简介:浙江省岱山县日前与浙江绿能投资有限公司签订协议,计划由该公司投资20亿元,在岱山县拷门海塘附近60km^2浅海海域,规划建设100台2000kw巨大风机,总装机容量达20万kW。据悉,该海上风电场建成后,将成为亚洲最大的海上风电场;
简介:Lanthanumchlorideα-D-ribopyranosepentahydratecomplexwaspreparedandspeculateditsstructurefromthesimilarIRspectraofcorrespondingpraseodymiumandneodymium-D-ribosecomplexes,whichrevealthecoordinationbehaviorofD-ribosetolanthanideionsandgiveusamodeloftheinteractionsbetweenmetalionsandcarbohydrates.
简介:Thesimplemodelfor4f-5dtransitionsoflanthanideionsincrystalswasextendedtodealwiththecaseoftheoctahedralcrystalfield,whereforthet2componentof5dorbitalsthespin-orbitinteractioncouldnotbeneglectedduetoincompletequenchingofthe5dorbitalangularmomentum.Theenergylevelsforthe4fN-15dconfigurationandtherelativelinestrengthsforthe4fN4fN-15dtransitionwerecalculatedindetail.Theresultwasappliedtotheinterpretationofthelow-temperature4f-5dexcitationspectrumofCs2NaYCl6∶Tb3+.