Published: 2021-03-01

Determination of natural modes of railway overpasses

Seidulla S. Abdullayev, Gabit B. Bakyt, Muslim N. Aikumbekov, Ivan S. Bondar, Yerlan T. Auyesbayev

1-10

Characteristics of calcined palm oil pastes for biosilica extraction as a function of calcination temperatures

N. A. S. Abdul Samat, U. Z. Kamarul Jaman, S. Saree, D. S. A. Mahmod, J. C. H. Lai

23-34

Some novel fixed-point theorems in Hausdorff spaces

Vishal Gupta, Naveen Mani, Amit Sharma

35-40

Application of silver nanoparticles to reduce bacterial growth on leather for footwear manufacturing

M. Maldonado Vega, D. Guzmán, D. A. Camarena Pozos, A. P. Castellanos Arévalo, A. Salinas Ramírez, D. Garibo, M. R. García García, A. Pestryakov, N. Bogdanchikova

41-48

Activated charcoal production from tree pruning in the Amazon region of Brazil for the treatment of gray water

Marcelo M . Pedroza, Leonardo H. D. Neves, Elaine C. S. Paz, Fabrício M. Silva, Claudia S. A. Rezende, Aymara G. N. Colen, Matheus G. Arruda

49-65