bluuebunny/crossref_metadata_2025_split huggingface dataset:
Experimental Research on Seismic Behaviour of Railway Bridge Pier
Authors: Fu Guocheng , Hu Yuntian , Liu Lei , Liu Shanzhong , Wang Xiaoxue 
Published: October 2019

Abstract
The shear failure of railway bridge piers has become the main feature of modern bridges. In order to study the shear resistance of railway bridge piers, three models were designed in this paper, including two piers model with a ratio of 1:5 based on Chenglan Railway bridge prototype piers and a test research model. Through the pseudo-static test study on the shear resistance of piers, the failure process of the specimen was given. It was indicated that that A1 and A2 specimen were typical bending failure and possessed enough ductility. And A3 specimen was typical flexure-shear failure. Before loading to yield displacement, stirrup provided little shear strength. After loading to yield displacement, the shear strength provided by stirrup increased gradually with the development of cracks. When the stirrup yielded, its restraint to the core concrete was weaken rapidly, which resulted in the rapid destruction of the bridge pier.
Simulation Analysis on Pile-driving Process of Anti-flood Bionic Screw Pile
Authors: Jia Fanfei , Tang Yanqin , Hu Kun , Wang Yuxing 
Published: October 2019

Abstract
In order to reduce the dynamic energy consumption of pile-driving of the anti-flood screw piles, the unsmoothed surface is applied to the screw pile tip to form an anti-flood bionic screw pile. In ANSYS, the FEM-SPH coupling algorithm is used to model and simulate the pile-driving process of bionic screw piles, and the simulation results of soil stress distribution, radial displacement of soil particles and pile-driving torque are obtained. The results of the pile-driving test show that the test torque is less than the simulated torque, and the soil pressure is consistent with the simulation results. The correctness of the simulation model is verified, which provides a theoretical basis for further improving the bionic screw pile and the pile-driving equipment.
A Laboratory Analysis of Chloride Ions Penetration in Recycled Aggregates Concrete Admixed with Ground Granulated Blast Furnace Slag
Authors: Hu Weichao , Li Shengxin , Song Chunmei , Chen Zheng , Chen Liyuan , Yang Yang , Luo Weilong 
Published: October 2019

Abstract
The corrosion of reinforcements in recycled aggregates (RA) structures could be triggered by chloride attack. Ground granulated blast furnace slag (GGBS) has been recognized a significant cement replacement to improve chloride resistant of concrete. However, the study aimed at time-dependent chloride diffusion of recycled aggregates concrete (RAC) with GGBS was still scarce. Thus, with the data generated at varying immersion durations from long-term bulk immersion tests, the effects of the content of ground granulated blast furnace slag (GGBS) and immersion time on time-dependent chloride diffusion were studied. The results indicated that the apparent diffusion coefficient (D
app) of recycled aggregates concrete decreases with immersion time. Moreover, the total chloride concentration decrease with the increase of GGBS replacement. When increasing the content of GGBS from 0% to 30%, the value of D
app decreases from 28.9% to 52.2%, while 67.2%∼40.6% of reduction was observed on D
app with the addition of 60% GGBS at different immersion time.
Adsorption and Co-precipitation of Metoprolol with Struvite Recovered from Synthetic Source Separated Black Wastewater
Authors: Wang Jiangjiang , Zhou Qixing , Liu Yang 
Published: October 2019

