bluuebunny/crossref_metadata_2025_split huggingface dataset:
Research and Field Application of ultra-high temperature and high pressure gas wells test in the northern slope of Tazhong
Authors: Cui Longbing , Liu Lian , Xie Jin , Zou Wei , Zhang Naiyan 
Published: July 2020

Abstract
The Shunnan block located on the northern slope of Kathake uplift on the footwall of the Tazhong No. 1 fault zone in the central uplift zone of the Tarim Basin is featured by ultra-large burial depth, which results in the formation pressure of higher than 140 MPa, the formation temperature of higher than 200°C, the serious leakage of large density mud and the extremely-high difficulty in test. Through continuous innovation and exploration of processes and technologies, and continuous summing up of experiences, a complete set of test technologies for the three ultra-wells in the Shunnan block have been formed and successfully applied in the test of well NS7 that has the most adverse working conditions, which provides a certain reference significance for the test of similar three ultra-wells.
General situation and hydrologic characteristics of xijiang river basin
Authors: Zhou Chengfeng , Pan Binlin , Jin Xin 
Published: July 2020

Abstract
Taking Xijiang River Basin as the research area, this paper introduces the general situation of natural geography of the area, analyzes the hydrological characteristics of precipitation, evaporation, runoff, flood and water quality, analyzes the change law of each hydrological element, and provides the hydrological and meteorological regular data for the regional social and economic construction.
Prediction and Spatial Correlation Analysis of Standard Grain Theoretical Capacity for Land Improvement Based on GIS Technology
Authors: Kong Hui 
Published: July 2020

Abstract
China has a large population and a limited area of arable land. In recent years, society has developed rapidly, the area of arable land has gradually decreased, and the issue of food has become a highly regarded issue. With the promulgation of a national policy to adhere to the red line of 1.8 billion acres of arable land, the rational management and improvement of unused and degraded lands will be improved, and the problems will be solved in terms of both arable land area and arable land quality. To sum up, the issue of grain is the issue of yield. The fluctuation of grain yield is the most critical factor. Therefore, the use of GIS technology to analyze and monitor the change in grain yield from cultivated land resources has become a new management of cultivated land resources. And powerful means of optimal use. In this paper, the correlation coefficients of spatial autocorrelation are used to characterize, through the global spatial autocorrelation and local spatial autocorrelation, with the help of statistical yearbook data processing, the theoretical capacity of Shaanxi Province standard grain unit theoretical capacity is predicted and spatial autocorrelation analysis is performed.
Comparative Test and Analysis of Falling-Ball Instrument and FWD Deflection Detection Method
Authors: Zhang Chunxia , He Huayang , Xue Yingqi , Luo Zhu 
Published: July 2020

Abstract
Through the experiment, the deflection detection methods of the falling-ball instrument and the falling weight deflect meter (FWD) were compared, and their correlations were analyzed. The results show that the test depth and range of FWD are larger than the falling-ball instrument, and there is a good linear relationship between the road surface deflection values measured by the falling-ball instrument and FWD.
Study on the Best Shape and Stability of Sand Castle
Authors: Zhang Wenqiang , Zhang Ziliang , Liu Zhiwen , Ye Chunsheng 
Published: July 2020

Abstract
This paper analyzes the factors that influence the stability of the sand castle, and sandcastle stability of different shapes are care, by modeling concluded. Beach sand castle by both tidal and wave interaction. Through some will be converted to calculate the impact of the two together, we simulate water flow after the start ashore process to Shah’s fort, through to find reasonable assumptions speed of the water and the water depth and leave as a function of the distance between the coast, while the unified regulations the volume of the sand castle is 8 m 3, and the distance from the bottom of the sand castle to the coast is 2 m to 4 m to facilitate the comparison of the influence of water flow. Firstly, we have determined that cones are the best basic 3D geometric foundation of sandcastle. This model is a simple static model, because we want to avoid the situation that force exerted by seawater can directly destroy our foundation of sandcastle. Secondly, we made starting coulombic stars increases the shear strength is necessary to increase the internal friction angle, and then we made derived experimental data of the relationship between the angle of internal friction and the ratio of water and sediment. In the role of rainwater from this San Ge analyzed angle that is, the rain will affect the flow of water into the sand castle of speed and depth, while the rain continued the process, make sandcastles water content increases large, shadow rang its strength, finally, rain the shock effect, the presence of momentum, will destroy the strength of the sand castle.
Study on the Reclamation and Ecological Reconstruction of Abandoned Land in Mining Area
Authors: Zhang Yabo , Sun Sha 
Published: July 2020

