The ability to evaluate teaching materials effectively is a very important professional activity for all EFL teachers,CFL teachers as well.It is essential to fully understand a book's content and style,as well as ...The ability to evaluate teaching materials effectively is a very important professional activity for all EFL teachers,CFL teachers as well.It is essential to fully understand a book's content and style,as well as its strengths and weaknesses,so that the book can be adapted to suit factors such as course aims,student needs and teacher beliefs.This paper deals with the evaluation of a TCFT(Teaching Chinese as a Foreign Language) textbook,New Practical Chinese Reader(NPCR) based on McDonough and Shaw Model and Evaluation Criteria for NPCR.展开更多
The macro-kinetics of diphenyl carbonate synthesis was studied over Pd-Cu/La0.5Pb0.5MnO3 catalyst in a trickle-bed reactor.The catalyst particle size was φ2.0 mm×3 mm.A power type macro-kinetic model was employe...The macro-kinetics of diphenyl carbonate synthesis was studied over Pd-Cu/La0.5Pb0.5MnO3 catalyst in a trickle-bed reactor.The catalyst particle size was φ2.0 mm×3 mm.A power type macro-kinetic model was employed in the present study.The model parameters-were regressed-in the kinetics.The statistic test and its residual error distribution have been made,respectively.The results show that the values calculated by power type macro-kinetic models can be good agreement with experimental data.Furthermore,the model can provide the theory basis on simulation and design of the large scale synthesis of diphenyl carbonate in trickle-bed reactor.展开更多
文摘The ability to evaluate teaching materials effectively is a very important professional activity for all EFL teachers,CFL teachers as well.It is essential to fully understand a book's content and style,as well as its strengths and weaknesses,so that the book can be adapted to suit factors such as course aims,student needs and teacher beliefs.This paper deals with the evaluation of a TCFT(Teaching Chinese as a Foreign Language) textbook,New Practical Chinese Reader(NPCR) based on McDonough and Shaw Model and Evaluation Criteria for NPCR.
文摘The macro-kinetics of diphenyl carbonate synthesis was studied over Pd-Cu/La0.5Pb0.5MnO3 catalyst in a trickle-bed reactor.The catalyst particle size was φ2.0 mm×3 mm.A power type macro-kinetic model was employed in the present study.The model parameters-were regressed-in the kinetics.The statistic test and its residual error distribution have been made,respectively.The results show that the values calculated by power type macro-kinetic models can be good agreement with experimental data.Furthermore,the model can provide the theory basis on simulation and design of the large scale synthesis of diphenyl carbonate in trickle-bed reactor.
