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- The sample was extracted by methyl alcohol, partitioned by dichloromethane. The residues were determined by photodiode array detection (PDA) at 250 nm. 样品经甲醇提取,二氯甲烷萃取净化,残留中的噻虫嗪用二极管阵列(PDA)检测器在250nm处测定。
- The carotenoids in Lycium barbarum L. were separated by high performance liquid chromatography with diode array detection (HPLC-DAD). 但由于类胡萝卜素的结构多样性,尤其是顺反异构体的出现使得分离并不完全。
- HPLC method coupled with photodiode array detection(PAD) for the determination of geniposide in Fructus Gardeniae of different quality was established. 建立反相高效液相色谱-光电二极管阵列检测器法测定了不同品质栀子生品中栀子苷的含量。
- High-performance liquid chromatography (HPLC) coupled with photodiode array detection (DAD) techniques was used to set up the fingerprint chromatogram condition for the analysis of different kinds of Echinacea species. 用反相高效液相色谱-二极管阵列检测(RP-HPLC-DAD)技术,建立了同时满足不同品种、不同部位松果菊指纹图谱测定要求的色谱条件。
- Design of Array Detection System for Linear CCD 线阵CCD阵列检测系统设计
- photodiode array detection (PDA) 二极管阵列检测
- photodiode array detection system 光电二极管阵检测系统
- Synthesis of the dual frequency array by the nonlinear least square method 双频阵列天线方向图的非线性最小二乘法综合
- High performance liquid chromatography-diode array detection 高效液相色谱-二极管阵列
- o-phthalic aldehyde pre-columnderivatization-diode array detection 邻苯二醛柱前衍生化-二极管阵列检测器检测
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- ARRAY DETECTION TECHNOLOGY OF ECHO ON EARTH OBSERVATION LASER IMAGER 对地观测激光成像的回波阵列探测技术
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- high performance liquid chromatography-diode array detection (HPLC-DAD) 高效液相色谱-二极管阵列检测
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- high-performance liquid chromatography with photodiode array detection 高效液相色谱-二极管阵列检测器
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- o-phthalic aldehyde pre-column derivatization-diode array detection; 邻苯二醛柱前衍生化-二极管阵列检测器检测;
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。