20xxted英語演講指紋透露的信息，超乎你的想象(編輯修改稿)
2025-01-16 23:10 本頁面
【文章內(nèi)容簡介】 爾頓的房子里發(fā)現(xiàn)了同樣牌子的避孕套。
And with Dalton and Thomson also having records for sexual assaults,
鑒于道爾頓和湯姆森也有性侵犯的記錄，
then it is Chapman that may bee the less likely suspect.
那么，查普曼就不太可能成為嫌疑人。
But is this information enough to make an arrest?
但這個信息足夠去逮捕人了嗎?
Of course not, and we are asked to delve deeper with our investigation.
當(dāng)然不夠，我們被要求深入我們的調(diào)查。
So we found out, also, the presence of other two very interesting molecules.
于是我們也發(fā)現(xiàn)了另外兩個非常有趣的分子的存在。
One is an antidepressant, and one is a very special molecule.
一種是抗抑郁藥，另一種是非常特殊的分子。
你指紋透露的信息超乎你的想象
It only forms in your body if you drink alcohol and consume cocaine at the same time.
如果你同時喝酒和吸食可卡因，只會在你的身體中形成。
And alcohol is known to potentiate the effects of cocaine,
眾所周知，酒精會增強可卡因的作用，
so here, we now have a hint on the state of mind of the individual whilst perpetrating the crime.
所以在這兒，我們現(xiàn)在有了一個關(guān)于個人心理狀態(tài)的提示。
We passed this information to the police, and they found out that, actually, Thomson is a drug addict,
我們把信息傳遞給警方，他們發(fā)現(xiàn)，事實上湯姆森是個癮君子，
and he also has a medical record for psychotic episodes, for which presumably the antidepressant was prescribed.
而且他也有精神病發(fā)的醫(yī)療記錄，大概是用抗抑郁藥開的處方。
So now Thomson bees the more likely suspect.
所以現(xiàn)在湯姆森成為了更有可能的嫌疑人。
But the reality is that I still donamp。39。t know where these molecules are ing from,
但事實是，我仍然不知道這些分子是從哪里來的，
from which fingerprint, and who those two fingerprints belong to.
來自誰的指紋，這兩個指紋屬于誰的。
Fear not. Mass spectrometry imaging can help us further.
不要害怕。質(zhì)譜成像可以幫助我們更進一步。
In fact, the technology is so powerful that we can see where these molecules are on a fingerprint.
事實上，這個技術(shù)是如此強大，我們可以看到這些分子在指紋上的位置。
Like you see in this video, every single one of those peaks corresponds to a mass, every mass to a molecule,
如這個視頻中所看到，每一個波峰都對應(yīng)一個質(zhì)量，每一個質(zhì)量對應(yīng)一個分子，
and we can interrogate the software, by selecting each of those molecules,
我們可以通過選擇每一個分子，并查詢這個軟件，
as to where they are present on a fingermark.
來了解它們在一個手指上的位置。
And some images are not very revealing, some are better, some are really good.
有些照片
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