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17419 articles
Proceedings Article

Studies on modeling a single-bellows air spring and simulating its inherent characteristics

Yilong Zhang, Huirong Huang, Rongrong Chen, Minghui He
Pro-E and Ansys software are used for solid modeling of a single-bellows air spring, finite-element processing methods for this model are discussed, and the meshing usability is validated. Using Ansys software, we solve various orders of natural frequencies of a single-bellows air spring are solved at...
Proceedings Article

Application of activators for hydrogen peroxide bleaching at low temperature

Gang Huang, Junhua Wang, Fengchun Dong, Yongtang Jia
The effects of two activators for activating H2O2 bleaching at low temperature were studied in this paper. The results show that: (1) both 1,2-bis-(diacetamido)-ethane (TAED) and sodium 4-(2-decanoyloxyethoxycarbonyloxy) benzenenesulfonate (OBA) can catalyze the H2O2 bleaching at low temperature, e.g....

Analysis of Indonesian Language Errors in the Explanatory Text Essays of Class VIII Students of Muhammadiyah 1 Kartasura Junior High School

Nila Safitri, Yunus Sulistyono, Andi Haris Prabawa, Atiqa Sabardila
This study aims to (1) describe the types of language errors in the explanatory text essays of class VIII students of Muhammadiyah 1 Kartasura Junior High School, (2) describe the forms of Indonesian language errors in student explanatory text essays, and (3) describe the accuracy of using Indonesian...
Proceedings Article

Anisotropy of fracture toughness of 2124 aluminum alloy plates

Haigen Jian, Jian Luo, Zheng Liu, Xianmin Tang
The plane strain fracture toughness KIC values of 2124 aluminum alloy plate of T-L and L-T orientation of thickness of 30 mm, 40 mm, and 50 mm were tested by using the standard compact tension specimen. The KIC anisotropic degree and mechanism of different thickness of 2124 aluminum alloy were studied...
Proceedings Article

Synthesis and Photophysical Properties of Four-Coordinate N-heterocyclic Carbene Copper(Ⅰ) Complex Emitting Material with Brightly Luminescence

Qingzhi Su, Chaoyang Chai, Feng Zhao
A four-coordinate copper(I) complex containing N-heterocyclic carbene (NHC) ligand and bis([2-diphenylphosphino]-phenyl)ether) (POP) ligand were successfully reported and characterized. The corresponding photophysical properties were investigated using UV-vis and emission spectrometry. The lowest-energy...

Characteristics of Wisdom According to Four Stages of Development (Adolescent, Young, Middle Adult and Old Age)

Riana Sahrani, Andri Setia Dharma
The many problems in society cannot be separated from the role of wisdom in individual. This is because people who have wisdom will think and act appropriately, so that harmony in the environment is maintained. The long-term purpose of this research was obtaining the Indonesian version of the Wisdom...
Proceedings Article

Numerical modelling the ultra-broadband mid-infrared supercontinuum generation in the As2Se3 photonic crystal fiber

Zheng Yan, Jianguo Wen, Chujun Zhao, Wenlong Wang, Yunlin Wang
In this paper, ultra-broadband mid-infrared (MIR) supercontinuum (SC) generation ranging from 2 to 15 m in As2Se3 photonic crystal fiber (PCF) was investigated numerically by multipole method and the adaptive split-step Fourier method. By choosing different hole sizes and the pitch parameters of the...
Proceedings Article

Synthesis and Photophysical Properties of a Copper(I) Complex Emitting Material Containing 5-(9H-fluoren-2-yl)-2-(1H-imidazol-2-yl)Pyridine Ligand

Chaoyang Chai, Qingzhi Su, Feng Zhao
A new copper(I) complex of [Cu(Flu-im-Py)(POP)]PF6 supported by Flu-im-Py =5-(9H-fluoren-2-yl)-2-(1H-imidazol-2-yl)pyridine, POP=bis(2-diphenylphosphanyl)ether, was synthesized and characterized. The corresponding photophysical properties were investigated using UV-vis and emission spectrometry. The...
Proceedings Article

Fuzzy resource-constrained project scheduling for GIS software development

Leonid Bershtein, Margarita Knyazeva, Igor Rozenberg
Resource-constrained project scheduling (RCPS) problem can be defined as a combinatorial problem of constructing a special plan for performing a number of precedence related tasks that have to be executed with the use of limited uncertain resources. In this paper we study the framework of a heuristic...
Proceedings Article

Design and Product Development of a Customized Lower Exoskeleton Rehabilitation mechanism

KuoChung Wang, HuangKuang Kung, ChinYu Wang
This study makes use of (1) LifeMod biomechanics software to construct customized user parameters; (2) the load conditions of hip joint and knee joint created by software analysis to serve as a basis of motor rating selection; (3) foot plantar pressure measurement plate and gesture recognition sensors...

