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In this work, a series of new thiourea derivatives of methyl C₅–C₆ alicyclic olefins were synthesized via their condensation with formaldehyde and hydrohalic acids in the presence of a ZnCl₂ catalyst, followed by the reaction of the obtained [2-chloro(bromo)-2(5)-methylcyclopentyl(cyclohexyl)]methanols...

The surface of poly(dimethylsiloxane)(PDMS) microfluidic chips were modified using polyamidoamine (PAMAM) dendrimer via physical coating. The results showed that the surface of the modified chips was coated by a dense, uniform, continuous, hydrophilicity layer of PAMAM. The hydrophilic of the chip surface...

A ZJ-type high pressure lubrication pump is analyzed by multidisciplinary design optimization (MDO) method, where data are sampled via optimal Latin hypercube experiments, and the response surface models (RSMs) for the plunger piston and cylinder body of the pump are built. Lightweight design of the...

Capital structure has been the main research topic of corporate finance and general finance. The policy of currency influence the economy activity and balance capital, and the change of currency credit policy will lead to direct influence financing for foreign trade from banks, thus influence the ability...

Comment posting is one of the main features found in social media. Comment responses enrich the social network function especially for how-to content. In this work, we focus on cooking video clips which are popular among users. Various questions found in comments need to be clustered in order to facilitate...

This study aims to explain about the implementation of integrated marketing communication tools for forming brand awareness of the use of Telkomsel Tcash sticker in Jabotabek Jabar area. This qualitative research was conducted from February to July 2017. Research data were collected using semi-structured...

In this study, we have discussed various statistical properties for 3-component mixture of Rayleigh distributions. Here initially, the main properties of mixture distributions are presented and analyzed. Second, some of the famous entropies, measures of inequality are also discussed. Also, the statistical...

The representations of record ranges via sums of independent identically distributed exponential random variables are obtained for asymmetrical Laplace distributions. This result generalizes the corresponding relations for record values in the cases of exponential and negative exponential distributions

Triclosan (TCA) is an antibacterial and antimicrobial compound that is incorporated into toothpaste, soap, and liquid dishwasher. Continuous TCA exposure may contribute to the emergence of antibiotic-resistant bacteria in the microbiome. Triclosan also reacts to form dioxins, which bioaccumulate and...

In recent years, the database technology has been widely used in a few fields. The keyword search technology based on relational databases does not require users to master any knowledge of SQL grammar and database schema. Users only need to input keywords, and conveniently search information via keyword...

Capon algorithm is a common algorithm for the estimating of direction of arrival (DOA). As it needs two-dimensional (2D) spectrum peak search which costs a tremendous computational complexity, in this paper, we propose a successive algorithm based on Capon algorithm for non-uniform L-shaped array to...

In recent time, RBAC has gained and kept a dominant stage of AC(access control) in the research area and industry, respectively. Over the time, needs for risk awareness in AC has paid special attention. Even though, role based access control conquers risk via inner features, a quantified method of risk...

Repeat tourism has drawn increased interest among researchers recently. Various aspects of repeat tourism have been studied addressing key issues such as definition, methodology and underlying mechanism. The current article aims to highlight the discrepancies found in the research via a review of existing...

This research is a quantitative ex-post-facto study to explain the SRL profile of junior high school students in online learning. The investigation commenced three days after the establishment of the Covid-19 pandemic. The respondents were taken through random sampling at several schools implementing...

This study aims to describe servant leadership characteristics possessed by leaders of higher education institutions. This is important because higher education institutions as the center of excellence are required to answer the challenges for change demanded by the market, and servant leadership is...

Grounding on the theoretical underpinnings linking the digital economy and tax deviation, an assessment framework is devised. Subsequently, via the two-way fixed-effects model regression, leveraging the balanced panel data of 41 cities in the Yangtze River Delta region spanning from 2011 to 2021, the...

