本文将偏最小二乘法(PLS)用于分光光度法同时测定混合氨基酸体系中的苯丙氨酸、色氨酸和酪氨酸。
The partial least square (PLS) method for spectrophotometric simultaneous determination of phenylalanine, tryptophan and tyrosine in the mixed amino acids was studied.
用于苯丙氨酸、酪氨酸和色氨酸人工混样中酪氨酸和色氨酸的测定，结果令人满意。
The method has been used to determine tyrosine and tryptophane in the artificial sample containing phenylalanine, tyrosine and tryptophane, the result is satisfactory.
目的探讨全血中苯丙氨酸和酪氨酸测定时标本采集与保存对测定结果的影响。
Objective To investigate the influencing effect of sample collection and storage measures on phenylalanine and tyrosine measurements in whole-blood samples.
方法用荧光法测定新生儿滤纸干血片上的苯丙氨酸浓度以筛查苯丙酮尿症。
Methods Phenylalanine(phe) concentration in dried-blood spot specimens on filter paper was detected by fluorometric method.
通过不同浓度和不同诱导时间两种处理方式，测定了壳低聚糖和L - C对黄瓜叶片中过氧化物酶、多酚氧化酶和苯丙氨酸解氨酶等防御酶的诱导效果。
Activities of the defense enzymes involved in POD, PPO and PAL induced by COS and L-C were measured by two different treatments of different concentrations and different induced time.
通过不同浓度和不同诱导时间两种处理方式，测定了壳低聚糖和L - C对黄瓜叶片中过氧化物酶、多酚氧化酶和苯丙氨酸解氨酶等防御酶的诱导效果。
Activities of the defense enzymes involved in POD, PPO and PAL induced by COS and L-C were measured by two different treatments of different concentrations and different induced time.
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