Abstract
Due to the residues of metoprolol (MET) in black wastewater, recovering phosphate as struvite (MgNH4PO4 · 6H2O) from black wastewater may pose threats to the utilization of struvite in the agricultural planting and human health. In this study, the adsorption and co-precipitation experiments of MET in the formation of struvite from synthetic black wastewater will be performed and some factors like initial MET concentration, pH values, temperatures were investigated. Results revealed that the adsorption process can be divided into rapid adsorption, fluctuation stage and steady stage, and the maximum MET adsorption quantity was 0.05029mg/g under 80ppb, 20 °C. Chemical adsorption and pseudo second-order kinetics were evident at the low concentration level. Neither Langmuir nor Freundlich isotherms fitted for the adsorption. The presence of Mg[H2O]6
2+ (Hexahydrate and magnesium ions) interfered with MET adsorption through recombining with MET, which was also determined by pH variation.
The existence of MET in black wastewater would not obstruct the formation of struvite in alkaline condition generally and serious terrible influences would not be generated when using struvite as fertilizer. A vast majority of MET will stay in the solution after 3 hours’ reaction.
Study on Catalyst Performance of Compact Methane Reformer with Nickel Loading
Authors: Teng Wenrui , Yao Zhiyu , Yang Guogang 
Published: October 2019

Abstract
The compact methane reformer has the advantages of small size and high efficiency, making it possible to produce hydrogen on the fuel cell operating site. The development of a reforming catalyst with good selectivity and high stability is of great significance for the industrialization of the reformer. Among them, the nickel content is an important factor affecting the performance and cost of the catalyst. A compact methane reformer experimental platform was designed and built, and Ni/CeO2 catalyst was prepared by equal volume impregnation method. The optimum loading of Ni was determined by experiments to be 10%. The mechanism of the effect of Ni loading on the catalytic performance was studied by XRD and SEM crystal phase analysis.
Sub-chronic Exposure to Tris(1,3-dichioro-propyl) Phosphate Induces Hepatotoxicity in Rats
Authors: Wang Simin , Zhou Qixing 
Published: October 2019

Abstract
Tris(1,3-dichloro-2-propyl) phosphate (TDCIPP), one of the most widely used organophosphorus flame retardants (OPFRs) is frequently detected in various environment and biota. Thus, its potential risk on wildlife and human health should be concerned. It has been implicated to induce hepatotoxicity, but the toxicological mechanism still remains unclear. Thus, Sprague Dawley (SD) male rats were administrated TDCIPP at 125, 250, or 500 mg/kg/d for 8 weeks in the present study. And hepatic histopathology and enzyme activities in serum and livers were analyzed to determine the molecular mechanisms of hepatotoxicity induced by TDCIPP. The histopathology showed the hepatocytes of rats exposed to TDCIPP were damaged, and the necrosis was more severe in 500 mg/kg/d TDCIPP-exposed group. And the decrease of transaminases in serum and livers were observed after TDCIPP exposure for 8 weeks, which indicated that severe hepatotoxicity was induced by TDCIPP. The abnormalities of oxidative stress makers and inflammation factors also indicated that TDCIPP caused dysfunction of oxidative system and severe inflammation response in livers of rats. Collectively, the results in our study demonstrated that TDCIPP induced hepatic oxidative stress and inflammatory response, and caused hepatotoxicity in rats.
Research on the Integration Design of Double Well Head Drilling System for Semi-submersible Drilling Platform
Authors: Wang Weixu , Ma Guangchan , Yang Xiuju , Zhou Tianming , Zhang Peng , Li Yunpeng , Hu Nan , Wang Anyi 
Published: October 2019

Abstract
In order to upgrade the capability in offshore drilling and exploring, it is imperative to design and study deep water drilling system. Firstly, surveying and researching the present situation and development status of deep water drilling system. Secondly, analysing the characteristics and configuration of the deep water drilling rig used for semi-submersible drilling platform, also selecting key equipment. Finally, designing and coming up with a dual-frame derrick drilling system with 3660 meters water depth and 15250 meters drilling depth, compared with the trade technology, its advantage: achieving top drive core and realizing continuous drilling, allowing duplex main wellhead operation, the two wellhead could be working at the same time, and a well is being used to piping, and another well is being used for drilling. As a result of saving the non-drilling time and increasing the drilling efficiency. It is of great significance to the development of marine energy sources.
Analysis of Vegetation Characteristics of Regional Soybean and Paddy Rice Fields Using UAV Images and Farm Maps
Authors: Lee Dongho , Park Jonghwa 
Published: October 2019

