简介：针对电厂除灰渣系统渣浆泵流量过大,水耗、电耗过高的状况,对渣浆泵叶轮进行了切割改造,从而取得了显著的节电、节水效果.

简介：1．离子型稀土资源开发现状以江西为例，江西省是我国离子型稀土矿发现最早并实现工业化开采的省份。资源储量占全国储量的35％，在世界稀土产业界占有举足轻重的地位。其资源主要分布在赣南。稀土矿开采规模能力已超过1万吨／年，占全国离子矿产量的60％～70％。

简介：RTD型变功率高效节能台车式电阻炉是集四项专利为一体的高效节能产品,可广泛地用于工业企业进行金属部件和材料的正火、退火、淬火等热处理及精密铸造中的模壳焙烧。该炉主要由炉体、轨道和控制柜等组成,其设计合理,结构新颖,技术比较先进。经国家电炉质量监督检验测试中心检测,各项技术指标优于国家标准,居同类产品的先进水平。

简介：镍都实业公司是金川集团有限公司产品结构调整及产品链延伸和资源综合利用不可分割的重要组成部分。本文阐述了作者对于当前循环经济政策的几点认识，总结了镍都实业公司在建设循环经济新型企业方面的一些经验，重点介绍了镍都实业公司“十二五”期间循环经济工作方面的思路和计划，并对未来循环经济企业的构建提出了几点建议。

简介：Glasseswiththecompositionof65GeO212Ga2O3-10BaO-8Li2O-5La2O3(molarratio)dopedwith1.526wt.%,3.006wt.%,5.836wt.%,11.028wt.%,and15.678wt.%Tm2O3,respectively,werefabricatedbyconventionalmeltingmethod.AccordingtotheabsorptionspectraandtheJudd-Ofelttheory,theJ-Ostrengthparameters(Ω2,Ω4,Ω6)werecalculated,withwhichtheradiativetransitionprobabilities,branchingratiosandradiativelifetimeswereobtained.Theinfraredemissionspectra(with808nmLDexcitation)at～1.47and～1.8μmofvariousconcentrationsofTm3+-dopedglasseswerestudied.Theemissionintensityat～1.8μmreachedtothemaximumwhentheTm2O3-dopingconcentrationwasneartobe～3.006wt.%(1.0mol.%),andthendecreasedasdopingconcentrationincreasedfurther.Themechanismofthefluorescenceintensitychangewasexplainedwiththecross-relaxationeffectandtheconcentrationquenchingeffectofTm3+.Meanwhile,accordingtoMcCumbertheory,theabsorptionandemissioncross-sectionscorrespondingtothe3F4→3H6transitionsofTm3+at1.8μmwasobtained.ForTm3+-dopedgermanateglasses,themaximumemissioncross-sectionreachedavaluehigherthanthatre-portedforfluorozircoaluminateglasses.Itisexpectedtobeafavorablecandidatehostfor～2.0μmmid-inflatedlaserbecausetheglassshowsfavorableopticalspectra.

简介：Theaimofthisresearchistopulseco-depositnano-CeO2particlesintoNi-W-Balloycoatingsinordertoimprovethesurfaceproperties.Theinfluenceofpulsefrequencyanddutycircleondepositionrate,microhardnessandmicrostructures,andtheinfluenceofheattreatmenttemperatureonphasestructures,microhardnessandabrasivityofNi-W-B-CeO2compositecoatingswereinvestigated.Theresultsindicatedthatthepulseco-depositionofnickel,tungsten,boronandnano-CeO2particlefromthebathwhichnano-CeO2particlewassuspendedbyhighspeedmechanicalstirringledtotheNi-W-B-CeO2compositecoatings,possessingbettermicrohardnessandabrasionresistancewhenheat-treatedat400℃for1h.Themicrohardnessas-depositedwith636Hzandthedepositionratewith0.0281mm·h-1wasthehighestatpulsefrequencywith1000Hzandpulsedutycirclewith10%.Microstructuresanalysisdisplaysthatdecreasingpulsedutycycleleadstorefinementingrainstructuresandtheimprovementofmicrostructures.X-raydiffractionshowsthatthecompositecoatingas-depositedwasmainlyintheamorphousstateandpartiallycrystallized,butwhenheattreatedat400℃,thecrystallizationtrendwasstrengthenedfurther.

