铀的

It avoided the thorniest issues of nuclear proliferation and did not attempt to advance Mr.

一些人批评说，峰会没有为武器级别铀和钸的处置达成实质性的承诺。

S. believes t h at sanctions on Iran's energy exports mig h t force Te h ran to renounce its uranium-enric h ment ambitions. Iran h opes its t h reats to wit h h old some or all of t h ose exports will persuade t h e international community to back off.

美国认为，对伊朗的能源出口进行制裁或可迫使德黑兰放弃其铀浓缩的野心；伊朗则希望以威胁停止部分或全部石油出口来迫使国际社会作出让步。

A complex brownish - black mineral,UO2,forming the chief ore of uranium and containing variable amounts of radium,lead,thorium,and other elements.

沥青铀矿黑褐色的合成矿，UO2，主矿为铀，还包括不定数量的镭、铅、钍和其他元素当有棕色蒸气析出时，加料要中断，以免反应过分激烈。

They might take out officially declared sites, but intelligence agencies know that there are others too, like the weapons-sized uranium-enrichment plant being built secretly in a mountainside on a well-guarded compound near Qom whose existence was revealed only four months ago.

官方公布的核基地可以被摧毁，但情报机构却披露仍有另外几处，像秘密建于山区的一座武器级铀浓缩工厂，有着重兵把守，于四个月前被曝光。

The results show that the graphite coat after vacuum heat treatment can protect the uranium surface.

经过真空热处理后的石墨层均能够起到对铀表面的保护作用。

The Iranians are making good progress on enrichment but there is absolute stone-walling on past military activities," said Mark Fitzpatrick of the International institute for Strategic Studies."It's very disappointing.

国际战略研究所(International institute for Strategic Studies)的马克·菲茨帕特里克称：&伊朗人正在铀浓缩活动上取得良好进展，但在以往的军事行动上完全拒绝合作，这让人非常失望。&

Translating into Adverbial Clauses of Cause 1 To make an atomic bomb, we have to use uranium 235, in which all the atoms are available for fission.

制造原子弹必须用铀 235，因为它的所有原子都可以裂变因为它的所有原子都可以裂变。

Fission of uranium 235 nucleus.

铀235的核心的裂变。

It remains unclear in precisely what manner North Korea will address U.S. concerns over its activities related to Syria and uranium enrichments.

现在还不清楚北韩将如何回应美国对北韩与叙利亚的关系以及铀浓缩问题的关注。

Yet some tests recorded levels of uranium in the ground water as high as 224 microgrammes per litre 15 times higher than the safe level of 15mcg/l recommended by the WHO.

然而，另外一些检验记录的当地地下水最高铀含量达到224毫克/升，是世界卫生组织15mcg/l安全标准的15倍。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。