During the steel pipeline installation, special attention is paid to the butt weld control performed by fusion welding.The operation of the currently popular automated X-ray and Ceramic Hob ultrasonic testing complexes is associated with high resource and monetary costs.In this regard, this work is devoted to the development of alternative and cost

Crystalline films of syndiotactic polystyrene (s-PS), a commercially available thermoplastic polymer, having a highly hydrophilic amorphous phase, were Western Jeans achieved by using a mild solid-state sulfonation procedure.Despite the used mild process conditions, an easy and uniform sulfonation of the phenyl rings of the amorphous phase is obtai