Then we detected the physiochemical characteristics of the MS sample through scanning electron microscopy ( SEM ) , infrared spectrum ( IR )and differential thermal analysis ( DTA ) .

通过多种检测手段，如：扫描电镜（SEM）、红外光谱（IR）、示差热分析（DTA）等对制备样本的理化特性进行检测。

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Ms. Persing found her famous relatives by merging her Geni profile with more-developed profiles and then scanning down to her alleged 25th great-grandfather on her father's side.

WSJ: Using Wikis and Other Forms of Group Research, Family Historians Are Making Surprising Connections