Homework 54 this

墨涟

Nuclear weapons:
- U! P% T5 w' q) ^http://nuclearweaponarchive.org/Nwfaq/Nfaq0.html

$ f: l2 t3 [7 l" |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:
<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
/ V, v: t4 c7 T1 e3 Z) S

Nuclear 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:
<http://find.galegroup.com/gvrl/i ... 925&version=1.0>


4 y7 z* @3 ]2 H- z9 k4 ^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:
<http://find.galegroup.com/gvrl/i ... 925&version=1.0>


8 E% w- b% s- c' `8 K
Lerner, 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:
, k+ F  k4 t! ^' z<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
5 Z9 g+ i0 G: ^, A, s
4 j  G+ B9 e% Ucritical mass
n.
2 x0 l8 B# U- L  p: {' G# d( H1. The smallest mass of a fissionable material that will sustain a nuclear chain reaction at a constant level.
2. The amount of matter needed to generate sufficient gravitational force to halt the current expansion of the universe
<http://www.thefreedictionary.com/critical+mass>
# \( Q0 B, r4 f. {  r
$ M/ }1 O2 ~( t) j1 {. n2 e<>
+ Q3 N0 V5 G: ~4 W* r/ l
[ 本帖最后由 墨涟 于 2008-10-24 15:04 编辑 ]