Phase equilibrium conditions of gas hydrate in several systems were measured by the step-heating method using the cylind......

通过对康定杂岩黑云母、角闪石Ar—Ar年龄研究，得出康定杂岩黑云母、角闪石中Ar同位素组成明显存在地质离散，有过剩氩；Ar—Ar年龄并不......

The carbon black has been used in military fabrics to comply with the color requirements and infrared radiation lessenin......