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The occurrences of gemstones was first recorded in Zambia (Luanshya) in 1928 about 85 years ago. Gemstone is naturally formed minerals (rocks) namely, emerald, diamond, pearl, tanzanite, and many more, numbering over 250. These are highly priced due to their beautiful colours and their use in jewellery,...

On the issue of food safety regulation, the government will undoubtedly play a central role, which is also the requirement of the administrative law for the government. Principle of administrative law is one of the basic principles of substantive administrative law, which requires government activities...

With the growing global population, there is an increasing rate of human contact. In particular, we often find that many public restroom users collect water with cupped hands to pour on the faucet switch after washing their hands due to their suspicions about the lack of hygiene. This study redefined...

In this study, we report the activation energy of the optical self-oscillation for a polymer chain that consisted of N-isopropylacrylamide (NIPAAm) (25 wt%), the Ru catalyst (5 wt%) of the Belouzov-Zhabotinsky (BZ) reaction, and acrylamide-2-methylpropanesulfonic acid (AMPS) (75 wt%). The AMPS moiety...

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...

The braking energy recovery system of electric vehicle is worthy to be further discussed due to the improvement of both the energy efficiency and the endurance capacity. In this paper, the structural and the principle of the energy regenerative system for electric vehicles are discussed. The comparisons...

The use ofWLAN (Wireless Local Area Networks)for indoor localization is an important content in the field of mobile Internet, usually based on the Received Signal Strength(RSS) and the fingerprinting algorithms. Due to the characteristics of the RSS, environmental factors have great influence on the...

In modern conditions of transformation of the social and political interaction forms between the population and the authorities, as well as due to the growing influence of new network practices of social communication in society, the innovative projects growth, it is necessary to turn researcher view...

Plastic has become worldwide issues due to the discarded debris and several environmental problems. Anti-plastic campaigns have been carried out in various countries. Such campaign has also been promoted in several cities in Indonesia. Among Indonesia cities, Bandung has been implementing the Regional...

Jatingaleh Underpass is designed to solve congestion problem and reduce the rates at which accidents occur at intersections due to conflicts, but bottleneck can affect traffic performance. This study aims to determine in traffic movements, traffic performance after the existence of Underpass based on...

Nation branding has remained both a heated topic and an international tendency over years. As an endeavor to promote the international image and reputation of a country, nation branding is a multifaceted cause involving a host of domestic stakeholders, among which the higher education institutions play...

In West Borneo, of the fourteen sultanates that one existed, Sambas was the most dynamic Malay kingdom in its intellectual history. Sambas was once known as the "Terrace of Mecca" in West Kalimantan. It was due to the fact that this area has many scholars who once lived and studied for years in the Holy...

The outcome of blouse making in SMK Tarunatama is not optimum since the teaching still uses the classical conventional learning method. The researchers propose a project-based learning model to teach students how to make blouses, specifically for the XI grade students in SMK Tarunatama. The population...

Settlement and housing development is the main activity in arranging the spatial layout of Palangkaraya, focusing mainly on the small-type house like type-36. Most of the type-36 housings planned by the developer are on peatland. Indonesia’s Public Housing Minister states that the type-36 house is appropriate...

Learning of Physical Education in schools is often faced with the availability of facilities that are not adequate. From the observation of some schools, the majority of schools do not have adequate facilities and space to be able to do with a good physical education. This causes physical education process...

The problem in this research is the lack of free-throw shooting capability of high school students at the Laboratory Development at Padang State University, which is allegedly due to the lack of students’ intellectual intelligence. The purpose of this study is to look at the relationship of the level...

Manado is the capital of North Sulawesi province, a city with a predominantly Christian community. As an area that emphasizes the spirit of kinship with its regional philosophy “we are brethren” (torang samua basudara), has had an impact on the recognition of this area as a high tolerance area of religion....

This research aims to describe the characteristics of biology test items in the test instrument of USBN (National Standard School Examination) through test items analysis to check of reliability estimation, difficulty level, and item discrimination, as well as to identify items that have a high level...

Basically the need for water will increase along with the increase in population. The problems experienced in the North Benteng area which is included in the Bonto Saile watershed are experiencing flooding due to overflowing of river water in the Bonto Saile watershed and some places are submerged due...

Carbon capture and storage (CCS) plays an important role in mitigating carbon dioxide emissions from industrial sources. The main issue in implementing CCS is its economy due to the high investment and operating costs. To overcome the economic issue, the carbon capture and utilization (CCU) provides...

We apply the Lie-group formalism and the nonclassical method due to Bluman and Cole to deduce symmetries of the generalized Boussinesq equation, which has the classical Boussinesq equation as an special case. We study the class of functions f(u) for which this equation admit either the classical or the...

The purpose of this paper is to consider q-Euler numbers and polynomials which are q-extensions of ordinary Euler numbers and polynomials by the computations of the p-adic q-integrals due to T. Kim, cf. [1, 3, 6, 12], and to derive the "complete sums for q-Euler polynomials" which are evaluated by using...

The course taken by Ukraine for European integration, NATO membership and cooperation with employees of the world security institutions in today’s environment requires the language competence development in officers of the system of the Ministry of Internal Affairs in the process of distance learning....

The pandemic of COVID-19 has changed many aspects of life across the globe including in Indonesia. In order to prevent the spread of COVID-19 the president of Indonesia announced national distancing rule and encouraged citizen to work and study at home. Universities have changed the learning system into...

In this paper, we conduct research on the novel weighted fuzzy clustering algorithm based on fuzzy sets and rough set theory. Due to the large scale of data, in order to improve the efficiency of the clustering, we can use the attribute selection and data sampling to reduce the data size. We combine...

