bluuebunny/crossref_metadata_2025_split huggingface dataset:
Analysis of direct carbon footprint of residents’ consumption in Inner Mongolia Autonomous Region
Authors: Jiang Lina , Li Qingwan , Zhang Wangchen , Lu Lijia , Li Jinhua 
Published: November 2020

AbstractThis paper makes an in-depth study and analysis of the direct carbon footprint of residents’ consumption in Inner Mongolia Autonomous Region based on the IPCC method and the decomposition model of the Logarithmic Mean Divisia Index (LMDI) from 2000 to 2016. The results show that 1) The overall consumption of urban residents and the direct carbon footprint per capita in Inner Mongolia Autonomous Region from 2000 to 2016 were much higher than that of rural residents. 2) The consumption of residents was closely related to the energy structure, and coal, heat and electricity consumption occupied the main position. 3) According to the analysis of the LMDI decomposition model, the energy structure factors contributed negatively to the direct carbon footprint of residents except 2003-2006. 4) Energy efficiency and economic development are important factors to stimulate the direct carbon footprint of residents. Finally, we provide reasonable suggestions for residents’ consumption, energy saving and emission reduction.
Design and Simulation of Multi-nozzle FDM 3D printer for fabricated Solar thin-film cells
Authors: Zhang Xiuxia , Chu Jinquan , Wei Shuyi 
Published: November 2020

Abstract
In order to widely realize the personalized use of solar thin-film cells in every family, save costs and generate clean energy, our team wants to fabricate a 3D printer of solar thin-film cells. The solar film cells were 3D printed fabrication by FDM3D printer would improve their performance as battery. In this paper, for fabricate P nano-diamond/ZnO solar film cells the hot bed and nozzle of 3D printer were designed to achieve 3D printing of solar cells. A printer for fabricated solar thin-film cells was designed. PID was used to set the temperature of printer nozzle, and a refrigeration device was added to the substrate. And then finally, the printing device was simulated by SW.
Stress analysis of large crude oil storage tank subjected to harmonic settlement
Authors: Zhang Shuxin , Liu Xiaolong , Luo Jinheng , Sun Bingbing , Wu Gang , Jiang Jinxu , Gao Qi , Liu Xiaoben 
Published: November 2020

Abstract
Differential settlement has a significant effect on the safe operation of tanks. In order to investigate the stress response of crude oil storage tank subjected to harmonic settlement. A numerical simulation model of the steel storage tank was developed in this study. Based on a validated finite element model, parametric analysis was conducted based on the main factors. The results show that the stress at the top of the tank wall is symmetrically distributed along the circumference of the tank. The stress result increases linearly with the increasing harmonic amplitude. The axial stress increases firstly, and then decreases for large wave number. Meanwhile, The stress value increases with the increment of the height-to-radius ratio, and decreases with the increment of the radius-to-thickness ratio. Especially, when the height-to-radius ratio ranging from 1.0 to 1.5 or the ratio r/t is more than 1500, the tendency of stress variation is slighter. This study could be referenced in strength or safety assessment of crude oil storage tank subjected to harmonic settlement.
Analysis and treatment of abnormal increase of bearing temperature of 600MW steam turbine
Authors: Ma Lyuzhou 
Published: November 2020

Abstract
During the normal operation of a 600MW turbine in a power plant, the temperature of no.2 bearing rises to the alarm value, which seriously affects the safe operation of the unit. The reason of bearing temperature rise is found by analyzing the change of steam exciting force, and the problem is solved by optimizing the governor valve sequence to diagonal admission mode.
Analysis of electromagnetic radiation spectrum during the explosion of energetic materials
Authors: Yuanbo Cui , Deren Kong 
Published: November 2020

