简介：‘JournaloftheChineseRareEarthSo-ciety’hasbeenpublishedinChinesewithEnglishabstractssince1983.Ithasexpeditedthedevelopmentofrareearthresearch,technologyandapplicationsinChina,promotedtheacademicexchangeathomeandabroad.Inordertomakeitmoreaccessibletoforeignscientists,twoeditions(ChineseandEnglish)willbepublished,startingfromVolume8,1990.TheEnglishVersionhasfourissuesan-nually,reportingoriginalresearchesintheformofarticles,notesandcommuni-cations.AnindexofrareEarthbiblio-graphywillbeincludedineachissue.Mini-reviewsontopicsofcurrentin-terestandbriefintroductionofrareearthresearchinstitutes,laboratories,Factories,companiesanddistinguished

简介：随着瓦斯利用行业的快速发展，瓦斯发电机组技术也逐步成熟，特别是进口发电机组，不但效率高而且运行稳定，但在运行期间也会出现问题，本文以2台J420GSA瓦斯发电机组为例，简要分析该机组在淮南煤矿运行当中所出现过的三大故障及其排除方法。