定量测定

Objective: To establish a rapid method for determination of benzoyl peroxide in flour.

目的：建立快速测定面粉中过氧化苯甲酰的定性定量测定方法。

A new method is used to measure ~(32)P through count of bremsstrahlung of LS counter or Cherenkov.

采用γ计数仪测定β粒子产生的韧致辐射定量测定32P。

A new and quick method for enzyme activity assay was developed in which the reduction of artificial electron acceptor potassium ferricyanide was measured by monitoring the color change of reaction mixture at 420 nm.

为了便于快速简便的测定IDA氧化酶的活力，还建立了一种以铁氰化钾作为人工电子受体，通过检测酶促反应在420nm吸光度的变化而快速定性定量测定酶活力的新方法。

In this work, the digital analysis of six Al-based standard alloy samples with different content of Mg has been performed. Using spectra of Mg 518.36 nm as the analysis spectrum line, Cu 510.55 nm and Fe 510.75 nm as comparison spectrum lines separately, quantitative analysis has been made.

对6种不同镁元素含量的铝合金标准样品进行了数字化分析测定，探索了选用Mg 518.36 nm作为分析谱线，分别选用Cu 510.55 nm和Fe 510.75 nm作为比较谱线进行定量测定的方法。

The digital analysis of the three standard samples of the Al-based alloy with different content of Cu, and the probe into the quantitative analysis that employs the spectrums of Cu 510.55 nm and Fe 510.75 nm as the analysis spectrum and comparison spectrum, indicate the positive relationship between the content of copper and the intensity ratio of the analysis and comparison of spectrum.

对3种不同Cu元素含量的铝合金标准样品进行数字化分析测定，探索选用Cu 510.55nm谱线和Fe 510.75nm谱线分别作为分析谱线和比较谱线进行定量测定的方法，数据显示分析谱线和比较谱线的强度比值与Cu元素含量呈正比关系。

The digital analysis of the six standard samples of the Al-based alloy with different content of Cd, and the probe into the quantitative analysis that employs the spectrums of Cd 508.5 nm as the analysis spectrum, Cu510. 55 nm and Fe510.75 nm as comparison spectrum separately, indicate the positive relationship between the content of cadmium and the intensity ratio of the analysis and comparison of spectrum.

对6种不同Cd元素含量的铝合金标准样品进行了数字化分析测定，探索了选用Cd 508.58nm谱线作为分析谱线，分别选用Cu510.55nm和Fe510.75nm谱线作为比较谱线进行定量测定的方法，数据显示分析谱线和比较谱线的强度比值与Cd元素含量成正比关系。

The effects of displacer concentration, flow-rate, loading amount and the composition of the sample on separation efficiency are studied.

保留时间、峰高重现性及回收率测定结果显示此方法用于五种磷脂的定性和PC、PE及PI的定量测定，具有较高的精确度。

Endotoxin was detected by using limulus lysate test, and the last two indexes were detected by using radioimmunoassay.

分别用鲎实验改良基质法进行内毒素定量测定，放射免疫方法测定肿瘤坏死因子-α和白细胞介素-6(IL-6)。

The quantitative metallography was used to verify the X-ray measured results.

衍射峰用於定量测定γ相和ε相的含量，并以定量金相结果进行了验证。

Ethanol as organic modifier to the background electrolytes helped in separating aesculin and aesculetin from other components in ash barks.

该法因具有良好的定性、定量特性，被成功地用于鉴定中药秦皮的真伪以及选择适宜的提取制备活性组份的方式和定量测定。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了