HWAHAK KONGHAK HWAHAK KONGHAK, Vol.12, No.5, October, 1974 Entire volume, number list ISSN: 0304-128X (Print) In this Issue (6 articles) 277 - 284 A Practical Method for Determining the Viscoelastic Properties of Polymer Melts at High Shear RatesA Practical Method for Determining the Viscoelastic Properties of Polymer Melts at High Shear RatesHan CD 285 - 296 Biochemical Engineering - Trends and Recent Advances: Part (I) Fermentation EngineeringRyu DY 297 - 302 기포탑내에서의 몇가지 용액에 대한 가스 호울드업(I)Gas hold-up to Several Aqueous Solution in Bubble Column(I)김주봉, 손진언, 김상열 303 - 308 소성 Alunite분말과 물의 불균일반응속도와 기구Heterogeneous Reaction of Calcinated Alunite Powder with Distilled Water: Kinetics and Mechanism이희철 309 - 314 국내산 갈탄을 이용한 기상흡착용 활성탄 제조(II)Manufacture of Active Carbons from Domestic Lignite (II)이희철, 장인용 315 - 319 요소합성탑사고와 나주공장 정상화(한국종합화학)문경주
