Zobrazeno 1 - 10
of 155
pro vyhledávání: '"РЕДКОЗЕМЕЛЬНЫЕ МЕТАЛЛЫ"'
Autor:
Николай Анатольевич Лапатин, Рене Алехандро Кастро Арата, Елена Анатольевна Карулина, Тихон Вадимович Резцов
Publikováno v:
Physics of Complex Systems, Vol 4, Iss 1 (2023)
Методом диэлектрической спектроскопии в широком интервале частот (f = 100 Гц…105 Гц) и температур (T = 273 K…403 K). была исследована перфтосульфо
Externí odkaz:
https://doaj.org/article/1fc6b81c2009497da09c18ad506432c5
Publikováno v:
Безопасность техногенных и природных систем, Vol 0, Iss 4, Pp 56-67 (2020)
Introduction. Expanding the scope of application of rare-earth metal compounds that are unique in their properties increases the interest of many researchers in studying the impact of rare-earth metals and their compounds on human health and the envi
Externí odkaz:
https://doaj.org/article/1dc370d034e24c94a49e0c300766c429
Publikováno v:
RUDN Journal of Engineering Research, Vol 19, Iss 1, Pp 92-101 (2018)
Research on kinetics of change of phosphorus, niobium, vanadium and titanium content during high-temperature roasting of ore from Tomtor field mixed with active additives: bicarbonate (NaHCO3), sodium carbonate (Na2CO3), alkalis (КОН, NaOH) is con
Externí odkaz:
https://doaj.org/article/14c75a52dcd94d50a1facad4dd73ffc6
Publikováno v:
RUDN Journal of Engineering Research, Vol 19, Iss 2, Pp 246-253 (2018)
A study of the particle size distribution, mineral and chemical composition of the complex scandium-rare-earth-niobium Tomtor ore deposit has been conducted. It is shown that the basis of the ore is comprised of phosphates, carbonates and niobates. T
Externí odkaz:
https://doaj.org/article/3c2e7f3e956a49b69e5daf0b22a22866
Publikováno v:
Transactions of the Karelian Research Centre of the Russian Academy of Sciences, Vol 0, Iss 11, Pp 30-42 (2017)
Many garnet ore deposits and occurrences, in which at least 49.2 M t of pyralspitic garnet are concentrated, are located in Karelia in a favourable geographic, mining and economic environment. The study of the microcomponent composition of garnet sho
Externí odkaz:
https://doaj.org/article/6fa06ee3763d47e1b3bf30475993bb1e
Autor:
Александр Геннадьевич Никифоров, Андрей Михайлович Ручьев, Aleхandеr Nikiforov, Andrey Ruchyov
Publikováno v:
Transactions of the Karelian Research Centre of the Russian Academy of Sciences, Vol 0, Iss 10 (2019)
A metamorphogenetic-metasomatic garnet ore occurrence, known as Vysota-181, is located in the Louhi District, Russian Karelia, which is part of the Arctic zone of the RussianFederation. The study of the ore occurrence has revealed many productive roc
Externí odkaz:
https://doaj.org/article/8ff21cc735d7487293df76e935606f75
Autor:
Yu. A. Bobylov, O. S. Bryukhovetskiy
Publikováno v:
Известия высших учебных заведений: Геология и разведка, Vol 0, Iss 5, Pp 60-67 (2016)
A new system analysis methodology for the organization of the effective Russian business for rare and rare earth metals is described, called a sectoral innovative system. An initial base for the model includes different metals and their deposits. The
Externí odkaz:
https://doaj.org/article/681a87a01bcb444e81cd649f3510748d
Publikováno v:
Chimica Techno Acta, Vol 3, Iss 2, Pp 97-120 (2016)
The separation of trivalent rare earth metals is perhaps the most serious challenge associated with a closed fuel cycle. The choice of ligand as extractant, which must be selective and efficient in conditions of high radiation environment, plays an i
Externí odkaz:
https://doaj.org/article/63c40f272d5041d5a54e055aa0502a7b
В статье дана оценка роли ВРЭП в усилении торгового оборота между странами АТР. Определены особенности ВРЭП по сравнению с другими мега
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee1d1c45a230517fbcd178df8c6a5b15
Autor:
Tatyana E. Litvinova, Ivan L. Oleynik
Publikováno v:
Zapiski Gornogo Instituta, Vol 251, Pp 712-722 (2021)
При переработке апатитового сырья образуются крупнотоннажные отходы – фосфогипс. Содержание редкоземельных металлов в таких отходах
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::48f4cacd075f9fd2d6b63796d16bf96c
https://pmi.spmi.ru/index.php/pmi/article/view/15055
https://pmi.spmi.ru/index.php/pmi/article/view/15055