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。

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

为了分棉签中可疑化学物的成分，将使用淌度普法。

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。

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

之后，他们利用质谱分法分反应会发生什么结果。

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

我很喜欢你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.

质谱分法非常适合确定复杂混合物中有哪些类分子。

We can use a technique named mass spectrometry to identify all those substances, even if they are in tiny amounts.

我们可以使用一名为质谱的技术来识别所有这些物质，即使它们的含量很低。

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

对于某些代谢物，我们可以使用质谱分仪器来测量它们的分子质量。

Mass spectrometry imaging can help us further.

质谱成像可以进一步帮助我们。

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

研究员还使用质谱分发现了其他化学物质，如咖啡因和茶氨酸。

And so mass spectrometry is a way that we can modify Dalton's atomic theory.

因此，质谱法是我们修改道尔顿原子理论的一方法。

Now also mass spectrometry can be used to look at individual atoms.

现在也可以使用质谱法来观察单个原子。

How to use data from a mass spectrometry to identify elements?

如何使用质谱数据来识别元素？

As he points out, experts can get the information in a very, very simple and straightforward way using a new type of mass spectrometry.

正如他指出的那样，专家们可以用一非常非常简单和直接的方式获得信息，使用一新型的质谱法。

And you can analyze that using a technique called mass spectrometry, which gives you a sort of chemical signature or fingerprint of your sample.

你可以运用一名为质谱分的技术来解这些物质，该技术能为你提供的样本生成一化学特征或指纹。

It's on mass spectrometry which is a way that we can separate atoms, isotopes and even fragments of molecules based on their mass.

它是一基于质谱分的技术，我们可以根据原子、同位素甚至分子碎片的质量来分离它们。

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。

And this is common across all of microplastics work, but in the brain, for example, it contains lots of lipids whose mass spectrometry profile, its fingerprint, looks similar to those of the plastic polyethylene.

这情况在所有微塑料研究中都很常见，但在大脑中， 例如，它含有大量脂质， 其质谱图谱，即其“指纹” ，与聚乙烯塑料的特征相似。

Increasingly today, archaeologists are circumventing this problem by a new technique termed accelerator mass spectrometry, which permits radiocarbon dating of tiny samples and thus lets one directly date a single small seed, small bone, or other food residue.

如今，考古学家越来越多地通过一称为加速器质谱法的新技术来规避这个问题，该技术可以对微小样品进行放射性碳测，从而使们可以直接测定单个小子、小骨头或其他食物残渣的代。