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In order to build a vocational practice program for students majoring in preschool education at the college level according to the connection model between pedagogical schools (colleges of preschool education) and kindergartens (preschools), the authors have the study in 2 years (from 2023 to 2024) based on previous studies by many different authors and the authors ourselves.

12p vimitsuki 30-03-2025 0 0   Download

This work reports the deposition of a dense α-Ta and β-Ta films to enhance the surface hardness and biocompatibility of Ti by applying a different negative substrate bias during direct current (DC) sputtering. When a Ta film was deposited with a negative substrate bias voltage of 70 V, the microstructure of the film exhibited a single β-Ta phase.

8p vimitsuki 30-03-2025 0 0   Download

ZnO nanostructures have been fabricated by annealing zinc acetate dihydrate at different temperatures (Tan). Thermogravimetric analysis, and XRD and Raman studies indicate ZnO crystals formed at above 250oC.

15p vimitsuki 30-03-2025 2 0   Download

In this work we studied the robust stability for implicit integro-dynamic equations on time scales with nabla derivative, which is considered as a generation of differential algebraic equations and implicit difference equations. We showed the reservation of exponential stability of these equations under small Lipschitz perturbations.

11p vimitsuki 30-03-2025 0 0   Download

Lecture "Machine learning: An introduction to data classification" includes content: Introduction, common techniques in data classification, handing different data types, variations on data classification.

26p myhouse06 24-03-2025 0 0   Download

This article presents the establishment of the relationship between the maximum wall thinning and the relative height of the product during the free deformation stage in sheet hydrostatic forming of stainless steel SUS304. The numerical simulation and experiment are carried out using different input parameters for comparison and evaluation.

13p viyuhi 26-03-2025 2 0   Download

For robots, crawling through curved or redirected pipe sections with different pipe diameters to inspect and survey pipes is quite a difficult task. To solve this problem, in this article we propose a new pipe inspection robot model that is a combination of rigid mechanical structures with a soft body to ensure the robot moves smoothly and is flexible.

16p viyuhi 26-03-2025 2 0   Download

This study seeks to understand if the direct effect of ESG reporting on corporate social responsibility (CFR) is positive and differs between firms in more CSR-sensitive industries and firms in less CSR-sensitive industries that a firm is categorized into, during the early years of the green and digital twin transition.

12p viyuhi 26-03-2025 4 1   Download

This study aims to assess the applicability of Miller and Modigliani’s Dividend Irrelevance Theory in Vietnam and Singapore from 2018 to 2022. By comparing and contrasting results from the two markets, the research seeks to offer insights into potential similarities and differences, enriching academic understanding while providing valuable, updated information for executives and investors for informed dividend and investment decision-making.

11p viyuhi 26-03-2025 1 1   Download

This study investigated the influence of culture media and culture time on the antioxidant and α-glucosidase inhibitory activities of the methanol extract obtained from the mycobiont of Graphis handelii. Different culture media, including MIX, PDA, and SAB4%, were employed to culture the mycobiont, and the biomass was harvested during different culture periods (4, 8, and 12 weeks).

9p viaburame 14-03-2025 0 0   Download

The present study provides information on the otolith morphometry of nine species of gobies (in three families, i.e., Eleotridae, Gobiidae, and Oxudercidae) caught in the Ba Lat estuary of the Red River in 2019. Otolith morphology of species in one family resembles, but it is clearly different between species in the same genus.

10p viaburame 14-03-2025 2 0   Download

The research was carried out on the composition and distribution characteristics of the butterfly species (Lepidoptera: Rhopalocera) in different habitats (residential habitat and agricultural land; stream, grassland, and shrub habitat; and natural forest habitat) in Co Lung commune, Pu Luong nature reserve, Ba Thuoc district, Thanh Hoa province.

9p viaburame 14-03-2025 0 0   Download

This study investigates the challenges second-year English language students face in developing listening comprehension skill. Through a questionnaire survey, the research identifies key obstacles such as limited vocabulary, unfamiliar accents, cultural differences, and the speed of speech, all of which hinder effective listening.

7p viaburame 14-03-2025 2 1   Download

In this paper, we will prove a uniqueness theorem for meromorphic functions with finite growth indices on a complex disc sharing some small functions with different multiplicity values. Intersecting points between these mappings and small functions with multiplicities more than a certain number do not need to be counted.

10p viaburame 14-03-2025 3 1   Download

This paper endeavours to give an analysis of contractual liability under the 2005 Vietnamese Commercial Law from the perspective of the CISG. By highlighting similarities and differences, the article aims to provide insights for Vietnamese businesses and judicial bodies in selecting and applying appropriate laws for contract formation, execution, and dispute resolution.

6p tuongmotranh 18-03-2025 3 1   Download

This study presents the development of an automatic electrical fault detection system for inductors, aimed at enhancing cost-effectiveness and reducing risks for businesses. First, the paper provides the structure, standards, and technical parameters of different types of inductors.

6p viaburame 14-03-2025 9 1   Download

The study aims to suggest new criteria for quality digital books as a guide for publishing and selecting eBooks for primary students. The study uses qualitative research methods to analyze the current different sets of criteria for children’s ebooks from a variety of theories and the currently published ebook platforms.

11p viaburame 14-03-2025 6 1   Download

The paper builds a computational model of a multisubcarrier free space optic, a variant of the Subcarrier Intensity Modulation Free Space Optic (SIM-FSO), establishes algorithmic flowcharts, writes a computational program to investigate the system performance under various modulation methods, air turbulence levels and different numbers of subcarriers and data rates.

6p viaburame 14-03-2025 6 1   Download

In this study, one analytical procedure was established for simultaneous determination based on UV-Vis spectrometry coupled with several multivariate linear regress solved by Python – an open language programme to quantify three antibiotics, including TET, PGP, and CEX, in laboratoryprepared synthetic and pharmaceutical mixtures. This study also provided a universally analytical procedure for determining the three antibiotics in their pharmaceutical forms without the need for optimization for each analyte.

5p viyoko 01-10-2024 5 0   Download

In the present work, CeO2 with different loading was embedded on reduced graphene oxide (rGO) by a simple one-pot hydrothermal method. The synthesized samples were characterized using XRD, EDX mapping, FESEM, and UV-Vis DRS techniques.

11p vifilm 11-10-2024 3 1   Download