Abstract: Neutral beam injection (NBI) is a key auxiliary heating technology used in magnetic confinement fusion devices. With the scale up of the device, the requirement of beam energy is higher. A ...

Chemistry is a branch of science that involves the study of the composition, structure and properties of matter. Often known as the central science, it is a creative ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...