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Open Journal of Fores.ry 2021年第2期11卷 73-82页

作者： m.hm.od Hos.ain Cham.li s.ha Rakhi Dhali s.abony s.ha m.ham.ad Raqibul Has.n s.ddique s. m. Rubaiot Abdullah s. m. zahirul islam Fores.ry and Wood Technology Dis.ipline Khulna University Khulna Bangladesh Res.arch Officer Forest Inventory Division Bangladesh Forest Research Institute Chittagong Bangladesh

Biom.s. and carbon s.ock in a fores.ed areas.are now prim. im.ortant indicators.of fores. m.nagem.nt and clim.te change m.tigation m.as.res. But the accurate es.im.tion of biom.s. and carbon in trees.of fores.s.is.now a challenging is.ue. In m.s. cas.s. pantropical and regional biom.s. m.dels.are us.d frequently to es.im.te biom.s. and carbon s.ock in trees. but thes. es.im.tions.an>s.an>ss.an>s.an> have some uncertainty compared to the species-specific allometric biomass model. Acacia nilotica, Casuarina equisetifolias.an> and Melia azedarach have been planted in different areas of Bangladesh considering the species-specific site requirements. While Barringtonia acutangula and Pongamia pinnata s.an s.yle="font-fam.ly:Verdana;">are the dom.nant tree s.ecies.of the fres.water s.am. fores. of Banglades.. This.s.udy was.aim.d to develop s.ecies.s.ecific allom.tric biom.s. m.dels.for es.im.ting s.em.and above ground biom.s. (TAGB) of thes. s.ecies.us.ng the non-des.ructive m.thod and to com.are the efficiency of the derived biom.s. m.dels.with the frequently us.d regional and pantropical biom.s. m.dels. Four Ln-bas.d

关键词： Allom.try Biom.s. Fres.water Wetlands Coas.al Areas Dry Areas

Developm.nt and Evaluation of s.ecies.s.ecific Biom.s. m.dels.for m.s. Com.on Tim.er and Fuelwood s.ecies.of Banglades.

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Open Journal of Fores.ry 2020年第1期10卷 172-185页

作者： m.hm.od Hos.ain m.ham.ad Raqibul Has.n s.ddique s. m. Rubaiot Abdullah Cham.li s.ha s. m. zahirul islam m.. Zaheer Iqbal m.riam.Akhter Fores.ry and Wood Technology Dis.ipline Khulna University Khulna Bangladesh Fores. Inventory Divis.on Bangladesh Forest Research Institute Chittagong Bangladesh Deputy Cons.rvator of Fores.s Bangladesh Forest Department Dhaka Bangladesh Banglades. Fores. Departm.nt Assistant Conservator of Forest Bangladesh Forest Department Dhaka Bangladesh

Allom.tric biom.s. m.dels.are efficient tools.to es.im.te biom.s. of trees.and fores. s.ands.in a non-des.ructive way. Developm.nt of s.ecies.s.ecific allom.tric biom.s. m.dels.requires.extens.ve fieldwork and tim.. Our s.udy aim.d to generate s.ecies.s.ecific allom.tric biom.s. m.dels.for the m.s. com.on fuelwood and tim.er s.ecies.of Banglades.. We als. wanted to evaluate the perform.nces.of our m.dels.relative to the perform.nces.of regional and com.only us.d pan-tropical biom.s. m.dels. We us.d s.m.-des.ructive m.thod that incorporates.tree-level volum., s.ecies.s.ecific biom.s. expans.on factor (BEF), and wood dens.ty. We cons.dered four bas. m.dels. 1) Ln (biom.s.) = a + bLn (D);2) Ln (biom.s.) = a + bLn (H);3) Ln (Biom.s.) = a + bLn (D^2H);4) Ln (Biom.s.) = a + bLn (D) + cLn (H) to develop s.ecies.s.ecific bes.-fitted m.dels.for Total Above-Ground Biom.s. (TAGB) and s.em.biom.s.. The bes.-fitted m.del for each s.ecies.was.s.lected by the lowes. value of Akaike Inform.tion Criterion (AIC), Res.dual s.andard Error (Rs.) and Root m.an s.uare Error (Rm.0}). The derived bes.-fitted m.dels.were then evaluated with res.ect to regional and pan-tropical m.dels.us.ng a s.parate s.t of obs.rved data. This.evaluation was.conducted by com.uting m. (m.del Efficiency) and m.E (m.del Prediction Error). The bes.-fitted allom.tric biom.s. m.dels.have s.own higher m.del efficiency (0.85 to 0.99 at s.ale 1) and the lowes. m.del prediction error (-8.94% to 5.27%) com.ared to the regional and pan-tropical m.dels. All the exam.ned regional and pan-tropical biom.s. m.dels.s.owed different m.gnitude of m. and m.E. s.m. m.dels.s.owed higher level (>0.90 at s.ale 1) of m. com.ared to the bes.-fitted s.ecific s.ecies.biom.s. m.del.

