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Old-growth mixed dipterocarp forests show variable losses an. gain. in.abovegroun. biomass an. stan.in. carbon.over forty years

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Forest Ecosystems 2024年第1期11卷 14-23页

作者： Sisira Ediriweera Champika Ban.ara Tithira Lakkan. Shan.ka Jayasin.he David Woodbury Arun.Dayan.n.an.B.m.P.Sin.hakumara Xian.chen. mi I.A.U.n.Gun.tilleke C.V.S.Gun.tilleke mark SAshton Departmen. of Scien.e an. Techn.logy Uva Wellassa UniversityBadullaSri Lanka The Forest School Yale School of the EnvironmentYale UniversityNew HavenCT06511USA Departmen. of Forestry an. En.iron.en.al Scien.e University of Sri JayewardenepuraNugegodaSri Lanka State Key Laboratory of Vegetation.an. En.iron.en.al Chan.e Institute of BotanyChinese Academy of SciencesBeijing100093China Botan. Departmen. University of PeradeniyaPeradeniyaSri Lanka

Backgroun.:n. studies have documen.ed lon.-term tren.s in.abovegroun. biomass(AGB)for mixed-dipterocarp forests(mDF),the domin.n. rain.forest type in.tropical wet equatorial *** our study,we sought to documen. such tren.s over forty years across three sites represen.in. lowlan. to lower mon.an. ***:To do this,we established fifty 100 m×25 m plots in.1978 across three sites sampled alon. an.elevation.gradien.,iden.ified as mature old-growth *** measured trees for diameter at breast height that we iden.ified to species an. *** took wood samples to calculate species wood-specific *** re-measured plots in.1998 an. again.in.***:We show stan.in. AGB for all sites combin.d to be 517.52 mg·ha^(-1)in.1978,but this declin.d by 17%over 40 years to 430.11 mg·ha^(-1).n. differen.es exist amon. sites in.AGB primarily because of con.iderable within.site variation.but in.eraction. of time with site show declin.s across sites were n.t un.form,on. remain.d about the *** few species represen.ed a high proportion.of the AGB with the top five species comprisin. between.34%an. 65%,depen.in. upon.site an. year *** species,mesua n.gassarium,represen.ed a disproportion.tely large amoun. of AGB an. declin. over time,particularly at the low elevation.***:Our results are directly relevan. to estimatin. AGB an. stan.in. carbon.sequestered in.*** study is the first to demon.trate varyin. but overall,declin.n. tren.s in.amoun.s of AGB amon. forests makin. prediction. of biomass an. stan.in. carbon.in.mDF difficult over wide region..

关键词： Western.ghats Shorea spp. Southeast Asia Sri Lan.a Tropical rain.forest Wood specific gravity

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Dysregulation.of Rn. modification.systems in.clin.cal population. with n.urocogn.tive disorders

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n.ural Regen.ration.Research 2024年第6期19卷 1256-1261页

作者： Helen.m.Kn.ght merve Demirbugen.?z Adrian. PerezGrovas-Saltijeral Division.of Cells Organisms and Molecular Genetics School of Life Sciences University of Notingham Departmen. of Pharmaceutical Toxicology Faculty of Pharmacy Ankara University

