To analyze the swab, the ETD uses a process called ion mobility spectrometry.

为了分析棉签中可疑化学物的成分，将使用淌度普法。

Then they used a technique called mass spectrometry to analyze what each reaction produced.

之后，他们利用质谱分析法分析每种反应会发生什么结果。

They measured the specimens' 14C content using a sensitive technique called accelerator mass spectrometry.

他们使用一项被称作“加速器质谱”的高灵敏度技术来测量样品中碳-14的含量。

They extracted proteins from the dental scrapings, then used mass spectrometry to reconstruct the menu.

他们从牙齿碎屑中提取了蛋白质，然后用质谱法重建菜单。

I once tried to start my own uncle-niece tradition, but... I'm not questioning the methodology behind accelerated mass spectrometry.

曾经试着开始自己的叔叔侄女传统，但是不是在质疑加速质谱分析法后面的方法论。

I enjoyed your paper on accelerator mass spectrometry, and wanted to find out more.

喜欢你关于加速器质谱的论文，希望能了解更多。

Mass spectrometry is great for figuring out what kinds of molecules are in a complex mixture.

质谱分析法非常适合确定复杂混合物中有哪些种类分子。

Mass spectrometry imaging can help us further.

质谱成像可以进一步帮助们。

For some metabolites, we can measure their molecular mass using mass spectrometry instruments.

对于一些代谢物，们可以使用质谱仪器测量它们的分子量。

Using mass spectrometry, the researchers also found other chemicals, like caffeine and theanine.

使用质谱法，研究员还发现了其他化学物质，如咖啡因和茶氨酸。

Analyzing the remaining dust with mass spectrometry, they found traces of the isotope iron-60, which is primarily produced in two ways: by exploding supernovas or by cosmic rays zapping interplanetary dust.

通过质谱法分析剩余的尘埃， 他们发现了同位素铁 60 的痕迹，铁 60 主要通过两种方式产生：超新星爆炸或宇宙射线撞击行星际尘埃。

Using a combination of electrophoresis (which sorts proteins according to their size and electrical properties) and mass spectrometry (which sorts fragments of those proteins according to their weight), she was able to do just that.

Molette 博士使用电泳（根据蛋白质的分子大小和电荷差异，将蛋白质分离）和质谱（根据分子量将蛋白碎片分离）测定来进行实验。