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

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.

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

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

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.

We introduce the concept of upper central exponent of linear stochastic differential algebraic equation of index 1. We prove that upper central exponent is nonrandom and larger or equal to the top...

Author: Nguyen The Thi

Keyword: Lyapunov exponents central exponents Stochastic differential equations Stochastic differential algebraic equations of index 1 two-parameter stochastic flow.

The current study was carried out to assess the antioxidative expression of the CNC1 peanut cultivar in drought condition. The oxidative stress with a burst of O2.- and H2O2 in peanut leaves resulted...

Author: Chung Mai Van, Oanh Dang Kim, Dien Nguyen Duc

Keyword: peanut CNC1 drought antioxidative response

The study was conducted through seven surveys from October 2021 to July 2023, in five estuaries of Thanh Hoa province, including Cua Hoi, Lach Truong, Lach Ghep and Lach Bang. As a result, 5 species...

Author: Thu Trịnh Thị, nam Nguyễn Thành, Thảo Hoàng Ngọc

Keyword: Terapontidae Centrarchiformes brackish water Thanh Hoa province

The new generation mobile network 5G has become the main technology foundation in the architecture of the Internet of Things (IoT). In particular, millimeter wave communication technology in 5G is the...

Author: DUNG NGUYEN QUOC

Keyword: Internet of Things millimeter Wave 5G Network Network Simulator NS-3

This paper focuses on studying the influence of temperature on the working process of Panasonic NCR-18650B electric vehicle battery. Through the Matlab - Simulink simulation tool, the effects related...

Author: Anh Nguuyen Phi Cuong, Hieu Le Duc, Minh Luong Ngoc

Keyword: Panasonic NCR-18650B battery charging - discharging process state of charge effect of temperature electric vehicle