The MTLL approximate formulation is used to simulate the lightning current in the lightning channel  when striking the oil derrick
. The absorption performance of the usually used absorbing boundary conditions analyzed , and it is found that the convolutional perfectly matched layer (CPML)  is the most effective for this problem.
Weeldreyer said this weekend's event will commemorate Olsen's scheme with a 20-foot oil derrick
erected in Coiner Park, and a chance to buy keepsake deeds to Olsen's original oil well.
mountains, oil derricks
efface prairies, highways are erased by mile
with oil derricks
nodding in yards of orange and lemon trees.
The US-led coalition used fighter and bomber aircraft to conduct seven airstrikes in Syria, namely near Al Hasakah, where "two airstrikes destroyed four oil derricks
," and near Kobani, where "five airstrikes destroyed five ISIL buildings and six ISIL fighting positions," CJTF-OIR revealed.
The strongest part of The Wisdom to Survive is an intermission from short stock footage clips of birds, waterfalls and oil derricks
. For five minutes, the film slows down and we focus in on a man doing permaculture in Vermont.
! SAN FRANCISCO, Dhu-AlQa'dah 15, 1434, Sep 21, 2013, SPA -- California scientists have discovered four species of legless lizards hidden in unlikely habitats among central valley oil derricks
, sand dunes at the end of a Los Angeles airport runway and other arid and desolate spaces, according to Reuters.
Its history is founded upon the oil derricks
depicted on the patch of its police department.
Beneath it are fields of brown grass, scrubby bushes, low twisted trees, and oil derricks
, still or bobbing calmly against the horizon.
and slush pits are dirty and smelly and this is by far a prettier picture.
Cross Slauson into that utterly bizarre Spielbergian land of oil derricks
till you emerge, across Jefferson, among industrial cinder-block buildings, weathered movie posters stamped on these lifeless things.
Burtynsky's arresting photographs include aerial views of both active and derelict oil derricks
, the architecture of massive refineries, vistas of junked vehicles, recycling yards, and mammoth oil tanker ship-breaking operations.