Why is the internal reference standard method employed for the assay of Vitamin E by GC?
气相色谱测定维生素E含量时为什么使用内标法？
The internal reference electrode is composed of silver foil, a silver chloride layer and a dry internal reference electrolyte layer.
内参比电极由银箔，氯化银层和干内参比电解质层构成。
To ensure accuracy of the results, CD45/SSC gating and normal cells as internal reference should be used in the immunophenotyping of abnormal cells.
为保证实验结果的准确性，在对异常细胞免疫分型时应以CD45/SSC 设门和正常细胞作内部参照。
The main factors, including the selection of mobile phase and internal reference materials and effects of inject ion volume and matrix were investigated.
讨论了流动相及内标的选择，进样量和空白基质的影响等。
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) gene was served as the internal reference, and RNA transcribed in vitro and positive plasmid were served as the standards in this experiment.
实验选用3-磷酸甘油醛脱氢酶基因（GAPDH）作为内参照，体外转录的RNA和阳性质粒作为两种标准品。
The part contains a high-speed 18-bit samplingADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports.
该器件内置一个高速18位采样ADC、一个内部转换时钟、一个内部基准电压缓冲、纠错电路，以及串行和并行系统接口。
It contains a high speed 16-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and both serial and parallel system interface ports.
它内置一个16位高速采样adc、一个内部转换时钟、一个内部基准电压源(和缓冲)、纠错电路，以及串行和并行系统接口端口。
It contains a high speed 16-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and both serial and parallel system interface ports.
它内置一个16位高速采样adc、一个内部转换时钟、一个内部基准电压源(和缓冲)、纠错电路，以及串行和并行系统接口端口。
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