大图:3872× 2592 像素·32.78 cm × 21.95 cm·300dpi·JPG 中图:1000× 669 像素·35.28 cm × 23.6 cm·72dpi·JPG 小图:500× 335 像素·17.64 cm × 11.82 cm·72dpi·JPG 了解更多 图片套餐 常见问题: 商业用途| 授权| 授权书| 发票| 合同问题 ...
We show that the electric field generated by a lightning return stroke to a tall structure can change polarity at very close range, typically at distances of about one tenth of the height of the struck object. Such an inversion of polarity is theoretically explained using the equation derived ...
ID:107631977 大图:4009×2663像素·33.94cm ×22.55cm·300dpi·JPG 中图:1000×664像素·35.28cm ×23.42cm·72dpi·JPG 小图:500×332像素·17.64cm ×11.71cm·72dpi·JPG 了解更多 图片套餐 常见问题: 商业用途 | 授权 | 授权书 | 发票 |
magnetic fieldspolarity inversionreflection coefficientstroke wave front speedWe show that the electric field generated by a lightning return stroke to a tall structure can change polarity at very close range, typically at distances of about one tenth of the height of the stru...
During a lightning storm, no place outside is safe.If you hear thunder, lightning is close enough to hit you.Most lightning victims (受害者) are in open areas or near a tree. If you are(7)___(indoor) during a lightning storm, you could still be(8)___danger. Stay off wired phone...
Electric and Magnetic Field Measurements at Very Close Range Associated with Lightning Strikes to the Austrian Gaisberg Tower G. Diendorfer1 , A. Mosaddeghi2, D.Pavanello2, H. Pichler3, F. Rachidi2, , M. Rubinstein4 1OVE-ALDIS, Vienna, Austria, G.Diendorfer@ove.at 2Swiss Federal Institut...
During a lightning storm, no place outside issafe. If you hear thunder, lightning is close enough tostrike you. Most lightning victims are in open areas ornear a tree.When you hear thunder, experts say, immediatelytry to move to a safe shelter. 3 If lightning strikesthis kind of ...
Duringa lightning storm, no place outside is safe. If you hearthunder, lightning is close enough to hit you. Most lightningvictims(受害者) are in open areas or near a tree.If you are 7( indoor) during a lightning storm,you could still be 8 danger. Stay off wired phones,computers and...
If you are outside, (5) ___ (expert) say you should take cover, (6) ___ means finding a safe shelter for protection.During a lightning storm,no place outside is safe.If you hear-thunder,lightning is close enough to hit you.Most lightning victims are in open areas or near a tree...
Try to move to safe places as40 as you If you hear thunder, lightning is close enough to strike 39can. Look for a strong building with plumbing(水管装置) and electrical wiring(电线). If lightning strikes this kind of building, the plumbing and wiring will help a lot, 41I,they can ...