For complex lighting systems such as automotive head lamps and tail lamps, using exact simulation methods to calculate t......

Modification of plant types (i.e.plant architecture) is an important strategy to enhance the yield potential of crops.Th......

为了更好地利用飞秒激光光源，采用自行设计的光束横截面空间光强分布测量装置研究了掺铁蓝宝石飞秒激光放大系统(美国光谱物理公司)......

　　Intercropping is relatively common and important in tropical and temperate areas because of the effective utilizatio......

作者对6～7年生篱壁式红富士苹果叶幕光照分布、结果部位对品质的影响进行了研究.结果表明:篱壁形叶幕光照垂直分布和水平分布的日变......