查询词典 uranium-actinium

To slow down neutrons, the uranium may be put into the reactor in the shape of rods surrounded with a neutronslower such as carbon .

为使中子减慢，可以把棒状铀放进反应堆，其周围放上碳一类中子减速剂。

The uranium may be put into the reactor in the shape of rods, and the rods surrounded with a neutron-slower, or moderator

可以把铀做成棒状放在原子反应堆内，在铀棒的四周，围一层中子减速剂即节速剂。

Thus generation and accumulation of uranium has intrinsic relationship in origin with pyrite and organic matters.

铀的富集和铀矿的形成可能与黄铁矿、油气、煤等有机质有密切的成因关系。

Earlier claims by America about its scale seem exaggerated; still, it has evidence that Pakistan's nuclear racketeer, Abdul Qadeer Khan, sold the North uranium-enriching gear.

美国先前声称的数字可能被夸大，但也有证据表明，巴基斯坦的阿布杜勒·卡迪尔·汗教授曾卖给朝鲜离心机。

It is already known that the fine fly ash produced when coal is burned contains concentrated levels of uranium and a new report published by Russia's leading nuclear research institution warns of an increased radiation hazard to people living near coal-fired thermal power stations .

人们已经知道，煤炭燃烧时产生的"飞灰"中含有高浓度的铀；同时俄罗斯最顶尖的核研究机构的一项新报告指出，燃煤热电厂对附近居民的辐射威胁越来越大。

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

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新