Санкт-петербургского государственного университета высшее профессиональное образование т. А. Степанова, И. Ю. Ступина
particular sense, indeed, with justification, placc emphasis on, bccausc
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1stepanova t a english for chemists
particular sense, indeed, with justification, placc emphasis on, bccausc o f one's views, be more o f a scientist than, in the evolution o f the natural scicnccs, the so-called “industrial revolution", raw materials, the production of glass, quote an example, slowly but surely, modest changes, be inorganic in nature Ex. 6. Give the English equivalents for the following: аналитическая химия, требовать, блестящий химик, современная химия, называть отцом химии, экспериментальная работа, истинный химик, отличаться от, быть вынужденным, как можно точнее, состав вещества, на этой стадии, вклад ученых, быть чрезвычайно важным, служить основой, не будет преувеличением сказать, в то время, во второй половине XIX века, быть скромным, промышленное произ водство, состоять из, за исключением природных красителей Ex. 7. Fill in the blanks with articles where necessary. 1. Analytical chemistry is regarded as ... oldest field o f ... chcmistiy. 2. Many years were needed to demonstrate... fallacy o f... phlogiston theoiy. 3. Avogadro’s law is extremely important i n ... chemistry o f ... gases. 4__ pressing and dyeing of textiles arc ... examples of operations that moved into... factory. 5. Most o f ... natural dyes were inorganic i n ... nature. Ex. 8. Give synonyms for the following: branch, wide, require, show, remarkable, accuratcly, step, however, highly, mainly, occur, production Ex. 9. Give antonyms for the following: young, ncccssary, from, more, impossible, usefulness, slowly, succcssful a considerable number Ex. 10. Translate the sentences into Russian. 1. It is the analytical chcmistiy that is regarded as the oldest field of chcmistry. 2. It is М. V. Lomonosov who is the founder of Russian physics and chcmistry. 3. It was my supervisor who advised me to use this apparatus. 4. It was Mendeleyev’s periodic law which served as a key to discovering 210 new elements. 5. It was not my tcachcr whom I addressed my question to. 6. It was in 1869 that Mendeleyev’s periodic system was published. 7. It is horizontal rows of the periodic tabic which arc callcd periods. 8. Ozone docs remove harmful ultraviolet radiation from sunlight. 9. It is not this examination that is the most difficult this term. 10. It was not till late in the 19th ccntury that numerous household items began to be produced at factories. 11. These results do support the kinctic treatment of the behaviour ofparticlcs in colloidal solutions. 12. It is only at ordinary temperature that the agreement between the two methods is satisfactory. 13. It was not until the results concerning solid solutions had been obtained that a general conclusion was reached. 14. The reaction docs procccd slowly in most eases. IS. It was evident that the resulting mixture did obey the mixture law. 16. The use of deductivc methods shows that all these cases comc from one and the same root. 17. It is not until a substancc undergoes distribution that it has the same molecular weight in the two phases. 18. It is not until two picccs of zinc and copper are brought into contact that they bccomc clcctrificd. 19. In the actual case the density of the vapour docs alter with the height. 20. It was not until oxygen was discovered that many processes could be understood. Ex. 11.Translate the scntcnccs into English without using a dictionary. 1. Считается, что аналитическая химия— старейшая отрасль хи мии. 2. Потребовалось много лет, чтобы показать, что теория фло гистона неверна. 3. Развитие экспериментальных методов внесло большой вклад в исследование состава веществ. 4. Развитие промыш ленности сыграло большую роль в разработке новых методов анали тической химии. 5. Многие операции, производившиеся ранее дома, стали производиться в промышленных масштабах. Ex. 12. Answer the following questions: I . Whose investigations helped to prove the fallacy o f the phlogiston theory? 2. Why is Lavoisier callcd the “father” o f analytical chcmistry? 3. Why is analytical chcmistry regarded as the oldest branch o f chcmistry? 4. What problems engaged the interest o f most chcmists at that time? 5. Why did the development o f industry stimulate the development of analytical chcmistry? жүктеу/скачать 5,96 Mb. Достарыңызбен бөлісу:
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