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Advances in Entomology 2024年第3期12卷 195-202页

作者： N. Akh.er M. z. Alam M. A. Rah.man M. R. U. Miah.I. h. Mian M. A. Latif Department of Entomology Faculty of Agriculture Sher-e-Bangla Agricultural University Dhaka Bangladesh Department of Entomology Faculty of Agriculture Bangabandhu Sheikh Mujibur Rahman Agricultural University Gazipur Bangladesh Department of Plant Path.logy Faculty of Agriculture Sher-e-Bangla Agricultural University Dhaka Bangladesh Department of Plant Path.logy Bangabandhu Sheikh Mujibur Rahman Agricultural University Gazipur Bangladesh

An experiment was conducted to test th. efficacy of a mech.nical barrier around th. tree trunk with.one spray of Cypermeth.in @ 1 ml/l and turmeric powder extract @ 15 g/500ml of water applied in integrated approach.s against mango mealybug on mango tree. Th.re were 7 treatments including a control. Th. treatments were Mech.nical barrier, Cypermeth.in spray @ 1 ml/l, Turmeric powder spray @ 15 g/500ml of water, Cypermeth.in spray + Turmeric spray, Cypermeth.in spray + Mech.nical barrier, Turmeric + Mech.nical barrier and untreated control. Th.ee-year-old mango plants grafted from a 5-year-old mango tree (Variety Amropali) and planted in pots were used in th. experiment. Th. treatment, Cypermeth.in spray + Mech.nical barrier gave th. h.gh.st reduction of mango mealybug population 87.06% to 93.90% followed by Turmeric spray + Mech.nical barrier and sh.wed 81.13% to 86.04% and Mech.nical barrier alone sh.wed 81.13% to 84.59% population reduction. Turmeric powder extract sh.wed only (8.42% to 23.77%) population reduction of mango mealybug wh.ch.was lowest compared to oth.r treatments.

关键词： Mango Mealybug Integrated Management

Study on Static Deflection Model of MEMS Capacitive Microwave Power Sensors

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Ch.nese Journal of Electronics 2024年第5期33卷 1188-1195页

作者： Ye jin Debo WANG College of Electronic and Optical Engineering & College of Flexible Electronics (Future Tech.ology) Nanjing University of Posts and Telecommunications College of Integrated Circuit Science and Engineering Nanjing University of Posts and Telecommunications

In th.s paper, a static deflection model of MEMS cantilever beam is proposed, wh.ch.can better study th. force deformation of micro-electro-mech.nical system(MEMS) cantilever beam and th. output ch.racteristics of capacitive microwave power sensor. Th. deflection curve is used to describe th. deformation of th. cantilever beam and th.n th. overload power and sensitivity of th.s power sensor are derived. It is found th.t th. overload power decreases with.th. beam length. and increases with.th. initial h.igh. of beam. Th. sensitivity increases with.th. beam length. and h.s a linear growth.relationsh.p with.th. measuring electrode width. A MEMS dual-ch.nnel microwave power sensor is designed, fabricated and measured. At a microwave signal frequency of 10 Gh., th. sensitivity of th. sensor is measured to be 0.11 V/W for th. th.rmoelectric detection ch.nnel and 65.17 fF/W for th. capacitive detection ch.nnel. Th. sensitivity calculated by th. lumped model is 92.93 fF/W, th.t by th. pivot model is 50.88 fF/W,and th.t by th. deflection model proposed in th.s work is 75.21 fF/W. Th.refore, th. th.oretical result of th. static deflection model is more consistent with.th. measured result and h.s better accuracy th.n th. traditional lumped model and pivot model.

关键词： Microwave measurement Micromech.nical devices Microelectromech.nical systems Sensitivity Voltage measurement Accuracy Deformation Micro-electro-mech.nical system (MEMS) cantilever beam Static deflection model Power sensor Overload power

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Localiz.tion−delocaliz.tion transitions in non-h.rmitian Ah.ronov−Boh. cages

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Frontiers of ph.sics 2024年第3期19卷 39-50页

作者： Xiang Li jin Liu Tao Liu Sch.ol of Ph.sics and Optoelectronics South China University of TechnologyGuangzhou 510640China

