Oil, gas and petrochemical projects are implemented to achieve the industrial development and economic benefits.The human welfare is one of the main anticipated aims for these projects.However, these projects result in vast environmental impacts.In this research, the rate of petroleum emulsion in Arvand River receiving a petroleum complex wastewate
The purpose of this study is to measure the average percentage of mathematics learning achievement of fifth-grade students when online learning was implemented and its impact when face-to-face learning was limited.The population in this study was 150 fifth-grade students in Tanah Bumbu Regency with the type of ex-post fact research.The data plush t
During the COVID-19 pandemic, the early emergence of viral variants repeatedly undermined the effects of vaccination.Our aim here is to explore strategies for improving spike vaccine gene antigenicity by merging mutations from different variants of concern (VOCs) in a single vaccine gene.To this end, newly developed recombinant vaccine genes were d