Elhuyar Zientzia

Categories

science
general

Archives

2025
March
February
January

2024
December
November
October
September
July
June
May
April
March
February
January

2023
December
November
October
September
June
May
April
March
February
January

2022
December
November
October
September
July
June
May
April
March
February
January

2021
December
November
October
September
June
May
April
March
February
January

2020
December
November
October
September
July
June
May
April
March
February
January

2019
December
November
October
September
July
June
May
April
March
February
January

2018
December
November
October
September
July
June
May
April
March
February
January

2017
December
November
October
September
July
June
May
April
March
February
January

2016
December
November
October
September
July
June
May
April
March
February
January

2015
December
November
October
September
July
June
May
April
March
February
January

2014
December
November
October
September
June
May
April
March
February
January

2013
December
November
October
September
June
May
April
March
February
January

2012
December
November
October
September
June
May
April
March
February
January

2011
December
November
October
February
January

2010
December
November
October
September

2009
June

March 2025
S M T W T F S
     
            1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31

Syndication

Mon, 16 November 2020
Norteko Ferrokarrilla/2020-11-13/Frantzioa eta Marguerite Perey

Marguerite Pereyk frantzioa elementua aurkitu zuen aktinioa ikertzen ari zenean. Isotopo egonkorrik ez du frantzioak eta ez da inoiz lortu kantitate aipagarririk sortzea. Kondizio horietan, oso zaila da elementu hori aurkitzea, are zailagoa XX. mendearen lehen erdian, baina Pereyk lortu zuen. Mentxu Aiertza kimikariak kontatu digu haren istorioa.

Direct download: NFXXV-10c.mp3
Category:science -- posted at: 12:02pm EDT