|
- 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 % D; k* O* v. ?
4 a/ e2 W' r% C1 ?3 T; n# |
2014年6月20日 Science
3 X3 D9 d& L$ q# X% R* i( W6 S 4 K5 Y- F$ a$ @7 _4 O, f4 o
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.
9 A5 X7 H% ?- I. DPhoto: © Les Stone/Corbis3 c. k: D: S2 n/ g5 m( T9 @" J
( a+ M/ G% P# b! i; I2 R7 G- {) C0 e0 ^5 P9 f+ C
|
-
总评分: 威望 + 20
包包 + 20
查看全部评分
|
发表于 2014-6-30 21:42
