bluuebunny/crossref_metadata_2025_split huggingface dataset:
The dynamic changes in peri-urban agricultural area and typology of multi-function agriculture in Batu City, Indonesia
Authors: Wisnubroto E I , Rustiadi E , Fauzi A , Murtilaksono K 
Published: March 2021

Abstract
Urbanization and population growth are logical consequences for economic growth and regional development. In the face of the pressure of urbanization, both in the form of competition for land use and increasing food needs, an adaptation effort of the agricultural system is needed. This study analyzes the patterns of in-situ urbanization that occurred in Batu City, East Java, and the dynamics of the development of agricultural areas in Batu City. This study used land use change analysis, descriptive statistics on socio-economic data, and spatial clustering analysis to map and obtain a relationship between in-situ urbanization processes that occur with the development of agricultural areas in Batu City. The results of this study indicate that there was a strong relationship between the process of in-situ urbanization that occurred in Batu City towards changes in agricultural land use and resulted in the adaptation of a multifunctional farming system in Batu City. There are three types of multifunction agriculture in the Batu City, with focused on incorporating the tourism and agriculture, and create a strong social-environmental awareness of the sustainability development. The development of multifunctional agriculture in Batu City is one of the main strategies to face of current in-situ urbanization.
Global pandemic and agriculture in Aceh Province, Indonesia: an initial impact
Authors: Ulfa A , Nugroho A , Pospos T H , Suherman G , Ariyati N 
Published: March 2021

Abstract
COVID-19 has affected all sectors of life, including farmer households. The implementation of social distancing and others initiated by the local government has influenced farmers' lifestyle in rural areas. This study aims to identify the initial impact of COVID-19 on farmers living in the Aceh Province. The data was collected using an online survey and was analyzed using a descriptive statistics approach. This study found that the economic impacts on farmers' vulnerability are more dominant than the health sectors. This study suggests that broader responses need to be conducted to clarify these initial findings.
Evaluation of slaughter and sanitation in slaughterhouse category ii
Authors: Gaznur Z M , Nuraini H , Priyanto R 
Published: March 2021

Abstract
Meat is one of main source of animal protein that provides nutrition to humans, and it is produced through the slaughter process in a slaughterhouse. The existence of the slaughterhouse is important to ensure safe, healthy, wholesome, and halal meat. This study aims to evaluate the implementation of halal slaughter and sanitation during the slaughter process in the slaughterhouse category II. Total plate count (TPC), Salmonella sp, Coliform, and Escherichia coli were analysed by using the Bacteriological Analytical Manual (BAM) method. Halal slaughter was carried out under observation with GSP forms that refer to Decree of the Minister of Agriculture No. 413/310/7/1992, RI Government Regulation No 95/2012 and the Indonesian Ulama Council (LPPOM-MUI) as well as the Food, Drugs and Cosmetics Assessment Institute HAS 23103 (2012). The results of the total plate count (TPC), Salmonella sp, Coliform, and Escherichia coli in meat was under the maximum threshold set by the Indonesian National Standard (INS) and halal slaughter in slaughterhouse category II already meet the standard requirement of Islamic law based on the Halal Assurance System (HAS) of the Indonesian Ulama Council (MUI).
Effect of different altitudes on milk fatty acid and conjugated linoleic acid (CLA) profiles
Authors: Anzhany D , Despal  , Toharmat T , Nuraina N , Hamidah A N , Rofiah N 
Published: March 2021