The Arithmetic Operator of Fuzzy Regular Prismoid Numbers and Its Application to Fuzzy Risk Analysis

Shexiang Hai
Pages: 1541 - 1563
We devote to study the arithmetic operator of fuzzy regular prismoid numbers as well as the degree of similarity between fuzzy regular prismoid numbers, and then the arithmetic operator and the degree of similarity are applied in risk analysis. Firstly, the arithmetic operator of fuzzy regular prismoid...

Comparison of NPV and IRR and conflict resolution

Yuecheng Pan, Kang Wei, Xinyi Zeng
This essay mainly describes the application and difference between NPV and IRR, and finds out which one should be used more conveniently in different situations from the analysis of the two decision-making methods. The advantages and disadvantages of the two decision-making methods and how enterprises...

Implementation of Character and Multicultural Education in Elementary Schools through Extracurricular Activities in SD Kartika XII-1

Puji Rahmawati, Aditia Eska Wardhana
Character and multicultural education are important thing for education in elementary school that character and multicultural education is an important learning component in the learning process. Aims this research is to find out the application of character and multicultural education in elementary...

APOLLO: A Fuzzy Multi-criteria Group Decision-Making Tool in Support of Climate Policy

Álvaro Labella, Konstantinos Koasidis, Alexandros Nikas, Apostolos Arsenopoulos, Haris Doukas
Pages: 1539 - 1553
Multi-criteria decision-making is a daily process in everyday life, in which different alternatives are evaluated over a set of conflicting criteria. Decision-making is becoming increasingly complex, and the apparition of uncertainty and vagueness is inevitable, especially when related to sustainability...
Proceedings Article

Rock and soil damage-fracture space mechanics: Physical state indexes

Faning Dang, Houqun Chen, Weihua Ding, Xiaotao Yin
Each of the current analytical methods used in rock and soil CT mechanics is “observation”, wasting the precious CT quantitative information. Utilizing the set theory and the measure theory, the concepts of the ? level damage-fracture ratio and the ? level damage-fracture rate, the ?1-?2 level intercepted...

Comparative Analysis of Differences in Educational Systems of the Modern UK and China

Jin Chen, Jinyang Li, Lu Wang, Yifei Xiong, Peihan Zhang
Following the former Premier Deng Xiaoping’s Reform and Opening-up policies, Chinese education underwent a spectacular shift, which contributes to both the process of pursuing education modernization in conjunction with the economy’s transformation and development. Meanwhile, on the opposite side of...
Proceedings Article

The Pulsed Arc Electrohydraulic Discharge Treatment Study on Waste Water and Its Application

Qi-Xiong Lin, Lu Zhu, Zheng-Hao He, Wei Xia, Xin-Ya Xu
With the speedy development of modern industry, the technology of wastewater treatment plays an essential role in the research of environmental protection science. The tech of Pulsed Arc Electrohydraulic Discharge (PAED) has been intense researched by virtue of its marked treatment effect, low power...

Bibliometric Analysis of Social Engineering Research Trends in the Education Sector

Mupid Hidayat, Maulia Depriya Kembara, Rama Wijaya Abdul Rozak, Andi Bhakti
Skills social can in a way effective overcome complex problems, such as development Skills social For use practical. As a result of social media, there are risk Wrong interpretation and manipulation of others. Error Which general happen including miscommunication, data security, and problem other. Objective...

Social Discrimination in the Poetry “Der Schwarze in Der Zuckerplantage”

Sjuul Juliana Lendo, Ermina Fakrorevat Lendo
Discrimination is a symptom that is often found in human society everywhere. The causes of discrimination are motivated by socio-cultural and situational developments, as well as the human tendency to discriminate between one another. This study aims to 1) Describe the social aspects contained in the...

