Another pretreatment method using cation-ion exchange solid-phase extraction (MCX-SPE) was employed for determining most of the PAs that are not contained in the herbal medicines. That is, the proposed LC–MS/MS method coupled with MCX-SPE extraction and 50% MeOH extraction method was ...
1.B 细节理解题。根据文中“I am in Class Four GradeSeven”可知,Ann在七年级四班。故选项B符合题意。2.C 词义猜测题。根据文中“John is in the same class withme and he sits behind me"可知,John与 Ann在同一个班级并且John坐在 Ann的后面。故选C。3.A 细节理解题。根据文...
for me but i ___ to pass the final exam with a fairly good grade.5.mary is my best friend and i always ___ my secrets with her .6.the lost traveler was filled with___ when he saw a bear running toward him7.when you're away from your family,you h...
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Quality control plots for all proteins (to assess system performance) were obtained using MSstatsShiny, whereby the Skyline output and annotation files, after rearranging the layout, were used as MSstatsShiny input files. Proteins with only 1 feature were not removed from the analysis, and a Q ...