may, might и could

Упражнение Переведите следующие предложения:

1. If we had a really pure insulator it could not be heated.

2. Earth behaves as though the attractive force were acting
at its centre.

3. It is of interest to inquire whether a radioactive charge
should be classed as chemical in character or not.

4. No fuel would burn in an atmosphere deprived of its
oxygen.

5. The early alchemists searched for a fluid which would
dissolve gold.

6. The chemistry of radium resembles that of barium as
we should expect from the position of these two elements
in the Periodic Table.

7. If the distance to the star be known, its candle power
can be judged from its apparent brightness.

8. There are many reactions which the chemist would
like to speed up; there are other reactions which we should
like to retard.

9. Should the anode grow too hot you must decrease the
power of the transmitter.

10. In view of the recent discovery of the positron, one
might suspect that these particles are extremely rare in nature.
Such is by no means the case.

11. The purest natural water is rain. Chemists, however,
would hardly consider it as being really pure.

12. First of all it should be emphasized that atoms and
molecules are infinitely small, so small that it is really
impossible for us to appreciate their masses.

13. The velocities are greatest in solids, which is what
one would expect since their elasticities are normally higher
than those of liquids or gases.

14. In order that a compound be in the large group of
substances termed acids, it must have the following properties.

15. A gas in the normal state conducts electricity to a
slight extent, however small the electric force may be.

16. Faraday stated as one of the laws of electrolysis that
the mass of the substance liberated at an electrode would

be directly proportional to the quantity of electricity sent through the solution.

17. One should carefully observe the definitions above
given of the words force, energy and power as any want of
clearness of ideas is fatal to an exact knowledge of physical
facts.

18. One of the most remarkable features of a seam of
coal, whatever its geological age may be, and in whatever
part of the world it may occur is its purity.

19. If the neutron and proton had the same mass, and
if the Coulomb energy were completely negligible, there
should be a definite correlation between the energy levels of
isobars.

20. Should the contents of this volume prove of any
assistance to others in enabling them to proceed with the
study of more advanced treaties, the author will feel amply
rewarded for his task.

21. Batteries performing innumerable useful services, one
can hardly imagine how we could do without them.

22. If we were to stand motionless and hold a weight in
our arms, we would grow tired, but we would not be
performing work in physical sense of the term.