简介：Ca-dopedBaMgAl10O17:Eu2+,Mn2+(BAM)bluephosphorsweresynthesizedbyfluxassistedsolid-statereactionmethodusingCaF2andBaF2asco-flux.GooddispersityandparticlesizehomogenizationofhexagonalpurephaseBAMwereobtainedbysinteringat1400℃.TheeffectsoftheCa2+ionscontentonthestructure,morphologyandphotoluminescencepropertiesofthephosphorswerestudied.TheresultsindicatedthattheincorporationofCacoulddecreasethelatticeconstant,improvethehomogeneityanddispersityandenhancethephotoluminescence(PL)intensityofthephosphoreffectively.TheoptimumBa0.86Ca0.04Mg0.97Al10O17:0.1Eu2+,0.03Mn2+PLintensitywasenhancedforabout30%andrelativebrightnesswasimprovedabout4%.Furthermore,thesynthesizedBAMandcommercialBAMphosphorswereannealedfor30minat600oCinair.TheCa-dopedphosphorshadstrongeremissionintensity,higherbrightnessandbetterchromaticitystabilitythanthatofthecommercialphosphor.TheseresultsindicatedthatCa-dopedbluephosphorshadgoodpotentialapplicationsinthecommercialtricolorfluorescentlampsaswellasinotherdisplayandlamps.

简介：本文论述了通过理念引领、行为训练、机制保证的综合效能，培育“想安全、会安全、懂安全”的本质型安全人，探索建立安全生产的长效机制，对于实现企业长治久安、健康发展具有十分重要的现实意义。

简介：以Fe、C包覆金红石型TiO2（Fe-C-R）为光催化剂，以阿特拉津作模型污染物，研究了Fe-C-R可见光催化H2O2降解阿特拉津的反应特性。表明Fe-C-R能可见光催化H2O2降解阿特拉津，反应45min，阿特拉津的降解率达98％；通过对反应体系的荧光光谱分析显示，阿特拉津的降解涉及羟基自由基（·OH）的产生与参与，并且与单纯的金红石型TiO2（R）降解阿特拉津的反应机理是不同的。