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Three 3-substituted derivatives of quercetin were synthesized in 10-80% overall yields. Their structures were characterized by 1HNMR. Three target compounds (4a~4c) have not been reported before. The results showed that: pre-treated of PC-12 cells with, cell survival rate was higher than that of quercetin....

In order to find a suitable technology for recovery of bound coal in China's Shanxi province, the Wongawilli mining method is applied in Ganhe colliery. Recovery rate depends on reasonable deign of rooms and pillars. Geological conditions of pilot area is complex, such as great burial depth, poor integrality...

In the past 30 years, with the rapid development of New Information and Communication Technologies (NICT), there have been many innovations in the field of Communication studies in Europe. On the basis of statistical analysis and visualization of the research data in France and Germany (N=643), a meta-communication...

This study aims to measure the effectiveness of the Virtual Classroom Critical Thinking (VC2T) Model in improving students’ critical thinking skills. There are six steps in the VC2T model, namely: problem orientation, formulation, group discussion, analysis, result discussion, and reflection. This study...

The motivation behind this study is to decide how much income, operating expenses and operating capital have an effect either simultaneously or partially on net operating income. This study utilizes auxiliary information acquired by the Indonesian Stock Trade Corner and yearly reports. The perception...

Cases of sexual violence on campus has been rampant in Indonesia. In 2020, a survey conducted by the Directorate General of Higher Education, Ministry of Education and Research, showed that around 77 percent of lecturers admitted that there was sexual violence on campus. The case of sexual violence on...

Artificial intelligence, or AI, can impact human resources management in good and bad ways. In the last 20 years, researchers have studied how AI affects workplace results more closely, but there hasn't been a complete review of all this research. A full review is important because: (a) it can help...

This study aims to produce a decent web learning product as a medium for delivering web programming courses for students at the Education and Information Technology Education study program at Engineering Faculty, Manado State University. This is a Research and Development type of research with reference...

This study aims to determine the sports talent profile of public elementary school students in Surakarta City. The research method used a survey test. The method also used in this study was a descriptive method with quantitative analysis, with a population of public elementary school students totaling...

The need for human resources in the 21st century is emphasized on communication skills, collaboration, critical and creative thinking, this study aims to determine whether there is an influence of collaborative inquiry learning on understanding the concepts and critical thinking skills of students on...

It is necessary to characterize and monitor the spatial heterogeneity of agricultural landscapes, to assist the spatial understanding of some related agricultural processes and to predict food production patterns. In the study, variogram models fitted to empirical variograms are proposed to retrieve...

Learner autonomy places important role in language learning because it promotes independent role to increase the learning progress as well as learning achievement; thus, the purpose of this study was to analyse teachers’ and learners’ perception of learner autonomy in their classroom practice, especially...

The focus of this study was to determine and analyze the level of physical condition possessed by diving athletes in Pasuruan. The data obtained will be used as material for development and a benchmark for physical conditions that divers must own at the provincial level in other regions. This study used...

Management of wildlife in captivity that must be considered is the use of feed additives and prevention of diseases caused by endoparasites. The digestive tract is one of the organs that are susceptible to helminthiasis. This study was aimed to determine the prevalence of endoparasite infection in Timor...

Aiming at the nonlinearity of stock prices, this paper first utilizes deep learning neural networks, including Recurrent Neural Network, Long Short-Term Memory and Gated Recurrent Unit, which are known for their strong capability to fit nonlinear function relationships. These networks are used to construct...

This study aims to develop learning models that are in accordance with the characteristics of reading comprehension learning and can improve reading comprehension skills. The model is Genre-based Inquiry Systemic Functional Linguistic (SFL GBI). The study used a descriptive correlational method, and...

The College English Test (CET), comprising the CET-4 and CET-6 exams, serves as a critical tool for assessing English proficiency across the nation and has become an essential benchmark for the enrollment and graduation of university students. Recognizing the significance of reading in the mastery of...

