简介:Employmentisthebedrockofpeople’slivelihood.atthebeginningofthisyear,theCommunistPartyofChina(CPC)andtheChinesegovernmentpaidcloseattentiontotheissueofemployment,whichisrelatedtothevitalinterestsofmillionsofpeople.huJintaorecentlyemphasizedatthe13thgroupstudysessionofthePoliticalBureauoftheCentralCommitteeoftheCPCthatweshouldimplementamore
简介:WETLAND,animportanteco-logicalsys-tem,isofinestimablescientific,ecological,socialandeconomicvalue.Bestowedliberallywithnature’sbounty,Chinaboastsvarioustypesofwetland,andduringthepastyearshasbuiltover130wetlandnaturereserves,ofwhichtenpercentareat
简介:通过三步合成(E)-二(对3-硝基苯甲酸)乙烯(C16H10N2O8)配体,并由此通过溶剂热法合成金属有机框架材料Zn2(EBNB)2(BPY)2·2H2O;采用x射线单晶衍射分析、红外光谱(IR)和热重分析(TG)等对所得结构进行表征,并测试其荧光性能;以洛贝林为模型药物,研究了Zn2(EBNB)2(BPY)2·2H2O对该药物的载药及体外释药性能。研究结果说明,Zn2(EBNB)2(BPY)2·2H2O对洛贝林的最高载入量达0.355g/g,载药体系的体外释药为明显的两相模式。体外细胞毒性实验结果表明,Zn2(EBNB)2(BPY)2·2H2O具有良好的生物相容性。