As typical nonferrous metallurgical processes,hydrometallurgical processes are used extensively to recover elemental zinc from raw ores.Accurate system models must be established to increase automation of hydrometallu...As typical nonferrous metallurgical processes,hydrometallurgical processes are used extensively to recover elemental zinc from raw ores.Accurate system models must be established to increase automation of hydrometallurgical zinc processes with strict energy and environmental requirements.However,the modeling of such processes is hindered by their complex production characteristics and process mechanisms.In this review,we summarize some process modeling issues arising in zinc hydrometallurgy and provide several possible solutions from the perspective of our research work.展开更多
There is compelling evidence to substantiate the notion that oxidative stress,in which the production of reactive oxygen species(ROS)overwhelms antioxidant defense,is a common feature of many acute and chronic disorde...There is compelling evidence to substantiate the notion that oxidative stress,in which the production of reactive oxygen species(ROS)overwhelms antioxidant defense,is a common feature of many acute and chronic disorders.ROS,the antioxidant system,and multiple redox factors underlie the pivotal roles of acupuncture on oxidative stress.Given the complexity of action mechanisms of acupuncture on oxidative stress,additional studies are needed to identify the most crucial mechanism that is applicable not only in animal models but also in patients suffering from oxidative damage.展开更多
基金supported by the National Science Fund for Distinguished Young Scholars of China(Grant No.61025015)the Science Fund for Creative Research Groups of the National Natural Science Foundation of China(Grant No.61321003)Joint Fund of Hunan Provincial Natural Science Foundation of China(Grant No.13JJ8003)
文摘As typical nonferrous metallurgical processes,hydrometallurgical processes are used extensively to recover elemental zinc from raw ores.Accurate system models must be established to increase automation of hydrometallurgical zinc processes with strict energy and environmental requirements.However,the modeling of such processes is hindered by their complex production characteristics and process mechanisms.In this review,we summarize some process modeling issues arising in zinc hydrometallurgy and provide several possible solutions from the perspective of our research work.
基金supported by the National Natural Science Foundation of China(Grant Nos.30801483, 81222050,81303122)the Beijing Nova Program (Grant No.2014B063)
文摘There is compelling evidence to substantiate the notion that oxidative stress,in which the production of reactive oxygen species(ROS)overwhelms antioxidant defense,is a common feature of many acute and chronic disorders.ROS,the antioxidant system,and multiple redox factors underlie the pivotal roles of acupuncture on oxidative stress.Given the complexity of action mechanisms of acupuncture on oxidative stress,additional studies are needed to identify the most crucial mechanism that is applicable not only in animal models but also in patients suffering from oxidative damage.