This study aimed to determine the profile of physical condition by measuring the level of physical illness and physiology of Taekwondo athletes in the Situbondo Regency. A total of 8 athletes as research subjects. The study results consisted of physical conditions, which were divided based on anthropometrics...

This research is intended to know (1) the level of students’ critical thinking skill and (2) the impact of critical thinking skill toward students’ social sensitivity. The research methodologies used were (1) history learning which was emphasized on critical history learning, (2) the data collections...

Coffee pulp is an agro-industrial waste that is produced in huge amounts in Indonesia. The coffee pulp contains hemicellulose, with 63% of the total cellulose. In our previous study, the cellulase activity of Penicillium sp VT11 from coffee pulp waste was assayed under the solid-state fermentation (SSF)...

In recent years, while Chinese front-line researchers and practitioners have made significant progress in their understanding and support of intervention and education for children with autism between 0 and 16 years of age, the vocational education support they need as adults and the employment difficulties...

The highly efficient High Pressure - Condensation process is designed and studied to synthesis high purity Gallium nitrate. The luminescent properties of phosphor materials using raw materials produced by this progress are investigated. The results show that Gallium nitrate can obtain by following process...

Due to the diversity of fundamental situation among provinces in China, there are visibly regional differences in economic development level, resource endowments, and technological development level. For this reason, the energy diversification shows a big diversity on development model. This paper, based...

In the future, online learning should be an essential part of integrating every education unit in Indonesia, especially in higher education, into the learning system. The COVID-19 pandemic’s new normal era has become an important momentum for the need for online learning using information and communication...

Management control plays a central role in enhancing the performance of public organizations, particularly in a context where efficiency and transparency are increasingly demanded by stakeholders. This systematic review aims to synthesize the existing empirical literature evaluating the impact of management...

For convenient test comparisons and engineering applications, the relationships between the surface tension coefficient of water and the temperature were analyzed by using the linear fit and the nonlinear quadratic fit based on a number of experimental data from literatures. The new relationships of...

A database of 30 deep excavations of field monitoring on Nanjing subway stations is presented and discussed. In order to reflect the differences of settlement in different area around the excavation, monitoring points were arranged at three areas: the position 1/4 and 1/2 long side, or the long side...

As a pioneer industry of the national economy, the Distribution industry can guide China’s consumption and investment, and the Distribution efficiency can effectively reflect the construction effect of China’s Distribution system, which is of great significance to China’s economic development. Based...

This study developed a web-based accreditation information system for the Applied Program of Politeknik Negeri Manado using a User-Centered Design (UCD) and prototyping approach with active participation from 30 respondents, including academic staff and accreditation team members. Through two evaluation...

Asthma treatment generally aims to control asthma recurrence so that patients can lead an everyday life with few or no symptoms. In addition, low levels of asthma control are associated with a decreased meaning of quality of life. Therefore, this research aims to determine the study of asthma therapy...

In this article, we conceptualize technique effect from a carbon emission reduction perspective, informed by the work of MacDougall, Shahbaz, and Daron Acemoglu and others following them. Building on this, we classify these determinants of technique effect into two typologies. Foreign trade and foreign...

With the rapid economic development, China has become the largest power consumer,An accurate grasp of the relationship between electricity consumption and economic growth, the sustainable development of the economy and the development of electric energy policy will have a great help. This paper adopts...

The authors consider the classification of methods for the formation of spatial core coatings based on the proposed kinematic systems. The possibility of using kinematic transformable systems in pre-fabricated seasonal coverings of a small span for the construction of greenhouses, warehouses, tents,...

This study aims to determine the effect of Contextual Teaching and Learning (CTL) model based on ethnomathematics on the students’ interest and learning outcomes of class XII SMA Negeri 2 Salahutu in three-dimensional materials. This study used experimental research with Quasi Experimental as the research...

