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Operations Research is a compulsory subject in Management Department, Faculty of Economics of University Andalas. During Covid-19, the teaching methods migrated online through the used of applications such as Youtube, Zoom and Whatsapp. The aim of this research is to know the best application according...

Carbon dioxide conversion is considered a promising solution to the problem of global warming and the need for renewable energy storage. Although it is challenging to develop a process that combines the complete conversion of CO2 to CO in the absence of O2, this paper describes such a solution. In this...

To promote low-carbon living, the Chinese government has introduced a dual-credit policy aimed at accelerating the development of China’s new energy market. As this market grows, core battery technology for new energy vehicles (NEVs) remains controlled by companies with independent R&D capabilities....

This paper proposes a novel method for measuring the linkage between science and technology (S&T) based on the co-citation of patents and academic papers. This method differs significantly from the Science Linkage (SL) index, a science-based index first proposed by Narin. By analyzing the co-citation...

Many metropolitan areas face serious challenges from recurring urban flooding, exacerbated by land subsidence, urbanization, high land conversion, and environmental degradation, as seen in Greater Bandung, Indonesia. Conventional flood control infrastructure is inadequate, underscoring the need for sustainable...

Three kinds of salen catalysts, mono-chloromethyl-salen-Mn, tetra-tert-butyl-salen-Mn and mono-chloromethyl-slaen-Co, were synthesized and then immobilized onto ceramic membranes by two steps. First, 3-aminopropyltriethoxysilane (APTES) was grafted on ceramic membranes in order to introduce amino groups...

The research on Co-Processing Refined Bleached Deodorized Palm Oil (RBDPO) was conducted to examine the Effect of Feed Composition and Product Quantity. It is to provide the competitive renewable fuels in accordance with the government programs to promote Renewable Energy (RE) by utilizing the processing...

Currently, COVID-19 is an ongoing pandemic that happened in many countries, including in Indonesia. Related to this pandemic, The Ministry of Education and Culture of Indonesia is issuing a policy which is to study from home. To fulfill this policy, students and teachers are required to mastering the...

This paper, studying on the basis of existing research, taking the issues of trade and environment as the research object, applying the analytical models of document co-cited, combined with Cluster analysis and Strategic diagram analysis, made empirical analysis on the related literature from CSSCI database,...

The adsorption of Cs+ by a novel extractant-impregnated resin (EIR), was studied using batch adsorption experiments. The new EIR was prepared by impregnating 4-tert-butyl-2-( -methylbenzyl) phenol (t-BAMBP) onto AB-8 macroporous resin beads. Thermogravimetric analysis (TG) and the Fourier Transform Infrared...

Under the background of China's current economic development, this paper brings forward the urgency for discussing the impact of China's urban-rural income gap (IG) on Residents' consumption demand (CD), and summarizes and describes the research methods and research ideas of the problem. First of all,...

The economic ties between China and ASEAN get increasingly close, and the co-movement among the financial markets shows a significant character of time varying. With the daily data from 2012 to July, 2019, this paper gives an empirical analysis to the volatility spillover among the stock markets of China...

Distance learning is an option for the learning process during the Covid-19 pandemic. Most education providers in Indonesia are still low in understanding and experience in implementing distance learning. Polytechnic of UBAYA Surabaya has implemented distance learning in the two semesters. The learning...

Wire Arc Additive Manufacturing (WAAM) is an efficient process for producing large metallic parts with high deposition rates and less cost. This study investigates the influence of different shielding gas mixtures (SG-1: 100%Ar, SG-2: 95%Ar+5%CO₂, SG-3: 90%Ar+10%CO₂, and SG-4: 80%Ar+20%CO₂) on CMT-WAAM...

This study investigates global research patterns on waste, wastewater, and air pollution with a specific focus on the roles and contributions of non-governmental organizations (NGOs). Using a bibliometric approach, the analysis draws from publications indexed in the Web of Science between 2014 and 2024...

China is one of the largest consumers of energy and, consequently, one of the top emitters of CO₂ worldwide. However, it is also one of the largest investors in low-carbon technologies and has set an ambitious target to become carbon neutral by the 2060s. This study analyzes the development of China’s...

