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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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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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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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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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Generating random terrains in 3D games by an approximated version of Gaussian processCreating a 3D terrain or a wave surface takes a lot of time for a graphic artist in the 3D game creation process. This problem poses the following computer requirements: the generated terrain surface... Author: Vo Van Nhan, Viet-Hung Dang Keyword: Gaussian process (GP); 3D terrain.
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New records of birds from the high mountain area southwest of Nghe An province, VietnamThe studies on the birds in western Nghe An as well as shouthwestern Nghe An have been carried out for a long time by numerous authors, mainly in national parks and nature reserve such as Pu Mat, Pu... Author: Ong An Vinh Keyword: New records Pu Mat Pu Xai Lai Leng Western Nghe An Biosphere Reserve.
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Integrate deep neural network and support vector machine to improve the quality of voice processing in internet of things devicesAlong with the development of science and technology, especially internet of things (IOT), IOT-related products increasingly contribute to improving people’s life. Among those products, it is... Author: An Nguyễn Năng Keyword: Deep learning voice recongnition I-vector Internet of Thing.
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Garbage classification using deep learning technologyGarbage classification has always been an important issue in environmental protection, resource recycling, and social livelihood. However, garbage classification takes a lot of time and effort.... Author: Ngo Huu-Huy, Bui Tung Van, Le Linh Hung, Nguyen Minh Duy Keyword: Artificial Intelligence; convolutional neural network; deep learning; garbage classification; machine learning.
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The effect of temperature on refractive index of Carbon disulfideIn this paper, the effect of temperature on the refractive index of Carbon disulfide liquid based on the influence of temperature on the Sellmeier coefficient has been presented. The effect of... Author: Tien Dung Nguyen Keyword: Refractive index; Carbon disulfide; thermo-optics.
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Using altach 5EC to treat the roots of Allium fistulosum L. contributing to improving the effectiveness of the “Chromosomal structural mutations” exercises in Genetics - Evolution at Biology Department, Vinh UniversityIn this study, a commercial insecticide, Altach 5EC, has been used to investigate its cytotoxic effects on chromosomes and mitosis of cells in the root tip of Allium fistulosum L. The result indicated... Author: Thao Nguyen Thi Keyword: Allium fistulosum L.; chromosome mutations; commercial insecticide; index mitosis.
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