bluuebunny/crossref_metadata_2025_split huggingface dataset:
Molecular Identification of Fungi Isolated from Infected Redclaw Crayfish, Cherax quadricarinatus
Authors: Victor Shekinah Shamini , Pahirulzaman Khomaizon A.K 
Published: December 2020

Abstract
In Malaysia, the redclaw crayfish, Cherax quadricarinatus is widely known as freshwater lobster due to its lobster-like appearance and habitat. Even though the exact year in which the redclaw species was introduced into the country is unknown, commercial scale culturing activity of this species has been in record since 2003 in the southern part of Peninsular Malaysia. Crayfish plague is a water mould caused by an oomycete Aphanomyces astaci which contributes for high mortality rate in indigenous crayfish species throughout Europe. However, the effects of the plague can vary among species, regions and local populations. Traditionally, the crayfish plague agent was seen to have only the freshwater crayfish as hosts. The identity of the pathogen is only assumption and not confirmed by research because of difficulties in cultivation and ambiguous morphological characteristics. In this study, we demonstrate the use of ITS86F and ITS4 primer pair to amplify the ITS2 region in the isolated fungi from infected C. quadricarinatus. The primer aligned with sequences from a range of fungal species within the Ascomycota and Basidiomycota clades. A total of 14 fungi were isolated from the infected C. quadricarinatus. With the constructed neighbour-joining phylogenetic tree, 7 of the ITS2 sequences were identified to most closely related to 9 fungal species within the Ascomycota clade, 5 sequences in Basidiomycota clade and 2 sequences were closely related to endophyte culture collection. Results show fungi other than A. astaci, could cause crayfish plague. These isolated fungi might be linked to the A. astaci. Genetic analysis provides easy identification of the large majority of fungi at the species level, regardless when little DNA is available. Moreover, there are very low quantities of the pathogen DNA in the sample that are detectable by some of the molecular methods.
Analysis of Harmonic Characteristics of Pulse Load Based on Switching Functions
Authors: Li Haichao , Wang Jinquan , Huang Kefeng 
Published: December 2020

Abstract
As a kind of special nonlinear load, pulse load (PL) has the characteristics of two typical nonlinear loads. Compared with the traditional rectifier load, the harmonic characteristics of the PL are more complicated. In this paper, the harmonic characteristics of the PL is investigated. By analysing the working mode of the PL, an equivalent circuit model and a switch function model of the PL are introduced. It is analysed that the PL will inject a large number of inter-harmonics and even sub-harmonics in addition to the integer harmonics to the power system, and the harmonics are symmetrically distributed. The experiments were conducted on diesel generator sets (DGS) with PL and public grids with PL. The results show that the established model and analysis method can accurately calculate the harmonic distribution of the system, moreover, the influence of PL mode on harmonic characteristics can be revealed.
MKRVM Prediction of Capacitive RF-MEMS Switching Life
Authors: Bai Yuejiao , He Yigang 
Published: December 2020

Abstract
The elastic coefficient K, a factor affecting the life of capacitive RF-MEMS switch, is selected as the research object. First, we use differential evolution based quantum particle swarm optimization (DE-QPSO) to obtain sparse functions of multiple kernel relevance vector machine (MKRVM), and use the MKRVM algorithm to predict the lifetime of such switches. Then the experimental results show that the method can obtain the health index HI of 3.1043e+06 s, the 3.0657e+06 s. closest to the original data in 0.21 s. At the same time, the conclusion of the longest switching life is obtained when the elastic coefficient is in the range of 4-16 N/m.
Research on risk prediction model for voltage sag based on Elman neural network
Authors: Zhang Pujun , Chen Jingteng , Wu Minhui , Jiang Dongling , Wu Yifan 
Published: December 2020