Abstract
In order to provide effective reference data for the equivalent experiment of electromagnetic environment adaptability of electric explosive devices, the electromagnetic radiation generated during the explosion of energetic materials is measured. The spectral characteristics of the electromagnetic radiation during the explosion of energetic materials are obtained by processing the data by means of signal noise reduction, windowed Fourier transform and dynamic spectrum analysis. The results indicate that the spectrum of electromagnetic signal during the explosion of energetic materials shows large changes mainly in the frequency band of 0-100MHz, of which the energy change in the low frequency band below 50 MHz is the most obvious; the distance from the explosion center has an obvious influence on the spectrum distribution of electromagnetic signal, where the closer the test point is to the explosion center, the wider the spectrum distribution of electromagnetic signal is and the stronger the energy is; differences in electromagnetic frequency distribution in different directions reflect the uneven and dispersed propagation of electromagnetic radiation.
Random inertia weight PSO based MPPT for Solar PV under Partial Shaded Condition
Authors: Mingyu Liang , Xinhong Cai , Bingyu Cao 
Published: November 2020

Abstract
Since the power-voltage characteristic curve of a photovoltaic (PV) arrays has multiple peaks under partially shading conditions (PSC), the conventional maximum power point tracking (MPPT) control methods fail to work. In this paper, a PSO algorithm based on random inertia weights is proposed to achieve global maximum power tracking. By improving the inertia weight coefficient of the traditional PSO algorithm and optimizing the search order of the particles, the population size and the number of iterations are decreased, thus finding the MPP (maximum power point) in a shorter time to ensure accurate tracking of the maximum power. By using the same parameters, its tracking performance is compared with traditional perturb and observe (P&O) method and particle swarm optimization (PSO) method, and the existed PSO algorithm is compared with the improved PSO to verify the correctness of the algorithm. The concordance of simulation results prove the advantage of the proposed MPPT method to ensure rapidity and stability of the output PV power.
Power distribution strategy based on fuzzy controller and Savitzky-Golay selective filtering in hybrid energy storage system
Authors: Lin Kai , Wang Mengyuan , Liu Shuangyi 
Published: November 2020

Abstract
Lithiumion batteries, as the power of electric vehicles, are facing challenges due to their intrinsic defects. The hybrid energy storage system with the combination of high power supercapacitor and lithium-ion battery are better promising solution. The peak current output by the lithium battery would be reduced greatly, which would result in great heat reduce and further enhancement of life cycle and safety of the lithium-ion battery. In considering their different charge and discharge behaviors, a high efficient control strategy is necessary for better performances. Here, an intelligent energy control strategy that combines fuzzy controller and Savitzky-Golay selective filtering is studied for HESS controlling. The fuzzy controller has good robustness and is suitable for nonlinear control, while the Savitzky-Golay filter can effectively smooth the waveform, and by selecting the output of both can effectively improve cell performance index. The simulation results show that compared with ESS under the tested cycle conditions, the proposed control strategy reduces the maximum current of the battery by 8.5% and the maximum temperature is reduced by 7.98%; when compared with a single fuzzy controller used by HESS, the proposed strategy can reduce the maximum battery current and maximum temperature by 7.02% and 1.50%, respectively.
Comparative Analysis on Performance of Tri-sectional and Four-sectional Air Preheater in 1000MW Unit
Authors: Xu Chunxing 
Published: November 2020

Abstract
This paper mainly compares and analyzes the characteristics and performance of air preheater for tri-sectional and four-sectional, it is found that the four-sectional air preheater has a great advantage in economy, this is mainly because the four-sectional air pre-heater has obvious advantages in reducing air leakage rate, it can reduce air leakage of air preheater, reduce power consumption of fan and improve thermal efficiency of unit significantly. In addition, it is found that the deviation range of flue gas temperature distribution of four-sectional air pre-heater is small by measuring the flue gas side temperature of the air preheater, the overall temperature of flue gas side is higher than that of acid dew point, it is more conducive to the prevention of low-temperature corrosion at the cold end of air preheater, and the operation of the unit is more safe.
Temporal Distribution Characteristics of PM2.5 in Beijing and Its Influencial Factors
Authors: Chen Ansheng Zhang 
Published: November 2020

