scattered houses of the town and then walked down the railroad track to the bridge over the river. ①The river was there. It swirled against the log spiles of the bridge. ②Nick looked down into the clear, brown water, colored from the pebbly bottom, and watched the trout keeping themselves steady in the current with wavering fins. As he watched them they changed their positions by quick angles
투과전자현미경은 주로 시료의 내부구조나 단면을 관찰하는데 쓰이고 있다. 원리는 광학현미경과 비슷하다. 전자현미경에서의 광원은 높은 진공 상태(1x10-4 이상)에서 고속으로 가속되는 전자선으로 이 전자선이 표본을 투과하여 형광판이나 사진필름에 초점을 맞추어 투사된다. 이 전자의 파장은 가
1. graphics object
Mathworks회사에서는 matlab에서 이용되는 그래프들의 체계를 위해 “Handle Graphics system”이라는 새로운 용어를 만들어 냈다. 또한, 컴퓨터 screen을 포함한 개개의 모든 그림 창(figure window)들과 좌표축들 그리고 patch(그림 성분)들은 “graphics object”라고 부른다. 즉, 앞으로 배울 line, text, image, us
2-3. Rapidly Growing Logistics Market
South Korea boasts an excellent location in Northeast Asia and a superior logistics infrastructure which is linked to various major cities in the region. South Korea's world-class manufacturing companies including Samsung Electronics, Hyundai-Kia Motors, LG Electronics, LG Display, Hynix Semiconductors, Hyundai Heavy Industries, POSCO, and Hyundai MOBIS pro
Introduction
‘Marine litter is any persistent, manufactured or processed solid material discarded, disposed of or abandoned in the marine and coastal environment. Marine litter consists of items that used by people and deliberately discarded into the sea or rivers or on beaches. Marine litter originates from many sources and causes a wide spectrum of environmental, economic, safety, health a