Vol. 130 No. 1C (2021)

Original Article

• Using oxalic acid as a standard for chemical oxygen demand determination with closed reflux–colorimetric method

  Long Hoàng Thái, Bảo Nguyễn Sỹ, Dung Tạ Thị Kim

  23-30

  • PDF (Vietnamese)

• Establishment of Water Quality Index based on statistical analysis: Application to Huong River, Thua Thien Hue province

  Hùng Nguyễn Việt, Nguyễn Thị Quyên, Nguyễn Hải Phong, Hop Nguyen Van, Nguyễn Hữu Trung, Lê Quang Ánh, Đặng Phước Bình

  51-62

  • PDF (Vietnamese)

• Cloning and characteristic prediction of 42 kda chitinase from trichoderma asperellum

  Phùng Thị Bích Hòa, Mai Thị Thu Hiền, Nguyễn Hoàng Tuệ, Nguyễn Tý, Nguyễn Thị Kim Cơ, Nguyễn Xuân Huy

  105-112

  • PDF (Vietnamese)

• On the Castelnuovo-Mumford regularity index of the coordinate ring of a set of n + 3 non-degenerate fat points in projective space Pn

  Thiện Phan Văn, Sinh Trần Nam, Quang Nguyễn Thanh

  15-22

  • PDF (Vietnamese)

• Non-equilibrium phase transition of two-dimensional penta-graphene

  Nguyễn Nguyễn Thị Bảo Trang, Lê Hoàng Nhân, Trương Quốc Tuấn, Nguyễn Trúc Anh, Đặng Minh Triết

  139-147

  • PDF (Vietnamese)

• Effects of culture medium on callus growth of Gynostemma pentaphyllum (Thunb.) Makino – a valuable medicinal plant

  Hoàng Tấn Quảng, Phạm Thị Diễm Thi, Lan Trần Thúy, Phạm Mai Thu Thủy, Vũ Đức Hoang, Phan Thị Á Kim

  127-137

  • PDF (Vietnamese)

• Antioxidant ability of 1-phenyl-3-(2-pyridyl)-2-thiourea: combined experimental/computational studies

  Đinh Quý Hương, Trần Đồng Linh Chi

  85-95

  • PDF (Vietnamese)

• Effects of temperature, time, and rate of heating on SnO2 morphologies

  Đặng Thị Thanh Nhàn, Hoang Thi Trang, Ngo Duy Y, Lê Quốc Thắng

  97-104

  • PDF (Vietnamese)

• Chemical composition and antimicrobial activity of essential oil extracted from pomelo (Citrus maxima (Burm.) Merr.)

  Huỳnh Xuân Phong, Lưu Minh Châu, Trần Thị Xuân Nghi, Nguyễn Ngọc Thạnh, Bùi Hoàng Đăng Long, Bạch Long Giang, Nguyễn Văn Mười, Trần Thanh Trúc

  75-83

  • PDF (Vietnamese)

• 3D CdS/ZnO/Pt/WO3 nanostructure electrode for enhancing photoelectrochemical water splitting

  Hiên Trương Thị, Vũ Thị Bích, Phan Thị Bình, Mai Thị Thanh Thùy, Mẫn Minh Tân, Nguyễn Tiến Đại, Trần Thị Trang, Chu Thị Thu Hiền, Trần Thị Minh Nguyệt, Nguyễn Mạnh Hùng

  31-41

  • PDF (Vietnamese)

• Composition and distribution characteristics of invasive alien species in Tieu Can district, Tra Vinh province

  Trung Hoàng Đình

  5-14

  • PDF (Vietnamese)

• The validity of Carhart model for shares in financial, banking and insurance businesses – A quantile regression approach

  Phạm Lệ Mỹ, Phan Thị Thanh Thuý

  149-160

  • PDF (Vietnamese)

• Determination of toxic heavy metals content in some cosmetic products commonly used among high school students

  Trang Hà Thuỳ, Luyện Nguyễn Đình, Khánh Lê Ánh, Kiên Trương Trung

  43-50

  • PDF (Vietnamese)

• Photovoltaic characteristics of solar cells based on Ag/SnS thin film fabricated by the radio frequency sputtering method

  Trần Hữu Toàn, Nguyễn Tiến Đại, Vũ Thị Kim Liên, Trương Thị Hiên, Vũ Thị Bích, Nguyễn Mạnh Hùng

  63-73

  • PDF (Vietnamese)

• Anticorrosion activity of amoxicillin on mild carbon steel in 1 M hydrochloric acid solution

  Đinh Tuấn, Trần Xuân Mậu, Nguyễn Minh Thông, Phạm Cẩm Nam

  113-126

  • PDF (Vietnamese)