 鲜花( 1)  鸡蛋( 0)
|
Nuclear weapons:- }: y. _* ]+ V3 G
http://nuclearweaponarchive.org/Nwfaq/Nfaq0.html
, B' a, L A" R5 t9 s2 h* h& H ?# c$ N1 p7 ]% n: v
Weapons of Mass Destruction. (2003). In Harvey Kushner (Ed.), Encyclopedia of Terrorism, Vol. 1. (404-406). Thousand Oaks: Sage Reference. Retrieved October 22, 2008, from Gale Virtual Reference Library via Gale:
! n: t& Q1 Z+ F<http://find.galegroup.com/gvrl/i ... 925&version=1.0>6 G$ f+ P' }6 L! G8 a
- R. `$ `% v8 F: |5 A
/ {( n, N7 G- B/ R% ?* c( PNuclear Weapons. (2006). Encyclopedia of Modern Europe: Europe Since 1914: Encyclopedia of the Age of War and Reconstruction, Vol. 4. (1891-1898). Retrieved October 22, 2008, from Gale Virtual Reference Library via Gale:
9 `5 `8 R5 W2 D1 z2 u<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
: D2 p; R+ u9 Q7 \7 W8 ]) O0 U, S! k4 P. o; y8 d$ E
! h8 X3 l" k5 \ s! R
Clark, Roger. (2005). Nuclear Weapons. In Dinah Shelton (Ed.), Encyclopedia of Genocide and Crimes Against Humanity, Vol. 2. (754-761). Detroit: Macmillan Reference USA. Retrieved October 22, 2008, from Gale Virtual Reference Library via Gale: 6 W7 r; x+ l$ X& o
<http://find.galegroup.com/gvrl/i ... 925&version=1.0>7 ~ L/ k" m+ ~
" w4 ?7 X3 G/ n6 O/ T2 R
( T% s% u9 N, H
5 M7 b s2 v$ `6 b$ y/ Y& dLerner, K. Lee, Gilman, Larry, & Haycock, Dean Allen. (2004). Nuclear Weapons. In K. Lee Lerner & Brenda Lerner (Eds.), Gale Encyclopedia of Science, Vol. 4. (3rd ed., 2816-2821). Detroit: Gale. Retrieved October 22, 2008, from Gale Virtual Reference Library via Gale:
+ n- O; u$ c, i( {<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
8 o5 H$ `8 V( v( m- L! o' ], _. y1 B, D& ^5 ~5 |/ x
critical mass" b4 S% s K! i) o$ i; v( x
n.
2 z3 K- k& R3 h1. The smallest mass of a fissionable material that will sustain a nuclear chain reaction at a constant level.) B- g6 c5 R. Z Z
2. The amount of matter needed to generate sufficient gravitational force to halt the current expansion of the universe4 j: v$ Q: i, `8 b
<http://www.thefreedictionary.com/critical+mass>
Z6 D% i. N* s( ?( K9 \ y0 j Z: ~# q+ A A
< >
6 k. S8 J9 ~8 `3 g M0 M0 o( t0 y( }: E8 z9 { _, ^" V
[ 本帖最后由 墨涟 于 2008-10-24 15:04 编辑 ] |
|