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The decrease in generation costs of renewable energy, combined with advances in electrolyser technologies, suggest that green hydrogen production may be a viable option in the ongoing energy transition. Yet, a green hydrogen economy requires not only production solutions but also storage options, which...

Yawning is an important prehistorical physiological mechanism that exist in animals across a variety of species. In the past 50 years, investigation of spontaneous yawning and contagious yawning has been ongoing. Several hypotheses were introduced to this field, such as the circadian hypothesis, brain-cooling...

Studies have generally shown a positive association between socioeconomic status (SES) and obesity in low-income countries, but few have tested this relationship in the Middle East where obesity prevalence is extraordinarily high and the nutrition profile more closely resembles developed world contexts....

The current use of the gelam tree is only found in wood processing. On the other hand, gelam bark is not optimally utilized so as to produce unused bark waste even though the natural fiber of gelam bark is of high economic value. The purpose of this study was to determine the effect of volume variations...

The Indonesian government’s strategy to deal with the drastic decline in the Indonesian economy is to increase investment and domestic consumption. One of government’s modes to increase investment is that the government and Indonesian House of Representatives approve establishment of omnibus law, namely...

In this paper, we conduct research on the applications of parallel genetic algorithm and optimization theory in the enhancement of network security. As the using range of the world's biggest information network, the Internet itself agreement the openness of great convenience to all kinds of computer...

This research aimed to study the financial feasibility in the Trigona sp honey bee business in Banten Province, by calculating the Net Present Value (NPV), the Net Benefit Cost Ratio (Net B/C), the Internal Rate of Return (IRR), and the Payback Period (PP) from the Trigona sp honey beekeepers in Banten...

Purpose: lauromacrogol sclerotherapy was implemented through ultrasound-guided puncture of thyroid cyst for discussing the therapeutic effect to lauromacrogol hardening thyroid cyst. Method: 50 patients accepting thyroid cyst puncture sclerotherapy in ultrasonography department of our hospital were selected,...

This research has been started by testing the values of important batak culture and supporting variables of cultural learning process such as opennes, and cognitive flexibility towards increasing intercultural sensitivity among Batak students (Batak Toba, Batak Mandailing, Batak Karo, and Batak Simalungun...

Padang city is located in a disaster-prone area. The earthquake that hit the city of Padang on September 30, 2009, recorded 383 people who died due to the quake. Since then, the local government strives to reduce the death rate during a disaster by providing disaster information to the public. This study...

Engaging with online learning materials and resources have been common activities undertaken by undergraduate students in discovering knowledge and in particular situation, assisting them doing their assignments. However, there are some problems emerged during this process so that it cannot reach the...

With the rapid development of China’s economy, the size of China’s high net worth population is large and maintaining high growth, and the total number of high net worth people continues to increase. Private banking has become an integral part of the banking business, and the main needs of HNWI wealth...

Achieving flexibility through energy storage will be a key element in the transition to a low carbon energy grid. Decision making around investment in energy storage assets is a challenging task, and is typically reliant upon evaluating the expected performance of the planned asset on the basis of a...

The study compared students’ reading comprehension and English vocabulary before and after instruction using two different instructional strategies: the original semantic mapping strategy and the semantic mapping strategy in conjunction with collaborative learning. The study involved two groups, one...

In order to quantify the fusion behavior of new and old asphalt during the hot recycling process, and to detect the degree of fusion of blended asphalt in different reclaimed asphalt pavement, this paper designs an experimental method to measure the fusion degree of new and old asphalt during the hot...

Apart from having a positive impact on people’s welfare, tourism in Bali also harms ecosystem sustainability, especially regarding the issue of the groundwater crisis. The increase number of tourists is of course accompanied by an increase in the need for clean water. PDAM is only able to meet around...

This study examined the effect of an interactive-based instructional approach on the science performance of Grade 6 learners at Batuan Elementary School. A quasi-experimental, non-equivalent control group pretest–posttest design was employed involving 50 learners divided into control (n = 25) and experimental...

The SARS-CoV-2 virus as the cause of COVID-19 has been declared a pandemic since March 2020. The clinical signs of COVID-19 are heterogeneous, such as 20–51% of patients were accounted have at least one comorbidity, with diabetes melitus (10–20%), hypertension (10–15%) and other cardiovascular and cerebrovascular...

