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This study examines an air-pollution episode in Qingdao during 19th–26th December 2019, focusing on the physicochemical properties of different aerosol types and the evolution of their components to identify the particle sources that influenced and dominated the event. By combining air-mass back-trajectory...

The development of electric vehicle charging station have a directly influence on the promotion of. With large construction of charging station in China in recent years, it's of great importance to establish reasonable charg-ing station construction. According to the graphic appraisal method, we set...

The effects of transformers on the types and characteristics of voltage sag are also different when the voltage sag is transmitted by the transformers, which have different winding connection modes. In this paper, using the system simulation model built by PSCAD, based on the derivation of voltage transfer...

The expansion of international trade has driven the development of container transportation, and the scheduling of vessels in feeder services within an axial hub-and-spoke network is crucial for the efficiency of shipping companies. This paper constructs a mixed-integer programming model with the maximum...

Efforts to overcome crimes using criminal sanctions are considered the most appropriate ways to minimize crimes, although the formal processes have limitations that an idea to make efforts and provide other facilities in overcoming crimes are greatly necessary. The function of prisons may cause the dehumanization...

The demand for hydrogen is expanding, which has led to research into hydrogen manufacturing. Analyzing options for lowering the environmental effect of petroleum-based fuels can be made easier with an understanding of the process by which biomass is transformed into hydrogen gas. This experiment evaluated...

This study was carried out based on the fact that there were optimal technique for student’s learning function which lead lecturers into the implementation of a scientific approach-based learning models, a model centered on the lecturer. The aim and objective of this research study is to develop an ASSURE...

The use of technology in the classroom has become a vital element in meeting the demands of the 21st industrial revolution. This study presents second-year students teachers’ experiences of utilising ChatGPT in the teaching and learning of Economic and Management Sciences. The study falls within an interpretive...

Adolescents represent a strategic group in the development of human resources; however, their nutritional status in Bontang City continues to face significant challenges. Although administrative achievements such as Child Identity Card (CIC) ownership reached 82.4% by 2025, health data reveal that 27%...

In multi-core processors,the heterogeneous multi-core processors are more practical than homogeneous multi-core because they have asymmetric cores.Therefore,the multi-thread scheduling among them becomes a hot research topic.In this paper, an Improvement Accelerating Critical Section algorithm is proposed...

In response to core issues in application-oriented undergraduate mathematics education, such as the disconnection between teaching materials and majors, traditional teaching methods, and a singular evaluation mechanism, this study constructs an innovative teaching model system centered on “student-centered,...

Sustainable tourism has always been a reference in the development of tourism around the world, the awareness of tourism industry actors, local community, and visitors, in supporting tourism development increasingly heavily heard as a discourse to improve the welfare of the community. This research uses...

Extended pandemic has mounted concern about the quality of instruction as engagement among course participants, teacher and content remains a problem albeit the use of technology. Disruption in education characterized by techno-mediated instruction has changed the paradigm on evaluating the effectiveness...

Indonesia is currently struggling towards Universal Health Coverage (UHC) by the year 2019, but policy actors have difficulty in adjusting centralized health insurance management policies at the central level through Law No. 24/2011 on Social Security Provider (BPJS) and Presidential Regulation No. 12/2013...

From 2015-2018 there was a surge in the number of people convicted of incident abuse and illicit narcotics trafficking in Indonesia. The increase was 82%, from 63,355 people in 2015 to 115,289 people in 2018. Several cases of abuse and illegal narcotics trafficking occurred in prisons/ detention centers...

Sustainable transportation is a concept of sustainable urban development without harming future life. To realize Yogyakarta as a Smart City. Sustainable Transportation is a dimension/sector of Smart City which is also an agreed global concept. This study aims to determine how the implementation of Sustainable...

The increasing number of vehicles in an area is the cause of road damage. The load from these vehicles can cause deformation in the road layer, especially in the asphalt concrete-wearing course (AC-WC) layer. Improving the quality of road layers requires materials that meet specifications and additives...

