Ternary Na2O-Fe2O3-P2O5 glasses with different ratios of Na2O/Fe2O3,Na2O/P2O5,and Fe2O3/P2O5 were first prepared.The density,chemical stability and crystall
High-yielded Bi2Te3 hexagonal nanoplates with average size from 650.8 to 736.5 nm and nanoscaled Bi2Te3 nanoparticles with a size of 91.4+2.2 nm were fabric
Glass is a transparent,heat resistant and chemically durable material,which is adopted in a variety of applications.For pharmaceutical applications such as
小叶地不容(Stephania succifera Lo et Y. Tsoong)是防己科(Menispermaceae)千金藤属(Stephania)植物,该属植物在民间常用于解热、镇痛、抗菌消炎。国内外研究表明,该属植物块根主要含异喹啉类生物碱,这类生物碱具有抗肿瘤、抗疟疾、降压等多种药理活性。文献报道小叶地不容中主要含克班宁等生物碱,但未深入研究其生物活性和其他活性成分,为了寻找和确定其中