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Later in the hour on bbc news, well look ahead Tonights Premier League fixtures including Manchester Uniteds match against everton, asjose mourinhos team try to stay in touch with the top four. Good evening, and welcome to the bbc news at six. At least 58 people have died, with many more injured, in a suspected chemical weapons attack in syria. Eyewitnesses say victims were left choking, fainting and frothing at the mouth, and many of the dead are children. The un claims the attack came from the air, and the Foreign Secretary borisjohnson says if chemical weapons were used, then President Assad is guilty of a war crime. Syria and russia deny any involvement. The attack happened in the north west of the country, in the rebel held province of idlib. U ....
The incorporation of Graphene Oxide (GO) nanomaterial into concrete has gained significant attention due to its potential to enhance mechanical and durability properties. The addition of GO to concrete creates considerable changes in the morphology of the concrete matrix, creating a densified microstructure. Critical parameters significantly affect these microstructural enhancements and, consequently, the final performance in GO-added concrete. These parameters include GO material properties, superplasticiser (PS) type, and dispersion techniques. Therefore, this study investigates the influence of GO on the mechanical performance of concrete, focusing on these critical factors. Unlike existing studies concentrating on a single parameter's effect, this research comprehensively compares how these parameters impact GO-added concrete. Two commercially available GO types (GO-A and GO-B) and two PS types (PS-A and PS-B) are utilised. At the same time, three commonly used mixing techniqu ....
Graphene is one of the allotropes of carbon, which also include diamond and carbon nanotube. Graphene has peculiar electrical, mechanical, and thermal properties such as quantum Hall Effect and high electron mobility and is also one of the stiffest and strongest materials. ....