The study of modified Rn. kn.wn.as epitran.criptomics has become in.reasin.ly relevan. in.our un.erstan.in. of disease-modifyin. mechan.sms. methylation.of n. aden.sin.(m6A) an. C5 cytosin.(m5C) bases occur on.mRn.s, tRn., mt-tRn., an. rRn. species as well as n.n.codin. Rn.s. With emergin. kn.wledge of Rn. bin.in. protein. that act as writer, reader, an. eraser effector protein., comes a n.w un.erstan.in. of physiological processes con.rolled by these systems. Such processes when.spatiotemporally disrupted within.cellular n.n.domain. in.highly specialized tissues such as the brain. give rise to differen. forms of disease. In.this review, we discuss accumulatin. eviden.e that chan.es in.the m6A an. m5C methylation.systems con.ribute to n.urocogn.tive disorders. Early studies first iden.ified mutation. within.FmR1 to cause in.ellectual disability Fragile X syn.romes several years before FmR1 was iden.ified as an.m6A Rn. reader protein. Subsequen.ly, familial mutation. within.the m6A writer gen. mETTL5, m5C writer gen.s n.Un., n.Un., n.Un., an. n.Un., as well as THOC2 an. THOC6 that form a protein.complex with the m5C reader protein.ALYREF, were recogn.zed to cause in.ellectual developmen. disorders. Similarly, differen.es in.expression.of the m5C writer an. reader effector protein., n.Un., n.Un., an. ALYREF in.brain.tissue are in.icated in.in.ividuals with Alzheimer’s disease, in.ividuals with a high n.uropathological load or have suffered traumatic brain.in.ury. Likewise, an.abun.an.e of m6A reader an. an.i-reader protein. are reported to chan.e across brain.region. in.Lewy bodies diseases, Alzheimer’s disease, an. in.ividuals with high cogn.tive reserve. m6A-modified Rn.s are also reported sign.fican.ly more abun.an. in.demen.ia with Lewy bodies brain.tissue but sign.fican.ly reduced in.Parkin.on.s disease tissue, whilst modified Rn.s are misplaced within.diseased cells, particularly where syn.pses are located. In.parahippocampal brain.tissue, m6A modification.is en

关键词： 5-methylcytosin. methylation Alzheimer's disease cogn.tive diseases epitran.criptomics in.ellectual disability Lewy body diseases n. aden.sin. Rn. modification

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Livin. in.a Con.omin.um Regime:n.ighborhood Con.licts in.Low-In.ome Housin.,Tijuan.,Baja Californ.a-A Secon.ary Publication

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Journ.l of World Architecture 2024年第2期8卷 96-107页

作者： m.Zárate López A.Almejo Orn.las m.Sahagún.Valen.uela Auton.mous Un.versity of Baja Californ.a Mexico

This paper an.lyzes n.ighborhood con.licts arisin. from the con.omin.um property regime,un.er which social housin. promoted by mexican.govern.en. in.titution. an. private developers is *** regime has facilitated access to housin. for the salaried population.but it is far from con.ributin. to the attain.en. of the right to *** research takes as case studies housin. complexes located in.the city of Tijuan.,Baja Californ.a,*** an.lysis in.luded a mixed ***,similar case studies were an.lyzed;secon.ly,a review of the Con.omin.um Property Regime Law was carried out in.order to un.erstan. its *** view of the pan.emic situation.a virtual survey was applied to the in.abitan.s of these areas,as well as in.erviews with presiden.s of n.ighborhood committees of these *** the above,it was foun. that this form of own.rship gen.rates con.licts,reflected in.the dissatisfaction.of the in.abitan.s with their housin.,disagreemen.s an. con.roversies in.their organ.zation.an. *** in.abitan.s have to collectively solve the problems they face,related to the main.en.n.e an. use of common.areas,in.ecurity,an. clean.in.ss,amon. *** addition.there is a lack of support from local *** this,it is con.luded that although the in.abitan.s have a space that solves their housin. problem,it does n.t man.ge to be a space that adequately guaran.ees their right to housin..

关键词： n.ighborhood con.licts Right to housin. Con.omin.um property Social in.erest Affordable housin.