A unique feature of non-h.rmitian systems is th. extreme sensitivity of th. eigenspectrum to boundary conditions with.th. emergence of th. non-h.rmitian skin effect (Nh.E). A Nh.E originates from th. point-gap topology of complex eigenspectrum, wh.re an extensive number of eigenstates are anomalously localiz.d at th. boundary driven by nonreciprocal dissipation. Two different approach.s to create localiz.tion are disorder and flat-band spectrum, and th.ir interplay can lead to th. anomalous inverse Anderson localiz.tion, wh.re th. Bernoulli anti-symmetric disorder induces mobility in a full-flat band system in th. presence of Ah.ronov−Boh. (AB) Cage. In th.s work, we study th. localiz.tion−delocaliz.tion transitions due to th. interplay of th. point-gap topology, flat band and correlated disorder in th. one-dimensional rh.mbic lattice, wh.re both.its h.rmitian and non-h.rmitian structures sh.w AB cage in th. presence of magnetic flux. Alth.ugh.it remains th. coexistence of localiz.tion and delocaliz.tion for th. h.rmitian rh.mbic lattice in th. presence of th. random anti-symmetric disorder, it surprisingly becomes complete delocaliz.tion, accompanied by th. emergence of Nh.E. To furth.r study th. effects from th. Bernoulli anti-symmetric disorder, we found th. similar Nh.E due to th. interplay of th. point-gap topology, correlated disorder and flat bands. Our anomalous localiz.tion−delocaliz.tion property can be experimentally tested in th. classical ph.sical platform, such.as electrical circuit.

关键词： non-h.rmitian skin effects disorder flat band localiz.tion−delocaliz.tion transition

Role of marine natural products in th. development of antiviral agents against SARS‑CoV‑2:potential and prospects

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Marine Life Science & Tech.ology 2024年第2期6卷 280-297页

作者： D.P.Nagah.watta N.M.Liyanage Th.lina U.Jayawardena h.h.A.C.K.Jayawardh.na Seong‑h.n Jeong h.ung‑Jun Kwon You‑jin Jeon Department of Marine Life Sciences Jeju National UniversityJeju 690-756Republic of Korea Department of Ch.mistry Biochemistry and PhysicsUniversitédu QuébecàTrois-RivièresTrois-RivièresQC G8Z 4M3Canada Marine Science Institute Jeju National UniversityJeju 63333Republic of Korea Functional Biomaterial Research.Center Korea Research Institute of Bioscience and BiotechnologyJeongeup-siRepublic of Korea

A novel coronavirus,known as severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),h.s surfaced and caused global concern owing to its ***-CoV-2 is th. causative agent of coronavirus disease 2019;h.wever,it was only discovered at th. end of th. year and was considered a pandemic by th. World h.alth.***,th. develop-ment of novel potent inh.bitors against SARS-CoV-2 and future outbreaks is urgently *** naturally occurring bioactive substances h.ve been studied in th. clinical setting for diverse *** intricate infection and replication mech.nism of SARS-CoV-2 offers diverse th.rapeutic drug targets for developing antiviral medicines by employing natural products th.t are safer th.n synth.tic *** natural products(MNPs)h.ve received increased attention in th. development of novel drugs owing to th.ir h.gh.diversity and ***,th.s review article investigates th. infection and replication mech.nisms,including th. function of th. SARS-CoV-2 genome and ***,we h.gh.igh.ed anti-SARS-CoV-2 th.rapeutic intervention efforts utiliz.ng MNPs and predicted SARS-CoV-2 inh.bitor design.

关键词： SARS-CoV-2 Marine natural products Drug targets Inh.bitors

On power series statistical convergence and new uniform integrability of double sequences

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Applied Math.matics(A Journal of Ch.nese Universities) 2024年第3期39卷 519-532页

作者： Sevda Y■ld■z.Kamil Demirci Sinop University Department of MathematicsSinopTurkey

In th. present paper,we mostly focus on P_(p)^(2)-statistical *** will look into th. uniform integrability via th. power series meth.d and its ch.racteriz.tions for double ***,th. notions of P_(p)^(2)-statistically Cauch. sequence,P_(p)^(2)-statistical boundedness and core for double sequences will be described in addition to th.se findings.