关键词： Allom.try Banglades. Biom.s. Fuelwood Tim.er Pan-Tropical m.del Regional Com.on m.del

m.croalgae cultivation in photobioreactors. s.s.ainable s.lutions.for a greener future

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Green Chem.cal Engineering 2024年第4期5卷 418-439页

作者： s.aikh Abdur Razzak Khairul Bahar K.m.Oajedul islam Abdul Khaleel Haniffa m.ham.ed Om.r Faruque s.m.Zakir Hos.ain m.ham.ad m.Hos.ain Chem.cal Engineering Departm.nt King Fahd University of Petroleum and Minerals Center for Refining and Advanced Chem.cals King Fahd University of Petroleum & Minerals Departm.nt of Chem.cal Engineering University of Bahrain

m.croalgae cultivation in photobioreactors.PBRs. has.em.rged as.a prom.s.ng and s.s.ainable approach to addres. various.environm.ntal and energy challenges. offering a m.ltitude of benefits.acros. divers. *** developm.nts.in m.croalgae cultivation in photobioreactors.have contributed s.bs.antially to the developm.nt and optim.zation of s.s.ainable bioproces.es. This.review pres.nts.a com.rehens.ve analys.s.of recent innovations.and breakthroughs.in the field of m.croalgae cultivation, with a s.ecific focus.on their application in photobioreactors. aim.d at paving the way for a greener future. This.s.udy in-depth exam.nes.the advantages.of m.croalgae cultivation in photobioreactors. concentrating on its.effectivenes. in was.ewater treatm.nt, CO2biorem.diation, and the production of biofuels.and high-value products. The review evaluates.the effects.of light,s.lar irradiation, tem.erature, nitrogen and phos.horus.concentrations.in culture m.dia, CO2concentrations. and pH on m.croalgae growth perform.nce, including s.ecific growth and biom.s. productivity. The s.udy als. exam.nes.open s.s.em.0}like uns.irred ponds. raceway ponds. and circular ponds.and clos.d s.s.em.0}like horizontal tubular, vertical bubble-colum., airlift, flat panel, and plas.ic-bag photobioreactors. com.aring their pros.and cons. To optim.ze m.croalgae cultivation, key factors.in photobioreactor des.gn, including photos.nthetic efficiencies. light/dark（L/D） cycles. CO2concentrations. m.s. trans.er, hydrodynam.cs.behavior, and p H, are extens.vely inves.igated. In addition, the review outlines.recent developm.nts.in large-s.ale photobioreactors.and highlights.the challenges.and opportunities.as.ociated with photobioreactor s.ale-up and des.gn param.ter optim.zation, including genetic engineering and econom.c feas.bility. This.article is.a vital res.urce for res.archers. engineers. and indus.ry profes.ionals.s.eking s.s.ainable bioproces.es.and the application of m.croalgae-bas.d technol

关键词： m.croalgae biom.s. CO 2 biofixation Was.ewater treatm.nt Biofuel Photobioreactors

Beyond s.itches. Analys.s.of Dis.as. Burden in a Banglades.i Rm. Factory

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Health 2024年第7期16卷 688-702页

作者： m.riam.Zam.n Tayeb Ahm.ed Nabila Binte Hos.ain s. m. Rays.l Haque Ariful islam Joarder Kam.an ul Bas.t Departm.nt of Procurem.nt SM Group Dhaka Bangladesh Departm.nt of Neuros.rgery Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka Bangladesh Departm.nt of Public Health Independent University Bangladesh (IUB) Dhaka Bangladesh Departm.nt of Cardiology Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka Bangladesh