Optimizing Five Academic Skills in English Teaching Learning Process Improving The Academic Performance

Wulan Retno Wigati
This study is intended to examine the effect of optimizing the five academic skills, 1) Speed reading: reading speed and accuracy of understanding ; 2) Taking notes: organizational records, identification information, and the write speed; 3) Paraphrasing: choosing synonyms, and using alternate grammar;...
Proceedings Article

The Box-counting Dimension of Spatial Patterns of Population Distribution of Lilium regale

Zi-song Yang, Yi Li
The studied results of correlation dimension of spatial patterns of population distribution of L. regale by box-counting dimension show that: 1) in most sample plots the fractal properties of box-counting dimension are significant; 2) in most sample plots the box-counting dimension is small, indicating...
Proceedings Article

Rock and soil damage-fracture space mechanics: Damage-fracture space

Faning Dang
Each of the current analytical methods used in rock and soil CT mechanics is “observation”, wasting the precious CT quantitative information. Utilizing the CT number, the perfect degree and the damage-fracture degree of a point inside the rock sample are defined, the ? level perfect field, the ? level...
Proceedings Article

P-toluene Sulfonic Acid Catalyst in Synthesis of Ethylene Glycol Butyl Ether Acetate

Gengqiang Zhang, Shiyao Zhu, Wenzhu Zhang, Yongjie Wang
Ethylene glycol butyl ether and acetic acid as raw materials, cyclohexane as dehydrant, by direct esterification method, under p-toluene sulfonic acid catalyst, the catalytic synthesis of ethylene glycol butyl ether acetate(EGBEA). In the single factor experiment examines the usage of the influence of...

The Influence of Ethnoliteracy-Based Guided Discovery Learning Models to Ability Writing Imaginary Stories

Riga Zahara Nurani, Dadang Sunendar, Isah Cahyani, Cece Rakhmat
The ethnoliteracy-based guided discovery is one possible learning model used by teachers inside the class. However thus, it is necessary exists study the influence of learning models on the ability of participants to educate in writing story imagination. This study use method experiments with a non-equivalent...

Classroom Attendance Auto-management Based on Deep Learning

Dan Wang, Rong Fu, Zuying Luo
Attendance is an important part of daily classroom evaluation. This paper develops an automatic attendance system by integrating two deep learning algorithm Faster R-CNN face detection algorithm and SeetaFace face recognition algorithm. The results of numerous experiments indict that: (1) the system...

Factors Affecting Financial Performance in Sidenreng Rappang Regency Government

Andi Syafrie Naufal, Abdul Rahman Kadir
This research seeks to investigate the influence of Regional Financial Management, Accountability and Transparency, and Work Motivation as moderating factors on the Financial Performance of the Sidenreng Rappang Regency Government. This study is categorized as descriptive quantitative research, employing...

Research Trends on Recognition of Prior Learning Policy; Bibliometric Analysis

Mufarrihul Hazin, Muhammad Turhan Yani, Nur Wedia Devi Rahmawati
Recognition of Prior Learning (RPL) is the keyword for realizing lifelong learning. RPL policy research has been carried out a lot, but it is necessary to understand existing trends and mapping predictive trends. The specific objectives of this study are to analyze publication trends, document type,...

The Moderation Capability of Corporate Social Responsibility on the Influence of Return on Asset and Debt to Equity Ratio on Price Book to Value

Novi Herman Sada
This research aims to learn about the effects of the variable Corporate Social Responsibility (CSR) on the profitability of businesses that are measured by Return On Asset (ROA) and leverage that is analyzed by Debt to Equity Ratio (DER) on the profitability of businesses that are determined by Price...
Proceedings Article

Modeling and Simulation for Safety Redundant Architecture in Train Control System

Hongjie Liu, Bing Ning, Tao Tang, Yu Mu
It is an effective way to enhance the safety of train control system by using safety redundant architectures. This paper consider the typical safety redundant architectures, including double hot standby, 2-out-of-2, 2*2-out-of-2, and 2-out-of-3, establishes models for these architectures by Markov chain....

Increasing the Quality of Education in Vocational Schools Through Cooperation with Industry

Yoto Yoto, Marsono Marsono, Didik Nurhadi, Agus Suyetno
Vocational high school (SMK) cooperation with industry is a form of industry support in guaranteeing the quality of education in Indonesia. The program’s objectives include teaching graduates’ quality to meet the industry expectation and can compete in the current job market. This study used literature...

