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Helium as a welding shielding gas : effects on CO₂ emissions by helium recovery and recycling system
(2021)
Helium as a welding shielding gas offers unique advantages for many applications. Helium provides positive effects to most of the shielding gas mixtures used with different materials and in a variety of welding processes. ...
Adsorption of phosphorous and arsenic oxyanions to metal hydroxide and oxide surfaces
(2021)
This study focuses on two quite distinct elements, phosphorous and arsenic, and their removal from aqueous solutions by adsorption. On the surface, one could assume there is not much common with these two elements. Phosphorous ...
Medical waste management in Thailand and Vietnam
(2024)
The purpose of this study is to provide information for feasibility assessment of medical waste incineration in South-East Asia. Countries selected for closer examination from the area are Thailand and Vietnam. The reason ...