摘 要：当今时代，能源的开发和利用是人类面临的最大课题，本设计可动态的调节太阳能的输出或输入和可见光谱，在许多领域有广泛的应用前......

The Collins model is introduced into the two-dimensional (2D) alternative ternary system having the Lennard-Jones (L-J) ......

For a Lie triple system T over a field of characteristic zero, some sufficient conditions for T to be two-generated are ......

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现今燃油价格高昂,大型货车所需油量多。因此盗油者会在黑夜的遮掩下,盗取大型货车的大量燃油。为防止燃油被盗,驾驶员夜里不敢休......