查询词典 uranium dioxide

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

其稳定的同位素为铀和其它重金属放射衰变后的最终产物。

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

其稳定的同位素为铀和其它重金属放射衰变后的最终产物。

However, some of the minerals contain xenon isotope s unlike those usually produced by radioactive decay of uranium

然而，有些含氙同位素的矿物并非如此，是由铀的放射性衰变产生的。

A radioactive element of the actinide series; found in uranium ores.

锕类的放射性元素，见于铀矿中。

So you're saying the radioactive uranium in his urine is irrelevant.

所以你的意思是尿中的放射性铀是无关的

Comprehensive studies showed the radiogenic uranium plays an important role in hydrocarbon generation.

综合以上分析，认为放射性铀对油气生成具有氧化催化作用。

Radiogenic heat, even from a fairly deep-seated uranium orebody, could be measured.

即使铀矿体埋得足够深，它的放射成因热也能被测出。

Radiometric techniques are not always appropriate to the earth for uranium deposits.

放射性方法在铀矿普查中并不总是有效的。

And that rare metals mining exists uranium and thorium radioactive pollution.

而稀有多金属矿的开采可能带来铀和钍等放射性污染。

"We've already gotten uranium results, which have never been reported before," said Robert Reedy, a senior scientist at the Tucson-based Planetary Science Institute, and a member of the Kaguya science team."We're getting more new elements and refining and confirming results found on the old maps."

来自位于Tucson的行星科学研究所资深科学家，名为"Kaguya"科学小组的一位成员Robert Reedy说："我们已经获得了釉的信息，以前从未有过这一报道，我们获得了更多的新元素，还会对老地图上的结果进行修正和核实"

We have limited budget let me know if you can do this competitively.

我们有限的预算让我知道如果你能做到这一点竞争力。

We don't know how other critters breathe--lizards, for example.

我们还不知道诸如蜥蜴之类的动物如何呼吸。