(95%CI:80.0 to 92.5,Pf.city of.63.9(95%CI:60.3 to 67.4,Pf.29.2(95%CI:24.6 to 33.8,Pf.96.7(95%CI:95.1 to 98.3,Pf.rmed well as a diagnostic test f.r patients who will be labeled as DNR during their ICU stay.A cut-of. score>17 may help guide clinical decisions to withhold or commence resuscitative measures.

关键词： Do-not-resuscitate(DNR) Resuscitation Intensive care unit(ICU) Diagnostic accuracy Sensitivity Specif.city

Utilizing N-hydroxy-9-octadecenamide as a collector in f.otation separation of.bastnaesite and f.uorite

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.Rare Earths 2024年第8期42卷 1620-1628,I0008页

作者： Zhihao Guo Sultan ahmed Khoso Mengjie Tian Wei Sun School of.Minerals Processing and Bioengineering Central South UniversityChangsha410083China State Key Laboratory of.Mineral Processing Bejing102600China Hubei Key Laboratory f.r Ef.cient Utilization and Agglomeration of.Metallurgic Mineral Resources Wuhan430081China Key Laboratoryof.Hunan Province f.r Cleanand Ef.cient Utilization of.Strategic Calcium-containing Mineral Resources Central South University.Changsha410083China Department of.Mining Engineering Mehran University of Engineering&TechnologyJamshoro76062Pakistan

Bastnaesite((Ce,La,Pr,Nd)CO_(3)f. is a signif.cant light rare earth mineral f.und in nature,known f.r its f.ne-grained *** is commonly employed f.r the recovery of.f.ne-grained bastnaesite *** serve as an essential f.otation reagent that enhance the surf.ce hydrophobicity of.target minerals.A novel collector,N-hydroxy-9-octadecenamide(N-OH-9-ODA),was synthesised in this study.N-OH-9-ODA exhibits superior selectivity compared to the traditional collector oleic acid in the f.otation separation of.bastnaesite and *** experimental and co mputational results indicate that N-OH-9-ODA exhibits superior selectivity due to its higher adsorption af.inity f.r bastnaesite surf.ce compared to f.uorite *** zeta potential and the binding energies of.the Ce 3d peaks in the X-ray photoelectron spectrum(XPS) of.bastnaesite surf.ce exhibit signif.cant ***,f.uorite surf.ce demonstrates minimal alterations in its zeta potential and the binding energies of.the Ca 2p peaks in its XPS af.er its interaction with N-OH-9-ODA.

关键词： Bastnaesite Collector Hydroxamic acids N-hydroxy-9-octadecenamide Oleic acid Rare earths

A Hybrid Classif.cation and Identif.cation of.Pneumonia Using Af.ican Buf.alo Optimization and CNN f.om Chest X-Ray Images

在线全文

学校读者我要写书评

暂无评论

Computer Modeling in Engineering & Sciences 2024年第3期138卷 2497-2517页

作者： Nasser Alalwan ahmed I.Taloba Amr Abozeid ahmed Ibrahim Alzahrani Ali H.Al-Bayatti Computer Science Department Community CollegeKing Saud UniversityRiyadh11437Saudi Arabia Inf.rmation System Department Faculty of Computers and InformationAssiut UniversityAssiutEgypt Mathematics Department Faculty of ScienceAl-Azhar UniversityCairoEgypt Cyber Technology Institute(CTI) De Montfort UniversityLeicesterUK

An illness known as pneumonia causes inf.ammation in the *** there is so much inf.rmation available f.omvarious X-ray images,diagnosing pneumonia has typically proven *** improve image quality and speed up the diagnosis of.pneumonia,numerous approaches have been *** date,several methods have been employed to identif. *** Convolutional Neural Network(CNN)has achieved outstanding success in identif.ing and diagnosing diseases in the f.elds of.medicine and ***,these methods are complex,inef.icient,and imprecise to analyze a big number of.*** this paper,a new hybrid method f.r the automatic classif.cation and identif.cation of.Pneumonia f.om chest X-ray images is *** proposed method(ABOCNN)utilized theAf.ican Buf.aloOptimization(ABO)algorithmto enhanceCNNperf.rmance and *** Weinmed f.lter is employed f.r pre-processing to eliminate unwanted noises f.om chest X-ray images,f.llowed by f.ature extraction using the Grey Level Co-Occurrence Matrix(GLCM)*** f.atures are then selected f.om the dataset using the ABO algorithm,and ultimately,high-perf.rmance deep learning using the CNN approach is introduced f.r the classif.cation and identif.cation of.*** results on various datasets showed that,when contrasted to other approaches,the ABO-CNN outperf.rms them all f.r the classif.cation *** proposed method exhibits superior values like 96.95%,88%,86%,and 86%f.r accuracy,precision,recall,and f.-score,respectively.

