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1

The effects of tray density and care regimes on growth and survival rate of snout otter clam

This study aims to identify suitable density of suspended trays and care regime, which was conducted from February to November 2022 at Tay Van Boi, Lan Ha Bay, Cat Ba, Cat Hai - Hai Phong to improve...

Author: Cao Giang Trường, Le Linh Thi, Tran Muu The, Tran Thuy Thi, Nguyen Thuy Thi Bien, Le Khoi Van, Nguyen Tuan Duc, Tran Minh Thi Nguyet, Thi Lua Dang, Cao Hanh Van, Hoang Son Nhat, Nguyen Phuong Thi Dieu, Nguyen Cuong Manh, Vu In Van, Vu Sang Van, Thai Binh Thanh, Vu Tam Cong, Le Dung Viet, Trinh Khuyen Dinh

Keyword: Otter clam survival rate Lutraria rhynchaena density care regimes

2

Educational cooperation at the university level between Vietnam and Korea from 1992 to 2023

Vietnam and South Korea officially established diplomatic ties on December 22, 1992. Over the past 30 years, the relationship between the two countries has developed rapidly, with extensive...

Author: Vân Phan Thị Cẩm

Keyword: Educational cooperation university level Vietnam Korea

3

The impact of cash conversion cycle on the profitability of food and beverage companies in Vietnam: Commentary from quantitative analysis

This research paper focuses on examining the relationship between the cash conversion cycle (CCC) and the profitability of Food and Beverage (F&B) companies in Vietnam by utilizing quantitative...

Author: Nguyên Lê Trần Khôi, Thảo Phạm Phương, Anh Nguyễn Đức, Khánh Tạ Ngọc, Hoàng Lê Nhật

Keyword: Cash conversion cycle Food and Beverage companies Profitability Quantitative research Return on Assets Vietnam

4

Study to build a warning and monitoring system for smart home through mobile devices

This paper focus on developing a system which can monitors and warns parameters such as ultraviolet rays, gas, indicators of weather environment or the root conditions of explosion that outbreaks in...

Author: Hiep L H

Keyword: Smart home; monitoring system; alert system; support system; detection system

5

Self-couplings of gauge bosons in 3-3-1 models

In this work, we will present detailed calculations to derive the exact formulas of the triple and quartic self-couplings of all gauge bosons predicted by the general 3-3-1 model with an arbitrary...

Author: Hue Le Tho, Hong Trinh Thi, Bich Pham Thi, Ngan Nguyen Thi Kim

Keyword: Gauge boson coupling; gauge extension of the standard model; exotic gauge boson

6

Difficulties in English speaking skills faced by English-majored students at Vinh University

This paper discusses the difficulties and solutions perceived by English-majored students when it comes to developing their speaking skills. To uncover and analyze these problems, one hundred...

Author: Nguyen Dang Thi

Keyword: English speaking skills learning English-majored students Vinh University

7

BiDAF model in sentiment analysis task

Sentiment analysis is a critical job in natural language processing. Controlling and evaluating customer feedback on their goods is a task that companies are especially interested in. For reading...

Author: Huế Lương Thị Minh

Keyword: Natural language processing; LSTM; deep learning; machine learning; BiDAF.

8

Challenges faced by EFL university students in online English speaking classes at Vinh University during the Covid-19 period

During the Covid-19 pandemic, many universities switched rapidly to the online learning mode to maintain the continuity of the teaching and learning process. This explanatory mixed- methods study was...

Author: Le Hanh Thi Tuyet

Keyword: Challenges online learning English speaking Covid-19

9

Seasonal variation of surface water quality in the mainstream and tributaries of the Ca River Basin

The purpose of research is to assess the seasonal changes of water quality in mainstream and in specific tributaries in the Ca River Basin. Water samples were collected in the dry season (May 2021)...

Author: Phuong Ho Thi, Kim Thanh Ha Thi

Keyword: Water quality; nutrients; eutrophication; Ca River

10

On constant rank-type constraint qualifications for second order cone programs in two-dimensional spaces

In this paper, we study the relationship between the constant rank-type constraint qualifications for nonlinear second-order cone programs, which was recently developed by R. Andreani et al. ([2],...

Author: Hien Le Van

Keyword: Constant rank-type constraint qualifications; CRCQ; weak-CRCQ; seq-CRCQ; second-order cone programming.

Vinh University journal of science

Tạp chí khoa học Trường Đại học Vinh

ISSN: 1859 - 2228

Governing body: Vinh University

  • Address: 182 Le Duan - Vinh City - Nghe An province
  • Phone: (+84) 238.3855.452 - Fax: (+84) 238.3855.269
  • Email: vinhuni@vinhuni.edu.vn
  • Website: https://vinhuni.edu.vn

 

License: 163/GP-BTTTT issued by the Minister of Information and Communications on May 10, 2023

Open Access License: Creative Commons CC BY NC 4.0

 

CONTACT

Editor-in-Chief: Assoc. Prof., Dr. Tran Ba Tien
Email: tientb@vinhuni.edu.vn

Deputy editor-in-chief: Dr. Phan Van Tien
Email: vantienkxd@vinhuni.edu.vn

Sub-Editor: Dr. Do Mai Trang
Email: domaitrang@vinhuni.edu.vn

Editorial assistant: Msc. Le Tuan Dung, Msc. Phan The Hoa, Msc. Pham Thi Quynh Nga, Msc. Tran Thi Thai

  • Address: 4th Floor, Executive Building, No. 182, Le Duan street, Vinh city, Nghe An province.
  • Phone: (+84) 238-385-6700 | Hotline: (+84) 97-385-6700
  • Email: editors@vujs.vn
  • Website: https://vujs.vn

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