1.铀
uranium is a naturally occurring radioactive metal that is used to produce nuclear energy and weapons.
1.
1. (化学元素)铀:Cesium:(化学元素)铯 |uranium:(化学元素)铀 | Muse:细想
2. 增压排空:提铀:Exatraction ofuranium | 增压排空:uranium | 铀合金:uranium alloy
3. 铀云母类矿物:uranite 铀云母 铀云母类 |uranium 铀云母类矿物 |uranium-actinium 锕铀
镭和铀是放射性元素。
uranium is used to fuel nuclear plants.铀用作核电厂的燃料。
It was actually used for enriching uranium to weapons-grade levels.实际上,它是用来将铀浓缩以制造武器。
Enriched uranium is a key component of a nuclear weapon.浓缩铀是核武器的关键组成部分。
uranium is soluble in sea water.铀可溶解于海水。
They went over nationwide in search of uranium mines.他们为了探寻铀矿走遍了全国.
Only 7 uranium atoms of every 1,000 are U - 235.在每1000个铀原子当中,只有七个是铀235.
To make the fissile material, he needs to develop an ability to enrich uranium.为了得到分裂物质,他需要发展浓缩铀的能力。
uranium is available in considerable quantity from various areas of the world.世界上许多地区都有相当数量的铀储量。
At Scinto 6 uranium occurs in much altered dolerite below the unconformity.“辛托6”的铀矿体产于不整合面之下变质甚深的粒玄岩中.
A metal called uranium gave off a kind of radiation.一种叫铀的金属会发出一种射线.
Pitchblende and chalcolite are much more radioactive than uranium itself.沥清铀矿和铜铀云母比纯铀的放射性强得多.
The concept holds that uranium is leached by groundwater from tuffeceous rocks.该理论认为,来自凝灰岩的地下水淋蚀铀.
The earliest production reactors necessarily used normal uranium as fuel.最早为生产用的反应堆,必须使用普通铀作为燃料.
uranium minerals also occur in the basal beds of the kombolgie formation.铀矿物也见于科姆波尔吉建造的基底层位中.
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.
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.