Investigative articles

A hydatidiform mole is characterized by the abnormal proliferation of syncytiotrophoblast and replacement of normal placental trophoblastic tissue by hydropic placental villi. This study aims to investigate the characteristics of uterine artery doppler sonography in hydatidiform mole and assess its predictive value for spontaneous remission.

6p vihizuzen 26-05-2025 0 0   Download

To evaluate exercise capacity using the 1-minute sit-to-stand test (1MSTST) and investigate factors related to the results of the 1MSTST in patients with chronic obstructive pulmonary disease (COPD). Methods: A cross-sectional study was conducted on 61 stable COPD patients being hospitalized at Hue University of Medicine and Pharmacy Hospital. Clinical characteristics were collected, and the 1MSTST was performed. The data were analyzed to study factors related to the results of the 1MSTST.

8p vihizuzen 26-05-2025 1 1   Download

To learn about some clinical and histological characteristics of bladder cancer, as well as investigate about some factors related to muscle-invasion in newly diagnosed bladder cancer. Subject and method: A descriptive retrospective study was conducted on 416 patients with newly diagnosed bladder cancer who underwent transurethral resection of bladder tumor within 6 years from 2018 to 2023 at 108 Military Central Hospital.

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Levofloxacin (LEV) is the common quinolone antibiotic and a practical option in H. pylori eradication regimens. The LEV resistance can be acquired through variant sequences of a gyrA. This study investigated the correlation between gyrA genetic diversity and LEV resistance in H. pylori.

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In this study, the seismic response of a container crane under a ground motion was investigated by using shake table testing on a 1/20 scale container crane. The 1/20 scale container crane was designed and fabricated according to the similitude laws, utilizing three independent quantities such as geometric length, acceleration, and elastic modulus were used to design the 1/20 scale container crane.

9p vijiraiya 19-05-2025 1 1   Download

This study investigates the vocabulary learning practices of 50 non-English major university students, focusing on their study frequency, preferred learning methods, and perceived effectiveness. The findings reveal that only 15 out of 50 students engage in self-study at home, with 6 students maintaining a daily learning routine.

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This study investigates the factors affecting students' intention to participate in training and development programs on Digital and Technological skills at Can Tho University of Technology. Using a survey of 339 students, the study employs reliability testing, exploratory factor analysis (EFA), and Partial Least Squares Structural Equation Modeling (PLS-SEM) to analyze the data.

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Currently, permanent magnet synchronous motors with on-line starting are being increasingly researched and applied to partialy replace squirrel cage asynchronous motors, which are commonly used. The reason is that these motors have many advantages such as high efficiency, and high power factor value, stable speed, higher power density compared to induction motors, and the ability to self-start.

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As our world continues to evolve and education reforms are in progress, teacher change has become a focal point of attention. Teachers need to adapt themselves to meet new demands. This study examines teachers' changes due to their engagement in professional development. The study involved thirty-two English as a foreign language teachers from two universities in the Mekong Delta, Vietnam.

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This study aims to investigate the integration of social-emotional competences in the pre-service EFL teacher education curriculum of a pedagogical university in Vietnam. Document analysis was utilized and data analysis results show that although social-emotional competences are significantly represented in the curriculum, they are largely implicit and unevenly distributed across the five core social-emotional competences as well as their specific skills.

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The research findings are expected to inform EFL teacher trainers and educators of the value and significance of investigating and understanding PTs’ beliefs about DI to shed light on the field of EFL teacher training and development.

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Legal English is characterized by complex vocabulary, including derivational, semantic, and syntactic challenges, as well as the cultural and historical nuances embedded in legal terminology. This study investigated the challenges faced by legal English major students learning legal English, particularly focusing on legal lexicology.

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This study investigated the application of artificial intelligence tools in enhancing the speaking skills of non-English major students at a university in Hanoi - Hanoi University of Civil Engineering. The study employed a mixed-methods approach, including experiments, surveys, and interviews to evaluate the impact of AI tools such as speech recognition and feedback systems.

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This study examines classroom interaction in English-speaking lessons at a high school, with primary objectives of (i) identifying the predominant interaction patterns and (ii) analyzing how these interactions occur in relation to teacher talk and student spoken output.

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Artificial intelligence has rapidly been integrated into education, which has substantially impacted academic writing, especially among EFL students. This study investigates Vietnamese EFL students’ artificial intelligence literacy and tool usage for writing, and the correlation between these two aspects. A quantitative study using a questionnaire was conducted with 214 English major students at a private university.

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The objective of this qualitative research is to investigate the intricate role that peer support plays in enhancing the outcomes of English language acquisition. The study conducts in-depth interviews with six students to EFL students' perspectives of peer support in English language learning.

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Sperm preparation is a technique to select good quality sperm for sperm freezing and artificial insemination. This study investigated the effects of swim-up time and concentration gradient centrifugal force on the quality of Boer goat sperm.

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This study investigates the relationship between LCC expansion and international tourism demand, while also identifying key factors that influence tourism demand in ASEAN countries. Utilizing panel data from seven ASEAN member nations in the period 2010 to 2022, the analysis is conducted through a regression model.

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This study investigates the impact of Omotenashi and cultural familiarity on perceived authenticity at Japanese ethnic restaurants in Vietnam. Employing 2x2 between-subjects experimental design, the study manipulated Omotenashi-style service and assessed cultural familiarity among participants, second-year students at The University of Danang - University of Economics.

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Heatwaves pose a threat to public health in Vietnam, and unprecedented heatwaves have been recorded in Thua Thien Hue province over recent years. Objective: This study aimed to examine the knowledge, attitudes, and practices (KAP) regarding self-protection and response to heatwaves among residents in some Thua Thien Hue province communes and investigate their associated factors.

8p vijiraiya 19-05-2025 1 1   Download