In this study,N,N＇-di-（2-methylphenyl）malonamide was synthesized and reacted with polyphosphoric acid to afford 8-methyl-4-hydroxyl-2-quinolone.Eight novel azo disperse dyes were then synthesized by linking diazoti...In this study,N,N＇-di-（2-methylphenyl）malonamide was synthesized and reacted with polyphosphoric acid to afford 8-methyl-4-hydroxyl-2-quinolone.Eight novel azo disperse dyes were then synthesized by linking diazotized p-substituted aniline derivatives with 8-methyl-4-hydroxyl-2-quinolone.The solvatochromism of these azo dyes in various solvents was evaluated.All the compounds were then evaluated for their antibacterial activity against four bacteria,namely.Bacillus subtilis.Micrococcus luteus, Salmonella enterica,and Pseudomonas aeruginosa.The results showed that some of these compounds have high levels of antibacterial activity.展开更多
Nowadays,internal combustion engine vehicles are considered as one of the major contributors to air pollution.To make transportation more environmentally friendly,plug-in electric vehicles(PEVs)have been proposed.Howe...Nowadays,internal combustion engine vehicles are considered as one of the major contributors to air pollution.To make transportation more environmentally friendly,plug-in electric vehicles(PEVs)have been proposed.However,with an increase in the number of PEVs,the drawbacks associated with the cost and size,as well as charging cables of batteries have arisen.To address these challenges,a novel technology named wireless charging system has been recently recommended.This technology rapidly evolves and becomes very attractive for charging operations of electric vehicles.Currently,wireless charging systems offer highly efficient power transfer over the distances ranging from several millimeters to several hundred millimeters.This paper is focused on analyzing electromagnetically coupled resonant wireless technique used for the charging of EVs.The resonant wireless charging system for EVs is modeled,simulated,and then examined by changing different key parameters to evaluate how transfer distance,load,and coil’s geometry,precisely number of coil’s turns,coil’s shape,and inter-turn distance,influence the efficiency of the charging process.The simulation results are analyzed and critical dimensions are discussed.It is revealed that a proper choice of the dimensions,inter-turn distance,and transfer distance between the coils can result in a significant improvement in charging efficiency.Furthermore,the influence of the transfer distance,frequency,load,as well as the number of the turns of the coil on the performance of wireless charging system is the main focus of this paper.展开更多
文摘In this study,N,N＇-di-（2-methylphenyl）malonamide was synthesized and reacted with polyphosphoric acid to afford 8-methyl-4-hydroxyl-2-quinolone.Eight novel azo disperse dyes were then synthesized by linking diazotized p-substituted aniline derivatives with 8-methyl-4-hydroxyl-2-quinolone.The solvatochromism of these azo dyes in various solvents was evaluated.All the compounds were then evaluated for their antibacterial activity against four bacteria,namely.Bacillus subtilis.Micrococcus luteus, Salmonella enterica,and Pseudomonas aeruginosa.The results showed that some of these compounds have high levels of antibacterial activity.
基金supported by the Program-Targeted Funding of the Ministry of Education and Science of the Republic of Kazakhstan through the Innovative Materials and Systems for Energy Conversion and Storage for 2018–2020(Grant No.BR05236524).
文摘Nowadays,internal combustion engine vehicles are considered as one of the major contributors to air pollution.To make transportation more environmentally friendly,plug-in electric vehicles(PEVs)have been proposed.However,with an increase in the number of PEVs,the drawbacks associated with the cost and size,as well as charging cables of batteries have arisen.To address these challenges,a novel technology named wireless charging system has been recently recommended.This technology rapidly evolves and becomes very attractive for charging operations of electric vehicles.Currently,wireless charging systems offer highly efficient power transfer over the distances ranging from several millimeters to several hundred millimeters.This paper is focused on analyzing electromagnetically coupled resonant wireless technique used for the charging of EVs.The resonant wireless charging system for EVs is modeled,simulated,and then examined by changing different key parameters to evaluate how transfer distance,load,and coil’s geometry,precisely number of coil’s turns,coil’s shape,and inter-turn distance,influence the efficiency of the charging process.The simulation results are analyzed and critical dimensions are discussed.It is revealed that a proper choice of the dimensions,inter-turn distance,and transfer distance between the coils can result in a significant improvement in charging efficiency.Furthermore,the influence of the transfer distance,frequency,load,as well as the number of the turns of the coil on the performance of wireless charging system is the main focus of this paper.
