Search all articles

This is a development research of a learning source based on APOS theory. The role of APOS theory is to facilitate framework constructions of an action, process, object, and scheme. This research aims to evaluate the existence of the learning material based on APOS theory and tests its validity and practicability...

Studying abroad exposes Chinese students to diverse cultural environments. Acculturation refers to adjusting individuals to distinct cultural patterns, meanings, and values, considering aspects such as language, culture, and background. Increasing numbers of Chinese students prefer to study overseas...

The Constitution of the Russian Federation guarantees every citizen the right to work. Article 37 of the Basic Law proclaims: “everyone has the right to freely dispose of his abilities to work, to choose his occupation and profession, forced labor is prohibited.” The list of labor rights defined by the...

The Russian Federation was faced with a conscious need to make a breakthrough in technological development and in the field of information development of society and, in particular, artificial intelligence. It is discussed how effective digital public management will be, as well as the legal aspects...

In line with global issues related to the environment, the Ministry of Environment and Forestry aims to achieve a Zero Waste to Landfill policy by the year 2030. In order to achieve this target, the government requires support from various parties, including the central and local government sectors,...

Many researchers have contributed much to asset pricing theory and continuously try to find the best model to capture stock average return. The CAPM model and Fama-French 3-factor model, Fama-French 5-factor model is another way to capture the return rates and their changes. At the beginning of 2020,...

Portfolio investment is the core of all kinds of investment activities in the financial market, is an investment decision under uncertain conditions, is an important branch of the economic field. The portfolio is a common way to avoid risk. A portfolio is generally considered to be a combination of bank...

The ordering and transportation of raw materials is a crucial process for enterprises to produce and receive receivables, so it is necessary to study this process pertinently. This paper studies the ordering and transportation of raw materials in production enterprises. The problem of ordering and transportation...

Livestream shopping was first introduced in 2016 and become a novel industry worth more than billions of dollars in just 5 years. This rapid development is contributed by the rising number of live hosts joining the industry and the active customers who would be spending more on stock up and leisure goods....

Covid-19 is the most widespread and devastating pandemic since the 20th century, which profoundly impacted the industries and the stock market, especially the service-related industries and stocks in the U.S. This paper aims to study the epidemic’s impact on service-related industries in the U.S. and...

Attention-deficit hyperactivity disorder (ADHD) belongs to the category of neurodevelopmental disorders. The morbidity among worldwide school-aged children is 5%, and 30% to 50% of it would continue to be influenced by the subsequent syndrome. The importance of exploring ADHD is very obvious and vital:...

In the 2-d numerical simulation of flash flood disaster, due to flood often occurred in the steep terrain and water flow rapidly changed, lead to that the calculated value is unstable and even the calculation diverge in the simulation. This paper presents a grid outflow correction method, which is based...

Queensland government tried to innovate and improve the payroll system, but there were many loopholes in the operation of the project. In fact, from 2015 to 2020, about a quarter of the state’s public health workers have to bear outstanding debts due to the Queensland Government’s overpayment of about...

This article analyses the industry indexes in the U.S and Chinese stock market during COVID-19 to research the impact of COVID-19 on different industries in the U.S. and China. The data was collected based on the industry indexes during four selected periods of COVID-19. We analyzed the difference in...

The hedge fund market, stock market and bond market all have high risks. The purpose of our project is to build the optimal risky portfolio consisting of ten different strategies (which includes Arbitrage, CTA/Managed Futures etc.) to diversify risk and gain a high return, and we also conducted a 5-fold...

When investors face investing problems, the main issue is to make decisions on how to allocate resources among the variety of different assets, especially in the rapidly growing stock market.The paper aims to design an investment strategy for risk-averse investors. We use modern portfolio theory and...

The purpose of writing this article is to use appropriate data analysis tool to do research on 2 important factors about the mobile banking services, which are the richness of functions and the users’ satisfactions. To study that, we first looked up several related academic papers and most of them are...