Kuwu Election Winning Tips in Indramayu District in West Java in the Year 2021

Rasji Rasji, Ariawan Gunadi, Agung Valerama
The village administration in Indramayu Regency is led by a Kuwu, who has a term of office of 6 years. Every time his term of office ends, the Indramayu Regency Government holds a kuwu election. In 2021, the Indramayu Regency Government will hold simultaneous kuwu elections for 171 villages, which are...

Community Sports Participation and Its Distribution in East Java

Hijrin Fithroni, Afif Rusdiawan
The purpose of this study was to determine the level of sports participation of the people of East Java and its distribution in 2022. This study is survey research with a quantitative approach and using a cross sectional design. A total of 25945 people from East Java were used as respondents for this...
Proceedings Article

Experimental Study On Expanding Composite Wall

Yonggang Zhang, Yangang Zhao
Based on the traditional ecological composite wall, expanding composite wall is put forward in this paper. Based on the tests of five pieces of 1/2 scaled expanding composite wall under low-cycle lateral loading, the bearing capacity, ductility, hysteretic characteristics, and stiffness degradation performance...
Proceedings Article

The Performance Comparison among Common Struts of Heavy-duty Gas Turbine

Jian Li, Jian Zhou, Guohui Xu, Lie Yu, Xinping Yan
In order to study the performance differences among struts of a heavy-duty gas turbine, three-dimension finite-element models of several struts were established by Pro/Engineer. Firstly, the stresses of three struts were obtained only considering the rotor gravity. The magnitudes and distributions of...

Improving Students’ Digital Literacy Skills Using Structured Assignments

Tetty Setiawaty, Asrial Asrial, Jakobis Johanis Messakh, Gunadi Tjahjono
Academic culture with digital literacy skills is indispensable in 21st-century learning and the current new normal era. The ability of students to use various application programs on the internet and find references to learning videos and video tutorials is needed to make it easier to do learning tasks....

Indigenous Science-Based Science Learning Model to Develop Science-Culture Literacy and High-Order Thinking Skills of Elementary School Students

I Wayan Suastra, I Gede Arjana, Kompyang Selamet
The main problem in education today is that students’ scientific-cultural literacy and high-level thinking abilities are still weak. The inability of many students to apply scientific knowledge to real-world issues and critically analyze information underscores the pressing need to enhance both scientific...

Taxonomy of Cultural Values of SMEs Organizations

Sulastri Sulastri, Yuki Fitria, Ilham Thaib, Chichi Andriani
This study aims to formulate a model of business culture values that are owned by SMEs Padang city. The population for this study consisted entirely of SMEs under the guidance of the Padang City Cooperative and UMKM Service. The sampling technique was using purposive sampling and proportional area sampling...
Proceedings Article

Model of independent component analysis with reference curve and its application in removing artifact from electroencephalograph

Lizhi Cui, Zhihao Ling, Josiah Poon, Simon K. Poon
This paper proposes a model named Independent Component Analysis with Reference Curve (ICARC) to extract and remove artifact signal from Electroencephalogram (EEG). Firstly, an additional requirement and a priori information are introduced directly into the contrast function of the traditional ICA model....

Intralingual and Interlingual Error in Acquisition of German Consonants

Soflies Marry Bingku, Prilimercy Kojongian
This research examines the factors behind the occurrence of the student errors in learning German. The method used is descriptive qualitative. The factors that cause errors are from the first formally studied language (L 1) and because of the complex rules of the language being studied (L 2). Two types...

Visualization Analysis of Learning Attention Based on Single-image PnP Head Pose Estimation

Dongxing Li, Heng Liu, Wenquan Chang, Pengfei Xu, Zuying Luo
Learning attention analysis of students is the important indicator of classroom teaching/learning quantitative evaluation. Owing to the fact that the head-mounted eye tracker is expensive and unsuitable to be widely used in the large-scale classroom evaluation under expenditure limitation, in this paper,...
Proceedings Article

Vanadium species in HCL and H2SO4 mixed acid as the positive electrolyte for Vanadium Redox Flow Battery

Bingxue Hou
This paper examined HCL and H2SO4 Mixed Acid as the Supporting Electrolyte for Vanadium Redox Flow Battery. The results of Cyclic Voltammetry (CV) and electrochemical impedance spectroscopy (EIS) showed that the MAS sample had a better electrochemical activity than Pristine sample. At 20mAcm-2, VRFB...