This study aims to describe the effect of the application of the Treffinger model on the ability to think creatively in class VII Pancasila and civic education subjects of SMPN 17 Palembang. This study used a quantitative approach with a pre-experimental research method that used a one-group pretest-posttest...

Natural disasters are emergencies that frequently occur throughout the world. Education for elementary school students when a disaster occurs is one of the focuses that must receive attention. This study aims to review various forms of learning activities that can be presented to elementary school students...

This study uses a qualitative descriptive approach method in presenting the results of teacher expressive speech acts in Indonesian learning. The technique used is the Simak Bebas Libat Cakap (SBLC) technique. This technique is one of the author’s tapping activities while listening and not participating...

Eisenberger and other people in 1986 put forward the concept of organizational support theory and organizational support sense. The organizational support has undergone more than 30 years of academic development and discussion. In this paper, The theory Foundation, concept definition, measurement dimension,...

In modern Japan, when learning from the West, it chose a large number of Chinese classical words to translate Western terminology. These Chinese character words flowed back to China in large quantities at the late Qing Dynasty and the early Republic of China, and entered the modern Chinese vocabulary...

This study aimed to analyze the effect of CYP2E1 gene polymorphisms and breed sheep on carcass and non-carcass traits. A total of 50 rams used in this study were collected from 20 crossbreed sheep (10 Barbados Cross Sheep (BCS) and 10 Compass Agrinac Sheep (CAS)) and 30 local breed sheep (15 Javanese...

Traffic distribution is extremely uneven in Changqing campus of Wuhan Polytechnic University. To find out how exactly unbalanced it is and how to remedy this situation, investigation and questionnaire were carried out. Here only focus on the traffic investigation which was adopted eight observation points,...

Stress is a condition in which a person experiences feelings of stress in dealing with problems or tasks that must be completed. The PT. X employees who are required to carry out their duties professionally are not spared from the stressful work conditions. The purpose of this study was to find out whether...

Paocai is a traditional fermented food, which is loved by people because of its delicious. However, nitrite inevitably exists in Paocai, and excessive intake of nitrite will cause a certain degree of harm to the human body. Studies have shown that LAB have the ability to degrade nitrite, and AD and ED...

This study mainly focused on the dehydration of xylose to furfural with green catalysis. The reaction was under atmospheric pressure, with the as the catalyst plus an inorganic salt (NaCl) as promoter. DMSO was used as a renewable extraction solvent in a biphasic system. The optimal catalytic reaction...

Indonesia is still facing nutritional problems that have a serious impact on the quality of human resources, one of the problems of malnutrition that is still quite high in Indonesia is especially the problem of stunting. The incidence of stunting is one of the nutritional problems experienced by toddlerren...

This research aimed at finding out the influences of transformational leadership, career development, and compensation to job satisfaction at Padang State University. This study used 30 employees as sample at Padang State University. Questionnaire was used as a research instrument and distributed to...

An investigation on a farm has been done in Bangkalan Regency to investigate local feeds commonly offered for Madura cows, as well as their feeding value. Socah village was purposively selected in which a total of 30 cattle farmers were designated as location of this study. The observations being made...

Hydrolytic Pectinase is an important enzyme and is widely used in several industries. In the previous investigation, this enzyme could be produced by Aspergillus sp. VTM5 under solid-state fermentation and the coffee pulp waste substrates were used. The specific activity of about 0.4 U/ml of pectinase...

The Chinese spice culture has a long history. After the An-Shi Rebellion, spice trade of the Western Region by the Land Silk Road was blocked, and the Maritime Silk Road started to play an important role. To Quanzhou Port in Song and Yuan Dynasties, the Maritime Spice Road can be considered as opposite...

e-KuPang is an interactive mathematics education courseware that employs the representation concept to promote Kuda Kepang and enable Level 1 (Year 1 to 3) students to learn mathematics in a creative way. Students find the existing education system to be rather tedious since study sessions are too lengthy...