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of the absorption spectra is dependent on the solvent and the concentration. In the absorption spectra using dimethyl sulfoxide, dimethylformamide and ethylenediamine, two bands were observed. Considerable change was not observed but the absorbance showed a considerable difference. ESIPT was not observed using these solvents. In the ethylenediamine solution, neither the emission spectrum nor
12페이지 | 800원 | 2016.02.04
[화학공학]Synthesis and electrical properties of ZnO nanowires(영문)
and lower than other semiconductors.this value is smaller than that obtained by Lee et al. (6 V/mm) Ham et al. (6.2 V/mm)4. ConclusionFabrication of ZnO p–n junction without any adulteration was achieved.The field emission of these vertically aligned ZnO nanowires showed a relatively low field emissionThe dependence of emission current density on the electric field followed Fowler–Nord
14페이지 | 1,600원 | 2010.08.20
and Koga, T.,(1993) Spectroscopic Studies of the Thermochromism of N-(2-Hydroxy-4-methoxybenzylidene)-4-nitroaniline. J. Raman 2 Spectrosc., 24, 447, 5. Ito, E., Oji, H., Araki, T., Oichi, K., Ishini,H., Ouchi, Y., Ohta, T., Kosugi, N., Maruyama, Y., Naito, T., Inabe, T., and Seki, K., (1997) Soft X-ray Absorption and X-ray Photoelectron Spectroscopic Study of Tautomerism in Intramolecular Hyd
15페이지 | 800원 | 2016.02.04
[글로벌경제이슈]Price Elasticity and Income Elasticity of Electricity’s Quantity Demanded
of Demand is given by: e = (%Percentage Change in Quantity Demanded)/ (%Percentage Change in Income) With Income elasticity of quantity demanded we can see how sensitive the quantity demanded for electricity is to an income change. The statistic below suggests, As South Koreans income increases, consumers spend a more great deal of money to the electricity use. 4. Conclusion and further inves
7페이지 | 2,000원 | 2011.06.20