Abstract
Remote sensing (RS) and GIS together provide an efficient and inexpensive way to assess vegetation characteristics and cultivated areas. Precision vegetation mapping provides important information for understanding crop conditions through the calculation of the vegetation index. In this study, a multispectral sensor was installed on an eBee (Sensefly), which is suitable for wide area photography taken by an unmanned aerial vehicle (UAV). UAV imagery acquisition was used to obtain spatial information on soybean and paddy rice cultivation areas in a wider region. The study area selected was Gimje, which is in the southwest of South Korea. Based on the designation of main areas according to the Ministry of Agriculture, Food, and Rural Affairs (MAFRA), the area was selected considering the cultivation area, production volume, number of farm households, and self-sufficiency ratio. The main producing areas are soybean cultivation areas defined as a city or county with a cultivation area of 30∼1500 ha or more, respectively. The identification of the cultivation area of soybeans was made based on images taken in early September, when the growth characteristics of soybeans were clearly distinguished from other crops. The accuracy of the soybean and paddy rice cultivation area identification was improved by using the farm map (FM) prepared by the MAFRA in South Korea. The NDVI was analyzed based on the two periods of high growth activity of soybean and paddy rice. The accuracy of the cultivated area was improved by using the UAV images and the FM prepared by the MAFRA. As a result, this study shows that UAV images can be used more effectively by linking GIS with the FM as a basic map.
Precise Inspection Method of Solar Photovoltaic Panel Using Optical and Thermal Infrared Sensor Image Taken by Drones
Authors: Park Jeongsoo , Lee Dongho 
Published: October 2019

Abstract
The inspection of the solar panel using the drone has already been put into practical use. However, this method requires an initial investment cost as compared with the conventional method, and it may take a cost such as image processing. In addition, there are challenges such as the ability to carry out the necessary maintenance of the law even if technically possible. Nowadays, the introduction of drones is proceeding in such a way as to check the points of abnormalities through simple flight. The advantage of this method is that safety enhancement and inspection speed are greatly improved compared to the case of performing the inspection by the conventional method. For companies, the use of drones and thermal infrared sensors for inspection can be used to reduce the population and to reduce the problems of recruitment, and to improve the efficiency and reduce the cost by simplifying the inspection procedure with fewer personnel will be. The purpose of this study is to develop a method to accurately detect abnormal points by making thermal infrared images of orthographic images by improving the inspection method through simple flight of drone. The study investigated whether it is possible to precisely check the point where the problem is located under the condition of insufficient solar radiation at the site installed by a small developer. We propose a method that can accurately distinguish between normal and abnormal panel points in images taken using drones and thermal infrared sensors, and how to accurately detect abnormal points by focusing on problem panels. Abnormal points were found to be very accurate and efficient to find and inspect panel more than the temperature range value of each panel.
The modelling of the crushing of meat raw materials for making management decisions in the production of emulsified meat products
Authors: Kapovsky B R , Zakharov A N , Nikitina M A 
Published: October 2019

Abstract
The article describes an innovative approach of the grinding heterogeneous frozen meat raw materials on the basis of single-stage milling method. In the technological cycle, in comparison with the traditional solution, the one shredder is used instead of three meat-cutting machines. The high quality of the finished product is achieved by modeling the grinding parameters. As a result of the analysis of the experimental data of the “new” technological process of meat grinding, an intelligent control system for the production of minced meat with machine quality control is proposed. Promising technology will reduce the cost of production of mass demand products that meet quality standards.
The dynamical analysis of the modified rossler system
Authors: Tutueva Aleksandra , Butusov Denis , Okhota Artem , Pesterev Dmitrii , Rodionova Ekaterina 
Published: October 2019

