Open Library - открытая библиотека учебной информации

Открытая библиотека для школьников и студентов. Лекции, конспекты и учебные материалы по всем научным направлениям.

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Иностранные языки Translate the sentences, paying attention to it, one, that.
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Translate the sentences.

Translate the sentences.

Translate the nouns.

Translate the participles.

Define the parts of speech.

Task 2. Find the key words in the texts.

The Simplest Atom

Read and translate the text.

The simplest atom is that of the element hydrogen and it consists merely of a single proton in a nucleus and a single electron in orbit around it.

The helium atom is the next simplest atom and consists of a nucleus containing two protons and two neutrons, with two electrons orbiting around it.

For an electron to be able to move1 around a nucleus, it must have a force exerted on it and pulling it towards the nucleus. This force is the electrical attractive force exerted by the positive nucleus on the negative electron.

Notes on the text

1 For an electron to be able to move — для того чтобы электрон мог двигаться

Revision exercises:

1. readjustment, 2. periodic, 3. rapidity, 4. resentment, 5. chemical, 6. chemically, 7. realize, 8. receiver, 9. careful, 10. statement, 11. localize, 12. generalize, 13. relatively, 14. relation, 15. identical, 16. creation, 17. atomic, 18. resentful, 19. identification, 20. carbonize, 21. specially, 22. speciality, 23. vaporize, 24. imperfection, 25. doubtful, 26. displacement.

Following, performing, taking place, having, forming, employing, creating, saying, including, providing, obtaining.

amplify – усиливать; amplifier – …

conduct – проводить (ток); conductor – …

detect – детектировать, выпрямлять; detector – …

control – управлять; controller – ...

divide – делить; divider – ...

learn – учить; learner – ...

operate – приводить в действие; operator – ...

heat – нагревать; heater – ...

insulate – изолировать; insulator – ...

emit – испускать; emitter – ...

direct – направлять; director – ...

use – использовать; user – ...

rectify – выпрямлять (ток); rectifier – ...

1. This layer is thicker than that one.

2. This impurity is better than that one.

3. Our laboratory is larger than this one.

4. This metal is harder than that one.

1. The farther the grid is from the cathode, the more the plate current is.

2. The wider the distance between the grid wires, the more the plate current is.

3. The higher the temperature, the lower the conductivity of a metallic conductor.

4. The lower the temperature, the better the conductivity of a metallic conductor.

1. The problem that has become the most important one is the problem of pollution. 2. One can easily understand why the profession of an engineer requires a special college training. 3. The new technologies that are being developed must be connected with traditional ones. 4. That air and water pollution by industrialization is reaching dangerous levels is realized by everyone. 5. It is the invention of an engine that started the first industrial revolution. 6. The main purpose of education is that graduates must be able to work with the technology of tomorrow. 7. The education in Oxford and Cambridge is different in many ways from that in other universities. 8 We discussed the first industrial revolution, the one that took place some centuries ago. 9. New robots will have several manipulators that will carry out many functions. 10. That computers and robots are important for industrial uses is well known to scientists and engineers. 11. One must realize that the increasing number of cars brings about considerable pollution of the air. 12. It is the growth of industrialization that is changing the climate of the planet. 13. The essential feature of higher education in this country is that it combines theory with practice. 14. The simplest materials are those which have only one kind of atoms. 15. That the Earth is round was unknown for a long time. 16. It is found that the labour (труд) of a man with secondary education is 108 per cent more efficient than that of a man without that education. Moreover, the work of a university or college graduate is 300 per cent more efficient than that of a specialist with secondary education.