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- Emphasis is made to the methods used in the improvement o f sensitivity of Tl,including matrix modification, sampling modes and pre-conc e ntration techniques. 重点介绍了用原子吸收法测定铊时，基体改进剂、进样方式、反应机理以及预富集技术对提高方法灵敏度的作用。
- Results show that matrix modification with the oxide dopants not only improves the oxidation resistance, but also affects the properties of the Carbon/Carbon composite. 结果表明,添加氧化物对基体改性,不仅能提高C/C复合材料的高温抗氧化性,也能对其它性能带来很大影响。
- Keywords graphite;matrix modifer;trace arsenic and selenium;ashing;atomization; 关键词石墨炉原子吸收法;基体改进剂;痕量砷和硒;灰化;原子化;
- A term sometimes applied to a stylus in a thermal matrix printer. 有时用来指热敏点阵打印机的触针的一个术语。
- matrix modifer 基体改进剂
- The number of rows or columns in a determinant or matrix. 行列数行列式或矩阵中行或列的数目
- A matrix used in constructing a symbol or character image on a display screen. 用来在显示屏幕上构造出一个符号或字符图象的一种点阵。
- The uniform matrix of hyaline cartilage. 透明蛋白透明软骨的母体组织
- The basis matrix B is unimodular. 基矩阵b是幺模的。
- The lumped mass matrix is a diagonal matrix. 集中质量阵是一个对用阵。
- The nodal matrix now has the convenient form. 现在结点矩阵具有下面方便的形成。
- The square matrix is called a diagonal matrix. 该方矩阵称为对角矩阵。
- We now omit the prime on the matrix elements. 我们现在把各矩阵元素上的一撇略去。
- The concept of a matrix arises in application. 在实际中产生了矩阵概念。
- The matrix is defined as the reciprocal of A. 该矩阵定义为A之逆矩阵。
- This matrix is condensed by the equation. 此矩阵借方程缩聚。
- A real symmetric matrix A can be expressed as ??. 一个实对称矩阵A能被表示为??。
- A rectangular arrangement of quantities in rows and columns, as in a matrix. 数组量数横为行，纵为列的矩形排列，如矩阵中
- Gets or sets the first world matrix. 获取或设置第一个世界矩阵。
- Whisker reinforced metal matrix composites. 晶须增强金属基复合材料。
