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简介：AbstractForecasting the COVID-19 confirmed cases, deaths, and recoveries demands time to know the severity of the novel coronavirus. This research aims to predict all types of COVID-19 cases (verified people, deaths, and recoveries) from the deadliest 3rd wave data of the COVID-19 pandemic in Bangladesh. We used the official website of the Directorate General of Health Services as our data source. To identify and predict the upcoming trends of the COVID-19 situation of Bangladesh, we fit the Auto-Regressive Integrated Moving Average (ARIMA) model on the data from Mar. 01, 2021 to Jul. 31, 2021. The finding of the ARIMA model (forecast model) reveals that infected, deaths, and recoveries number will have experienced exponential growth in Bangladesh to October 2021. Our model reports that confirmed cases and deaths will escalate by four times, and the recoveries will improve by five times at a later point in October 2021 if the trend of the three scenarios of COVID-19 from March to July lasts. The prediction of the COVID-19 scenario for the next three months is very frightening in Bangladesh, so the strategic planner and field-level personnel need to search for suitable policies and strategies and adopt these for controlling the mass transmission of the virus.

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简介：探索研究在孟加拉国在Noakhali区域下面在Hatiya在字符Rehania和字符Nurul回教在细长的字符和字符Piya和他们的邻近的贫瘠陆地的沿海的种植园(17岁、17岁的Sonneratiaapetala)被进行在土壤性质上决定造林效果。在土壤深度010，越过三块不同陆地的1030和3040厘米剥去viz。在17岁、17岁的keora(Sonneratiaapetala)的内陆，中间和海方面种植园，土壤潮湿，粒子密度，有机物和C，全部的N，pH，可得到的P，K，Na，Ca和Mg是显著地(p≤0.05，p≤0.01，p≤0.001)更高，并且(p≤0.001)土壤咸度显著地在他们的邻近的贫瘠陆地比那降低。在在内陆的字符细长的种植园的表面土壤的土壤潮湿，粒子密度，有机物和C，全部的N，pH，土壤咸度，可得到的P，K，Na，Ca和Mg是31.09%，2.24g·cm−3,2.41%，4.14%，0.58%，7.07，0.09dS·cm−1,28.06mg·L−1,0.50，mg·L−111.5mg·L−1,3.30mg·L−1和2.7mmol·kg−1,分别地。他们为在邻近的字符Rehania贫瘠土地的一样的深度和陆地位置的相应的值是16.69%，1.25g·cm−3,0.43%，0.74%，0.25%，6.57，0.13dS·cm−1,13.07mg·L−1,0.30mg·L−1,1.4mg·L−1,0.30mmol·kg−1和0.50mg·L−1,分别地。土壤潮湿，粒子密度，有机物和C，全部的N，pH，可得到的P，K和Ca减少了，并且土壤咸度，可得到的Na和Mg在种植园向海方面从内陆增加了。尽管土壤质地没在在种植园和邻近的贫瘠土地之间的大多数土壤深度不同，沙粒子的比例是(p≤.01)显著地降低并且淤泥粒子显著地(p≤0.001)在在他们的邻�

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简介：研究在Kaptai水库被进行，之一最大人造东南亚洲的淡水湖，使用为钓鱼和其它决定水质量和它的适用性的现在的地位。水采样从在在五个不同地点从的0.2和0.8部分深度的水库的中间的部分对下游的viz在上游。Burburichara，Maichchari，Subolong，Basanthakum，和Rangamati。水分析证明NO3-N，K+和全部的P的集中，和根本，采样驻扎的推迟的固体在为鱼文化的推荐价值以外。Na+的集中，Ca2+，Mg2+，SO42?，Cl?，全部的溶解固体(TDS)，溶解的氧()并且化学的氧需求(货到付款)在为水产业的标准以内。NO3-N的集中，SO42?，K+和全部的P没与深度显示出明确的趋势，地点象一样多雨并且旱季。浇pH，传导性，Na+和HCO3吗？内容在雨季是更低的，并且做并且在在两个的几乎所有地点更高的货到付款深度，与旱季相比。TDS的全部的固体和集中，，货到付款，Ca2+，Mg2+和Na+是更高的在在上游、减少逐渐地向在水库下游。集中并且Ca2+和pH更高并且在0.2-fractional深度的Mg2+更少比那些在在几乎所有地点的0.8-fractional深度。水库处于包含NO3-N和全部的P的高集中的mesotrophic状况，在有从在镇附近的城市的污染的过多的推迟的固体的存在的惊人地位。为由于如此的恶化在水库保护水质量采用措施是必要的。