The estimate methods of evapotranspiration was studied in several methods including field measurement, instrument measurement and Penman - Monteith formula. There are slight differences between the results calculated by the 3 methods. As a traditional method, field measurement has high credibility. By...

Comparators are essential in analog and mixed signal applications because they compare inputs and provide the appropriate output. In this paper various comparator types of open loop, dynamic latch, preamplifier latch, and hysteresis comparator are compared using CMOS and FinFET technology. Analyzing...

Low Density Parity Check code is more and more taken seriously in high-speed transmission. In this article we represent a LDPC coder and decoder which based on IEEE802.16e and realize the coder and decoder with Virtex-5 FPGA. By using Matlab to make an off-line system simulation, we analyzed and compared...

Segmentation is generally an important prior process to automatic analysis of heart sounds. The proposed algorithm achieved this in separated cycles. First, the cyclostationary envelopes of heart sound signals are calculated. Second, a threshold is chosen to separate S1 and S2. The segmentation is automatic,...

The COVID-19 pandemic has impacted the lives of many people around the globe. Apart from the health issues, among other groups, refugee children are exceptionally impacted on their right of education and the population of refugee children increased in recent years. When those two situations happened...

The momentum factor was added to the four-factor model as an indicator based on the three-factor model. Fama-French also added RMW and CMA, two factors representing the company’s profitability and investment level, to obtain the five-factor model on the basis of the original three-factor model. Obviously,...

The Covid-19 pandemic has made students of the State University of Malang (UM) learn using digital media. The mandatory digital media used is the SIPEJAR MOBILE learning application. State University of Malang (UM) is among the best universities in the implementation of online learning according to the...

The general purpose of this study is to determine the value of communicative character education in the book of elementary school students in grade 2 theme 1 subtheme 1 living in harmony. The purpose of research in this article is twofold, namely 1) describing the content of the value of communicative...

The aim of this research is to describe how Universitas Muhammadiyah Surakarta students perception about online learning. A quantitative descriptive analytic approach is used in this study. An 18-item questionnaire survey with four variables was employed in the investigation. 80 Accounting Education...

It is designed a pair of 5 m whip antenna for antenna arrays, the integrated use of a centralized method of loading and top loading, which is reducing the sensitivity of the antenna impedance versus frequency and using the moment method and genetic algorithm to load the network number so that the location...

The purpose this paper to examine the inculcation the character of responsibility and self-confidence through drumband extracurriculars in elementary schools. This type of research is a descriptive research with qualitative approach. The research subjects were 5 participants, consisting of the principal,...

Categorical thinking is the underlying capability of information technology. In order to get more understand the development of children categorization ability, two experiments were employed in this research. 60 children (30 boys, 30 girls) joined the experiment, there are 20 children for each age group(3-4...

This research was conducted in urban and rural areas of Klaten Regency. This study aimed to analyze the spatial thinking skills of junior high school students in urban and rural areas in the Klaten Regency and to determine the differences in the spatial thinking abilities of students in urban and rural...

This study aims to describe language politeness principles in Film Layangan Putus, especially (1) forms of compliance to politeness principles, (2) forms of violations, and (3) implementation as drama text teaching material. The object of this descriptive qualitative study was utterances containing element...

The China National Arts Fund (CNAF) was founed in 2013 and aims to support arts development, promote personnel training in the sectors of art and literature, and adverstize the excellent art works to the public. Although nearly 10 years (including preparation stage) has passed and thousands of art works,...

Pekalongan City is one of the cities where filariasis is endemic with an mf-rate > 1%. SFrom 2004 to 2017 the number of clinical or positive cases containing microfilariae was 417 people, while 40 people were chronic..In 2018, 6 people were found to be infected with microfilariae aged less than 12 years...

In 27 B.C., Gaius Octavian, through his clever political means, declared that he would restore the republican system and establish the Roman Empire. Rome’s expansion turned the Mediterranean Sea into an inner lake. Its territory, constituted of all its colonies, formed an ellipse around the Mediterranean....

