5) X-선관의 주요 성능지표
① 관전압 인가 최대 전압 뼈 등과 같이 밀도가 높은 부분 두꺼운 부분을 촬영할 때는 높은 관전압이 필요 : ,
② 관전류 인가최대전류며 단위 관전류가 크면 필라멘트에서 더 많은 전자가 방출되고 따라서 저지극에 충돌하는 : mA ,
전자의 수도 증가하여 방출되는 선량이
1. 내연기관의 개요
1-1 내연기관의 정의
열기관(Heat Engine)은 주로 화석 연료를 연소시켜 발생되는 열에너지를 기계적 에너지로 변환하는 장치를 말한다. 열에너지원으로는 태양열, 지열, 핵에너지까지 고려될 수 있는데, 주로 화석 연료인 석유와 석탄이 주된 열에너지원으로 활용되고 있다. 열에
Lying in bed, coughing. Pale, one sick cookie. Maybe hes seven or eight or nine. He holds a remote in one hand, presses it, and the video game moves a little bit. Then hes hit by another spasm of coughing, puts the remote down.
His room is monochromatic, greys and blues, mildly high-tech. Were in the present day and this is a middle class house, somewhere in the suburbs.
CUT TO:
The Kids MOTHER
DUNE
the motion picture screenplay
Foreword by Matthew Robinson and Kirk Boweat City University, London England
There are a number of things to note about this script:
The formatting is not exactly the same as the script that it was copied from. However, the scenes are all on the same pages that they appear in the script.
The pages are not numbered because the original script contained inconsi
The Empire Strikes Back
Story by George Lucas
Screenplay by Leigh Brackett
Lawrence Kasdan
Produced by Gary Kurtz
Directed by Irvin Kershner
Cast List:
Mark Hamill Luke Skywalker
Harrison Ford Han Solo
Carrie Fisher Princess Leia Organa
Billy Dee Williams Lando Calrissian
Anthony Daniels See-Threepio (C-3PO)
David Prowse Lord Darth Vader
Peter Mayhew Chewbacca
Kenny Baker Artoo-Deetoo R2-D2
Fran