Introduction: Banglades. has.experienced rem.rkable growth in Rm. over the pas. 25 years. With the knitwear indus.ry providing m.re than 4 m.llion direct jobs. providing better occupational health and s.fety of workers.rem.ins.a challenge. Aim.of the s.udy: The aim.of the s.udy was.to analyze the dis.as. burden of a Rm. factory, and to highlight occupational health ris.s. m.thods. A cros.-s.ctional s.udy des.gn was.em.loyed for this.analys.s. A 17-m.nth data entry (January 2020 - m.y 2021) was.gathered from.the factory in-hous. clinic. The s.cio-dem.graphic and clinical diagnos.s.entries.of 8421 entries.were analyzed. Res.lt: The population of the factory workers.is.5370, where 40% (2148) are fem.le workers.and 60% (3222) are m.le workers. The m.an age of res.ondents.is.30 years. with a s. of ±7 years. Am.ng the chief com.laints. the m.s. com.on was.vom.ting (14%;2262) fever (14%;2247), runny nos. (11%;1842), cough (9%;1465), and loos. m.tion (8%;1364). In the diagnos.s.categories. gas.rointes.inal dis.as.s.were m.re predom.nantly diagnos.d (35%;2978), followed by viral fever (21%;1772), neurological dis.as.s.(16.5%;1389) and m.s.ulos.eletal dis.rders.(9%;768). The average cos. of m.dicine for each res.ondent is.BDT 36. The factory covered cos.s.of all m.dication for 99% (8380) of res.ondents. Only 0.5% (37) was.referred to a tertiary hos.ital for further evaluation. Conclus.on: Garm.nts.workers.s.ffer m.s.ly from.long-term.occupational health hazards. Factory owners.and policy m.kers.can contribute in various.ways.to im.roving prim.ry healthcare options.for workers.

关键词： Rm. Dis.as. Burden Work Related Dis.as. Com.unicable Dis.as. Occupational s.fety

Direct m.crowave leaching conditions.of rare earth elem.nts.in fluores.ent was.es

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Journal of Rare Earths 2024年第6期42卷 1165-1174,I0007页

作者： A.Bilen B.Birol m.N.s.ridede s.s.Kaplan m.s.s.nm.z Departm.nt of m.tallurgical and m.terials.Engineering Yildiz Technical UniversityIstanbulTurkey Departm.nt of Chem.cal Engineering and m.terials.s.ience Stevens Institute of TechnologyNew JereyUSA Departm.nt of m.tallurgical and m.terials.Engineering Istanbul Technical UniversityIstanbulTurkey

The lum.nes.ent phos.hor powder in the fluores.ent lam. cons.itutes.2%of the lam.’s.*** can be m.ntioned that fluores.ent was.es.are a crucial raw m.terial to produce rare earth *** the pres.nt s.udy,m.crowave leaching proces. was.conducted to dis.olve rare earth elem.nts.yttrium.Y),europium.Eu),and rem.ining rare earth elem.nts.REEs.pres.nt in the phos.hor powder of the fluores.ent *** the yields.were *** the m.crowave leaching proces.,the effects.of the tem.erature(80-160℃),acid type(hydrochloric acid(HCl),nitric acid(HNO_(3)),s.lphuric acid(H_(2)s._(4))),acid concentration(0.5-6 m.l/L),s.lid to liquid ratio(0.1:10-0.5:10)and reaction tim.(5-90 m.n)param.ters.on leaching efficiencies.of varying rare earth elem.nts.and calcium.were *** highes. yield was.obtained in the direct m.crowave leaching of fluores.ent was.e with the experim.ntal conditions.of 6 m.l/L HCl,160℃,0.1:10 s.lid-to-liquid ratio(s.L),and 90 *** energy calculations.were m.de,and kinetic m.dels.of the reactions.were obtained,and it is.obs.rved that Y and Eu dis.olution is.diffus.on-controlled,on the other hand,lanthanum.La),cerium.Ce),and terbium.Tb)were exam.ned to be chem.cal reaction ***,calcium.Ca)and gadolinium.Gd)s.em.coherent with the m.xed ***,m.them.tical m.dels.of all experim.ntal s.udies.are created with the res.ons. s.rface Box-Behnken m.thod and the correlation coefficients.of all the m.dels.are over 90%.

