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Nonna7229
Nonna7229
27.10.2020 12:32 •  Английский язык

Переведите текст < 3, только без онлайн переводчика.

between these two major categories is a class of materials called semiconductors. as the name implies, a semiconductor is a material with conductivity roughly midway between conductors and insulators. it is not just a poor conductor; it has two important properties. first, its resistance normally decreases with increase of temperature, while in conductors resistance slightly increases with temperature. second, the flow of current in a semiconductor may be caused either by a flow of negative electrons or by a movement of missing sites in the opposite direction. if an atom has one outer electron missing, a loosely bound electron from a neighbouring atom can jump into it, leaving behind a new vacant site; this, in turn, can be filled by an electron from the third atom and so on. the impression is as if the vacant site has moved. such vacant sites are called “holes” and since a negative electron is missing, the hole can be said to have a positive charge.

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Ответ:
anna47983
anna47983
27.10.2020

Между этими двумя категориями находится класс материалов, называемых полупроводниками. Как следует из названия, полупроводник представляет собой матерал с проводимостью примерно посередине между проводниками и изоляторами. Это не просто плохой проводник; у него есть два важных свойства. Во-первых, его сопротивление обычно уменьшается с ростом температуры, в то время как в проводниках сопротивление немного увеличивается с температурой. Во-вторых, течение тока в полупроводнике может быть вызвано либо потоком отрицательных электронов, либо движением отсутствующих узлов в противоположном направлении. Если у атома отсутствует один внешний электрон, в него может прыгнуть слабосвязанный электрон из соседнего атома, оставив после себя новый вакантный участок; это, в свою очередь, может быть заполнено электроном от третьего атома и так далее. Такое впечатление, как будто вакантный сайт переехал. Такие свободные места называются «дырками», и поскольку отрицательный электрон отсутствует, можно сказать, что дырка имеет положительный заряд.

4,5(22 оценок)
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Ответ:
vikysa27
vikysa27
27.10.2020
1. I'm very hungry. I (will make) myself something to eat. 2. The kids (will have gone) to bed by 10 o'clock. 3. Clark (will be driving) his new car tomorrow at 12 o'clock. 4. We (are going to have) dinner with my parents at the weekend. 5. That's terrible news! What (have you done)? 6. I (will send) you an SMS before i leave work, OK? 7. By the end of this year Susan (will have been living) in the USA for 3 years. 8. This time next year Faye (will be studyng) in Dublin. 9. What (have you bought) Fiona for her birthday? 10. I'm cold. I (will close) the window.
4,7(40 оценок)
Ответ:
maks2324
maks2324
27.10.2020
There is not nothing more beautiful by nature. It fascinates its wonders in any season, it gives us joy and fear, despair and grief. The beauty of nature lies in its ability to fill us certain feelings.
When the sun shines, we feel happy. Start the day with morning sun much nicer than a rain or frost. Just want to wake up earlier to do something, to plan many cases. When it rains, many people feel sadness or exciting growth. Some calls to creativity: writing painting, poetry or other creative masterpieces created.
Nature - wonderful! Although she always frightened or alarmed people with his unpredictability, people never forget to enjoy it. Although today some cities less seen green planted, fewer clean rivers, but in places far from central cities, nature always catches the eye with its splendor in any season.
Interestingly, each season is associated with a particular color. Summer - green. It smells of grass and summer thunderstorms, fruit and vegetables, sea and sky. Summer is waiting for both adults and small. It brings joy to everyone.
Autumn - orange. It smells of warm tea, blankets and rustle of leaves underfoot. Each person brings their autumn mood - somebody depression, apathy someone, and someone on the contrary - joy or exaltation. Autumn fascinates with its mystery and calling students to school to school, back to books.
Winter - white. All around white. But nature does not at this time less well, on the contrary - it is in a special charming. Although it played only one color, sometimes it seems that this is poured in hundreds of variations of white linen.
Wine sparkles, sparkles rypyt, squeaks underfoot and brings laughter and joy to children. White frost bites on cheeks, hands tucked in the glove, and the trees wear white coats.
Spring ... I can not give a specific color of spring. This is my favorite time of year and it combines all the colors for me. White snowdrops in the forest, yellow flowers in the field, the first green buds on the beach. Spring beautiful nature in particular, because it awakens, back to life. A revival of the old and the new birth is always a delight for the magic!
I see nature in spring image of a girl with long hair, which is woven into beautiful early spring flowers. Her eyes cornflower color that occasionally poured all the colors of the rainbow, it has a beautiful long gown, studded with sunlight, and on his head he keeps ice tiaras, white powdered snow. Nature has power over all four seasons, it shows them where to change each other, when to linger longer govern spring or winter.
She is not afraid nor cold, nor cold, nor water, nor snow. Because it is - the owner of life and we, the people - its children is a pity that many of us have begun to forget this.
But nature loves us, it gives us beauty, food, ground under their feet, dotted with green grass, she reminds herself with each new day, each new ray of sun with every rain droplets.
4,6(4 оценок)
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