Abstract
Geographical position and feed quality of farms in highland and lowland, particularly in the tropical region, cause the differences in milk quality. One of the factors that influenced milk quality is the fatty acid (FA) profile of milk. The objective of this study is to compare the FA profiles of milk produced by farms in highland and lowland regions. Milk sampling was done by random purposive method at two regions which have different altitudes. Milk sampling was conducted with 28 farmers whose cows were fed botanically diverse forages and with commercial mix concentrate of dairy cows. The FA profiles of the milk samples were analyzed using Gas Chromatography (GC-7820A/G4350B, Agilent Technologies). Individual FAME was identified by comparison to standard mixture Supelco 37 Component FAME Mix and standard CLA (O5507, Sigma-Aldrich). The FA profiles were statistically analyzed for normality test and t-test carried out by SPSS ver.22. There were nine significantly different FA profiles consisting of C6:0, C10:0, C12:0, C14:0, C16:0, C18:0, C18:1-trans9, C18:2-trans, C18:2-cis, and C18:2-CLA. The milk from the lowland region has higher PUFA content, especially CLA content, and also has lower SFA content. The conclusion is milk from highland and lowland regions consists of different FA profiles.
Chemical analysis of cascara tea from wine coffee processing with a different fermentation times
Authors: Prono-Widayat H , Arpi N , Andini R , Muzaifa M , Gunawan F 
Published: March 2021

Abstract
Wine coffee is the result of processing coffee using a modified fermentation method. Currently, wine coffee is one of the most popular coffee products for coffee connoisseurs because of its strong and distinctive taste due to the fermentation process it goes through. Increased processing of wine coffee certainly increases the amount of waste produced. The aim of this research was to study the effect of fermentation time of wine coffee toward cascara tea quality. This study used a completely randomized design which consisted of 5 treatments and 3 replications. The treatment was fermentation times that consisted of F0 = control (no fermentation), F1 = 25 days of fermentation, F2 = 35 days of fermentation, F3 = 45 days of fermentation. The parameters analyzed were pH, total phenol and antioxidant activity. The results showed that the fermentation time of wine coffee affected the pH value of the cascara produced. Total phenol and antioxidant activity of cascara tea were not affected by fermentation time. It is necessary to analyze the level of consumer preference on the sensory quality of the resulting cascara tea.
Bandung sustainable urban mobility policy – angkot contribution on public transport emission
Authors: Miftah A Z , Hesti C K , Raharjo M A , Khairani A F 
Published: March 2021

Abstract
The trend of urban transportation policy has led to the sustainable development agenda specifically in reducing greenhouse gas production. Improvement in public transportation services was needed to decrease the number of private vehicles, which was directly proportional to fuel consumption. Our previous study regarding public transport had been carried out by measuring the contribution of Trans Metro Bandung (TMB) to the emissions in Bandung City. Emissions from other modes of public transportation such as Angkot (fleet of minibus), which had a greater number of units and routes compared to other modes was also needed to be elucidated. This research seeks to identify the contributions of Angkot emissions based on fuel consumption (Tier 2). The results showed that Angkot had a higher contribution to the emissions in Bandung City compared to the contribution of TMB. Therefore, a comprehensive transportation policy scheme was required to create a more integrated management of public transportation and emission standard. Enforcement to the Angkot operators was needed to apply and improve their service management. Thus, in the future, Angkot will be more environmentally friendly.
Learning from the non-technological foundation of a smart city: philosophy and its representations in the formation of urban attributes of Kota Cakaranegara (Lombok)
Authors: Siwalatri N K A 
Published: March 2021

Abstract
Cakranegara is one of the cities which located in west Lombok was planned city and was developed since kingdom of Karangasem Bali controlled the island of Lombok in the 16th century. Cakranegara is one of the cities that has a very regular grid pattern and applies the Hindu philosophy in its design. How the Hindu philosophy is represented in the spatial character of the city of Cakranegara is the goals of the study. This research is a qualitative study and data collected by observing, interviewing and conducting empirical analysis on the map of the Cakranegara. From this study, it was concluded that the Hindu philosophy is represented in the spatial pattern of Cakranegara by applying the binary opposition concept of luan-teben, kaja-kelod, periphery-centre, upper-lower, and east-west orientation to create a spatial hierarchy for the city. Forming elements of the city are the palace/government, temples, markets, residential blocks and community housing, road networks, parks, and cemeteries. The layout of the elements forming the city applies the concept of the kuta negara to create a cosmological balance. The application of Hindu philosophy in urban spatial planning can be an alternative approach to urban design in recent time.
Effect of flow on corrosion of water pipelines in petrochemical industry
Authors: Lin Nan , Li Cong , Luo Yanlong , Jiang Ping , He Renyang , Zhang Jibo 
Published: March 2021