Abstract
With the development of China, the environmental problems become serious and attract much concern. Among all the problems, the air pollution caused by PM 2.5 is one of the most serious one. Therefore, this study focus on this problem and analyzes the season series distribution characteristics and influencing factors of PM2.5 through statistical analysis and Spearman and Pearson correlation coefficient method. According to the research result of this paper, the concentration of PM2.5 varies from low to high in spring, summer, winter and autumn. On the whole, PM2.5 concentration in Beijing is negatively correlated with temperature difference, relative humidity and precipitation. Besides, the PM2.5 concentration in Beijing shows a strong correlation with the local wind speed.
Research and Application of Repair and Reinforcement Technology for Typical Aqueduct in Northwest Region
Authors: Wang Fusheng , Ma Yu , Yang Qingsheng , Xia Shifa , Li Xiulin 
Published: November 2020

Abstract
The old aqueduct has some defects, such as the difficulty of upgrading and increasing the water demand in the irrigation area. Combined with the environmental characteristics of the northwest region, this paper relies on the Ningxia Hongjingkeng aqueduct maintenance project and uses the repair and reinforcement technology of large-scale aqueduct structure, which can completely solve the shortage of the aqueduct project. It can provide important scientific and technological support for ensuring the safety of water delivery in irrigation areas and improving the water supply capacity of irrigation areas.
Research on the application of improved SVM model in dam displacement and deformation prediction
Authors: Chenghui Wan , Jiancheng Xie , Xiong Peng 
Published: November 2020

Abstract
Aiming at the influence of dam deformation on many factors, the kernel principal component analysis method is used to compare the factors affecting dam deformation, and the main factors affecting dam deformation are determined. The kernel function of support vector machine is selected, the main influence factor is input, the dam deformation is output, and the optimal parameters are obtained by grid search and cross-verification to establish the model. The deformation results are studied and analyzed, and the prediction effect is evaluated by absolute error and RMSE, and compared with the standard SVM model and the Prophet method based on time series. The results show that the accuracy of support vector machine model is improved obviously by optimizing parameters such as radius of kernel function and penalty factor through mesh optimization, and the prediction accuracy of nonlinear small sample data is significantly higher than that of time series method.
Research on the Impact of Producer Service Industry Agglomeration on Economic Green Transformation
Authors: Yixin Huang , Li Yang 
Published: November 2020

Abstract
This paper selects the data of the lower Yangtze River Economic Belt from 2013 to 2017 as the reference. First, the location entropy method is used to measure the level of producer services agglomeration. Through the establishment of the SBM model, the input and output indicators are introduced to calculate the trend of economic green transformation in provinces and cities of lower Yangtze River economy. Finally, this paper takes the green efficiency value as the dependent variable and uses the five quantities such as the agglomeration degree of the producer service industry as independent variables to construct the Tobit model, and uses the MLE method to measure the variable coefficients to analyze the impact of the agglomeration of the producer service industry on the economic green transformation. The results show that in the lower Yangtze River Economic Belt, Shanghai, Jiangsu Province and Zhejiang Province have a good development trend in the green transition of the producer service industry agglomeration economy; and they all show the spatial distribution characteristics of “east high and west low”; producer services Industry agglomeration has a significant positive role in promoting green economic transformation.
Research and development on industrial heavy metal wastewater treatment technology
Authors: Chen Bo , Chen Yuchao , Xu Lufeng , Zhang Yiming , Li Haixiang 
Published: November 2020

Abstract
With the development of industrial technology and the improvement of industrialization, the discharge of heavy metal wastewater gradually increases. Heavy metals are the main sources of water pollution, and heavy metal wastewater mainly comes from mines, smelting, electrolysis, electroplating, pesticide, medicine, paint, pigment and other enterprises. In this paper, the common heavy metal wastewater treatment technology is summarized, and the characteristics and treatment methods of industrial wastewater are mainly introduced.
Broodstock cultivation of the yellow seahorse, Hippocampus kuda Bleeker, in the aquarium culture system
Authors: Sun Jinhui , Xie Shangduan , Shao Peng , Xia Sudong , Yang Yanjing , Cui Pei , Chen Shaoyang 
Published: November 2020