Abstract
The synthesis of novel chaotic systems is a modern branch of nonlinear dynamics since deterministic chaos properties can be successfully applied in various engineering and scientific problems. In this paper we investigate changes in the dynamics of the modified Rossler system after applying coordinates transformation to the original model. We perform the bifurcation analysis of the obtained model and experimentally show that its behavior differs with the behavior of the prototype. We study the finite-difference schemes obtained for considered chaotic systems and find their similarity in simulation with different integration steps. We show that discretization effects are the source of the small differences between the two models. The obtained results can be used in theoretical nonlinear dynamics, nonlinear systems simulation, development of communication and control systems.
Design of Home Intelligent Alarm System Abstract
Authors: Ding Bofeng , Zhang Chengliang , Li Lei , Sun Kang , Dou Hongbin 
Published: October 2019

Abstract
This paper describes the research and development of home intelligent emergency alarm system and its working principle. In the design, STC12C5A60S2 single chip microcomputer is used as the control core of the alarm system, which controls infrared sensor, MQ-2 smoke sensor, SIM900A module, buzzer, LCD1602 display screen and GSM module. The corresponding circuit of each module is designed, and each part of the circuit is integrated to complete the required function.
Fault Diagnosis Based on Tree Heuristic Feature Selection and FS-DFV for Rolling Element Bearings
Authors: chen Xiaoyue , Liu Xiong , Ge Dang , Liu Mengchao 
Published: October 2019

Abstract
In order to make up for the deficiency of traditional single diagnosis in rolling element bearing fault diagnosis application, eliminate a large amount of redundant information and improve the classification effect of the aliasing mode, based on comprehensive analysis of the respective advantages of fuzzy set and tree search, this paper presents a joint rolling bearing fault diagnosis method based on tree-inspired feature selection and FS-DFV (Fuzzy Set and Dependent Feature Vector). The dependent feature vectors (DFV) can dig deeper the essential differences of the faults and improve the fault accuracy. By establishing the heuristic tree model, the tree type heuristic feature search strategy is designed, and the excellent feature selection criteria based on the density clustering with noise are proposed, and the conventional feature selection model is improved. In addition, fuzzy set are used to process the problem of extracting aliasing patterns in the DFV, and fuzzy membership is used to guide subsequent feature extraction of the alias modes. The proposed method is compared with the other four fault diagnosis methods. The experimental results show that the proposed method can effectively improve the diagnostic efficiency of the rolling bearing.
Study and Evaluation of a Solar Floating Traction under Severe Wind Conditions
Authors: Siribodhi Pongwit , Bunyawanichakul Phacharaporn 
Published: October 2019

Abstract
Solar cells have been among the first such clean energy groups that have been used, talked about, and adopted extensively in many areas. One drawback of using solar cells for energy supply not only in households but also in large cities is the space needed as well as usually requiring a flat area. For these reasons, the construction of solar farms over water is a popular concept and continues to be of interest in Thailand and the rest of the world. This research provided a case study of implementing large-scale solar cells in Southeast Asia where unexpected typhoons are common during the monsoon season. This can be addressed by binding the solar panels together to make a large platform that can remain intact in the water under various conditions. Engineers need to be confident that such binding will be safe enough to ensure the solar floating platform has no movement which may cause unexpected damage. This study developed and evaluated solar panel traction with an arrangement of 9 x 28 and 28 x 9 panels under severe wind conditions of 120 kilometers per hour (33.33 meters per second) which is equivalent to typhoons in the region. The evaluation used empirical and numerical models, and wind-tunnel testing. The resultant equation was: D (N, M) = 2075.8 N0.6532 M0.9052 and D = Kv (V) 2075.8 N0.6532 M0.9052 where N and M are the numbers of platforms in columns and rows, respectively, Kv (V) = (0.019564618+0.007704667V)/(1-0.0004656279V), and V is the wind speed (km/h). The investigation found that the predicted traction results using the derived equations was in good agreement with wind-tunnel testing for a proposed platform.
Design of Photovoltaic Inverter Based on STM32 Microcontrollers
Authors: Hsu Wei-Tai , Fang Jing-Feng , Huang Chia-Wei 
Published: October 2019