Abstract
Effect of flow on corrosion of inner wall of metal pipelines is complex, relationship between them has not been fully revealed yet in existing researches. In petrochemical industry, leakage of water pipelines often occurs. Once sewage pipelines leaking, serious pollution may happen. Therefore, valid researches on effect of flow on corrosion could provide a theoretical basis for process designing and inspection planning of water pipelines in petrochemical industry. In this paper, the static and flow induced corrosion were discussed according to the experimental results, the acceleration and influence of the velocity on flow induced corrosion were discussed.
Emission evaluation of carbon disulfide from rubber surfaces in small environmental chambers
Authors: Luo Ligang , Yuan Ronghui , Liu Furong , Yao Huazhen , Yan Xiaoying , He Huihui 
Published: March 2021

Abstract
Carbon disulfide (CS2) emitted from rubber surfaces was determined by TD-GC-MS. Simulated with 60 L environmental chambers, the emission characteristics of CS2 from rubber surfaces were investigated. The quantitative approach was confirmed using a dynamic recovery experiment. The emission factors of CS2 presented a rapid increase especially in the inception phase, and an equilibrium status was obtained while the relative standard deviations were within 5% after 6 h. This method was quite appropriate for the emission characteristic research of sulfide, which provided a theoretical basis for the corresponding environmental supervision of rubber surfaces.
A Water quality monitoring system: design for Dian Lake sewage treatment plants in towns
Authors: Cun Ruitao , Hong Yidai , Liang Hong , Liu Tong 
Published: March 2021

Abstract
Since sewage treatment plant consumes much of electric energy in the city, the optimization and improvement of the equipment and energy consumption monitoring management system is conducive to its development and even driving an energy-consuming society. There are a total of 20 sewage treatment plants of towns that directly affect the water environment of Dianchi Lake. Due to the dispersion of sewage treatment data, the lack of regular testing of water quality, poor accuracy and reliability of data, difficulty in evaluating the effect of sewage treatment and the lack of data management standards and norms, the water quality and quantity will have an impact on the ecosystem of Dianchi Lake if the water from plants is discharged directly or indirectly into the riverways, tributaries or channels of the Lake. Therefore, building a water quality monitoring system for 20 sewage treatment plants of Kunming is an important measure to ensure the water quality and improve the ecosystem of Dianchi Lake. This paper discusses the design of the water quality monitoring system for the sewage treatment plants of towns near Dianchi Lake from the perspective of relevant technologies.
Research on water quality and pollution characteristics of a typical coastal plain river network
Authors: Fu Lei , Gao Shang , Wang Junmin , Wu Jianfeng 
Published: March 2021

Abstract
Pinghu City is a typical coastal city in Zhejiang Province. It has confronted many problems such as low velocity of the river network and poor quality of the water ecological environment. Water pollution has seriously affected the local social and economic development as well as the residential environment. In this study, the plain river network of Pinghu City is selected as an example to analyze the amount of various pollutants. Different types of pollutants are calculated based on the statistic data. The pollution characteristics of the coastal plain river network in Pinghu City is then collected and analyzed. This study will provide further treatment solutions for water pollution in cities with typical coastal plain river network in Zhejiang Province.
Integrated flood risk management on sedimentation, course stabilization and spare-course planning in Yellow River Delta
Authors: Zhang Yiru , Chen Jing , Huang Bo 
Published: March 2021

Abstract
The Yellow River Delta as the youngest land of China was originated in 1855, after the river changed its downstream course and emptied into Bohai Sea. Thereafter, the river channel shifted and swayed naturally due to great silt sedimentation in delta area. High silt concentration and sedimentation is the Yellow River’s major characteristic, which dominates the evolution law of the estuary, and lead to river bed rising, tail channel extending, swaying and even course diversion on the end. Dike heightening, enforcing projects and river regulation works have improved the discharging capability of river channel, but the fundamental measures to decrease flood risk in delta are sediment reduction in reservoir, sediment conservation in middle reaches and measures for course stabilization and spare-course planning. The paper gives a comprehensive analysis on water and sediments relationship, evolution process of tail channel, and presents possible solutions on flood risk management.
Analysis of the effectiveness of the “Environmental Protection Tax Law” from the tax amount of atmospheric pollutants
Authors: Zhang Yu , Wu Peng , Shan Baoguo , Tang Wei , Wang Chengjie , Tan Qingkun , Chen Bo , Xiong Ke 
Published: March 2021