Abstract
Voltage sag, as a prominent problem among many power quality problems, has always plagued power grids and users. To reduce the loss caused by the voltage sag and provide a basis for the prevention of the voltage sag, it is important to accurately and efficiently predict the risk of the voltage sag. This paper analyses the related factors of voltage sag risk from multi-directional and multi-dimensional, obtains the data of the influence factors of voltage sag risk in various information systems of the power grid, constructs voltage sag multi-source data, and uses Elman neural network to construct voltage sag risk prediction model. Through the training and learning of multi-source data, the model realizes the voltage sag risk assessment of each node in the power grid. Finally, the feasibility and validity of voltage sag risk prediction model are verified by case study of historical monitoring data in Fujian Province, which provides a method for voltage sag risk prediction.
Analysis of shielding failure flash-over rate of collection lines of wind farms in mountainous areas
Authors: Wang Chaoqun , Wang Sen , Ye Lin , Wang Shoufu , Xiang Nianwen , Li Kejie , Yang Ying 
Published: December 2020

Abstract
Aiming at the current situation of serious economic losses caused by lightning shielding on the collection lines of wind farms in mountainous areas. First, this paper uses the horizontal section location map of the collection line to extract the terrain parameters, Then use the catenary equation to determine the spatial position of the conductor and ground of any section of the collector line along the pitch direction, and obtain the height of the conductor and the ground to the ground. Finally, complete the modeling calculation analysis of the three-dimensional electrical geometry model (EGM) of the entire collection line. The calculation results show that, when the thunderstorm day, the arrangement of the collection line and the structure of the tower are the same, the SFFOR of the collection line of the wind farm in mountainous terrain is 0.487 times/100 km/year, and the plain terrain is 0.167 times/100 km/year, that is, mountainous area is 2.9 times of plain terrain; It is recommended to use double lightning protection poles with small protection angles on the collection lines of wind farms in mountainous areas, or install lightning arresters for poles that are prone to flashover to meet the design requirements of line lightning protection.
Visualization of Arc Energy Distribution Based on CCD Image Sensor
Authors: Deng Yunkun , Chen Yingping , Huang Jisheng , Wang Ke , Zhao Xianping , Gao Shuyu , Liu Shuxin , Cheng Yong 
Published: December 2020

Abstract
With the advancement of computer and sensor technology, visualization research has been more and more widely used in the industrial field, especially for arc plasma research of high energy fields. During the electrical breaking process, the DC arc energy distribution directly affects the working performance of the switchgear. A single voltage and current monitoring method is difficult to characterize the complex energy evolution process of the arc. Therefore, the visualization of the arc energy distribution is particularly important. In this paper, the arc energy distribution of the arc combustion process is visualized as the main research content. The arc characteristic detection platform is built, and the voltage, current, contact displacement value and arc image between the contacts are synchronously collected. According to the spectral characteristics of the color CCD image sensor, the colorimetric temperature measurement formula with calibration coefficient is derived to establish the relationship between the pixel and the arc temperature. The acquired arc image is processed by matlab image processing technology to visualize the two-dimensional energy distribution characteristics of the arc in the horizontal projection direction during the breaking process.
Review on operation mechanism and platform architecture of Distributed Energy Storage
Authors: Sun Feng , Li Ping , Liu Siqi , Hao Jiancheng , Ye Peng 
Published: December 2020

Abstract
“Distributed generation and Energy storage technology” has become a widely promoted operation mode to ensure reliable power supply when the distributed generation connected to the grid. In order to realize the unified regulation of energy storage, this paper summarizes the auxiliary operation function, market profit model and market operation mechanism of energy storage from three sides of generation, grid and users. The Distributed Energy Storage Operation Platform constructed through the strategy of “Hierarchical and Partitioned”. The good interaction between energy storage users and power grid realized through the comprehensive services of the platform. Several types of user categories and incentive mechanism under the interaction mode of grid and users sides summarized. Finally, the operation mechanism of distributed energy storage market summarized and prospected.
Numerical simulation and parameter analysis of the strength of a wind turbine main shaft
Authors: Wu Yu Xing , Zheng Zhun Bei , Yang Zhan Jun 
Published: December 2020