Translation is a complicated activity for students to do individually. They face many linguistic and cultural problems alone, so their products of translation are poor grammatically, lexically, and mechanically. Through this research I surveyed their response and described how their opinions on the application...

Atherosclerosis was considered the main cause of abdominal aorta aneurysms. Many researchers suggest the presence of the association between these two entities. The aim of this paper was to evaluate the presence of atherosclerosis in the aorta and the arteries of the lower extremities, as well as stenoses...

This article has proposed an accident evolution model of coal and gas outburst on the basis of fuzzy production rules, because the coal and gas outburst accident has the characteristic of fuzziness and uncertainty. Firstly, adverse searching method is used to reduce the initial model so as to decrease...

Learning model are useful for helping students to learn and to provide an environment for interactive students experiences. Therefore, learning model has a strategic role especially for the achievement of entrepreneurial character building in students. Furthermore, the challenges that occur in the internalization...

Introduction Head and neck cancer is the 8th with the highest mortality rate and a low 5-year survival rate of 40-50%. In patients who experience recurrence or metastases, especially in nasopharyngeal cancer and are HPV-positive, first-line immunotherapy can be performed through immune...

This paper uses discrete events modeling to apron surface activity control problem. Through dispersing runway taxiway and apron, discrete element map to Petri net basic element, build surface activity model based on Petri net. The paper build model of apron activity by Petri net theory, use Cpntools...

The responsibility of employees and the public towards corporations and vice versa (Corporate Social Responsibility - CSR) is preventing such scandals as Dieselgate, Huawei, Boeing or burned rain forests for growing oil palms for biofuels in media and court procedures. Surprisingly, no article about...

In order to study the application of roof directional drilling in thick coal seam gas control, and compare the input of roof directional drilling and roof high suction roadway, the roof directional long hole gas extraction test was carried out in Jincheng mining area. After the completion of the construction...

Few studies evaluated cardiac or carotid abnormalities in patients with arterial hypertension and diabetes according to the presence of peripheral artery disease detected by abnormal ankle brachial index (ABI). For this purpose, we studied 99 diabetic hypertensive patients with abnormal (n=50, ABI≤0.9...

The study aimed to determine the aerobic endurance (Vo2Max) of PJKR Department students at SD FIKK UNM, with a sample size of 25 male students. The survey method was employed, and the “Bleep Test” over a 20-m distance was used as the instrument. The results showed a total Vo2Max value of 879.60 ml/kg/min,...

X-type-slag is rich in Fe2O3 so that it can absorb microwave and generate heat easily. By replacing some sand with X-type-slag, cement concrete can improve the function of removing ice with microwave. The feasibility has been verified through specimens experiments tested in lab. The results show: while...

LiNi0.8Co0.1Mn0.1O2 powders were synthesized from co-precipitated spherical metal hydroxide, Ni0.8Mn0.1Co0.1(OH)2. The effects of the complexant (NH4OH) concentration in base solution on the microstructure, crystalline structure and electrochemical properties of the product were studied. The results...

Losses due to parasitic infections, especially worms in livestock in Indonesia are very large. Helminthiasis is a disease in beef cattle which is common in traditional farms. This study aims to use a cost-benefit analysis for two scenarios in handling helminthiasis (coccidiosis), namely Program A (controlling...

The prevalence of diabetes mellitus increases as someone grows older. This increase is related to changes in lifestyle, including smoking, alcohol consumption, physical activity, eating patterns that lacks of vegetables and fruits, obesity, hypertension, and hypercholesterolemia. This study aims to determine...

This research was conducted to determine the panelists’ acceptance of 3 pandanus amaryllifolius extracts and eucheuma spinossum. Formula hair tonic extracts pandanus amaryllifolius and eucheuma spinossum consist of PG helm, Aquades, Alcohol 96%, methyl paraben, menthol, D-Phantenol, armotan, pandanus...

Fats are a group of organic bonds consisting of elements Carbon (C), Hydrogen (H) and Oxygen (O2), which have soluble properties in certain solvents (fat solvents) such as petroleum benzene, ether. Flexibility is the effectiveness of a person in adjusting himself to do all the activities of the body...