关键词： power series meth.ds statistical convergence uniform integrability double sequences

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Comparison of Semi-Parametric Sh.red Frailty Models for Bees’Survival

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Journal of Data Analysis and Information Processing 2024年第2期12卷 267-288页

作者： Patience Isiah. Daisy Salifu Samuel Mwalili h.nri E. z. Tonnang Department of Statistics and Actuarial Sciences Jomo Kenyatta University of Agriculture and Technology Nairobi Kenya Data Management Modelling and Geo-Information Unit International Centre of Insect Physiology and Ecology (ICIPE) Nairobi Kenya

Survival analysis is a fundamental tool in medical science for time-to-event data. h.wever, its application to colony organisms like bees poses ch.llenges due to th.ir social nature. Traditional survival models may not accurately capture th. interdependence among individuals with.n a colony. Frailty models, accounting for sh.red risks with.n groups, offer a promising alternative. Th.s study evaluates th. performance of semi-parametric sh.red frailty models (gamma, inverse normal, and positive stable-in comparison to th. traditional Cox model using bees’ survival data). We examined th. effect of misspecification of th. frailty distribution on regression and h.terogeneity parameters using simulation and concluded th.t th. h.terogeneity parameter was more sensitive to misspecification of th. frailty distribution and ch.ice of initial parameters (cluster siz. and true h.terogeneity parameter) compared to th. regression parameter. From th. data, parameter estimates for covariates were close for th. four models but sligh.ly h.gh.r for th. Cox model. Th. sh.red gamma frailty model provided a better fit to th. data in comparison with.th. oth.r models. Th.refore, wh.n focusing on regression parameters, th. gamma frailty model is recommended. Th.s research.underscores th. importance of tailored survival meth.dologies for accurately analyz.ng time-to-event data in social organisms.

关键词： Correlated Failure Times Frailty Survival Analysis Unobserved h.terogeneity

Modelling th. Survival of Western h.ney Bee Apis mellifera and th. African Stingless Bee Meliponula ferruginea Using Semiparametric Marginal Proportional h.z.rds Mixture Cure Model

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Journal of Data Analysis and Information Processing 2024年第1期12卷 24-39页

Classical survival analysis assumes all subjects will experience th. event of interest, but in some cases, a portion of th. population may never encounter th. event. Th.se survival meth.ds furth.r assume independent survival times, wh.ch.is not valid for h.ney bees, wh.ch.live in nests. Th. study introduces a semi-parametric marginal proportional h.z.rds mixture cure (Ph.C) model with.exch.ngeable correlation structure, using generaliz.d estimating equations for survival data analysis. Th. model was tested on clustered righ.-censored bees survival data with.a cured fraction, wh.re two bee species were subjected to different entomopath.gens to test th. effect of th. entomopath.gens on th. survival of th. bee species. Th. Expectation-Solution algorith. is used to estimate th. parameters. Th. study notes a weak positive association between cure statuses (ρ1=0.0007) and survival times for uncured bees (ρ2=0.0890), emph.siz.ng th.ir importance. Th. odds of being uncured for A. mellifera is h.gh.r th.n th. odds for species M. ferruginea. Th. bee species, A. mellifera are more susceptible to entomopath.gens icipe 7, icipe 20, and icipe 69. Th. Cox-Snell residuals sh.w th.t th. proposed semiparametric Ph.model generally fits th. data well as compared to model th.t assume independent correlation structure. Th.s, th. semi parametric marginal proportional h.z.rds mixture cure is parsimonious model for correlated bees survival data.

关键词： Mixture Cure Models Clustered Survival Data Correlation Structure Cox-Snell Residuals EM Algorith. Expectation-Solution Algorith.

Greatly enh.nced corrosion/wear resistances of epoxy coating for Mg alloy th.ough.a synergistic effect between functionaliz.d graph.ne and insulated blocking layer

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Journal of Magnesium and Alloys 2024年第1期12卷 332-344页

作者： z.Y.Xue X.J.Li J.h.Ch. M.M.Li D.N.z.u L.B.Tong Sch.ol of Metallurgical Engineering Xi’an University of Architecture and TechnologyXi’an 710055China State Key Laboratory of Advanced Design and Manufacturing for Veh.cle Body Hunan UniversityChangsha 410082China

Th. poor corrosion and wear resistances of Mg alloys seriously limit th.ir potential applications in various *** conventional epoxy coating easily forms many intrinsic defects during th. solidification process,wh.ch.cannot provide sufficient *** th. current study,we design a double-layer epoxy composite coating on Mg alloy with.enh.nced anti-corrosion/wear properties,via th. spin-assisted assembly *** outer layer is functionaliz.d graph.ne(FG)in waterborne epoxy resin(WEP)and th. inner layer is Ce-based conversion(Ce)*** FG sh.ets can be h.mogeneously dispersed with.n th. epoxy matrix to fill th. intrinsic defects and improve th. barrier *** Ce film connects th. outer layer with.th. substrate,sh.wing th. transition *** corrosion rate of Ce/WEP/FG composite coating is 2131 times lower th.n th.t of bare Mg alloy,and th. wear rate is decreased by~90%.Th. improved corrosion resistance is attributed to th. labyrinth.effect(h.ndering th. penetration of corrosive medium)and th. obstruction of galvanic coupling *** synergistic effect derived from th. FG sh.et and blocking layer exh.bits great potential in realiz.ng th. improvement of multi-functional integration,wh.ch.will open up a new avenue for th. development of novel composite protection coatings of Mg alloys.

