|
 
- 积分
- 17983
- 威望
- 17983
- 包包
- 26159
|
本帖最后由 细胞海洋 于 2014-7-1 09:56 编辑 $ ?& M! T# x! C f E. y$ c! H$ H- L4 \( e
! f4 Z- [' v! J# B2 o8 v
2014年6月20日 Science
% ]# N9 h8 \" S" g4 u2 \! m5 T1 S 4 @, I# i! a% k3 C$ j% P
COVER Natural gas extracted from a deep shale formation by hydraulic fracturing ("fracking") technology burns at a well in Bradford County, Pennsylvania. Fracking is enabling a shale gas production boom, remaking energy markets, and stoking environmental concerns. See page 1464.
0 v2 L" O% t" e7 Z0 I4 O9 nPhoto: © Les Stone/Corbis
3 e1 n& M2 m- d4 C& Y- N" E I
" F& N+ W g4 X. S& X( N
$ n1 O/ h" a! `+ M) u* y |
-
总评分: 威望 + 20
包包 + 20
查看全部评分
|