Lai Yen IZ, Lai Yen ward, Hoai Duc district, Hanoi

Development of composite panels based on porous glass aerogels for acoustic applications

Minh-Ngoc Nguyen1,* , Phuong-Lam Nguyen2 , Khac-Ky Nguyen1 , Viet-Dung Vu2 , Van-Hai Trinh3 1Department of Civil Engineering, Hanoi Architectural University, Thanh Xuan district, Hanoi, Vietnam 2 Institute of Development and Application of Sound Materials (DASM), Hoai Duc district, Hanoi, Vietnam 3 Institute of Vehicle and Energy Engineering (IVEE), Le Quy Don Technical University, Bac […]

Test for Determination of the noise emitted by rotating electric machines

Phép thử nghiệm Xác định tiếng ồn phát ra bởi máy điện quay

Test for Determination of the noise emitted by rotating electric machines provides useful information to determine priority noise control solutions, control quality during production; optimize research and development of products and materials that help reduce sound, prevent noise, absorb sound, insulate sound, etc.

Determination of sound insulation performances of enclosures – Measurements under laboratory conditions

Test for Determination of sound insulation performances of enclosures – Measurements under laboratory conditions helps determine the soundproofing effectiveness of soundproofing enclosures; meet the needs of customers who need to announce the results of materials – products which are eligible for installation, use, construction … in works and projects in a convenient and transparent way.