The dynamic change in grain nitrogen content showed a V shape, and S shape in nitrogen accumulation.
籽粒氮含量变化呈“V”型曲线,籽粒氮素积累呈“S”型。
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。
Chapter V is the emphasis and the core content of this article.
第五章是本文的重点,也是本文的核心内容。
应用推荐