Abstract
China’s atmospheric pollutants are mainly sulphur dioxide and nitrogen oxides, and the “Environmental Protection Tax Law of the People’s Republic of China” stipulates relevant regulations on the collection of environmental protection taxes on atmospheric pollutant emissions. In this paper, by calculating the equivalent pollutant emissions of various terminal energy sources, according to the environmental protection tax items and tax standards, the environmental protection tax payable for various terminal energy sources is obtained. By comparing the environmental protection tax amounts of various terminal energy sources, it is found that the current environmental protection tax collection standards are too low, which can neither compensate for the economic and environmental losses caused by pollutants emitted by fossil energy sources, nor improve the price advantage of clean energy.
Studying the coupling coordination degree between socio-economic and eco-environment of Jing-Jin-Ji urban agglomeration during 2001-2015
Authors: Ji Jianwan , Wang Shixin , Zhou Yi , Liu Wenliang , Wang Litao 
Published: March 2021

Abstract
With the fast urbanization process of China, many problems also have arisen. Under such background, pursuing the coordinated development of the socio-economic subsystem and eco-environment subsystem has become a hot spot. However, existing researches seldom investigated the regional coupling coordination degree at the gridded level. In this study, combined with the coupling coordination degree model, remote sensing datasets, and other socio-economic datasets at the raster format, we explored the coupling coordination degree of JJJ from 2001 to 2015 at the gridded level. The result of our study showed that (1) The eco-environment of JJJ had improved during 2001∼2015, among it, the eco-environment with high RSEI value mainly located in the mountainous area of JJJ, including the Yanshan mountain, and Taihangshan mountain. In contrast, the eco-environment with relatively low RSEI value was mostly located in the central Hebei plain and urban zone. (2) The spatial coupling coordination degree of JJJ showed a decreased trend, with the decrease of high, relatively high, and medium grades area, and the increase of low, and relatively low grades area. Generally, these high coupling coordination degree regions mainly located in the city’s central zone, while these mountainous regions and central Hebei plain mainly displayed a low coupling coordination degree due to the socio-economic lag. These findings may provide more useful information for the relevant policy-makers.
Research on planting arrangement of coconuts in Zhanjiang city under the climate adaptive design
Authors: Chen Yiwei , Xia Chunhua 
Published: March 2021

Abstract
The essential factor that enables people to stay in the active space depends on whether the area can provide comfort to the human body. According to this theory, the climate-adaptive design will effectively improve space vitality. First of all, this paper analysis and summary the climate in Zhanjiang City based on the “golden section method,” obtaining that the comfort of Zhanjiang is dominated by thermal discomfort, and trees can improve the city’s thermal comfort level through shading. Then we established the sun’s orbit map and the trajectory model of coconut shadow changes and used the penetration threshold theory, the following coconut planting arrangement is derived: (1) when the planting quantity is less than or equal to seven or more than 608, there is a reserved space, and the planting arrangement of coconuts is compact; (2) when the number of coconuts is more than seven and less than 608, there will be no reserved space. Currently, the planting arrangement of coconuts is random, and the area of planting space units is less than or equal to 71. 6+x m2 (x is the number of coconuts). These findings will help the designer offer better guidelines for planting and improving the vitality of the space.
The establishment of real time simulation platform of AC / DC system based on power electronic transformer
Authors: Zhang Xing , Li Yang , He Guoqing 
Published: March 2021