This article introduces 5 optimization strategies to enhance energy efficiency and reduce carbon emissions in low-carbon manufacturing. Key focus areas include algorithmic optimization models and technological frameworks. The Grey Wolf Algorithm (GWO) and Chromosome Hierarchical Coding Genetic Algorithm...

Based on related dividend theories, this paper uses the empirical data of Chinese securities market, constructs the sub-portfolios which consist of three samples including stock dividend, cash dividend and non-dividend and studies the return of these three types of sub-portfolios by co-integration model...

Composite metal hydroxide Ni0.5Co0.2Mn0.3(OH)2 has been prepared via a co-precipitation reaction method. The obtained powders show a single phase with a typical hexagonal phase of -Ni(OH)2. SEM reveals that the irregular secondary Ni0.5Co0.2Mn0.3(OH)2 particles were formed at the initial stage and the...

This study aims to determine the dynamics of research trends on collaboration in COVID-19 handling based on co-authorship of country, co-occurrence of author keywords, and citations of authors, sources, and countries. Accordingly, bibliometrics is used as an instrument to reveal the emphasis and tendencies...

This study is to investigate the current status of annual publications, the keywords of research hotspots, the co-occurrence of keywords, and co-authorship. A total of 1,494 references that were downloaded from Scopus are evaluated. The VOSviewer application is utilized for the analysis. This study presents...

Related party transactions, as an important part of the trading model of listed companies, have an important impact on corporate stakeholders. Related party transactions can reduce the transaction costs of enterprises and continuously promote the development of a market economy. However, most of the...

This study aims to identify key elements of a strategic plan for talent management in Nhon Hoa Scale Manufacturing Company (Nhon Hoa Co. Ltd.). The company was established in 1983 as a small family-owned business at the beginning. Over the last few decades, Nhon Hoa Co. Ltd has become the leading enterprise...

The increasing population growth of a country causes an increase in energy consumption, high energy consumption also has an impact on environmental conditions. Greenhouse gases (GHG) are problems that arise with the use of conventional energy. In 2030 Indonesia will reduce GHG by 29%. Efforts are being...

The SCONUL Seven Pillars of Information Literacy (2011) provided a robust conceptual framework for navigating source-based, stable information environments. However, the rise of generative AI systems such as ChatGPT and Claude challenges this paradigm, reshaping how users identify, access, evaluate,...

According to the theory of collaborative research, pointed out that the overall function of the container transport system is not a single function, but by rearranging the elements of the system, achieve the reasonable allocation of resources. Through the co evolution equation, in-depth analysis of container...

It is of particular importance to use the limited spectrum resources efficiently since they are non-renewable. The spectrum efficiency can be doubled theoretically with the Co-time Co-frequency Full Duplex (CCFD) technology. Existing research results show that CCFD is achievable under the condition of...

According to the characteristics of the electronic cabinet fire, several cases of cable fire experiments with different ventilation rate in real scale electronic cabinet have been carried out. Temperatures of the cable flame and fume, as well as different location near the center of the conflagrant electronic...

The optimal management of hemodynamic disorders among critically ill patients requires an accurate assessment of hemodynamic status. Global End Diastolic Index (GEDI) is taken for a more reliable indicator of preload in critically ill patients than central venous pressure and doctors tend to arrange...

Students need to be happy while doing their study in order to get good achievement. However, on the other hand, individuals have problems related to happiness. This can be seen from several research results which state that in general individuals have a moderate level of happiness. Based on previous...

Electoral disinformation is increasingly recognized as a serious threat to democratic governance worldwide. Data from the International Telecommunication Union indicate that more than 4.6 billion people actively use digital platforms, amplifying the reach and impact of false information during electoral...

The purpose of this research is to describe the conflicts faced by the school through increased community participation. The study used a qualitative approach, with a multisite research plan. The research site is at SDN Tunjungsekar 5 and SDN Ketawanggede. Data collection techniques with in-depth interviews,...