This study aims to analyze: (1) variations of topics in scientific writing of class XI students of Madrasah Aliyah (MA) Nurul Islam Tengaran and (2) the value of religious character in scientific writing of Class XI students of MA Nurul Islam Tengaran. This research is a type of qualitative research...

Commercial banks play an important role in China’s financial system. However, financial disintermediation has a significant impact on the traditional credit business of commercial banks. The scale of commercial banks’ capital stock has been gradually diverted from the source, causing a certain impact...

This study aimed to find out the target hate speech and to identify the impoliteness strategy and the function of the impoliteness that netizen used to delivery the hate speech in comment section of Clara Dao’s shorts video. The method used in this research is decriptive qualitative research using content...

Residential real estate takes the largest part of asset market in the United States. This study investigates how changes in macroeconomic variables affect changes in housing prices, using time series data from 191 observation samples in the United States over the past 15 years. The dataset was collected...

Pattern foster even not enough seep in environment house. Whereas, children more many use up time play in house than in school. Lots child which can feel lack of attention and love Dear from person old because still many person old which busy with her job in outside house and no notice his son. Child...

Persistent depressive disorder (PDD) is a new classification in the DSM-5 that includes dysthymia, chronic major depressive disorder, recurrent major depressive disorder, and dual depression. Although a new concept, PDD is already a common mood disorder. However, information about the disease is limited....

This paper investigates the predictive return power of three asset pricing models during market turmoil: the CAPM, Fama-French 5 factor model, and q-factor model. We select two periods of market downturns: the 2008 financial crisis and the 2020 Covid period. The models are trained before these two periods...

In recent years, with the acceleration of social rhythm and the increase of various kinds of pressure, the incidence rate of anxiety disorder is increasing, which seriously affects people’s quality of life. In this thesis, we studied the causes of several major anxiety disorders: generalized anxiety...

Over the past decade, the total amount of Foreign Direct Investment (FDI) has fluctuated constantly with China as the leading recipient of FDI. The World Investment Report of 2020 shows that, looking back at 2019, FDI flows to developing Asian economies fell 5 percent to $474 billion. However, Asia remains...

As new type of indoor decoration materials, gypsum plasters have good development prospect in fire resistance, heat preservation and insulation, environmental protection, etc. The purpose of this paper is to prepare gypsum plaster using desulphurization gypsum, waste mycelium retarder (WPM) and some...

With the promotion of examination-based education in China, Chinese adolescents are studying hard and facing the pressure of comparison and competition with others. The number of places for continuing education and work provided by China is far lower than the demand, leading adolescents to bear the pressure...

Vibration and noise always occur simultaneously. Vibration is the source of noise. All noises are the transmission of the vibration energy of vibrating body on medium, whether solid or fluid. The noises may through many mediums to our ears and the noises may be very complicated, which are comprised by...

This study investigates: 1) strategies to optimize benefits and mitigate risks in implementing the Distributor Financing (DF) system on PT Semen Tonasa’s cash flow, and 2) the ideal funding amount through the DF system to maximize cash flow projections. Using a qualitative, descriptive analytical approach,...

The separation and detection modules of the chromatographic system for the transformer gas-in-oil on-line monitoring is improved. The former single-column separation detection module is improved to double-column separation detection module, and compared with single-column detection module. The results...

Character education is interpreted as education that can promote noble values, morals, character, and manners. Character education is currently being developed following the Ministry of Education and Culture strategic plan for 2020 – 2024 in the form of the Pancasila Student Profile. The purpose of this...

2-(4-((6-bromo-3-nitroquinolin-4-yl)amino)phenyl)-2-methylpropanenitril(7) is an important intermediate in many PI3K/mTOR inhibitors. The compound 5 was synthesized from 6-bromoquinolin-4-ol (1) and 2-(4-nitrophenyl)acetonitrile(4) through five steps including nitration, chlorination, alkylation, reduction...