|
- 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 7 g9 F. l! S" Z& \4 Q
; t) I# S6 Q2 j; }% a( W* d1 W
2014年6月20日 Science
9 M e& K; c* B6 x 4 T5 Z5 a& V1 f; A: C. `5 ] M
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., Q+ {1 }% N: }6 I
Photo: © Les Stone/Corbis2 W) y2 R, g% J3 P: `
* Q" A+ F+ f* Y W; s: O; d C2 M7 E6 s/ U
1 ]5 u& ^: X4 i; J" _ |
-
总评分: 威望 + 20
包包 + 20
查看全部评分
|
发表于 2014-6-30 21:42
