Homework 54 this

墨涟

Nuclear weapons:
http://nuclearweaponarchive.org/Nwfaq/Nfaq0.html

8 e5 Q0 p3 `( z; Y* Q  J; BWeapons 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:
4 q0 ?1 O% s4 m( ?1 E6 k5 S<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
- I" t0 R6 K1 S3 O
! ^# i4 R4 @* @9 r. e% M
/ h. ?2 H- n; S2 T/ T& G; d9 wNuclear 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>
9 e' ]0 s, \1 n" C) n

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:
$ F: j, P( r5 e5 k  ~- l8 Q<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
' O: b4 [: i: z) h! F


8 |% }# K2 t0 {0 b& H; hLerner, 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:
<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
  \' O) M: U& v* w! p  |
critical mass
n.
1. The smallest mass of a fissionable material that will sustain a nuclear chain reaction at a constant level.
. _' _. ?6 k$ e; R2. The amount of matter needed to generate sufficient gravitational force to halt the current expansion of the universe
2 ?! C* ~* q7 l* _& ]% N5 [<http://www.thefreedictionary.com/critical+mass>
3 C( j$ l& T8 d4 r& a0 ?
7 o( V3 Q$ @( S8 l( r; A  V0 g<>

[ 本帖最后由 墨涟 于 2008-10-24 15:04 编辑 ]