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The purpose of our study is to investigate the application of Modern portfolio Theory in the stock markets and design an investment strategy for risk-averse investors. The principle of the Modern portfolio theory is mean-variance analysis, that is we use mean and variance to measure the expected return...

The Semarang area is one of the metropolitan areas in Indonesia. It has an impact on high population growth, both from natural growth and urbanization, which results in an increase in population density. In 2019, the population in the Semarang area was recorded at 3,062,936 people and will continue to...

Web services bring more conveniences for users and developers. However, it makes user face the problem of service information explosion. The personalized service recommendation solves the problem. This paper proposes a mechanism to evaluate Web service composition’s reliability which bases on user context...

A model for simulating the output signals of Hall sensors installed with misalignment in a brushless DC (BLDC) motor is proposed in this paper. In the past, Hall sensors have been very widely adopted to evaluate the commutation timing and rotation speed of a BLDC motor. However, no simulation model is...

The structure of composite beam A and composite beam B is formed by the combination of corrugated steel web plate and lining concrete. A finite element model was established to study the distribution between steel plate and lining concrete in elastic stage, and to analyze the failure process of interface...

Timebank provides a resolution for mutual provision of the elderly in China.But because of the pain points such as low trust and recognition,giant room for improvement in recording veracity and difficulties in cross-regional exchange of voluntary time, which exist in the long-acting Timebank operation,...

Covid-19 pandemic occurred in Indonesia and also almost all countries in the world has a big impact in various fields, both in health, education, social and economic. The government issued a policy to stay at home to minimize spread of covid-19 virus. In early June 2020 the government issued a new policy,...

This article aims to elucidate the creative planning of place identity and local distinctiveness in Setu Babakan cultural area, which is moderately influenced by the socio-culture context of Betawinese culture. Setu Babakan is one of the designated areas for Betawi Cultural Center (BCC), which has been...

In this paper, it adopts the document literature and comprehensive analysis methods and it studies the use of video capture images in athletics programs. Then it draws the appropriate conclusions, so that the athletic coaches will use and guide the athletes a reasonable training.

Every country will strive to achieve optimal economic growth and reduce poverty. In Indonesia, people with disabilities who are left behind in terms of education and work also contribute to increasing the number of poverty. Basically, there are many ways to achieve economic independence for persons with...

Leisure has become an important part of modern life. The leisure of the farmers directly influences the quality of farmers’ life, and has important significance to the realization of new socialist countryside construction in China. This paper studies the leisure life of farmers under the different human...

Internationalization of higher education has grown into a global tendency in recent years, with English playing an ever-increasingly important role in it. In their effort to internationalize, more and more universities in non-Anglophone countries throughout the world are employing English-medium instruction...

With the rapid development of Internet information technology, the position and role of network public opinion in the work of security and stability in Colleges and universities is becoming more and more prominent. When the network public opinion occurs in universities, the result of university management...

Cross-cultural communication is a phenomenon of interpersonal communication in different cultural backgrounds and has existed for a long time and is universal. There are obvious differences between Chinese and Western cultures. Therefore, many cultures with Chinese characteristics can be hardly understood...

Research on writing anxiety has been widely done in an offline setting for many years. The results informed that students were at various levels of writing anxiety. Due to the global pandemic, language classrooms have been shifted into emergency remote learning. It is susceptible that students also experience...

The development of a Knowledge Management System (KMS) for the Women Farmers Group (Kelompok Wanita Tani - KWT) "Migunani" represents a pivotal initiative in enhancing knowledge sharing and collaboration within the group. This KMS aims to address various challenges faced by the group, including...

in recent years, as college enrollment expands, the quality of college students is uneven. Meanwhile, the class size is also on the rise, this leading to the increase in the difficulty of class management. Thus, this paper proposes in class management of college students, it is required to enhance entrance...

With the densification of Internet of Things (IoT), the IoT application will benefit a lot from a wide range of unused bandwidths Millimeter wave (mm wave) frequencies. Through the general theoretical background, this paper puts forward several conventional beamforming algorithms in the mm wave environment,...

The service life of the transformer is determined by its solid insulation performance. However, it is a rather difficult job to quantitatively evaluate the aging conditions of cellulose insulation materials of the transformer by traditional methods. The existing researches show that the cellulose aging...

The purpose of this study was to determine the ability of the student's problem in completing the task of mathematics with sub-topic translation and reflection by using the help of google form. This research method was qualitative descriptive by involving 32 students of class XI TEi2 in SMK Negeri 1...

Social Sciences Learning in junior high schools is still constrained by various problems. Problems that often arise are too much material, while the lesson hours are too few, teachers who teach not teach do not come from the social sciences education study program, but come from social science study...

The pandemic situation had an impact on the program of sending foreign students to Indonesia for learning Bahasa Indonesia (BIPA). One of them is the students of HTWG from Konstanz, Germany. This situation, consequently, makes BIPA learning process should be carried out online. The listening class of...

Electronic cigarettes are rapidly emerging into a new trend among adolescents. There are concerns about the impact of electronic cigarettes at both individual and public health levels. Health promotion efforts with various media have been conducted but are not optimal to reduce adolescent electronic...

This paper proposed a system to survey candidate popularity for governor of Jakarta in 2017 from Twitter, Facebook, Instagram, YouTube, and Google Trends. While traditional surveys take days or weeks to complete, the system demonstrated results instantly and continuously. This paper aims to measure the...

As time progresses, technology advances, making internet access increasingly convenient. However, the easier it becomes to access the internet, the more vulnerable users are to brain rot. This study aims to analyze the dynamics of brain rot in the digital era, examine whether there is a negative relationship...

