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As mentioned above x-rays were in a wide use for diagnostic purposes in medicine since their discovery. industrial radiology has been discovered later particularly for inspecting welds and castings in the automobile and airplane industries. flaws and cracks inside the metal are readily revealed due to the use of x-ray techniques. famous paintings are often x-rayed to determine whether they are the originals or forgeries. (3) using x-rays irradiation the scientists have learnt to change structures of well-known materials such as metals, ceramics, etc. they could obtain materials of greater strength with higher melting point and particular electrical properties. radiation is known to be a mutagenic agent. in microbiology mutations are increased by irradiation. when a large-scale production of penicillin was introduced the best strain (4) yielded 100-200 units of penicillin. being irradiated with x-rays, the same strain produced more than 1, 000 units. many new uses have been found for this treatment in agriculture.

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Ответ:
осоащумоо
осоащумоо
01.08.2021
Как уже упоминалось выше, рентгеновские лучи были в широком использовании для диагностических целей в медицине с момента их открытия. Промышленная радиология был обнаружен позже, особенно для контроля сварных швов и литья в автомобильной и авиа промышленности. Недостатки и трещины внутри металла легко раскрывается благодаря использованию рентгеновской технике. Известные картины часто рентген, чтобы определить, являются ли они оригиналами или подделками. (3) используя рентгеновское излучение ученые научились изменять структуры известных материалов, таких как металлы, керамика и т. д. Они могут получить материалы большой прочности с высокой точкой плавления и особые электрические свойства. Радиация, как известно, был агентом мутагенные. В микробиологии мутаций возрастает при облучении. Когда крупномасштабное производство пенициллина было введено лучшей штамм (4) уступила 100-200 единиц пенициллина. При облучении рентгеновскими лучами, тот же штамм произведено более 1 000 единиц. Много новых применений были найдены для этой обработки в сельском хозяйстве.
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Ответ:
Nikitka113532
Nikitka113532
01.08.2021

1. I asked him if he was waiting for me

2. Bob said that he had been there for a month but he hadn't seen all the places he wanted to.

3. He asked Nine why she was making the coffee so weak.

4. She told Peter that she had to go home very quickly.

5. The doctor said to eat more fruit and vegetables.

6. He asked me if I could speak more slowly.

7. Ann asked me not to tell anyone what had happened.

8. Mike asked his little sister to give him his book back.

9. Girl asked her friend if he would help her with that exercise.

10. Jane said that she didn't remember his address.

11. Alice asked her brother if he had had his your breakfast.

12. Robert asks his friend if the wind is strong.

13. The teacher asked her class who had a penfriend.

14. Robert asked his friend what interested him most of all.

15.Pete asked his friend who had won the game.

4,6(26 оценок)
Ответ:
Chelovekkkkkkk1701
Chelovekkkkkkk1701
01.08.2021
I asked him if he was waiting for me.
Bob said that he had been there for a month but he hadn't seen all the places he wanted to.
He asked Nine why she was making the coffee so weak?
She told Peter that she had to go home very quickly.
The doctor said to eat more fruit and vegetables.
He asked me if I could speak more slowly.
Ann told me not to tell anyone what had hapenned.
Mike told his little sister Kate to give him his back.
Girl asked her friend if he would help her with that exercise.
Jane said that she didn't remember his address.
Alice told her brother Dan if he had had his breakfast.
Robert asks his friend if the wind is strong.
The teacher asked her class who had a pen-friend.
Robert asked his friend what interested him most of all?
Pete asked his friend who had won the game.
4,6(36 оценок)
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