Abstract
To improve the yield and survival rate of the offspring, the broodstock cultivation methods of the yellow seahorse, Hippocampus kuda Bleeker, were assessed, including the temperature conditions, diets, culture density and mono-or mixed-sex culture. Feeding parent seahorses with live food increased fecundity, and culture density of more than two pairs of parents during mating improved the survival rate of both sexes and decreased the production cycle. Additionally, separate culture of males and females prior to mating improved fecundity as well as the survival rate of juveniles. A higher number of larvae per batch was produced at 26 °C than at 30°C and 22°C, whereas seahorse production occurred at a higher frequency at 30 °C than in the lower temperature treatments. These results suggest that the optimal culture conditions for H. kuda are as follows: provide live food when cultivating seahorse broodstock, use equal proportions of males and females during mating, use monosex culture at other times, and maintain seawater temperature of 26 °C.
Current Standardization and Inspiration of Economical and Intensive Utilization of Land Resources in China
Authors: Liangbing Hu , Qiqi Tan , Gongsangzhuoma  , Zhaxiyangzong  , Xiaolei Ma 
Published: November 2020

Abstract
Economical and intensive utilization of land resources is an important solution for the shortage of construction land in China. It is important to summarize the mode and experience of standardizing the economical and intensive utilization of land resources to generate experience that can be replicated and promoted in different locations. This paper analyzes the construction of standardization technology organizations for utilization of land resources, the basis for economical and intensive utilization of land resources, and the current standardization of technology and real-time supervision, and puts forward suggestions on development.
Analysis of Popular Science Design of Huangpu Shiling Marine Erosion Site Geopark in Guangdong-Hong Kong-Macao Greater Bay Area
Authors: Li Xiuyun 
Published: November 2020

Abstract
Based on the analysis of the current situation of the science popularization system of the Huangpu Marine Erosion Site Park in the Guangdong-Hong Kong-Macao Greater Bay Area, the significance and design concepts of the geological science design of the marine erosion sites in the park are elaborated by means of field investigations, so as to provide reference value for the science popularization planning of Huangpu marine erosion site Geopark.
Variations of Pb Content in the Bottom Waters of the Jiaozhou Bay from the South of the Bay Mouth to the Central Bay Area
Authors: Yang Dongfang , Yang Danfeng , Zhu Hong , Ling Weifeng , Li Haixia 
Published: November 2020

Abstract
According to research data of the Jiaozhou Bay waters in 1992, current variation and horizontal distribution of Pb content in the bottom waters of the Jiaozhou Bay from the south of the bay mouth to the center of the bay were studied. The results show that in May, August, and October, Pb content in the Jiaozhou Bay water ranges from 4.20 to 24.39μg/L, which is in line with the national Class II, Class III, and Class IV seawater quality standards. This result indicates that in May, August and October, in the studied waters, the water quality was slightly, moderately and heavily polluted by Pb content, further revealing that under the effect of vertical water bodies, the bottom waters from the south of the bay mouth to the southeast of the bay, to the center and the southwest of the bay have been severely polluted by human discharge of Pb content. In addition, in the bottom waters of the Jiaozhou Bay from the south of the bay mouth to the center of the bay, Pb content showed high settlement: in May, the southeastern waters; in August, in the central waters; in October, in the southern waters. Therefore, the lead content of Jiaozhou Bay in different months and different places showed high deposition.
Evaluation of green development level of resource-based regions-taking growth resource-based city as an example
Authors: Ting-yu Wang , Sheng-xi Ding 
Published: November 2020

Abstract
This paper builds a green development evaluation index system, selects the data of 2017 in 20 growing resource cities across the country, and comprehensively uses factor analysis and entropy method to quantitatively evaluate the green development comprehensive level index of each city. The results of the study show that there are significant differences in the green development level of each growing resource-based city. Finally, it analyzes and proposes countermeasures and suggestions for promoting the green development of resource-intensive cities.
Analysis of three gaps in the teaching system of environmental impact assessment (EIA) and the improvement based on application-oriented talent training
Authors: Tian Dayong , Wang Tao , Su Wenhui , Yang Shuang , Zheng Yong , Zhao Menglei , Cheng Sisi , Niu Yongshen , Liu Xiaotao 
Published: November 2020

