The method of measuring c, s, p, Mn, Si, Cr, Ni, Mo, V, W, ti, Nb, Al element content by DV-4 photoelectric spectroscope on one condition is introduced.
介绍了应用DV - 4光电光谱仪，仅用一种测定条件，测定高合金钢中碳、硫、磷、锰、硅、铬、镍、钼、钒、钨、钛、铌、铝元素的含量的方法。
This paper presented a two-dimensional discrete dynamic competitive model in advertising based on the classic V-W model, namely the sales-advertising response model.
提出一个基于V - W销售广告反应模型的二维离散广告竞争动态模型。
This paper presented a two-dimensional discrete dynamic competitive model in advertising based on the classic V-W model, namely the sales-advertising response model.
提出一个基于V - W销售广告反应模型的二维离散广告竞争动态模型。
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