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Seasonal variation of surface water quality in the mainstream and tributaries of the Ca River BasinThe purpose of research is to assess the seasonal changes of water quality in mainstream and in specific tributaries in the Ca River Basin. Water samples were collected in the dry season (May 2021)... Author: Phuong Ho Thi, Kim Thanh Ha Thi Keyword: Water quality; nutrients; eutrophication; Ca River
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On constant rank-type constraint qualifications for second order cone programs in two-dimensional spacesIn this paper, we study the relationship between the constant rank-type constraint qualifications for nonlinear second-order cone programs, which was recently developed by R. Andreani et al. ([2],... Author: Hien Le Van Keyword: Constant rank-type constraint qualifications; CRCQ; weak-CRCQ; seq-CRCQ; second-order cone programming.
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UPPER CENTRAL EXPONENT OF LINEAR STOCHASTIC DIFFERENTIAL ALGEBRAIC EQUATIONS OF INDEX 1We introduce the concept of upper central exponent of linear stochastic differential algebraic equation of index 1. We prove that upper central exponent is nonrandom and larger or equal to the top... Author: Nguyen The Thi Keyword: Lyapunov exponents central exponents Stochastic differential equations Stochastic differential algebraic equations
of index 1 two-parameter stochastic flow.
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Antioxidative response of Arachis hypogaea L. cv. CNC1 under drought conditionThe current study was carried out to assess the antioxidative expression of the CNC1 peanut cultivar in drought condition. The oxidative stress with a burst of O2.- and H2O2 in peanut leaves resulted... Author: Chung Mai Van, Oanh Dang Kim, Dien Nguyen Duc Keyword: peanut CNC1 drought antioxidative response
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Mathematical modelling in teaching Mathematics in general education in Vietnam: practices, barriers and development directions through systematic assessmentMathematical modelling has been widely applied in mathematics education worldwide, yet its implementation in Vietnamese secondary schools faces multiple challenges. This study conducts a systematic... Author: Hang Nguyen My, Hiếu Nguyễn Ngọc, Phương Thảo Nguyễn Thị Keyword: Mathematical modelling trends influencing factors PRISMA
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Description of the tadpoles of Leptobrachium chapaense (Bourret, 1937) in Pu Luong Nature Reserve, Thanh Hoa ProvinceThis study provides morphological data on the tadpoles of Leptobrachium chapaense (Bourret, 1937), based on specimens collected from the Pu Luong Nature Reserve (NR), Thanh Hoa Province, Vietnam. The... Author: Vinh Dau Quang, Hang Vi Thuy, Thao Hoang Ngoc Keyword: Tadpole metamorphosis Leptobrachium chapaense Pu Luong Nature Reserve
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Application of mitochondrial DNA barcoding (16S rRNA and COI genes) for species identification of frogs collected from Vinh market, Nghe An provinceAccurate identification of animal species originating from food markets is essential in trade monitoring, biodiversity conservation, and the sustainable use of biological resources. In Vietnam, frogs... Author: Thảo Nguyễn Thị Keyword: DNA barcoding Hoplobatrachus rugulosus COI 16S rRNA frog
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New records and update list species of turtles in Pu Luong Nature Reserve, Thanh Hoa provinceThe paper provides morphological data of three turtle species: Black-breasted Leaf Turtle Geoemyda spengleri (Gmélin, 1789), Impressed Turtle Manouria impressa (Günther, 1882), and Big-headed Turtle... Author: Vinh Dau Quang, Ly Do Thi, Thao Ha Thi, Quynh Le Thi, Thao Ha Thi, Phuong Le Thi Thu, Phuong Le Đinh Keyword: Morphological turtles new distribution Pu Luong
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The effects of tray density and care regimes on growth and survival rate of snout otter clamThis study aims to identify suitable density of suspended trays and care regime, which was conducted from February to November 2022 at Tay Van Boi, Lan Ha Bay, Cat Ba, Cat Hai - Hai Phong to improve... Author: Cao Giang Trường, Le Linh Thi, Tran Muu The, Tran Thuy Thi, Nguyen Thuy Thi Bien, Le Khoi Van, Nguyen Tuan Duc, Tran Minh Thi Nguyet, Thi Lua Dang, Cao Hanh Van, Hoang Son Nhat, Nguyen Phuong Thi Dieu, Nguyen Cuong Manh, Vu In Van, Vu Sang Van, Thai Binh Thanh, Vu Tam Cong, Le Dung Viet, Trinh Khuyen Dinh Keyword: Otter clam survival rate Lutraria rhynchaena density care regimes
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Educational cooperation at the university level between Vietnam and Korea from 1992 to 2023Vietnam and South Korea officially established diplomatic ties on December 22, 1992. Over the past 30 years, the relationship between the two countries has developed rapidly, with extensive... Author: Vân Phan Thị Cẩm Keyword: Educational cooperation university level Vietnam Korea
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