Abstract
Land is the basis of human existence and an important foundation for social development [1]. Due to its vulnerability and particularity, the land in the mining area has attracted much attention in the ecological environment protection work. With the development of mineral resources, it will inevitably cause damage to the environment and land. Open-pit mining, mining waste accumulation, ground collapse, etc. have produced a large number of mine wasteland, which has severely damaged the ecological environment of the mining area. The reclamation of abandoned mine land in China started late, and there is still a big gap compared with the international level.Therefore, it is necessary to fully excavate the production potential of mine wasteland, increase the utilization intensity of mine wasteland, improve the regional ecological environment, and promote the healthy and sustainable development of the regional national economy. This article summarizes the research status of abandoned land reclamation in the mining area and the impact of the polluted land in the mining area on the surrounding ecological environment, so as to put forward a sustainable development path from the perspective of the sewage discharge system of the mining area, mine reclamation, and soil remediation around the mine.
Research on Methods and Application of Remote Sensing Technology in Geological Hazard Monitoring and Management
Authors: Qu Tengfei , Tian Gen , Tang Mingxiu 
Published: July 2020

Abstract
In recent years, remote sensing technology has developed rapidly, and it has been increasingly used in the investigation and monitoring of geological hazards. Based on this, this article studies the research methods and applications of remote sensing technology in the monitoring and management of geological hazards. First introduced the concept of remote sensing technology and its advantages in information acquisition in disaster areas, and then briefly described the development process and current status of remote sensing technology. Then analyzed the research methods of remote sensing technology in geological disaster investigation, including the establishment of interpreted signs and interpretation of typical disasters in the survey area. Finally, the detailed application of remote sensing technology in earthquake and landslide disasters is explained in detail, and the future development direction of remote sensing technology in geological disasters is pointed out. Only continuous innovation and research can remote sensing technology be better used in disaster prevention and monitoring.
Analysis of long-term temperature monitoring data of a RCC dam in alpine region
Authors: Wu Hao , Cai Hao , Yan Junda , Zhao Chunlin , Zhang Shujun 
Published: July 2020

Abstract
Based on the monitoring data of a roller compacted concrete dam in an alpine region, the paper analyses the relationship between environmental factors and reservoir water temperature, dam body temperature and foundation temperature, and the changing law, so as to explore the actual internal temperature state of the dam, and provide useful technical support for the long-term safe operation of the dam.
Coal quality characteristics and coal accumulation patterns of seam No.4 at medium depth in Longting mining area, Weibei P-C Coalfield
Authors: Pan Chunjuan , Wang Hui , Fan Yuhai , Wang Junfeng , Cui Sheng 
Published: July 2020

Abstract
On the basis of collecting the latest exploration data of the study area, the authorsmade the research of the coal quality characteristics and coal accumulation patterns of seam No.4 at medium depth, which provided geological basis of the construction of high production and efficiency coal mine and the next coal resources exploration. The results show that the seam No.4 is black - brown-black, semi bright coal type, at the VII phase of the medium rank coal, high calorific value, easy to grind, nonagglutinating, noncoking and at the relatively high - high softening temperature gray level. The raw coal of seam No.4 generally belongs to middle ash coal, ash yield gets higher from south to north. It’s given priority to a low ash coal in the south and middle ash yield coalin the north. The seam No.4belongs tolow-sulfur coal, and shows “dumbbell” type in sulfur contour map, withthe basic characteristics of low in the middle, high on both east and west sides and higher in southwest, lower in northeast. The thickness and deposition range of the seam were controlled by ancient fluvial erosion after the coal-accumulating period around the Qiao8-11 holes in the south of study area and in the other area, during the coal-accumulating period were controlled by syndepositional structures.
Classification and treatment of urban domestic garbage in China
Authors: Fan Zhiguo , Meng Junru 
Published: July 2020

Abstract
In recent years, China’s urbanization and industrialization have developed rapidly. As cities continue to expand and people’s living standards continue to increase, the amount of domestic waste produced has also increased with each day, and has become more and more diversified, leading to prominent problems in urban waste disposal. With the rapid development of urbanization, the phenomenon of “garbage siege” has become increasingly prominent, and the living environment of residents has also gradually deteriorated. From the perspective of sustainable development strategies, strengthening the classification of urban waste is of great significance and will become a social Big development trend. The effective classification of garbage is not only good for the environment, but also beneficial to human beings. By comparing the current status of domestic garbage disposal at home and abroad, this article summarizes the problems of urban domestic garbage in China and gives a reasonable treatment plan.
Analysis of measures to improve the quality of atmospheric environmental monitoring
Authors: Wang Kai 
Published: July 2020

