The pathways to achieving carbon neutrality at the city level are diverse due to varying energy supply and demand conditions.Shanghai faces obstacles such as limited land resources,high costs of renewable energy techn...The pathways to achieving carbon neutrality at the city level are diverse due to varying energy supply and demand conditions.Shanghai faces obstacles such as limited land resources,high costs of renewable energy technologies,and instability of renewable energy.These challenges hinder the city’s efforts to achieve carbon peak and carbon neutrality(dual carbon).Therefore,Shanghai must identify and optimize its development path for renewable energy under the dual carbon goal.We employed the Low Emissions Analysis Platform Shanghai(LEAP-SH)model to simulate the impact of policies,such as industrial upgrading,energy efficiency improvement,energy structure optimization,increased technical innovation on energy,and ecological restoration,on the carbon emission pathways from 2022 to 2060 using five different scenarios.Our results indicate that Shanghai has the potential to achieve carbon neutrality in 2059 by promoting carbon reduction,pollution control,and green expansion.Moreover,we determined that the manufacturing industry;power generation industry;and transportation,storage,and mail services are the three major sectors for emission reduction under the dual carbon goal.Furthermore,the capacity and output of coal-fired power plants will be gradually replaced by offshore wind power in the dual carbon pathway.Finally,this study proposes countermeasures and suggestions for Shanghai to attain the dual carbon goal and high-quality development.展开更多
发布日期:2024年1月8日召回级别:Ⅰ级召回产品:Megadyne Mega Soft通用型,Megadyne Mega Soft通用型双电极,Megadyne Mega Soft通用型加强版&Megadyne Mega Soft通用型加强版双电极产品代码:GEI MEGADYNE MEGA SOFT通用患者回流电极...发布日期:2024年1月8日召回级别:Ⅰ级召回产品:Megadyne Mega Soft通用型,Megadyne Mega Soft通用型双电极,Megadyne Mega Soft通用型加强版&Megadyne Mega Soft通用型加强版双电极产品代码:GEI MEGADYNE MEGA SOFT通用患者回流电极;MEGADYNE MEGA SOFT通用患者回流双电极;MEGADYNE MEGA SOFT通用加强版患者回流电极;MEGADYNE MEGA SOFT通用加强版患者回流双电极产品型号:0845,0846,0847,0848发行日期:2021年10月1日至2023年12月4日在美国召回的设备数:9428台公司发起日期:2023年12月8日产品用途:Mega Soft通用患者回流电极是一种用于外科手术的医疗设备,涉及使用电外科器械。它的设计目的是通过为这些操作中使用的电流提供安全的返回路径来确保患者的安全。展开更多
In the continuous development of the modern highway and bridge engineering industry,the reasonable selection of mega highway bridges and their design is crucial.Based on this,this paper takes the actual bridge project...In the continuous development of the modern highway and bridge engineering industry,the reasonable selection of mega highway bridges and their design is crucial.Based on this,this paper takes the actual bridge project as an example,and analyses the overall selection design of such highway bridges,including the basic overview of the project,the basic selection principle of mega highway bridge project structure and its design strategy,etc.,to provide scientific reference for its selection design.展开更多
基金supported by the National Social Science Fund of China[Grant No.21FJYB058].
文摘The pathways to achieving carbon neutrality at the city level are diverse due to varying energy supply and demand conditions.Shanghai faces obstacles such as limited land resources,high costs of renewable energy technologies,and instability of renewable energy.These challenges hinder the city’s efforts to achieve carbon peak and carbon neutrality(dual carbon).Therefore,Shanghai must identify and optimize its development path for renewable energy under the dual carbon goal.We employed the Low Emissions Analysis Platform Shanghai(LEAP-SH)model to simulate the impact of policies,such as industrial upgrading,energy efficiency improvement,energy structure optimization,increased technical innovation on energy,and ecological restoration,on the carbon emission pathways from 2022 to 2060 using five different scenarios.Our results indicate that Shanghai has the potential to achieve carbon neutrality in 2059 by promoting carbon reduction,pollution control,and green expansion.Moreover,we determined that the manufacturing industry;power generation industry;and transportation,storage,and mail services are the three major sectors for emission reduction under the dual carbon goal.Furthermore,the capacity and output of coal-fired power plants will be gradually replaced by offshore wind power in the dual carbon pathway.Finally,this study proposes countermeasures and suggestions for Shanghai to attain the dual carbon goal and high-quality development.
文摘发布日期:2024年1月8日召回级别:Ⅰ级召回产品:Megadyne Mega Soft通用型,Megadyne Mega Soft通用型双电极,Megadyne Mega Soft通用型加强版&Megadyne Mega Soft通用型加强版双电极产品代码:GEI MEGADYNE MEGA SOFT通用患者回流电极;MEGADYNE MEGA SOFT通用患者回流双电极;MEGADYNE MEGA SOFT通用加强版患者回流电极;MEGADYNE MEGA SOFT通用加强版患者回流双电极产品型号:0845,0846,0847,0848发行日期:2021年10月1日至2023年12月4日在美国召回的设备数:9428台公司发起日期:2023年12月8日产品用途:Mega Soft通用患者回流电极是一种用于外科手术的医疗设备,涉及使用电外科器械。它的设计目的是通过为这些操作中使用的电流提供安全的返回路径来确保患者的安全。
文摘In the continuous development of the modern highway and bridge engineering industry,the reasonable selection of mega highway bridges and their design is crucial.Based on this,this paper takes the actual bridge project as an example,and analyses the overall selection design of such highway bridges,including the basic overview of the project,the basic selection principle of mega highway bridge project structure and its design strategy,etc.,to provide scientific reference for its selection design.
