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Thread: Âèæòå êàêâî âèäÿõ â èíòåðíåò !
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7th May 2005 01:08 #1
Âèæòå êàêâî âèäÿõ â èíòåðíåò !
Êîãàòî âè ñå íàëàãà ñèëíî äà îõëàäèòå äàäåí åëåìåíò ìîæåòå äà èçïîëçâàòå ñìåñ îò ñóõ ëåä ñ åòèëîâ ñïèðò. Ïî òîçè íà÷èí ìîæåòå äà ïîëó÷èòå òåìïåðàòóðà äî -72 °Ñ. Ñìåñâàíåòî ñå ïðàâè, êàòî ñóõèÿò ëåä ñå ïîëèâà ñ òå÷íîñòà. Âìåñòî åòèëîâ ñïèðò, ìîæåòå äà èçïîëçâàòå è àöåòîí, êîéòî ñå íàìèðà ïî-ëåñíî. Ïðè òàçè ñìåñ ìèíèìàëíàòà òåìïåðàòóðà, êîÿòî ìîæåòå äà ïîñòèãíåòå å îùå ïî-íèñêà - 78 °Ñ.
Òîâà äàëè ùå ìîæå äà ñå ïîëçâà ïðè êîìïþòðèòå ?
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7th May 2005 01:12 #2
Ìîæå è äà ìîæå àêî ñè ðåøèë äà îõëàæäàø "åäíîêðàòíî" .
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7th May 2005 01:40 #3
Êàê ìîæå èçîáùî äà ìèñëèø, ÷å èìà "îõëàäèòåëíà ïàíàöåÿ"? Êúäå ùå äà ñà áèëè âñè÷êè äî ñåãà? Òîïëàòà âîäà?
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7th May 2005 01:53 #4Banned
Join Date: Oct:2001
Location: Ñîôèÿ, Çîíà Á-5
Posts: 2,637
Ìîæå ëè äà òè çàäàì åäèí âúïðîñ? Çíàåø ëè êàêâî å ñóõ ëåä?
Originally Posted by TsvetanVR
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7th May 2005 02:27 #5×ëåí
Join Date: Nov:2001
Location: Des Moines, Iowa
Posts: 4,284
Íå çíàì êàêâî å, íî âèíàãè ñúì èñêàë äà èçñèïÿ â êóòèÿ ñ áîÿ è äà ÿ çàòâîðÿ...
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7th May 2005 04:25 #6Banned
Join Date: Jan:2003
Location: .
Posts: 6,635
Íà ìåí è íà ìîÿ ïðèÿòåë ãîñèíà Ãóãàëÿ ìîæåø. Èìàìå ãîòîâè îòãîâîðè âå÷å.
Originally Posted by exabyte
Îòïðàâíà íà÷àëíà òî÷êà åòî òóäà
Ïîñëå êîåòî ëîãè÷íî =>
dry ice—Solidified carbon dioxide that, at -78.5°C and ambient pressure, changes directly to a gas as it absorbs heat. It is used as a coolant to induce the ice phase for supercooled cloud and fog modification procedures.
è ñúîòâåòíî çà òåçè êîèòî íå ñà íàâúòðå ñ íåùàòà
carbon dioxide—Colorless gas, formula CO2, molecular weight 44; the fourth most abundant gas in dry air. The end product of the combustion or oxidation of organic material, including fossil fuels, CO2 is a very strong greenhouse gas and has very important radiative effects. Carbon dioxide is soluble in water, and the atmospheric concentration is buffered by dissolution in seawater. Carbon dioxide is taken up by the biosphere during photosynthesis, and large amounts of carbon can be stored in decaying organic matter.
Íà áúëãàðñêè CO2 ñå íàðè÷à "âúãëåðîäåí äèîêñèä", íî å èçâåñòåí è ñúñ ñòàðîòî ñè íàèìåíîâàíèå "âúãëåðîäåí äâóîêèñ". Îòðîâåí ãàç. Óìèðà ñå îò íåãî ïðè âäèøâàíå íàä îïðåäåëåíè êîëè÷åñòâà. Íå ìè ñå ðîâè äà ïðîâåðÿ êàêâè òî÷íî êîëè÷åñòâà áÿõà, íî ïî-äîáðå âíèìàâàéòå ïðè èçïîëçâàíå çà äà íå ïóñêàìå òåìè çà íåùàñòíè ñëó÷àè ñ ôîðóìöè.
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7th May 2005 05:54 #7Banned
Join Date: Jun:2001
Location: n/a
Posts: 12,761
CO2 íå å îòðîâåí ãàç, íî çàòðóäíÿâà äèøàíåòî íàä îïðåäåëåíè êîíöåíòðàöèè. Ïðå÷è íà õåìîãëîáèíà äà ïðåíàñÿ êèñëîðîäà, îòòàì âîäè äî çàìàéâàíå. Ñëåä îòñòðàíÿâàíå íà èçòî÷íèêà íà CO2 îáà÷å, õåìîãëîáèíúò ñè âúçâðúùà íîðìàëíèòå ôóíêöèè. CO âå÷å å îòðîâåí ãàç. Òîé íå ñàìî ïðå÷è íà ïðåíàñÿíåòî íà êèñëîðîäà, íî è ïðè÷èíÿâà òðàéíî óâðåæäàíå ôóíêöèèòå íà õåìîãëîáèíà.
CO2 íàé-÷åñòî ñå ïîëçâà çà ïîæàðîãàñèòåëè, íî åòî êàêâî êàçâà Google ïî òîçè âúïðîñ:
"In liquid form carbon dioxide is used in fire extinguishers for electrical and similar fires as it does not conduct electricity. However it is not a good idea to use it on computer equipment as it can scramble magnetic information (due to the temporary dipole) - that's why they used to use Halon in computing centres."




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