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2515 articles
Proceedings Article

Study of Hydro-Climatic changes and Anthropogenic Activities on Water of Subarnarekha River of Jamshedpur District, Jharkhand, India

Kumari Swarnim, Sunil Kumar, R. K. Singh
This study focuses on the evaluation of impacts of the Hydro-Climatic changes and also Anthropogenic about water and water bodies of Subarnarekha river of Jamshedpur region situated in Jharkhand, India. Any human behavior that hinders the utilization of water as a resource could be referred to as water...
Proceedings Article

Experimental analysis of frequency on tensile-compressive fretting fatigue behaviour of Al-Zn-Mg alloy

Jiaxin Jiang, Xuemin Fu, Yue Shen, Xiaosong Jiang
Experimental analysis of frequency on tensile-compressive fretting fatigue behaviour of Al-Zn-Mg alloy was studied in this paper. Effect of frequency on fretting fatigue lives, damage characterization and fretting fatigue fractures of Al-Zn-Mg alloy were researched under different frequencies. Factors...

Study on the Prevention and Countermeasure of Campus Network Loan Risk

Jing Zhang, Wan Ke, Yu Pan
In recent years, the development of campus network loan has developed rapidly and gradually formed a popular trend. This form of popular can not be separated from the development of the network and individual needs. But what can not be ignored is that the campus network loan has brought a huge burden...
Proceedings Article

Preparation of Activated Carbon from Palm Oil Trunk Using H3PO4 as Activating Agent

Delviana Dwi Jaya, Miftahul Khair
Activated carbon has been successfully made from oil palm trunk with carbonization temperature of 200°C, held for 60 minutes, and chemical activation at room temperature by flowing H3PO4 15% as an activating agent. The proximate analysis results are yield of 78.9%, moisture of 1.1%, ash content of 4.1%,...
Proceedings Article

Comparison Between Sequencing Batch Reactors (SBR) and Stirred Tank Reactors (STR) in Handling Hydraulic Shock Loads

Herawati Budiastuti, Emma Hermawati Muhari, Laily Isna Ramadhani, Mukhtar Ghozali, Robby Sudarman
The use of Stirred Tank Reactor (STR) in wastewater treatment requires a Clarifier in its operation so that Sequencing Batch Reactor (SBR) is an alternative solution. The clarifier is needed to recover some of the wasted microbes in the effluent stream. With SBR, the Clarifier function is replaced when...
Proceedings Article

The Estimation of NI, NRR, and Output of Garut sheep at Breeding Center in Garut-West Java

Putri Kusuma Astuti, Hamdani Maulana, Aprilianna Zahara Nafsina Luvita Sari, Panjono, Yudi Guntara Noor, Nuryanto, Rahmat Hidayat, Dyah Maharani
Sheep is one of Indonesia’s most important germplasms, whose prolific capability enables it to meet the meat consumption needs of small ruminants. PT Agro Investama is a private company that operates as the largest Sheep breeding center located in Malangbong District, Garut Regency, West Java. This research...
Proceedings Article

Characterizing Petri Nets with the Temporal Logic CTL

Zhifeng Liu, Zhihu Xing
Model checking is a powerful technique for verifying systems and detecting errors at early stages of the design process. When model checking is used to check properties of Petri net, the specification has to be expressed in temporal logics. In this paper we will focus on how to characterize some important...

The Production and Operation Path of Net-generated Documentary High-Quality Development Based on Big Data

Yun Liu
Relying on the application and analysis of big data technology, the current mainstream video platforms have opened up a new situation for producing and marketing online documentaries. The video platforms take big data as the guide, boutique production of online documentary content, relying on big data...

WTI Futures Price Forecasting Based on Multi-Graph Fusion Spatiotemporal Attention Network

Junke Huang, Hui Qu
This study develops a Multi-Graph Fusion Spatiotemporal Attention Network (MG-STAN) to better capture the evolving interactions between crude oil markets and related financial systems. The proposed framework incorporates temporal embeddings, spatial attention modules, and a multi-graph structure to reflect...

Policy Responses on Covid-19 Pandemic

A Comparison Between West Java Province and East Java Province

Suhartono Winoto
This study described how policies are implemented in response to current health disaster condition. Policy was regarded as a concrete effort by the Government to deal with current problems. Comparison of policies was carried out in order to compare policies with one another in order to determine their...
Proceedings Article

Hydrogeochemistry of springwater in Leuwisari subdistrict and surrounding, Tasikmalaya, West Java, Indonesia

Sofia Fadillah, Wawan Budianta, Doni Prakasa Eka Putra, Dwi Agus Kuncoro, Fabian Priandani
The southern foot slope of the Galunggung volcano in Leuwisari subdistrict and surrounding, Tasikmalaya, Indonesia, is abundant in springs. These springs are crucial to the community since they provide water for both domestic and agricultural purposes. However, the hydraulic connection between these...

