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Coumarin has drawn much attention due to its wide range of pharmacological effects such as anti-tumor, anti-coagulant, anti-inflammatory, anti-oxidant, anti-HIV and anti-bacterial. In clinic, coumarin derivatives have been used as anticoagulant and rheumatoid arthritis therapy. Coumarins have become...

At present, the cultivation of innovative talents in agricultural information technology in our country is still restricted by some factors, such as the lack of school running conditions, the lack of teacher and students’ innovation consciousness and so on. At the same time, teaching staff and strengthening...

Near-Field Electrospinning(NFES) is a novel method to fabricate aligned micro/nano structure. At present, the bottleneck of restraints on realizing industrial application for NFES is that direct writing device can't meet its requirements in both stability and precision.This technology is mainly used...

We investigate two important applications of curl: the angular velocity and the magnetic field. The angular velocity is derived from the curl of the velocity field associated with the object, whereas the magnetic field is defined by the curl of a vector potential essentially determined by the current...

WeChat is becoming increasingly popular and the first choice of Chinese people’s public platforms. Meanwhile, it’s becoming the new learning platform for modern Chinese college students. The reform of College English teaching has been focusing on learner-centered philosophy and improving the student’s...

Option price and its valuation are crucial issues in finance research. In this research we implement Black-Scholes option pricing model and compare it with stochastic modeling, namely the Monte-Carlo Simulation. These two classical models are implemented on newly emerged technology companies like Google...

Background The prevalence of cardiovascular disease is increasing in Indonesia. Cardiovascular disease ranks first among the causes of mortality in the world. Controlling the risk of cardiovascular disease becomes an effort to prevent the disease incidence. Previous studies have shown that olive oil...

In modern college hostels environment, securing student’s belongings while maintaining efficient access control is paramount. This paper suggests a complete solution that tracks hostel students’ login and logout histories and offers secure storage amenities using RFID tags and a GSM system. Furthermore,...

The Z-generation’s digital literacy and speech politeness in the context of the 5.0 Society era are a reflection of digital development across all sectors, including higher education. Digital literacy and speech politeness of The Z-generation towards the 5.0 society era are examined through stages that...

This study examines the impact of learning styles on creative thinking and problem-solving abilities while exploring the integration of Natural Language Processing (NLP) as an educational tool. A systematic literature review (SLR) following PRISMA guidelines was conducted, analyzing peer-reviewed studies...

Based on the requirements of the Ministry of Education for constructing national virtual simulation experimental teaching centers and complying with the development of innovative experimental teaching, this paper explores the construction of innovative modern circulation virtual simulation experimental...

Due to Coronavirus outbreaks, almost all universities carried out teaching online by using a variety of learning platforms such as web-based learning, LMS combined with conducting video conferences through Zoom Meeting or Google Meet and the like. Although Ho Chi Minh City Open University (HCMCOU) made...

Along with technological progress, artificial intelligence has become a driving force for contemporary as well as future development. Artificial intelligence technology and humans are becoming more closely connected as it advances, and its influence on morals and ethics is also becoming more apparent....

The research aims to describe the level of student motivation in learning matrix through peer tutoring learning. The concept of a matrix is very important in the field of informatics engineering because it is necessary to create computer programs, so the student must be serious and careful in understanding...

This paper sets forth “Snapshot Lifecycle Management”, an innovative way to manage snapshot data rather than using Information Lifecycle Management. There are two major problems occurs in snapshot management by ILM: “inappropriate migration” and “redundancy”. SLM manages snapshot data elaborately according...

The COVID-19 pandemic has an impact on education system across the world including in Indonesia. Indonesian Ministry of Education on March instructed educational institutional to start teaching online by learning from home, through online learning and assessment methods. This situation brings positive...

The attendance system process in Indonesia generally are still using a traditional method. Paper-based is used as a medium to perform attendance at every event. With this traditional method, there are still many shortcomings in terms of security and management. In terms of security, the traditional attendance...

The Semarang Area is the center of socio-economic activity, and manifold people come to improve their living standards. The increasing population growth in Semarang Area due to the rate of urbanization initiates the conversion of vegetation land into built-up land, which has implications for decreasing...

In the current century, there has been a significant increase in the participation of women in the workforce. Although their contribution to the nation’s progress and economic development is essential, women often face challenges balancing their family duties with their professional responsibilities....

Tracer study is a necessity in the world of education, especially in Vocational High Schools. Through tracer studies, schools can find out the number of graduates who are absorbed in the world of work, and become a means of evaluation for school leaders in making policies. This study uses the Systematic...

The effects of Er and Zr on the precipitation and recrystallization of Al-Mg alloy was investigated using hardness testing,optical microscopy and transmission electron microscopy. The results show that Al-Mg-Er-Zr alloy has a markedly hardening effect during isochronal annealing. The recrystallization...

With the continuous deepening of quality education reform, the teaching methods of each stage is becoming more and more perfect, and the happy teaching method is gradually applied to the public sports aerobics course in colleges and universities, which has greatly improved the teaching value of aerobics....

PHP is an open source general-purpose computer scripting language and especially suitable for network development, and can be embedded in the use of HTML[1]. In this paper, the author used PHP script language and MySQL database to design and implement the yak growth information system based on B/S architecture....

This study aims to analyze the critical thinking skills of students Grade 10 in Senior High School through Problem-Based Learning on biodiversity material of endemic flora and fauna in Bengkulu Province. This study used a survey method with the data collection used a questioner essay questions via a...

With the aid of symbolic computation by Maple, a class of third-order nonlinear evolution equations admitting invariant subspaces generated by solutions of linear ordinary differential equations of order less than seven is analyzed. The presented equations are either solved exactly or reduced to finite-dimensional...

