Homework 54 this

墨涟

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

# ]* e/ Q) C% E2 WWeapons 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:
1 M; s/ X0 F' W$ s- |- r" g<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
% [* a0 S/ ?7 S
* ^) ]: J) E6 K# y# y
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:
. B4 }5 |' h5 N+ \4 y<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
6 W8 {! p; r" e$ F) N2 C

' z- L$ M" F+ W! {3 W. C1 JClark, 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:
7 D( Z& u* L+ E. J<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
% i4 N) e) {8 @% j  `
2 s& a% V' A1 b! s# o) a
% M1 e! r; [8 N
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:
<http://find.galegroup.com/gvrl/i ... 925&version=1.0>
  ?  T% x4 b3 `) z2 e4 f' Q
' Z" Q, U1 x+ Z  k3 r9 Qcritical mass
n.
2 l- N  Z8 u/ |" ~1. The smallest mass of a fissionable material that will sustain a nuclear chain reaction at a constant level.
2 S! e5 I% W" s8 p" d% ]$ S( ]2 Z2. The amount of matter needed to generate sufficient gravitational force to halt the current expansion of the universe
2 R4 ]; |2 H& y; `<http://www.thefreedictionary.com/critical+mass>
6 f4 O6 _* u3 `- V% e; M) r3 m% c6 P# w3 N
<>
! C/ U1 \8 e* [% k# {7 |1 n/ b* G) a
, |) ^$ Q) c/ k! f- c[ 本帖最后由 墨涟 于 2008-10-24 15:04 编辑 ]