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Thread: Çëàòî, ìåä èëè äèàìàíò
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28th December 2003 00:45 #1
"24-êàðàòîâî çëàòíî ïîêðèòèå"
Óàóóóóóóó !
Àéíöó - öâàéíöó - äðàéöó - äðúí
Ìíîãî, àìà ìíîãî ïî-äîáðå ùåøå äà ïðîâåæäà òîïëèíàòà àêî áåøå ñ "ïî-îáèêíîâåíî" ñðåáúðíî ïîêðèòèå
... Äà íå ãîâîðèì, ÷å çëàòîòî å ïî-ëîø ïðîâîäíèê íà òîïëèíà è îò ìåäòà ...
Èíà÷å áðàâî
!
[Mod. Edit] (The Penalty) - Teìàòà å ðàçäåëåíà îò òàçè , çàùîòî ñå èçðoäè ìíîãî!
Last edited by The Penalty; 29th December 2003 at 00:17.
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28th December 2003 01:48 #2[spam]Originally posted by Stilian
... Äà íå ãîâîðèì, ÷å çëàòîòî å ïî-ëîø ïðîâîäíèê íà òîïëèíà è îò ìåäòà ...
Îïààà, ùå òðÿáâà äà ñå âúðíåø â ó÷èëèùå äà ñè äîèçó÷èø ôèçèêàòà. Åäèí ìåòàë êîëêîòî ïî-äîáðå ïðîâåæäà åëåêòðè÷åñêè òîê, òîëêîâà ïî-äîáðå ïðîâåæäà è òîïëèíà - è äâåòå ÿâëåíèÿ ñå äúëæàò íà åäíè òàêèâà ìàëêè ÷àñòèöè, íàðå÷åíè åëåêòðîíè, äåòî áÿãàò è ñêà÷àò êàòî õàìàâè íàñàì-íàòàì (íÿêîé ñè Áðàóí ãè çàñèëèë - êîè ïîâå÷å, êîè ïî-ìàëêî).
Âñåèçâåñòíî å, ÷å çëàòîòî å ïî-äîáðèÿò ïðîâîäíèê => ïî-äîáðå ïðîâåæäà òîïëèíà.
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Ñëàäóðèòå | "Êîéòî èñêà - íàìèðà íà÷èí, îñòàíàëèòå ñè íàìèðàò îïðàâäàíèå."
Êàê äà ñïîðèø. Ïðî÷åòè è ñïîäåëè. Èíòåëåêòóàëíî.
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28th December 2003 02:47 #3
Ôèçèêàòà ñè ÿ ó÷à âñå îùå ...
Àéäå êàò ñè ìíîãî äÿâîë åòî òè ìàëêî ìàòåðèàë çà ÷åòåíå äà ñè ïðèïîìíèø êàê å òî÷íî è òîãàâà äà ñïàìèø
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Thermal conductivity is related to a few properties of materials, although in a loose description, it’s how quickly a material can distribute the energy within itself. One form of thermal conductivity is strongly driven by the interaction of electrons throughout the material. In the case of (most) metals, electrons are shared as members of a collective “whole” in which electrons float rather freely from one atom to the next. This is also the reason for a metal’s electrical conductivity, flexibility, and many other properties. Thermal conductivity is measured in W/cm-K, or Watts per centimeter per degree Kelvin. Here’s a couple examples:
Aluminum: 2.165
Copper: 3.937
Gold: 2.913
Silver: 4.173
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28th December 2003 02:51 #4
Åòî ãî âúâ ôîðìàòà íà òàáëèöà ...
Ìàé çëàòîòî å ïî-ëîø òîïëîïðîâîäíèê, à
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28th December 2003 13:19 #5
Ùåøå äà å ìíîãî õóáàâî àêî ñå íàìåðè æåëàåù äà ïîïðåâåæäà ÷àñòè îò íàøèòå ðåâþòà (çàêëþ÷åíèÿòà) è äà ñå ïðàùàò çàåäíî ñ öÿëîòî ðåâþ íà ïðîèçâîäèòåëèòå.
Àêî ñå íàìåðè òàêúâ - 9635475 ...
