国产一级a毛一级a看免费视频,久久久久久国产一级AV片,免费一级做a爰片久久毛片潮,国产精品女人精品久久久天天,99久久久无码国产精品免费了

Beksich BS C23,5um (100 x 1mm iD)
流動相:A: 0,06 % TFA B=0,05 % TFA in ACN
梯度: 1%B-60 %B in 120min. then 5min. to 95%B,
流速: 20ul/min.

檢測波長:215nm

1:creatinine:肌酸酐

2:creatin-monohydrate一水肌酸

3:dicyandiamide雙氰胺；氰基胍