The motion of two bubbles under gravity is numerically studied through the lattice Boltzmann method for the Eotvos number ranging from 1 to 12. The effects of Eotvos number on the bubble coalescence and rising velocity are investigated. It has been found that the uppermost bubble deforms the most because...

Non-alcoholic fatty liver disease (NAFLD) is often encountered in the field of hepatology. The disease has a broad spectrum ranging from non-inflammatory fat-accumulating macrovesicles (simple steatosis) and develops to fibrous and cirrhosis. The rate of NAFLD is 15-30% in western countries and around...

This research aims to explain the percentage and form of misconceptions from students’ prior knowledge on simple electrical circuits concept using a four-tier diagnostic test. The concept of simple electrical circuit described is predicting the flame of a light bulb, predicting the amount of current...

This study investigated how Jakarta’s public transportation uses social media (Twitter) during the COVID-19 pandemic, as well as how public transportation can help Jakarta reduce air pollution. MRT Jakarta, KAI Commuter, and Jakarta Transportation are the three official Twitter accounts for Jakarta’s...

Komnas Perempuan’s Annual Records noted that within 12 years, sexual violence had increased by 792%, and it can occur in various places, including higher education. Tirto’s report in 2020, there were 174 reports of sexual violence spread across 79 universities in Indonesia. To prevent and deal with violence,...

The concrete industry needs millions of tons of aggregate, comprising natural sands and gravels, each year. In recent years there has been an increasing trend towards use of recycled aggregate to save natural resources and to produce lightweight concrete. In this investigation, an attempt was undertaken...

As distance learning has emerged as the imperative new mode of teaching and learning following the abrupt closure of schools and universities, the research on this area has significantly thrived. And in the case of Indonesia, numerous research on online learning has been documented since then. However,...

To continuously improve the college students' physical health is an important task of higher education. From September 2016 to January 2018, statistics were collected on common diseases of male and female college students who went to Tianjin Agricultural University School Hospital. Statistics found:...

Since 2006 Indonesia has developed a laboratory-based influenza surveillance system. Confirmation of influenza-like illness (ILI) cases is conducted by PCR examination in regional laboratories and followed by virus isolation on positive PCR samples. The long process ILI samples shipping that in the chain...

Small-scale fishers in Tambak Lorok, Semarang, face escalating climate-related threats, including sea-level rise, coastal erosion, and erratic weather patterns, which critically jeopardize their livelihoods. This study investigates their adaptation strategies through the framework of Sustainable Development...

The optimal design of MBR system for oil film wastewater was introduced. The influence of aeration rate, aeration structure and reactor structure on the average cross flow velocity was studied. The average cross flow velocity between films was 1.25~1.28 M/s is a reasonable parameter to effectively slow...

Red spinach (Alternanthera amoena Voss.) is a plant with high nutritional value and contains anthocyanin compounds that act as antioxidant compounds to prevent the formation of free radicals in the body, besides that anthocyanin can also treat anemia. The increase in demand for red spinach in the market...

Vaccination is one of the health interventions carried out by the government, as an effort to deal with the spread of COVID-19. Indonesia has started a vaccination program since the beginning of 2021 and has successfully injected 321,258,956 doses of COVID-19 vaccine in both the first, second, and third...

Patient safety has become a global concern since the publication of the Institute of Medicine report in 1990. Nurses are health workers who play a very important role in patient safety. The patient is on the nurse’s responsibility 24 hours a day. Nurses fulfill all the basic needs of the patient every...

The rise of short video platforms has significantly transformed the landscape of artistic creation, presenting new challenges and opportunities for art education, particularly in fields such as theater and film. Traditional pedagogical models often suffer from fragmented skill training and disjointed...

This paper mainly introduces the machine learning algorithm to predict the rise and fall of SP500 stock return prediction. Data of stock trading in the past 12 years (opening price, highest price, lowest price, and closing price) were adopted and preprocessed as sample data. Finally, nine technical parameters...