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Íàñòîëíè è êàðòîâè èãðè | RC ìîäåëè, ÷àñòè è òóíèíã | PC ìàãàçèí íà hardwareBG.com | Åëåêòðîííè öèãàðè
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28th December 2003 18:16 #6Íå çíàì íà êîãî äà âÿðâàì, àìà ñïîðåä òàáëèöàòà èçëèçà, ÷å äèàìàíòúò å Da Best òîïëîïðîâîäÿù ìàòåðèàë áåç äà èìà åëåêòðè÷åñêà ïðîâîäèìîñò!!! Äà íå ãîâîðèì, ÷å èìà ìàëêî ðàçìèíàâàíå ìåæäó ïîñî÷åíèòå îò òåá äàííè è òåçè â òàáëèöàòà:Originally posted by Stilian
Åòî ãî âúâ ôîðìàòà íà òàáëèöà ...
Ìàé çëàòîòî å ïî-ëîø òîïëîïðîâîäíèê, à
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Aluminum: 2.165 - (1.30-2.47)
Copper: 3.937 - 3.98
Gold: 2.913 - 3.15 (+8%)
Silver: 4.173 - 4.28
Diamond - 25.00
(êàòî îò÷èòàìå ñm->m)
Äàâàéòå äà ìèíàâàìå íà äèàìàíòåíè ðàäèàòîðè, õåì ñà áëèçî 3 ïúòè ïî-ëåêè
Ìîãà äà ïðèåìà, ÷å åâåíòóàëíî ïî-ãîëÿìîòî àòîìíî òåãëî íà çëàòîòî (ïîâå÷å åëåìåíòàðíè ÷àñòèöè) èìà íÿêàêâî âëèÿíèå âúðõó òîïëîïðîâîäèìîñòòà, ìàêàð ÷å åëåêòðîíèòå îò âèñîêèòå åíåðãèéíè íèâà èì òðÿáâà ìíîãî ïî-ìàëêî åíåðãèÿ çà äà õóêíàò, ò.å. äà ïðåäàäàò åíåðãèÿòà íàòàòúê, àìà ïúê èçìèíàâàò ïîâå÷å ïúò çàðàäè ïî-ãîëåìèòå îðáèòè.Last edited by OgiDogi; 28th December 2003 at 18:26.
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Ñëàäóðèòå | "Êîéòî èñêà - íàìèðà íà÷èí, îñòàíàëèòå ñè íàìèðàò îïðàâäàíèå."
Êàê äà ñïîðèø. Ïðî÷åòè è ñïîäåëè. Èíòåëåêòóàëíî.
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28th December 2003 19:56 #7Òàêà å, èìà, íî å â äîïóñòèìè ãðàíèöè ... ñàìèÿ òè ñè êàçàë - "ìàëêî" ...Originally posted by OgiDogi
Äà íå ãîâîðèì, ÷å èìà ìàëêî ðàçìèíàâàíå ìåæäó ïîñî÷åíèòå îò òåá äàííè è òåçè â òàáëèöàòà:
Aluminum: 2.165 - (1.30-2.47)
Copper: 3.937 - 3.98
Gold: 2.913 - 3.15 (+8%)
Silver: 4.173 - 4.28
Âúïðîñà å, ÷å ÇËÀÒÎÒÎ ÍÅ Å ÏÎ-ÄÎÁÚÐ ÒÎÏËÎÏÐÎÂÎÄÍÈÊ ÎÒ ÌÅÄÒÀ !
Êîëêîòî äî äèàìàíòà - íåâåðîÿòíî, íî ôàêò ...
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> Electrical and thermal conductivity are not necessarily coupled.
> Metals have both of them large because valence electron gas mediates
> both.
>
> Diamond, silicon carbide, boron carbide, cubic boron nitride... have
> enormous phonon-mediated thermal conductivities (and higher still for
> isotopically pure C-12 diamond with no C-13 phonon scattering).
Silicon carbide has a pretty good conductivity for a ceramic,
something like 200 W/m/K. This makes it a good material for ceramic
heat exchangers.
