The purpose of this research is to examine the change in water resources over the previous 50 years in the Lam River basin (also known as the Ca River) in Nghe An province, an important water resource...

Author: Nguyen Tien Xuan

Keyword: Ca River water resources Lam River

This paper focuses on researching and developing a smart security lock system using artificial intelligence, specifically facial recognition technology combined with the Internet of Things (IoT) to...

Author: Hien Tran Thi, Hang Dao Thi, Phi Pham Van

Keyword: Artificial Intelligence Face Recognition Raspberry Pi Smart Lock Internet of Things

This paper establishes a mean convergence theorem for triangular arrays of rowwise and pairwise mn-dependent random variables. Some authors studied limit theorems for sequences of pairwise m-dependent...

Author: Thanh Le Van, Pham Nhu Y

Keyword: Convergence in mean Pairwise mn-dependence Uniform integrability in the Cesàro sense Triangular array of random variables.

In the feeding condition in Cua Lo Town, Nghe An province, Viet Nam, adult Ptyas mucosa (P. mucosa) operates seasonally and day and night with the rule: The active season is from March to December and...

Author: Ong Vinh An, Dang Huy Huynh, Hoang Xuan Quang

Keyword: Cua Lo Town Vietnam Ptyas mucosa.

This paper investigates the impact of spontaneously generated coherence (SGC) and relative phase on the propagation of a probe laser pulse in the presence of an incoherent pump field. It was...

Author: Hoang Dong Minh, Nguyen Bang Huy, Le Doai Van, Luong Nga Yen Thi, Nguyen Hien Thi Thu

Keyword: all-optical switching EIT medium quantum interference three-level ladder system

A broadband and lightweight polarization converter is proposed for applications in the THz frequency region. The proposed design has a metasurface structure with the dielectric layer modified to a...

Author: Minh Nguyen Thi, Lam Phan Huu, Quang Nguyen Hong, Nghia Cao Thanh, Minh Luong Ngoc, Kim Thu Nguyen Thi, Minh Tam Nguyen Thi, Huyen Thuong Ho Thi, Lam Vu Dinh, Quynh Hoa Nguyen Thi

Keyword: Metasurfaces broadband cross polarization converter THz frequency lightweight

Currently, diode lasers in the red wavelength region, especially at 650 nm, are extensively utilized in phototherapy and photodynamic inactivation of bacterials by numerous research groups in the...

Author: Phuong Nguyen Thanh, Luong Bac Huu, Quan Nguyet Thi Minh, Do Thoa Thi Kim, Nguyen Trung Ngoc, Tran Tien Quoc, Tong Cong Quang

Keyword: Radiation redirection module 650 nm diode laser phototherapy photodynamic inactivation of bacterials.

Research on antimicrobial activity of essential oils from leaf of Syzygium tsoongii, Syzygium bullockii and Syzygium zeylanicum in Ha Tinh Province showed that essential oils from leaves of three...

Author: Khanh Tran Hau

Keyword: Antimicrobial activity; Ha Tinh; Syzygium bullockii; Syzygium tsoongii; Syzygium zeylanicum

This paper is concerned with the ability of natural products such as vinegar, tea, okra, lemon juice, grapefruit peel essential oil, and baking soda to prevent mold growth on bamboo and wood...

Author: Lê Thị Mỹ Châu

Keyword: Bamboo and wood materials anti-mold household appliances and bio-based products.

In this paper, we develop a supportive device to monitor the rehabilitation exercise process for people with disabilities to use their hands. The prototype is designed to include a resistance cable...

Author: Dien Hong Ha Thi

Keyword: Medical assistance device training rehabilitation robotic rehabilitation Internet of Things