Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Nakanishi A"'
Autor:
Hideki Sakai, Jonathan P. Hill, Masaaki Akamatsu, Atsuki Matsuda, Hirokazu Komatsu, Taizo Mori, Waka Nakanishi, Katsuhiko Ariga
Publikováno v:
Bulletin of the Chemical Society of Japan. 90:678-683
Cesium, in particular radioactive Cs 137 is currently a significant environmental problem in Japan following the incident at the Fukushima-Daiichi nuclear power plant caused by the Great East Japan earthquake. Although radioscopes and gamma ray camer
Publikováno v:
Bulletin of the Chemical Society of Japan. 63:746-748
The formation of magnetite in aqueous solutions containing Fe3+ and Fe2+ ions in 2:1–1:2 ratio and poly(vinyl alcohol) at room temperature has been studied by magnetic susceptibility and optical absorption measurements. It has been found that the y
Publikováno v:
Bulletin of the Chemical Society of Japan. 51:1639-1643
The diffusion coefficients of argon in water-rich regions of aqueous solutions of ethanol and of 1,4-dioxane and those of methane in aqueous solutions of ethanol have been measured by using a diaphragm cell apparatus, designed after Hildebrand et al.
Publikováno v:
Bulletin of the Chemical Society of Japan. 55:2827-2830
Monte Carlo calculations have been carried out for pure water and aqueous solution of Lennard-Jones particle at infinite dilution between 273.15 K and 353.15 K in order to examine temperature effect on the hydrophobic hydration. It is found that inte
Publikováno v:
Bulletin of the Chemical Society of Japan. 52:967-973
Activity coefficients for the ternary system biguanide·HCl–sucrose–water were determined by the isopiestic vapor pressure method at 25 °C. Biguanide hydrochloride (Bg·HCl) and sucrose each decreased the activity coefficient of the other solute
Autor:
Koichiro Nakanishi, Michio Kurata
Publikováno v:
Bulletin of the Chemical Society of Japan. 33:152-157
The solution density of polyvinyl alcohol dilute aqueous solution is measured by the use of the method of floating equilibria. This method is proved to be useful for the purpose of precise density and concentration determination of PVA dilute solutio
Publikováno v:
Bulletin of the Chemical Society of Japan. 40:2068-2072
Three copolymers of riboinosinic acid and riboguanylic acid (poly IG), with guanylic acid contents of 21.6%, 33%, and 45%, have been prepared, as well as three homopolymers of ribocytidylic acid (poly C), riboinosinic acid (poly I), and riboguanylic
Autor:
Koichiro Nakanishi
Publikováno v:
Bulletin of the Chemical Society of Japan. 33:793-797
Partial molal volumes of four isomers of butyl alcohol and ethylene glycol in water are evaluated from the density measurement. They are compared with those of other monohydric alcohols and all the available data which have a common characteristic in
Publikováno v:
Bulletin of the Chemical Society of Japan. 34:53-57
In aqueous solutions uracil exists predominantly in the diketo form, whereas in alkaline solutions it exists as an approximately 1:1 mixture of two deprotonated forms. The two deprotonated anions show ultraviolet absorptions similar to the anions of
Publikováno v:
Bulletin of the Chemical Society of Japan. 51:1988-1990
When an 1H2O solution of N-methylacetamide was rapidly mixed with 2H2O, a time-dependent decrease of the ultraviolet absorbance at 227 nm was observed. This was not the case with N,N-dimethylacetamide. Hence, the time-dependent decrease in absorbance