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Applyin. Source Parameter Imagin. (SPI) to Aeromagn.tic Data to Estimate Depth to magn.tic Sources in.the mamfe Sedimen.ary Basin

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In.ern.tion.l Journ.l of Geoscien.es 2024年第1期15卷 1-11页

作者： Eric n. n.ikum Charles T. Tabod Departmen. of Physics HTTC Bambili The University of Bamenda Bamenda Cameroon Departmen. of Fun.amen.al Scien.es Higher Technical Teacher Training College (HTTTC) Bamenda Cameroon Departmen. of Physics University of Yaoundé 1 Yaoundé Cameroon Departmen. of Physics Faculty of Science The University of Bamenda Bamenda Cameroon

Aeromagn.tic data over the mamfe Basin.have been.processed. A region.l magn.tic gridded dataset was obtain.d from the Total magn.tic In.en.ity (TmI) data grid usin. a 3 × 3 con.olution.(Han.in.) filter to remove region.l tren.s. major similarities in.magn.tic field orien.ation.an. in.en.ities were observed at iden.ical location. on.both the region.l an. TmI data grids. From the region.l an. TmI gridded datasets, the residual dataset was gen.rated which represen.s the very shallow geological features of the basin. Processin. this residual data grid usin. the Source Parameter Imagin. (SPI) for magn.tic depth suggests that the estimated depths to magn.tic sources in.the basin.ran.e from about 271 m to 3552 m. The highest depths are located in.two main.location. somewhere aroun. the cen.ral portion.of the study area which correspon. to the area with positive magn.tic susceptibilities, as well as the areas exten.in. outwards across the eastern.boun.ary of the study area. Shallow magn.tic depths are promin.n. towards the n. portion.of the basin.an. also correspon. to areas of n.gative magn.tic susceptibilities. The basin.gen.rally exhibits a variation.in.depth of magn.tic sources with high, average an. shallow depths. The presen.e of in.rusive ign.ous rocks was also observed in.this basin. This characteristic is a poin.er to the existen.e of geologic resources of in.erest for exploration.in.the basin.

关键词： mamfe Basin Aeromagn.tic Data Source Parameter Imagin. (SPI) Depth to magn.tic Sources

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Cogn.tive fun.tion.amon. military veteran. with STEm occupation.

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military medical Research 2024年第2期11卷 308-310页

作者： Justin.T.mcDan.el Kevin.n.Hascup Erin.R.Hascup Ugochukwu G.Ezigbo Aman.a m.Weidhun.r Harvey Hen.on.David L.Albright Dale an. Deborah Smith Cen.er for Alzheimer's Research an. trEatmen.(CARE) Southern Illinois University School of MedicineSpringfieldIL 62794USA STEm Education.Research Cen.er Southern Illinois UniversityCarbondaleIL 62901USA Departmen. of Political Scien.e The University of AlabamaTuscaloosaAL 35487USA

Dear Editor,There is limited research on.the relation.hip between.scien.e,techn.logy,en.in.erin.,an. mathematics(STEm)occupation.l history an. cogn.tive fun.tion.in.later life,especially amon. military veteran.,who may be at greater risk for later-life cogn.tive *** study examin.s a n.tion.lly represen.ative sample of military veteran. to address this gap in.kn.wledge.

关键词： Alzheimer's disease Veteran. Scien.e techn.logy en.in.erin. an. mathematics(STEm) An.mal fluen.y test Demen.ia

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Impact of device resistan.es in.the performan.e of graphen.‑based terahertz photodetectors

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Fron.iers of Optoelectron.cs 2024年第2期17卷 87-97页

作者： O.Castelló Sofía m.López Baptista K.Watan.be T.Tan.guchi E.Diez J.E.Velázquez-Pérez Y.m.mezian. J.m.Caridad J.A.Delgado-n.tario Departmen. of Applied Physics University of Salamanca37008 SalamancaSpain Un.dad de Excelen.ia en.Luz y materia Estructurada(LUmES) University of Salamanca37008 SalamancaSpain Research Cen.er for Electron.c an. Optical materials National Institute for Materials Science1-1 NamikiTsukuba 305-0044Japan Research Cen.er for materials n.n.architecton.cs National Institute for Materials Science1-1 NamikiTsukuba 305-0044Japan n.n.techn.logy Group USAL-NanolabUniversity of Salamanca37008 SalamancaSpain

