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A simple design of broadband cross-polarization converter for the THz frequency rangeA 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
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Antimicrobio activity of esential oils from leaf of Syzygium tsoongii (Merr.) Merr. & Perry, Syzygium bullockii (hance) Merr. & Perry and Syzygium zeylanicum (L.) dc. in Ha Tinh ProvinceResearch 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
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A mean convergence theorem for triangular arrays of rowwise and pairwise mn -dependent random variablesThis 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.
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Regular activities of adult Ptyas mucosa (Linnaeus, 1758) in a farming conditions of Nghe An province, Viet NamIn 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.
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Realization of 650 nm fiber-coupled diode lasers module with output beam redirection for application in phototherapy and photodynamic inactivation of bacterialsCurrently, 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.
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Influence of spontaneously generated coherence and related phase on an all-optical switching in a three-level ladder-type system with incoherent pumpingThis 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
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Designing an automatic beverage mixing system based on the Internet of Things
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
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Biomass production of algae Nannochloropsis oculata at large scale in Quynh Luu Distric, Nghe An Province
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
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Developing a supportive device for wrist injury rehabilitation trainingIn 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
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Studying the drug use characteristics and commenting on the results of cerebral infarction treatment at Nghe An General Friendship Hospital Stroke Center in 2023With the desire to fully understand the use of drugs in the treatment of ischemic stroke to improve treatment effectiveness as well as safety for patients, the article presents the results of research... Author: Soa Đặng Thị, Hằng Nguyen Thu, Thuy Vu Thi Keyword: Ischemic stroke cerebrovascular accident thrombolytic therapy.
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