Search all articles

A method for the determination of acrylamide in roasted coffee by UPLC-MS/MS was established. Acrylamide was extracted with water, and clean up on a HLB and MCX SPE cartridge, separated on a C18 column using acetonitrile-0.1% formic acid as mobile phase, and then detected under multiple reaction monitoring...

This research is based on the problems of early reading ability experienced by the child and the experience of the researcher while teaching in kindergarten school which still gives less precise reading lesson, less varied learning activities, less interesting media, and less developed media usage...

The present article describes the results of the transcranial electrostimulation (TES) for the correction of blood pressure (BP) in dogs. During the experiment, systolic blood pressure (BPs), diastolic blood pressure (BPd), pulse pressure (PP), and mean blood pressure (MBP) were registered. It was established...

PT. Telekomunikasi Selular is a company engaged in the mobile telecommunications business industry in Indonesia. The company uses outsourcing employees for several positions, one of which is the administrative position to support of the company activities. The purpose of this research is to 1) analyze...

Based on the statistical analysis of coal occurrence characteristics, and dynamic phenomena of coal and rock in Qianjiaying coal mine, China, an area–local outburst early warning system based on outburst key factors and early warning indicators was constructed. Statistical analysis of anomaly features...

Infrared temperature measurement technology is widely used in the detection of surface temperature distribution of hot stamping parts. However, the accurate infrared temperature measurement for complex parts is still a problem due to the deviation of emissivity. In this study, a novel directional emissivity...

The study of wind resistance of inertial mass damper mainly relies on theoretical analysis and numerical simulation, but lacks experimental verification. For this purpose, an innovative inertial mass damper is designed, whose mechanical topological form is similar to tuned viscous mass damper (TVMD)...

Rembiga satay is a local culinary product of Lombok Island which is in high demand by tourists. The development of sate rembiga into a product with high shelf life that is practical and efficient to carry has the potential to increase the market reach. To achieve this goal, the development of rembiga...

The abuse of subsidized fertilizer that occurred in Solok Regency is not an official retailer appointed by the Government to sell the subsidized fertilizer. The act of the perpetrator violates the provisions as referred to in Article 1 of Perpu No. 21 of 1959 concerning Aggravating the Threat of Punishment...

High-precision implementation of trigonometric function has been important in navigation, engineering, physics and other modern DSP. It presents an implementation of trigonometric function based on Taylor expansion in this paper. This means can calculate the value of trigonometric function at any angle....

A novel method of extracting vanadium from molten vanadium slag was developed to process vanadium slag with high Ca and P contents. The mineral phases of the clinker obtained after oxidizing the molten vanadium slag with high Ca and P contents (10.71 wt. % V2O3, 19.20 wt. % CaO, 1.03 wt. % P2O5) were...

the research designed a survey and took a college in Nanjing as the cases to evaluate the international student satisfaction of higher education service quality. Survey results show that students are not satisfied with the overall service quality of higher education. Study finds 6 factors influencing...

In this paper, two new distributions, weibull-rayleigh and weibull-exponential of X–weibull family are introduced. The various properties of theses distributions, for example, the density functions, distribution functions, hazard rate functions, moment functions and Shannon entropy are investigated and...

Character education is an achievable effort. Some appeared problems are related to moral degradation in teenagers. As the young generation, teenagers should be prepared to face this new era. Character education plays an important role in providing a solid constituent. School, as an education institution,...

The promising purpose of wireless body area networks have brought a new paradigm in many aspects such as healthcare, lifestyle, and entertainment. One of the most popular sensors is the accelerometer which meant to monitor movements of its user. With the help of MEMS technology, an integrated chip which...

Before the COVID-19 pandemic, the development of information and communication technology had influenced the use of instructional media where teachers required to be creative in utilizing technology optimally. Therefore, this research aims to produce android-based learning media products to improve student...

Objective Based on the background of the new coronavirus pneumonia, this paper studied the problems existing in the APP of the existing township public health service, and explored the APP design strategies that can solve the problems in the existing township public health service. Methods Based on the...