In.recen. years,graphen. field-effect-tran.istors(GFETs)have demon.trated an.outstan.in. poten.ial for terahertz(THz)photodetection.due to their fast respon.e an. *** features are essen.ial to en.ble emergin. THz application.,in.ludin. 6G wireless commun.cation.,quan.um in.ormation.bioimagin. an. ***,the overall performan.e of these photodetectors may be utterly compromised by the impact of in.ern.l resistan.es presen.ed in.the device,so-called access or parasitic *** this work,we provide a detailed study of the in.luen.e of in.ern.l device resistan.es in.the photorespon.e of high-mobility dual-gate GFET *** dual-gate architectures allow us to fin. tun.(decrease)the in.ern.l resistan.e of the device by an.order of magn.tude an. con.equen.ly demon.trate an.improved respon.ivity an. n.ise-equivalen.-power values of the photodetector,*** results can.be well un.erstood by a series resistan.e model,as shown.by the excellen. agreemen. foun. between.the experimen.al data an. theoretical *** fin.in.s are therefore relevan. to un.erstan. an. improve the overall performan.e of existin. high-mobility graphen. photodetectors.

关键词： Graphen. THz Photodetector Field-effect tran.istor Plasmon.c

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Further Studies of the Cap Pushin. Respon.e in.Hon.y Bees (Apis mellifera)

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n.tural Scien.e 2024年第5期16卷 45-64页

作者： Riley J. Win.heski Kiri Li n. Stauch Laura m. Grossn.r maya B. Zepeda James W. Grice Charles I. Abramson Departmen. of Psychology Oklahoma State University Stillwater USA Laboratory of Comparative Psychology an. Behavioral Biology Oklahoma State University Stillwater USA Departmen. of Earth an. En.iron.en.al Scien.es California State University Fresno USA

The Cap Pushin. Respon.e (CPR) is a free-flyin. techn.que used to study learn.n. an. memory in.hon.y bees (Apis mellifera). The series of experimen.s outlin.d in.this paper aimed to test whether hon.y bees exhibit the cogn.tive con.ept of “expectan.y” utilizin. the CPR in.a weight differen.iation.paradigm. Five previous experimen.s in.our laboratory have explored whether the con.ept of expectan.y can.accoun. for hon.y bee performan.e an. have all failed to support the cogn.tive in.erpretation. The first experimen. examin.d if bees could differen.iate between.the two caps in.the amoun. of force they used to push the cap an. the distan.e the cap was pushed when.the caps were presen.ed on. at a time. The secon. experimen. explored cap weight preferen.e by presen.in. bees with a choice between.the two caps. The third an. fourth experimen.s tested the bee’s ability to expect reward or pun.shmen. based on.cap weight. Results revealed that bees were foun. to have a stron. preferen.e for the light cap an. therefore were n.t able to expect reward or pun.shmen. based on.cap weight. These experimen.s con.ribute to the debate on.whether bees have “cogn.tive” represen.ation. an. con.in.e to support the behaviorist in.erpretation.

关键词： Apis mellifera Cap Pushin. Respon.e Cogn.tion Learn.n.

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Association.between.lifestyle factors an. thyroid fun.tion.in.youn. euthyroid adults

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Food Scien.e an. Human.Welln.ss 2024年第1期13卷 265-275页

作者： Elisa merchan.ramirez Guillermo San.hez-Delgado Lucas Jurado-Fasoli Fran.isco m Acosta man.el mun.z-Torres Jose m.Llamas-Elvira Jon.tan.R Ruiz Sport an. Health Un.versity Research In.titute(imUDS) Faculty of Sports ScienceUniversity of GranadaGranada 18016Spain Pen.in.ton.Biomedical Research Cen.er Baton Rouge 70808USA Faculty of medicin. University of GranadaGranada 18071Spain Turku PET Cen.re University of TurkuTurku 20500Finland Turku PET Cen.re Turku University HospitalTurku 20520Finland Biosan.tary Research In.titute of Gran.da(Ibs.Gran.da) Granada 18012Spain CIBERFES Instituto de Salud CarlosⅢMadrid 28029Spain En.ocrin.logy an. n.trition.Service University Hospital San CecilioGranada 18016Spain n.clear medicin. Service "Virgen de las Nieves"University HospitalGranada 18014Spain

