Вопрос № 284135 - Английский язык

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Greenhouse effect is the term for the role the atmosphere in warming the earth's surface. The atmosphere is largely transparent to incoming short-wave solar radiation, which heats the earth's surface. Much of this radiation is reflected back by gases such as carbon dioxide, methane, nitrous oxide and ozone in the atmosphere. This heating effect is at the root of the theories concerning global warming.

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Greenhouse effect is the term for the role the atmosphere in warming the earth's surface. The atmosphere is largely transparent to incoming short-wave solar radiation, which heats the earth's surface. Much of this radiation is reflected back by gases such as carbon dioxide, methane, nitrous oxide and ozone in the atmosphere. This heating effect is at the root of the theories concerning global warming.

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In 1921, at the University of Toronto, Frederic Grant Banting and Charles H. Best conducted experiments that successfully isolated the hormone insulin. This hormone is used to control the disease diabetes. The name of the hormone is derived from Latin word for island, insula, because the hormone is produced in the part of the pancreas called the Isles of Langerhans.
Insulin is protein and is digested by the enzymes. Banting and Best used animal experiments to extract insulin and demonstrated that it stopped symptoms of diabetes. Commercial production of insulin uses pigs, oxen, and sheep as sources for the hormone.

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Nina Ivanova is our best ward nurse. She works at our hospital and everybody respects her very much. In the morning she always come into the ward with a smile on her face. Everything she does in the ward she does quickly and quietly. Nina makes injections, puts mustard plasters and cups. She never hurts the patient with a rude word.
The doctors say: “When Nina is at work we don’t worry. We know that everything will be all right.”

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Another type of rectifier is represented by various kinds of two-electrode valves, or diodes. These consist of a glass tube or bulb containing an electron-emmiting member (the cathode) and an electrode (called the anode) which collects the emitted electrons and causes a flow of current so long as it is positive with respect to the cathode. The cathode heater is supplied with a suitable voltage from the transformer secondary to provide the heating necessary for the emission of electrons.

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Radio waves, light, X-rays, and some cosmic rays — they all belong to the same family. They travel at the velocity of light.
The wave has both electric and magnetic components which are bound together. At the end of its travel the wave gives up energy. The ether waves are those we know as wireless waves.
When the waves are too long they are "seen" as infra-red, when they are too short they are "seen" as ultra-violet. Shorter than thе ultra-violet are X-rays and far shorter than the shortest of these  are the  "gamma"  rays,  and  finally the cosmic rays.