简介：通过运用工艺流程参数梳理,分析影响余热发电的制约原因,找出关键影响因素,并提出必要可行的措施,包括优化原料结构、强化烧结生产操作、完善现有工艺条件以及加强设备管理等.经过一系列有效措施的制定并实施后,余热发电量明显提升,在降低工序能耗的同时实现了稳定高效生产.

简介：ＥｌｅｃｔｒｏｎＭｉｃｒｏｓｃｏｐｉｃＩｎ－ｓｉｔｕＯｂｓｅｒｖａｔｉｏｎｆｏｒＰｒｅｐａｒａｔｉｏｎｏｆＵｌｔｒａｆｉｎｅＬａ２Ｏ３ＮａｎｏｐｈａｓｅＰｏｗｄｅｒＧａｏＹｕｚｕｎ（高愈尊），ＬｉＹｏｎｇｈｏｎｇ（李永洪），ＺｈａｎｇＴａｉｓｏｎｇ...

简介：OpticalabsorptionandemissionintensitiesofNd3+ioninKLu(WO4)2crystalwereinvestigated.BasedontheJudd-Offelttheory,wecalculatedthefollowingspectralparameters:phenomenologicalintensityparametersΩ2=5.567×10–20,Ω4=3.597×10–20,andΩ6=3.800×10–20cm2.Theradiativelifetimeoflevels4F3/2was182.58μs.Thefluorescencebranchingratioforthetransition4F3/2→4I11/2was46.98%.Inaddition,theradiativetransitionprobabilitiesAJ,J’,oscillatorstrengthsPJ,J’andthevaluesofinte...

简介：ＳｔｕｄｙｏｎＭｏｒｐｈｏｌｏｇｙｏｆＳｕｒｆａｃｅｏｆＬａｒｇｅＡｒｅａＹＢＣＯＴｈｉｎＦｉｌｍｓｏｎＺｒ（Ｙ）Ｏ２ＳｕｂｓｔｒａｔｅＷａｎｇＲｕｉｋｕｎ（王瑞坤），ＳｕｎＬｉｈｏｎｇ（孙丽虹），ＬｉｕＨｏｎｇｆｅｉ（刘鸿飞）ＷａｎｇＸｉａｏｐｉ?..

简介：通过对2号常化酸洗线活套支撑小车弹簧式力矩卷筒进行了改进,提高了弹簧式力矩卷筒本体的强度及钢丝绳的破断拉力强度,延长了弹簧式力矩卷筒的使用寿命,降低了力矩卷筒失效频率,提高了设备的有效开动率,为设备点检和维护创造了良好的条件,满足了正常生产的管理要求,确保了生产的正常运行。

简介：采用高温固相法合成尖晶石LiMn2O4，并以化学沉积方式对其进行包覆氧化钴的表面处理。通过X射线衍射（XRD）、扫描电镜（SEM）等技术对表面处理前后的LiMn2O4进行表征，分析了表面处理后LiMn2O4物理特性的变化，并结合电化学性能测试，研究了表面处理及其工艺和条件对LiMn2O4电化学容量与循环性能的影响。结果表明，表面处理后LiMn2O4循环性能显著提高。随氧化物含量的增加，循环性能提高，容量降低。未经表面包覆的LiMn2O4首次充放电容量为108．13mAh／g，50次循环充放电后容量衰减26．3％。500℃加热处理的表面包覆0．5％、2％氧化钴的LiMn2O4首次循环放电容量各为118．38mAh／g、115mAh／g，经过50次充放电循环后，容量分别降低8％、7％。

简介：高度有效的Tb3+激活SrAl2O4黄磷被一个联合combustionsolid状态反应方法综合。SrAl2O4的先锋:Tb3+黄磷经由一个燃烧过程被准备，然后同样准备的粉末被加热在一减少在1250点的激活的碳周围??慥獲？

