2) guarantee of quality
质量确保
4) exact mass
精确质量
1.
A rapid method for determination of fluoroacetamide(FAA) exact mass by flow injection-electrospray ionization-time of flight-mass spectrometry was set up.
探讨了以对甲苯胺为质量定标物 ,采用流动注射 -电喷雾电离 -飞行时间质谱 (FI-SEI-TOF-MS)技术测定剧毒鼠药氟乙酰胺精确质量的快速筛选方法。
5) accurate mass
准确质量
1.
Using polyethylene glycol(PEG) and the protonated molecular ion(MH +) as internal reference compounds,the accurate mass of the fragment ions were determined,The fragment ions were elucidated,and their fragmentation patterns were discussed.
本文采用电喷雾 /飞行时间质谱法 ,对 5个红霉素类抗生素进行了源内CID研究 ,并以PEG40 0及各样品质子化分子离子 (MH+ )做为内标物 ,对碎片离子进行了准确质量测定 ,确认了这些碎片离子 ,并总结了此类化合物的裂解规律。
2.
Using polyethylene glycol(PEG) as internal reference, electrospray ionization(ESI)/time - of -flight mass spectrometry(TOF - MS) was developed to determine the accurate mass of the protonated molecular ions of five erythromycin analogue antibiotics.
研究了聚乙二醇(PEG)为内标物的电喷雾(ESI)/飞行时间质谱(TOF-MS)准确质量测定方法,并应用于5个红霉素类抗生素质子化分子离子(MH~+)的质量测定。
6) mass assignment
质量确定
补充资料：确保
1.切实保持或保证。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条