Abstract
In this paper, the STM32 microprocessor is used as the central control core, and a 500W photovoltaic inverter is designed. The inverter adopts a two-stage conversion structure. The high-speed timer of the STM32 microprocessor generates high-resolution PWM and SPWM pulses and drives the first-stage DC/DC convertor after driving the chip through UCC27324 and IR2111 respectively. The rectification and the second-stage DC/AC inverter convert the DC signal into a utility frequency. In order to reduce the higher harmonics derived from the DC/AC inverter, the circuit also adopts the principle of LC filter design. Finally, in the Multisim simulation, the operation is stable. The error of the output AC voltage is controlled within 3%. It is said that the inverter has the advantages of high reliability, low harmonic content, and high efficiency.
Gating System Design of Investment Casting for SUS316 Spray Nozzle
Authors: Huang Pei-Hsing , Lin Hung-Mao , Wu Wei-Jen 
Published: October 2019

Abstract
Spray nozzles operate in harsh conditions with heat, corrosive substances, and high liquid pressure, which can easily cause corrosion and cavitation in the nozzle structure and threaten the safety of users. To reduce defects occurring during the casting process of spray nozzle and increase their service life, this study applied mold flow analysis to the casting process of a SUS316 stainless steel spray nozzle. We improved the configuration of the gating system, added water-cooling to the improved scheme, and examined the resulting filling and solidification conditions of the molten metal in the mold cavity. We employed the Niyama criterion to predict the probabilities of shrinkage defect formation in the spray nozzle and improve defect formation, thereby effectively lengthening the service life of the spray nozzle and increasing product quality.
Optimization Design of Wind Turbine Tunnel Based On Fluid Analysis Results
Authors: Chen Po-Chuan , Fang Jiunn 
Published: October 2019

Abstract
At present, the problem of wind turbines affecting flying organisms has been highly valued. Wind turbines will not only attack flying creatures through rotating blades, but also the flying organisms will affect the habitat of ground creatures because of the reduction of flying height. In this study, a fan with protection function is designed by designing a wind turbine system with a wind tunnel design that can be smoothly adopted by birds. Because the blade is not in direct contact with the wind, it is introduced into the blade through the wind tunnel. Therefore, in the design of the wind tunnel, not only the wind speed of the introduction is not weakened, but also the wind speed can be fastened through the structural angle. Therefore, the blades can be rotated as scheduled to achieve the purpose of wind power generation. In the design of the wind tunnel, the study conducted the wind speed test of the structure through continuous fluid analysis. In the results obtained, correct all structures that may affect wind speed and re-analyze to ensure that the wind speed can successfully to achieve the goal. At the same time, the maximum wind speed obtained will be used to test the torque and power generation by the formula to see if the design is able to reach the goal of power generating.
Aesthetics: A Very Short Introduction
Authors: Nanay Bence 
Published: October 2019

Abstract
Aesthetics is a branch of philosophy that explores the nature of art, beauty, and taste. It doesn’t just consider traditional artistic experiences such as artworks in a museum or an opera performance, but also everyday experiences. Aesthetics: A Very Short Introduction considers both Western and non-Western aesthetic traditions, and explores why it is sometimes misunderstood or considered to be too elitist—by artists, musicians, and even philosophers. The scope of aesthetics extends far wider than that of art, high or low, including much of what we care about in life. If an experience is worth having for you, it thereby becomes the subject of aesthetics.
Experience and attention
Authors: Nanay Bence 
Published: October 2019

Abstract
What all things aesthetic have in common is something very simple: the way you’re exercising your attention. What you are attending to makes a huge difference to your experience in general. It can completely ruin your experience or it can make your experience even more rewarding. And in some cases, it can directly confront you with how differently the same artwork appears to you depending on what you’re attending to. ‘Experience and attention’ discusses the difference attention makes, the focus of your attention, the different ways of attending (focused or distributed), the freedom of perception, and the ways of attending to the relation between the experienced object and the quality of our experience.