A series from actinium to lawrencium of 15 radioactive ''.

15個(gè)從錒到鐒的原子量遞增的放射性元素。

A series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium.

15個(gè)從錒到鐒的原子量遞增的放射性元素欧美vs一级片。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium , etc.

自那以后發(fā)現(xiàn)的其他放射性元素有：鋤中文字幕精品一区二区日本、放射性釷和新針、鎳尤物在线无码视频观看网址，等等女优网址。

A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.

一種存在周期短的放射性金屬元素，由鈾形成欧美日韩国内，能分裂成錒然后分裂成鉛青草视频免费。

All are radioactive heavy metals; and only the first four (actinium, thorium, protactinium, and uranium) occur in nature in appreciable quantities. The other 11 are unstable and are produced only artificially.

這些元素都是具有放射性的重金屬；僅前四個(gè)元素是在自然界中存在的国产亚洲精品ⅴa在线观看，其余十一個(gè)都不穩(wěn)定且均為人造的国产色清。

Microarray technology requires the testing or probing procedure to be "reported" by a fluorescent, radioactive or color readout, which can be analyzed by scanners with a resolution equivalent to each addressable point on the array surface.

微點(diǎn)陣技術(shù)需要一個(gè)熒光、輻射或彩色讀出的測(cè)試步驟亚洲一区免费视频，具有一定分辨率的掃描儀對(duì)點(diǎn)陣表面的每一個(gè)有址可尋的點(diǎn)進(jìn)行分析作爱超A级黄色视频。

It's just radioactive enough for us to track the air moving through your lungs.

其放射性足以使我們能夠追蹤在你肺部的空氣運(yùn)動(dòng)

The results show that the allanite is partly-metamict, which was caused by the radioactive decay of Th, U existing in the lattice of allanite.

從而探討其結(jié)構(gòu)特性，形成條件亚洲国产一区二区三区，巖體演化與稀土元素演化的關(guān)系欧美日韩在线观看二区视频。

Atomic number Z = 25, atomic weight of 54938, the chemical symbol Mn, only the F there is a stable isotope, radioactive short-lived, there are three kinds of allotrope α,β,γ.

原子序數(shù)Z＝25，原子量54938亚洲中文九九九，化學(xué)符號(hào)為Mn自拍视频偷拍天堂，只F有一種穩(wěn)定同位素国产三级精品三级，放射性的壽命很短，有三種同素異形體α五月综合色色、β思思99re6精品视频免费观看、γ。

The radiation of alpha particles during radioactive decay.

在放射性衰變的歷程中放出α粒子的輻射国模AⅤ私拍一区二区。