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kremík
SYS d012825 LBL 00000nx--j22000003--45-- 005 20240119201200.6 100 $a 19990101csloy0103----ba0 152 $b mesh 250 $a kremík $x AD $x AE $x AG $x AN $x BL $x CF $x CH $x CL $x DF $x EC $x HI $x IM $x IP $x ME $x PD $x PH $x PK $x PO $x RE $x SD $x ST $x TO $x TU $x UR $8 slo 330 1-
$a A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. $8 eng 550 $3 sllk_un_auth*d014131 $Y Trace Elements $5 P $a prvky stopové 550 $3 sllk_un_auth*d017646 $Y Organosilicon Compounds $5 F $a zlúčeniny organokremičité 686 $a D01.268.513.937 750 $a Silicon $8 eng 801 -0
$a US $b DNLM $c 19990101 801 -2
$a SK $b BA006 $c 20070706 820 $a do not confuse with SILICA or SILICONES; lung disease from various silicon dusts = SILICOSIS $8 eng 980 $x M
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