简介：TheplightofmigrantworkersinChina,estimatedtonumberinthehundredsofmillions,hasdrawngraveconcernsfromtopleadersandcommonpeoplealike.Partoftheirplightistheschoolingoftheirchildrenthattheycannotgotoschoolonequaltermsaslocalchildren.

简介：TherighttoeducationisabasichumanrightChinahasactivelyimplementedtheinternationaltreatiesontherightofmigrantchildrentoelementaryeducationandprovidedinstitutionalsupporttoensuretheimplementationofelementaryeducationpolicyInpractice,however,duetofactorssuchasregionaldifferencesandfiscalcapacity,theproblemsofequaltreatmentandabalanceddistributionofeducationalresourcesremaintobeaddressedInthisregard,thispapersuggestssolvingtheproblemsfromtheperspectivesofenhancingtheimplementationofinternationaltreaties,increasingcompulsoryeducationresources,improvingthequalityofeducation,andadjustingpolicies

简介：Aseriesofcross-linkedhydrogelsforcolon-specificdrugdeliveryweresynthesizedbygraftcopolymerizationofChitosanandacrylicacidusingN,N'-methylene-bis-(acrylamide)asacross-linker.TheirswellingbehaviorindifferentpHbuffersolutionsandcolonicenzymaticdegradabilitywerestudied.TheobtainedresultsshowthatthesehydrogelshavegoodpHsensitivitywhichcanavoiddrugreleaseinstomach,andtheirswellingkineticsinstimulantintestinalenvironmentfollowsecond-orderswellingkineticsequation.Thefactorsinfluencingtheswellingkineticsincludethedegreeofcross-linkingandthecomposition,whichmaycontrolnoreleaseoralittleamountreleaseofdruginsidethehydrogelsinthesmallintestinebytailoringthesefactors.Thegelsaredegradablebycolonicenzymesandthereisacorrelativitybetweenthedegradationofnetworksandtheswellingdegreeofthegels,whichmaytriggerthereleaseofdruginthecolon.Thehydrogelsshowagreatpotentialfortheirapplicationinoralcolon-specificdrugdeliverysystem.

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简介：AnenhancedadsorptionanddesorptionprocedureofNd(III)ontoD113-IIIresinwerepreparedwithvariouschemicalmethods.BatchstudieswerecarriedoutwithvariouspH,contacttime,temperatureandinitialconcentrations,andthencolumnstudieswereconducted.TheresultsshowedthattheoptimaladsorptionconditionwasatpHvalueof6.90.Theprocesswasfastinitiallyandarrivedequilibriumwithin60h.TheresinexhibitedahighNd(III)uptakeas232.56mg/gat298K.Theadsorptiondatafittedwellwithpseudo-second-orderkineticmodel.Thermodynamicparameterswerestudied,whichindicatedthattheadsorptionprocesswasspontaneousandendothermic.Thomasmodelwasdelineatedheretopredictthebreakthroughcurvesbasedontheexperimentalcolumnstudydata.Intheelutiontest,1mol/LHClsolutioncouldachieveasatisfactoryelutionrate,whichindicatedthatD113-IIIresincouldberegeneratedandreused.Finally,theIRspectroscopictechniquewasundertaken,andanoveladsorptionmechanismwasproposed.

简介：Thelong-termdumpingofcoalwastepileshascausedseriousenvironmentalproblems.Releaseoftraceelements(includingrareearthelements,REEs)fromcoalspoilsgobswasinvestigatedatYangquancoalmine,ShanxiProvince,China.X-raydiffraction(XRD)wasusedtoanalyzethemineralcompositionofthecoalspoils.Themineralsofthecoal-spoilsamplesaremainlykaoliniteandquartz,withaminorproportionofpyrite.Thebatchandcolumntestswereemployedtosimulatetheleachingbehavioroftraceelementsfromcoalspoils.ElementsV,Cr,Zn,As,Pb,andCdarehighlyenrichedinallcoalspoils.ThecoalspoilsalsohaveelevatedlevelsofGa,Ge,Se,Sn,Hf,andTh.Theleachateofcoalspoils,friedcoalspoilsandCSFGM(coalspoilsfiregasmineral)samplesareacidic,withthepHvaluesrangingbetween3.0and6.6.Thereleasedelementswithhighconcentrations(over100μg/L)includeFe,Mn,Co,NiandZn,whilemoderately-releasedelementsareCu,Se,MoandAs.Ahighcontentofheavymetalsinbatch-testleachatewithCSFGMindicatesanincreasedmobilityofheavymetalsincoalspoilcombustionbyproduct.Withinthefirsthourwashingwiththeelectrolytesolution,arapidriseofcommoncations,traceelements,andREEscontent,aswellasadropofpHvalue,ineffluentwasobserved.Anincreasedleachingvelocityfavorsthereleaseoftraceelementsfromcoalspoils.Inaddition,thepulseinputofprecipitationledtomoreelementstobereleasedthancontinuousleaching.