But diamond seems to be a class of its own, with something like
1600 W/m/K. As you point out, this must be due to phonon mediation.
The speed of sound in diamond is pretty high (12000 m/s), but a
much poorer conductor like stainless steel has 5000 m/s, which
seems insufficient to explain the large difference in thermal
conductivity.
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Diamond Thermal ConductivityLast edited by Stilian; 28th December 2003 at 20:04.
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28th December 2003 19:56 #8
Èçâèíÿâàì ñå çà îòêëîíåíèåòî, íî ïðåäè âðåìå ãëåäàõ åäèí äîêóìåíòàëåí ôèëì çà ìàêëàðúí ô1, â êîéòî ñå êàçâàøå, ÷å ñåäàëêàòà íà øîôüîðà å çàùèòåíà îò èçïåïåëÿâàùàòà ãîðåùèíà îòäåëÿíà îò äâèãàòåëÿ ïîñðåäñòâîì çëàòíî ïîêðèòèå, êîåòî "å åäèí îò íàé-äîáðèòå òîïëèííè îòðàçèòåëè". Ïðàâåòå ñè èçâîäè. (äà îòáåëåæà, ÷å òóê íå èçêàçâàì òâúðäåíèå, à ñïîäåëÿì èíôîðìàöèÿ, çàñÿãàùà îòêëîíèëèÿ ñå îò îñíîâíàòà òåìà ñïîð).
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28th December 2003 20:09 #9
è àç äîêîëêîòî çíàì çëàòîòî å ïî-äîáúð ïðîâîäíèê îò ìåäòà. òî è â íÿêîè ðàì ïàìåòè ñå èçïîëçâàò ïðîâîäíèöè îò çëàòî. êîëêîòî äî òåìàòà - ÁÐÀÂÎ, ÁÐÀÂÎ!!!
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28th December 2003 20:15 #10Åëåêòðî èëè òîïëî -ïðîâîäíèêOriginally posted by mahmoud
è àç äîêîëêîòî çíàì çëàòîòî å ïî-äîáúð ïðîâîäíèê îò ìåäòà. òî è â íÿêîè ðàì ïàìåòè ñå èçïîëçâàò ïðîâîäíèöè îò çëàòî. êîëêîòî äî òåìàòà - ÁÐÀÂÎ, ÁÐÀÂÎ!!!
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Íå çíàì ïðîñòî çàùî íå èñêàòå äà ðàçáåðåòå ... àðãóìåíòè èìà ... åòî îùå åäèí ëèíê* ...
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In general thermal conductivity tracks electrical conductivity, metals being good thermal conductors. There are exceptions, the most outstanding is that of diamond which has a high thermal conductivity, between 1000 and 2600 W·m-1·K-1, while the electrical conductivity is low.
Thermal conductivity of other common materials:
Silver 430 W·m-1·K-1
Copper 390
Gold 320
Aluminium 236
Platinum 70
Quartz 8
Glass 1
Water 0.6
Wool 0.05
Expanded polystyrene ("Styrofoam") 0.03 Thermal conductivity changes with temperature. For most materials it decreases slightly as the temperature rises.
Since diamond has such a high thermal conductivity, natural blue diamond much higher still, one may test gems to determine if they are genuine diamonds using a thermal conductance tester, one of the instruments of gemology.
Diamonds of any size are notably cool to the touch because of their high thermal conductivity, perhaps the origin of the term "ice."
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*http://www.nationmaster.com/encyclop...l-conductivity
OgiDogi, ïðî÷åíè õóáàâî òîçè ïîñò ...
