bluuebunny/crossref_metadata_2025_split huggingface dataset:
The influence of Cd Content Transported by Different Sources on Different Surface and Bottom Layers
Authors: Yang Dongfang , Yang Dong , Ling Weifeng , Lin Dong , Li Haixia 
Published: December 2020

Abstract
According to the investigation data of Jiaozhou Bay in 1992, the vertical distribution, horizontal distribution and seasonal variation of Cd in the surface and bottom waters from the center of the bay to the south of the mouth of Jiaozhou Bay are studied, and the seasonal distribution, range of distribution and horizontal distribution trend are determined. The results show that in May, August and October, in the waters from southern mouth to the center of the bay, the Cd content of surface and bottom waters ranged from 0.12-1.19μg/L, in line with the national water quality standards for Class I and Class II seawater, which indicates that water quality was slightly polluted by the Cd content orwas not polluted. The surface levels of Cd vary seasonally from low to high: spring, summer, and fall, the same was true for Cd seasonal variation in bottom waters. In the surface and bottom waters of Jiaozhou Bay from the south of the bay mouth to the center of the bay, in May, August and October, when the Cd content in surface waters was relatively low, and the corresponding bottom layer was relatively low; when the Cd in surface waterswas relatively high, the corresponding bottom layer was relatively high; this shows that the loss of Cd content both from the surface and the bottom was relatively high. In May, August and October, in the waters from the southeast of the bay to the center of the bay, the horizontal distribution of Cd in the surface and the bottom waters have an opposite trend. From May to October, the seasonal variation of Cd content in surface waters in the southeast of the bay was mainly affected by the Cd content transported by main sea currents, while the bottom waters are mainly affected by river-transported Cd content. From May to October, in the central waters of Jiaozhou Bay, the seasonal changes of surface and bottom Cd content are not consistent withthat of Cd content transported by main sea currents. On the temporal scale, in the waters of Jiaozhou Bay from the south of the bay to the center of the bay, in May, August and October, the Cd content in the surface and bottom watersvariateswithin the same range, maintaining the consistency. On the spatial scale, in the waters from the southeast of the bay to the center of the bay, in May, August and October, according to the comparison between the Cd content transported by main sea currents and that transported by rivers, it can be proved that the horizontal distribution of Cd content in the surface waters was opposite to that of in the bottom waters.
The Charging Characteristics of Electric Vehicle Group Under the Mode of Shared Travel
Authors: Chen Chongchen , Wu Zhigang , Zhu Junliang , Su Entong 
Published: December 2020

Abstract
In the future, travel revolutions such as shared travel will bring great changes to the structure of transportation, and the charging characteristics of electric vehicle will also be affected. This paper takes the new travel mode as the research background and models the driving and charging behavior of electric vehicle group. Then the multi-agent technology is used to build a large-scale electric vehicle group simulation model. This model fully considers the capacity constraints of traffic network and charging station, which can be used to simulate the actual behavior of electric vehicle group. Finally, the charging load curve of the electric vehicle group under the new travel mode is obtained based on simulation. The result shows that as the proportion of shared travel increases, the daily average charging load keeps increasing, and the charging load peak comes earlier and lasts longer.
Research on the Development and Innovation of Animation Industry in Jilin Province in the Internet Big Data Era
Authors: Liu Kun , Sun Xing Qu 
Published: December 2020

Abstract
China has entered the era of informatization of big data on the Internet. The Internet has subtly influenced people’s study, work and life, and even influenced the process of social development. At present, China is moving from a big Internet user country to a strong Internet technology country. The development of the Internet industry has been scaled up, and its application field is gradually becoming multi-dimensional. Today’s animation industry, as a new format for the development of cultural and creative industries, is facing business opportunities and challenges. Traditional communication methods have been unable to meet the development needs of the market, and animation companies have begun to turn to the field of new media networks. Europe, Japan and developed countries such as the animation industry development history tells us that the animation industry development not only is relying on the overall planning of the industrial chain, rational distribution, but also the full use of the Internet in big data, the development of new media technology to build a platform for the development, transformation and upgrading Industrial operation model.
Calculation of influence range of impact holing on the adjacent railway
Authors: Feng Zhongju , Yin Jixing , Chen Jinhua , Guo Suizhu , Wu min 
Published: December 2020

