Vol. 1 No. 2 (2022): HPU2.Nat.Sci.Tech

Natural Sciences and Technology

• Some notes on the dynamic behavior of COVID-19 epidemic disease governed by modified SEIR epidemic model with saturated treatment function

  Thanh-Dung Dao , Van-Huy Kieu , Hong-Ngat Kieu Thi , Chi-Nguyen Nguyen , Thu-Huyen Dinh Thi

  3-23

  • PDF (Tiếng Việt)

• Research on flavonoids collection, activity assay and initial steps to create tea from Camellia tamdaoensis Hakoda et Ninh

  Khanh-Hung Nguyen, Phuong-Linh Pham, Bao-Khanh Lo Thi, Xuan-Phong Ong, Thi-Thuong Ngo, Kim-Dung Le, Viet-Hong La

  24-31

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• Molecular docking and ADMET studies of soluble epoxide hydrolase inhibitors from the leaves of Paederia foetida L.

  Quang-Huan Duong, Minh-Quan Pham, Hong-Minh Pham Thi, Thuy-Huong Le Thi, Viet-Hai Ha, Ngoc-Linh Nguyen, Thi-Mien Tran, Panyakeo Yuenf, Van-Dung Nguyen, Anh-Hung Nguyen

  32-43

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• Chemical Constituents from the Whole Plant of Scutellaria indica

  Truong-Nhan Ngu, Dao-Cuong To, Thao-Vy Trinh Ngoc, Bich-Hanh Dam Thi

  44-51

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• Antifungal activity of purple amomum (Amomum longiligulare T.L. Wu) plant extracts against Fusarium oxysporum Schlecht. and Helminthosporium sativum P. K. & B.

  Elena-Anatolyevna Kalasnikova, Rima-Norikovna Kirakosyan, Van-Quyet Khuat, Minh-Tam Ha, Thanh-Hai Nguyen

  52-62

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• Taxonomical characteristics of Dysoxylum Blume in Vietnam

  Minh-Tam Ha, Ngoc-Ha Nguyen, Thanh-Hoa Mai

  63-67

  • PDF (Tiếng Việt)

• Euclidean distance degree of zero-set of two polynomials

  Thu-Thuy Pham

  68-75

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• Chemical constituents of the methanol extract of Hibiscus sabdariffa (Linn) seeds

  Thanh-Tung Phan, Hoang-Khang Le, Thuy-Duong Ngo Thi, Hoang-Long Ngo, Kim-Thuy Tran, That-Quang Ton

  76-80

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• Necessary optimality conditions for approximate Pareto efficient solutions of nonsmooth fractional interval-valued multiobjective optimization problems

  Huy-Hung Nguyen, Ngoc-Tuan Hoang, Van-Tuyen Nguyen

  81-90

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• Chemical composition and anti-acetylcholinesterase, nitric oxide suppressing activities of Piper betle leaves oil

  Kim-Chi Nguyen, Ngoc-Hiep Nguyen Thi, Anh-Hung Nguyen, Thuy-Van Do Thi

  91-96

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• Chemical constituents of the ethyl acetate extract of Miliusa velutina Dun Hook. f. et. Thoms.

  Hoang-Khang Le, Thanh-Tung Phan, Thuy-Duong Ngo Thi, Tan-Tai Nguyen, Ngoc-Vinh Huynh, That-Quang Ton

  97-101

  • PDF (Tiếng Việt)

• ON THE p−CURVATURES OF t-CONNECTIONS OVER A RELATIVE SMOOTH PROJECTIVE SCHEME

  Thanh-Tam Pham

  102-111

  • PDF (Tiếng Việt)