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28th December 2003 20:18 #11
Join Date: Aug:2003
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bot's_revenge> Òîâà, çà êîåòî ãîâîðèø ñå îòíàñÿ çà òîïëèíàòà, ïðåíàñÿíà ïî ëú÷èñò ïúò, à íå ïîñðåäñòâîì ôèçè÷åñêè êîíòàêò, êàêòî å ïðè "íàùà" òåõíèêà
Îòíîñíî òîïëèíàòà, òÿ å ìÿðêà çà îáìåíåíàòà åíåðãèÿ ïî ìèêðîôèçè÷åí ïúò ì/ó òåëàòà. Òîëïëèíàòà å ôóíêöèÿ íà ïðîöåñà, à íå íà ñúñòîÿíèåòî....è äà ðàçñåÿ åäíà ìàëêà çàáëóäà, òîïëèíàòà íå å åíåðãèÿ, à èçìåíåíèå íà åíåðãèÿòà (êàêòî ñëåäâà îò íà÷àëîòî íà àáçàöà).ASRock X99 Extreme6/3.1 | Core i7 6950X | 32GB G.Skill DDR4-3200 | Samsung 970 PRO 1TB | MSI GeForce RTX 4080 Gaming X Trio
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28th December 2003 21:56 #12Áëàãîäàðÿ çà èíôîðìàöèÿòà. Î÷åâèäíî ïî èíäóêöèÿ ñúì ñè íàïðàâèë èçâîä çà çëàòîòî (ïî-äîáúð ïðîâîäíèê - ïî-äîáúð òîïëîïðîâîäíèê).Originally posted by Stilian
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OgiDogi, ïðî÷åíè õóáàâî òîçè ïîñò ...
À íà êàêâî ñå äúëæè ãîëÿìàòà òîïëîïðîâîäèìîñò íà äèàìàíòà? Äà íå áè äà å çàìåñåíà èçêëþ÷èòåëíî ïðàâèëíàòà êðèñòàëíà ðåøåòêà, ùîòî ãëåäàì â òàáëèöàòà è ãðàôèòúò ñå ïðåäñòàâÿ äîáðå?ASUS P5KPL-AM EPU | Intel® Xeon E5430@3.2 GHz | 2x2GB DDRII-800 SuperT | ATi HD5870 1G GDDR5 | 2x250 GB + 500 GB +120 GB SSD
Ñëàäóðèòå | "Êîéòî èñêà - íàìèðà íà÷èí, îñòàíàëèòå ñè íàìèðàò îïðàâäàíèå."
Êàê äà ñïîðèø. Ïðî÷åòè è ñïîäåëè. Èíòåëåêòóàëíî.
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6th September 2005 22:42 #13Çëàòîòî å ïî-ëîø ïðîâîäíèê è íà òîêà è íà òîïëèíàòà îò ìåäòà - òàêà ÷å èçâîäà å ïðàâèëåí. Íî å îáùî âçåòî äîñòà äîáúð ïðîâîäíèê.
Originally Posted by OgiDogi
À ìíîãî äîáðàòà òîïëîïðîâîäíîñò íà äèàìàíòà ñå äúëæè íà ìíîãî çäðàâèòå êîâàëåíòíè âðúçêè â ìíîãî ïëúòíî îïàêîâàíàòà ìó êðèñòàëíà ðåøåòêà, ò.å. åëåêòðîíèòå ìàêàð è íå ñâîáîäíè çà äà ïðåäàâàò åë.òîê ñè ïðåäàâàò ïðåäàâàò òîïëèííàòà åíåðãèÿ äîðè ïî-áúðçî îòêîëêîòî â ìåòàë. Çàòîâà äèàìàíòà å ïî÷òè èäåàëåí èçîëàòîð è ìíîãî äîáúð ïðîâîäíèê íà òîïëèíà.(2022)
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6th September 2005 22:47 #14
Òàÿ òåìà îò 2003 êàê ÿ èçêîïà òè ñè çíàåø ñàìî
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7th September 2005 03:03 #15
Äà è àç ñå ÷óäÿ çàùî ìè å ïîçíàòà
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7th September 2005 20:59 #16Registered User
Join Date: Jul:2001
Location: Redmond, USA
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Àç ïðåäëàãàì, êîãàòî ÷ëåí íà ôîðóìà ñå îïèòà äà ïîñòíå â òåìà ïî-ñòàðà îò 6 ìåñåöà, äà ìó èçñêà÷à ïîðåäèöà îò ìèíèìóì 10 pop-up ïðîçîðåöà çà ïîòâúðæäåíèå, áóòîíà Yes äà å íà íåñòàíäàðòíî ìÿñòî, íàäïèñúò âúðõó íåãî äà ìèêðîñêîïè÷åí ñ íåïðàâèëåí ïðåâîä íà íåðàçïðîñòðàíåí åçèê íà íÿêîå îò ñëåäíèòå "ïîòâúðæäåíèÿ" : Àì'÷è êàê èíà÷è, Òè ïà ñà, Å, ìîëèì òè ñå, ß õîäè ïðåñïè è òîãàâà, Íîî' ÿñíî áàòå è äð.