Abstract
In order to solve the impact of actual construction projects on the existing surrounding environment, the impact and vibration of the impact on the existing railway subgrade stability caused by the construction of the bridge foundation are analyzed. Based on the actual case of the construction project of No. 37 main pier across the Jiaoji Railway Main Bridge at Binlai expressway, the influence of the impact holing on the adjacent railway is analyzed. The influence range of the construction vibration is based on the Chinese Seismic Intensity Scale (GB/T 17742-2008) and Safety Regulations for Blasting (GB6722-2014), and taking the maximum velocity allowable value as criterion, the minimum safety range of impact drilling is obtained. Using the theory of small hole expansion to calculate the influence of the effect of soil compaction, the minimum allowable value of safe distance for the Construction technology of impact forming hole is considered 6.5m; in addition, based on the numerical simulation of nonlinear time history analysis, a reasonable exciting force parameter is given for practical engineering. The influence of impact amplitude A and impact frequency f on construction safety distance is analyzed. The results show that: The minimum safety distance of impact drilling is linear with the increase of impact amplitude A. When the impact frequency f is greater than 10Hz, the minimum safety distance tends to a fixed value as f increases. The results of this study guide the actual construction of the field, it guarantees the normal traffic of the Jiaoji Railway and provides a theoretical support for similar projects.
Modeling of well-seismic structure
Authors: Wenchao Liu 
Published: December 2020

Abstract
The characteristics of the fault system are analyzed by using the 3D method and the combination of well-seismic and break-point method. The structural model is established by using the combination of logging and seismic data, to guide the adjustment of oilfield development. The results show that the fault combination, fault orientation and Extension Direction are obviously different from those before, and the large structure pattern of the study area has not changed, a structural model based on the combination of logging and seismic data, which is faithful to the well point data and retains the relative trend of seismic data, is better than the model based on logging data, it’s more like an underground structure.
Research on 4D Visualized Dynamic Construction of BIM Building Decoration
Authors: Xin-yao Huang , Shu-Fen Yang , Kun-Fa Lee 
Published: December 2020

Abstract
BIM visualization 4D technology is applied to residential decoration and decoration construction sites, to establish Project and Revit model perspective analysis through Autodest Navisworks software, and make personalized modifications according to the different needs of customers to meet the current internal needs of fashionable buildings and dynamic decoration.
Experimental Study on Mechanical Properties of Soft Clay under Different Stress Paths
Authors: Lu Yuan , Ke Wenhui , Huang Xiangguo , Xiao Mingzhao , Chen Bin , Huang Juehao , Chen Jian 
Published: December 2020

Abstract
In actual engineering, when the soil element is subjected to load, the stress state will change accordingly. In this paper, undrained triaxial stress path tests for Ningbo reshaped saturated soft clay under different confining pressures are carried out. The test uses the GDS bidirectional vibrating triaxial instrument. The stress path dependence of saturated soft clay is studied. The stress-strain relationship and undrained shear strength under different stress path conditions are mainly analyzed. The test results show that the stress-strain relationship of the stress path test is obviously non-linear, basically strain hardening. The stress-strain curves of saturated remolded soft clay under different stress paths and consolidation pressures can be expressed in hyperbolic form. The initial stiffness E0 basically increases with the increase of the deflection angle of the stress path. The test results have certain reference significance for foundation pit and tunnel engineering.
Pricing and incentive strategy for construction supply chain w ith carbon emission sensitive heterogeneous demand and gove rnment subsidies
Authors: Jiang Wen , Wang Lu , Shi Kanfeng 
Published: December 2020

Abstract
Based on consumers’ purchase intention, this paper obtains the utility function of carbon emission sensitive heterogeneous consumers and establishes a two-level supply chain model composed of the owner and the contractor under the government subsidy. Based on the principle of maximizing the profits of each member of the supply chain, the optimal pricing, incentive intensity and emission reduction effort level of the owners and contractors are obtained. On this basis, the influences of government subsidies, customer composition ratio and carbon sensitivity on the owner’s optimal decision are analyzed. The results show that, with the increase of government subsidies for the contractor emission reduction costs, the proportion of carbon emission-sensitive consumers and the carbon sensitivity of consumers will increase, and the market demand will be increased, which will not only improve the profits of owners and contractors, but also the contractors’ emission reduction efforts. It can provide decision-making reference for enterprise product pricing, emission reduction and government subsidies.
Study on development characteristics of horizontal freezing temperature field in subway connecting passage
Authors: Yu Changyi , Lu Mingyue 
Published: December 2020

Abstract
The freezing method is often used in underground excavation projects with high requirements for water stop and support. However, with the increasing complexity of the project, the freezing form is becoming more and more complex, and it is difficult to calculate the temperature field law by theoretical analysis. As a powerful simulation method, numerical calculation can be used to simulate the development of temperature field in complex horizontal freezing engineering. Based on the horizontal freezing construction of a subway connecting passage, this paper analyzes the development characteristics of horizontal freezing temperature field, and the results are in good agreement with the measured data. It is proved that the numerical simulation method can be used to simulate this kind of project, and the results can be used to guide the design and construction of related projects.
Study on temporal and spatial variation of temperature field in horizontal freezing and thawing settlement
Authors: Yu Changyi , Lu Mingyue 
Published: December 2020