Lightweight Machine Learning for Condenser Valve Prediction in a Geothermal Power Plant: A Darajat Case Study

Opan Ropandi, Sihana Sihana, Dwi Joko Suroso
Improving condenser performance is essential for sustaining the efficiency of geothermal power plants within Indonesia’s Net Zero Emission roadmap. This study investigates the application of machine learning (ML) models to predict condenser valve openings at PLTP Darajat. Three models were evaluated:...

Tools for Evaluating the Quality of Public Services in the Sphere of Small and Medium-Sized Business Support and Promotion

A.V. Averin, V.V. Grigorieva
The paper considers issues related to the evaluation of the quality of public services in the sphere of small and medium-sized business support and promotion. The authors identify the problems, objectives and main tools of evaluating the quality of the services provided by public organizations to small...
Proceedings Article

Anthropometric Correlation with Blood Glucose Level in Community Health Center Tuntungan, in Medan City

Rina Amelia
Obesity, an excessive accumulation of fat in the body tissues, can occur throughout the body or in a certain part of the body, such as in the abdominal area known as central/abdominal obesity. Fat distribution in the body can be measured by using anthropometry conducted by measuring Body Mass Index (BMI),...

Sharpening Strategic Collaborative of Social Safety Net Program in Covid-19 Era:

The Uses of Force Field Analysis

I. Gede Eko Putra Sri Sentanu, Ardian Prabowo, Klara Kumalasari, Yuliannova Lestari, Pongsathon Kaewmanee
The COVID-19 outbreak in Indonesia has triggered a socioeconomic disaster. The government needs to include the Direct Cash Assistance (Bantuan Langsung Tunai) program as an essential social safety net for citizens affected by COVID-19. Because of incorrect distribution. The purpose of this research is...
Proceedings Article

Enhanced the adsorption of cadmium by modified orange peel with sodium hydroxide and ethyl alcohol

Jing Gao, Shiyu Jiang, Yunxu Zhu, Shanglong Chen
The aim of this work was to modify orange peel with sodium hydroxide and ethyl alcohol, and optimize the modified conditions and the adsorption parameters. The effects of various parameters including NaOH solution volume, NaOH solution concentration, ethyl alcohol volume, reaction time, reaction temperature,...

Analysis of the Impact of Sharia Bank Performance on the Financial Performance of Its Parent Conventional Bank: A Case Study of BSI and Bank Mandiri

Bambang Waluyo, Indianik Aminah, Herbirowo Nugroho
This study aims to analyse the impact of Bank Syariah Indonesia's (BSI) financial performance as a subsidiary on the economic performance of the three conventional banks that own it: Bank Mandiri, the parent bank, as well as BNI Bank and BRI Bank, which are non-controlling owners. This study utilises...
Proceedings Article

Effect of frequency on multi-axial fretting fatigue damage behavior of Al-Zn-Mg alloys

Xuemin Fu, Jiaxin Jiang, Beilei Yang, Xiaosong Jiang
In this paper, effect of frequency on multi-axial fretting fatigue damage behavior of Al-Zn-Mg alloys is studied. Point contact fretting fatigue tests are used to research effect of frequency on multi-axial fretting fatigue lives, fretting wear area and fracture appearance. Based on experimental results...

Increased Urinary L-Histidine Concentrations in Children with Obesity

Li Xie, Wei Xie, Xuejun Kang, Zexin Cheng
L-histidine plays an important role in the growth of infants and young children as well as positively improves insulin resistance through suppressed inflammation. The study aimed to investigate the relationship between L-histidine levels and obesity and evaluate the feasibility of L-histidine as an important...

