However the researchers can? T be absolutely sure that the two signals they measured were dark matter and not some other particle, which they call background.

但研究者们还是不能绝对确信他们所测到的两个信号跟暗物质有关，因为有可能是背景的其他粒子干扰所致。

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The activity, olefin selectivity and thermal stability of F -T catalyst can be improved by using ultrafine particle with a suitable promoter.

利用超细粒子并选用适当的助剂提高了F-T过程的反应活性，选择性和热稳定性。

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With the geometric information in combination with null-field, T-matrix of arbitrary- shaped particle can be found.

将几何信息导入零场方程得到任意粒子的散射的T矩阵。

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You want to get the contract for Johnny Fontaine, you don't tell your consiglieri, "Hey Tom, put a point particle on Jack's bed."

约翰尼·方丹为电影《教父》中的角色,影片中有杀马恐吓的情节

耶鲁公开课 - 基础物理课程节选

So, you cross link all the proteins in the virus, and you make a particle that looks like a virus but it can't act like a virus any longer because it can't replicate.

当病毒中所有的蛋白质交联后,就得到了一种看上去像病毒,却无法致病的病毒,因为这种病毒不能进行复制

耶鲁公开课 - 生物医学工程探索课程节选

I will draw the famous picture of some particle moving and it's here at t of some value of x.

我会画某个质点运动的,经典图像,这是某个x值对应的时间t

耶鲁公开课 - 基础物理课程节选

However, if the new particle doesn't have positive parity, then things get a lot more interesting at least from a physicist's point of view.

WSJ: New Data Boosts Case for Higgs Boson Find

At the time of Higgs' discovery, observers were especially interested in the possibility that this mysterious particle didn't decay in exactly the way science had predicted.

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The Higgs boson is the only particle theorized by the standard model of physics that hasn't been conclusively observed in an experiment.

WSJ: New Data Boosts Case for Higgs Boson Find