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简介：CdSthinfilmsweredepositedbytheionlayergasreaction(ILGAR)method.Structural,chemical,topographicaldevelopmentaswellasopticalandelectricalpropertiesofas-depositedandannealedthinfilmswereinvestigatedbyXRD,SEM,XPS,AFMandUV-VIS.Theresultsshowedthatthethinfilmsareuniform,compactandgoodinadhesiontothesubstrates,andthegrowthofthefilmsis2.8nm/cycle.Theevolutionofstructureundergoesfromthecubicstructuretothehexagonalonewithapreferredorientationalongthe(002)planeafterannealingat673K.AnamountofC,OandClimpuririescanbereducedbyincreasingthedryingtemperatureorbyannealinginN2atmosphere.ItwasfoundthatthebandgapoftheCdSfilmsshiftstohigherwavelengthafterannealingorincreasingfilmthickness.Theelectricalresistivitydecreaseswithincreasingannealingtemperatureandfilmthickness.

简介：2010年3月29日海关总署发布《关于对重点固体废物实施分类装运管理》的公告，自2010年6月1日起，对废金属、废塑料、废纸（以下简称“重点固体废物”）进口实施分类装运管理。该新规对重点固体废物进口的运输装载形式作了较为明确规定，没有按规定实行分类装运的进口重点固体废物将无法顺利通关。

简介：重金属包含pickling污泥(PS)是纯洁链钢的工业的副产品之一，它由于包含的铬和镍被认为危险。处理的PS的传统的方法是垃圾堆和水泥团结。这研究针对由团结/稳定处理PS并且作为glassceramics的一个成核代理人再使用它。结晶化行为和在CaOMgOSiO2艾尔2O3系统被把PS看作成核代理人学习。试验性的结果证实那介绍14?glassceramics的成核代理人能减少的wt%PS在110.8的结晶化温度?渠扯摯?猤映潯吗？

简介：Recoveryprocessesofsecondaryresourcesusuallyencounterproblemsbecauseofthediversecompositionsofwastes.Toenhancetheapplicabilityoftraditionalhydrometallurgicalprocesstowardsecondaryresources,theadjustmentofcomponentsisnecessary.Intraditionalhydrometallurgicalseparation,precipitationandcomplexationareextensivelyused.However,theircombinationasaspecificmetalseparationmethodhasnotyetbeenstudiedindetail.Thisapproachisverypromisingforsolvingproblemscausedbychangeablecomponentsduringrecyclingprocessesofsecondaryresources.Thispaperreviewstheeffectsofprecipitationandcomplexationinmetalseparationprocesses,andametalseparationmethodsystemof‘‘complexation–precipitation’’developedtoadjustthecomponentsofsecondaryresourcesisintroduced.

简介：Vanadiumnitridewassynthesizedbyone-stepmethodusingV2O5andcarbonblackasrawmaterialsinnitrogenatmosphere.ThephasesofdifferentreactionproductspreparedindifferentreactiontemperatureswereanalyzedbyX-raydiffraction(XRD),andthedynamicbehavioroftheprocessofsynthesizingvanadiumnitride(VN)byone-stepmethodwasstudiedwithnon-isothermalthermogravimetry.Themechanismfunctionandkineticparametersofreactionprocesswerecalculatedbythermalgravimetricanalyses(TGA),andthereactionrateequationwasestablished.TheXRDresultsshowthatforthesamplestestedwithminimalVNafterholdingfor4hat1273K,themainphaseofproductsisVNat1476K,whilesomevanadiumnitridestransformintovanadiumcarbidesagainover1573K.ItisfoundthatN2isbeneficialtostimulatereductionandproceedcarbonizationreaction,andthereductionandnitridationreactioncanoccursimultaneously.TheactivationenergyofpreparingVNbyone-stepmethodis104.005kJ·mol-1,andthefrequencyfactoris470.52at1280–1358K,and150.052kJ·mol-1and2.359104at1358–1426K,respectively.

