Scaling up clean hydrogen supply in the near future is critical to achieving China’s hydrogen development target.This study established an electrolytic hydrogen development mechanism considering the generation mix an...Scaling up clean hydrogen supply in the near future is critical to achieving China’s hydrogen development target.This study established an electrolytic hydrogen development mechanism considering the generation mix and operation optimization of power systems with access to hydrogen.Based on the incremental cost principle,we quantified the provincial and national clean hydrogen production cost performance levels in 2030.The results indicated that this mechanism could effectively reduce the production cost of clean hydrogen in most provinces,with a national average value of less than 2 USD·kg^(-1) at the 40-megaton hydrogen supply scale.Provincial cooperation via power transmission lines could further reduce the production cost to 1.72 USD·kg^(-1).However,performance is affected by the potential distribution of hydrogen demand.From the supply side,competitiveness of the mechanism is limited to clean hydrogen production,while from the demand side,it could help electrolytic hydrogen fulfil a more significant role.This study could provide a solution for the ambitious development of renewables and the hydrogen economy in China.展开更多
Given the global focus on green and low-carbon development and the increasing prominence of digital finance,it is particularly important to explore how to leverage digital finance to achieve these environmental goals....Given the global focus on green and low-carbon development and the increasing prominence of digital finance,it is particularly important to explore how to leverage digital finance to achieve these environmental goals.This study,through mechanism analysis,deeply examines how China’s digital finance promotes green and low-carbon development and elucidates the positive interaction between digital finance and the green industry.The study found that digital finance,through more flexible and efficient financial functions,alters the cost structure of carbon emissions,and reduces the risks and costs of green investments,thereby creating a cooperative green mechanism benefiting all parties,and guiding social groups toward a green and low-carbon transformation.Additionally,the rapid development of digital finance has strengthened the implementation of environmental protection policies,effectively promoted the expansion of the environmental protection industry,and established the green ethos as a mainstream concept in financial development.This study aims to provide reference perspectives and suggestions,assist policymakers in promoting the green and lowcarbon development of digital finance,and offer insights into the integrated development of digital finance and the green environmental protection industry.展开更多
In this work,we propose a context-aware switching of routing protocol scheme for specific application requirements of IoT in real-time using a software-defined networking controller in wireless sensor networks.The work ...In this work,we propose a context-aware switching of routing protocol scheme for specific application requirements of IoT in real-time using a software-defined networking controller in wireless sensor networks.The work planned has two stages i)Selection of suitable routing protocol(RP)for given IoT applications using higher cognitive process and ii)Deployment of the corresponding routing protocol.We use the supervised learning-regression method for classification of the routing protocol while considering the network parameters like stability,path delay,energy utilization,and throughput.The chosen routing protocol will be set in the sensor network using a software-defined networking controller in an exceedinglyflexible manner during the second stage.Extensive simulation has been done and results are evaluated to point out the strength of the proposed work,while dynamically varying the specific requirements of IoT applications.We observe that the work proposed is path-breaking the prevailing methods,where a specific routing protocol is employed throughout the period of time.It’s clearly shown that the proposed,Low-cost Context-Aware Protocol Switching(LCAPS)scheme is efficient in improving the performance of the sensor network and also meets the specific application requirements of IoT by using Software-Defined Wireless Sensor Networks SDWSNs.展开更多
Based on comparative analysis of different perspectives related to enterprise strategic cost management or strategic management process, the author considers that the process of strategic cost management includes two ...Based on comparative analysis of different perspectives related to enterprise strategic cost management or strategic management process, the author considers that the process of strategic cost management includes two major steps as strategy formulation and strategy implementation. The cost strategic management methods can be classified as cost strategy formulation methods and implementation methods according to the strategic cost management process; and the cost strategy implementation methods are divided into strategy implementation basis confirmation method, organizational implementation method, supervision （surveillance） and variance （performance） analysis ＆ adjustment method according to the contents to be implemented.展开更多
基金support provided by the National Science Fund for Distinguished Young Scholars(52325703)Postdoctoral Innovation Talents Support Program(BX20220066)+1 种基金China Postdoctoral Science Foundation(2022M720709)State Key Laboratory of Power System Operation and Control(SKLD23KM06).
文摘Scaling up clean hydrogen supply in the near future is critical to achieving China’s hydrogen development target.This study established an electrolytic hydrogen development mechanism considering the generation mix and operation optimization of power systems with access to hydrogen.Based on the incremental cost principle,we quantified the provincial and national clean hydrogen production cost performance levels in 2030.The results indicated that this mechanism could effectively reduce the production cost of clean hydrogen in most provinces,with a national average value of less than 2 USD·kg^(-1) at the 40-megaton hydrogen supply scale.Provincial cooperation via power transmission lines could further reduce the production cost to 1.72 USD·kg^(-1).However,performance is affected by the potential distribution of hydrogen demand.From the supply side,competitiveness of the mechanism is limited to clean hydrogen production,while from the demand side,it could help electrolytic hydrogen fulfil a more significant role.This study could provide a solution for the ambitious development of renewables and the hydrogen economy in China.
文摘Given the global focus on green and low-carbon development and the increasing prominence of digital finance,it is particularly important to explore how to leverage digital finance to achieve these environmental goals.This study,through mechanism analysis,deeply examines how China’s digital finance promotes green and low-carbon development and elucidates the positive interaction between digital finance and the green industry.The study found that digital finance,through more flexible and efficient financial functions,alters the cost structure of carbon emissions,and reduces the risks and costs of green investments,thereby creating a cooperative green mechanism benefiting all parties,and guiding social groups toward a green and low-carbon transformation.Additionally,the rapid development of digital finance has strengthened the implementation of environmental protection policies,effectively promoted the expansion of the environmental protection industry,and established the green ethos as a mainstream concept in financial development.This study aims to provide reference perspectives and suggestions,assist policymakers in promoting the green and lowcarbon development of digital finance,and offer insights into the integrated development of digital finance and the green environmental protection industry.
文摘In this work,we propose a context-aware switching of routing protocol scheme for specific application requirements of IoT in real-time using a software-defined networking controller in wireless sensor networks.The work planned has two stages i)Selection of suitable routing protocol(RP)for given IoT applications using higher cognitive process and ii)Deployment of the corresponding routing protocol.We use the supervised learning-regression method for classification of the routing protocol while considering the network parameters like stability,path delay,energy utilization,and throughput.The chosen routing protocol will be set in the sensor network using a software-defined networking controller in an exceedinglyflexible manner during the second stage.Extensive simulation has been done and results are evaluated to point out the strength of the proposed work,while dynamically varying the specific requirements of IoT applications.We observe that the work proposed is path-breaking the prevailing methods,where a specific routing protocol is employed throughout the period of time.It’s clearly shown that the proposed,Low-cost Context-Aware Protocol Switching(LCAPS)scheme is efficient in improving the performance of the sensor network and also meets the specific application requirements of IoT by using Software-Defined Wireless Sensor Networks SDWSNs.
文摘Based on comparative analysis of different perspectives related to enterprise strategic cost management or strategic management process, the author considers that the process of strategic cost management includes two major steps as strategy formulation and strategy implementation. The cost strategic management methods can be classified as cost strategy formulation methods and implementation methods according to the strategic cost management process; and the cost strategy implementation methods are divided into strategy implementation basis confirmation method, organizational implementation method, supervision （surveillance） and variance （performance） analysis ＆ adjustment method according to the contents to be implemented.