Abstract
With the vigorous development of wind power generation worldwide, the problem of stress concentration at the position of the main shaft shoulder of the wind turbine has become increasingly prominent. Therefore, a finite element model was established for the main shaft of a wind turbine, and the stress field of the main shaft of the wind turbine under the limit load condition was simulated and calculated, and the influence of the position of the shoulder on the flange side on the stress concentration under different radii of curvature was analyzed. It provides important guidance for the manufacture and inspection of the main shaft of the wind turbine.
Field testing and data analysis of impact impedance of transmission line tower composed of weathering angle steel
Authors: Zhao Yushun , Wang Shutao , Luo Yihua , Zhang Jinfeng , Qiu Shangliang , Wei Long 
Published: December 2020

Abstract
Weathering steel material has good corrosion resistance and mechanical properties. Compared with galvanized steel tower, weathering steel has longer operation life and lower operation and maintenance cost. With the pilot operation of weather resistant angle steel tower on the transmission line, its electrical performance has been widely concerned. The impact impedance of the tower is an important parameter to evaluate the lightning strike back performance of the tower. The rust layer formed on the surface of the weathering steel material will cause large lap resistance, which may increase the lightning strike back risk of the tower. In this paper, the impulse impedance test of a 220kV weathering angle steel tower in Fuyang, Anhui Province of China is carried out, and the circuit calculation of the test results is carried out to verify the rationality of the test data. The results show that: the zero frequency resistance of 220kV weathering angle steel tower is 1.027Ω, and the low frequency inductance is 311.94μH. The impact impedance results of the tower not only depend on the size, material and model of the tower, but also related to the impact waveform; the test results are in good agreement with the circuit simulation results.
Research on the Influence of Environmental Art Design Based on Environmental Science on the Indoor Environment of Old-age Buildings
Authors: Li Ming , Liu Qingbo , Li Xiaojing 
Published: December 2020

Abstract
In recent years, the reform of China’s pension system has aroused widespread concern in the society. Whether it is to provide for the elderly in housing, delay the retirement period, or increase the pension insurance, these are nothing more than the pressure problems faced by China’s aging population. Indoor environment is the place where the old people who live in old-age facilities spend the longest time in a day, so its reasonable design is even more important. From the perspective of the overall design of space environmental art, this paper discusses the design method of indoor art wood based on the influence of environmental art design based on environmental science on the indoor environment of Jiangnan old-age building. According to the physiological and psychological characteristics of the elderly, some problems in the indoor environment design of old-age facilities are deeply analyzed and discussed, so as to create a good living environment for the elderly.
Designing File Organizer Product Design Using the Quality Function Deployment Method (QFD)
Authors: Ginting Rosnani , Ishak Aulia , Pratiwi Wulan , Tambunan Ratu H 
Published: December 2020

Abstract
In today’s industrial age, many are discovering goods and services to meet the needs of life and activities. Human creativity is required to maintain the fulfillment of life’s requirements in various fields to increase customer satisfaction. To overcome these problems, a study of customer satisfaction using the quality function deployment (QFD) method. The purpose of this study is to determine the desire of consumers through technical characteristics. Brainstorming product specifications include: the main function dimensions are 10 cm x 15 cm x 8 cm, the primary color is black, motifs in the form of lines, decoration in the form of stars, consisting of 3 bulkheads, there are 4 liners on the underside of the surface, the bulkhead material is wood, has an additional function is stationery, has another function color is black, and the dimensions of a different function are 5 cm x 5 cm x 7 cm. Based on the file organizer production process, it was found that there were difficulties in cutting wood. This is because the wood has a rigid structure. The rack is a little complicated so that the operator is less careful in the process of cutting wood.
The Supporting and Interdiction Factor of the Implementation of Supply Chain Management in PT Z Using Interpretative Structural Modeling Method
Authors: Sembiring Nuhayati , Yurisditira Riky , Dewi Evita , Aryna Shinta , Radot R Rhyval 
Published: December 2020

