6. Translate into Russian paying attention to the infinitive constructions:

1. Deformation appeared to have no measurable effect on conductivity.

2. They seem to have applied strong ionization.

3. The people from the Institute of Optics are known to work hard at a new device.

4. This method is believed to have given good results.

5. The result is expected to agree with theoretical predictions.

6. Other gases were found to behave like air.

7. The presence of neutrons is likely to raise no problems.

8. This substance has never been thought to possess radioactive properties.

9. This substance is seen through a microscope to consist of small crystals.

10. There seems to be some confusion of terms in the paper.

11. This device proves to differ from the old ones.

12. This report is sure to be of interest for many people.

13. These elements are known to have been found twenty years ago.

14. The light from a star only recently discovered is known to be coming to us many years.

15. A new method is certain to give good results.

16. Pluto proved to have a diameter of only 3600 miles.

17. This planet is unlikely to have retained any appreciable atmosphere.

18. A nucleus sometimes happens to capture an electron from the k shell.

19. The chief difficulty turned out to be the determination of the formulae of the compounds.

20. This method does not chance to offer any advantages over the discussed above.

7 . Translate into Russian paying attention to the infinitive constructions:

1. Experiments have proved the pressure of a gas at fixed temperature to depend on its concentration.

2. Dr. Baker believes the conductivity to be due to foreign impurities.

3. We have thought this law to hold only for gases which are under normal conditions.

4. They expected the acceleration to be different for different weights but this was not the case.

5. It is customary to consider the electric current to flow in the opposite direction to the motion of the electrons which constitute it.

6. We may suppose the alpha particles within the nucleus to be in motion.

7. We consider the hotness or coldness of anybody to depend on the quantity of heat possessed by the body.

8. We expect process 1 to dominate for crystals of high purity and high perfection.

9. As in the previous case they will consider these acceptor levels to lie 0.01 – 0.04 electron volt above the top of the filled band for silicon and germanium.

10. Modern optical instruments produce so much information that automatic methods of recording and analysis are needed to enable the brain to comprehend it.

11. The increased thermal energy causes some of the electrons to populate levels in the conduction band where, influenced by an external electric field, they are free to move.

12. Traditional theory considered colours to be the result of the modification of white light.

13. Newton thought he heard Hooke accept his theory of colours.

14. Newton proved it to be true for all spherically symmetric bodies.

15. He considered the brain to be the most important organ for the secretion of this “electric fluid” and the nerves to be conductors of the fluid to the muscles.