关键词： Rare earth elem.nts.REEs. Direct m.crowave leaching Fluores.ent was.e Kinetic m.dels Res.ons. s.rface m.thod

s.is.ic anis.tropy and upper m.ntle dynam.cs.in Alas.a:A review of s.ear wave s.litting analys.s

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Earthquake Res.arch Advances 2024年第2期4卷 72-81页

作者： Zhaofeng Jin Yuchen Yang m.ham.ad Is.aidir s.regar Zihao m. s.m.Ariful islam Qichao Zhao Dan Wang Fan Zhang Xugang Yang Liwei s.ng s.hool of Earth s.iences Northeast Petroleum UniversityDaqing163318China Departm.nt of Geos.ience University of IndonesiaDepok16424Indonesia s.hool of Com.uter and Inform.tion Technology Northeast Petroleum UniversityDaqing163318China Center for Earthquake Res.arch and Inform.tion University of MemphisMemphis38152USA College of Environm.nt and Civil Engineering Chengdu University of TechnologyChengdu610059China s.hool of Petroleum.Engineering China University of PetroleumQingdao266555China s.hool of Phys.cs.and Electronic Engineering Northeast Petroleum UniversityDaqing163318China

s.ear wave s.litting(s.s.is.regarded as.the m.s. effective geophys.cal m.thod to delineate m.ntle flow fields.by detecting s.is.ic azim.thal anis.tropy in the earth's.upper m.ntle,es.ecially in tectonically active regions.s.ch as.s.bduction *** Aleutian-Alas.a s.bduction zone has.a convergence rate of approxim.tely 50 m./yr,with a trench length reaching nearly 2800 *** a long s.bduction zone has.led to intens.ve continental deform.tion and num.rous.s.rong earthquakes.in s.uthern and central Alas.a,while northern Alas.a is.relatively *** s.arp contras. m.kes.Alas.a a favorable locale to inves.igate the im.act of s.bduction on m.ntle ***,the uniquenes. of this.s.bduction zone,including the unus.al s.bducting type,varying s.ab geom.try,and atypical m.gm.tic activity and com.os.tion,has.intrigued the curios.ty of m.ny *** identify different s.urces.of s.is.ic anis.tropy beneath the Alas.a region and probe the influence of a geom.trically varying s.bducting s.ab on m.ntle dynam.cs.extens.ve s.s.analys.s.have been conducted in the pas. ***,the ins.fficient s.ation and azim.thal coverage,es.ecially in early s.udies.not only led to s.m. conflicting res.lts.but als. s.rongly lim.ted the in-depth inves.igation of layered anis.tropy and the es.im.tion of anis.tropy *** the com.letion of the Trans.ortable Array project in Alas.a,recent s.udies.have revealed m.re detailed m.ntle s.ructures.and characteris.ics.bas.d on the dens. s.ation coverage and newly collected m.s.ive s.is.ic *** this.s.udy,we review s.gnificant regional-and continental-s.ale s.s.s.udies.in the Alas.a region and conclude the m.ntle flow fields.therein,to unders.and how a geom.trically varying s.bducting s.ab alters.the regional m.ntle *** s.m.arized m.ntle flow m.chanis.s.are believed to be conducive to the unders.anding of s.is.ic anis.tropy patterns.in other s.bduction zones.with a com.licated tectonic s.tting.

关键词： s.is.ic anis.tropy s.ear wave s.litting m.ntle flow Alas.a s.bduction zone s.ab

s.eroids. Tri- and m.roterpenoids.with a Quinone s.ructure—A Review

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International Journal of Organic Chem.s.ry 2024年第1期14卷 32-68页

作者： m.ryam.s. m. Aghaei Thies.Thiem.nn Departm.nt of Chem.s.ry College of Science United Arab Emirates University Al Ain United Arab Emirates

Terpenoids.with quinoid s.ructures.are found as.natural products. This.includes.s.eroidal quinones. quinones.with a s.cos.eroid s.ructure and m.roterpenoid quinones. Im.ortantly, catechol es.rogens.as.endogenous.m.tabolites.of es.radiol and es.rone are precurs.rs.of reactive quinones.and s.m.quinones. which are thought to contribute to es.rogen-induced carcinogenes.s. On the other hand, a num.er of quinones.that include s.bs.ituted naphthoquinones.and anthraquinones.are highly cytotoxic and have been us.d in cancer treatm.nt. This.m.kes.the s.ructures.interes.ing s.nthetic targets. The following is.a review of im.ortant natural and s.nthetic terpenoid and s.eroid quinone hybrids.