Abstract
With the continuous deterioration of environmental quality, environmental issues have become one of the important factors restricting China’s economic and social development. The levy of the environmental protection tax in 2018 is a major measure of the state in the governance of environmental issues. The theoretical analysis of taxes on environmental governance is particularly important. Environmental monitoring quality has a crucial impact on environmental management. Environmental monitoring is an important part of the environmental protection system. In the current environmental monitoring work, there are many factors that affect the quality of environmental monitoring, and these factors must be comprehensively and carefully analyzed. Pay sufficient attention to various factors affecting environmental monitoring, strengthen the management of environmental monitoring quality, and further improve the quality of environmental monitoring. This paper mainly analyzes and explores the influencing factors of the quality of environmental monitoring, and puts forward corresponding countermeasures based on this.
Study on the Relationship between Global Hurricane and Global Warming
Authors: Ma Xiaoyan , Fang Hong 
Published: July 2020

Abstract
In order to measure the intensity of global hurricanes, this paper selects the frequency ofhurricanes, the average grade and the mean wind speed as the indexes of intensity. Firstly, the annual hurricanes frequencies in the Atlantic Ocean, the Western Pacific, the East Pacific, the North Indian Ocean and the South Indian Ocean and the global average hurricanes scale and average wind speed, train the existing data through wavelet neural network and predict the occurrence frequency of hurricanes in the next 20 years. According to the scatter plot drawn from the known data, it is found that the global hurricane frequency, the average grade and theaverage speed of wind, which showing periodic changes, but generally increase. As a result,the intensity of global hurricanes has generally been enhanced in the current phase of observations.
Research on the problems and Countermeasures in the safety supervision of dangerous chemicals in Qingyang City
Authors: Sun Ning , Gai Ke , Wang Yipeng , Li Zhenhua , Chen Zhanjun 
Published: July 2020

Abstract
This paper mainly analyses the problems existing in the safety supervision of dangerous chemicals in Qingyang City, and further provides scientific and reasonable countermeasures for the existing problems, so as to effectively prevent and reduce the accidents of dangerous chemicals and ensure that people’s lives and properties are not threatened.
Study on the genetic characteristics of spring water in four spring groups of Jinan
Authors: Li Jiangbai , Xing Liting , Zhao Zhenhua , Li Changsuo , Wu Dongqiang , Meng Qinghan 
Published: July 2020

Abstract
In order to protect the four spring groups in Jinan, it is very important to study the formation characteristics of the karst spring in Jinan. Based on the geological and hydrogeological conditions of Jinan spring group outcropping area, this paper makes a comprehensive study on the karst aquifer void type, spring water supply source, spring water gushing state, spring water flow, spring water temperature and conductivity, spring water chemistry data in the recharging area, so as to determine the genetic types of four spring groups. The results are as follows: (1) Baotu spring and Heihu spring have a similar genetic structure, their circulation depth is relatively shallower, and they are greatly affected by Ordovician karst water in the direct recharging area. Tanxi spring and Pearl spring have a similar genetic structure with a deeper circulation depth, which are greatly affected by Cambrian karst water in the indirect recharging area. Tanxi spring and Pearl spring have a similar genetic structure with a deeper circulation depth, which are greatly affected by Cambrian karst water in the indirect recharging area; (2) Baotu spring and Heihu spring are long-running cold springs recharged by confined water, which belong to erosion rising spring; Pearl spring and Wulongtan are long-running large and medium-sized cold springs recharged by pressurized water, which belong to contact rising spring. The research on the genetic characteristics of spring provides a scientific basis for spring protection in Jinan.
Analysis of Global Warming Development Research -- Taking Scottish Fisheries as an Example
Authors: Zhang Jiahe 
Published: July 2020

Abstract
As the carbon emissions caused by human activities continue to increase, the greenhouse effect continues to increase, leading to global warming, which changes the global ocean temperature, and marine life migrates to future life and habitats that are easy to reproduce successfully. This is a company that depends on marine life the economy has caused severe impacts. This article focuses on the distribution of two fish populations that have significant economic contributions to the fisheries in Scotland, analyses the data related to global warming and climate factors, and further proposes a stable plan for the fishery economy in Scotland.
Impact Analysis of Supply-side Structural Reform on Sulfur Dioxide Emissions in Chengdu Based on Leap Model
Authors: Dong Xueyang , Li Hao , Wang Yuanyuan , He Shenkuan 
Published: July 2020

Abstract
In order to clarify the socio-economic pollution of the global atmospheric environment, as far as Chengdu is concerned, there is a lack of strategic scenario analysis of long-term changes in industrial sulfur dioxide emissions. Therefore, this article builds on Chengdu based on existing research. Based on the social development background from 2015 to 2025, the Leap model is used to evaluate the long-term impact of supply-side reforms on the sulfur dioxide emissions and emissions intensity of the Chengdu industry. This paper builds a Leap-Chengdu industry sulfur dioxide emission model, which predicts different scenarios and different scenarios. Different energy consumption between sectors, so as to predict the sulfur dioxide emissions and emissions intensity between different industrial sectors under different scenarios in Chengdu.
Knowledge Mapping on Literature Research Progress of Human Thermal Comfort in buildings Based on Web of Science
Authors: Cheng Xiang , Yang Lei , Cao Jian , Liang Dongyang , Song Gaoju 
Published: July 2020