A refrigeration system achieves its refrigeration function generally through cryogenic refrigerant generated by multiple refrigerant compressor units. Traditionally, the operation of refrigerant compressor units is controlled only by experience or the proportional-integral-derivative controller of refrigerant...

It has been well established that change in emotion state is associated with the change in physiological signals. This paper aimed to investigate the differences of finger photoplethysmography (PPG) morphological features and feature time series between happiness and sadness emotion states. Fifty-three...

The purpose of heat treatment will be to modify the structure of material and relieve the stresses set up in the material. Rejection of Gears is susceptible, after heat treatment process, due to excess distortion. This leads to risk of getting PCD Runout fired owing to its chronicle failure. Analysis...

Currently, with the development of digital management in companies, negative trends are increasing due to the lack of new tools to identify critical deviations that reduce business efficiency. Overcoming this negative trend in practice is carried out by creating an effective risk management system. The...

The change in every phase of plant growth can be seen from the growth of plant organ every week. Cutting materials used can influence the growth phase in different light environmental conditions. The research aimed to find out light intensities and part of stem cuttings influencing the change in growth...

Every unwitnessed death should be suspected as unnatural death, mainly if the body was found in unusual conditions. When the investigator found an unnatural death case, the investigator will ask for the help of a forensic pathologist to examine the deceased and to determine the cause of death and the...

The article examines the basic principles of language perception, thinking and socialization of deaf people and outlines the range of problems of learning and the social role of sign language. The sociological aspect of linguistic thinking is considered in connection with the meaning of the sign language...

This study aims to analyze the effect of coaching, supervision, and work motivation on the competence of Sailing Vocational Teachers in Indonesia. In addition to knowing whether there is a good relationship between each variable directly. This research uses a quantitative method with a path analysis...

Violence in the home (domestic violence) in the provisions of law in Indonesia is a crime with the threat of criminal law as it results in pain and physical and mental suffering to the victim. In a broader dimension, acts of domestic violence are a serious violation of human dignity according to the...

Language plays a vital role in political speech as it comes in a form of argument shaping and speech presenting which often contain a set of beliefs called ideology. It gets even more crucial when the speech is delivered as a presidential victory speech from developed countries such as the USA. Hence,...

Facing emerging-economic market, that shifting local culture to urban culture and civilisation. For some regions, such as Biak, Papua where the indigenous people still highly uphold the concepts of kinship and tribal. The diversity of human mobility and environmental change have emerged to resistance...

Several SMEs in DIY, especially those engaged in the industrial sector, went bankrupt due to the Covid-19 pandemic which had lasted for two years. One of the causes of SMEs going bankrupt is because they ignore the contingency or uncertainty factor that can affect organizational performance. This study...

This study aims to determine students’ learning motivation and identify problems of students who experience decreased motivation. This research is a case study using qualitative data analysis based on the phenomenological-interpretive paradigm of postpositivism. Data collection techniques in this study...

The 2017 Global Burden of Diseases, Injuries, and Risk Factors Study identifies a notable rise in cardiovascular disease-related deaths, particularly in coronary heart disease (CHD). Despite advancements in surgical interventions reducing mortality, effective self-management strategies are essential...

Moringa oleifera Lam. (Drumstick tree) is a herbal plant commonly found in subtropical and tropical areas such as Indonesia. Moringa plants have been widely used because they have many pharmacological effects. In addition, due to the high consumption of Moringa, there still needs to be monitoring regarding...

Computational systems that deal with discrete time, such as stream computations and synchronous data flow languages, can be modeled using lists. However, most list operations are on finite lists, and it is not easy to define them for infinite lists to express persistent behavior. In particular, when...

Due to the similarity and overlap of concepts, the obligation of appropriateness and the obligation to inform are often vaguely defined, and the judgment is easy to be imprecise in judicial practice, which seriously affects the credibility of the judiciary and the protection of the rights and interests...

This study investigates the impact of freedom and economic growth on happiness across 16 APEC member countries from 2012 to 2021, using a Panel ARDL model. The key variables include economic, democratic, and personal freedoms, along with GDP per capita. Results indicate that all three types of freedom...

Blastocystis, a common intestinal protozoan, has garnered significant attention over the past two decades due to its controversial role as an opportunistic pathogen. This study will to examine the trend of Blastocystis infection, specifically as an opportunistic infection, through a comprehensive bibliometric...

This research aims to explore the batik market’s response and obstacles based on consumers’ basic preferences or motives in purchasing batik products. The data used is primary data, namely the responses from research informants regarding the market response for batik products. Data was collected through...

AI models have been widely used as recommender systems in domains such as nutrition, medicine, health status prediction and physical activity. However, their application to drug recommendation is limited due to the complex nature of the medical data stored in Electronic Health Records (EHRs). Existing...

The increase in population growth rate has a significant impact on increasing society demand. Various social problems emerged, especially the movement of people from one city to another. As a result, inter-city accessibility has become a social problem that has a significant impact on people’s movements...

The emergence of cultural resilience in the menus of the popular global fast-food chains of KFC and Starbucks from the view of an American visiting Indonesia, and vice versa, an Indonesian visiting in America is interesting to report. Utilizing CPAT (Cultural-Perception-Adaptation Theory) as a conceptual...

Clay roof tiles remain extensively used in buildings throughout Indonesia, with a substantial portion produced informally in local production centers in Central Java, including in Desa Logede. However, issues arise as these locally produced roof tiles often deviate from established standards in terms...

This paper discusses the ways that food memoirs, written frequently at the margins of official historical narrative, provide a powerful site of narrative resistance. By recalling through meal memory, kitchens, and family routines, these works subtly evoke lives characterized by subordination, conflict,...