Bearings used in automobiles, the most demanding speed is the turbocharger bearing, which requires the bearing to have good acceleration reactivity, as well as low torque, low vibration, and low-temperature rise under high-speed rotation.…
Concrete is a mixture of a graded aggregate, sand, water, and cement. It is necessary to study the influence of concrete components on the effect of the high-efficient superplasticizer in order to give full play to their due effect.…
Natural graphite is a refractory material with a high melting point of 3650 °C, and it is a good conductor of heat and electricity.…
As the representative of two-dimensional transition metal materials spkds has broad application prospects in the field of optoelectronic devices. Two dimensional materials have unique properties such as tunable b structure full interface cha…