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.

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

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

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 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.

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.

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

This paper focuses on the research and development of an automated beverage mixing system. By applying modern Internet of Things (IoT) technology and information technology, the system incorporates...

Author: Phuong Hoang Thi

Keyword: Beverage making machine beverage mixing sensors smart robot Internet of Things

The research was conducted to complete technological protocol of biomass production of algae Nannochloropsis oculata with both culture methods in plastic bags and photo-bioreactor systems. The results...

Author: Thiet Chu Chi, Thuy Nguyen Thi Le, Anh Tran Thi Ngoc, Cuong Ho Viet, Dung Pham My, Thanh Nguyen Thi

Keyword: Nannochloropsis sp aquatic food functional foods