Vol. 17 No. 01 (2022)

ARTICLES

• Extractive spectrophotometric determination of nimodipine through ion-pair complex formation with bromothymol blue

  Trung Dung Nguyen, Thi Hoa Le, Thu Ha Nguyen, Thi Tue Minh Hoang

  5

• The effectiveness of the new generation airship’s tail-wing schemes and its effect on the aerodynamic characteristics of the airship

  Xuan Tung Ta, Manh Hieu Vu, Van Chien Vu

  17

• Study the effect factors on chromium plating on the frictional and wear properties of machine parts

  Truong Sinh Nguyen, Van Manh Phan, Van Nhat Pham

  25

• Comparative solutions for optimizing the cutting parameters when turning titanium alloy Ti-6Al-4V

  Van Hiep Dao

  36

• Experimental study on mechanical properties and microstructure of PERFORM 700 steel butt-welding joints using in high load-bearing structures

  Tuan Anh Phung, Quoc Hoang Pham, Duc Manh Dinh, Hong Phong Nguyen, Xuan Hung Le, Ngoc Tan Nguyen, Van Thuong Luc

  53

• Numerical and experimental investigation of cutting temperature in turning with a self-propelled rotary tool

  Quoc Dung Duong, Quang Hung Trinh, Thanh Quy Phan, Thanh Danh Lam

  64

• A method for rotation matrix estimation in stereo visual odometry based on left and right rotation averaging

  The Tien Nguyen, Cong Manh Tran, Quang Thi Nguyen, Xuan Phuc Nguyen, Huu Hung Nguyen

  76