:?

::

: ,,

,,, ,?

--

HgS

.

()

(17)(Boyle)Dalton1803

/gHm

Lrm

/mHr

Csr 1u=1.66054*10-23 g (mass) 1.6737*10-24 433.4009*10-245.2918*10-11 5.2395*10-10

/H2 (-CH2-CH2-)n >1*10-18/ H2 (-CH2-CH2-)n ~ 1.09*10-4 3.3474*10-241.2*10-10

x

Helmholtz1881ThomsonStoney

1879Crookes1895(Rontgen)x

1896(Becquerel)(K[UO2(SO3)2])1898(Curie)400

(Elementary particles) : ~10-15

/ /

1955(S.L.Galshow)1978: ?maons !

1973

!