They also separated out the DNA from the bacteria and analyzed its composition using a technique called high-resolution secondaryionmassspectrometry; the isolated DNA contained arsenic.
The team then measured the rocks' water signatures through the use of secondaryionmassspectrometry, which could allow researchers to tell where and when the lunar water originated.
小组通过使用离子质谱分析法测量了这些岩石的水的鲜明特征之后,可以分析出月球上水起源的时间和地点。
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Secondaryionmassspectrometry was used to measure the distribution of implanted depths of boron ions.