行为药理学作为药理学的一个分支,其发展历史已有50余年。从1955年Peter Dews发表其代表性论文《Studies on behavior.I》以来,行为药理学从无到有,已经发展成为一个活跃的、生机勃勃的新学科。本文拟回顾行为药理学的发展历程,理清其...行为药理学作为药理学的一个分支,其发展历史已有50余年。从1955年Peter Dews发表其代表性论文《Studies on behavior.I》以来,行为药理学从无到有,已经发展成为一个活跃的、生机勃勃的新学科。本文拟回顾行为药理学的发展历程,理清其历史发展的脉络,并就行为药理学当前发展的状况作一综述。本文还将提出行为药理学研究中所应注意的几个问题供讨论。展开更多
Flotation behavior and adsorption mechanism of octyl hydroxamic acid(OHA)on wolframite were investigated through flotation experiments,adsorption tests,zeta-potential measurements,infrared spectroscopy and solution ch...Flotation behavior and adsorption mechanism of octyl hydroxamic acid(OHA)on wolframite were investigated through flotation experiments,adsorption tests,zeta-potential measurements,infrared spectroscopy and solution chemistry calculations.Results of flotation and adsorption experiments show that the maximum values of flotation recovery and adsorption capacity occur around p H 9.In term of the solution chemistry calculations,the concentration of metal hydroxamate is greater than that of metal tungstate and metal hydroxyl,and metal hydroxamate compounds are identified to be the main species on wolframite surface at p H region of 8-10,contributing to the increase of OHA adsorption and flotation performance.Results of zeta-potential and IR spectra demonstrate that OHA adsorbs onto wolframite surface by chemisorptions.Hydroxamate ions can bond with Mn_2+/Fe_2+cations of wolframite surface,forming metal hydroxamate compounds,which is a key factor in inducing the hydrophobicity of wolframite under the conditions of maximum flotation.展开更多
文摘行为药理学作为药理学的一个分支,其发展历史已有50余年。从1955年Peter Dews发表其代表性论文《Studies on behavior.I》以来,行为药理学从无到有,已经发展成为一个活跃的、生机勃勃的新学科。本文拟回顾行为药理学的发展历程,理清其历史发展的脉络,并就行为药理学当前发展的状况作一综述。本文还将提出行为药理学研究中所应注意的几个问题供讨论。
基金Project(2014CB643402) supported by the National Basic Research Program of ChinaProject(CX2013B082) supported by the Hunan Provincial Innovation Foundation for Postgraduate,China
文摘Flotation behavior and adsorption mechanism of octyl hydroxamic acid(OHA)on wolframite were investigated through flotation experiments,adsorption tests,zeta-potential measurements,infrared spectroscopy and solution chemistry calculations.Results of flotation and adsorption experiments show that the maximum values of flotation recovery and adsorption capacity occur around p H 9.In term of the solution chemistry calculations,the concentration of metal hydroxamate is greater than that of metal tungstate and metal hydroxyl,and metal hydroxamate compounds are identified to be the main species on wolframite surface at p H region of 8-10,contributing to the increase of OHA adsorption and flotation performance.Results of zeta-potential and IR spectra demonstrate that OHA adsorbs onto wolframite surface by chemisorptions.Hydroxamate ions can bond with Mn_2+/Fe_2+cations of wolframite surface,forming metal hydroxamate compounds,which is a key factor in inducing the hydrophobicity of wolframite under the conditions of maximum flotation.