简介：DyPt2filmswerepreparedbyalternatedepositionthinDyandPtlayersonglasssubstratesbyDCmagnetocontrolledsputteringmethod.TheXRDdataindicatedthatforas-depositedDy/Ptfilms,andtheperiodiclayeredstructuresalongthicknessdirectionwereevidencedwithlowangleX-rayscattering.Withincreasingannealingtemperature,thecompoundsofDyPt,DyPt2andDyPt3wereformedsuccessivelyattemperaturerangingfrom300to400℃.ItwasfoundthatthecompositionreactionDyPt+DyPt3→2DyPt2tookplaceat500℃.Afterannealingat500℃for1h,thecompoundsDyPtandDyPt3transformedcompletelyintotheDyPt2compound.

简介：主要介绍了265m2烧结机自动化控制系统的结构及其主要控制功能,分析了故障诊断与报警、联锁的设计特点.该系统投运两年多来,运行平稳、质量可靠,取得了较好的成效.

简介：Forthegoalofsulfurrecovery,mostmethodsareaimedatthetailgaswithhigh-concentrationH2S,butfeweffectivemethodsareusedforlow-concentrationH2S.Inthiswork,Low-concentrationH2Scouldbepurifiedwellbyliquidphasecatalyticoxidation(LCO),andthesulfurresourcecouldalsoberecovered.TheabsorptionsolutionwaspreparedbyFeCl3andsulfosalicylicacid.Undertheexperimentalconditions,theconversionofH2StoScouldbemaintainedabove94%at60℃.InordertoenhancetheeconomicalefficiencyofLCOmethod,theabsorptionsolutionwasmodifiedbydopingCe,andaseriesofexperimentsweredesignedtoinvestigateitsperformance.TheresultsshowedthattheconversionofH2Shadnoobviousimprovement,butabove98%conversioncouldbegainedat60℃,andtheH2Sconversionratewasenhanced.TheoptimumadditionqualityofCe(NO3)3was0.08gto50mlFe3+solution.

简介：据行业网站报道，台湾烨联百分百转投资子公司“福建联德企业”的4条矿热炉（RKEF）镍铁生产线陆续运转，可于2月份全部投产，未来全产能可达到20万吨，可提供不锈钢厂炼钢使用。

简介：印尼国有镍金生产商PTAnekaTambang（Antam）的高级官员周二表示，公司计划建一年产能为2—2．7万吨镍的镍铁冶炼厂。

简介：TheeffectsofUVAphotoirradiatedCe(Ⅳ)dopedTiO2nanoparticle(CDTP)onratcoloncarcinomacellline(C26)growth,cellcycledistribution,andmorphologywerestudiedbyMTTassay,FlowCytometry,andfluorescentstaining.Theresultsindicatethatabout64.6%cellsarekilledafter24hby180μg·ml-1CDTPwhen8minexposedtoUVA,over90%deadfor30mingroup,relativeto18.7%,41.5%ofTiO2atthesameconditionrespectively.Hoe33258stainingofthefixedcellsrevealstypicalapoptoticstructures(apoptoticbodies),andcellsarearrestedinG0/G1phase.

简介：ThemorphologyandcorrosionbehaviorofNi/Al2O3compositecoatingspreparedusingdouble-pulsedelectrodepositingtechniqueafteroxidizedunder800℃NaCldepositinairenvironmentwereanalyzedbyscanningelectricalmicroscope(SEM),X-raydiffraction(XRD)andenergydispersivespectrum(EDS).TheresultsshowedthatthecorrosionofallcompositecoatingswasacceleratedunderNaCldeposits,andthecorrosionproductswereratherporouswithpooradherencetothematrix.Al2O3particlesinthecoatingscanrefinethegrainsizeandimprovethehightemperaturecorrosionresistanceofthecoatings.Withinthetestscope,themoreAl2O3particlesinthecoatings,thelowercorrosionratescouldbeobtained,andthecorrosionmechanismwasalsodiscussed.