bluuebunny/crossref_metadata_2025_split huggingface dataset:
Applicability analysis of the wave energy converter in low wave energy density sea areas
Authors: Duan Derong , Zhang Junming , Chen Fei , Yang Xuefeng , Zhao Fang 
Published: August 2020

Abstract
The capture power of wave energy converter is affected by the interaction between the buoy and wave. This study aims to investigate the interaction between the buoy and wave motion in low wave energy density seas using the hydrodynamic calculation software AQWA and to achieve a reasonable optimal configuration for the greater capture power based on the orthogonal experiment. Results show that the wavelength in the resonance state increases with the increasing of buoy mass and increases first and then decreases with the increasing of buoy diameter. Taking capture power as the optimization goal, applicability analysis denotes that the wave energy converter with the mass of 4.2 t and the buoy diameter of 4 m is suitable for the Bohai Sea and the north of the Yellow Sea. The maximum capture power of 150 W is obtained in the Bohai Strait owing to the wavelength of 14 m. This study provides a new idea for the mass control, diameter selection and arrangement of the wave energy converter.
A pricing model of power battery closed-loop supply chain under government subsidies
Authors: Yan Jie , Xie Zhiming 
Published: August 2020

Abstract
Government subsidy is a common policy to promote re-manufacturing. In order to explore the pricing and coordination mechanism of power battery production under this policy, a two-period model was proposed. This model combines the supply constraints of partial recovery and full recovery to study the impact of government subsidies on the recovery and fracturing pricing of power battery manufacturers. The study shows that moderate subsidies will increase the recovery rate under both supply constraints. However, high subsidies will increase the output of new power batteries, leading to oversupply, which is not conducive to environmental protection. Therefore, the optimal value of the subsidy is the calculated threshold.
Input-output efficiency analysis of Chinese thermal power enterprises based on three-stage DEA
Authors: Zhu Keding , Wang Xiaomei , Ma Jibin 
Published: August 2020

Abstract
Since the new round of power system reform, the pace of power market construction has accelerated, and the scale of power market-based transactions has grown rapidly. The fierce marketization competition has continuously reduced the on-grid electricity price of thermal power. Now the thermal power enterprises are facing a severe test of operating conditions. Based on the panel data of several listed thermal power companies in Shanghai and Shenzhen in recent three years, this paper uses three-stage DEA model to analyze the input-output efficiency of thermal power enterprises. The research shows that the input of listed thermal power companies increases year by year, while their output decreases. The comparison of the first and third stages of the DEA model shows that the first stage overestimates the scale efficiency of this type of power generation company and underestimates the pure technical efficiency. Based on the research results, this paper puts forward the development suggestions for thermal power enterprises to keep up with the reform of China’s power market and improve their business conditions.
Analysis of the Development Status and Prospect of Multi-energy Complementary Technology
Authors: Yu Guanyi 
Published: August 2020

Abstract
Multi-energy complementary is an effective way to improve the overall efficiency of the energy system, improve the coordination of energy supply and demand, and promote the immediate consumption and efficient use of clean fossil energy and renewable energy. The implementation of the multi-energy complementary integration optimization project has prompted China to overcome a series of related technical problems in the energy field. This paper summarizes the current status of China’s multi-energy complementary development, explores industrial policies such as technology, economics, and institutional mechanisms accumulated during the process of multi-energy complementary development, and analyzes the development prospects of multi-energy complementary, with a view to better promoting regional clean fossil energy utilization levels and renewable energy technology advances contributions.
Measurement of carbon emission efficiency of China’s energy consumption and its spatial distribution pattern
Authors: Yu Zhipeng 
Published: August 2020

Abstract
Based on the data of eight kinds of energy consumption in each province from 2000 to 2016, the carbon emissions generated by energy consumption in each province are calculated, and the carbon emission efficiency of energy consumption is further calculated and its spatial distribution pattern is studied. The results show that the carbon emission efficiency of China’s energy consumption has improved as a whole during the sample period, and the efficiency distribution exists in different regions. To some extent, there is weak positive spatial correlation, but the overall Moran I index shows that there is no significant spatial correlation in the sample as a whole.
Multi-scenario generation technology considering extreme scenarios in energy system modeling
Authors: Xu Zhicheng , Lu Gang , Zhao Jiujin 
Published: August 2020

