- •Методическое пособие
- •Пояснительная записка
- •Unit 1. Metallurgy some words about metallurgy
- •Notes and commentary
- •Exercises
- •Find in the text the English equivalents of these Russian word combinations.
- •Answer the questions.
- •Unit 2. Physical properties of metals and alloys
- •Notes and commentary
- •Exercises
- •Answer the questions.
- •Match the term with its definition.
- •Find in the text sentences containing the following words and translate them into Russian.
- •Find 13 words on the topic in the crossword-puzzle and give their Russian equivalents.
- •Unit 3. Mechanical properties of metals and alloys
- •Notes and commentary
- •Exercises
- •Make words out of these letters and translate them into Russian.
- •Name the property according to its definition.
- •Make up definitions out of these words and name the property.
- •Finish the sentences according to the text.
- •Unit 4. Foundry equipment.
- •Foundary metal casting
- •Notes and commentary
- •Exercises
- •Learn the words and special terms on foundary.
- •Answer the questions.
- •Write the English equivalents of these Russian words and make up sentences of your own with them.
- •Notes and commentary
- •Exercises
- •Read the sentences and say whether they are true or false.
- •Make up sentences out of these words.
- •What is the Russian for these words and word combinations?
- •Notes and commentary
- •Exercises
- •Say what type of machine does this or that operation.
- •Describe the work done by every machine. Unit 7. Casting metals
- •Notes and commentary
- •Exercises
- •Answer the questions.
- •Find the sentences with these words in the text and translate them into Russian.
- •Unit 8. Types of furnaces.
- •D iagram of a Foundary Cupola for Melting Cast Iron notes and commentary
- •Notes and commentary
- •The bessemer converter
- •Notes and commentary
- •The open hearth furnace
- •The electric furnace
- •Unit 9. Metals and their alloys.
- •Answer the following questions:
- •Magnesium and its alloys
- •Answer the following questions:
- •Copper and its alloys
- •Answer the following questions:
- •Titanium and its alloys
- •Answer the following questions:
- •Литература
Notes and commentary
with reference to – по отношению к the same meaning – то же значение the manner or arrangement – способ расположения as to – что касается to each other – друг к другу is known, as the space lattice - известен как пространственная решетка close-packed cubic – кубическая с плотно упакованными атомами body-centred cubic – кубическая объемно-центрированная структура hexagonal close-packed – гексагональная с плотно упакованными атомами union of atoms into a geometric array – объединение атомов в геометрическом порядке within a melt – в расплавленном металле as the heat is lost from the mass – по мере того, как масса теряет тепло every change – каждое изменение the rate at which heat is conducted away from – скорость, с какой тепло отдается из an influence on – влияние на melting point – точка плавления depends on – зависит от the metal boils under – металл кипит при the electrical conducting power of a unit length per unit of cross sectional area – электрическая проводимость
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the number of crystal boundaries – число границ кристаллов in most cases – в большинстве случаев the only - единственный at room temperature – при комнатной температуре when heated to a certain temperature – при нагревании до определенной температуры able to exert forces many times their own weights – могут обладать подъемной силой во много раз большей своего собственного веса is lack of – зд. лишена on the other hand – с другой стороны weight per unit of volume – вес на еденицу объема like grey cast iron – подобно серому чугуну under heavy hydraulic pressure – под большим гидравлическим давлением whereas – в то время, как most metals expand on heating – большинство металлов расширяются при нагревании silvery white or grey in colour – серебристо-белого или серого цвета the only yellow one – единственный желтый металл copper-base alloys – сплавы с медной основой the true colour and lustre – истинный цвет и блеск by a coating of oxide – покрытием окисла
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Exercises
Answer the questions.
Name the main physical properties of metals and alloys.
What does the boiling point of a substance depend on?
When do most metals extend?
What is the difference between liquid and solid metal?
What metals possess considerable magnetism at room temperature?