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Spectroscopic manifestations of interionic vibrations in solutions of salts of sulfonic acids
Springer Science and Business Media LLC - Tập 7 - Trang 65-69 - 1973
K. K. Kalnin'sh, I. A. Brodskii, B. G. Belen'kii
Diffuse-reflection spectrum from the surface of SiO2 containing titanium
Springer Science and Business Media LLC - - 1975
В. Н. Пак, С. И. Кольцов, V. B. Aleksovskii
The mechanism of acid-base catalysis
Springer Science and Business Media LLC - Tập 27 - Trang 615-619 - 1991
K. K. Kalninysh
New concepts of the mechanism of acid-base catalysis are developed, incorporating electron transfer in low-lying electronic excited states of the reagent-catalysts complex. In base catalysis, the base-catalyst lowers the ionization potential of one of the reagents, the proton and electron dnor, and thereby lowers the energy of the excited level. Acid catalysis consists in intensifying the electron... hiện toàn bộ
Calculation of proton chemical shifts in some hydrocarbons and isoscreening line diagrams for C-C and C-H bonds
Springer Science and Business Media LLC - Tập 19 - Trang 187-190 - 1983
R. M. Aminova, Yu. Yu. Samitov
Comparison of one-electron energies obtained by the CNDO/2 and ab initio methods for triatomic molecules
Springer Science and Business Media LLC - Tập 10 - Trang 175-177 - 1975
B. F. Minaev, Yu. V. Mitrenin
Martin Izrailevich Kabachnik (on his seventieth birthday)
Springer Science and Business Media LLC - Tập 14 - Trang 444-445 - 1979
Van der Waals Gaps in Sm1+x Ba2−x Cu3O y and Their Effect on Superconductivity
Springer Science and Business Media LLC - Tập 38 Số 3 - Trang 162-167 - 2002
Nishchenko, M. M., Likhtorovich, S. P., Drozd, V. A., Nedil'ko, S. A., Baginskii, I. L.
We have used electron–positron annihilation to study superconducting cuprates Sm1+x Ba2−x Cu3O y . We have determined the average radii for oxygen ions in Sm1+x Ba2−x Cu3O y . Taking into account the ion coordinates and their radii, we have constructed a geometric model for the arrangement of copper and oxygen ions in CuO2 layers in the [b, c] plane, responsible for the superconductivity. From the... hiện toàn bộ
Quantum dynamic calculation for gas-phase nucleophilic substitution (SN2) reactions
Springer Science and Business Media LLC - - 1987
V. M. Ryaboi
According to experimental data, gas-phase SN2 reactions have low efficiency characterized by the ratio k(T)/kc, where kc is the collision rate constant. The energy profile of the reaction pathway is a double-well curve, and the top of the central barrier may be located either above or below the energy level of the reagents. Nonempirical calculations of the potential surfaces for SN2 reactions have... hiện toàn bộ
NMR study of indium diethylenetriaminepentaacetate complexes
Springer Science and Business Media LLC - - 1977
T. A. Babushkina, А. Б. Соколов, Г. Е. Кодина
Structure-activity relationship in the series of abscisic acid analogs
Springer Science and Business Media LLC - - 1984
I. N. Choban, И. Б. Берсукер, L. S. Gitlina, V. E. Golender, А. С. Димогло, D. P. Popa, A. B. Rozenblit, K. I. Kuchkova
Tổng số: 3,722   
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