Abstract
In energy system planning and modeling, due to the increase in the proportion of renewable energy, its volatility and randomness require that the energy planning model be more detailed. Generally, typical scenarios are used to simulate changes in annual timing characteristics, so the generation of typical scenarios is particularly important. The characterization of the scenario requires that the generated scenario is representative and complete at the same time, and completeness requires the extreme scenarios should be considered. Extreme scenario-based energy system stress tests not only help policymakers consider previously overlooked stress or stress sources but also assess the potential extent of their impact and the affordability of these risks to energy systems, while also giving effective coping strategies.
Economic Dispatch Analysis of Comprehensive Energy System Considering Carbon Trading
Authors: Zhang Kai , Xu Nan , Ling Yunpeng , Zhou Bo , Song Yan 
Published: August 2020

Abstract
In the context of energy internet and low-carbon power, integrated energy systems have become an important carrier for energy saving and emission reduction. Aiming at the schedulable value of integrated energy service providers including electricity, heat and natural gas loads in the electricity market and the natural gas market, a low-carbon dispatch model for power systems considering the response of integrated energy service providers was established. The carbon trading mechanism is introduced into the system’s scheduling model, and a ladder calculation model for calculating the carbon trading cost in the carbon emission interval is constructed; considering the carbon trading cost and the cost of outsourced energy, a system suitable for electricity, heat and gas supply is established Low-carbon economic dispatch model. By comparing and analyzing the scheduling results of the three scheduling models, the effectiveness of the proposed model in considering the low-carbon and economic aspects of the system is verified. The analysis of the example shows that considering the response of integrated energy service providers in the electricity and natural gas market can reduce the carbon emissions of the power system and the operating cost of the entire system. The carbon trading mechanism and the comprehensive demand response are managed from the power generation side and the load. Effective means.
Analysis of Sustainable Development of Chinese Villages—Take the Design of XiangFeng Pastoral Complex in Guangzhou as an Example
Authors: Wang Tao , An Mingming , Huang Shuibao , Xiong Lu , Li Jinling 
Published: August 2020

Abstract
Aiming to support rural economic development, reduce the income gap between urban and rural residents, revitalize the rural economy, as well as encourage rural areas in all regions to carry out scientific, rational and sustainable development reforms, The Chinese government provides a certain amount of development approaches for rural planning and rural economic revitalization. In the setting of the The Chinese government’s rural strategy, design plans for rural complexes in various regions are emerging constantly. This article provides ideas for the planning and construction of pastoral complexes in other regions through the design ideas for the XiangFeng Pastoral complex in Guangzhou.
The Development Process, International Experience and Breakthrough Direction of Agricultural Supply side Structural Reform
Authors: Tian Peng peng , Zhao Dan , Li Dong mei 
Published: August 2020

Abstract
China’s agricultural supply side structure has experienced three major changes, but the effect is not obvious, so it is necessary to trace its roots and make a breakthrough. This paper explores the key points and difficulties in the three stages of China’s agricultural supply side reform, and finds that China’s agricultural supply side structural reform needs to break through three core points: removing the high inventory of main agricultural products, reducing farmers’ production costs, and making up for the safety and quality of agricultural products and the short board of ecological environment. Combined with the reform experience of the United States, Canada and India, this paper proposes to establish a diversified “government + market” policy regulation system, reduce agricultural production cost through multiple channels, improve agricultural production level, supplement the short board of modern agricultural production, realize sustainable green production, and seek an effective breakthrough in agricultural supply side structural reform.
Numerical analysis the effect of trees on the outdoor thermal environment and the building energy consumption in a residential neighborhood
Authors: Chengping Xu , Chunhui Yan , Jing Ren , Jiying Liu 
Published: August 2020

Abstract
Urban greening is an effective measure to reduce the cooling load of buildings. In this paper, the cycle coupling simulation strategy of PHOENICS numerical simulation software and EnergyPlus energy consumption prediction software is established, the outdoor temperature and humidity of typical meteorological month are predicted by multiple regression method. The impact of tree characteristics and foundation layout on the thermal environment of the community is analyzed, and the impact of the building cooling load index and residential energy consumption in the neighborhood is evaluated. The results showed that the canopy height increased by 2 m, the temperature decreased by 0.5%, the wind speed decreased by 5.5%, the relative humidity increased by 1%; the leaf area index (LAI) increased by 1, the temperature decreased by 0.4%, 10%, 0.7%. The order of influence on building energy consumption is: layout > crown height > LAI.
Wettability and imbibition mechanism of continental and marine shales by aqueous phase
Authors: Zhang Feng , Li Kuidong , Xiao Jialin , Liu Wei , Hu Yun 
Published: August 2020

