Translate the sentences into Russian. Try to give all possible variants of translation

A B

Translate these word-combinations.

a tension force, shelf life, fracture toughness, cellulose fibers, compression strength, reinforcement and matrix material combination, design flexibility, composite sheet, fiber glass, matrix material, heat exchanger, bending stiffness, cotton fibers bundle, the composite structure, car bodies, woven fiber reinforcement, military industry engineers, disk brake, brake disk.

5. Pay special attention to the translation of the attribute chains:

The polymer composite material synthesis results = The results + of the synthesis + of the polymer + composite + material = Результаты синтеза полимерного композитного материала.

6. Analyze the attribute chains in the table below and translate them:

Артикль	Определяющие существительные	Определяемое существительнoе
Te The The The	polymer polymer product polymer product synthesis polymer product synthesis results	product synthesis results analysis

7. Find the pairs of antonyms:

aligning, downside, soft, flexion, thick, break down, weakness, minute, soften, asset, rigid, harden, made up, strength, immense, fine.

Study and remember the following charts, mind the function of the Infinitive:

I’ve come here to discuss the latest scientific news. We have to stay to complete the synthesis. The scientists work out new technologies to improve the quality of this composite. To be finally sure in its reliability the researchers had to test the material in various temperature regimes. To decompose mercury oxide you are to heat it.

8. Why do they do it? Match A with B.

1. We treat salt with either an acid or a base	a. to define its boiling point
2. I shake water and sandin the bulb	b. mercury to make accurate measurements of a sample
3. The analyst carries out the electrolysis of water	c. to transform one salt into another
4. I have to use electronic weights	d.to decompose it into oxygen and
5. They ignite phosphorus in the presence of oxygen	e. to define its boiling point
6. I heat this liquid	f. to obtain hydrogen
7. They cool the gas	g. to obtain phosphorus oxide
8. We heat mercuric oxide	h. to show you a sample of heterogeneous substance

9. What would you advise to help smb.?

1. Excuse me, I’m lost. I can’t find the way to the station. Could you help me, please?

2. Excuse me, I don’t know the numbers of the busses going to the Central Stadium. Could you help me, please?

3. Hey, Mark! What must I do with zinc to get hydrogen?

4. How to define the atomic weight of an element?

1. Some metals, active enough to combine extensively with carbon, may be produced by the reduction of the oxides with aluminium. 2. To make a precipitation as complete as possible it is necessary to add a slight excess of one of the ions concerned in the formation of the precipitate. 3. The particles in the positive rays are assumed to be formed by removal of one or more electrons from the atoms. 4. Chlorine reacts with calcium hydroxide to form a mixed salt with the two negative ions. 5. In a number of instances some ions are hydrolyzed. 6. In a number of instances some ions are hydrolyzed to give acidic solution. 7. Atoms are too small to be seen even under a powerful microscope. 8. The metal hydroxides react with acids and with oxides of non-metals to form water and a class of compounds known as salts. 9. Carbon dioxide reacts with sodium hydroxide to yield water and sodium carbonate. 10. To be useful as an ore, an iron mineral must contain at least 30 to 40 per cent of iron. 11. To improve the quality of pig-iron it is to be purified by melting in a furnace. 12. Ammonium ions interact with water to form hydronium ions in equilibrium with molecular ammonia. 13. To determine the relative weights of different elements we were to use the relative system of atomic weights. 14. In order to liquefy a gas at a temperature below its critical temperature it is practically necessary only to compress the gas.

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