Abstract
Artificial freezing method is commonly used in underground engineering excavation, such as mine, foundation pit and subway. The problem of post-construction thaw settlement has attracted more and more attention, but it is difficult to calculate the development law of thaw temperature field of complex frozen curtain by analytical method. Therefore, this paper adopts numerical method to study this problem. In this paper, taking the horizontal freezing construction of a subway connecting passage as an example, the development law of temperature field in the melting process is analyzed, and the results are basically consistent with the measured data. As a general means, numerical simulation is feasible to simulate the development law of temperature field in horizontal melting of complex curtain. The results of this paper can be used to guide the design and construction of artificial freezing.
Study on temporal and spatial distribution law of thaw settlement displacement by horizontal freezing method
Authors: Yu Changyi , Lu Mingyue 
Published: December 2020

Abstract
After freezing construction, the damage caused by thawing settlement mainly comes from the displacement and settlement of strata, which leads to uneven settlement of underground pipelines and surface buildings in the project area. In this paper, based on the three-dimensional finite element analysis, the settlement displacement field of artificial frozen soil in a subway connecting passage is analyzed, and the parameters such as elastic modulus, density and specific heat change with temperature are considered in the model. The change of mechanical parameters in the soil layer is given by the temperature field, which makes the mechanical parameters of each point in the soil layer different. In addition, the temperature field of the soil layer changes with time, and finally makes the mechanical parameters change point by point, so as to ensure that the simulated melting and settlement calculation process is more in line with the actual working conditions. The calculation results of settlement displacement show that the settlement displacement field of soil layer changes nonlinearly with time and space. The research results of this paper provide reference for the position and time node of the control measures of thawing settlement.
lastic time history analysis of a super tall building
Authors: Zhou ChangXian , Zheng ShaoPeng , Ye YouQuan , Wang Hao , Fu Ping 
Published: December 2020

Abstract
in this paper, the principle of elastic time history analysis and the selection of seismic wave in time history analysis are briefly described; the elastic time history analysis of a super high-rise building is carried out by using the SATWE software of PKPM. The analysis results show that the base shear force and other indexes of the structure meet the requirements of the code under the action of 7-degree multiple intensity earthquake, and can meet the seismic design standards of the current seismic code in China.
Simulation of water quality data for advanced treatment of domestic sewage in constructed wetlands
Authors: Wang Yuelei , Han Yancheng , Zhou Xinyue , Fang Panbo , Chen Sihan 
Published: December 2020

Abstract
With the gradual maturity of sewage treatment technology, constructed wetlands are increasingly employed to treat sewage. In residential areas where people live, there are concentrated sewage discharges. Therefore, the author proposes constructing several small movable constructed wetlands in the community to treat domestic sewage in the community. A 40 cm× 40 cm model was established to simulate the removal effect of pollutants. The influent concentrations of simulated COD, NH4
+-N, NO3
−, TP are 96.01 mg/L, 18.23 mg/L, 14.13 mg/L, 3.00 mg/L, respectively, and the outlet concentrations are 18.25 mg/L, 5.51 mg/L, 3.12 mg/L, 0.32 mg/L, the removal efficiency reached 80.99 %, 69.78 %, 77.92 %, 89.33 %, with good simulation effect. It provides a theoretical basis for the construction of constructed wetland.
Analysis of Rainfall-Runoff Variation Characteristics and Influencing Factors in the Dawen River Basin in the Past 50 Years
Authors: Shen Zhen Tao , Zhao Qiang , Li XiFeng 
Published: December 2020

Abstract
Based on the hydrological data of Daicunba Hydrological Station of Dawen River from 1966 to 2017 and the meteorological data of surrounding stations, this paper analyzes the characteristics of the interannual variation of rainfall and runoff in the basin, and discusses the effects of rainfall and human activities on runoff. The results show that: (1) Rainfall and runoff in the Dawen River Basin showed an insignificant upward trend, with rising rates of 0.9541mm/a and 0.5398mm/a respectively; (2) Rainfall has a cycle of 4, 7, and 22 years, of which 22 The annual cycle is the main cycle, and the runoff has a cycle of 5, 7, 18, and 22 years, of which 22 years are the main cycle, and the main cycle of rainfall and runoff is consistent; the rainfall mutation point occurred in 1997 and 2002, and the runoff mutation point occurred in In 2002, the runoff had a significant increase trend after the sudden change; (3) According to the sudden change point of the runoff, the study area was divided into the base period (1966-2002) and the change period (2003-2017), so as to obtain the change of human activities on the runoff. The contribution rate is 60.6%, and the contribution rate of rainfall to runoff is 39.4%, indicating that the runoff of the Dawen River Basin is mainly affected by human activities.
A new literature search model for multi data objective programming
Authors: Kan Li 
Published: December 2020