Stochastic model checking is the extension and generalization of the classical model checking. Compared with classical model checking, stochastic model checking faces more severe state explosion problem, because it combines classical model checking algorithms and numerical methods for calculating probabilities....

The COVID-19 pandemic has hurt almost all economic sectors, including Small, medium enterprises (SME). The significant changes that occurred during the pandemic were the demands for the acceleration of digital transformation, and the mastery of information technology seemed to be an absolute necessity,...

Tobacco is one of the largest agricultural products and is widely traded in the world market, including in Indonesia. In Indonesia, tobacco leaves are used as raw material for cigarettes which are mostly produced by cigarette companies. The quality of tobacco leaves greatly affects the quality of cigarettes,...

This study investigates the influence of Cobalt in magnetorheological elastomer (Co-MRE) on which the magnetic effect could be applied in soft optical electronics such as wearable and flexible sensors. Polydimethylsiloxane (PDMS) was used as a medium, and Co was used as a filler to construct isotropic...

Cultural tourism offers travelers the opportunity to engage meaningfully with local identity, heritage, and traditional values, moving beyond passive sightseeing toward experiential immersion. Kampung Wayang, located in Wukirsari Tourism Village, Yogyakarta, stands as a living cultural space where the...

This study addresses the core issue of systematically integrating sustainable development principles and the resource-based view into new energy vehicle enterprises’ management systems amid severe environmental constraints, resource bottlenecks, and interest conflicts, aiming to coordinate green transformation...

Being a kind of important energy and chemical raw material, natural gas can replace fossil fuel for instance coal to cut down the net CO2 discharge. For natural gas purification, separation using membrane technology are considered to be an attractive alternative method. It is necessary to remove acid...

This paper is about the role of universities in charge of training the highly qualified specialists for the enterprises of the cluster. The integration of multi-level educational institutions will be obtained by the concentration of scientific, educational, teaching and material resources for the development...

This paper reports research results on task-based needs analysis for English correspondence course in hotel context for vocational students in university level. A task-based analysis on the needs of the course was conducted to identify the real needs of English correspondence that hotel staffs conduct...

The disposal of tailings currently represents a major challenge in the Brazilian mining scenario. As a result of the accidents that have occurred in the last decade, the legislation has become increasingly demanding with regard to the disposal processes of these materials. Therefore, new disposal systems...

The era of the Industrial Revolution 4.0 has led people’s lives and cultures into the digital world. Sending messages has been done through various digital applications, including WhatsApp. This study aims to explain the literacy of prayer texts, especially those in the Sundanese regional language, through...

Planners and engineers are increasingly interested in implementing Nature-Based Solutions (NBS) in rural mountain areas to adapt to hydrometeorological risks such as flooding, landslides, mudflows or rockfalls. While co-design and implementing NBS in urban areas has already been applied and is well documented,...

This study intending knows the student perception of learning services in the FST UT. Some of the services that will be this research topic are General Services, Registration Services, Academic Guidance Services, Tutorial Services, Practical Services/Practicum/Studio, Teaching Materials Services, Exam...

Borders are strategic areas for a country and are synonymous with defense. The border is the entrance to a country. Therefore, border security is an essential aspect of a country. This paper reviews and analyses various articles on border security with a bibliometric approach using the keywords border,...

Academic and Curriculum Management System (SPAKP) is a system developed to help administrators and teachers to record and update students achievement in academic and cocurriculum in one platform. Parents and students can monitor the level of student achievement in the school. This study conducted to...

The higher education informatization is the trend of education development, the whole information system is a complex and open dynamic structure. in which the components are co-developed collaboratively in a constantly changing environment. After 20 years of development, the results of development have...

Social design can be understood as a discipline that focuses on using design for good. The notion that designers need and can do good with their design had been proposed by many authors, scholars, and designers throughout design history. In hopes to define and determine if the social design applies to...

The dynamics model of smoking is a system of nonlinear differential equations of first order. The dynamics model of smoking consists of five subpopulations, namely potential smokers, light smokers, heavy smokers, smokers who temporarily quit smoking, and smokers who permanently quit smoking. The mathematical...