Типовик_Ноябрь 2008 English. Учебное пособие для студентов технических вузов Английский язык Москва Издательство 2009 Утверждено учебным управлением мэи подготовлено на кафедре английского языка
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Тема 10. Местоимения We, You, They |
| Example: We (you, they) know that mobile phones are widely used all over the world. – Известно, что мобильные телефоны широко используются во всем мире. |
Translate the following sentences into Russian
A.
A few years ago they had an exhibition of the modern computer-control equipment in St. Petersburg.
The coming winter, they say, will be extremely cold.
They do not say that in Russian.
When we move the magnet, the magnetic field moves as well.
They say that he was a scientist to be known all over the world.
You can convert the chemical energy of fuel into the electric one.
We know that there are several ways of handling this difficulty.
They say there is no use of speaking about it.
They found a means to avoid overheating.
You know that the basic assumptions of this theory have been seriously called in question.
B.
We know the transformer to be an apparatus designed for changing the alternating voltages and currents by means of magnetic induction, the frequency remaining unchanged.
They report that the plants in question are to be equipped with all the modern installations working under steam pressure and at a very high temperature.
We know of the three-phase induction motors successfully being used in industry.
Of course, we have to increase the voltage supply to the coil in approximately the same proportion in order to gain the magnetic field.
You know that according to law of the Conservation and Transformation of Energy, it is impossible to create or destroy energy but it can be converted from one form to another.
If we were asked today to prove the existence of connection between electricity and magnetism, we could not do better than point to the electromagnet.
We know our physicists to have produced semiconductor thermoelements which without any machinery convert thermal energy into electric energy as efficiently as small steam installations do.
We shall turn our attention to two properties of electric current; one of them is resistance and the other one is self-induction.
You know from spectroscopic evidence that light capable of effecting this process can split halogen molecules into atoms.
In the experiment you shall take into account the main variables such as heat, pressure, and specific weight.
You know that in this case the method of geometrical means leads to more satisfactory results than that of arithmetic means.
Should we weigh the cord, we should find its weight so small as to be negligible.
We know the armature windings to cut the magnetic lines of force in order to produce electric current.
To utilize the generated energy, we need the machine that will reconvert electrical energy back into mechanical one.
In considering this point we must refer to the recent works by Russian scientists.
Тема 11. Неполные обстоятельственные предложения времени и условия
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Examples:
A magnet loses its properties, when heated. – Магнит теряет свои свойства при нагревании.
Although a teenager, Faraday had to work as a bookbinder’s apprentice. – Хотя Фарадей был подростком, ему пришлось работать учеником переплетчика.
Task. Translate the following sentences into Russian
A.
While reading the present article, you will find some interesting facts.
Ice melts, when heated.
Although young, Yablochkov was well known as a scientist in the field of electrical engineering.
Potential difference can be measured, if necessary.
Iron becomes magnetized, if placed in a strong magnetic field.
When 12 years of age, Yablochkov invented a special geodetic instrument.
If broken anywhere, the electric circuit will immediately stop carrying a current.
When back in London again, Faraday started to write articles for a scientific magazine and to carry on experimental work.
When switching on the light, we close the circuit.
When cooled below zero, water changes into ice.
B.
A liquid becomes hotter, boils and finally evaporates, when heated.
Although a great technical achievement for its time, the electric candle was not an efficient source of power.
As mentioned in the previous article, the electric current flows provided there is a closed circuit.
When connecting the two ends of a conductor to two points at different potentials, they say that there is an electric current in the conductor.
As shown in this figure, the conventional direction of current differs greatly from the actual direction of the electron stream.
Paper either burns or at least changes to a brown colour, if held over a fire.
Liquid fuels, if used in the cylinders of diesel engines, produce heat.
If produced by friction, heat is usually considered as useless work.
When utilized in suitable machines, heat enables us to do work.
Although useless in some cases, friction is sometimes desirable.
When placed over a fire, a substance may burn or undergo a chemical change being transformed into something else.
Reports connected with Yablochkov’s candle were listened to with great attention, when made at numerous scientific societies.
Although offered great profits abroad, he came to Russia to organize mass production of the candle in his own fatherland.
While working at his invention Yablochkov was the first to realize the advantages of a transformer.
Almost all substances are known to expand, when heated.
Although called a “force”, an electromotive force is not a force as that term is understood in mechanics.
If properly designed, the meter should give correct readings.
When placing an iron core within a solenoid, we obtain an electromagnet.
If suspended so that it can rotate freely, the solenoid points north and south when the current flows.
We should rub steel always in the same direction, when magnetizing it.