thorium 造句,用thorium 怎么造句子(26句)

thorium 造句,用thorium 怎么造句子

1、fertile thorium 232.『3words』

2、thorium lead age『3words』

3、advanced epithermal thorium reactor『4words』

4、Analytical method of thorium in water『6words』

5、Uranium or thorium ores and concentrates.『6words』

thorium 造句,用thorium 怎么造句子

6、Determination of thorium dioxide in thorium-tungsten alloys--Weight method『8words』

7、A radioactive isotope of thorium with mass number228.『8words』

8、Radium， uranium， and thorium are radioactive metallic elements.『8words』

9、impregnate with thorium oxide to increase thermionic emission.『8words』

10、The daughters of radon and thorium are easily adsorbed by aerosols.『11words』

thorium 造句,用thorium 怎么造句子

11、They recognized that in a thorium province Pb208 would present complications.『11words』

12、So， you've got polonium or thorium sitting inside this leaded box with one opening.『14words』

13、Helium is the by product of millennia of radioactive decay from the elements thorium and uranium.『16words』

14、Potassium， phosphorus and thorium are other elements that lunar rocks have to offer a potential mining venture.『17words』

15、There are some radioactive nuclides such as uranium， radium， thorium and polonium in pit effluent of uranium mine.『18words』

16、a radioactive mineral consisting of thorium silicate； it is a source of thorium that is found in coarse granite.『19words』

17、By measuring the decay of radioactive uranium and thorium present in the encrusted speleothems， the geologists dated the layers.『19words』

18、Chemical compounds and mixtures containing uranium and thorium are active in direct proportion to the amount of these metals contained in them.『22words』

19、I found in this way that of the other elements known， only the cornpounds of thorium behave like the compounds of uranium.『22words』

20、There are some radioactive nuclides such as uranium， radium， thorium and polonium in pit effluent of uranium mine. The effluent must be treated before discharging.『25words』

thorium 造句,用thorium 怎么造句子

21、Surprisingly for astronomers and nuclear physicists， the abundance ratios of thorium to other heavy elements are very similar to ratios found for Milky Way stars.『25words』

22、Thorium ore， uranium ore， or mixed ore of uranium and thorium In which the rate of content weight uranium and thorium is higher than five-ten thousandths.『26words』

23、I was struck by the fact that the activity of uranium and thorium compounds appears to be an atomic property of the element uranium and of the element thorium.『29words』

24、Deep underneath your feet is a hellish stone soup， kept hot by a torrent of radiation from poisonous isotopes of uranium， thorium and potassium in the earth's superheated mantle.『29words』

25、Their discovery marks the first abundance determination of the actinides element thorium in a star beyond the Milky Way， and follows the detection of thorium in more than ten stars within the Milky Way.『34words』

26、“The natural series are the thorium series， the uranium series， and the actinium series. These are headed by naturally occurring species of unstable nuclei that have half-lives comparable to the age of the earth."『34words』

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