Development and evaluation of the Interactive Network Language Teaching Platform Based on SNS and Web

Yujie Chang
This article in the context of the situation, the author proposes an open management model of teaching resources constructed under the Microsoft. NET platform based on SNS and Web services technology. Finally, a roadmap for the system and key implementation technologies are analyzed and the structural...
Proceedings Article

Start up of the EGSB reactor under the condition of poor nutrition and Microbial community analysis by next generation sequencing

Runhua Liao, Yan Jiang, Weipan Wang, Jie Du, Yueming Li, Bin Fan
The objective of this study was to investigate the successful start-up of poor nutrition simulated wastewater with sodium acetate carbon source in an EGSB reactor, and EGSB reactor inoculated the flocculent sludge from the anoxic zone in the municipal sewage treatment plant. The results demonstrated...
Proceedings Article

Effects of Selenium on Photosynthetic Characteristics of Tomato Seedlings

Liming Wang, Guochao Sun, Yi Tang
A pot experiment was conducted to study the effects of different concentrations selenium (Se) on the photosynthetic characteristics of tomato seedlings. The results showed that the photosynthetic parameters and photosynthetic pigment content of tomato seedlings increased first and then decreased, and...
Proceedings Article

Predicting Stock Returns from Company Financials and Machine Learning

Aerjay Castañeda, Ligaya Leah Figueroa
The accurate prediction of the performance of stocks in the stock market has been a longstanding problem in the field of finance and applied mathematics. We use financial statements data from the U.S. SEC and share price data from Kaggle to predict U.S. stock market returns using LightGBM. After training,...
Proceedings Article

Effects of Exogenous Melatonin on Photosynthetic Characteristics of Lettuce Seedlings under NaCl Stress

Zesheng Yan, Mi Li, Yi Tang
A pot experiment was conducted to study the effects of spraying melatonin(MT) on photosynthesis of lettuce seedlings under NaCl stress. The results showed that net photosynthetic rate(Pn), stomatal conductance(Gs), light use efficiency (LUE)and transpiration rate (Tr) were improved, especially when the...
Proceedings Article

Design of Environmental Technologies on Agricultural Land

N.I. Bukhtoiarov, E.V. Nedikova
Annually an area equal to an agricultural enterprise is removed from intensive agricultural use as a result of water and wind erosion. Along with this, the deforestation is increasing and the ploughing of territory is also growing. Therefore the issue of the development of environmental technologies...

EFEKTIVENESS TEST OF AKAR KUCING PLANT EXTRACT (Acalypha indica Linn) TO LOWER TOTAL CHOLESTEROL LEVELS IN RATS (Rattus novergicus) WHICH INDUCED HYPERCHOLESTEROLEMIA DIET

Retno Sri Wahyuni, Fitria Agung Nugrahaningtyas, Nove Hidayati, Rochmah Kurnijasanti
This research aims to determine the effect of ethanol extract of Acalypha indica Linn. on levels of total cholesterol of rat that is induced pig oil. This was an experimental research. The sample used was 20 rats were divided into 5 groups (1 group is consist of 4 rats), namely: 1) positive control,...

Empirical Analysis of Factors Influencing Agricultural Insurance Coverage in China: A Supply and Demand Perspective

Xuan Zuo, Qiao Zhang
"The cold facts of the supply and demand situation" for agricultural insurance guarantees in China are the key reasons for the current low levels of protection available. Through an analysis of economic principles and domestic and overseas research, we posit the factors influencing the level of agricultural...

Comparative Analysis of Investment based on the Gold Sector

Yan Zhang
Since January 26, 2018 to August 7, 2019, under the issue that the Shanghai Composite Index has fallen sharply, the RSI expert system still recorded positive returns in the gold sector. Compared with the W&R expert system, its winning percentage, annual return, and net profit margin are 1.23, 13.96,...

An Approach to Risk Assessment of an Investment Project for the Development of a Coal Deposit

Marina V. Pisarenko, Andrey B. Efremenkov
To assess the risk of an investment project for the development of coal deposits in conditions of the initial data uncertainty, methods of fuzzy logic are used, which allow operating quantitative and qualitative information, including the one difficult to formalize. To take into account the uncertainty...

Assessing the Success of the E-Government System in Terms of the Quality of Public Services: A Case Study in the Regional Government of the City of Tangerang

Arief Rahadiono Wismansyah
This paper aims to assess the success of the eGovernment system in the quality of public services. The data was obtained using a questionnaire distributed to residents who had accessed the Tangerang LIVE application, with the number of samples taken up to 400 people. This study found a significant influence...
Proceedings Article

Magnetic Levitation Device for Harvesting Power-frequency Magnetic Field and Mechanical Energy

Wei He, Yue-Ran Lu, Chi-Wen Qu, Cheng-De Lin, Gao-Feng Che, Ji-Tao Zhang
Energy harvesting from ambient energy sources has been receiving considerable interest as the power supply of wireless sensors networks. In this paper, a hybrid energy harvester based on magnetic levitation is presented for scavenging power-frequency magnetic field and mechanical energy. A Halbach array...

