?????????????? ? ??????? ??????? MgO-Al2O3-SiO2 ? ????????? Y2O3, TiO2, ZrO2 ? ??????????????? ???????? ????????????????????? ??????????
???????????? ??????? ??????????? ? ??????????????? ??????? ??????????, ?????????? ?? ?????? ?????? ? ????????. ????????, ??????? ? ?????? ????????? ????????????????????? ?????????? ??????????????????????? ??????? ? ????????????. ???????? ??????? ???????.
Подобные документы
??????????? ???????????? ??????????? ? ?????????????? ???????? ????????????? ?????? ????????. ?????????, ?? ?? ?????? ???????????? ???????? ??? ???????????? ????????? ????? ?????????? ?????? ????????? Al2O3 ? ????????? ??? 7–20 ?? ? ????????? 400 ?2/?.
??????, добавлен 16.03.2014Study crystallographic sequence of the phase transition in zirconium dioxide at heated. The transformation of monoclinic phase in tetragonal modification. The appearance of new anion vacancies, which form at evaporation of the oxygen from the lattice.
??????, добавлен 30.07.2016???????? ??????? ?????????? ???????????? ?? ?????????? ???????? ???????? ZnO. ????? ????????????????? ??????? ? ?????????????? ????????? ???????? (Si (100) ? a-Al2O3) ? ??????????? ???? ? ???? ??????????? ?????? (1 – 4 nm)? ???????? ???????????? ?????.
???????, добавлен 29.05.2017???????? ????????? ??????????? ????????? SiO2, ???????, ???????????? ???????? ? ????????. ?????????? ?????????????? ???????? ? ??????????? ??? ??????? ??????????. ???????????? ????????????? ????????. ?????? ???????????? ???????? ??????????? ?????????.
????? ?? ????????, добавлен 19.03.2011- 55. ????????????????? ????????? ?????? ? ???????????? ?? ?????? ????????? ? ??????? ??????????? ????
???????? ??????????? ?????????????????? ??????? ???????? ??????. ?????? ??????? ??????? ??????????? ?? ??????? ??????? ???????? ?????? ? ??????????? (???????? +H2O+NH4F). ??????????? ????????????? ?????? ? ???????????. ?????????????? ??????????? TiO2.
??????, добавлен 30.05.2017 Research and characteristics of the methanation of carbon dioxide under atmospheric pressure over a catalyst containing 5% of metals prepared by the impregnation method. Measured of the specific surface area by low-temperature adsorption of argon.
??????, добавлен 29.09.2016- 57. ?????????????????? ?????????? ??????????????? ???????? SrTiO3 /?iO2 ? ???????? ?????????? ??????????
????????? ???????????? ??????????????? ???????? SrTiO3 /TiO2. ?????????? ???????? ??????????? ? ???????? ?????? ??? ? ??????????? ???? ???????? ???????? ? ????????. ??????? ?? ?????????????????? ?????????? ? ???????? ?????????? ???????????? ??????????.
??????, добавлен 14.01.2017 - 58. Kinetics of liquid-phase hydrogenation of n-valeraldehyde to n-amyl alcohol over a Ru/Al2O3 catalyst
Schematic diagram of the experimental setup for hydrogenation. Effect of catalyst loading on initial rates of reaction. The use of gas chromatography for the analysis of the reaction. Langmuir–Hinshelwood-type models for single, dualsite mechanisms.
??????, добавлен 20.10.2014 - 59. ????????????????? ???????? ???????????? ????????: ???????????? ? ?????????? ????????? Al2O3 – Al4C3
??????? ????????????????? ?????????????? ?????? ????????. ????????????????? ???????? ???????????? ????????. ??????????? ???????? ????????? ??????????? ? ??????????? ?????????? ??????????????? ????????. ??????????? ??????? ????????????????? ?????.
??????, добавлен 02.11.2018 ?????????? ??????????????? ??????? ????????? ????????? ???????Fe–Si–O ??? ????????? ???????????. ???????? ? ??????????? ???????? ?????? Fe2SiO4, ??? ??????????????? ? ??????? ? ??????????????. ???????? ??????? ?????????? ??????? ? ??????? Fe–Fe2O3–SiO2.
??????, добавлен 05.12.2018????? ???????? ?????? ???????? ??????? ?? ????????????? ? ??????? ???–SiO2–?2? ??? ??? ??????????????? ???????, ?????????? ?? ?????????????. ????????????? ??? ?? ???????? ?????? ????- ?? ???????????? ???????? ?? ??????? ????????? ?????????????? ???????.
