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In this research we explore the feasibility of using commercial gasoline to extract the ethanol from the ethanol solution to produce gasohol. The experiment simulated a 3-stage countercurrent extraction process. Commercial unleaded gasoline with various octane number (92,95,98) was used as solvent to...

In order to test the mid-strain-rate, a specialized fixture that can be installed on the MTS809 test machine is designed. A three-dimensional solid model of the fixture was established with SolidWorks, and multi body dynamics simulation analysis on the tensile process of dumbbell shaped flat specimens...

This research is a classroom action research to students of Building Technique Education the State University of Surabaya. Subjects were 38 students who programmed the course of laboratory building materials. The research objective is to improve the competence of students, including cognitive, psychomotor...

The objective of this research is to design and to develop an electronic control and monitoring systems for a Brushless DC (BLDC) motor that is employed to run a two wheels electric-bike by integrating the android smartphone and microcontroller via Bluetooth device. The overall research passed through...

In this work, Y(OH)3:Eu3+ nanotubes with 2-3 µm in length and 50-300 nm in diameter have been successfully synthesized on a large scale by hydrothermal treatment of the corresponding oxides in pure water. In addition, Y2O3:Eu3+ nanotubes could be obtained by calcination of Y(OH)3:Eu3+ nanotubes in air...

In this study, polyurethane elastomer containing sulfonic acid based was synthesized by two steps. Poly(tetramethylene ether) glycol with 2000g/mol number average molecular weight were used as soft segment, 4,4-methylenebis(phenyl isocyanate), and 1,2-dihydroxy-3-propanesulfonic acid salt were used to...

This research aim is to describe about the functional changes of Jepin arts in the Banjarnegara. This research uses qualitative approach. The subjects of research are Jepin arts’s artist and the community leaders who take charge of this art. The data collection is done by observing, document studying...

Water quality is one of the factors that influence the cultivation of vannamei shrimp. Therefore it is necessary to periodically monitor water quality. In this study it was designed to monitor pond water quality parameters based on Wireless Sensor Network. This system is designed to monitor the parameters...

As the direct sensor of air quality, the public's perception of air quality is an important basis for the government to make air pollution control decisions. Taking Lanzhou residents as research objects, 521 questionnaires were sent to four urban districts to obtain relevant data on environmental perception...

The research is aimed to evaluate the training program candidates of school principals in LPMP West Nusa Tenggara Province. This research uses qualitative approach, evaluative research method with Robert Stake Responsive Evaluation Model. Data collection techniques uses observation, interviews, and documentation...

This research aimed to find the influence of satisfaction on the quality dimension for the customer loyality at PT. Bank Bukopin, Tbk. Branch of Padang. This research aimed to find:1) the influence of satisfaction on tangibles for the customer loyality, 2) the influence of satisfaction on reliability...

In response to a new round of industrial changes, China has actively deployed the construction of Emerging Engineering. This paper sorts out related research of Emerging Engineering, summarizes the new requirements of Emerging Engineering construction for college engineering talents, and uses the onion...

Railway bridge with the warren type truss structure in the Sumatera region is an infrastructure has existed since the Dutch colonial era. Bridge is used as a mode transportation for natural resources of coal. The construction of railway bridge must always be monitored and evaluated for the feasibility...

One of the tourism villages in Bali which is classified as successful and often as a reference for the development of other tourism villages is Pinge tourism village (which will later be called Pinge only). As a village, Pinge has culture, both traditional, artistic, culinary and natural life. To support...

This study focuses on the traditional communication model of traditional leaders in the indigenous tribe 'Kasepuhan Cisungsang', namely an indigenous tribal community, in Banten Province, the westernmost part of the island of Java in Indonesia. The 'Kasepuhan Cisungsang' indigenous tribe has existed...

Simulation is the imitation of the operation of a real-world process or system which is a common method for scientific analysis. A model is required here to represent the key characteristics, behaviors and functions of the selected physical or abstract system or process. The global 3-D atmospheric model...

