args[0]=message
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Re: Chernaya dyra
24.05.2014 16:45 | A.P. Vasi
Bezopornoe dvizhenie ya by uzhe tak by ne delal,
sobstvenno est' i drugie varianty.
Chto nado znat' - est' efir, - predstavlyaet iz sebya
mohnatyi sharik, pokrytyi elektroprovodyashei
zhidkost'yu - elektroi, i po faktu uzhe v efire
budut vse effekty statiki, magnitnoe pole - osevaya
raskrutka efira, prityazhenie - prohozhdenie efira skvoz'
tela v centry massivnyh tel vnutri kotoryh proishodit
kondensaciya efira v zhidkoe sostoyanie s vydeleniem tepla.
Est' ochen' moshnye i ochen' aktual'nye opyty.
----------------------------------------------------------------------------------------------------------------------
http://www.powerinfo.ru/electrophoresis.php
\\\Mehanizm elektroliza Reise ob'yasnyal tem, chto "odna iz dvuh sostavnyh
chastei molekuly, razlagaemoi deistviem gal'vanicheskogo toka, perenositsya
ot odnogo polyusa k drugomu cherez mezhpolyusnuyu zhidkost'". Esli mezhdu
polyusami pomestit' kakoe-libo postoronnee telo, naprimer zemlyu, to ona
ne budet prepyatstvovat' prohozhdeniyu toka i razlozheniyu vody.
V 1807g. Reise modificiroval opyt Nikol'sona po razlozheniyu vody. Chtoby
dobit'sya razdeleniya produktov elektroliza, Reise zapolnil tolchenym kvarcem
srednyuyu chast' U-obraznogo elektrolizera-trubki. On zametil, chto prilozhenie
vneshnego bol'shogo napryazheniya k elektrodam privodit k peremesheniyu vody v
trubke v storonu otricatel'nogo polyusa. Pri
prodolzhitel'nom propuskanii
toka ustanavlivalas' postoyannaya i znachitel'naya (do 20 santimetrov) raznost'
urovnei zhidkosti. Perenos
zhidkosti pod deistviem vneshnego elektricheskogo
toka, nablyudavshiisya v poristyh telah, poluchil nazvanie elektroosmosa.\\\
![Shema opytov Reissa po elektroosmosu i elektroforezu](http://www.powerinfo.ru/img/electrophoresis1.gif)
Shema opytov Reissa po elektroosmosu i elektroforezu
\\\Reise prodolzhal vidoizmenyat' opyty po elektrolizu. On vstavlyal vo vlazhnuyu glinu
dve steklyannye trubki, zapolnennye vodoi, v trubki pogruzhal elektrody. Posle vklyucheniya
toka naryadu s elektroosmosom nablyudalos' eshe odno novoe yavlenie - dvizhenie otorvavshihsya
chastichek gliny v protivopolozhnom napravlenii - k polozhitel'nomu polyusu. Yavlenie
peremesheniya chastic tverdoi fazy v zhidkosti pod vliyaniem toka bylo nazvano elektroforezom.
Reise sdelal soobshenie v universitete ob otkrytyh im yavleniyah. Cherez dva goda vyshli ego
stat'i, v kotoryh byli podrobno opisany elektroosmos i elektroforez. V etih yavleniyah
proyavlyalas' svyaz' mezhdu elektricheskim tokom i otnositel'nym peremesheniem tverdoi
i zhidkoi fazy. Ponimanie takoi svyazi bylo, odnako, nepolnym, tak kak yavleniya,
protivopolozhnye elektroosmosu i elektroforezu po harakteru prichinno-sledstvennoi
svyazi, to est' vozniknovenie elektricheskogo potenciala pri dvizhenii zhidkosti ili
tverdyh chastic, byli otkryty lish' spustya polveka.
Effekt, protivopolozhnyi elektroosmosu, obnaruzhil Georg Kvinke (1834-1924), professor
Berlinskogo universiteta. V ego opytah pri
protekanii zhidkosti cherez poristuyu diafragmu
poyavlyalas' raznost'
potencialov mezhdu dvumya elektrodami, pomeshennymi po raznym
storonam
diafragmy. Yavlenie poluchilo nazvanie potenciala techeniya. Togda zhe
(a imenno v 1859g.) Kvinke predpolozhil, chto poverhnost' tverdogo tela zaryazhaetsya
odnim znakom, a prilegayushii sloi zhidkosti - drugim. Eta shema
pomogala ob'yasnit'
otnositel'noe dvizhenie zhidkosti i chastic tverdoi fazy pod deistviem toka, a takzhe
poyavlenie potenciala pri protekanii zhidkosti cherez poristuyu diafragmu. V dal'neishem
eta ideya privela k
otkrytiyu udivitel'noi granicy na razdele faz - dvoinogo
elektricheskogo sloya.\\\
![Shema vozniknoveniya potencialov techeniya i osedaniya](http://www.powerinfo.ru/img/electrophoresis2.gif)
Shema vozniknoveniya potencialov techeniya i osedaniya
\\\Vozniknovenie zhe raznosti potencialov pod deistviem mehanicheskogo dvizheniya tverdyh
chastic v zhidkosti nablyudal v 1880g. nemeckii fizik
Fridrih Dorn (1848-1916).
Ono bylo nazvano effektom Dorna, ili potencialom osedaniya.\\\
--------------------------------------------------------------------------------------------------------------------------------------------[Citirovat'][Otvetit'][Novoe soobshenie]
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