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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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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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The relationship of agricultural land use and nutritional loading in the Ca River basinsThe purpose of this research is to determine the relationship between the land area in the agricultural watershed and the nutrient load in the Ca River basin. Eight sampling sites in the Ca River... Author: Le Huu Tien, Ha Thanh Thi Kim, Ho Phuong Thi, Nguyen Tien Xuan Keyword: Ca River nutrient load agriculture water quality
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Study of the impact of timer on network conference and CPU processing performance when implementing OSPF-v3 in IPv6 networkNowadays, the Open Shortest Path First (OSPF) routing protocol is very commonly used in IPv6 network infrastructure. OSPF uses a variety of Timers to reduce the number of Overhead messages. These... Author: Hiep L H, Viet Ho Mau, Quy Duong Thi, Yen Tran Thi, Bich Nga Nguyen Thi, Tuan Nguyen Quoc Keyword: OSPF Timer network convergence CPU performance convergence time OSPFv3 protocol.
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Challenges faced by EFL university students in online English speaking classes at Vinh University during the Covid-19 periodDuring 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
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Multi-frequency group velocity control of light in Rb atomic gas under an external magnetic fieldThe control of light group velocity via electromagnetically induced transparency (EIT) has opened up potential applications in photonic technologies such as information encoding, quantum processing,... Author: Anh Lê Nguyễn Mai Keyword: electromagnetically induced transparency light group velocity external magnetic field four-level degenerate excitation configuration
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Signs of innovation in Nghe Tinh agriculture during the period 1976-1986Between 1976 and 1980, Nghe Tinh's economy faced numerous difficulties and challenges, especially in agriculture, which remained stagnant and in crisis. Farmland was left uncultivated, and farmers... Author: Nga Mai Thị Thanh, Hung Nguyen Sy, Minh Le Duc Keyword: Economic reform signs of innovation agriculture Nghe Tinh
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The impact of cash conversion cycle on the profitability of food and beverage companies in Vietnam: Commentary from quantitative analysisThis research paper focuses on examining the relationship between the cash conversion cycle (CCC) and the profitability of Food and Beverage (F&B) companies in Vietnam by utilizing quantitative... Author: Nguyên Lê Trần Khôi, Thảo Phạm Phương, Anh Nguyễn Đức, Khánh Tạ Ngọc, Hoàng Lê Nhật Keyword: Cash conversion cycle Food and Beverage companies Profitability Quantitative research Return on Assets Vietnam
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Study on the effect of temperature on the operation of the Panasonic NCR-18650b electric vehicle batteryThis 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
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Students' references for extracurricular activities on campus: A case study at Vinh UniversityThis study was conducted to investigate the students’ preferences for extracurricular activities on campus and influencing factors. 210 students participated in the research, from three major groups... Author: Le Hanh Thi Tuyet, Giang Nguyen Ha, Binh Le Thai Keyword: Extracurricular activities students’ preferences activities on campus Vinh University.
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