The Covid-19 that has hit the world has caused problems in almost all aspects of life, including the world of education. The policy of social restrictions and the implementation of online learning at the beginning of the Covid period until now still triggers many problems in the learning process, both...

Objective: Based on the characteristics of clinical symptoms of pruritus, analyze the relevant animal model, and then propose the evaluation and improvement. Method: According to the clinical diagnostic criteria of pruritus in Chinese and Western medicine, summarize the characteristics and modeling methods...

Polyphenols, flavonoids, triterpenoid and VitaminC from Clinacanthus nutans were extracted by ultrasonic-assisted ethanol extraction. The optimal extracting conditions were established as ethanol as solvent, ultrasound treatment time 35min, solid-liquid ratio 1:45 (g/ml), ethanol concentration 70% and...

Origami is the art of paper folding originated from Japan. It is, based on previous research has many benefits, especially in the learning of mathematics in the classroom. Therefore, there is a need to study about the possibility of application of origami in the process of learning mathematics in Indonesia....

In view of the traditional brake system and method exists the problems of the impact on wind power system is too serious and power generation efficiency is too low, this paper provides a kind of brake system and method that can improve the power generation efficiency and service life of wind power system....

The paradigm of ideological and political education is a hot issue in the study of ideological and political education in recent years. The exploration and thinking of the paradigm problem is in the ascendant period. The paradigms of ideological and political education has four stages: the stage of pre-paradigm,...

This paper focuses on the indirect thermal drying sludge technology based on spiral equipment. At first, the paper analyzes the current situation of the sludge treatment research, and the problems caused by lacking of effective sludge treatment, including environmental pollution, ecological destruction,...

In this study, Super fine magnesium hydroxide was synthesized by direct precipitation method. The influence of factors, such as reaction time, reaction temperature, solution concentration and the additive amount of dispersing agent on the particle size of MH were investigated. The properties of prepared...

Due to the inconsistency of the main body in dual channels, direct conflicts between online manufacturers and traditional retailers exist. In this paper, the demand function and the profit function of online manufacturers and traditional retailers are constructed according to master-slave game theory,...

In recent years, bipolar disorder is gradually becoming younger, and the incidence rate among young people is increasing yearly. However, the dissemination of information and awareness about bipolar disorder among young people, especially college students, has been slow or lacking. Although associated...

Saving has always been a problem in India, especially for poor households, and they face many obstacles when it comes to savings, such as a lack of ways to safe, expensive banking account fees, and self-control problems. This paper is going to explore the positive impact of reducing present bias on people’s...

China is one of the most severely affected countries by coastal erosion. About 70% of the sandy beaches and most of muddy tidal flat in open water regions are erode. Coastal erosion results in the width of beach being narrowed, bathing beach destruction, coast-protection facilities and roads collapse,...

Adopt the literature review method, apply the computer numerical simulation technology, and combine the research method and characteristics of the physical exercise technology. It discusses the application methods, process, specific steps and function of the computer numerical simulation technique from...

For application-oriented undergraduate universities, experimental teaching has become one of the key links in the process of talent cultivation. National Demonstration Center for Experimental Modern Circulation Education closely sticks to the School’s objective of talent cultivation, carries out research...

An evaluation method of network planning based on rough set theory is proposed. Index weights assigning method is used to evaluate the coordination of network planning with the indexes of power system in reliability, safety, economy and environmental impact. On the principle of attribute importance of...

During the cruise process of prionace glauca, its pectoral fins play an important role in keeping balance and stability of its body. The research on the fluid-solid coupling of prionace glauca pectoral fins is of important value to optimizing the design of the AUV and other marine engineering equipment....

A compact and simple ultra-wideband microstrip-fed planar antenna with double bandstop characteristic is presented. The antenna consists of a rectangular monopole and two W-shaped slots inserted into the radiating patch and the truncated ground plane. By using a W-shaped slot defected ground structure...

Background, The Covid-19 disease was first reported in China in the end of the year 2019 and within a span of few months it spread drastically in different countries of the world. As a consequence of that the World Health Organisation (WHO) declared it a “pandemic” and the educational institutes all...

Problem fundamental management - evaluation Education in Indonesia is unprepared for the transformation of educational traditions. Educational institutions are slow to anticipate changes that occur in 21st century learning which are strongly influenced by information and communication technology. Covid-19...

The cultural practice of “A’pa’tantu allo baji,” determining auspicious wedding days, intricately involves calculations rooted in Islamic lunar months or the Hijri calendar. This study deeply explores the symbiotic relationship between cultural traditions and mathematical concepts, centering on numerical...

In 2011, Khan et al. identified that Wang et al. scheme could not achieve user anonymity and had many practical pitfalls, In addition, Khan et al. presented an enhanced scheme to eliminate the aforementioned defects. In this article, we point out that Khan et al.’s scheme is incapable to provide user...

Carcinoembryonic antigen (CEA), typically associated with certain tumors is widely used as clinical tumor markers for diagnosing certain cancers and hence its detection is of great essence in clinical diagnostics. A large number of surface atoms of nanoparticles have huge surplus bonding ability, because...

Theoretical frameworks are used to guide research processes as well as to accommodate the multiple constructs of the phenomena being evaluated. A literature review was undertaken to identify a theoretical framework to inform a study of paediatric peripheral intravenous catheter (PIVC) utilization in...

In vehicle-pedestrian impacts, the severity of pedestrian injuries are affected by car hood. The structure and material of the hood is believed that strongly effect on pedestrian head injury. Therefore, the improvement design of hood structures has a great help for reducing pedestrian head injuries....

Regional economy, as a relatively independent and closely interconnected organic system, has a complex relationship between industrial development and economic development. Exploring the law of regional economic development is helpful to provide reference for regional industrial development. The author...