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오준식 한국가구학회 2004 한국가구학회지 Vol.15 No.1
Designers in Korea have stuck to development of furniture which has high reliance of foreign national resources. They made mistake that they didn't try to make inroads into the world market. They have kept production system of labor intensive method till 1990. They imitated foreign manufactures to win in domestic economy. It became the complete lack of exploitation experience and brought stagnation of design which couldn't defeat. Now Korea is making progressive impression in territory of an electron and information in a foreign market. A new progress of furniture design which was developed centering around a digital suggest a new appearance that will lead a future with modernization in a space of residence. This sis a new starting point which was most completed by anyone. If we will prepare without delay we can take part in a world market with competitive power.
항생제 내성균 및 유전자제거를 위한 염소 CT 값 비교
오준식,김성표 한국습지학회 2014 한국습지학회지 Vol.16 No.2
본 연구의 목적은 항생제 내성 균과 유전자 및, 항생제 내성 전달을 제어 하는데 필요한 살균능 (CT, 농도* 접촉 시간)을 서로 비교하는데 있다. 이를 위하여, 이를 위해 각기 다른 염소 주입농도(C)와 접촉시간(T)에따라 각각의 항생제 내성 제거를 산정하였다. 그 결과 항생제 내성균 90%(1 log)이상 제어를 위해서는 CT값( 176∼353 mg·min/L)이 필요하였으며, 항생제 내성 유전자의 제거를 위한 CT 값은 195∼372 mg·min/L 이었다. 또한 항생제 내성 유전자의 전이 90% 이상 제거를 위한 CT 값은 187∼489 mg·min/L이었다. 따라서,본 연구조건에서는 항생제 내성 유전자 및 유전자의 전이에 대한 제어를 위해서는 항생제 내성균 제어보다더 높은 소독능이 필요함을 알 수 있었다.
항생제 내성 제어를 위한 소독 기법간의 비교 ; 염소, 오존 및 전자빔
오준식,김성표 대한상하수도학회 2013 상하수도학회지 Vol.27 No.6
Recently, a number of countries are now considering the reuse of effluents from wastewater treatment for various water applications. To improve the reuse of wastewater effluent, the development of appropriate micro-pollutant removal technology is necessary. Although several researche have been studied for removing micro-pollutants in water, little study has been conducted for the removal of emerging contaminant such as antibiotic resistant genes (ARGs) by disinfection processes. Therefore, the aim of this study is to compare the capacity of disinfection technologies such as chlorination, ozone, and electron beam, for removing antibiotic resistant bacteria (ARB) and ARGs. Based on this study, better ARG removal can be achieved by ozonation and electron beam. Relatively, high CT values of chlorination or ozonation are needed to remove ARB and ARG compared to conventional pathogens.
微生物農藥(Bacillus thuringiensis)의 殘留毒性이 누에에 미치는 影響
吳駿植 건국대학교 1980 論文集 Vol.12 No.1
This experiment were carried out to investigate the effect of thuricide and Bactospeine of microbial insecticide (Bacillus Thuringiensis) on Silk Worm Bombyx mori. The results were as follow: 1) Bacillus thuringiensis were less toxic than chemical insecticides to silk worm. The toxicity of Bacillus thuringiensis showed slowly and gradually and killed the tested worms in 20 houre on the 3rd instar and in 4 days on 5th instar. 2) The ranges of LD 50 value to the 3rd and 5th instar were from 7,698×10/ml to 1,893 ×103/ml. 3) The toxicity to the silk worm varieties showed the highest to jam 107×jam 108 and low to jam 112×jam 111 amont the 3rd instar, but no different toxicity in 5th instar. 4) Thuricide wettable powder was more toxic to the silk worm than Bactospeine. 5) The leaves of mulberry which was Bacillus thuringiensis for 12day did not show the toxicity to silk worm.