This paper is to discuss the feasibility of refining taurine in the extract of Meretrix meretrix by column chromatography and determination of taurine by spectrophotometry.
作者主要探索用离子交换树脂柱析法提纯文蛤提取液中牛磺酸及用吸收光谱法测定牛磺酸的可行性。
Conclusion: the method is simple, rapid and of high sensitivity, it is an available method for the determination of residual organic solvents in Ginkgo Biloba leaves extract.
结论：该方法简便快速，灵敏度高，可作为银杏叶提取物中有机溶剂残留量的测定方法。
The paper reports a basic method to extract natural pigment from sugarcane skin and carries out the determination of pigment by the ultraviolet and visible light spectrum and infrared spectrum.
研究了以紫色甘蔗皮为原料提取色素的基本方法，并进行了紫外可见光谱、红外光谱的测定。
As soil water extract contains much water-soluble organic selenium and organic matter, the determination of soil water-soluble selenium should be concentrated and digested beforehand.
由于水溶性有机态硒及有机质的存在，准确测定土壤水溶性硒宜经浓缩、消化处理后进行。
Determination of the toxicity of ethanol extract and acetone extract to mice in Gleditsia sinensis LamThe toxicity of both extracts was assayed by gastric lavage.
通过对致死中量测定所得结果分析，乙醇提取液的毒力大于丙酮提取液的毒力，且两者毒力均较强。
The physiological data recorded during the day time short sleep were analyzed. The objective was to extract the characteristics of sleep stages and realize the automatic determination of sleep stages.
研究对象为白天短时睡眠时记录下来的多导睡眠生理数据，主要是为了提取睡眠过程中出现的睡眠各阶段的特征，并实现自动分期。
Much has been made of the obsessive perfectionist Kubrick's determination, through a two-year shoot shrouded in secrecy, to extract an emotional authenticity from the pair.
这部影片在很大程度上是过分完美主义者库布利克根据自己的意愿拍摄的，历经两年，完全处于秘密状态，为的是从这对夫妇身上引出强烈的感情的真实性。
Hu G. L., X. y. lu, J. G. Wu, S. R. Shao and C. H. Shi, Direct Determination of Total Flavones in Ginkgo Extract Powder by Near-infrared Diffuse Reflection Spectroscopy.
胡钢亮、吕秀阳、吴建国、邵胜荣和石春海，近红外漫反射光谱法直接测定银杏提取物粉末中总黄酮的含量。
Hu G. L., X. y. lu, J. G. Wu, S. R. Shao and C. H. Shi, Direct Determination of Total Flavones in Ginkgo Extract Powder by Near-infrared Diffuse Reflection Spectroscopy.
胡钢亮、吕秀阳、吴建国、邵胜荣和石春海，近红外漫反射光谱法直接测定银杏提取物粉末中总黄酮的含量。
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