This study aimed to obtain deeper understanding and rich information about the reading comprehension strategies employed by the first year English education program students. The participants of this study were first year English education program students in Jambi University who got the highest scores...

The purpose of this study was to describe internalization of character values. This study used a qualitative approach. Data was collected by observation, interview, and documentation studies. The results of the study were: (1) support they have in internalizing character values namely warning statement...

Background: Inter-arm differences in brachial systolic Blood Pressure (BP) are associated with increased cardiovascular risk. It is unclear whether anatomical factors contribute to brachial Interarm Blood Pressure (IABP) differences or whether brachial IABP differences translate to differences in derived...

The public communication in the middle of the COVID-19 pandemic is currently the responsibility of each organization. Belief problems regarding the coverage of pandemic issues in the media to how to deal with pandemic situations need to be communicated periodically by the Organization to prevent irregularities...

During the COVID-19 pandemic, the nation’s economy is suffering due to limited activities, restraining people from having any physical contact during the process of buying and selling. The pandemic has made it difficult for smaller businesses not only to develop, but also to maintain their business....

Lactoperoxidase is a subset of peroxidase, a group of natural enzymes that exist in human saliva. Other than the saliva, these enzymes could also be found in dairy products. The lactoperoxidase enzyme in milk has antibacterial effect, so can greatly reduce the number of viable Streptococcus mutans. Early...

The main aim of this research was to determine the differences in self-efficacy and physics learning outcomes between students who were facilitated by self-assessment with inquiry learning model and students who were facilitated by conventional assessments. This study used a posttest only non-equivalent...

Education is undergoing significant changes due to the widespread penetration of digitalization in all sectors of the country. To examine the evolving role of teachers in future education, this analysis focuses on policy documents and reports issued by UNESCO, as well as research materials from foreign...

This study aims to analyze (1) student independence. (2) Learning Outcomes in E-Magazine media of Dessert material. (3) Learning Independence with Learning Outcomes in E-Magazine media of Dessert material. The research location is at the Culinary Laboratory, Faculty of Engineering, Medan State University....

The research located in Sambutan TPA, Samarinda City, East Kalimantan Province, Indonesia, with an area of ±350 m2. This study aims to interpret the resistivity and direction of the distribution of subsurface leachate using the resistivity method of the Wenner configuration with a track length of 90...

In recent years, ASEAN has put its focus on developing the digital economy in the region. Google, Temasek and Bain & Company The digital economy in six SEA countries which are Indonesia, Malaysia, Philippines, Singapore, Thailand and Vietnam is estimated to deliver about US$100 billion in revenue...

This study aims to look at the differences in work engagement among employees with permanent contract and temporary contract status in multinational companies in Indonesia. Work engagement is a positive, satisfying, work-related state of mind characterized by vigor, dedication, and absorption. Employee...

Self-directed learning abilities are important for students to study physics because learning basic physics with an applicative orientation requires students to apply knowledge in solving problems. In solving problems, it takes initiative to find solutions to problems, these initiatives are related to...

The growth and popularity of athletic events in Indonesia might cause ripple effects in the tourism and creative economy sectors. Sports are not only a need but have also become a part of people’s lifestyles. Cycling is one of the most popular leisure sports in urban areas. The Sriwijaya Gran Fondo’s...

Ethnoscience is the integration of local cultural knowledge and practice into science learning. Ethnoscience has a role in chemistry learning, including not only the introduction of science concepts relevant to local culture but also includes the use of innovative teaching strategies. This research uses...

This study aims to comprehensively examine the influence of good corporate governance (GCG) on firm valuation in the energy sector using a systematic literature review (SLR) approach. The research identifies dominant trends, key influencing factors, and practical implications for stakeholders in strengthening...

Background: Non-pharmacological management of hypertension includes regular exercises. Yoga has been pointed as effective on treatment of hypertension. Its many aspects like yoga poses (asanas), respiratory control (pranayamas), meditation and others have not yet been assessed separately to understant...