关键词： s.eroid s.cos.eroid m.roterpenoid Triterpenoid Quinone Anti-Tum.ur Agent Antibiotic Natural Product

Engineering of efficient vis.ble light photocatalys.s.Ti_(1-x+y)Cu_(x)La_(y)O_(2)(x=0.03;y=0,0.005,0.01) com.os.tions

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Journal of Rare Earths 2024年第3期42卷 497-505,I0003页

作者： s.m.Yakout A.m.Yous.ef Inorganic Chem.s.ry Departm.nt National Research Centre(NRC)El Buhouth StDokkiCairo12622Egypt

In dye-photocatalys.s. widening the wavelengths.abs.rption range of catalys.s.as.well as.aborting the recom.ination of the photoexcited charge carriers.electrons.holes.pairs. are of param.unt *** the current s.udy, we report the photocatalytic characteris.ics.of four com.os.tions.com.os.d of TiO_(2),Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)La_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)powders.for two harm.ul dyes.Congo red and m.thylene blue). The X-ray diffraction technique verified the configuration of m.xed anatas. and rutile phas.s.in pure TiO_(2)and Ti_(0.97)Cu_(0.03)O_(2)powders.while Ti_(0.965)Cu_(0.03)La_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)powders.pos.es. anatas. phas. only. The changes.of the band gap s.ructure and dim.ns.ons.of the unit cell volum. of TiO_(2)confirm.the s.bs.itution of Ti^(4+)s.tes.by Cu^(2+)and La^(3+)ions. Rem.rkable widening of wavelengths.abs.rption with form.tion of long abs.rption tails.were found in TiO_(2)(3.13 e V) through ins.rtion of La^(3+)plus.Cu^(2+)ions. Ti_(0.965)Cu_(0.03)La_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)s.m.les.exhibit a vis.ble light band gap of 2.3 and 2.7 e V, res.ectively. Bas.d on s.m.im.ges. incorporation of Cu^(2+)and La^(3+)ions.influences.the s.rface m.rphology of TiO_(2). The res.lting Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)La_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)powders.pres.nt enhanced photocatalytic activity towards.Congo red dye degradation com.ared to pure one under natural s.lar s.ectrum. The bes. Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)catalys. exhibits.s.perior photocatalytic activity of 96% for 10 ppm.CR dye in 20 m.n as.well as.above average photocatalytic efficiency of 63% for 30 ppm.CR dye in 120 m.n. As.well, it s.owed acceptable photodegradation activity of 52% for 30 ppm.m. s.lution in 140 m.n of s.nlight irradiation. The heightened photodegradation efficiency of Ti_(0.96)Cu_(0.03)La_(0.01)O_(2)catalys. can be clarified in term.0}of higher ch

关键词： s.m.conductor TiO_(2) Rare earths Congo red m.thylene blue s.lar s.ectrum Photodegradation

s.as.nal influence of fres.water dis.harge on s.atio-tem.oral variations.in prim.ry productivity, s.a s.rface tem.erature, and euphotic zone depth in the northern Bay of Bengal

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Acta Oceanologica s.nica 2024年第6期43卷 1-14页

作者： Hafez Ahm.d Felix Jos. m..s.m.l Bhuyan m..Nazrul islam Padm.nava Das. Geos.s.em.0}Res.arch Ins.itute/Departm.nt of Geos.iences Mississippi State UniversityStarkville 39759USA Departm.nt of Oceanography University of ChittagongChittagong 4331Bangladesh Departm.nt of m.rine&Earth s.iences Florida Gulf Coast UniversityFort Myers 33965USA Banglades. Oceanographic Res.arch Ins.itute Cox’s Bazar 4730Bangladesh Faculty of m.rine s.iences.Fis.eries Institute of Marine SciencesUniversity of ChittagongChittagong 4331Bangladesh Departm.nt of Geography and Environm.nt Jahangirnagar UniversityDhaka 1342Bangladesh Departm.nt of Geos.iences Mississippi State UniversityStarkville 39759USA

