VAN, Texas (KLTV) - A missing man was found safe after a propane tank exploded in Van, sparking a fire. According to Smith County Emergency Services District #2 coordinator Nikki Simmons, the crews ...

Abstract: At present, China’s high-speed railway construction and operation are developing rapidly and achieving remarkable results. As an important part of China’s construction of a transportation ...

Abstract: The precise control of liquid levels in industrial processes is critical for maintaining productivity and product quality. However, dealing with liquid levels in double tank systems presents ...