简介:Theoneplusone(1+1)modeofhydrosilationreactionofladderlikecis-isotaticpolyallylsilsesquioxane(AllyI-T)andpolyhydrosilsesquioxane(H-T)usingdicyclopentadienylplatinumdichloride(Cp2PtCl2)asthecatalystleadstotheformationofanewpolyorganosiloxane(POS).ThepresenceofnanoscaletubularstructureintheproductPOSwaspreliminarilyprovedbyIR,1H-NMR,differentialscanningcalorimetry(DSC),X-raydiffraction(XRD),gelpermeationchromatography(GPC),atomicforcemicroscopy(AFM)andmolecularsimulation.
简介:OnDecember28,2000,theretrofittingprojectbyusing410t/hCFBCboilerinFengyiPowerPlant,JiangxiProvincewasstartedformally,whichindicatesthattheresearchanddevelopmentofcleancoalcombustiontechnologyinChinahasmadeasignificantbreakthrough.The410t/hCFBCboileradoptedint
简介:利用模糊点与模糊集的关系,引入了BCH-代数的(∈,∈∨q)-模糊H-理想、(■,■∨)-模糊H-理想和(s,t]-模糊H-理想的概念,指出了Hu-模糊H-理想、(∈,∈∨q)-模糊H-理想和(■,■∨)-模糊H-理想均为(s,t]-模糊H-理想的特例,讨论它们与其相应的水平H-理想的关系.(s,t]-模糊H-理想的同态象和同态原象是否成为(s,t]-模糊H-理想被研究,(s,t]-模糊H-理想的交与笛卡儿积被讨论.