| 释义 |
tho·ri·um 英ˈθɔːriːəm, ˈθəʊr-美ˈθɔriəm, ˈθor-AHDthôrʹē-əm, thōrʹ- 高COCA⁶⁵⁰⁴⁸BNC⁶⁸²⁴⁵iWeb²⁹⁰⁵¹Economist¹³⁸⁸⁷
基本英英词源搭配记法近义反义派生词例句
n.化钍符号Th;原子序90简写符号Th
Noun:
a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands来自 Thor,雷神索尔，-ium,元素后缀。由其发现者 19 世纪瑞典化学家 Jons Jakob Berzelius 以北欧神话中的英雄人物雷神索尔命名。thorium tetrachloride氯化钍thorium family钍系核素, 钍族…thorium carbide碳化钍thorium nitrate硝酸钍thorium ore钍矿thorium breeder钍增殖堆thorium fluoride氟化钍thorium emanation钍射气thorium oxalate草酸钍thorium nitride氮化钍thorium dioxide二氧化钍thorium series钍系thorium hydroxide氢氧化钍thorium pyrophosphate焦磷酸钍thorium oxide氧化钍,二氧化钍…
thor-ium生化名词⇒n.化钍符号Th;原子序90近义词 TH磁带处理程序=Tape…
Pmesothorium新钍Pmeso-thorium新钍Pradiothorium放射性钍射钍Psuxamethorium丁二酰胆碱丁二酰二胆碱Ptricyclopentadienyl-fluorothorium氟化三茂钍Ptricyclopentadienyl-bromothorium溴化三茂钍溴化三环戊二烯基钍
At issue is coal's content of uranium and thorium, both radioactive elements.
原因是煤中含有的两种发射性元素：铀和钍。 yeeyan
So, you've got polonium or thorium sitting inside this leaded box with one opening.
把钋或者钍放在,开一个小口的含铅的盒子里面。163
The calculation from the neutrino work yields20 terawatts for uranium and thorium.
从中微子工作计算出铀和钍约产出20太瓦。 yeeyan
The reason is that the ash left over when coal is burned contains radioactive elements, notably uranium and thorium.
理由是煤燃烧过后省些的煤灰含有放射性元素，尤其是铀和钍。 ecocn
Another post today discusses using thorium to help safeguard facilities from meltdowns.
当日发布的另一个帖子提出，用钍Th元素来帮助防止核设施溶解。 yeeyan
Because of their similar chemical properties, the rare earths tend to clump together in rocks, often along with radioactive thorium or uranium.
因为化学特性相似，稀土金属在石块中成团积聚，多数时候还与钍、铀等放射性物质一起。 yeeyan
But when coal is burned into fly ash, uranium and thorium are concentrated at up to10 times their original levels.
但是一旦燃烧成浮尘，铀和钍的浓度增长到原始水平的10倍。 yeeyan
Calculations suggest, for instance, that in the nucleus of the isotope thorium-229 is a transition that should emit ultraviolet rays.
举例来说，计算表明，钍-229的原子核内存在着能发出紫外线的转变过程。 yeeyan
Compared to uranium, thorium is far more abundant as well as much more energy- dense.
与铀相比，钍的储藏量更为丰富，能量密度也更高。 yeeyan
For all of these reasons, a growing number of scientists and energy experts believe that the world should switch from uranium to thorium as its primary nuclear fuel.
出于所有这些理由，越来越多的科学家和能源专家认为，主要核燃料应该从铀转换成钍。 yeeyan
In this case the geologists drilled into the stalagmites and estimated their age from the way that uranium decays into an isotope of thorium.
地质学家在石笋上钻孔，使用铀衰变成钍的同位素的方法确定它们的年龄。 ecocn
No, she told me, because thorium reactors are not a proven technology.
她告诉我她不支持，因为钍反应堆不是一种被证明可靠的科技。 yeeyan
Potassium, phosphorus and thorium are other elements that lunar rocks have to offer a potential mining venture.
钾、磷、钍是月岩可向将来的采矿企业提供的其它元素。 yeeyan
Rare earth mines often also contain radioactive elements, such as uranium and thorium.
稀土矿山常常也含有放射性元素，比如铀和钍。 yeeyan
Scientists are using the instrument to create maps of the moon's surface composition, showing the presence of thorium, potassium, oxygen, magnesium, silicon, calcium, titanium and iron.
科学家们正在用该装置建立月球表面成分地图，上面会显示出钍，钾，氧，镁，硅，钙，钛和铁的分布。 bbs.chinadaily.com.cn
Sorensen estimates that between 5,000-6,000 tonnes of thorium could produce as much energy as the world currently consumes each year.
索伦森估计，5000-6000吨的钍就可以产生相当于目前世界上每年能耗量的能源。 yeeyan
That model estimated that uranium and thorium together accounted for about16 terawatts of the approximately44 terawatts of heat produced by the Earth.
该模型估计，铀和钍（一起产生占地球产生的约44太瓦热量中的16太瓦。 yeeyan
The team's measurement of thorium revealed the overall abundance pattern of heavy elements for this object.
该队的测量发现钍的总体格局丰富的重元素，为这个目的。 bj.astronomy.com.cn
There are a number of different ways to use thorium to produce electricity.
用钍发电有许多不同的方式。 yeeyan
This is because coal contains trace amounts of uranium and thorium, which are concentrated in the ash.
这是因为煤含有极微量的铀和钍，含量在排放的飞尘中得到提高。 yeeyan
Unlike most supernovae, this one spewed lots of elements far heavier than iron, including radioactive thorium and uranium.
这颗晕星不同于大多数超新星，它吐出的许多元素比铁还重，其中包括放射性钍和铀。 yeeyan
Uranium or thorium ores and concentrates.
铀或钍矿砂及其精矿。 china-customs |