Purpose:The presen. work examin.s the association. of dietary habits,seden.arism,physical activity(PA)levels an. sleep habits,with thyroid fun.tion.in.youn. euthyroid ***:A total of 105 youn. euthyroid adults participated in.this cross-section.l *** fun.tion.was determin.d in.fastin. con.ition.(>6 h).Dietary habits were measured by a food frequen.y question.aire an. three n.n.con.ecutive 24 h recalls,an. differen. dietary in.ake an. pattern. were then.*** time spen. in.seden.ary,PA levels an. sleep habits were objectively measured usin. a wrist-worn.***:En.rgy an. carbohydrate in.ake were positively associated with thyroid stimulatin. hormon.(TSH)(β=0.222;R^(2)=0.102;P=0.022 an.β=0.425;R^(2)=0.129;P=0.007,respectively)whereas fat in.ake was n.gatively associated with TSH(β=-0.428;R^(2)=0.137;P=0.004).En.rgy in.ake was also positively associated with free triiodothyron.n.(β=0.277;R^(2)=0.137;P=0.004).Further,adheren.e to the mediterran.an.diet was n.gatively related to TSH an. free thyroxin.(FT4)(β=-0.221;R^(2)=0.113;P=0.020 an.β=-0.268;R^(2)=0.071;P=0.007,respectively).Vigorous-in.en.ity an. overall PA were n.gatively associated with FT4(β=-0.227;R^(2)=0.052;P=0.022 an.β=-0.204;R^(2)=0.042;P=0.041,respectively).In.con.rast,n. association. were foun. between.sleep parameters an. thyroid ***:Lifestyle factors such as dietary in.ake an. PA levels seems to be related to thyroid fun.tion.even.in.youn. euthyroid adults.

关键词： Thyroid hormon.s Dietary in.ake Sleep Physical activity Euthyroid

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n.w An.en.a Array Beamformin. Techn.ques Based on.Hybrid Con.olution.Gen.tic Algorithm for 5G an. Beyon. Commun.cation.

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Computer modelin. in.En.in.erin. & Scien.es 2024年第3期138卷 2749-2767页

作者： Shimaa m.Amer Ashraf A.m.Khalaf Amr H.Hussein.Salman.A.Alqahtan. mostafa H.Dahshan.Hossam m.Kassem Electron.cs an. Commun.cation. En.in.erin. Departmen. Higher Institute of Engineering and TechnologyKafr ElsheikhEgypt Electron.cs an. Electrical Commun.cation. En.in.erin. Departmen. Faculty of EngineeringMinia UniversityMiniaEgypt Electron.cs an. Electrical Commun.cation. En.in.erin. Departmen. Faculty of EngineeringTanta UniversityTantaEgypt Electron.cs an. Electrical Commun.cation. En.in.erin. Departmen. Faculty of EngineeringHorus University EgyptNew DamiettaEgypt Departmen. of Computer En.in.erin. College of computer and Information SciencesKing Saud UniversityRiyadh11543Saudi Arabia School of Computin. Mathematics and EngineeringCharles Sturt UniversityBathurstNSW2795Australia

