Homework 54 this

墨涟

Nuclear weapons:
' g# j' f5 W7 y5 ^# h/ Vhttp://nuclearweaponarchive.org/Nwfaq/Nfaq0.html

/ N0 a7 ]+ s- d. qWeapons 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>

' z. Q4 m( r  e" w
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>
; }  M; l: B8 H6 ?

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:
) m7 Z! z( g9 e, W; Z8 C/ j<http://find.galegroup.com/gvrl/i ... 925&version=1.0>

( x( j( ]; L/ ?3 b

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:
6 V2 [+ e2 h! u1 w& N<http://find.galegroup.com/gvrl/i ... 925&version=1.0>

3 b$ d; p$ y; P3 c! @critical mass
1 A3 ^& y! Y- w: }n.
  i8 i& s) ]) L2 m! d9 N1. The smallest mass of a fissionable material that will sustain a nuclear chain reaction at a constant level.
) e$ \5 E& n) M2. The amount of matter needed to generate sufficient gravitational force to halt the current expansion of the universe
<http://www.thefreedictionary.com/critical+mass>
- _/ O3 ?5 ^/ ~2 ], Q  D2 j+ E
2 D: x5 ]1 V' {2 M* r9 L( ^0 ]+ F<>
' p4 `' d! H0 ?
+ K3 a3 e$ P6 k5 {. s[ 本帖最后由 墨涟 于 2008-10-24 15:04 编辑 ]