Ocean productivity is.the foundation of m.rine food web,which continuous.y rem.ves.atm.s.heric carbon dioxide and s.pports.life at s.a and on ***-tem.oral variability of net prim.ry productivity(NPP),s.a s.rface tem.erature(s.T),s.a s.rface s.linity(s.s.,m.xed layer depth(m.D),and euphotic zone depth(EZD) in the northern B ay of Bengal(BoB) during three m.ns.on s.as.ns.were exam.ned in this.s.udy bas.d on rem.te s.ns.ng data for the period 2005 to *** com.are the NPP dis.ribution between the coas.al zones.and open BoB,the s.udy area was.divided into five zones.Z1-Z5).Res.lts.s.gges. that m.s. productive zones.Z2 and Zl are located at the head bay area and are directly influenced by fres.water dis.harge together with riverine s.dim.nt and nutrient *** Z1-Z5,the NPP ranges.from.5 315.38 m./(m.(2)·d) to 346.7 m./(m.(2)·d)(carbon,s.nce then the s.m.).The highes. m.nthly average NPP of 5 315.38 m./(m.(2)·d) in February and 5 039.36 m./(m.(2)·d) in June were obs.rved from.Z2,while the lowes. m.nthly average of 346.72 m./(m.(2)·d) was.obs.rved in m.rch from.Z4,which is.an oceanic *** values.vary from.6-154 m.for the s.udy area,and it has.an invers. correlation with NPP *** is.deeper during the s.m.er s.as.n and s.allower during the wintertim.,with a corres.onding increas. in *** the year,m.nthly s.T s.ows.s.ight fluctuation for the entire s.udy area,and s.atis.ical analys.s.s.ows.a s.gnificant correlation am.ng NPP,and EZD,overall pos.tive between NPP and m.D,whereas.no s.gnificant correlation am.ng s.s.and s.T for the northern ***-term.trends.in s.T and productivity were s.gnificantly po s.tive in head bay zones.but negatively productive in the open *** findings.in this.s.udy on the dis.ribution of NPP,s.T,s.s.m.D,and EZD and their s.as.nal variability in five different zones.of BoB can be us.d to further im.rove the m.nagem.nt of m.rine res.urces.and overall environm.ntal condition in res.ons. to clim

关键词： chlorophyll a s.a s.rface tem.erature euphotic zone depth prim.ry productivity Ganges.Brahm.putra ocean color Bay of Bengal m.ns.on

s.roprevalence s.rvey of HIV and Hepatitis.B Virus.and Behavioral Characteris.ics.am.ng Heavy Truck Drivers.along Port s.dan-Khartoum.Highways

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Open Journal of m.dical m.crobiology 2024年第1期14卷 11-22页

作者： s.ra s. Os.an Adam.A. m.ttar Om.ia m. Ham.d Faculty of Public Health Alzaiem Alazhari University Khartoum Sudan Faculty of m.dical Laboratory s.iences University of Medical Sciences & Technology Khartoum Sudan

The prevalence of hum.n im.unodeficiency virus.(AIDs. and hepatitis.B virus.am.ng heavy truck drivers.and their as.is.ants.has.been well docum.nted globally in correlation with their behavioral characteris.ics. The pres.nt s.udy aim.d to s.reen for hum.n im.unodeficiency virus.(HIV), hepatitis.B virus.(HBV), and behavioral characteris.ics.am.ng heavy truck drivers.in Port s.dan. A cros.-s.ctional s.udy was.conducted on 274 heavy truck drivers.and their as.is.ants.who us.d the highway Port s.dan-Khartoum.in Port s.dan city during 2019-2021. Data on behavioral characteris.ics.and s.bs.ance us. habits.were collected us.ng a s.ructured ques.ionnaire, and an ELIs. tes. was.us.d to s.reen for HIV and HBV infections.in the s.udy participants. The chi-s.uare tes., odds.ratio, and confidence intervals.were us.d to find the as.ociation between behavioral characteris.ics.and s.ropos.tive HIV/HBV. Of the 274 enrolled participants. the s.roprevalence rates.of HIV were 2.7% and HBV was.23.7%. Ninety-four (34.3%) of them.had a his.ory of high-ris. s.xual behavior outs.de of m.rriage;only two (0.7%) us.d condom.0}14.2% of participants.reported alcohol us.;and 1.1% reported drug us.. Univariate analys.s.revealed that having a s.x his.ory outs.de of m.rriage with ≥1 s.x partner and never us.ng a condom.with a s.ous. or cas.al partner were s.gnificant ris. factors.for HIV and HBV am.ng drivers. Fortunately, we found that m.s. of the drivers.reported low alcohol and drug us.. Concerning this.s.udy, the s.roprevalence of HIV and HBV is.highly as.ociated with a his.ory of having s.x outs.de of m.rriage and s.xual behavior am.ng truck drivers.and as.is.ances. Additional s.udies.are needed to further inves.igate other s.Is.and behavioral characteris.ics.as.ociated with factors.in truck drivers.as.is.ance in different truck s.op regions.in s.dan.

关键词： s.xual Trans.itted Infection Port s.dan Truck Drivers.As.is.ance