uranium 六级GMAT

bombard uranium with neutrons

用中子轰击

Uranium is a lithophile element.

是亲石元素。

Uranium tetrafluoride;

四氟;

Rossing uranium mine is the only operating uranium mine in the world where the uranium occurs in intrusive alaskite.

罗辛矿山是目前世界上惟一尚在运营中的侵入体白岗岩型矿。

a tonne of highly enriched uranium

一吨高纯度的

uranium shutters shield the cobalt radioactive source.

遮光器屏蔽钴辐射源。

They went over nationwide in search of uranium mines.

他们为了探寻矿走遍了全国。

Australia has major coal, gas, and uranium reserves.

澳大利亚的、天然气和的储量很多。

uraninite in massive form is called pitchblende which is the chief uranium ore.

块状的晶质矿称为沥青矿，是主要的矿石。

It has converted yellowcake into uranium hexafluoride gas.

它已经把“黄饼”转为六氟气体。

At Scinto 6 uranium occurs in much altered dolerite below the unconformity.

“辛托6”的矿体产于不整合面之下变质甚深的粒玄岩中。

So little is known about it, because there is only about 1 ATOM OF FRANCIUM IN A CUBIC FOOT OF URANIUM ORE!

对它所知甚少,因为在1立方英尺的矿石中,仅有1个钫原子!

Objective To investigate more effective substances or their combination for depleted uranium (DU) decorporation.

目的比较常见的几种贫促排剂,寻找高效低毒的药物或组合方案。

Absorption velocity increases with initial pressure, and keeps constant at different initial composition of uranium deuteride.

增混合气体的初始压力有利于吸速率的增，的初始量不影响的吸速率。

Lightering rely on the port, the output of cocoa, timber, uranium ore, and other selected.

港口依靠驳运，输出可可、木材、精选矿等。

"euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium , erbium, titanium, uranium, and yttrium."

"黑稀金矿:一种光亮的棕黑色稀土矿石,主要由铈、铒、钛、和钇构成."

"黑稀金矿:一种光亮的棕黑色稀土矿石,主要由铈、铒、钛、和钇构成."

"euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium , erbium, titanium, uranium, and yttrium."

There was another example, and that was the famous case of the alleged contract between Iraq and Niger for the import of yellowcake, uranium oxide.

存在这样一个例子，就是那个著名的被宣称的伊拉克和尼泊尔间的冲突，因为“黄饼”-氧物-的进口。

Late Jurassic, the sag compression uplift along yamasaki, and the stratums was airslake and denudation, forming paleo interlamination oxidized zone and uranium mineralization;

晚侏罗世挤压上隆，沿山前遭受风剥蚀，形成古层间氧带和矿；

Several passive biosorption mechanisms of uranium such as complexation,redox,microprecipitation and ion exchange are discussed,and the trend of development is forecasted.

探讨了微生物对的被动吸附机理,论述了其表面配合、氧还原、无机微沉淀及离子交换等过程,并进行了展望。