查询词典 uranium dioxide

There is some good ore in Canada and the former Czechoslovakia, while the most important source of uranium is Belgian Congo.

有一些好的在加拿大和以前的捷克斯洛伐克，然而最重要的铀来源是在比利时和刚果。

Studies of petrology and elemental geochemistry indicate that the Xiangshan uranium ore-field dacite porphyry belongs to intra-plate shoshonitic rock type and is a kind of shoshonitic dacite porphyry.

岩石学、元素地球化学研究表明，相山铀矿田的英安斑岩属于板内型钾玄质岩类，为钾玄质英安斑岩。

It occurs in Uranium ores as a by product of nuclear decay.

它作为一种原子核衰变的副产物，产生在铀矿石里。

Radon gas is a natural, chemically inert gas that is a natural decay product of uranium.

氡气是一种天然、化学惰性气体衰变产物，是一种天然铀。

The heaviest of the halogen series; a decay product of uranium and thorium.

素'。''''。'系列'。''中最重的一种），铀和钍腐烂的产物。

A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

一种极不稳定的放射性元素，铀和钍腐烂的产物。

A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium

a。 最多的；多数的，大部分的ad。最，最多；很，十分n。大多数，大部分a。最多的；多数的，大部分的

While (superscript 4) He is the decay product of uranium and thorium, mainly concentrated in the continental crust, and is approximately proportional to the heat flux of crust.

由於铀、钍元素在大陆地壳中富集，(上标 4) He通量与地壳热流呈正相关关系；同时(上标 3) He通量与地幔热流之间呈正相关。

Radium does not occur free in nature but occurs in natural ores such as pitchblende as a disintegration product of radioactive decay of heavier elements, including uranium.

在自然界镭不存在游离状态，但存在于天然矿石中，如沥青铀矿，是更重元素放射性衰变的产物。

Radium does not occur free in nature but occurs in natural ore s such as pitchblende as a disintegration product of radioactive decay of heavier elements, including uranium.

在自然界镭不存在游离状态，但存在于天然矿石中，如沥青铀矿，是更重元素放射性衰变的产物。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。