利用电感耦合等离子体原子发射光谱法对闪锌矿中主元素与微量元素进行测定。
Inductively coupled plasma atomic emission spectrometry was used to determine the main elements and trace elements in sphalerite.
结果表明:采用二元比例法分析铬铁和镍铁样品中的合金元素与主元素铁的含量是可行的。
The result shows that it is feasible to use the dual ratio technique to analyze the contents of alloy elements and of the main element Fe in ferrochromium and Ferronickel samples.
本文提出了一种基于插值和主元素分析法的人脸超分辨率方法。
A novel face hallucination method based on interpolation and principal component analysis is presented.
主成分分析法和聚类分析法是藠头无机元素含量分析的有效方法。
The principal component analysis and cluster analysis could be perfectly applied in data processing in inorganic elements.
海森矩阵被应用于牛顿法解决的大规模优化问题。混合偏导数和海森矩阵的对称性海森矩阵的混合偏导数是海森矩阵非主对角线上的元素。
Hessian matrices are used in large-scale optimization problems within Newton-type methods because they are the coefficient of the quadratic term of a local Taylor expansion of a function.
海森矩阵被应用于牛顿法解决的大规模优化问题。混合偏导数和海森矩阵的对称性海森矩阵的混合偏导数是海森矩阵非主对角线上的元素。
Hessian matrices are used in large-scale optimization problems within Newton-type methods because they are the coefficient of the quadratic term of a local Taylor expansion of a function.
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