Vol. 65 No. 10B ĐB (2023): TẬP 65, SỐ 10ĐB, THÁNG 10 NĂM 2023

Published: 2023-10-09

KHOA HỌC TỰ NHIÊN

Study on some biological characteristics of the albino strain of medicinal fungus Cordyceps militaris isolated in Vietnam

Thi Kim Trang Do, Ngoc Anh Dao, Bao Tram Tran, Thi Chien Truong, Xuan Tao Vu*, Minh Nam Nguyen

1
Identification of Tay Giang citronella (Cymbopogon winterianus Jowitt.) based on molecular markers and essential oil compositions

Thi Bich Thao Ma*, Phuong Nguyen, Ha Tran, Thi Thuy Trang Nguyen, Thi Hong Nguyen, Van Tuan Hoang

7
Research on using Bacillus bacteria capable of insoluble phosphorus solubilisation in fermentation of chicken waste as liquid microbial organic fertiliser

Thi Chien Truong*, Thi Thanh Mai Nguyen, Bao Tram Tran, Vu Hoang Giang Mai, Xuan Tao Vu

14
Research and experiment the wireless passive surface acoustic wave technology for conductor temperature monitoring of high voltage equipment

Quoc Tuan Le, Van Dua Nguyen*, Quoc Hung Nguyen, Hoang Long Nguyen, Thi Thu Ha Nguyen, Thi Hue Nguyen

19

KHOA HỌC KỸ THUẬT VÀ CÔNG NGHỆ

Design ultrasonic power generators for welding machines using piezoelectric ceramic materials for welding on non-woven fabrics

Trần Văn Hiệp*, Vũ Minh Thoại, Nguyễn Huy Khẩn, Vũ Xuân Mạnh, Nguyễn Huy Công, Dang Co Nguyen, Dinh Tu Bui, Hai Binh Nguyen

24
Research on methods of improving safety for collaborative robot

Van Thuong Nguyen*, Xuan Thinh Tran, Manh Khoi Giang

30
Optimisation of the process of acquiring tannin compounds with anti - Vibrio parahaemolyticus from the leaves of Bang (Terminalia catappa L.)

Ba Tho Nguyen, Minh Ngoc Truong, Thi Huyen Le*, Thi Lien Nguyen, Viet The Ho

35
Optimising saponin steroid extraction from Costus pictus leaves using response surface methodology and investigating antibacterial properties of extracts obtained under optimised conditions

Dao Thanh Huong Nguyen*, Thi Nguyet Ho, Minh Ngoc Truong, Thanh Binh Le, Ba Tho Nguyen, Thi Lien Nguyen1, Thi Huyen Le, Thi Mai Trinh Do, Duong Xuan An Bui

42
Optimising certain factors influencing the process of extracting polyphenolic compounds from areca nuts (Areca catechu L.) using response surface methodology

Ba Tho Nguyen*, Minh Ngoc Truong, Thi Huyen Le, Thi Lien Nguyen

48
Deposition of gold on PET film by pulsed DC magnetron sputtering

Thi Thanh Lan Nguyen, Hong Tuan Pham, Thanh Hop Nguyen*

54
Investigating the effects of the laser quenching technology on the hardness and microstructure of P18 steel

Van Thanh Nguyen*, Thanh Hop Nguyen, Duy Dan Nguyen

58
Research and integrate laser marking system on plastic materials using 355 nm UV laser

Thi Van Anh Tran*, Xuan Tien Do, Hong Kien Cung, Van Giang Dinh, Duc Toan Truong, Xuan Thinh Tran

62
Evaluation of the disintegrability of ecofriendly packaging under laboratory and pilot-scale composting conditions

Thi Nguyet Anh Tuong, Thi Thuy Le, Hoang Linh Doan, Tien Dat Nguyen, Ngoc Diep Nguyen, Xuan Quang Chu, Hung Thuan Tran, Thao Yen Linh Dang*

67
Research on proposing solutions to reduce noise for the operation of air compressors in wastewater treatment system

Khac Uan Do, Manh Cuong Nguyen, Van Tuyen Nguyen, Hung Thuan Tran, Xuan Quang Chu*

73
Optimisation of the drying temperature of star anise by low-temperature drying technique combined with microwave

Ha Tran, Phuong Nguyen, Thi Hong Nguyen, Van Lieu Vu, Thi Bich Thao Ma*

77

Vol. 65 No. 10B ĐB (2023): TẬP 65, SỐ 10ĐB, THÁNG 10 NĂM 2023

KHOA HỌC TỰ NHIÊN

Study on some biological characteristics of the albino strain of medicinal fungus Cordyceps militaris isolated in Vietnam

Identification of Tay Giang citronella (Cymbopogon winterianus Jowitt.) based on molecular markers and essential oil compositions

Research on using Bacillus bacteria capable of insoluble phosphorus solubilisation in fermentation of chicken waste as liquid microbial organic fertiliser

Research and experiment the wireless passive surface acoustic wave technology for conductor temperature monitoring of high voltage equipment

KHOA HỌC KỸ THUẬT VÀ CÔNG NGHỆ

Design ultrasonic power generators for welding machines using piezoelectric ceramic materials for welding on non-woven fabrics

Research on methods of improving safety for collaborative robot

Optimisation of the process of acquiring tannin compounds with anti - Vibrio parahaemolyticus from the leaves of Bang (Terminalia catappa L.)

Optimising saponin steroid extraction from Costus pictus leaves using response surface methodology and investigating antibacterial properties of extracts obtained under optimised conditions

Optimising certain factors influencing the process of extracting polyphenolic compounds from areca nuts (Areca catechu L.) using response surface methodology

Deposition of gold on PET film by pulsed DC magnetron sputtering

Investigating the effects of the laser quenching technology on the hardness and microstructure of P18 steel

Research and integrate laser marking system on plastic materials using 355 nm UV laser

Evaluation of the disintegrability of ecofriendly packaging under laboratory and pilot-scale composting conditions

Research on proposing solutions to reduce noise for the operation of air compressors in wastewater treatment system

Optimisation of the drying temperature of star anise by low-temperature drying technique combined with microwave

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