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29th August 2008 15:08 #17
Íî öîììåíò!

Ïðåäëàãàì äà ñå ó÷ðåäè ïðèç "Íàé-óïîðèò àðõåîëîã-òåìîêîïà÷". Íàãðàäàòà - ïî÷èâêà çà ñåäìèöà (ïðèìåðíî) ñ öåë èçêîïàâàíå íà îùå ïî-äúðòà è óìîïîìðà÷åíà òåìà.

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Àç ïúê ñú ïðîáâàë - ïî õóáàâè òðàñåòà ðàçëèêàòà â áúðçèíàòà å îñåçàåìà. Äàæå è ïåøà ñå îñåçàâà...
Æèâîòúò å õóáàâ!
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29th August 2008 15:28 #18
Áàõ ìàìà ìó, íàïîñëåäúê ñàìî ñòàðè òåìè ñå èçêîïàâàò.
Äàëè äà íå âçåìà äà ïðåäëîæà, òåìè ïî-ñòàðè îò 6 ìåñåöà, àâòîìàòè÷íî äà ñå çàêëþ÷âàò ?Èñòèíñêèòå òðîëîâå æèâåÿò âúâ Âàðíà, çàùîòî íÿìà ìåòðî è òðàìâàè, à ñàìî òðîëåè
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28th December 2003 22:10 #19
Ìäàààà çëàòîòî íå å ñ ïî äîáðà òîïëîïðîâîäíîñò.  ìèêðîåëåêòðîíèêàòà ñå èçïîëçâà ïî åäíà äðóãà ïðè÷èíà, ìíîãî å êîâêî è ïîçâîëÿâà èçòåãëÿíåòî íà íèøêè ñ ìíîãî ìàëêè äèàìåòðè. À äèàìàíòà, äà òîé å íàé-äîáðèÿ òîïëîïðîâîäíèê íî ... å ìàëêî ñêúïè÷úê äîðè è èçêóñòâåí .. à è èìà îïàñíîñò äà òè èçñøëàéôà ïðîöåñîðà ...

À çà F1 .... òàì ñå èçïîëçâà êàòî îòðàæàòåë, âúïðåêè ÷å íå ñúì óáåäåí ÷å ñëîé àëóìèíèé íÿìàøå äà âúðøè ñúùàòà ðàáîòà, ïî ñêîðî èçãúçèöà, ïîâå÷åòî ñïúòíèöè ñà ñ àëóìèíèåâè îòðàæàòåëè, à òå ñòðóâàò ìàëêî ïîâå÷êî îò áèëèä îò F1 .....
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29th December 2003 02:48 #20
/Îôòîïèê ëè è àç íå çíàì/
 êàáèíåòà ìè ïî õèìèÿ èìàøå åäíà òàáëèöà êúäåòî ñðåáðîòî âîäåøå,à âòîðà áåøå ìåäòà.È ïîíåæå ìåäòà å ïî-åâòèíà è çàòîâà æèöèòå ñà ìåäíè,íî òîâà å âúïðîñ çà åëåêðîïðîâîäèìîñòòà ìàé?
/Îôòîïèê ëè è àç íå çíàì/Íå îòãîâàðÿì íà íåãðàìîòíè ïîñòîâå. Äà èçòèêàìå HWBG ïàïëà÷òà! Êîïèðàéòå ãî â ïîäïèñà ñè, çà äà ñè âúðíåì ôîðóìà.