Internal Factors of Dividend Policy at the Firm Level: A Case Study of Lenovo Annual Report

Yuhan Cao
This paper examines Lenovo’s 1617 Annual Report to analyze internal factors of the dividend policy. Dividend policy illustrates relevant events like whether corporations issue dividends, about what percentage of dividends would be issued and when would be the issuing date. Virtually, the main concept...
Proceedings Article

Effects of Selenium on Growth and Physiological Characteristics of Tomato Seedlings

Jichao Liao, Guochao Sun, Yi Tang
A pot experiment was conducted to study the effects of different concentrations of selenium (Se) on the growth and physiological characteristics of tomato seedlings. The results showed that the biomass, SOD activity, POD activity, CAT activity, soluble protein and soluble sugar content of tomato seedlings...
Proceedings Article

Sustainability Status and Factor Analyses to Improve Post-mining Land Use Sustainability Level with Pepper and Rice Plants

Ansahar, S. R. P. Sitorus, H. Hardjomidjojo, E. I. K. Putri, Y. H. Lawing, D. Wahyudi
This study aimed to: (1) Determine the sustainability status and factors that can be used to improve the post-mining land use with the Multidimensional-Scaling (MDS) method based on the ecological, economical, social, law, infrastructure, and technological dimensions, (2) Calculate the business investment...
Proceedings Article

Mechanochemical capture of carbon disulfide by magnesium-carbon composite

Liu Bogu, Zhang Qianqian, Liu Pei, Chen Haipeng, Yu Hao, Zhou Shixue
This work is concerned with mechanochemical capture of carbon disulfide (CS2) by magnesium-carbon composite from ball-miling of Mg and carbonized anthracite. XRD analysis shows that cubic crystal MgS forms when milling time increases more than 1.0 h. The sulfur contents in composites from 0.5, 1.0, 1.5...
Proceedings Article

Effects of Exogenous Abscisic Acid on Photosynthesis of Lettuce under NaCl Stress

Zesheng Yan, Qin Li, Yi Tang
Soil salinization has become a global problem. This test used the method of spraying different concentrations (1, 5, 10, 20 mol-L-1) of ABA to lettuce leaves respectively, with spraying water as control, to discuss the effects of exogenous abscisic acid (ABA) on photosynthesis of lettuce under NaCl stress....
Proceedings Article

Phenotypic Diversity of Photosynthetic Characteristics in 16 Cucumber Accessions Selected from the Core Collection

Yuan-Yuan Zhao, Sha Li, Rui-Jin Zhang, Li-Hong Su, Huan-Xiu Li, Yun-Song Lai
To investigate the phenotypic variation of cucumber photosynthesis, net photosynthetic efficiency of cucumbers were measured by LI-6400XT Portable Photosynthesis System. Non-rectangular hyperbolic model was adopted to fit the light response curve. We used 16 cucumber accessions selected from the core...
Proceedings Article

The Effect of Quercetin for Salt Induces Renal Fibrosis by Suppressing Collagen Production

Widia Lestari, Sri Lestari Sulistyo Rini
The bad effect of salt have been suspected for a least one hundred years. High salt intake increased production of TGF-β where as TGF-β activates a receptor serine/threonine kinase (RS/TK). Through phosphorylation Smad2/3 and Co-Smad cascade they recruited transcription factors and co-activator for initiates...

Risk Identification and Monitoring Model of Online P2P Lending

Jianying Xiong
The fast-growing of P2P network lending has also brought many threats to the users. Risk identification plays an important role in the supervision of P2P net loan. So the effective risk identification of P2P network lending is very important to the network financial management. The risk assessment model...
Proceedings Article

Exploring the Impact of Internet Development on Carbon Emissions: A Scientometric Analysis

Chung-Lien Pan, Ziqing Ou, Siting Mo, Yueying Lin, Changxin Yu
Based on the net zero carbon emission goal of the Paris Agreement, climate warming has become a global issue that the international community attaches great importance. As an engine to promote the rapid development of various fields, the Internet will undoubtedly have a particular impact on carbon emissions....

