Date Published: 08/11/2023

Natural Sciences Issue (Vietnamese)

Surveying vermiwash and vermicompost collection conditions from Eudrilus Eugeniae
Ngoc Oanh Huynh, Tien Dat Lam, Truc Thanh Tran
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Page: 3-9
Diversity and distribution of earthworm (Annelida: Oligochaeta) in Southeastern Vietnam
Hai Dang Lam, Thanh Quoc Phan, Quoc Nam Nguyen
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Page: 10-25
Assesing water quality by habitats at Tram Chim National Park
Van Loi Ly, Hoang Dan Truong, Van Ni Duong
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Page: 26-35
Biodiversity of jungles in U Minh Ha National Park, Ca Mau province
Quoc Khai Tran, Van Nha Duong, Tan Truyen Nguyen, Tan Truyen Nguyen, Hoai Linh Nguyen, Kiet Anh Tuan Huynh, Minh Sang Ngo
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Page: 36-51
The current status of household solid waste management in Tan Thuan Dong commune, Cao Lanh city, Dong Thap province
Diem Kieu Le, Van Thuan Dinh, Quoc Nguyen Pham
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Page: 52-59
Effects of agricultural farming models on the content of soil organic matter and total nitrogen in the Dai mountains of An Giang province
Van Huu Tran, Thi Thu Xuan Nguyen, Thi Phuong Nguyen
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Page: 60-65
Sufficient condition for generalized synchronization in the networks of two ordinary differential equations of FitzHugh-Nagumo type with bidirectionally linear coupling
Van Long Em Phan, Tan Dat Vo
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Page: 66-70
Designing a website to manage a bank of differentiated questions in mathematics at grade 12
Lê Nam Tran, Phu Si Huynh
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Page: 71-78
Using the SOLVE function of the CASIO calculator to resolve some chemical problems at university level
Thi Thuy Duong Hoang, Sy Linh Ho
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Page: 79-87
Investigating some factors affecting the ability to extract polyphenols and flavonoids compound from mulberry leaves (Moruss Alba L.)
Tan Thanh Vo, Thi Kim Tuyen Nguyen, Thi Thuy Vo, Ngoc Tu Ta, Bich Tuyen Lê, Thuy Oanh Phan
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Page: 88-94
Processing jam from Syzygium Cumini with roselle extract
Kim Quyen Diep, Thi Thanh Ngan Ngo
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Page: 95-103
Investigating total flavonoid content and antioxidance of ethanol extracts from Ruellia simplex C.WRIGHT
Van Kiet Nguyen, Thi Mai Khanh Nguyen, Thi Phuong Thao Hoang, Gia Linh Mac, Thi Thuy An Tran
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Page: 104-111
Investigating antioxidant extraction from Receptaculum Nelumbinis
Thi Hong Nhung Dang, Dang Khoa Tran, Duy Khuong Pham, Hong Tham Nguyen, Thi Hong Hanh Nguyen
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Page: 112-120