Abstract
With regards to the present situations in the exploration of the continental shale of Yanchang formation in Ordos Basin and the marine shale of Longmaxi formation in Sichuan Basin, the characteristics of the interfacial actions between aqueous phase and shale at different positions under different sedimentary environments are studied. The mineral composition analysis, natural porosity observations and rock mechanics tests were conducted. The water phase contacting angle on the shale surface and the spontaneous imbibition of the matrix were explored. The results show that the continental shale has a higher clay mineral content, so it tends to be water-sensitive and consequent damages to the reservoir may be caused. In Fuling area, the matrix of the marine shale gas reservoir is relatively tight, the fracture morphology is simple, the amount of filling material is less, and the micro-fractures and micro-pores are more fully developed than the continental Yanchang formation. Due to the high content of brittle minerals, the Young’s modulus and Poisson’s modulus of the shale in Fuling area are relatively high, which is beneficial to the SRV and the fracture complexity. The surface of shale represents strong hydrophilicity. Differences exist in the wettability effects of water phase on shales at different positions, The effects of different types of surfactants on the wettability of shale are different.
Planning of inter-city transfer networks in Weifang City
Authors: Wang Hong , Cui Dongxu 
Published: August 2020

Abstract
The inter-city passenger flow and travelling patterns in the inter-city transfer networks in Weifang City were explored. Based on prediction of the traffic needs of the network, this study explored the optimization model of inter-city transfer networks and the planning of transfer hubs. The objectives of this study are to optimize the structure of transfer networks and improve the efficiency of inter-city traveling.
Analysis of the influence of traffic control measures on the prevention and control of COVID-19
Authors: Wang Wei , Zhu Zhao , Su Hang 
Published: August 2020

Abstract
Transportation plays an important medium role in the COVID-19 epidemic spread, and correctly understanding this role will help to prevent and control the epidemic spread among different areas. This paper analyzed the process of the COVID-19 epidemic spread through transportation channels at home and abroad, and made a comparative analysis of the epidemic development before and after taking traffic control measures in different countries around the world. After clarifying the role of transportation channels in the epidemic spread, we simulated the epidemic development under different traffic control measures based on the SEIR disease dynamics model. The results show that, without traffic control measures, the peak value of infected people will appear earlier. If strict traffic control measures are taken, the simulated lines of the latent and infected people will almost disappear, and the epidemic will soon stop. Our research results provide a theoretical basis for formulating reasonable traffic control measures.
A Theoretical Review of Vegetation Extraction Methods Based on UAV
Authors: zhaoming Wang 
Published: August 2020

Abstract
At present, with the development of remote sensing technology and UAV technology, high-resolution remote sensing image has become one of the main data sources for vegetation extraction due to its rich texture features and geometric features. How to accurately and quickly extract ground object information from high-resolution images has become a hot topic in computer vision, photogrammetry and GIS research in recent years. At present, it is extremely convenient to acquire high-resolution remote sensing image data, while the extraction of ground object information, especially the vegetation classification and the research on information extraction methods, is relatively backward, which largely depends on the traditional classification methods. This paper summarizes the research progress of remote sensing classification of uav vegetation at home and abroad.
Study on the coupling and coordinated development of tourism economy and ecological environment in Guilin city
Authors: Wang Cong , Wang Rong 
Published: August 2020

Abstract
Correctly figuring out and coordinating the relationship between tourism economy and eco-environment is a crucial issue to approach to regional environmental protection and high-quality tourism development. By introducing an index system, this paper proposes a comprehensive method to evaluate the coupling coordination between tourism economy and eco-environment. The index weight was determined by entropy weight method, and the coupling coordination degree model was established using panel data from 2009 to 2018 in Guilin city. The results present that the overall tourism economic index shows a continuous upward trend, while the eco-environment index had obvious fluctuations; the coupling coordination degree and level continues to grow and had improved from moderate imbalance to primary coordination, respectively. It is trustworthy that there is a bright coupling and coordinated development trend between the tourism economy and the eco-environment in Guilin. With the tourism economy development, an intensive development model dominated by environmental protection and resource conservation should be chosen to promote the coordinated and sustainable development of tourism and the environment.
Research on Treatment Methods and Pollution Control of Construction Wastewater in Hydropower Construction Projects
Authors: Zhao Chunzhe 
Published: August 2020

Abstract
Hydropower construction projects have the characteristics of large construction scale, short construction period, large wastewater discharge and difficult management, and the waters near hydropower stations may be close to environmentally sensitive areas such as scenic spots and historic sites and forest reserves. If construction wastewater is not treated and discharged, it will have great impact on the environment. Based on the engineering analysis of hydropower construction projects, this paper understands that the construction waste water mainly consists of stone aggregate washing waste water and concrete mixing system washing waste water. According to the principle of coagulation and sedimentation and the characteristics of engineering waste water, the construction waste water is treated by physical and chemical methods and combined with coagulation and sedimentation process, so as to reduce or eliminate negative environmental impact, avoid environmental risks and control pollution.
The effects of the disturbance of tourism activities on Rhododendron chrysanthum in Changbai Mountain Reserve
Authors: Jin Hui , Zhao Ying , Chen Qinghong , Jia Xiang , Liu Lijie , Dai Yuhong , Qin Liwu , Zhang Rui , Zhao Yue Ming , Yin Hang 
Published: August 2020