Èìàì ñè áëîã è ñè ëàÿ â íåãî
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29th December 2003 06:59 #21Dark SkywalkerGuestÒîé òàêúâ ñå áåøå íàìåðèë, àìà Ãðèãîð íå ïîæåëà äà ìó îòãîâîðè äàæå, êîãàòî ïîëó÷è ïðåâîäà íà ïúðâà ÷àñò îò åäíî ðåâþ íàñêîðî. È íå å çà ïúðâè ïúò ãîòîâî ïðåâåäåíî ðåâþ äà ñè ñòîè åé òàêà.Originally posted by GeniusLoci
Ùåøå äà å ìíîãî õóáàâî àêî ñå íàìåðè æåëàåù äà ïîïðåâåæäà ÷àñòè îò íàøèòå ðåâþòà (çàêëþ÷åíèÿòà) è äà ñå ïðàùàò çàåäíî ñ öÿëîòî ðåâþ íà ïðîèçâîäèòåëèòå.
P.S. Ñúæàëÿâàì çà offtopic-à.
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29th December 2003 13:05 #22
Å, òî àêî ñòàâà âúïðîñ çà åäíè çàêëþ÷åíèÿ, è àç ñúì íàâèò äà ïðåâåæäàì
Íî òîâà, êîåòî êàçâà Äàðêè, íå ìè õàðåñâà...
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29th December 2003 16:00 #23Äà ãî úõúì..Originally posted by Dark Skywalker
Òîé òàêúâ ñå áåøå íàìåðèë, àìà Ãðèãîð íå ïîæåëà äà ìó îòãîâîðè äàæå, êîãàòî ïîëó÷è ïðåâîäà íà ïúðâà ÷àñò îò åäíî ðåâþ íàñêîðî. È íå å çà ïúðâè ïúò ãîòîâî ïðåâåäåíî ðåâþ äà ñè ñòîè åé òàêà.
P.S. Ñúæàëÿâàì çà offtopic-à.
Àáå êàêâî ñòàíà ñ òàÿ òåìà..òî äîáðå ãè ðàçäåëèõòå, àìà ìîÿ âúïðîñ êàòî "èçàêàí" ñòîè ãîðå
Ïà äàâàé áðå..! Íî íà ìîÿ ìåéë, íå íà Ãðèøàòà!Originally posted by Smoky
Å, òî àêî ñòàâà âúïðîñ çà åäíè çàêëþ÷åíèÿ, è àç ñúì íàâèò äà ïðåâåæäàì
Íî òîâà, êîåòî êàçâà Äàðêè, íå ìè õàðåñâà...
hardwareBG Teàm Member
Íàñòîëíè è êàðòîâè èãðè | RC ìîäåëè, ÷àñòè è òóíèíã | PC ìàãàçèí íà hardwareBG.com | Åëåêòðîííè öèãàðè
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29th December 2003 21:45 #24Òîïëèíàòà íå å åíåðãèÿ??? À êàêâî å?Originally posted by fellix
...òîïëèíàòà íå å åíåðãèÿ, à èçìåíåíèå íà åíåðãèÿòà (êàêòî ñëåäâà îò íà÷àëîòî íà àáçàöà).
Èçìåíåíèåòî íà åíåðãèÿòà å èçìåíåíèå íà òîïëèíàòà.
Å êàêâà âðúçêà èìà ãðàôèêà, êîéòî å ñ àìîðôíà ñëîåñòà ñòðóêòóðà?Originally posted by OgiDogi
À íà êàêâî ñå äúëæè ãîëÿìàòà òîïëîïðîâîäèìîñò íà äèàìàíòà? Äà íå áè äà å çàìåñåíà èçêëþ÷èòåëíî ïðàâèëíàòà êðèñòàëíà ðåøåòêà, ùîòî ãëåäàì â òàáëèöàòà è ãðàôèòúò ñå ïðåäñòàâÿ äîáðå?
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29th August 2008 14:38 #25Registered User
Join Date: Jul:2008
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÷óâàë ñúì ÷å çëàòîòî å íàé-äîáðèÿ èçáîð çà åëåêòðîïðîâîäèìîñò è àêî ñè íàïðàâèø ïðîöåñîð ñúñ çëàòíè òðàñåòà è ãî ñðàâíèø ñ îáèêíîâåí òàêúâ , ðàçëèêàòà ìåæäó äâàòà â áúðçèíàòà èì ùå å îñåçàåìà .




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