Abstract
This study focused on hot topics and front of thermal comfort in buildings by knowledge mapping of 577 research papers from 2009 to 2019 in the database of Web of Science as samples. CiteSpace software was used as the analyzing tool. The results showed the trend of the published researches on thermal comfort by analyzing high-frequency co-occurrence keywords and the keywords’ frequency variation. The results also showed that the researches on thermal comfort about health had increased rapidly in recent years. Moreover, the institutions and authors involved in healthy indoor thermal environment were mostly from economically developed countries or regions. However, the productive author collaboration network had not been formed yet. Improving environmental quality is the forefront of current researches. The research of indoor environmental quality based on health may be a hot topic in the future.
Problems in the Prevention and Control of Urban Pollution and its Significance
Authors: Feng Caicai , Qiu Lijie , Zhang Lijuan 
Published: July 2020

Abstract
Since the beginning of the new century, with the continuous development of urbanization, the problem of urban pollution in China has gradually emerged. based on this, this paper probes into the present situation and prevention significance of urban environmental pollution. and according to the analysis of urban pollution problems, the corresponding design methods are given, so as to provide a clear direction for human beings in the prevention and control of urban pollution.
Parameter design of rotary kiln incinerator and application analysis in engineering cases
Authors: Liu Shiwen , Wang Fei , Wu Junwei 
Published: July 2020

AbstractIn this paper, according to the type and scale of hazardous waste incineration, process selection, design of rotary kiln incinerator, and the engineering principle and performance characteristics of rotary kiln incinerator system are analysed, and the proposed method is verified by practical engineering examples. The results showed that the temperature of rotary kiln is controlled at about 850 °C, the residence time of hazardous waste in rotary kiln is about 60min, the rotating speed is 0.88r/min, and the inclination angle is 1.75. The temperature of the second combustion chamber is more than 1100 °C, and the residence time of flue gas in the second combustion chamber is more than 2S. After continuous incineration, the reduction rate of slag ignition is less than 5%, the removal rate of fly ash is more than 99.99%, and the flue gas is discharged up to the standard.
Calibration of Air Quality Data Based on Multiple Regression Model
Authors: Zhang Hanping 
Published: July 2020

Abstract
According to the data of question D’s Annex 1 and Annex 2 of the National University Student Modeling Contest 2019, the correlation between the 6 air quality data errors and 5 meteorological factors at the self-built station is obtained by using the gray correlation method. Using the multiple linear regression method,and making the difference between the air quality data of the self-built station and the national control station as the dependent variable, and the meteorological data of the self-built station as the independent variables, six multiple regression equations were established to correct the air quality data of the self-built station.
Research on the Emission Inventory and Pollution Characteristics of Air Pollutants from Ships in Beijing-Tianjin-Hebei Area
Authors: Zhang Fan 
Published: July 2020

Abstract
As the key areas of China’s air pollution control, Beijing-Tianjin-Hebei region are the busiest sailing area for ships. Therefore, the impact of air pollution caused by ships cannot be ignored. The bottom-up “dynamic method” was used in this study and the ships’ navigation process was divided into three processes: docking, entering and exiting port and cruising, and the emission of air pollutants from ships was calculated respectively, and the calculation method of air pollutants emission inventory for ships with high temporal and spatial resolution was established. Based on the ships’ basic information data from maritime database of China Classification Society and Lloyd’s Register, the Automatic Identification System data and the emission factor data for ships, the emission inventory for ships in 2014 in Beijing-Tianjin-Hebei area was calculated. In addition, the study also analyzed emission share rate of air pollutants from ships and the uncertainty of emission inventory.
Comparison Studying of Concentrated and Traditional Infiltration of Rainfall Runoff in Sponge Cities
Authors: Guo Chao 
Published: July 2020

Abstract
Many studies have been conducted on the volume reduction and pollutants purification effect of low impact development (LID). However, the comparison between the concentrated infiltration and traditional infiltration of rainfall runoff has been rarely explored. In this study, the difference between concentrated and traditional infiltration mode in sponge cities is analyzed from water infiltration and pollutant purification. Then the infiltration mechanism and the pollutant adsorption, microbial degradation, plant absorption or accumulation processes are compared thoroughly. At last the future development direction of sponge city is also prospected. The conclusion of this study could provide scientific basis and theoretical support for the rational allocation and popularization of rainfall runoff infiltration measures, and promote the healthy development of sponge cities in China.