简介:本文根据某高层建筑物监测的动态数据,用灰色理论的方法,建立等维新息模型,能较好地预测该建筑物的沉降发展趋势
简介:XunwuRareEarthCorporationhasintroducedP507reductionextractionprocessfromAnhuiRe-searchInstituteofMetallurgytoprepareeuropiumoxideoffluorescentgradeinonestep.Theprocesshasbeenemployedinaproductionlineinthecorpo-ration.Andafterthreemonthsindustrialexperi-ment,allthetechnicalindexesreachedthedesigned