A method with tandem high performance liquid chromatography (HPLC) and Q-Tof mass spectrometry (MS) has been established for the qualitative assay of bryostatins in Bugula neritina extracts.
采用高效液相色谱分离与质谱检测的联用技术，对总合草苔虫中的草苔虫内酯成分进行定性分析。
Using chemical cleaning, according to the different actual conditions and water quality, please scale scale by qualitative analysis assay preparation medicament cleaning, respectively.
采用化学清洗板式热交换器时，要根据实际请况和水质的不同所结垢的垢质进行分析化验分别配制药剂清洗。
Using chemical cleaning, according to the different actual conditions and water quality, please scale scale by qualitative analysis assay preparation medicament cleaning, respectively.
采用化学清洗板式热交换器时，要根据实际请况和水质的不同所结垢的垢质进行分析化验分别配制药剂清洗。
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