Distribution of sulfa resistant bacteria and resistance gene of E. coli in different poultry farm regions

Minglan Jin, Yuxin Zhao, Shimei Sun, Yingying Xu, Honghai Xue, Xiaoyu Zhang, Ying Wang, Yingzi Lin, Ningyi Jin
Antibiotic resistance had increased in recent years, raising the concern of public health authorities. 210 Escherichia coli (E. coli) were isolated from soil samples around the chicken farm, dove farm and quails farm to assess the prevalence of antimicrobial resistance. Broth microdilution and PCR were...
Proceedings Article

Experimental Investigation on Aircraft Wake Vortex Control by Spoilers

Jinsheng Liu
The experimental investigation is mainly to seek an effective method to reduce the strength of aircraft wake vortex which would introduce great hazard to the following flight and threaten the flight safety. The research was carried out in a water-towing tank which equipped with a 2-D Particle Image Velocimetry...
Proceedings Article

Effects of Different Horticultural Substrates Composition and Depth on Runoff Water Quality

Shuai Hao, Yihe Zhu, Shunli Wang, Kefeng Liu, Qiang Zhang
In this research, a new type of roof cultivation substrate with different ratios of six kinds of substrate products and inorganic substrates was laid in a self-made roof model with a thickness of 7.5 cm and 15 cm, and the substrate was sprayed to record the matrix flow production time, the amount of...
Proceedings Article

A comparative study of anode properties of two ordered mesoporous carbons with tailored crystalline structure for lithium ion batteries

Jianguo Cao, Zhaohui Hou, Fanyan Zeng, Chongyong Ge, Yafei Kuang
Ordered mesoporous carbons (C-1 and C-2) with tailored pore size and defined crystal orientation are prepared by liquid crystal template carbonization method using AR-mesophase pitch as carbon precursors and SBA-15 as template. The topography, pore/crystalline structure are extensively characterized...

Implementation of Interactive Maps for Student Learning Outcomes

Eni Heldayani, Maharani Oktavia, Siti Asiyah
Effective learning media can certainly have an impact on the success of learning outcomes. The aim of this paper to find out the implementation of interactive maps for student learning outcomes. The research design is an experiment method with a non-probability sampling type purposive sampling technique....

Variation of Learning Cycle 5E Implementation with Consideration of Learning Interest on the Effect of Electro Pneumatic Control System Problem Solving Ability

Setiadi Cahyono Putro, Wiwit Livia Putri, Yogi Dwi Mahandi, Ahmad Mursyidun Nidhom
This research was conducted in SMK with students’ interest in learning which is still relatively low. The objectives of this study (1) are to reveal the interaction between the application of variations in learning models and interest in learning (2) to reveal the significance of significant differences...

Asset Allocation and the Optimization Portfolio Choice for the Retired Firefighter

Anbo Wang
Asset allocation and portfolio management have become quite important as the fast development of the global finance and the tremendous improvement of people’s life. This paper aims at helping the retired firefighter employ his pension to allocate the assets and find the optimization of the portfolio....
Proceedings Article

Features Analysis of Partial Demagnetization Faults in the 6-phase PM Synchronous Generator with Rectifier Load System

Binghui Wang, Yuguang Sun
This paper focuses on partial demagnetization faults (PDMF) in the 6-phase permanent magnet synchronous generator (PMSG) with rectifier load system. In the study, a multi-loop combined with finite element method (FEM) mathematical model is presented. The multi-loop model utilizes transformation matrix...
Proceedings Article

Research on Effect on Quality of Two-year-old Astragalus membranaceus by Seed-coating Treatment

X.B. Liu, W.C. Ren, S. Yang, W. Ma, L. Ma
The transformed situation of the content of astragaloside, flavonoids, saponins in two-year-old astragalus membranaceus (Fisch) Bge. has been studied through the treatment of astragalus seed-coating by different concentrations (2%, 4%, 6% and 8% of seed dry weight) and the double controls of seed coated...