Abstract
With the rapid industrialization of China in the past decade, China’s environmental management system, especially the environmental impact assessment (EIA) system, has changed greatly. The relevant regulations and guidelines have been revised significantly. This set higher requirements for the teaching system of environmental impact assessment in universities. Some problems occurred between the continuously updated EIA system and the outdated teaching system. How to develop an appropriate teaching system for application-oriented talent training is becoming a hot issue in the current research on the teaching reform of EIA. The objective of this study is to investigate the problems existing in the teaching system of EIA, analyse the changes of the guidelines, and develop a new method of teaching reform based on case-teaching and the defense-based assessment method. The study provides an insight for the training of application-oriented talents in the field of environmental engineering.
A Study of China’s Regulations and Standards Concerning Safety Risk Control of Dangerous Goods in Ports and Waterborne Transport
Authors: Ma Minglu , Fengyun Chen 
Published: November 2020

Abstract
To find out the weaknesses of China in safety risk control of dangerous goods in ports and waterborne transport and give some suggestions on improvement, this paper explored relevant Chinese regulations and standards and compared some of them with foreign ones. Building on this, it made a comprehensive analysis of the regulations and standards in four aspects – control over major hazard installations, risk management, potential hazard inspection and elimination, and emergency management. After analyzing the requirements and operability of the regulations, this paper pointed out the disconnections and loopholes in the existing regulations and standards; besides, it gave some suggestions on strengthening safety risk control of dangerous goods in ports and waterborne transport and formulating and revising the regulations and standards concerning the four aspects. All these will be significant for defining China’s risk control and improving its management in ports and waterborne transport.
Risk Assessment on Ship’s Oil Spill of Yangtze River Main Line Wharf
Authors: Shangyu Li , Jian Deng 
Published: November 2020

Abstract
With the rapid development of the inland shipping in recent years, the risk of wharf pollution from ship is increasing. Thus, it is necessary to make a scientific assessment on ship pollution risk. This paper proposes a risk assessment according to the ship pollution at regional port by using a typical petrochemical wharf in Wuhan section of Yangtze River main line as an example, carries out a comprehensive evaluation from the aspects of risk identification, risk probability and risk level calculation, and pollution consequence prediction. The results of the wharf risk assessment are important for the development of the ship pollution risk counterplans.
Photocatalytic degradation of oily wastewater by ZrO2(Er3+)/TiO2 composite photocatalyst
Authors: Liu Yunqing , Feng Dan , Wang Xinglei 
Published: November 2020

Abstract
Photocatalyst/polypropylene ball which can float on the water is prepared through coupling agent method, and the photocatalyst is the ZrO2(Er3+)/TiO2 which is fabricated by co-precipitation. The diesel and crude oil degrading experiments are made with the floating photocatalyst and powder photocatalyst. After 8 hours illuminating in visible light, the removal rate of diesel in float experiment can reach 98%, however the rate in ZrO2(Er3+)/TiO2 powder experiment is 68%. The removal rate of crude oil in float experiment is more than 96%, which is much higher than the removal rate of 39% of crude oil in ZrO2(Er3+)/TiO2 powder experiment.
Experimental study on interference source of smoke fire detector in religious building environment
Authors: Zhong Chen , Li Xiaobai , Liu Xiaopeng , Ding Hongjun 
Published: November 2020

Abstract
In this paper, the interference sources of smoke fire detectors in religious buildings and sacrificial places are analyzed, and focuses on the study of smoke interference generated by incense and butter lamps that may affect smoke detectors. Based on the standard combustion laboratory and testing methods stipulated by the International Organization for Standardization (ISO), different types of sandalwood and butter were used to carry out the incense burner and butter lamp simulation tests. Through data analysis of the smoke interference of incense and butter lamps, and the comparison of the response performance from the same detector under 4 standard test fires and interference, the possibility of false alarm of smoke detector caused by typical interference sources in religious buildings is analysed.