查询词典 cosmic rays

When scientists first turned their attention to subatomic particles, including cosmic rays, they used a device called a cloud chamber to study them.

当科学家们首次把研究的焦点放到亚原子粒子[3]上时，他们使用一种称作&云室&的装置进行观察。

When scientists first turned their attention to subatomic particles, including cosmic rays, they used a device called a cloud chamber to study them.

科学家们首次将注意力转向亚原子微粒，并使用一种名为&云室&的装置对其进行研究。

Image data from the Swift detectors, normally intended to follow cosmic gamma-ray bursts, were recorded on January 28. The data are combined here, along with a sky survey image of background stars, to show optical and ultraviolet light in green-blue hues and x-rays from the comet in red.

通常用来追踪珈玛射线爆发事件的雨燕号卫星，在1月28日转向鹿林彗星，而所取得的数据再和巡天摄影的背景星场结合，并用绿-蓝色泽及红色来呈现彗星的可见光、紫外光和X射线辐射。

We need the air above not only for breathing, but to protect us from cosmic rays and meteorites.

我们需要上面的空气，不仅为呼吸，也为保护我们不受宇宙射线和陨石的伤害。

We still might find relic monopoles in cosmic rays, so there is always hope,says Milton.

米尔特说，&我们仍然可能在宇宙射线中发现残留的单磁极，所以要想找到单磁极还是有希望的。&

The trick is to find ice or water that is relatively deep. That's because charged particles from space called cosmic rays produce neutrinos and muons when they hit the atmosphere.

&心宿二&望远镜的安放地址应选在深水或深冰层之下，原因在于：来自太空的带电粒子——宇宙射线在&袭击&大气层时产生中微子和μ介子。

Radiocarbon dating is basically this: a radioactive isotope of carbon, C-14, is formed in the atmosphere by cosmic rays.

放射性碳测年，基本上这个：放射性碳同位素、碳14是由大气中形成的宇宙射线。

Otherwise, antiparticles only arise due to extreme events such as nuclear reactions or cosmic rays from dying stars .

否则，只会产生反粒子，由于宇宙射线的极端事件，如核反应或死亡的恒星。

Some, however, are the result of collisions between cosmic rays and the gases of the upper atmosphere.

但有一些则是宇宙射线和外层大气碰撞的结果。

Relatively lightweight aluminium or plastic shielding can block charged particles from the sun. But it would take impractically thick and heavy shields to stop the higher-energy galactic cosmic rays.

轻重量铝或塑料隔离罩能够阻挡来自太阳的带电放射性粒子，但是厚重的隔离板阻挡高能量宇宙放射线是不切合实际的。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。