Early Warning System (EWS) at level crossing gates is a system used to provide early warning in the form of signals or lights and siren sounds when a train is approaching crossed. This level crossing is prone to accidents. In order to improve railway security and safety, railway facility detectors have...

This research investigates how Green Human Resource Management (GHRM), Green Entrepreneurial Orientation (GEO), and Green Market Orientation (GMO) influence the Sustainable Performance (SP) of Small and Medium Enterprises (SMEs) in Pakistan’s construction sector. Green Innovation (GI) is examined as...

This study aims to determine the effect of electronic word of mouth (eWOM) on brand attachment on MSME products. The technique used in this research was non-probability sampling with the purposive sampling method. The data collection technique in this research was a questionnaire distributed to 197 respondents...

This investigation probes mechanisms intrinsic to professional development and their influence upon awareness regarding mental well-being and longevity among teachers in China’s vocational institutes. With a mixed-method approach adopted, the study entails both quantitative surveys (N = 302) and qualitative...

As a typical integration of science and engineering, the Applied Chemistry major is crucial for cultivating application-oriented talents via industry-education integration and collaborative education. Taking Kashi University (China’s westernmost university) as a case, this study explores its Applied...

Against the backdrop of China’s 2025 rural revitalization and national digital-literacy initiatives, this study examines how Digital Innovation Literacy (DIL)—a second-order construct of Adolescent Innovation Literacy (AIL) and Innovation Capacity (IC)—shapes perceived social support (SS) among rural...

This study seeks to assess the impact of Knowledge Management on Business Performance via Innovation Performance at Distribution Outlets in Bandung. This study’s population comprises business operators of distribution outlets in the Citarum region of Bandung City, totaling 50 business owners, with the...

The accumulation of environmental soiling, such as dust and grime, is a primary factor in the performance degradation of solar panels, leading to efficiency losses exceeding 25% and significantly curtailing energy output. Manual cleaning methods, while common, are labor-intensive, pose substantial safety...

Islamic Religious Education (PAI) students in Islamic State University (UIN) of Imam Bonjol, Padang are prospective educators in Islamic religious education. To be qualified educators in that discipline, their ability in reading Al-Qur’an must be above average. However, based on the test conducted, only...

Dangdut originally regarded as the lower class. The term dangdut taken from onomatopoetic drum sounds and intentions satire for lower class, but now began to be known and consumed also by the upper class. This cannot be separated from the change and development of dangdut music in the beginning of its...

Uniform BaCO3 nanorods were successfully synthesized by a novel microemulsion-based interfacial diffusion method using a lipophilic organic carbonate (CH3CH2)2CO3 as the precipitating agent. For comparison, two other similar methods, namely interfacial diffusion method in the absence of microemulsion...

The high level of anthropogenic environmental pollution in urban areas leads to the accumulation of the body and the development of diseases. In connection with the foregoing, the study focuses on the features of changing the parameters of systemic hemodynamics in conditions of combined and isolated...

The need for safe distribution of Covid-19 vaccines is indispensable for all parties to minimize the risk of distribution. Vaccine monitoring systems has advantage that officers or supervisors can continuously monitor multiple device such as the temperature, shock and cold box position during the distribution...

General Background: Character education is a central objective of formal education aimed at developing students’ moral values, discipline, and social behavior through structured school systems. Specific Background: Student management serves as an organized approach to regulate and guide student activities...

This investigation explores the intricate relationships between corporate governance structures and firm valuation, with particular emphasis on how financial performance metrics serve as intermediary variables. The research focuses on three primary governance elements: board size, director independence,...

One apparent advantage of Steer-By-Wire (SBW) system is that its road feeling characteristic can be designed freely. Whether the road feeling characteristic is able to be formed effectively depends on the control effect of road feeling motor (RFM). When a RFM is working under the condition of plugging...

High power switching power supply with modularization faces the challenges of equalizing voltage and current between each module. It is difficult to guarantee the reliable equalizing current by controlled equalizing current method while the large current is changing in the arc process of magnetron sputtering....

