6. So far we have dealt with power needed to operate the radio transmitter.

7. Liquid hydrogen is the best propellant for the nuclear rocket found so far.

or so

8. There are about a hundred elements. These hundred or so elements combine in various ways to produce the innumerable different substances.

9. For the last one hundred years or so the worlds consumption of fuels such as coal, oil and natural gas has greatly increased.

and so on, and so forth

10. The technical unit of force is the "dyne". However, force may also be measured in more common units, such as pounds, kilograms and so on.

11. In the atmospheres of the major planets there is no trace of hydrocarbons such as acetylene, ethane, ethylene and so forth.

12. On the Earth, outside forces that slow down moving objects include friction with the surface, friction with air, collision with other objects, and so forth.

3. Переведите предложения, обращая внимание на перевод несвободных словосочетаний - with respect to (smth.), with (in) reference to (sm h.), as regards (smth.), with (in) regard to (smth.), выполняющих функцию предлога. Все они имеют одинаковое значение «в отношении» (§ 62).

with respect lo (smth.)

1. Secondary electrons vary widely with respect to energy.

2. Acceleration is the rate of change of velocity with respect to time.

3. The Earths constant revolution causes slight changes every day in the position of each hemisphere with respect to the sun.

with (in) reference to (smth.)

4. Relative wind is the motion of the aii with reference to an object.

with regard to (smth.), in regard to (smth.)

5. We are to-day so familiar with certain ideas in regard to the Earth, the Sun and other members of our solar system that we forget that these conceptions are really not so very old.

6. In regard to the size of an electrical conductor, the resistance is found to be directly proportional to the length of the conductor and inversely proportional to its cross-sectional area.

7. The close similarity of Venus and the Earth with regard to size and mass means that the surface gravities must be much the same.

* collision - столкновение

8. Having made a decision witii regard to interplanetary trajectory to be followed, it will be necessary to consider the mode of entry into this trajectory.

as regards (smth.)

9. As a result of previous investigations, we may say that isotopes have different atomic weights but are identical as regards all their other chemical properties.

10. As regards the dark regions of Mars, they are found to undergo seasonal variations.

11. Barometer was at the time of its introduction considerable btep forward as regards the ultimate* sensitivity achievable.

4. Переведите предложеиия, обращая внимание на ю, что приведенные несвободные сочетания выступают в функции предлогов и имеют значение «благодаря», «в силу», «ввиду», «из-за»:

because of (smth.), due to (smth.), in(by) virtue of (smth.), in view of (smth.), on account of (smth.), owing to (smth.), thanks to (smth.)

because of (smth.)

1. Because of the very low density, it is difficult to measure directly the temperature of the upper atmosphere.

2. Because of the high consumption of the rocket motor, the propellant is always a high percentage of the all-up weight of the vehicle.

due to (smth.)

3. The actual distance of the Earth from the Sun varies nearly 3 million miles due to the eccentricity of the Earths orbit.

in (by) virtue of (smth.)

4. That property in virtue of which a body offers resistance to a change in its motion is called inertia.

5. Normally, radio-waves of the short wave-band, lying between 10 and 20 meters, are reflected by the high-lying F-layer, in virtue of its concentration of free electrons.

in view of (smth.)

6. In view of the existence of isotopes it is necessary that atoms have two numbers with the chemical symbols to show exactly which atom variety is meant.

on account of (smth.)

7. The flow of a gas is a more complex problem than the flow of liquids on account of the great compressibility of the former.

8. The Earths atmosphere exerts a pressure on account of its Weight in the same way as liquids do.

owing to (smth.)

9. Owing to its great mass, Jupiter has a very marked effect Чроп the motions of other members of the solar system including the asteroids and comets.

ultimate - конечны!), окончательный

10. Owing lo the eccentricity of the orbit the average distdnce of Mars from the Earth is reduced from 141 million miles to 129 million miles wiien Mars is closest to the Sun.

thanlts to (smth.)

11. We are familiar with the principles of the equilibrium of levers lhanlis to the ancient Greeks.

5. Переведите предложения, обращая внимание на то, чю предлоги apart from (smtfi.) и aside from (smtfi.) имеют значение «помимо», «кроме (чего-л.)».

apart from (smth.)

1. Apart from the ninety-two elements in nature a few have been created by scientific processes.

2. Apart from determining the structure of the atom, Rutherfords experiments led to a number of other important discoveries.

3. During the process of fission of uranium, apart from the large fragments, a number of neutrons is also released.

aside from (smth.)

4. The choice of exit nozzle shapes, aside from thermal considerations, is primarily determined by internal and external factors.

5. Aside from supplying power, the development of atomic energy has brought many other important benefits.

6. Переведите предложения, содержащие несвободные словосочетания, близкие по смыслу и выполняющие роль предлогов:

along with (smth.), combined with (smth.), in conjunction with (smth.), together with (smth.). Bee они переводятся слонами «наряду с (чем-л.)», «вместе с (чем-л.)» (§ 62)

along with (smth.)

1. The Earth circles around the Sun along with eight other sizable planets.

2. Along with its performance advantages, there are several disadvantages that must be stated in connection with airbreathing engines.

3. Particle accelerators may be used for the generation of powerful X-rays, which, along with the radio-isotopes, have many applications in therapy and diagnostic work.

combined with (smth.)

4. The interest in nobelium is due to its nuclear properties combined with its corrosion resisting characteristics.

5. A need exists for airborne electronic equipment of minimum size-and weight combined with utmost reliability.

in conjunction with (smth.)

6. The air speed indicator is used in conjunction with the sensitive altimeter.

* lever - рычаг

* benefit - преим>щество, выгода