简介：本文着重介绍了ＺｎＡ１ＲＥＭｇ四元热镀合金在手工镀锌行业的应用情况，提出了该合金在手工浸镀时的理想工艺参数，并进一步闸明：ＺｎＡ正ＲＥＭｇ合金镀层较纯锌镀层减薄１／３，抗蚀性能较单一锌镀层提高１－２倍。

简介：1前言1#主电室是一轧钢厂的高压电气中枢,除了三台频繁启,停的1#、2#、3#轧钢主电机外,还有1#、2#高压进线,1#、2#变

简介：Whitebody-color(Y,Gd)BxV1-xO4-x:Eu3+phosphorswerepreparedbycoprecipitationreaction.UnderVUVexcitationat147nm,theredemissioncolorimetricpurityof(Y,Gd)BxV1-xO4-x:Eu3+phosphorismuchbetterthanthatofcommercialPDP(plasmadisplaypanels)phosphor(Y,Gd)BO3:Eu3+.Butitsrelativeemissionintensityisonlyabout90%ofthecommercialphosphor.

简介：分析原除尘器除尘效率低的原因，详细介绍除尘器改造方案及SMLXW-35型湿法脱硫除尘原理。通过改造，使除尘效率提高到98％，同时解决了脱硫的问题，完全达到了环保的要求。

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简介：本文主要介绍抽烟机电机转子动不平衡的解决方法。

简介：ThemagneticpropertiesandthephasestructureofTb1-xPrxFe1.96(x=0,0.1,...,0.7)werestudied.ItisfoundthatthesaturationmagnetizationoneasyaxisisdecreasedwithincreaseofPrcon-tent,from77.24Am^2·kg^-1forx=0,reducestominimumvalueof11.84Am^2·kg^-1forx=0.5,andreturnesto37.14Am^2·kg^-1forx=0.7.Thenon-cu-bicphasesappearbeyondx=0.2andthematrixchangesfrom1:2phaseforx=0to1:3phaseforx=0.4,atlastto2:17phaseforx=0.7.Thecom-poundsstructurewouldturnmorecomplexasthePrcontentincreases.

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简介：中国冶金企协装备分会第二次常务理事扩大会议于1993年9月22日至23日在浙江省温州市举行．参加会议的正式代表21名，三位老部长李非平、林华、周传典是分会的高级顾问应邀参加了会议．12名常务理事和邀请的6位理事出席了会议。这次会议的内容是：(一)汇报分会一年来工作情况；(二)听取对下一步工作的意见；(三)讨论增补理事等事宜。

简介：ThetransportpropertieswerestudiedforrareearthmanganeseoxideLa0.67Cao.33Mn1-xFexO3(x=0-O.3)systems.ItisfoundthatwithincreasingFe^3+-dopingcontentx,theresistanceincreasesandtheinsulator-metaltransitiontemperature(T1M)shiftstolowertemperature.Ifthedopingcontentissmall,thetransportpropertiesmanifestmetalliccharacteristicsinthetemperaturerangeofT＜T1M,whiletheywillobeyathermalactivationmodelinthetemperaturerangeofT＞T1M.SuchabehaviormaybeattributedtotheFe^3+-dopingandpossibleMnionsscatteringtoelectrons.TheFe^3+dopingmayleadtotheformationofFe^3+-O^2--Mn^4+channels,whichcouldterminatethedoubleexchangeMn^3+-O^2--Mn^4+channels.TheantiferromagneticclustersofFeionsmayinducetheMnionstoscettertotheelectrons.

简介：Theeffectofanexternalelectricfieldonthecrystallizationbehaviorofamorphous(Nd0.1Fe0.9)3Balloywasinvestigated.ThecrystallizationproductofNd2Fe23B3phasewasobtainedforthisamorphousalloyannealedat923Kfor300sinthepresenceofanexternalelectricfieldof300kV·m-1(50Hz);whilethecrystallizationproductsareNd1.1Fe4B4,α-Fe,andFe3Bphasesunderthesameannealingconditionexceptforfree-electricfield.Ontheotherhand,thesampleswereannealedat1023K,whichishigherthanthedecompositiontemperatureofmetastableNd2Fe23B3phase,for600s.Inthecaseofthepresenceofanexternalelectricfield,themetastableNd2Fe23B3phase,asamainphase,isstillstayedinthesample.ThisfactsuggeststhattheexternalelectricfieldenhancesthestabilizationofthemetastableNd2Fe23B3phase.Theeffectoftheexternalelectricfieldonthephaseselectionandstabilizationwasexplainedintermsofthespecificconductancedifferencebetweenthecrystallizationproducts.

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