Interaction of Sheering and Axial Forces in Nonlinear Dynamic Anaysis of Beam.

梁非线性动力分析中剪切力和轴力的相互影响。

Based on the modern concept of product, an entensive anaysis was fully expressed on the essence of the consumer value in the cashmere sweater purchase.

顾客价值链是顾客通过购买使用产品获得感知价值的过程。

For the low productivity and degree of purity of lycopene in China, the article analyze the stabilization, production, purification, separation of isomer and anaysis of lycopene.

该文针对番茄红素生产过程中产品产率低、纯度差的现状，对番茄红素的稳定性、生产方法、纯化方法、 异构体的分离以及检测进行阐述。