Results 21 to 30 of about 3,756,365 (304)

Research into the process of storage and recycling technogenic phosphogypsum placers

open access: yes, 2020
This work would not have been possible without the support and assistance provided by P.P. Bortnik, Director of PJSC “Rafalovsky Quarry” in performing experiments.
V. Moshynskyi   +5 more
semanticscholar   +1 more source

Development of a method for forecasting the potential of placers by formalizing the factors of placer formation based on loparite placers of the Lovozero massif

open access: yesArctic, 2020
Within the Northern periphery of the Lovozero massif (Kola Peninsula), the authors have identified the main formation factors of proximal (near drift) rare-metal loparite placers.
A. Lalomov, R. Chefranov
semanticscholar   +1 more source

From placer deposits to technogenic mineral formations: resource and historical perspective (a study of Amur region) [PDF]

open access: yesE3S Web of Conferences, 2020
Attention to mined gold placers as sources of mineral reserve base replenishment is constantly increasing. We conducted an analysis of the field mining ratio regarding the 170-year period of gold mining history in the region, which is roughly divided ...
Mirzekhanov Gadzhi, Mirzekhanova Zoia
doaj   +1 more source

Transition of plant resins from the biosphere to the lithosphere

open access: yesGeo&Bio, 2020
In the article the authors consider in detail the process of transition of plant resins from the biosphere to the lithosphere, characterize the conditions and paleogeographic situation of such transition, the formation of deposits of resin minerals and ...
Viktor M. Matsui, Uliana Z. Naumenko
doaj   +1 more source

Volcanic-Derived Placers as a Potential Resource of Rare Earth Elements: The Aksu Diamas Case Study, Turkey

open access: yesMinerals, 2019
Rare earth elements (REE) are essential raw materials used in modern technology. Current production of REE is dominated by hard-rock mining, particularly in China, which typically requires high energy input.
E. Deady   +4 more
semanticscholar   +1 more source

Method for Revealing Placer Gold Source

open access: yesГорные науки и технологии, 2019
Material characteristics of placer gold and geological and geomorphological features of placercontaining watercourses allow revealing the type of source that formed the placer.
O. V. Vladimirtseva
doaj   +1 more source

Guidelines for Pediatric Radiotherapy Simulation: A Report From the Children's Oncology Group Radiation Oncology Discipline

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric radiation therapy presents unique challenges compared to adult treatments, including those of immobilization, potential need for sedation, and the critical importance of accurate, reproducible positioning. Additionally, heightened attention to imaging doses is necessary to minimize long‐term toxicity in survivors.
Parham Alaei   +17 more
wiley   +1 more source

Geochemical features of native gold from the Shamanikha-Stolbovaya ore region, Magadan Oblast

open access: yesРуды и металлы
The paper presents data on native gold from the Shamanikha-Stolbovaya ore region of the Prikolymskoe uplift in the Northeastern Russia. Gold mineralization developed in the region, taking into account its geochemical characteristics and data on the ...
Litvinenko I. S.
doaj   +1 more source

Health Literacy, Self‐Efficacy and Knowledge of Sickle Cell Disease Among Caregivers

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Sickle cell disease (SCD) is a hereditary blood disorder in which abnormal haemoglobin leads to severe anaemia, painful crises and organ failure. Caregivers’ health literacy (HL) – their ability to assess, understand and apply information, and interact with healthcare professionals – is crucial for managing children with SCD, yet ...
Melanie Bruinooge   +6 more
wiley   +1 more source

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