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AUTHOR_KR:Ah-Ra Ko 16 result(s) found
 
1. Synthesis and Optical Property of Au/Cu, Au/Ag Alloy Nanocluster

Na Hye Jin Na;Kyoung Chul Lee;Eun Ah Yoo;Kang Sup Chung;
Journal of the Korean Chemical Society, vol. 47, iss. 4, 2003, pp. 315-324
 
2. Synthesis of Mannich Bases Using Substitued Aromatic Alcohols with Secondary Amines: Relative Reactivity and Regioselectivity Depending on Substrates

Chi, Ki Whan;Ahn, Yoon Soo;Park, Tae Ho;Ahn, Jeong Soo;Kim, Hyun Ah;Park, Joo Yeon;
Journal of the Korean Chemical Society, vol. 45, iss. 1, 2001, pp. 51-60
 
3. Protonation State of Norfloxacin and Their Interaction with DNA

Yeo, Jeong-Ah;Son, Gwan-Su;Kim, Jong-Moon;Moon, Hyung-Rang;Jun, Eun-Duk;Cho, Tae-Sub;
Journal of the Korean Chemical Society, vol. 44, iss. 1, 2000, pp. 4-9
 
4. Probing Understanding of Acid and Base Concepts of the 3rd-Grade Students in Middle School

Kang, Soon Hee;Cho, Sung Ah;
Journal of the Korean Chemical Society, vol. 43, iss. 6, 1999, pp. 707-719
 
5. Analysis of Organic Acids in Urine by Gas Chromatography/Mass Spectrometry

Yoo, Eun Ah;Ko, Sun Young;Kim, Jong Won;Kim, Jeong Uk;Myung, Seung Woon;
Journal of the Korean Chemical Society, vol. 41, iss. 9, 1997, pp. 471-482
 
6. Kinetics and Mechanism of the Hydrolysis of 1-Halo-3-Phenyl-1,2-Propadienes

Lee, Kang Ryul;Yoo, Hil Ra;Jung, In Chan;Huh, Tae Sung;
Journal of the Korean Chemical Society, vol. 41, iss. 7, 1997, pp. 351-356
 
7. Synthesis and Cationic Polymerization of Vinyl Ethers Containing Benzylideneiminophenyl Groups

Lee, Ju-Yeon;Lee, Hyun-Ju;Kim, Kyoung-Ah;
Journal of the Korean Chemical Society, vol. 39, iss. 9, 1995, pp. 758-762
 
8. Effect of Ureas on the Conformational Properties of Poly(ethylene oxide) in Aqueous Solutions by Viscometry

Ra, Seung Chang;Yoon, Byoung Jip;Jeon, Sang Il;
Journal of the Korean Chemical Society, vol. 39, iss. 8, 1995, pp. 666-671
 
9. Tautomerism and Alkylation of 5-Amino-2H-1,2,4-thiadiazoline-3-one

Cho, Nam Sook;Park, Young Cheol;Ra, Do Young;Kang, Sungkwon;
Journal of the Korean Chemical Society, vol. 39, iss. 7, 1995, pp. 564-571
 
10. A Study on Air Emission Spectra Observed by Using Electrothermal-Hollow Cathode Glow Discharge Spectrometry (Et-HCGDS)

Lee, Sang Chun;Shin, Jung-Sook;Kang, Mi-Ra;
Journal of the Korean Chemical Society, vol. 39, iss. 5, 1995, pp. 399-407