Homework 54 this

墨涟

Nuclear weapons:
http://nuclearweaponarchive.org/Nwfaq/Nfaq0.html
0 ]* `, y- B  ?& c. Q
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:
; k$ O7 ?3 k4 v1 W: F- \; e9 {6 N<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
4 B& @$ x4 a5 v- C- U' y  R! V

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>
0 ?: G  r, g& X$ R2 M* X& z

+ L/ X8 e9 _2 i, d9 k( T% U* }& aClark, 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:
, z2 N) N, i0 V1 b<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
1 \& y; J$ K8 B1 X1 N% n

+ S. o. r0 }- O$ j
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:
  {- x: g2 z' M<http://find.galegroup.com/gvrl/i ... 925&version=1.0>

# Z9 Y  V8 O  P; |0 gcritical mass
n.
1. The smallest mass of a fissionable material that will sustain a nuclear chain reaction at a constant level.
: X% I' S6 ^( _1 d9 C! J4 b: e8 }0 Z2. The amount of matter needed to generate sufficient gravitational force to halt the current expansion of the universe
<http://www.thefreedictionary.com/critical+mass>
) ~  I) F) o9 i2 R, ?
# K0 u5 g/ j5 w) q<>
$ U, g+ q, r) C2 s0 z5 a
8 |4 g5 _4 `1 t" g4 n[ 本帖最后由 墨涟 于 2008-10-24 15:04 编辑 ]