简介：Poly(styrene-glycidylmethacrylate)particleshavingbowl-shapedhollowstructuresweresynthesizedbyswollenseedemulsionpolymerization.ThePSemulsionsynthesizedthroughsoap-freeemulsionpolymerizationwasswollenbytoluene,andthenthemixtureofsecondmonomerswasaddedunderpolymerizationcondition.Soathinshellofpoly(styrene-glycidylmethacrylate)cross-linkedbytriethyleneglycoldiacrylatewasformedaroundtheswollenPSparticle.Thebowl-shapedparticleswereobtainedafterthecollapsingofthethinshellwhenthetolueneemanatedfromtheparticles,buttheshapeswereeffectedbythedegreesofcross-linking.TheshapeoftheparticleswasobservedbySEM.ThereleasebehaviorofsolventfromtheparticleswasexaminedbyTG.

简介：It’sbeenwellrecognizedforthebigroleplayedbyinnovativeruralcooperativefinancialorganizationsintermsofspreadingfarmers’operationrisk,increasingfarmers’income,anddevelopingruraleconomy.However,nosufficientresearchhasbeenconductedregardingthosefactorswhichmayhaveeffectsonthefarmer’swillingnesstoparticipateinthenewruralfinancialorganization.Thispapertriestofilloutthegapofidentifyingvariousfactorswhichmayhavepotentialinfluenceonthefarmer’swillingnesstoparticipateinthenewtypeofruralfinancialcooperatives.Intheprocess,442farmerhouseholdsandsmall-micro-enterprisesaresampledfromthecooperativefinanceexperimentvillagesinPanjinmunicipalityofLiaoningprovince.Thepotentialinfluencingfactorsareclassifiedintofourcategories,includingthefamerhousehold’scharacteristics,financialcooperativereputation,transactioncosts,andservicequality.AdiscreteLogitmodelisusedfortheparameterestimations.Theresultsshowthatmostassumedfactorsdisplaystatisticalsignificanceeffectonthefarmer’swillingnesstotakepartintheruralcooperativefinancingorganizationsbutwithdifferentlevelofsensitivity.Thecauseandeffectarefullydiscussedfollowingbyaddressingpolicyissuesrelatedtotheruralfinancingcooperativereforms.

简介：1.IntroductionForanyonepayingattention,thisisadisruptivetimeinscienceingeneralandinhealthpromotionscienceinparticular.Obesityisthemostprevalentnutrition-relatedhealthproblemaroundtheglobe.Theissueofwhether,asiscommonlythought,obesityiscausativeofearlymortalityorwhetheritisonlyamarkerofriskhasbeenraised.Thelackofsubstantialandmaintainedchangeinchildobesitypreventionhasbeenrecognized,andnumerouslimitationsinourconceptualandmethodologicalapproachtoobesitypreventionhavebeenidentified.

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简介：有分叉的烃链的酚衍生物的聚集和deaggregation行为在CH3OH和缓冲区答案被学习了。有聚集数字测量和房间粘附实验的联合，目标分子的deaggregating能力上的结构效果被讨论。结果显示2-phytyl-4-methoxylphenol(11)是在学习的系统的最有效的deaggregator。

简介：在激光，微波和类似的技术的进展导致了包含皮组织的热治疗的最近的开发。这些处理的有效性被管理由联合了影响织物的热、机械、生物、神经的回答：一个有利相互作用相对小的疼痛和没有持续副作用地导致一个过程。当前，尽管每个行为的方面到建立并且理解的某个程度，任何一个都不在学科交差的区域存在到日期。一条高度学科交差的途径为学习皮肤的biothermomechanical行为被要求，包含简历热转移，简历力学和生理学。对这个题目恰当的全面文学评论在这篇论文被介绍，盖住四个题目区域：(a)皮肤结构，(b)皮肤简历热转移和热损坏，(c)皮肤简历力学，和(d)皮肤biothermomechanics。为进一步的研究的主要问题，问题，和话题也被构画出。这评论发现在每这些方面的重要进展在最近的年里被完成了。尽管焦点被放在皮肤织物的biothermomechanical行为之上，在这篇论文考察的基本概念和方法论可能也为学习另外的软纸巾是适用的。

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简介：Theeffectsofarseniconthecathodepolarizationprocessinzincelectrowinning,itskineticsequation,parametersandpolarizationmechanismwerestudiedbymultipleelectrochemistryapproaches.Theexperimentalresultsshowthat,if[As3+]≥3mg/L,electrowinningfirstentersintostationarypassivationrange,andthenentersintoprecipitationrange,whichindicatesthatthedepolarizationfunctionofimpurityarseniciszincelectrowinning.

简介：Thephotoelectrochemicalbehaviorofpolyaniline（PAn）filmwasstudiedinaqueouselectrolytesolutioncontainingFe（CN）63-/Fe（CN）+4-redoxcouple.ItwasfoundthatPAnfilmspossessthepropertiesofp-typesemiconducterandacathodicphotocurrentashighas700μA/cm2wasobservedwhenirradiatedunderpolychromaticlightof100mW/cm2.