Abstract
The effects of tourism disturbance on the community structure composition and variation of species diversity of Rhododendron chrysanthum population in the alpine tundra of Changbai Mountain were studied to provide reference for better protection of the ecological environment of Changbai Mountain. At different altitudes in the alpine tundra, the regions close to and far from the tourist routes were selected as the study sites, and the typical Rhododendron chrysanthum community in the alpine tundra was selected as the research object. The results showed that tourism disturbance would affect the plant growth of Rhododendron chrysanthum community. The average height, relative coverage and relative density of Rhododendron chrysanthum decreased, leading to the decrease of the important value and dominance of Rhododendron chrysanthum in the whole community. The higher the intensity of tourism disturbance was, the more significant the characteristics of Rhododendron chrysanthum were. In addition, the variation of the biodiversity of Rhododendron chrysanthum community under different tourist disturbance intensity in the middle and low altitude areas of Changbai Mountain alpine tundra was consistent with the theory of “moderate disturbance hypothesis”. At high altitude, Shannon-Wiener species diversity index, Pielou evenness index and Simpson dominance index of Rhododendron chrysanthum community all decreased with the decrease of disturbance intensity. Therefore, in order to achieve a better development of tourism in Changbai Mountain, some measures should be taken to reduce the impact of the disturbance intensity of tourism activities on the plant community in the scenic area.
The Process and Impact of Global Climate Governance: A Case Study of the Paris Climate Agreement
Authors: Qian Xuming , li Jiaxin 
Published: August 2020

Abstract
Global climate governance is a global public good, which has received more and more attention in recent years. Climate governance has three characteristics: multi-level, political and lagging. The paper examines the development process of global climate governance and its existing defects, and analyses the impact of the Paris Agreement on global climate governance. Since the entry into force of the 1992 United Nations Framework Convention on Climate Change, several legal documents have been issued in phases, of which the Paris Agreement is the first major achievement of international climate governance. Although the Paris Agreement adopts the obvious weakness of the model in which the member nations determine their own contribution, it is also a very useful attempt. The effectiveness of the Paris Agreement still depends on the independent contributions of various countries. Therefore, in climate governance, it is necessary to lead countries to actively fulfil their obligations.
The Analysis of the Motivation and Conditions of the “scattered change set” Cargo
Authors: Meng Xiangru 
Published: August 2020

Abstract
Economic progress and the invention of science and technology led to the vigorous development of the transport industry, promoting starch, soybean and other grain and coal and other bulk containers. Transportation can shorten the transportation time, guarantee the quality of goods and reduce the pollution to the environment. The transportation of “scattered change set” shows good development momentum and gradually scale expanded. This paper analyzes the motivation of “scattered change set “, studies the development of” scattered change set “, analyzes the condition of freight, and summarizes the inevitability of the development of “scattered change set “.
Pollution of Microplastics in Coastal Plain of the Huangshui River Basin
Authors: Zhou Sifan , Lin Guoqing , Lin Qiyun , Su Sheng , Cheng Mogeng 
Published: August 2020

Abstract
Marine microplastic pollution is one of the hot spots in current marine environment research. The coastal zone has unique micro-plastic pollution characteristics at the junction of land and sea, and the micro-plastic pollution in the coastal zone soil is still unclear. In this study, Huangshui river basin was selected as the research area in Laizhou Bay, China. Soil samples were collected from the depth of 0-3, 3-6 and 6-9 cm at each location. Microplastics were separated by flotation. Microplastic characteristics were investigated and analyzed by Nile red staining and Fourier infrared spectrometer. The results showed that there was slight microplastic pollution in the coastal plain. 92.9% of the detected microplastics were granular, 6.1% were fibers, and only 1.0% were films. Microplastics with a particle size of 20-100 μm accounted for 57.9% of the total, particles with the size of 100-1000 μm accounted for 38.6%, and particles with the size of 1000-5000 μm accounted for 3.5%. The presence of film-like PE was detected, indicating that microplastic contamination in the soil was likely to come from the utilization and mulching of agricultural mulch. The amount of microplastics in soil was related to the size of microplastics. Abundance of microplastics in soil increased with decreasing of the size of soil. In addition, the microplastic content in soil decreased, and particles with a smaller size occupied a larger proportion, with the increasing of the depth of soil.