2,4 dihydroxyacetophenone thiosemicarbanzone and their complexes of copper(Ⅱ), nickel(Ⅱ) and cobalt(Ⅱ) have been synthesized and characterized by elemental analysis, electronic absorption spectrum, Infro Red spectr...2,4 dihydroxyacetophenone thiosemicarbanzone and their complexes of copper(Ⅱ), nickel(Ⅱ) and cobalt(Ⅱ) have been synthesized and characterized by elemental analysis, electronic absorption spectrum, Infro Red spectrum, molar conductizity and magnetic susceptiibility. The antibacterial activity of these new complexes was examined.展开更多
本文从密度泛函理论出发,获得绝对硬度η的算式:η=1/2(I—A)。这里I 和 A 分别为电离势和电子亲合能。对于无法获得 A 值的化学体(原子或离子),本文提出用半径和轨道能级数作计算的算式。本文还从绝对硬度均等化原理,着重讨论了金属羟...本文从密度泛函理论出发,获得绝对硬度η的算式:η=1/2(I—A)。这里I 和 A 分别为电离势和电子亲合能。对于无法获得 A 值的化学体(原子或离子),本文提出用半径和轨道能级数作计算的算式。本文还从绝对硬度均等化原理,着重讨论了金属羟配水合离子与皮革化学鞣性的关联,结果与实验事实是一致的。特别是本文第一次定量地讨论了鞣性问题。展开更多
文摘2,4 dihydroxyacetophenone thiosemicarbanzone and their complexes of copper(Ⅱ), nickel(Ⅱ) and cobalt(Ⅱ) have been synthesized and characterized by elemental analysis, electronic absorption spectrum, Infro Red spectrum, molar conductizity and magnetic susceptiibility. The antibacterial activity of these new complexes was examined.
文摘本文从密度泛函理论出发,获得绝对硬度η的算式:η=1/2(I—A)。这里I 和 A 分别为电离势和电子亲合能。对于无法获得 A 值的化学体(原子或离子),本文提出用半径和轨道能级数作计算的算式。本文还从绝对硬度均等化原理,着重讨论了金属羟配水合离子与皮革化学鞣性的关联,结果与实验事实是一致的。特别是本文第一次定量地讨论了鞣性问题。