This study focused on the Northeast China as the research area, utilizing MODIS data and the XGBoost model to invert soil organic matter content from 2000 to 2024. The inversion results were analyzed for spatiotemporal variation characteristics, in conjunction with the soil nutrient grading standards...

The research group carries out a survey on 12 schools in minority area of northern Guangdong; the questionnaire involves 734 primary and middle school teachers, and the teachers of minority account for 34%. Through comparison on nationality, gender, education background, primary and middle school in...

Fruits and vegetables (FV) contain essential vitamins and minerals for children’s growth and development. Introduction of FV in young children can improve their preference for healthy food. The purpose of this study was to develop FV combinations based on children’s preferences and balanced diet recommendations....

Mountain forest is one of the remaining natural forest types in the tropics. Economic needs and the lack of forest villagers’ knowledge around the mountain forests often lead to deforestation. Therefore, efforts to prevent and community empowerment are needed to conserve the remaining natural resources....

Gold price is complicated for containing many factors. So the evolution process in the gold price is important. In the paper the sequence of gold price is defined as a time series. The ARMA model is used to solve time series problems, especially in the field of finance. The ARMA model is a regression...

Efforts to uphold these human rights can also be carried out in consulting institutions. One of prisoners’ rights in prison is the right to receive visits from their families. In Law Number 12 Year 1995 Article 14 letter (h) concerning Penitentiary states that prisoners are entitled to receive family...

Coronavirus (COVID-19), which spreads almost all over the world including Indonesia, is of great concern to the global public. In preventing the spread of virus, the government appealed to the public to work, study, worship, and even to process food process from home. The Public is required to provide...

The grilling tools commonly used today rely on square-shaped wire clamps to hold fish or chicken, placed over a combustion chamber with manual fanning, often resulting in uneven cooking or charring due to the proximity to the heat source. Additionally, manual fanning requires significant effort and time....

Youtube is a video sharing website created by Chad Hurley, Steve Chen, and Jawed Karim in February 2005. This study aims to examine the meaning of any language contained in the video podcast on Denny Sumargo’s youtube channel. This research is sourced from Denny Sumargo’s youtube channel. Research data...

This paper aimed to investigate the main reasons for gender inequity problems in the K-12 period and raise attention among schools, family and educators. This paper reviews previous work and adds comments and arguments on it. There are four major factors which can cause gender inequity in education:...

The COVID-19 outbreak has had an impact on the economy both on a macro and micro scale. One of the affected business actors is a small dairy agro-industry business in Padang Panjang City. The purpose of this training is to increase knowledge about strategies to increase income due to covid 19 for dairy...

Tabuik is a cultural event in Pariaman city which attracts thousands of tourists to witness. Hovewer, beyond its uniqueness, it has its shortages in means and infrastructures. The strategy must be done to overcome the problem. This research used qualitative approach with descriptive methods, informants...

This research aimed to study the effect of retardants concentration on the inhibition of apical shoots of rubber rootstock and analyze the relationship between the apical bud dormancy and grafting success relating to the influence of retardants. The study was conducted in the Teaching and Research Farm...

This research aimed to describethe self-compassion of street children in Medan City regarding demographic data,namely gender, age, and education. Subjects involved in this study were 300 street children, aged 12-18 years and attended both formal and non-formal education. The sample of this study was...

This paper presents the design and simulation of a three-phase grid-connected fast-charging system for a 12 V, 75 Ah Nickel-Metal Hydride (NiMH) electric vehicle (EV) battery using MATLAB/Simulink. The proposed system integrates a three-phase active rectifier, a DC-link filter, and a buck–boost DC-DC...

The majority of rural areas in Eastern Indonesia have low quality human resources and regional status, these phenomena make Eastern Indonesia appear to be far behind the Western Indonesia. Is poverty in rural Eastern Indonesia a result of these phenomena? In the pursuit of the optimal approach to reducing...

English conversation is an important lesson for Senior High School students in order to face the globalization effects. Many students considered English conversation as a controversial lesson through their positive and negative attitudes toward it. This study aimed to investigate the types of attitudes...