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염색폐수의 전해처리에 의한 탈색 및 COD , TOC 제거 특성
윤용수,전영규,하범용,박근원 한국공업화학회 1998 응용화학 Vol.2 No.1
This study was performed to measure and evaluate the characteristics of COD and TOC removal, and decolorization efficiency in the electrolytic treatment by using iron anode and aluminum cathode for the acid dye Red 114 generally known the most difficult to degrade in the dyestuff. The electrolysis can be feasible to Dye-wastewater cause of high decolorizing efficiency. high COD removal efficiency, and short reaction time.
윤용수 한국아랍어아랍문학회 2001 아랍어와 아랍문학 Vol.5 No.1
Some sociolinguistic scholars divided the phenomenon of code-shifting into the interference, borrowing and code-switching according to he chosen code in the conversation. And it has been cleared that code-switching is not random alternation of two (or more) varieties both between and within sentences but to be governed not only by extra-linguistics but also linguistics factors. That is to say, it has been proved that there are some constraints of code-switching. In this articles, I will analyze the form and constraints of code-switching in Arabic language based on the educated Arabs' speech. I also will divide the code-shifting of the educated Arabs' speech into the interference, borrowing and code-switching and try to analysis each character. And I will try to find the general constraints of code-switching in the educated Arabs' speech.