Covid19 outbreak has attracted the government of Indonesia’s attention at various levels in relation to response to it. Various policies have been implemented and enforced to minimize the potential risks. The government of Aceh Province handles Covid19 outbreak seriously and has issued The Decree of...

Orthodontic treatment is a form of treatment in dentistry that serves to improve mastication, phonetics, and aesthetics. Changes that occur during orthodontic treatment can be divided into three stages: stage 1, leveling and alignment; stage 2, working; stage 3, finishing. Dentoskeletal changes due to...

Heart failure (HF) is a global pandemic that affects at least 26 million people worldwide and its prevalence continues to increase. Heart failure (HF) is a clinical syndrome caused by structural and functional defects in the myocardium resulting in impaired ventricular filling or blood ejection. Echocardiography...

The induction of artificial polyploidy has been considered a valuable tool that can improve many plants’ genetics and change their morphological, anatomical, and physiological characteristics. Artemisia cina plants’ polyploidy is induced through shoot culture to increase artemisinin content. This research...

As the primary objective, this research paper is an attempt to identify the role and then to provide remedies against the Behavioral and Attitudinal Constraints to Tourism of the local residents as the secondary objective. The study was carried out in a period of 08 weeks of September and October 2023...

The Israeli-Palestinian conflict has been escalating since October 20, 2023, when a group of Hamas fighters attacked Israeli citizens. In this paper, we use a descriptive model with data collection techniques by searching for literature and related documents. Data analysis in this study...

In this study, the consonance observed in the lyrical genre are considered as expressions of art and are highlighted in different ways. The coverage of this issue on the basis of the works of the well-known Azerbaijani writer H. Arif is of particular relevance. The main purpose of the research is to...

The potential for sand in Indonesia is very abundant because Indonesia has a long coastline than other countries. This research was conducted to explore the potential of beach sand as an alternative raw material to replace commercial silica. To obtain the natural silica, the beach sand was prepared and...

In the past three years, the world has been plagued by epidemics, and achieving face-to-face teaching between teachers and students has become a common problem. More and more classes are moving online. The rapid development of technology and the further spread of electronic products has laid the foundation...

Ecological economy as a formal field of study began to develop in the second half of the 20th century, gaining momentum as environmental concerns and the limitations of traditional economic models became more apparent. Growing interest in topics such as ecological economy, sustainable development, and...

As digital technologies reshape the way money and payments function, central bank digital currencies (CBDCs) have become a pressing topic in legal and policy circles. In the Australian context, the development of CBDC brings into focus the state’s role in managing the evolution of public money amid a...

Changes in land cover affect the increasing surface temperatures. Built-up land ensued by regional development is the cause of increasing surface temperatures in urban and triggering climate change. One of the reasons is urbanization which leads land cover to change, thus the population density in Madiun...

Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM) and X-Ray Diffraction(XRD)were employed to investigate the influence of heat treatment conditions on microstructure and mechanical properties of a new high strength TB17 titanium alloy at aging temperature from 530øC to 620øC....

Mangroves have an ability in environmental conditions, i.e., in the sediment, and organs. This research was carried out to assess the Pb absorption rate (sediment and mangrove parts of R. apiculata) in the eastern coast of Asahan, North Sumatra. The results showed that Pb content increased in the sediment,...

This study aims to examine the effect of security, risk, and ease of use on the decision to use the flip application on students on campus in the Semarang city. the sample of this study were students who used the flip application. the sample was calculated using the lemeshow formula. The population of...

In wet sulphuric acid plants, the economic analysis of replacing NaOH with H2O2 as an absorbent in scrubber systems explores the potential cost savings and operational benefits. The primary motivation for this change is the generation of H2SO4 of the reaction between H2O2 and SO2 that can be reintegrated...

Coastal buildings and infrastructure, especially piers or barges, definitely interact with sea water which has salinity, this will affect the physical and mechanical properties of ferrocement which will affect the life use of the building. So it is necessary to conduct research on the influence of the...