In the area of water treatment, nanotechnology offers materials that can be used effectively for the detection and removal chemical and biological contaminants from water. In this study silver titanium nanoparticles (AgTiO2) were synthesized using liquid impregnation method for use in waste water treatment....

Community satisfaction is the opinion of the community in obtaining services from public service delivery officials by comparing their expectations and needs. This research aims to determine the influence of ethics and communication on community satisfaction through service quality. To achieve the objectives...

Parental feeding practice is a topic that has developed rapidly over the last three decades because it has a significant impact on the formation of healthy eating habits, optimal nutritional satisfaction, weight control, positive eating patterns, and the development of child’s eating skills. Regretfully,...

Weighted distributions (univariate and bivariate) have received widespread attention over the last two decades because of their flexibility for analyzing skewed data. In this paper, we derive the bivariate and multivariate weighted Kumaraswamy distributions via the construction method as discussed in...

The prior studies are focus on the association between merge and acquisition (M&A) announcement and stockholders’ wealth. There are few studies examining the change in the level of information asymmetry at M&A announcement. Our study, therefore, goes to fill out the aspect. This paper empirically investigates...

Biodegradable materials have attracted the industry with the increasingly global trend of biopolymers of low toxicity and durability. Chitosan is a high molecular weight and charging density naturally organic polyelectrolyte (biopolymer), which is obtained from chitin’s de-acetylation from the crustaceans...

The dynamics of economic, commercial, and technological progress have the potential to produce disagreements among those engaged. Disputes arise as a result of variances in each party’s interests, and one party feels that his or her interests are distinct to those of the other side. One of the most common...

The main reason why Indonesians learn Japanese is because of interest in Japanese comics. However, Japanese comic-based teaching media to meet the needs of these students are still not widely available. This study aims to produce a manga-style comic book (Japanese comics) that prioritizes stories followed...

The project-based collaborative filtering algorithm and matrix decomposition-based ALS collaborative filtering algorithm in the personalized recommendation of e-commerce are analyzed deeply in the paper, the principles of parallelization work are discussed, and the parallelization processes of project-based...

This research is to study the effectiveness of Sports School in Malaysia. Furthermore, this study will identify the deterrent factor of effective practice in a Sports School. To achieve research objectives, questionnaires were distributed to 30 respondents from Sports School in Pahang state. The questionnaire...

The utilization of biomass energy has received increasingly attention. Converting industrial and agricultural production wastes into biomass energy to provide clean and sustainable energy has become a larger trend in energy utilization. Biological chemical conversion method, as one of the methods to...

This study aims to determine the Effect of Food Quality, Personal Interaction Quality, Physical Environment Quality, Perceived Value to Word of Mouth Intention via Customer Experience, Trust, and Commitment in customer of fast food fried chicken restaurant in Jakarta. This study involved 217 customers...

Under investigation in this paper, with symbolic computation, is the Whitham–Broer–Kaup (WBK) system for the dispersive long waves in the shallow water small-amplitude regime. N-fold Darboux transformation (DT) for a spectral problem associated with the WBK system is constructed. Odd-soliton solutions...

Indonesians are subliminally introduced to zero-waste and motivated to adopt net-zero practices to diminish carbon emissions. This notion is conveyed through startup apps for online transportation, facilitating increased community involvement. A tangible illustration of this can be observed when a patron...

In this paper, we present a new algorithm for visually significant feature points detection for efficient image indexing and retrieval. We propose a hybrid feature point detector based on edge maps obtained via spatial and wavelet methods. Proposed method is compared with other existing interest point...

Nowadays, tissue-engineering was important and popular which combine medical applications and engineering materials knowledge, just like cell extraction process was employed to remove the cellular components from porcine dermal, leaving a framework of largely insoluble collagen, elastin, and tightly...

This paper argues for a more robust and flexible framework to develop the Tourism Prosperity Index (TPI), one which is able to forecast supply and demand for a destination. However, the adoption of indicators and cycle selection address challenge when researchers attempt to include them in the forecasting...