Aim: Evaluate whether exposure to chronic stress is associated with early vascular aging in hypertensive patients and possible gender differences in this relationship. Methods: Patients where recruited in a Hypertension outpatient clinic during a visit for the evaluation of subclinical organ damage....

Purpose/Background/Objectives: We investigated the acute effect of electronic cigarette (EC) smoking on the aortic pressure waveform amplification. We also sought to compare the effect of EC and combustible cigarette (TC) smoking on central haemodynamics. Methods: We studied 24 smokers (age: 30±8 years)...

Kelakai is an endemic fern found abundantly in Central Kalimantan. Regardless of its high availability, low economical value, and potential health benefits (natural source of iron, folic acid, antioxidant, antidiabetic, etc.), the utilization of the plant as a food ingredient is still limited. Black...

The existence of a blank spot area for internet signals and economic limitations are obstacles to the online learning process as happened in the Kokap sub-district, Kulon Progo, DIY. Community radio offers a solution, but problems related to managerial constraints and the quality of human resources become...

Nasopharyngeal carcinoma (NFC) is a malignancy that come from the nasopharyngeal epithelial cell which is that distribution has been affected by geographic and ethnicity. NFC is caused by multifactorial causes, one of the is Epstein Barr Nuclear Antigen-1 (EBNA-1). EBNA-1 affects some of the signalling...

Local government has important roles in developing populist economic. The existence of Banyumas Regional Regulation No. 3/2010 about the Management and Supervising of Traditional Markets, Shopping Centres and Modern Stores is a local government’s way to preserve the existence of traditional markets....

This work aims at modeling and designing a transmission pole structure for further investigation of the economic benefits associated with various grades of steel. Indeed, it was necessary to develop a population of possible design cases, to check structural safety, from which were selected the less expensive...

In accordance with the approximate lower triangular parity check matrix standard of low-density parity-check codes in IEEE Standard 802.16e, this study used LabVIEW to write a variety of adjustable encoding patterns generated at the transmitter end within a single-program structure, including six groups...

The study objectives are 1) to explain the effect of learning strategies based on investigation to critical thinking skills, metacognition, and mastery of the concepts at senior high school students; 2) to empower critical thinking skills and metacognition at senior high school students; and 3) to compare...

In view of the current increasingly serious problem of petroleum hydrocarbon pollution in water bodies and the lack of effective pollution control technology, the attapulgite is used as the adsorption medium in this study. Firstly, a series of laboratory experiments (roasting, Acidic, and organic modification)...

The research on the coordinated development of new industrial and technical talents has important practical significance. This paper constructs the index system of the two major systems, and uses the coupling model to conduct an empirical analysis in Jiangxi Province. The results show that: (1) Jiangxi...

Nowadays, the parametric design is one of the design approaches or method that architect and designer believe can be a tool for analyzing the possibility of geometric deformation and easily anticipating it by changing parameters. The parameters were changed through the parametric design software, which...

Interior design is a work of applied art that not only talks about the problem of physical function, but also reflects the meanings to be conveyed to others. Thus, this study attempts at discussing meanings reflected from the interior of Pracimayasa building in Pura Mangkunegaran as a traditional Javanese...

Optimal teacher’s performance is one of the main factors in the student's learning achievement. Therefore, the study of variables that are thought to have an influence on teacher’s performance is very important. The purpose of this study is to analyze the influence of (1) principal's leadership on teachers’...

This paper intended to study the dynamics of social life of the community, especially the Indonesian community who recently seemed disturbed. Historically, the people of Indonesia are very diverse, seen from the aspects of ethnicity, religion, and culture. In a very long time, the people of Indonesia...

This paper aims at analyzing realistic problems and putting forward policy suggestions cultivating new types of agribusiness in Sichuan province. To achieve it, field surveys were applied and the results found performance has been achieved in cultivating new types of agribusiness while there are still...

Ciletuh-Palabuhanratu UNESCO Global Geoparks is a single and unified geographical area the site and landscape are united with international geological significance managed with the concept of holistic protection, education and sustainable development. There are many sites located in the Ciletuh-Palabuhanratu...