Cognitive Linguistics plays an important role in studying language generation and development. This paper mainly discusses how to teach vocabulary with the guide of it. After studying the ways and the materials of vocabulary study, we propose some effective ways to learn, such as accumulation of the...

Leadership behavior performed by a leader is inseparable from cultural influences. Leadership requires an understanding of the culture of the people it leads when dealing with the development of community culture. This study used content analysis to investigate research development and find out significant...

Quite recently, the online learning transformation technology has affected the education sector, especially since the industrial revolution 4.0 and the COVID-19 pandemic. This study examines the use of technological applications as well as the advantages and disadvantages of asynchronous online English...

This research investigates the impact of viral marketing and electronic word-of-mouth (e-WoM) on consumer decisions to purchase HMNS perfumes, with a focus on the mediating role of brand awareness. A quantitative approach with an explanatory design was used, collecting data from 195 respondents through...

Cloud computing refers to the computer platform technology, via the network with the way of on-demand and extendibility to get the required service. The core value of cloud computing is its on-demand scalability and the application value of enterprise private cloud is that it can cover the entire production...

Coumarins are oxygen-containing heterocyclic compounds, which is an important type of compounds in the discovery of bioactive molecules. Some work on the synthesis of bioactive coumarins has been done by other groups. Meanwhile, many synthetic methodologies have been put forward to construct skeleton...

On May 5, 2014, general secretary Xi Jinping called on the youth to conscientiously practice the socialist core values in his speech at the symposium of teachers and students of Peking University. As Yunnan province is located in the southwest of China, the unique geographical conditions and national...

Cloud computing has been considered as one of the large-scale platforms that support various type of services including compute, storage, compute, and analytic to the users and organizations with high agility, scalability, and resiliency intact. The users of the Cloud are increasing at an enormous rate...

Various pedagogical resources and methods are invested in students’ cultivation and development. A new BBC documentary named ‘Are our kids tough enough’ provides a new opportunity to observe and analyze the difference between western and Chinese education and related teaching results towards pupils....

The purpose of this research is to analyze the influence of Financial Knowledge, Financial Attitudes, and Financial Literacy on Financial Management Behavior for the people in Jakarta during COVID-19 pandemic. During the pandemic, many business activities have been exposed to tight restriction by the...

Many emerging adults experience financial stress which causes a low subjective financial well-being, especially in Malaysia. Many uncertainties make emerging adults feel worried about their financial conditions, especially during the Covid-19 pandemic period. This phenomenon has attracted the authors’...

This paper investigates Guangzhou residents' sense of place, focusing on the impact of world heritage declaration as an external event by using a five-point Likert-type scale with a series of statements listed. We have found that Guangzhou's world heritage declaration has strengthened residents' place...

The recovery of vanadium with calcium fluoride in sulfuric acid medium was put forward from vanadium titano-magnetite in order to enhance the leaching efficiency of vanadium and reduce the environmental pollution. The main factors, leaching mechanism and kinetics analysis of vanadium from vanadium titano-magnetite...

In this paper we investigate another type of pseudovectors: the curl of vector field. The definition of curl is introduced and its transformation property under space rotation and inversion is thoroughly investigated.

Speaking is a complex skill that its components must be mastered by students, including grammar, vocabulary, fluency, comprehension, pronunciation. So, it is hard to achieve by most EFL learners. This study aims to identify if the speaking club improves the student speaking skill or not. The subject...

Previous studies indicate that childhood trauma results in depression and intimate partner violence. The present study aimed to investigate the relationship between childhood trauma and intimate partner violence with depression as the mediator. The method used in this research would be a quantitative...

In the view of the critics of Crescent Moon, “Saying Goodbye to Cambridge Again” indeed remains the best representative work in the pursuit of formal beauty of modern Chinese poetry. Analyzing this poem from the aspects of musical beauty, pictorial beauty, and architectural beauty, this paper tries to...

The purpose of this study is to identify the different strategies employed by micro- enterprises supporting by the government funding with different developmental stage of industrial life cycles. This paper used a multiple-cases study method and selected 48 cases micro-enterprises to analyze the developmental...

UAV system with a wireless data link for the calibration and test objects, designed and implemented a wireless data link system calibration equipment, medium-range UAV system to solve the simple means of technical support, equipment calibration testing process takes a long time, personnel, results poor...

The quality of information disclosure is a key element in protecting the interests of investors and maintaining the healthy development of the capital market. This paper examines the relationship between religious atmosphere and information disclosure quality by taking samples of Shenzhen A-share listed...

The Covid-19 pandemic has great challenges in people’s life, including education. Physical distancing requires lecturers or teachers to do teaching and learning process through internet as the media. The use of e-learning is very important to support learning system by applying several platforms, such...

Background: Procedure tracheostomy may be performed quickly, but it can also be challenging in patients with burns, acute sickness, post-head traumas, juvenile patients, obesity, short necks, and masses in the neck that impede access to the trachea. The potential of difficulties after a tracheostomy...

Since the beginning of 2020, the Covid-19 pandemic has captured the attention of the whole world. Infectious diseases that are included in this global category, have a fairly fast transmission speed. After the lockdown program, the government launched the 5M (in bahasa) program, namely washing hands...

The concrete pole of the early construction of the transmission line has weathered and cracked on its surface after long-term operation, and the surface concrete will break and fall off with further development, resulting in the decrease of the bearing capacity of the concrete pole. The anti-weathering...

This study aims to analyze the implementation of practical assignments in online learning by students. This research method is a survey through an instrument in the form of a questionnaire with 30 questions developed based on theory. Respondents in this study were 550 students of the Early Childhood...