Abstract
This paper presents a real-time simulation platform of a AC/DC hybrid system using embedded simulators as kernel components, where the power electronic transformer (PET) is established by VHDL to break through the limitation of maximum emulatable switches in MATLAB/Simulink. Other components in the hybrid system including DC/DC converter, DC/AC converter and renewable generation units are simulated on CPU computing units. High-speed communication interface is used to ensure microsecond-level simulation step. Hardware-In-The-Loop (HIL) tests are taken to validate the proposed simulation platform.
Research on photovoltaic ultra short-term power prediction algorithm based on attention and LSTM
Authors: Yan Aiyun , Gu Jinbo , Mu Yahui , Li Jingjiao , Jin Shuowei , Wang Aixia 
Published: March 2021

Abstract
Based on the actual monitoring historical data of photovoltaic power station, combined with the actual engineering demand of photovoltaic microgrid on the user side, the lightweight algorithm of ultra short-term photovoltaic power prediction is studied, which is conducive to improving the operation efficiency and economy of power system. In this paper, the ultra short-term power prediction of photovoltaic power station is carried out by combining the LSTM algorithm with attention mechanism. Firstly, Pearson correlation coefficient method is used to reduce the dimension of the data set. The data with low correlation between weather variables and power to be predicted and historical power are eliminated, and the algorithm model structure is simplified. Then, the attention mechanism is combined with LSTM network to improve the effectiveness of the prediction model for long time series input. The proposed model is trained and compared with the data of a photovoltaic power station. The results show that the model achieves good experimental results in different weather conditions, and can effectively improve the prediction accuracy.
Inverse modelling of PV power prediction based on GA method
Authors: Tang Cecilia , Zhou Hang 
Published: March 2021

Abstract
Traditional modelling methods are generally forward modelling, that is, the basic parameters of photovoltaic cells provided by manufacturers need to be known before in order to calculate the power output of photovoltaic cells. However, the traditional modelling method is no longer applicable to complex situations, such as if manufacturer parameters are not available, or if the original manufacturer parameters are inaccurate due to prolonged usage. In this study, a new inverse modelling method is proposed, which uses genetic algorithm (GA) to identify the internal parameters of photovoltaic cell equation and solve the equation by Gauss-Seidel iterative method. The experimental test was conducted in Wuhan, China. The results show the root mean square error is only 1.34V and 2.66V for two-day tests, which demonstrated the effectiveness of the proposed method.
Robust optimal dispatch of power grid considering uncertainty of wind power output and electric vehicles
Authors: Li Lei , Liu Weidong , Li Dan , Li Xiaohui , Liu Xiaochen 
Published: March 2021

Abstract
With the extensive grid connection of wind power and the massive access of electric vehicles, their random nature has aggravated the difficulty of grid dispatching. In this paper, the idea of robust optimization is used to consider the uncertain factors faced by power grid dispatch, and the objective function is to minimize the total cost in extreme scenarios to establish a max-min optimization model for robust optimal dispatch of power grid. By adopting the column and constraint generation (C&CG) decomposition algorithm, the max-min double-layer optimization problem is decomposed into the main problem and the sub-problem iteratively, and a robust optimal scheduling scheme for dealing with uncertain factors is obtained. Finally, the IEEE 33-bus power system is taken as an example to carry out simulation analysis, and compared with the deterministic optimization scheduling method. The simulation results verify the effectiveness of the robust optimization scheduling model and solution algorithm in this paper.
Physical fusion method of power grid information based on power flow calculation
Authors: Zhang Hui , Rong Xiuting , Ma Gaoyuan , Zhao Jie , Jia Chenyiyang , Tang Jiajie 
Published: March 2021

Abstract
From the perspective of information physical fusion, considering the relationship among power network, communication network and information network, the power information system model considering the coupling relationship between power network and information network is established. Firstly, a three-layer model framework of power information physical system considering communication transmission factors is proposed. The whole modeling process is divided into three parts: power network, information network and communication channel, which are effectively associated with power network and information network; Then, a mathematical model of power information physical system integration considering multi-layer coupling is proposed; Finally, the power information physical model based on ieee9 bus is used to verify the effectiveness of the proposed modeling method based on power flow calculation and topology analysis.