简介：Thereareseveralimportantfactorsofgrowthandmanyendeavorshavebeenmadetoapplythesefactorstoexplainthegrowthofdifferenteconomiesatdifferenttimes.Inthiscontext,theobjectiveofthispaperistoexaminetheimpactofinternationaltrade,remittancesandindustrializationontheeconomicgrowthofBangladeshusingannualdatafromtheperiodof1976to2010.Thisstudyusesthetimeserieseconometricsmethodology,whichcoverstestsforstationary,cointegration,andspecificationofthemodel.Thisstudyalsofocusesonfindingcausalrelationshipamongexport,import,remittances,andindustrializationontheeconomicgrowthofBangladeshbyusingGrangercausalitytest.Theresultshowsthatthevariablesarecointegrated,implyingalong-runcausalrelationshipamongexport,import,remittances,andindustrializationontheeconomicgrowthofBangladesh.

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简介：在每个分解阶段的森林土壤性质上的崽秋天和它的效果在热带季风被调查三种植园(7年的相思树种植园，15年的相思树种植园和18年的混合种植园)和从孟加拉国的Chittagong多山的区域的一个自然森林(Sitapahar森林)的气候的条件。结果证明有机物的全部的累积与种植园年龄增加了，与年度累积率的减少伴随。在一样的植被类型以内，有山上的显著地改变的腐植质(p≤0.05)的新鲜、部分分解的垃圾的器官的累积放，在底部斜坡上是最高的并且在森林里向山顶逐渐地减少。在土壤有机物的累积的反向的趋势在15年的相思树auriculiformis种植园，燃料木头在哪儿收集了被显示出。在7年、15年的相思树和18年的混合宽广离开的种植园，全部的有机物生产由组成评价新鲜，在土壤的部分并且完全分解的垃圾以及合并有机物是2554.31，705.79和1028.01kg·h−1·a−1,分别地，并且从新鲜垃圾的相应贡献是38.23，19.40和30.48kg·h−1·a−1,分别地。在三种植园和自然森林，在一般水准上，新鲜垃圾组成了32.45%，部分与腐植质13.50%分解了垃圾并且合并了在有0.90厘米的吝啬的崽厚度的土壤54.56%全部的有机物生产的有机物。土壤酸味随有机物的分解舞台的增加增加了。

简介：ThisresearchexaminesEnglishteachingandlearningatMadrasasinBangladesh.ThisstudyemploysaqualitativeapproachandattemptstoidentifytheproblemsintheprogramsthatdebarfromachievingexpectedEnglishlearningoutcome.Weconductedasemi-structuredinterviewwithinterviewees,includingrelevantMadrasateachers,trainers,traineeteachers,Educationofficers,andEnglishresourcepersonsatNationalAcademyforEducationalManagement(NAEM),DhakaTeachers’TrainingCollege(TTC),andBangladeshMadrasaTeachers’TrainingInstitute(BMTTI)locatedinDhaka.WefoundthatteachertrainingforEnglishlanguagelearningisurgentlyrequired.CurriculumandsyllabusinEnglishneedtobemadethefocusonfourskills—reading,writing,speaking,andlistening.Leadingedgetechnologyisidentifiedasanindispensableitemforlearners.TherecruitingsystemofEnglishteachersneedstobereformed.ThebestpracticewouldbetaggedittoBangladeshPublicServiceCommission(BPSC),soastogeteffectiveandqualifiedteachers.Thisstudyidentifiedthesupervisoryandadministrativedeficiencies.Toimprovemonitoring,supervisionprocesses,student-friendlyMadrasaadministration,andMadrasamanagingcommitteeisaninstrumental.

