Indeed, deficit-spending of massive amounts on public-works, lowering inter-est rates and promoting exports are the common phenomenon seen in today’s post-crisis Asia. But none of them is sustainable, nor a substitut...Indeed, deficit-spending of massive amounts on public-works, lowering inter-est rates and promoting exports are the common phenomenon seen in today’s post-crisis Asia. But none of them is sustainable, nor a substitute for the agonizing re-form, industrial restructuring and sci-tech innovations. The basis for long-term e-展开更多
The ＂Rising Mrica＂ narrative suffered a serious setback in 2016 when Africa expe- rienced the wot.＇st economic slowdown since the global financial crisis in 2008. However, the resilient growth in 2017 and signs of ...The ＂Rising Mrica＂ narrative suffered a serious setback in 2016 when Africa expe- rienced the wot.＇st economic slowdown since the global financial crisis in 2008. However, the resilient growth in 2017 and signs of a consolidated expansion in the mid-term are proving the recession is only a temporary situation.展开更多
In recent years,China’s agriculture has accelerated in"going global",and in particular,the over 60 countries along the area under the Belt and Road Initiative boasts rich agricultural resources,which is ver...In recent years,China’s agriculture has accelerated in"going global",and in particular,the over 60 countries along the area under the Belt and Road Initiative boasts rich agricultural resources,which is very convenient for China’s agriculture to go global."China has advanced its overseas agricultural cooperation in an orderly manner,and is continuously expanding the scale of its overseas agricultural invest-ment,gradually extending its investment scope and continuing to develop inter-展开更多
Purpose–This study aims to analyze the development direction of train speed,density and weight in China.Design/methodology/approach–The development of China’s railway in the past 40 years can be divided into 3 stag...Purpose–This study aims to analyze the development direction of train speed,density and weight in China.Design/methodology/approach–The development of China’s railway in the past 40 years can be divided into 3 stages.At the stage of potential tapping and capacity expansion,it is important to improve the train weight and density by upgrading the existing lines,and improving transportation capacity rapidly.At the stage of railway speed increase,the first priority is to increase train speed,reduce the travel time of passenger train,and synchronously take into account the increase of train density and weight.At the stage of developing high-speed railway,train speed,density and weight are co-developing on demand.Findings–The train speed of high-speed railway will be 400 km h1,the interval time of train tracking will be 3 min,and the traffic density will be more than 190 pairs per day.The running speed of high-speed freight EMU will reach 200 km h1 and above.The maximum speed of passenger train on mixed passenger and freight railway can reach 200 km h1.The minimum interval time of train tracking can be compressed to 5 min.The freight train weight of 850 m series arrival-departure track railway can be increased to 4,500–5,000 t and that of 1,050 m series to 5,500–6,400 t.EMU trains should gradually replace ordinary passenger trains to improve the quality of railway passenger service.Small formation trains will operate more in intercity railway,suburban railway and short-distance passenger transportation.Originality/value–The research can provide new connotations and requirements of railway train speed,density and weight in the new railway stage.展开更多
文摘Indeed, deficit-spending of massive amounts on public-works, lowering inter-est rates and promoting exports are the common phenomenon seen in today’s post-crisis Asia. But none of them is sustainable, nor a substitute for the agonizing re-form, industrial restructuring and sci-tech innovations. The basis for long-term e-
文摘The ＂Rising Mrica＂ narrative suffered a serious setback in 2016 when Africa expe- rienced the wot.＇st economic slowdown since the global financial crisis in 2008. However, the resilient growth in 2017 and signs of a consolidated expansion in the mid-term are proving the recession is only a temporary situation.
文摘In recent years,China’s agriculture has accelerated in"going global",and in particular,the over 60 countries along the area under the Belt and Road Initiative boasts rich agricultural resources,which is very convenient for China’s agriculture to go global."China has advanced its overseas agricultural cooperation in an orderly manner,and is continuously expanding the scale of its overseas agricultural invest-ment,gradually extending its investment scope and continuing to develop inter-
基金The study was funded by the National Key R&D Program of China[2018YFB1201403]Science and Technology R&D Program of China State Railway Group Co.,Ltd[J2021X007].
文摘Purpose–This study aims to analyze the development direction of train speed,density and weight in China.Design/methodology/approach–The development of China’s railway in the past 40 years can be divided into 3 stages.At the stage of potential tapping and capacity expansion,it is important to improve the train weight and density by upgrading the existing lines,and improving transportation capacity rapidly.At the stage of railway speed increase,the first priority is to increase train speed,reduce the travel time of passenger train,and synchronously take into account the increase of train density and weight.At the stage of developing high-speed railway,train speed,density and weight are co-developing on demand.Findings–The train speed of high-speed railway will be 400 km h1,the interval time of train tracking will be 3 min,and the traffic density will be more than 190 pairs per day.The running speed of high-speed freight EMU will reach 200 km h1 and above.The maximum speed of passenger train on mixed passenger and freight railway can reach 200 km h1.The minimum interval time of train tracking can be compressed to 5 min.The freight train weight of 850 m series arrival-departure track railway can be increased to 4,500–5,000 t and that of 1,050 m series to 5,500–6,400 t.EMU trains should gradually replace ordinary passenger trains to improve the quality of railway passenger service.Small formation trains will operate more in intercity railway,suburban railway and short-distance passenger transportation.Originality/value–The research can provide new connotations and requirements of railway train speed,density and weight in the new railway stage.