简介：　　由中国制浆造纸研究院负责起草的即将出台.新的废纸回收分类标准从我国废纸回收利用的实际出发,将国内废纸大致分为废报纸、废牛皮纸、废包装纸板等11类,此分类基本囊括了当前造纸企业所利用的各种废纸类型.同时还对再生的新纸类别、所使用的每类废纸进行了明确规定.新标准的出台意味着我国对废纸回收将有标准化、系统化的管理分类机制,同时我国由回收废纸产生的再生纸发展将有望摆脱目前尴尬的局面.……

简介：有bimodal粒子尺寸的钻石/铜composites的热传导性被学习。composites与40和100颗m尺寸钻石的混合物通过液体铜的压力渗入被准备进钻石预先形成。有钻石的不同coarse-to-fine体积比率的预先形成的渗透被调查。有bimodal尺寸分发的钻石/铜composites的热传导性与从Chu开发的一个分析模型导出的理论价值相比。钻石/铜composites能到达更高热的传导性，他们的表面粗糙能被使用bimodal钻石粒子尺寸改进，这被预言。

简介：“既是挂历，又是学习垃圾分类的好教材，真不错。”从12月14日起，由北京市东城区垃圾分类工作领导小组精心设计制作的“参与垃圾分类、建设绿色东城”挂历将陆续发到126个社区的4万户参与垃圾分类的居民家中。

简介：Fe(OH)3precursorsolwaspreparedbyasol-gelmethod.Theprecursorsolwasdippedontotheabsorbentcotton,andgelwasformedontheabsorbentcottontemplateafterthevolatilizationofmoisture.Fe2O3microtubulesweresynthesizedaftertheprocessofself-propagationorcalcination.Thephase,morphology,andparticlediameterofthesampleswereexaminedbyX-raydiffraction(XRD)andscanningelectronmicroscopy(SEM),andthemagneticpropertiesofthesamplesweremeasuredusingavibratingsamplemagnetometer(VSM).TheexternaldiametersofFe2O3microtubulesrangedbetween8and13μm,andthewallthicknessesrangedbetween0.5and2μm.ThetypeofthecalcinationmethodplaysasignificantroleindevelopingtheFe2O3phaseandthevariationinthemagneticpropertiesinthesol-geltemplatecomplexingmethod.γ-Fe2O3wassynthesizedbyaself-propagationmethod.However,α-Fe2O3wassynthesizedaftercalcinationat400°Cfor2h.Thecoercivityofthesamplessynthesizedbycalcinationat400°Cfor2hafterself-propagationwasfoundtoincreasesignificantly,therebypresentinghardmagneticproperties.

简介：nano石墨表/氧化铝composites被一个灵巧的受精减小过程在situ准备。composites的微观结构被X光检查衍射(XRD)分析，并且在减小以后的最后的阶段作文是艾尔2O3,金属Fe和石墨水晶。扫描电子显微镜学(SEM)图象证明Fe的粒子尺寸是大约20?nm，和石墨的lamellae厚度是大约30?nm。然后，绝缘的性质和composites的传导性的机制在0.01-1.00的频率范围试验性地被调查?由阻抗分析器的GHz。composites的介电常数的真实部分与Fe3+集中增加的结果表演，由于在Fe和艾尔23和薄片状的石墨形成的三维的网络。因此，悦耳的microtopography和nano石墨表/氧化铝composites的电的参数能被改变Fe3+集中认识到。

简介：做Al的LiVPO4F阴极材料LiAlxV1-xPO4F被反应基于carbothermal减小(CTR)处理的二拍子的圆舞准备。做Al的LiVPO4F的性质被X光检查衍射(XRD)调查，扫描电子显微镜学(SEM)，和电气化学的大小。XRD研究证明做Al的LiVPO4F有象undopedLiVPO4F的一样的三斜晶系的结构(空间组p1)。做Al的LiVPO4F的粒子尺寸比undopedLiVPO4F的小并且最小的粒子尺寸仅仅是大约1m的SEM图象展览。做Al的LiVPO4F为第二等的锂电池作为阴极材料被评估，并且展出了改进可逆性和cycleability，它可以被稳定三斜晶系的结构归因于Al3+离子的增加。