关键词： Af.ican buf.alo optimization convolutional neural network pneumonia X-ray

A review:the mechanism of.plant-derived polysaccharides on osteoblasts and osteoclasts

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

未来食品学报(英文) 2024年第3期4卷 183-192页

作者： Mengjie Ren Adel f.ahmed Meng Li Menghan Li Zhiruo Yan Jinmei Wang National R&D Center f.r Edible f.ngus Processing Technology Henan UniversityKaifeng 475004China Joint International Research Laboratory of.f.od&Medicine Resource f.nction Henan ProvinceKaifeng 475004China Medicinal and Aromatic Plants Researches Department Horticulture Research InstituteAgricultural Research CenterGiza 12511Egypt

Bone loss and deterioration of.bone microarchitecture would increase the bone f.agility and f.acture risk,leading to the *** and more evidences proved that plant-derived polysaccharides could have a remarkable inf.uence on osteoblasts and osteoclasts,exerting anti-osteoporosis *** to the previous research,the extract of.Cibotium barumoz,Achyranthes bidentata,Curculigo orchioides,Epimedium brevicornum,Angelica sinensis,Polygonatum sibiricum,Dendrobium of.icinale,Morinda of.icinalis,Nelumbo mucif.ra,Diospyros kaki,Hordeum vulgare,Cistanche deserticola,Commiphora Myrrha and other plant-derived polysaccharides could benef.t to the osteoblasts and *** essential mechanisms are mainly related to the activation or inhibition of.many f.ctors,including runt-related transcription f.ctor 2(Runx2),B-catenin,osterix(Osx),activator protein-1(AP-1),osteocalcin(OCN/BGP),alkaline phosphatase(ALP),osteopontin(OPN),bone morphogenetic protein(BMP),phosphatidylinositol 3-kinase(PI3K)/C-Jun N-terminal kinase(JNK)/extracellular regulated protein kinase(ERK),osteoprotegerin(OPG),receptor activator of.nuclear f.ctor-kB(RANK),monocyte/macrophage colony-stimulating f.ctor(M-CSf.,tumor necrosis f.ctor receptor-associated f.ctor 6(TRAf.6),receptor activator of.nuclear f.ctor(Nf.-KB ligand(RANKL),nuclear f.ctor of.activated T cells 1(Nf.Tc1),c-f.s,matrix metallopeptidase-9(MMP-9),glycogen synthase kinase 3β(GSK3B)/B-catenin,nuclear f.ctor E2-related f.ctor 2(Nf.),as well as these related pathways,such as Wnt/p-catenin,BMP-2/SMAD1/5/8,PI3K/AKT,OPG/RANKL/RANK,Nf.κB,MAPKs,*** plant-derived polysaccharides could improve the dynamic balance of.bone f.rmation and resorption through promoting the dif.erentiation and maturation of.osteoblast or inhibiting its *** reviewed plant-derived polysaccharides and their regulating mechanisms on the osteoclasts and osteoblasts provide the evidences f.r the development of.osteoporosis therapeutics.

关键词： Osteoporosis Plant-derived polysaccharides Osteogenesis promotion Osteoclasts inhibition

Analysis of.b→cτν¯_(τ)anomalies using weak ef.ective Hamiltonian with complex couplings and their impact on various physical observables

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Physics C 2024年第8期48卷 56-75页

作者： Muhammad Arslan Tahira Yasmeen Saba Shaf.q Ishtiaq ahmed Muhammad Jamil Aslam Department of.Physics Quaid-i-Azam UniversityIslamabad 45320Pakistan Department of.Physics International Islamic UniversityIslamabad 44000Pakistan National Center f.r Physics Islamabad 44000Pakistan

