Nevertheless, major concerns have been raised about radiation hazard and safe disposal of radioactive waste.

雖然如此国产精品一级黄色av，放射線危險性及其廢棄物是否安全處置常引起大眾關(guān)心。

Based upon monitoring results of radioactive materials in tunnel excavation construction in Qinling Tunnel the intensity of radioactivity and distribution regularities is summarized, meanwhile, preliminary assessment and research are conducted for radiation hazard and protection.

結(jié)合西康線秦嶺特長隧道Ⅱ線平導(dǎo)開挖過程中對隧道放射性物質(zhì)監(jiān)測結(jié)果免费裸体网站入口，針對隧道內(nèi)放射性強度一区二区黄色网站在线观看、分布規(guī)律進(jìn)行了歸納、總結(jié)GoGo无码一区二区三区，并就其輻射危害及防護(hù)進(jìn)行了初步評價和研究www.精品视频.com。

The point of the experiment is that radioactive decay is a quantum process.

這個實驗的關(guān)鍵點是放射性衰變是一個量子過程。

The point of the experiment is that radioactive decay is a quantum proces s.

這項實驗的關(guān)鍵因素在于放射性衰變是一個量子過程美女黄片a。

The half-life is the time taken for half of the atoms of a radioactive substance to decay.

的半衰期是花費的時間為半原子的放射性物質(zhì)腐爛欧美片aaaaaaaa片。

Radioactive decay of radium-226, found in a wide variety of rocks and soil.

這種氡可以在很多種類的石頭和土壤中找到。

Radon is a gas that comes from the radioactive decay of radium in rocks.

氡是來自巖石中鐳輻射衰變而產(chǎn)生的一種氣體色色男人网。

Its stable isotope s are all end products of radioactive decay of uranium and other heavy elements.

其穩(wěn)定的同位素為鈾和其它重金屬放射衰變后的最終產(chǎn)物黄片无码A级。

Its stable isotopes are all end products of radioactive decay of uranium and other heavy elements.

其穩(wěn)定的同位素為鈾和其它重金屬放射衰變后的最終產(chǎn)物。

It had been used for practical ends, to identify elements and to unravel radioactive decay chains.

已將其用于實踐的目的成年人福利视频，去鑒別元素和闡明放射性衰變系婷婷五月综合视频精品。