Abstract
The Indonesian palm oil industry is expected to always be able to increase the implementation of Sustainable in order to reduce environmental impacts, compete in market competition. Environmental issues in the form of environmental destruction by national oil producers by international NGOs have had a significant effect in Indonesia. This issue was rolled out in the form of a report where oil palm producers ignored government and environmental and social regulations. PT Z is a state-owned company. Even though SSCM has implemented in the company, in its implementation there are still many problems. This study aims to learn about the factors that support and interdict in implementing sustainability supply chain management (SSCM) at PT Z using ISM. Based on the ISM calculations, the results show that for have sustainable operations we have to develop infrastructure, facilities and the access to sophisticated technology, implementing sustainable waste management, integrating sustainable operations into proactive plans are the most influential factors in implementing SSCM in PT Z and supporting infrastructure are not optimal, technology is not efficient, stakeholder perceptions are not optimal are the most influential interdiction factors’.
Business Design and Feasibility of Puru Kambera Muslim Fashion Offline Store Establishment
Authors: Nurazizah F , Chumaidiyah E 
Published: December 2020

AbstractPuru Kambera is a creative business that sells women’s Muslim fashion products. It has been established since 2017 in Bandung through an online sales. The survey states that fashion is on the second-highest rank out of 16 creative industry subsectors in Indonesia. Along with Bandung that has known as a creative city and center of fashion. Based on this condition, the company decided to establish Puru Kambera offline store. In this paper, business design and feasibility analysis are performed to find out whether the establishment of the offline store is feasible to run. The business design will be projected for 5 years with MARR value of 9.40%. While the feasibility analysis is performed based on market, technical, and financial aspects. The feasibility calculation result show NPV of IDR 356,595,609, IRR in 35%, and PBP for 3.428 years, it can be concluded that Puru Kambera offline store establishment is feasible. Furthermore, sensitivity analysis is also performed to find out the business conditions if there are some undesirable changes occur. The sensitivity analysis result shows that Puru Kambera offline store establishment is sensitive in increase of product cost at 8.20%, decrease of selling price at 5.61%, and decrease of demand at 17.72%
Business Design and Risk Analysis of Sonja Coffee Shop with the Concept of Coworking Space
Authors: Rahmawati F , Chumaidiyah E 
Published: December 2020

Abstract
Sonja Coffee Shop is a business development with the innovative concept of coworking space in Depok City. In this paper, the market aspect is derived from the spread of questionnaires to 100 respondents in Depok City with the age range of 15 - 34 years. Gained a potential market of 96%, the market is available at 97% and a target market of 0.18% of the market is available. Analysis of technical and operational design is done to know the production and income that occurred in the business for 5 years to come. The calculation of financial aspects acquired by NPV amounted to IDR 192.905.472, IRR value of 21% and PBP for 4.5 years. The value of IRR > MARR is 12% and NPV > 0, so this business is feasible to run. There is sensitivity to the increase in direct raw material costs by 14%, an increase in direct labour costs by 12%, a decrease in demand by 16% and a decrease in sales prices by 3%. There are business risks, market risks due to more and more emerging competitors, operational risks due to damage to machinery and facilities and financial risk due to inflation which is calculated at 7.03%.
Analysis of Fire Response Time with Lean Service Method in City of Medan Fire and Prevention Service
Authors: Isa Meliala Gema Halelu , Matondang Nazaruddin , Hidayati Juliza 
Published: December 2020

Abstract
Protection of the population from fire hazards has become a mandatory business and a basic service for citizens. This study aims to improve the quality of fire management services by speeding up the service response time of fire fighting fleets at the Medan City Fire Department. The research method in this paper is based on the use of Lean Service principles to determine non-value added activities using value stream mapping analysis and fishbone diagrams. The results of the research conducted showed that there was an increase in response time by 107 seconds and an increase in process cycle efficiency to 81.08% from 72.64% previously, which means that the current service is not efficient and can still be improved. This is due to several factors, including repetition of information when receiving information on fire incidents, location of gathering for standby officers which is far from the standby location and irregular storage of PPE.
Analysis of Quality Control in Assembling Kawachi RN-621 Mosquito Rackets
Authors: Ginting Rosnani , Ishak Aulia , Sonia Beatrich Claudia 
Published: December 2020