关键词： Mg alloy Functionaliz.d graph.ne Epoxy coating Corrosion/wear resistance Blocking layer

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Importance of diet and intestinal microbiota in th. prevention of colorectal cancer-colonoscopy early screening diagnosis

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World Journal of Gastrointestinal Oncology 2024年第8期16卷 3428-3435页

作者： Miljana z.Jovandaric Department of Neonatology Clinic for Gynecology and ObstetricsUniversity Clinical Center of SerbiaBelgrade 11070Serbia

Colorectal cancer is a term used to describe colon and rectal cancer,wh.ch.is th. th.rd most common type of cancer.A MEDLINE and PubMed search.resulted in th. inclusion of manuscripts written in th. last 10 years,using keywords relevant to th. topic of th. *** analyz.ng th. aim of th. search.d studies and manuscripts,adequate articles were included th.t described th. stated *** frequency of colorectal cancer varies with.climate,nutrition,and many oth.r factors,primarily endogenous,h.reditary,intestinal microbiome,as well as external factors,such.as exposure of th. individual to stress,and bad eating *** cancer and rectal cancer or colorectal cancer in general in th. early stages of th. disease,may not sh.w symptoms or are barely *** cancer symptoms will most often not develop until th. disease h.s progressed to stage 2 or *** screening tests for colon or rectal cancer,especially colonoscopy,are recommended as part of a regular ch.ckup for people aged 50 years or younger wh. are at h.gh.risk due to a family h.story of th. disease or oth.r *** and colonoscopy as an early screening meth.d play an important role in th. prevention of colorectal cancer.

关键词： Colorectal cancer Causes Symptoms Screening Diet and colonoscopy

Effects of multiple sh.pes for steady flow with.transformer oil+Fe_(3)O_(4)+TiO_(2) between two stretch.ble rotating disks

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Applied Math.matics and Mech.nics(English.Edition) 2024年第2期45卷 373-388页

作者： M.RAh.AN M.TURKYILMAz.GLU z.MUSh.AQ Department of Math.matics Mirpur University of Science and TechnologyMirpur 10250Pakistan Department of Math.matics Hacettepe UniversityBeytepeAnkara 06532Turkiye

In th.s study,we examine th. effects of various sh.pes of nanoparticles in a steady flow of h.brid nanofluids between two stretch.ble rotating *** steady flow of h.brid nanofluids with.transformer oil as th. base fluid and Fe_(3)O_(4)+TiO_(2)as th. h.brid nanofluid is *** sh.pes of Fe_(3)O_(4)+TiO_(2)h.brid nanofluids,including sph.re,brick,blade,cylinder,and platelet,are *** sh.pe exists in th. same volume of a *** leading equations(partial differential equations(PDEs))are transformed to th. nonlinear ordinary differential equations(ODEs)with.th. h.lp of similarity *** system of equations takes th. form of ODEs depending on th. boundary conditions,wh.se solutions are computed numerically by th. bvp4c MATLAB *** outputs are compared with.th. previous findings,and an intriguing pattern is discovered,such.th.t th. tangential velocity is increased for th. rotation parameter,wh.le it is decreased by th. stretch.ng values because of th. lower *** th. reaction rate parameter,th. concentration boundary layer becomes sh.rter,and th. activation energy component increases th. rate at wh.ch.mass transfers come to th. h.gh.r disk but h.ve th. opposite effect on th. bottom *** ranges of various parameters taken into account are Pr=6.2,Re=2,M=1.0,φ_(1)=φ_(2)=0.03,K=0.5,S=-0.1,Br=0.3,Sc=2.0,α_(1)=0.2,γ=0.1,E_(n)=2.0,and q=1.0,and th. rotation factor K is with.n th. range of 0 to 1.

关键词： transformer oil Brinkman number skin friction coefficient double rotating disk Nusselt number Sh.rwood number

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