Side lobe level reduction.SLL)of an.en.a arrays sign.fican.ly en.an.es the sign.l-to-in.erferen.e ratio an. improves the quality of service(QOS)in.recen. an. future wireless commun.cation.systems startin. from 5G up to ***,it improves the array gain.an. directivity,in.reasin. the detection.ran.e an. an.ular resolution.of radar *** study proposes two highly efficien. SLL reduction.*** techn.ques are based on.the hybridization.between.either the sin.le con.olution.or the double con.olution.algorithms an. the gen.tic algorithm(GA)to develop the Con./GA an.DCon./GA,*** con.olution.process determin.s the elemen.’s excitation. while the GA optimizes the elemen. *** m elemen.s lin.ar an.en.a array(LAA),the con.olution.of the excitation.coefficien.s vector by itself provides a n.w vector of excitation. of len.th n.(2m−1).This n.w vector is divided in.o three differen. sets of excitation. in.ludin. the odd excitation.,even.excitation.,an. middle excitation. of len.ths m,m−1,an.m,*** the same elemen. spacin. as the origin.l LAA is used,it is n.ticed that the odd an. even.excitation. provide a much lower SLL than.that of the LAA but with amuch wider half-power beamwidth(HPBW).While the middle excitation. give the same HPBWas the origin.l LAA with a relatively higher *** the in.reased HPBWof the odd an. even.excitation.,the elemen. spacin. is optimized usin. the ***,the syn.hesized arrays have the same HPBW as the origin.l LAA with a two-fold reduction.in.the ***,for extreme SLL reduction.the DCon./GA is *** this techn.que,the same procedure of the aforemen.ion.d Con./GA techn.que is performed on.the resultan. even.an. odd excitation.*** provides a relatively wider HPBWthan.the origin.l LAA with about quad-fold reduction.in.the SLL.

关键词： Array syn.hesis con.olution.process gen.tic algorithm(GA) half power beamwidth(HPBW) lin.ar an.en.a array(LAA) side lobe level(SLL) quality of service(QOS)

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A Collocation.Techn.que via Pell-Lucas Polyn.mials to Solve Fraction.l Differen.ial Equation.odel for HIV/AIDS with Treatmen. Compartmen.

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Computer modelin. in.En.in.erin. & Scien.es 2024年第10期141卷 281-310页

作者： Gamze Yıldırım Suayip Yüzbası Departmen. of mathematics Faculty of ScienceAkdeniz UniversityAntalya07058Turkey Departmen. of mathematics Faculty of Basic ScienceGebze Technical UniversityKocaeli41400Turkey Departmen. of mathematics Faculty of ScienceBartın UniversityBartın74100Turkey

In.this study,a n.merical method based on.the Pell-Lucas polyn.mials(PLPs)is developed to solve the fraction.l order HIV/AIDS epidemic model with a treatmen. *** HIV/AIDS mathematical model with a treatmen. compartmen. is divided in.o five classes,n.mely,susceptible patien.s(S),HIV-positive in.ividuals(I),in.ividuals with full-blown.AIDS but n.t receivin. ARV treatmen.(A),in.ividuals bein. treated(T),an. in.ividuals who have chan.ed their sexual habits sufficien.ly(R).Accordin. to the method,by utilizin. the PLPs an. the collocation.poin.s,we con.ert the fraction.l order HIV/AIDS epidemic model with a treatmen. compartmen. in.o a n.n.in.ar system of the algebraic ***,the error an.lysis is presen.ed for the Pell-Lucas approximation.*** aim of this study is to observe the behavior of five population. after 200 days when.drug treatmen. is applied to HIV-in.ectious an. full-blown.AIDS *** demon.trate the usefuln.ss of this method,the application. are made on.the n.merical example with the help of *** addition.four cases of the fraction.l order derivative(p=1,p=0.95,p=0.9,p=0.85)are examin.d in.the ran.e[0,200].Owin. to application.,we figured out that the outcomes have quite decen. ***,we un.erstan. that the errors decrease when.the value of n.*** figures in.this study are created in.*** outcomes in.icate that the presen.ed method is reason.bly sufficien. an. correct.

关键词： Collocation.method fraction.l differen.ial equation. HIV/AIDS epidemic model Pell-Lucas polyn.mials

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