The purpose of this study was to determine the effect of micro and macro role playing methods and children’s self-concept on social abilities of children aged 5-6 years at An Nisa Kindergarten Medan. This research was conducted at An-Nisa Kindergarten in Medan on Jalan No. 18 Medan in the odd semester...

Coronavirus Disease 2019 (COVID-19) is a respiratory disease caused by Severe Acute Respiratory Syndrome Coronavirus-2 (SARS CoV-2). Anyone could have asymptomatic to severe symptoms. Radiological examinations, such as X-rays and CT-Scans, are needed. CT- Scan thorax is an examination to assess the progression,...

Throughout 2018 and 2022, the COVID-19 pandemic significantly affected several industry sectors on the Indonesia Stock Exchange (IDX). This paper examines the operational effectiveness of three crucial industries—tourism, food, and transportation logistics—during the epidemic. The analysis's findings...

Abstract. Objective: To observe and analyze the application value in clinical diagnosis of the diabetes patients with blood lipid inspection. Methods: From June 2013 to June 2014 we select 50 patients with diabetes and 50 healthy people in physical examination as the research object, they can be divided...

Photonic jet is a localized sub-wavelength beam generated at the shadow-side surfaces of microscale dielectric cylinders or spheres, when they are illuminated by an electromagnetic wave. We demonstrate the potential of the photonic jets for micro-etching using a nanosecond Near-IR laser (l=1064 nm) that...

Identify the study of character values in the meaning of Yogyakarta batik motifs and describe the implementation of character values through the Yogyakarta batik vocational school. This type of research is qualitative research and Research and Development (R and D). The subject of the product trial was...

The Sports School is a school that facilitates student athletes to focus on practicing sports and achieve achievements in sports but also get formal education at the School. So that students will undergo many activities and must also be good at managing the time between exercise and learning education...

The reduction of obesity is possible through the use of exercise. It can also be used as a treatment in improving health status. Obese people have higher levels of Low-density lipoprotein/LDL cholesterol, which has the probability of leading to risk of degenerative diseases such as hypertension, stroke...

The study of entitled “Doctor-Patient of Communication Activities and Model in Free Consultation of Orthopedic Hospital Prof. Dr. R. Soeharso Surakarta” aims to find out how the effectiveness of doctor-patient communication by digging information in the implementation of free consultation on activities...

Taxes are important for a State and company. Both have a common interest in taxes. For the State tax is a source of State income, so there is an effort to maximize tax revenue. For the company, the tax is a net income deduction. Therefore, companies frequently use earnings management to control the reporting...

Introducing a wavelet neural network model (WNNM) at a route maintenance stage to predict the position of nodes in ad hoc networks, a new weighted clustering algorithm (WCA) is presented. Using the nodes’ position information from GPS, this algorithm predicts the position of nodes at next time by WNNM,...

This study discusses the effect of firm size, leverage, profitability, liquidity, and audit quality on going concern audit opinions. The sample of this study was obtained using a purposive sampling method with a focus on manufacturing companies listed on the Indonesia Stock Exchange for the 2018-2020...

Objective: Situational teaching method with PBL is applied in the clinical teaching of patients with ectopic pregnancy. Its clinical curative effect is discussed and analyzed. Methods: A total of 100 nursing students in our hospital were randomly assigned to two groups: the observation group and the...

Local anesthetics are very commonly used in dental extraction procedures. Local anesthetics are performed to relieve pain locally in an anesthetic region for a short period. Lidocaine is one type of local anaesthesia that is often used in the field of dentistry. Infiltration anaesthesia is the most common...

Violation of parking is a legal term. Our country’s law stipulates that there should be no-stop signs and markings, road sections with isolation facilities between motor vehicles and non-motor vehicle lanes and sidewalks, and crosswalks and construction sites. No parking; Railway crossings, sharp bends,...

The purpose of this research is to measure and to analyze the impact of financial ratios to companies’ stock price, while using macroeconomics variable as control variable. The financial ratios used in this research are: price earnings ratio, price to book value, net profit margin and return on equity....