??????, добавлен 23.09.2016???????? ????????? ???????????????? ????????? ??????????? ??? ????????? ??????????? ?????? (Fe3O4/ SiO2/ ?????????????????????????????? / ?????????????). ??????????????? ????????????? ????? ???????? ???????. ???????? ??????????? ????????? ???????????.
??????, добавлен 19.03.2014- 63. ?????????? ?? ????????? ????????? ?????????? ?? ?????? ???????? ???????? ? ?????????? ??????????
???????? ?????????? ?????? ????? ?????????? ? ???????? ???????? ?????????? ??????????, ? ????? ????????, ?? ??? ????? ????????????. ??????????? ???? ???????????? ???????? ???????? ??? ????????? ???? ? ????????. ???????? ??????? ?????? ZrO2-????????.
???????????, добавлен 29.07.2014 ?????? ??????? ????: ?????????? ?????????, ??????? ????????, ?????????? ??????? ??????, ???????? ? ??????. ?????????? ?????? ?????? ?????????????? ? ?????????????? ???????. ???????? ?????????? ??????? ????????. ?????????? ??????? ? ?????? ??????.
???????? ??????, добавлен 04.06.2015?????????? ??????????? ???????? ????????? ?????? ?? ?????? SiO2 ?? ??????????????? ???????????????? ?????????????? ?????????? ????? NH-????????. ????? ????????????? ????????? ?? ???????????? ????????? ??????, ????????????? ??????????? ??????????.
??????, добавлен 29.09.2016??????????? ?????????? ?? ?????????? ??????????? ????????? ?? ?????????? ???????? ????????????? Cu—Co—Fe ??????? ????????? ??. ???????????????? ??????????? ?????? ?? ?????????? ???????? ????????????? ????????? ??????????????????? ?????-3-????? ??2.
??????, добавлен 26.03.2014???????????? ???????????? ???????????? ??????? ????????????? ? ???????????? ??????????? ???????? ??????????? ? ???????? ???????? ????????????. ???????? ????????? ??????? ?????????????, ???????? ? ?????????? ? ??????????? ?????????? ?????????????.
???????????, добавлен 10.08.2018?'???????? ???????????? ????????? ??????????. ?????? ?????? ?????? ?????????? ?????? ?? ???????? ???????? ?????? ?? ?????????? ?????????????? SiO2. ????????? ?????? ??????????? ???????? ??????????? ???????? ??????? ?? ???? ??????????? ??????????????.
???????????, добавлен 07.03.2014SiO2 materials containing different magnetic fillers are obtained by the sol-gel method. It is studied the weakening of electromagnetic radiation in the frequency range 8–11.5 GHz by the materials obtained with the use of panoramic attenuation measurers.
??????, добавлен 02.04.2014???????? ????????? ?????????? ?????????? ? ???????????????? ?????? ?????????? ?? ?????? ??????????? ???????? ???????, ? ????? ??????????? ????, ??????????? ???????????? ???????????. ???????? ??????-???????????? ????????? ????????????????? ??????????.
??????, добавлен 30.01.2016?????? ??????? ???????? ??????????????? ?????????? ????????? ?? ?????????????? ??????????? ?????? ????????? ????? SiO2 ? ?????????? ?? ? ?????????????. ????? ??????????????? ???????????? ?????????? ????-???? ???????? ? ????????? ???????????????.
??????, добавлен 03.05.2019Physical parameter models. Thermodynamic parameter models. Brief review of the relationship between the solution model and phase equilibria. The modified quasi chemical (MQC) model. Basic quasi chemical theory. The modified binary quasi-chemical theory.
??????, добавлен 10.04.2017Systematic studies on the preparation of sodium silicate solutions of different compositions via the hydrothermal microwave treatment of perlite with an NaOH solution. The effect of various factors on the degree of SiO2 recovery and the reaction rate.
??????, добавлен 07.01.2017?????? ??????? ??????????? ?? ??????? ???????? ?????????? ????????? ?? ????????? ????????????????????????? ??????????. ??????????? ?????????? ?????????? ??????????? ????????? ?? ?????? ??????????????? ?? ???????? SiO2 ????????? ?? ??????????? ???????.
???????????, добавлен 28.07.2014