Abstract
Along with the current era of globalization and advancements of sophisticated technology, high quality products at competitive prices will be chosen by consumers. This will increase sales of the product, which means increasing market share so that it will increase company revenue. In production activities, problems are always found that ultimately cause defects in a product, especially in mass production. The things that cause disability can be in the form of people, machines, equipment, work environment, work methods, and raw materials. In this study, process quality control methods such as seven tools, Failure Mode and Effect Analysis (FMEA), and new seven tools used to reduce the number of defects in the RN-621 Mosquito Rackets assembly. Errors caused by soldering, ordering and retrieving. This is done to find the root cause of disability and find solutions to minimize errors.
Effects of Modified Palm Stearin on Torque Properties of Carbon Black-loaded Epoxidized Natural Rubber
Authors: Philbert  , Surya I 
Published: December 2020

Abstract
This research study investigates the effects of modified palm stearin (MPS) on the torque properties of carbon black (CB)-loaded Epoxidized Natural Rubber with 25% mole (ENR 25). The ENR 25 was loaded with CB at a fixed loading (thirty phr) and the MPS was added into the CB-loaded ENR 25 compounds with varied doses from one to seven phr. The effects of MPS incorporations on the maximal torque, minimal torque and torque change of CB)-loaded ENR 25 were investigated. It was observed that the MPS caused some affection in torque properties of the ENR 25. The MPS lowered the minimal torque but raised the maximal torque and torque change. The bigger the MPS doses caused in the lower was the minimal torque but caused in the higher was the torque change. The enhancement in torque was attributed to the role of MPS as the supplementary plasticizing agent for the CB-loaded ENR 25 compounds. The oily property of MPS decreased the viscosity and enhanced rubber to filler interaction or crosslinks level, respectively.
Cutting Path-associated Energy Consumption of Milling Machining Process
Authors: Rahman Hemdi Abdul , Md Ali Umi Fatihah , Mohamed Noor Rizal , Irwan Yahaya Mohamad , Mahadzir M. M. , Faiz Zubair Ahmad , Othman Muhamad , Yola Melfa , Mat Saman Muhamad Zameri , Sharif Safian 
Published: December 2020

Abstract
Manufacturing industries face numerous challenges, such as reducing their energy consumption. Minimising energy usage is one of the initiatives towards sustainable manufacturing. Many researches have studied the surface quality of machined part, but studies on energy consumption during machining process are limited. Different cutting paths operations may influence energy consumption during machining. The objective of this research was to investigate the effect of cutting tool paths and parameters on energy consumption during machining. Aluminium 6061 alloy was face-milled using high-speed steel tool with different tool paths, namely, morphed spiral, parallel and spiral paths. The design of experiment technique was applied to optimise the experimental work, and response surface methodology was used to analyse the experimental result. Results showed that feed rate is the most influential parameter on the energy consumption of machining. Machining energy models were also generated for morphed spiral, parallel and spiral cutting paths. The R
2 of each model was higher than 0.92, which indicates that the model equations are applicable in predicting the energy consumption of a milling operation.
Analysis of motorcycle design toward female rider based on posture evaluation index (PEI) approached in virtual environment
Authors: Rafi M , Putri Y H , Muslim E , Moch B N 
Published: December 2020

Abstract
This research examines the ergonomie aspect of motorcycle in virtual environment by using Jack software 6.1 with Posture Evaluation Index (PEI) approach which can integrates the results of three methods: Lower Back Analysis (LBA), Ovako Working Analysis (OWAS) and Rapid Upper Limb Assessment (RULA). The objectives of this research are evaluating the existing motorcycle design and determines the most ergonomic design that concern at handlebar height and distance between seat and handlebar. The result showed that the most ergonomic design of motorcycle for female rider is motorcycle that has 16cm handlebar height and 20cm distance between motorcycle’ seat and handlebar, which have 1.45 of PEI score.