Abstract
Aiming at the problem that the current literature search algorithms only provide literature clues and original texts, which can not realize the analysis and evaluation, it is the formal comparison and cannot compare the actual contents of new papers and existing literatures; the objective programming target algorithm is introduced to calculate the “copy ratio” of the substantive content by minimizing the deviation between the objective function and the target value; small sample verification is carried out It is feasible and can open up a new idea for the upgrading of literature search tools.
Metallogeny of the Jinyu Graphite Deposit, Sichuan Province
Authors: Yang Yongqiang , Wan Pingyi , Wang Guanghong , Peng Zhaoqiang , Liu Bo , Xie Yunbo , Lv Xiaoping , Chen Jun 
Published: December 2020

Abstract
Graphite deposit is important ore in Huili County, Sichuan Province. It is located in the middle part of the Kangdian axis and the middle part of the Kangdian basement fault uplift zone. The graphite deposit is located in the strata of the Dayingshan Formation of the Lower Proterozoic Hekou Group. The deposit belongs to sedimentary metamorphic graphite deposit formed under the dual factors of regional and thermal contact metamorphism. The ore body is strictly controlled by horizons. Graphite is composed of migmatized graphite quartz schist ore and migmatized graphite schist ore. The former is of the main type and the latter to the second type. Through comparative analysis of metallogenic geological and geophysical characteristics, it is considered that the gold rain graphite deposit is influenced by strata, structure, magmatic rocks, metamorphism, migmatization and other factors.
A CFD simulation and experimental study: predicting heat transfer performance using SST k-ω turbulence model
Authors: Widiawaty C D , Siswantara A I , Budiarso  , Gunadi G G R , Pujowidodo H , Syafei M H G 
Published: December 2020

Abstract
The heat exchanger is the most common equipment in the industry. Nowadays, CFD simulation has been used widely to predict the performance of heat transfer. The accuracy of the CFD depends on several factors such as simulation parameters, models, and quality of the grid. The heat exchanger in industrial application has big heat transfer capacity, since it consists lot of tube and big shell size. In this study, the fluid heat transfer on the tube is represented by uniform wall tube temperature. The objective of this works is to evaluate the performance of the SST kco turbulent and by applying heat transfer simulation of fluid on the tube side represented by uniform wall tube temperature. This present work compared CFD simulation and Experimental study. While the working fluids which are used in the experimental study are cooking oil in the shell and exhaust gas in the tubes. The constant of SST kw turbulent are cmu: 0.09, c1: 1.44, c2: 1.92, and sigma epsilon 1.3. The CFD simulation result shows in 50 s simulation that the temperature of cooking oil is from 48 °C to 54 °C. This tendency has good agreement with the experimental study.
The cooling effect of polycrystalline type PV panels using perforated aluminum plates
Authors: Bizzy I , Sipahutar R , Puspitasari D , Sofijan A , Fajri M A 
Published: December 2020

Abstract
A study has been conducted to improve the efficiency of Polycrystalline type PV panels. This research was conducted at the Energy Technology Research Laboratory, Engineering Faculty, Sriwijaya University, South Sumatra, Indonesia. The disadvantage of PV panel, when receiving solar radiation, it will increase the temperature of the PV panel but decrease the efficiency. This study uses a perforated aluminum plate with hole diameter of 2.5 mm. The plate is placed behind the PV panel. The dimensions of the plate are 960 mm x 600 mm x 20 mm and the number of holes of 1457. The specifications of PV panels are 1020 mm x 670 mm x 30 mm, Polycrystalline type PV panels, maximum power of 100 WP. The results showed that the PV panels given a perforated aluminum plate cooling had higher efficiency than those not given perforated plate cooling.
Effect of cutting conditions on power demand and surface roughness through sustainable turning of mild carbon steel
Authors: Risal Syah , Nur Rusdi , Halik Razak Arthur , Kondo Yan 
Published: December 2020

Abstract
Sustainable turning is a lathe machining process to carry out production in particular by paying attention to the sustainability of machinery without reducing production output. The machining process is done by optimizing the turning process parameters when carrying out the cutting process on medium carbon steel. Some parameters affect the lathe process, including speed, feed rate, and cooling. The purpose of this study was to determine the machining conditions in order to optimize the electric power consumption and surface roughness of the medium carbon steel turning process. The research method used was experimental and analysed using the ANOVA method. From the results of the research, it was concluded that the minimum electricity consumption was obtained in the process of turning steel St 42 without cooling with a speed of 237 rpm and a feeding of 0.157 mm/rev. The lower surface roughness was obtained in the turning process of St 60 steel with a rotation speed of 840 rpm and a feed rate of 0.157 mm/rev. The results of data analysis using ANOVA analysis method to get optimal conditions in order to minimum power demand and low surface roughness at 425 rpm of speed and 0.052 mm/rev of feed rate.