The right to privacy and data protection is a fundamental human right, yet transgender inmates in Indian prisons face significant violations of these rights. This study examines the legal and human rights implications of data protection and privacy concerns for transgender individuals in the prison system....

Recognizing the "opinion leaders" in advance is a new requirement in the context of social network. "From back to front" approaches do not conform to the transmission and evolution of development process of hot events. To address this problem, this paper proposes the concept of "potential opinion leaders",...

Bandung is known as a culinary city mainly by domestic tourists from Jakarta. The negative impact of the visit was an increased volume of garbage around 100 -200 tons / weekends. In addition, about 75% of garbage derived from styrofoam food packaging and drink plastic bottles. In order to face the problem...

Mastery of language literacy is crucial basic skills needed for students to ensure they can face the era of the Industrial Revolution 4.0. This study aims to explore the challenges faced by school administrators in teaching and learning process for the students who is weak in Malay Literacy in primary...

The amount of non-organic waste produced daily by households such as plastic bags, food wraps, straws, cigarette butts and styrofoam. All of these items will not be destroyed in the soil in a short period of time because it can take decades and even hundreds of years to decompose by microbes in the soil,...

Nowadays, EFL teachers continually strive to improve their efforts to provide learners with multimodal resources in the classroom due to the rapid development of the digital era in the language learning environment. Digital Multimodal Composing (DMC) has been proposed to be an engaging tool in language...

The results of the Quacquarelli Symonds World University Rankings 2023, released in June 2022, placed the Universitas Sebelas Maret (UNS) in 1201-1400 worldwide. UNS cannot join the ranks of the 500 most prominent universities in the world due to the low proportion of international students, below 1%....

This study’s objective is to examine the factors that increase the risk of stunting in children under two in Palu City with analytical cross-sectional, targeting children aged 6 to 23 months of 270 infants and children under two years selected through cluster simple random sampling and took place between...

Global efforts to achieve the Sustainable Development Goals (SDGs) have resulted in a shift in business trends that focus on sustainability issues. Environmental, Social, and Governance (ESG) is one of the principles or business practices that can support the sustainability of a company. This study aims...

Poly(L-lactide-co-morpholine-2,5-dione) (PLAMD) was synthesized via ring-opening polymerization (ROP) of morpholine-2,5-dione and L-lactide using stannous octoate as initiator. Poly(L-lactide-co-morpholine-2,5-dione) was characterized by means of 1H NMR, FTIR spectrum and gel permeation chromatography...

In this paper, the separation process of ethylenediamine-water azeotropic mixture is investigated with Aspen Plus software. The sim- ulation results show that the extractive disti- llation column includes 26 theoretical plates, the D/F of azeotropic distillation column is 0.18, the feed location of azeotropic...

A 220t/h circulating fluidized bed boiler is selected as a research object, the heat loss of the circulating fluidized bed boiler is studied by numerical simulation while the three major parts including the furnace body of the circulating fluidized bed boiler ,cyclone separator and rear smoke channel...

This study aims to find out (1) how effective is the student field, (2) how is the effectiveness of the curriculum field, (3) how is the effectiveness of the field of public relations, and (5) how is the effectiveness of the field of administration and staffing in the implementation of ISO 9001: 2008...

The purpose of this paper is to investigate the job satisfaction of preschool teachers in Heilongjiang Province, and to provide reference for improving the job satisfaction of preschool teachers in Heilongjiang Province. A questionnaire on job satisfaction of preschool teachers in Heilongjiang Province,...

This article describes science process skills in elementary schools, especially curriculum 2013 in Indonesia. The method of this research is a literature review, which collects and analyzes the literature in the form previous research by using descriptive analysis based on variable regression. The results...

This study aims at determining the effect of scientific approach to the activity and learning outcomes of fourth graders of elementary school in Hang Tuah 6 Surabaya. This research was conducted using quantitative approach with experimental research and pretest-posttest design. The subject of the study...