120 B. B. JIEnEmKHHT.. H3CJTBA0BAHLfI EkJ[T> OCMOTHqECKHMH 



IIpHBeAeeHbie onbiTbi noKa3biBaKyrb, qTO npoHnuaeMoerb njia3MaTHqecKOH nepeuoHKH KJii- 

 TOK-b JiHCTOBoro snnAepMnca Tradescantia discolor He MeirEe qyBCTBnTejibHa kt> CBiTy, qturb 

 njia3MaTHqecKafl nepenoHKa kji-btokt> jincTOBbix'b coqjieHemn. Ilpn 3aTeMHiHin nponcxoAnrb 

 yiweHbmeHie npoHHnaeMOCTH m, 1,2 — 1,5 pa3a. HaoCopoTi ocBtmeme Bbi3biBaerb bt> 3aTeM- 

 HeHHOH KJiiTRt cooTBiTCTBeHHoe yBejinqeHie npoHHHaeMOcrn. 



H3T> Ta6jinirb bhaho TaKace, qTO 6"jjaroAapa yMeHbinemK) npoHnnaeMOcrn iiJia3inaTHqecK0H 

 nepenoHKH noc-irk 3aTeMH , EHiH nponcxoAHT'b yBejinqeme ociuoTnqecKaro AaBJieHis: KJitToqaaro 

 coKa no KpanHen M'fep'E na 0,04 aTM. n cooTB-ETCTBeHHoe naAeme 3Toro AaBJiemn nocjit nepe- 

 HeceHia pacTemfl Ha CBtrb. 



H3"b npHBCAeHHbixT, onbiTOB-b bhaho, HacKOJibKO mojkho npnAaBaTb irEHy pesyjibTaTaiu-b 

 H3CJi r BA0BaeiH naAT> H3M"BHeHiaMH Typropearo AaBJienia, nojryqeHBbiM-b npn noMomn njia3- 

 MOJiHTnqecKaro MeTOAa 6e3i> BBeieHia nonpaBKH Ha npoHnnaeiuocTb njia3MaTnqecKOH nepenoHKH. 

 riocjit saieMHiHia KOHn,eHTpan,ia njia3MOJin3npyK)maro pacTBopa cejiHTpbi, naK-b noKasbiBawrb 

 Ta6jran,bi, yMeHbinaeTca ea 0,03 — 0,04% (raox XXXV), TorAa Kara TypropHoe AaBJieHie npn 

 aTOiwb yBejinqnBaeTca. 



06paTHMca Tenepb kt> onpeA'EJieHiK) H3MtHeeia npoHnnaeMOcrn njia3MaTnqecKon nepenoHKB 

 n Typropnaro AaBJieHia kji^toki cnnpornpbi noAij BJiifluieMT> nepeMtHbi ocBtmenia. 



Cnoco6i> ycTaHOBJieHia R30TOHHqecKaro Koe«>*nnieHTa cnnpornpbi 6bun> bt> noApoSHOCTHX'b 

 onncaHi bt> rjiaBi II (cip. 40). IIpnM'EHnTeJibHO kx onpeA"EJieHiK) nsMiueHia npoHnnaeMOcm 

 npn nepeM'BH'E ocBtmeHia, onbirb pacnojiarajica cji'EAyromHM'b o6pa30iwb. 



HnTb cnnpornpbi ajihhhoio okojio l x / 2 canT. pa3pt3a.iacb naKaHyHi onbua Ha ABt paBHbia 

 qacTn. IIocjiAHia yKptnjiHJincb npn noMomn CTeKJi/iHHbix'b bojiockobt> h cmech BOCKa ct> 

 TepneHTHHOM'b na AByx-b 6ojibmnx'b noKpoBHbixi) CTeKJiax-b, KOTopbia onpoKHAbiBajincb, Kara 

 onncaHO na CTp. 35, HaA^ HHJiHHApnKOM'b. B% nnjinHApnra najiHBajiacb BOAa, nocjit qero o6t 

 TaKHM% o6pa30ivrb yeAHHeHHbiH nojioBnHbi hhth cnnpornpbi ociaBajincb BTeqeme Hoqn Ha okh^ 

 jiao"opaTopin. Ha Apyron AeHb OAHa h3t> ye-AHHeHHbix'b nojiOBHHT. noABeprajiacb TOTqaci> njia3M0- 

 JiH3y, Apyraa ase noM-femajiacb npeABapnTejibHO Ha V/ 2 qaca bt> TeiuHyio KOMnary. 



IIocji'b ycTaHOBjeHifl n30TOHnqecKaro Koe<t>*nnieHTa ajw 1 KJiiTora nepBon nojiOBHHbi hhth 

 na CBtxy n BBeAema nonpaBKH ua 3haocmo3^ rjinnepnua, 3Ta nojiOBHHa noiuimajiacb Tanate 

 bi TeMHOTy, rj& n ocTaBajiacb okojio 1V 2 qaca. Ho HCTeqeHin 3Toro BpemeHH oTMtqajica HOBbiii 

 o6%eMi) njia3MOJiH3npoBaHHaro npoTonjiacia bt> rjinnepHHt n nocjit 3aM"BHbi nocuf^Anaro pacTBO- 

 poiwb caxapa, onpeA^Jiajica cnoBa H30T0HnqecKin Koe^^nnieHT-b. OnpeA'BJieHie H30TOHnqecKaro 

 Koe**nnieHTa y nojiOBHHbi hhth, noMimeHHon BHaqajii onbiTa bi TeMHyw KOMHaTy, nponcxo- 

 AHJio bt, o6paTHOMT> nopHAK-fe t. e. CHaqajia 3Ta BCJinqniia onpeAB.najiacb btj TeMHOTt, nocjit 

 qero BOAopocjib BbicTaBJia.nacb Ha pa3CBaHUbin cojmeqHbin CBiTi n H30T0HnqecKie Koe*<pn- 

 njeHTbi onpeA^Jiajincb bhobb. MnKpocKonnpoBaHie n 3apncoBbiBame njia3MOJiH3npoBaHHbixi 

 npoTonjiacTOBi) bx tcmhoh KOMHaTt nponcxoAHJio npn CBtTt ayepoBCKon roptjiKH, nociaB- 

 jeHHon Bi) *0Hapb, npn qeiwb CBiTX npeABapnTe.ibHo npoxoAnjii) qepe3i cjioh Hacbim,eHHaro 

 pacTBopa xpoiwnnKa tojihthhoh" okojio 1 5 caHT. 



