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- Derivative ratio fluorescence spectra 比值导数荧光光谱
- zero-crossing derivative ratio method 过零导数比法
- Keywords derivative ratio spectrum zero crossing copper zinc nikel; 比光谱导数;零交点;铜;锌;镍;
- Derivative ratio derivative ultraviolet spectrophotometry 导数-比导数光谱
- Keywords glyoxal;glyoxalic acid;derivative ratio;oximation reaction; 乙二醛;乙醛酸;比值导数法;肟化反应;
- Keywords First derivative ratio spectrum;Sulfamethoxazole;Trimethoprim; 比值光谱一阶导数;磺胺甲恶唑;甲氧苄啶;
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物,如煤或石油
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- The Mixture Content Measured Through Derivative Ratio Spectrum and Zero Crossing 比波谱导数和零交点法测定混合物含量
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项,末项比率或数列中第一个或最后一个项
- Determination of Procaine Hydrochloride Injection by the First Derivative Ratio Spectrometry 比值光谱一阶导数法测定盐酸普鲁卡因注射液含量
- Determination of Sulfamethoxazole in Compound Sulfamethoxazole Tablet by First Derivative Ratio Spectrometry 比值光谱一阶导数法测定复方磺胺甲唑片中磺胺甲唑含量
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- Keywords Derivative ratio fluorescence spectra;Ttryptophan;5-Hydroxytryptophan;HPLC; 比值导数荧光光谱;高效液相色谱;色氨酸;5-羟基色氨酸;
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号,用以标明变量的第一个导数
- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- A derivative is defined by a limiting process. 导数是通过一个极限过程加以规定的。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。