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1. Preparation of nuclei and gel retardation assays.

2. Clearly comet nuclei are very weak.

3. Some reactions between deuterons and lithium nuclei.

4. Iron nuclei have the largest binding energy per nucleon; hence neither fission nor fusion can release further energy.

5. She noticed that the nuclei of the cells of the quail embryo looked slightly different from those of the chick embryo.

6. Frequent breakup and erosion of cometary nuclei provides not only vast quantities of meteoric dust, but also occasional larger fragments.

7. Furthermore, the particles act as nuclei for droplets of water vapour.

8. Egg cytoplasm could redefine the fate of blastocyst nuclei that were transferred into them.

9. Alpha particles are just high-energy 4He nuclei; after decelerating and picking up electrons, they become atoms of 4He.

10. Such nuclei behave as if they have a-particles rattling around inside them.

11. From the desk lamp,(sentencedict.com) glassy nuclei of brightness followed the words he wrote.

12. Is it possible, they asked, that nuclei from two-cell embryo are simply less robust than nuclei from zygotes?

13. You want to force those nuclei together while nature is designed to prevent it.

14. Nuclei were isolated from cell lines or spleen from transgenic animals or inbred mouse strains.

15. The daughter nuclei are solids and form cationic clusters with water in the atmosphere.

16. As they move upwards they lose their nuclei and synthesize the special proteins like keratin that give the skin its protective toughness.

17. To coordinate this work, the existing nuclei of these parties must be brought together in an international organization.

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

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

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

21. This is an accelerator constructed for nuclear structure research using heavy ions, and it can produce exotic nuclei.

22. The reason why fusion is more likely between spin polarised nuclei is straight forward.

23. After larger doses, chromosomes are seen to break and cell nuclei to fragment.

24. For each treatment at least seven pairs of limbs were examined and over 1,500 nuclei counted.

25. As the red blood cell has little cytoplasm, the effect is that both nuclei become surrounded by HeLa cytoplasm.

26. The procedure is hygienic in the sense that only the nuclei travel through the tube.

27. At this point it must seem paradoxical that atomic nuclei containing several closely packed protons exist at all.

28. Such a model facilitates accurate predictions of the average change in charge radii for nuclei.

29. The activity of a radioactive substance is the number of nuclei decaying per second.

30. According to the theory, negatively charged electrons within atoms orbit around positively charged nuclei.