Strengthening Marketing Mix Performance to Enhance the Competitiveness of Tourism MSMEs Using Importance Performance Analysis Approach

Retno Yustini Wahyuningdyah, MG. Westri Kekalih Susilowati, Widuri Kurniasari
In terms of globalization, turbulent and highly complex environment, competition is stronger and more ruthless. MSMEs are faced with the need to find new ways, paths, and methods for achieving sustainable competitive advantage. Tourism market is determined primarily by tourism demand and tourism offers....
Proceedings Article

Technological Approaches to Cider Quality

Anna Kolobaeva, Olga Kotik
The purpose of the study was to determine key parameters influencing the quality of cider. Six apple grades of different ripeness period were considered: Ulyanishchev's Memory, Berkutovskoye, Ligol, Rossoshanskoye Striped, Bogatyr, and Lobo. All fruits were grown in the pomological garden of Voronezh...
Proceedings Article

Functional Properties of Protein Hydrolysate of Sea Fish and Low Economic Value Hydrolysis Results Using Biduri Protease

Yuli Witono, Livia Wahyuni, Lilik Krisna Mukti, Ardiyan Dwi Masahid, Asrul Bahar
In 2017, The Indonesian fishing productivity reached 6,424,114 tons from the sea and 467,821 tons from freshwaters. Some kinds of sea fish which contain high protein are Crocodile flathead fish (17.86%) and Cardinal fish (18.26%), while kinds of freshwater fish that contain high protein are Common barb...
Proceedings Article

Effects of Exogenous Melatonin on Photosynthetic Characteristics of Capsella bursa-pastoris Seedlings under Salt Stress

Juan He, Guochao Sun, Yi Tang
A pot experiment was conducted to study the effects of spraying with 5 different concentrations (0, 50, 100, 150, 200 μmol·L-1) of exogenous melatonin (MT) on photosynthetic characteristics of C. bursa-pastoris seedlings under 50 mmol·L-1 NaCl stress. The results showed that spraying exogenous MT significantly...
Proceedings Article

A Method of Autonomous Recoverment for Survivable System

Tao Sun, Guo-Sheng Zhao, Jian Wang, Yan Su, Hai-Long Liu
A method of autonomous recoverment for survivable system was proposed. Firstly, failure models of survivable system were formally described based on stochastic Petri nets, in which a number of measurable index parameters for recoverment were also given out. And then a recursive autonomous recoverment...
Proceedings Article

Metabolisable Energy Values of Beef Cattle Ratio Determined Using In Vitro Gas Production Technique

Kusmartono Kusmartono, Mashudi Mashudi, Poespitasari Hazanah Ndaru, Aprilia Dwi Kartika, Muhammad Rifki, Kania Ainul Mardhiah
This study aimed to evaluate the metabolizable energy (ME) value of beef cattle rations using the in vitro gas production technique. Rumen fluid samples were collected from a slaughterhouse in Malang City and analyzed at the Animal Nutrition and Feed Laboratory, Faculty of Animal Science, Universitas...
Proceedings Article

Effect of The Combination of Polishing and Dry Milling Method on Black Glutinous Rice Flour Characteristics

Riezka Zuhriatika Rasyda, Tjahja Muhandri, Slamet Budijanto
This study aims to determine the effect of the combination of polishing and dry-milling method on the characteristics of black glutinous rice flour (BGRF) it produced. The observed parameters were total anthocyanin content, total phenolic content, DPPH and FRAP antioxidant activity, proximate content,...
Proceedings Article

Effect of Extract Black Cumin (Nigella sativa) on the Vaginal Cytology of Ovariectomized White Mouse (Rattus Novergicus Strain Wistar)

Kusuma Andriana, Dian Yuliartha Lestari
Hypoestrogen in menopausal women causes loss of glycogen, decreased lactic acid production that could rise the vaginal pH and facilitates the occurrence of infection, irritation and vaginal becomes dry, hot and itchy. The importance of the role of estrogen for women reproduction, encouraging researches...
Proceedings Article

Longitudinal Tensile Test of Bamboo Lamination (Dendrocalamus asper and Gigantochloa apus) for Gligen Part (Anco/Lift Net Fishing Tools)

Sulaiman Sulaiman, Muhammad Ridwan, Suharto Suharto
A study on assessing the tensile test of bamboo lamination using Dendrocalamus asper and Gigantochloa apus. Focus in this research is strength of Gligen (part of Anco/liftnet). Here we use bamboo laminate products with special adhesive materials. The basis for making a bamboo lamination model with the...
Proceedings Article

Study on Pilot-scale Experiment of Electro-catalytic Oxidation in the Deep Treatment of Coking Wastewater

Xiang-Ji WANG, Jun-Bo ZHOU, Ai-Jun ZHANG, Chao WANG, Dong XIAO, Zhi-Na JIN, Yuan MIAO, Tong-Tong ZHI
To investigate the reduction of the COD of coking wastewater by electro-catalytic oxidation, the electro-catalytic oxidation pilot-scale experiment was carried out using the coking wastewater treated by A2/O and the coking wastewater treated by A2/O and fenton oxidation. And the modified electrode material...