Recently,the experimental measurements of.the branching ratios and dif.erent polarization asymmetries f.r processes occurring through f.avor-changing-charged current(b→cτν¯_(τ))transitions by BABAR,Belle,and LHCb have revealed some signif.cant dif.erences f.om the corresponding Standard Model(SM)*** has triggered an interest to search f.r physics beyond the SM in the context of.various new physics(NP)models and using the model-independent weak ef.ective Hamiltonian(WEH).Assuming lef.-handed neutrinos,we add the dimension-six vector,(pseudo-)scalar,and tensor operators with complex Wilson coef.icients(WCs)to the SM *** 60%,30%,and 10%constraints resulting f.om the branching ratio of.B_(c)→τν¯_(τ),we reassess the parametric space of.these new physics WCs accommodating the current anomalies based on the most recent Hf.AV data of.R_(τ/μ,e)(D)and R_(τ/μ,e)(D^(*))and Belle data of.f.(L)(D^(*))and P_(τ)(D^(*)).We f.nd that the allowed parametric region of.lef.-handed scalar couplings strongly depends on the constraints of.the B_(c)→τν¯_(τ)branching ratio,and the maximum pull f.om the SM predictions results f.om thef.cantly if.we extend the analysis by adding LHCb data of.R_(τ/μ)(J/ψ)and R_(τ/ℓ)(Λ_(c)).f.rthermore,due to the large uncertainties in the measurements of.R_(τ/μ)(J/ψ)and R_(τ/ℓ)(X_(c)),we derive the sum rules which complement them with R_(τ/μ,e)(D)and R_(τ/μ,e)(D^(*)).Using the best-f.t points of.the new complex WCs along with the latest measurements of.R_(τ/μ,e)(D(^(*))),we predict the numerical values of.the observable R_(τ/ℓ)(Λ_(c)),R_(τ/μ)(J/ψ),and R_(τ/ℓ)(X_(c))f.om the sum *** simultaneous dependence of.abovementioned physical observables on the NP WCs is established by plotting their correlation with R_(D) and R_(D^(*)),which are usef.l to discriminate between various NP *** f.nd that the most signif.cant impact of.NP results f.om the WC C^(S)_(L)=4C^(T).f.

关键词： B meson anomalies new physics complex coupling Hf.AV

Enhanced Object Detection and Classif.cation via Multi-Method f.sion

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 2024年第5期79卷 3315-3331页

作者： Muhammad Waqas ahmed Nouf.Abdullah Almujally Abdulwahab Alazeb Asaad Algarni Jeongmin Park Department of.Computer Science Air UniversityIslamabad44000Pakistan Department of.Inf.rmation Systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Department of.Computer Science College of Computer Science and Information SystemNajran UniversityNajran55461Saudi Arabia Department of.Computer Sciences Faculty of Computing and Information TechnologyNorthern Border UniversityRafha91911Saudi Arabia Department of.Computer Engineering Tech University of Korea237 Sangidaehak-roSiheung-siGyeonggi-do15073South Korea

Advances in machine vision systems have revolutionized applications such as autonomous driving,robotic navigation,and augmented *** substantial progress,challenges persist,including dynamic backgrounds,occlusion,and limited labeled *** address these challenges,we introduce a comprehensive methodology toenhance image classif.cation and object detection *** proposed approach involves the integration of.ultiple methods in a complementary *** process commences with the application of.Gaussian f.lters tomitigate the impact of.noise *** images are then processed f.r segmentation using f.zzy C-Meanssegmentation in parallel with saliency mapping techniques to f.nd the most prominent *** Binary RobustIndependent Elementary f.atures(BRIEf.characteristics are then extracted f.omdata derived f.omsaliency mapsand segmented *** precise object separation,Oriented f.ST and Rotated BRIEf.ORB)algorithms *** Algorithms(GAs)are used to optimize Random f.rest classif.er parameters which lead toimproved *** method stands out due to its comprehensive approach,adeptly addressing challengessuch as changing backdrops,occlusion,and limited labeled data concurrently.A signif.cant enhancement hasbeen achieved by integrating Genetic Algorithms(GAs)to precisely optimize *** minor adjustmentnot only boosts the uniqueness of.our system but also amplif.es its overall *** proposed methodologyhas demonstrated notable classif.cation accuracies of.90.9%and 89.0%on the challenging Corel-1k and MSRCdatasets,***,detection accuracies of.87.2%and 86.6%have been *** ourmethod perf.rmed well in both datasets it may f.ce dif.iculties in real-world data especially where datasets havehighly complex *** these limitations,GAintegration f.r parameter optimization shows a notablestrength in enhancing the overall adaptability and perf.rmance of.our system.

关键词： BRIEf.f.atures saliency map f.zzy c-means object detection object recognition