简介：Inthecontextofrenewedinterestincollaborationinnaturalresourcemanagement,thecollaborativegovernanceapproachhaslatelybeenintroducedtotheforestProtectedAreas(PAs)inBangladesh.Theadoptionofthisco-managementapproachisseenasanattempttoinfluencethegovernanceprocesstowardsatransformationfromtheconventionalcustodiansystemtoamoreparticipatorymanagementregime.Recognitionofrightsandresponsibilities,effectiveparticipation,andequitabledistributionofbenefitsamongstthekeystakeholdersworkingunderafacilitativepolicyandlegalframeworkarebelievedtoaddressthebroadergoalsofsustainabledevelopmentNotwithstandingtheresurgenceofinterestingovernanceofforestPAsthroughtheco-managementapproach,academicresearchonthesubjectremainslimited.ThisarticleattemptstoreviewselectedkeyinformationandmilestonesontheforestPAsgovernancewithspecialreferencetothemajorpoliciesandlegaldocuments.Withabriefintroductorysection,thisarticlefocusesonthegenesisandselectedmajorfeaturesoftheForestPAsinthecountry.Thediscussionthendwellsonthepolicyandlegalframeworkandprovidesacritiqueonitsrelevanceforpromotingcommunityparticipation.Theexistinginstitutionalarrangementsforcommunityengagementinprotectedareagovernancearealsoanalyzedinlightofthenationalandinternationalcommitmentandpolicyobligationsonthepartofthecountry.Thesalientobservationsandkeyfindingsofthestudyincludethefollowing:(1)despiteitslimitations,comanagementasconceptandpracticehasgraduallytakenrootsinBangladesh;(2)thedegreeandlevelofactivecommunityparticipationremainlowandlimited,andthereisalsoclearweaknessinconscientizingandorientatingthelocalcommunityonthekeylegalandpolicyissuesrelatedtoPAgovernanceinthecountry;and(3)policymakers,practitioners,andotherlocalstakeholdersrelatedtoPAgovernanceneedtobeorientedoninternationalcommitmentandnationalde

简介：Thegeneralizedautoregressiveconditionalheteroskedasticity(GARCH)typemodelsareusedtoinvestigatethevolatilityofBangladeshstockmarket.Thefindingsofthestudydemonstratethattheindexvolatilitycharacteristicschangesovertime.Thearticleshowsthatthedataaredividedintothreesub-periods:precrisis,crisis,andpostcrisis.Accordingly,theresultsofthefindingsindicatechangesintheGARCH-typemodelsparameter,riskpremiumandpersistenceofvolatilityindifferentperiods.Asignificant'low-yieldassociatedwithhigh-risk'phenomenonisdetectedinthecrisisperiodandthe'leverageeffect'occursineachperiods.Theinvestorsareirrationalwhichisbasedonassumptionofriskandreturncharacteristicsofassets.Consequently,themarketisnotasmatureasdevelopedmarket.Itisfoundinthearticlethatthethresholdgeneralizedautoregressiveconditionalheteroskedasticity(TGARCH)modelismoreaccurateforthemodelaccuracy.Additionally,statisticerrormeasurementsindicatethatGARCHmodelismoreefficientthanothersandithasalsomoreforecastingability.

简介：Thefirstbirthmarksatransitionofawomanintomotherhood.Itcontributessubstantiallytooverallfertilityofeachindividualwoman.Theageatwhichchildbearingbeginsinfluencesthenumberofchildrenawomanbearsthroughoutherwholereproductivelifespan.Thus,themother’sageatfirstbirthinfluencesthetotalnumberofbirthsthatshemighthaveinherlife,whichimpactsthesize,composition,andfuturegrowthofthepopulation.Child-bearingatveryyoungagesiscommonamongthepoorinBangladesh.Theobjectiveofthepresentstudyistoexaminethefactorsassociatedwithageatfirstbirthamongslumdwellersoffiveselectedslums(locally,colony)inSylhetcitycorporationarea,Bangladesh.Thedataofthisstudywascollectedfrom520womenaged14-50years.Thestudyfoundthatalmost93%ofwomenweremarriedbytheagesof18yearsandabout56%ofthewomenhavehadtheirfirstchildbytheageof18years.TheOrdinaryLeastSquares(OLS)regressionmodelwasusedtoanalyzethefactorscorrelatedwithwomen’sageatfirstbirth.TheregressionmodelissignificantwithanF-valueof49.48andcanexplain40.4%ofthevariationinthedependentvariableasitisindicatedbytheR-square.

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简介：ThisarticleattemptstoexaminetheinfluenceofsomeselectedpredictorvariablesonfemaleageatfirstmarriageinslumareasofBangladesh.Apathandmultipleclassificationanalysis(MCA)approachhavebeenadopted.Authorsthoughtthatrespondent'seducationallevelandthemassmediasuchaswatchingtelevisionhaveasignificantdirectimpactonageatmarriage,whilethetypesoffamilyandoccupationalstatushaveanindirecteffectonageatmarriage.

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