Пояснение к тексту

1. no matter how big the radius — каким бы большим ни был радиус

Слова для запоминания

n beam, curvature, vessel

v adjust, correspond, cross, guide, inject, push

a circular, close, linear, narrow

adv exactly, rapidly

cj until

Слова для повторения

n cause, path, shape

v cause, hold (held), keep (kept), make smb. (smth.) do smth., shape, surround

IV. Прочтите и переведите предложения, обращая внимание на перевод оборота «объектный падеж с инфинитивом»:

1. The engineers consider the cyclotron to be the simplest and oldest type of accelerator.

2. We believe electrons in a synchrotron to travel on a circular orbit inside a narrow vacuum vessel.

3. The designers may expect the electrons to be injected into the vessel from a smaller linear accelerator.

4. They supposed the greater part of energy to be used for supplying plants in that region.

5. We saw the dimension of the body change under different temperature conditions.

6. Any student must know a voltmeter to be used for measuring the potential difference between any two points in a circuit.

7. Engineers think these cables to disturb the reception.

8. We thought these superconductive materials to be pro­duced in M.

9. The designers assume the system operation to be improv­ed as a result of replacing some of its parts.

V. Прочтите и переведите предложения, обращая внимание на особенности перевода пассивных конструкций:

1. The velocity of chemical change is greatly influenced both by temperature and by the concentration of the solutions.

2. The deflection of beams is influenced both by field intensity and by other factors.

3. The curvature of the circular path was affected by a magnetic field.

4. Simple particle accelerators were followed by more powerful ones.

5. Experimental application of radioisotopes was followed by their industrial use.

6. The circular orbits were referred to as the most suitable for this purpose.

7. The advantages of synchrotrons were much spoken about at the research institute.

VI. * Прочтите предложения, укажите номера предложений, в ко­торых выделенные слова являются глагольными формами, и переведите все предложения:

1. A vertical magnetic field provided a constant inward push and held the ion in a circular path.

2. The change in volume of a fixed quantity of a gas is equal to 1/273 provided the pressure is constant.

3. The engineers had to find the cause of the motor bad operation.

4. A physical change may cause a temporary change of some properties of a substance.

5. The amount of heat released as a result of explosion was very great.

6. The total weight of radium produced up to 1940 amounted to about one kilogram.

7. The shape of the thermistors is determined by many factors.

8. Very often a thermistor is shaped like a ball.

9. We knew the power of first cyclotrons to be very small.

10. Light energy is used to power spaceships with electricity.

VII. Прочтите и переведите предложения, обращая внимание на перевод союза "until":

1. The energy of the electrons increases until the magnetic field of the synchrotron becomes weaker.

2. The electrical properties of germanium remain unchanged until it is exposed to light.

3. The laboratory will not be able to carry out important scientific researches until it is equipped with up-to-date instru­ments.

4. Until the order is sent, the spaceship will follow the same path.

5. The body had the same shape until external pressure was changed.

6. The speed of the reaction was very great until the temperature decreased.