1. The nucleus of a deuterium atom contains a proton and a neutron.

2. He hoped that the tightly packed deuterium atoms would be set in motion, their nuclei bumping into one another and fusing.

3. Deuterium is present in small amounts in water, from which it can be extracted at very modest cost.

4. So if all the deuterium fused it could generate substantial heat in the Earth.

5. But mastery of helium-3 / deuterium fusion may permit other entirely new applications.

6. Nuclear fusion reactions between deuterium ions produced between 10 5 and 10 6 neutrons per pulse.

7. To produce deuterium requires an environment of high energy.

8. Specifically, the ratio of heavy hydrogen, or deuterium(), to regular hydrogen was too high in the comets.

9. Deuterium containing helium absorption of unsaturated uranium deuteride with different composition at varied initial pressure is studied.

10. The hydrogen content in electrolyzed deuterium is an important index to determine the deuterium purity.

11. Recovering deuterium from uranium deuteride bed by means of the isotopic exchange reaction between the solid and gas phases at room temperature is introduced.

12. The figure on page 28 shows the make-up of these simplest nuclei and illustrates what happens when two deuterium nuclei collide.

13. He has examined a number of competing fusion schemes, and found helium-3 / deuterium fusion to be the most attractive.

14. The calculations by Frank and the Soviet theoreticians had dealt with the fusion of proton and deuterium or of two deuterium nuclei.

15. But there would be some D-D reactions in a reactor filled with deuterium and helium-3, which do produce neutrons.

16. There are only two barriers to commercial generation of cheap, clean electricity from helium-3 and deuterium.

17. But the atmospheres of the Jovian planets contain astronomical amounts, and high concentrations, of both helium-3 and deuterium.

18. In the observed spectrum we find that several low frequency bands shift on deuterium substitution.

19. A nearly limitless primary energy source is the fusion of deuterium or heavy hydrogen (one proton and one neutron), which is found in the water of the earth.

20. The calculated results show that the expense of tritium under irrddiation of deuterium beam on TTi target is caused by the replacement of the injected deuteron.

21. But there's an answer: Add a neutron to the single proton in the heart of every hydrogen atom and you have deuterium, also known as "heavy hydrogen."

22. A method has been described for accurate determination of deuterium abundance in the lithium hydrogenate deuterate by mass spectrum analyzing technology.

23. Deuterium heavy water electrolysis is one of the most important generating deuterium methods.

24. An isotope of hydrogen with mass number greater than 1; deuterium or tritium.

25. Heavy water (D2O) is the most feasible moderator and coolant in nuclear-fission reactors while deuterium (D) will be the nuclear fuel for thermonuclear fusion in the distant future.

26. The researchers used what's called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.

27. A mixture of meteoritic water and cometary water would not work either because this combination would still contain a higher concentration of deuterium than is found in the oceans.

28. A method has been described for accurate determination of Deuterium abundance in the Lithium Hydrogenate Deuterate by mass spectrum analyzing technology.

29. During the 1970s, attempts were made to use cosmic ray spallation to produce deuterium. These attempts failed to produce deuterium, but did unexpectedly produce other light elements.

30. This radiation triggers a fusion reaction between the tritium and deuterium isotopes of hydrogen produced by the irradiated compound. A thermonuclear explosion follows.

31. The fuel will be made from two heavy forms of hydrogen, called deuterium and tritium.

32. The D/H ratio is the proportion of deuterium, or heavy hydrogen, in the water.

33. Aim To synthesize deuterium labelled iptakalim hydrochloride and confirm the MS fragment pathways of iptakalim hydrochloride.

34. The results indicate:relative standard deviations are better than 0.2% for gas samples of different deuterium abundance. Measure value is believable in the error range of 0.2%.

35. The rings are opened with hydrogen chloride and deuterium chloride.

36. The feasibility of using quadropole mass spectroscopy to differentiate helium and deuterium was discussed.

37. Currently the cleanest probe of big bang nucleosynthesis is the abundance of deuterium.

37. try its best to collect and make good sentences.

38. Cold fusion has been investigated by the electrolytical method and the deuterium absorption method.

39. If you produce orthohydrogen, then this also creates deuterium in which is what you want.

40. Deuterium is widely used in the study of reaction mechanisms and in spectroscopic studies.

41. In real life, you're not likely to refine deuterium oxide, but you are likely to depend on remote servers and beefy databases.

42. Water from most natural sources contains about 0.015% deuterium oxide; this can be enriched or purified by distillation, electrolysis, or chemical processing.

43. The substituent is deuterium.

44. What's more, it detected comparatively high levels of the isotope deuterium in Venus'upper atmosphere.

45. Odorants such as acetophenone and deuterated acetophenone, for example, have the same molecular structure; one is just built from a slightly heavier hydrogen atom, known as deuterium.

46. More reactive are the heavier isotopes of hydrogen, deuterium and tritium.

47. Plasma characteristics of a plus ed vacuum discharge deuterium ion source were investigated by emission spectroscopy.