简介：Thewell-distributionspindleLiFePO4(LFP)nanoparticlesascathodeoflithiumsecondarybatteriesweresynthesizedbyasolvothermalreactionrouteatlowtemperature(180°C)inwhichtheascorbicacidwasusedasreducingagent.InordertoguaranteethatthepHvaluesofthermalsystemswerenotaffectedtoomuchandthereducibilityofthesystemwasenhancedatthesametime,glucosewaschosenasanauxiliaryreductantinthisreaction.TheobtainedpowderswerecharacterizedbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM),andlaserparticleanalyzer.Theresultsshowthatthecarbon-coateduniformspindleolivineLiFePO4/C-glucoseparticles(glucoseasauxiliaryreductant,LFP/C-G)arepreparedwiththesize500–600nmandwithoutanyimpurityphases.Theirelectrochemicalpropertieswereevaluatedbyelectrochemicalimpedancespectroscopy,cyclicvoltammetry,andgalvanostaticcharge/dischargetests.LFP/C-Ghasahigherconductivityandbetterreversiblecapabilitythancarbon-coatedLFP(LFP/C).ThehighestdischargecapacityofLFP/C-Gis161.3mAh·g-1at0.1Cand108.6mAh·g-1at5.0C,respectively.TheresultsimplythattheneatcrystalnanostructureofLFP/C-Ghasexcellentcapacityretentionandcyclingstability.Theaddingofglucoseisthekeyfactorforthewelldistributionandneatcrystalstructureofnanoparticles,thustheelectrochemicalperformancesofmaterialsareimproved.

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简介：微米大小的Sr2(P2O7):Ce，Tb绿黄磷被与它的先锋在不同温度被退火准备综合了由一同沉淀(NH4)在周围的温度的2HPO4。黄磷的阶段结构，谷物尺寸，表面形态学，和光性质被X光检查衍射调查，扫描电子显微镜，传播电子显微镜，和荧光光谱。先锋的产品在1,100点退火了的结果表演??‰浮???匠??伲?????畅？？

简介：8月4日，记者从国家环境保护部环境规划院获悉，财政部、国税总局和环保部将向国务院提交环境税开征及试点的请示。

简介：2009年8月20日，中国有色金属工业协会组织专家对中国有色集团出资企业沈阳有色金属研究院（简称沈阳研究院）完成的“SK9011浮选药剂研制及在金、铜等硫化矿选矿中的应用”科技成果进行了鉴定，一致认为该项目首次把捕收剂、调整剂、起泡剂和溶剂调配在一起，产品填补了国内外空白，整体技术达到国际先进水平。

简介：La-dopedSr-hexaferrite(Sr_(1-x)La_xFe_(12)O_(19))(x=0.05,0.10,0.15,0.20)nanopowderswithparticlesizerangingfrom80to110nmweresuccessfullysynthesizedbysol-gelauto-combustion.Thephaseformationtemperatureincreases,whiletheparticlesizedecreasesastheLadopingcontentgoesup.ThepartialsubstitutionofSr~(2+)byLa~(3+)resultsinthesuppressioneffectsonthegrowth-upofthecrystallitesandtheenhancementoftheelectronhoppingbetweenFe~(3+)withdifferentvalences,whichleadstotheimprovementinthedielectriclossandmagneticloss.Therefore,boththemicrowaveabsorbingabilitiesandabsorbingfrequencyrangesaretunedbyLa-doping.ThesynthesizedSr-hexaferritenanopowderswithdopingelementcontentof0.10demonstratethefinebroadmicrowaveabsorbingproperties.

简介：Auniformtransienttemperaturefieldmodelofelectricalcontactsoperationwasfoundbyanalyzingtheprocessofclosingarc→constrictionresistanceJouleheat→breakingarc.EssentialparametersofAg/La2NiO4electricalcontactmaterialfortransienttemperaturefieldcalculationwereobtainedthroughtestsofelectricalcontactexperimentalinstrumentunder18VDCindifferentcurrents,othercorrelationexperiments,andcalculationanalysis.Thefiniteelementmethodwasappliedtosolvethetransienttemperaturefield,andthefeaturesanddistributionofthetransienttemperaturefieldwereobtained.Theconditionofmaterialerosionandmasstransfercanbeforecastedbythosecalculationresults.ItisbeneficialtoresearchaboutthelifetimeofAg/La2NiO4electricalmaterial.