Buscador de Tesis y publicaciones académicas

Artículo 2027 Acceso abierto

Parallel worlds, alternate histories. Physics and history in selected 'Hitler wins' narratives

Oramus, Dominika

From ancient legends to 20th-century space operas, the exploration of other worlds allows literary characters to not only experience marvellous adventures but also learn something about themselves and the society they lived in before setting on the journey. Science fiction, a type of literature which speculates about,...

languages and literature The New Physics humanities and the arts Hugh Everett III

• Aura
• DOI: 10.5281/zenodo.20816880

Leer el documento

Tesis de maestría 2027 Acceso abierto

Estudo empírico exploratório sobre a relação entre a literacia financeira e a ansiedade matemática, estatística e financeira

Carvalho, Mariana Silva

O objetivo principal desta dissertação é o estudo, de forma exploratória, da relação entre a literacia financeira, a ansiedade matemática e estatística e a ansiedade financeira. Desta forma, perceber se estas estão relacionadas entre si e quais possíveis fatores influenciam essa relação, respondendo assim à questão de...

Conhecimento financeiro Financial literacy Financial anxiety Mathematical and statistical anxiety

• Portugal
• Portuguese

Leer el documento

Artículo 2027 Acceso abierto Revisado por pares

Elemental Assessment of Lead–Bismuth Sludge from Copper Smelting with Emphasis on Tellurium Recovery

M. Tulaganova · S. Matkarimov · J. Ismailov · Z. Matkarimov · y 1 más

Industrial by-products generated during copper smelting are increasingly regarded as promising secondary sources of strategically important and critical elements. Among such technogenic materials, lead–bismuth sludge formed during wet gas cleaning of sulfur-bearing gases represents a potentially valuable reservoir of s...

materials engineering engineering and technology

• Institute of Metallurgy and Ore Benefication...
• DOI: 10.31643/2028/6445.15

Leer el documento

Artículo 2027 Acceso abierto Revisado por pares

Sulfate-Resistant Portland Cement Clinker Based on the Raw Material Base of Karakalpakstan: Technology, Economics and Ecology

G.B. Begzhanova · D.D. Mukhitdinov · A.Sh. Ruzmetova · T. Shengwen · y 2 más

This study is devoted to the production of sulfate-resistant Portland cement clinker based on local raw materials found in the Aral Sea region of the Republic of Uzbekistan and the study of its properties. The results obtained highlight technological, economic, and environmental advantages. The raw material mixtures co...

materials engineering engineering and technology

• Institute of Metallurgy and Ore Benefication...
• DOI: 10.31643/2028/6445.23

Leer el documento

Artículo 2027 Acceso abierto Revisado por pares

Deep Copper Recovery from Autogenous Smelting Slags under Strongly Reducing Conditions

D.Kh. Altybayeva · B.K. Kenzhaliyev · S.A. Kvyatkovskiy · M.A. Dyussebekova · y 3 más

Deep reduction of copper smelting slags is a promising route to recover entrained non-ferrous metals and to generate slags suitable for further processing. This work investigates the depletion of fayalite–magnetite slags formed during autogenous smelting of copper concentrates in conditions simulating the oxidation and...

materials engineering engineering and technology

• Institute of Metallurgy and Ore Benefication...
• DOI: 10.31643/2028/6445.13

Leer el documento

Artículo 2027 Acceso abierto Revisado por pares

Influence of gas flow parameters on the velocity of bulk materials

S.S. Аkhmetova · G.K. Kabiyeva · A.B. Rakhatova

This article examines the flow patterns and kinetics of granular media interacting with ascending and descending gas flows. Bulk material release control is a critical aspect of shaft furnace and hopper operation Experimental studies were conducted on a flat transparent model and a close-up "hot" model using high-speed...

engineering and technology chemical engineering

• Institute of Metallurgy and Ore Benefication...
• DOI: 10.31643/2028/6445.14

Leer el documento

Artículo 2027 Acceso abierto Revisado por pares

Optimal evaporation regime of alkaline solution obtained from cotton stalk ash and chemical analysis of precipitation process

M.A. Boltayev · G.M. Otajonova · B.B. Khakimova · M.O. Khamidova · y 2 más

This article describes a comprehensive analysis of the optimal evaporation method for an alkaline solution that is prepared using the aqueous extract of cotton stalk ash, along with the investigation of the chemical composition of the precipitation that appears during evaporation of the solution. Cotton stalk ash is re...

• Institute of Metallurgy and Ore Benefication...
• DOI: 10.31643/2028/6445.21

Leer el documento

Artículo 2027 Acceso abierto Revisado por pares

Synergistic Effect of Dual Ionic Liquid PVDF‑HFP Polymer Inclusion Membranes: Linking Mechanical, Chemical, Microstructural and Gold Recovery Performance

C.K. Lim · N.F. Shoparwe · K.C. Lim · A.L. Ahmad

Poly (vinylidene fluoride‑co‑hexafluoropropylene) (PVDF‑HFP) polymer inclusion membranes (PIMs) are widely used across separation industries because of their ability to selectively separate ions or molecules, their chemical stability, and their mechanical flexibility. Still, improving how the membrane performs without...

natural sciences chemical sciences

• Institute of Metallurgy and Ore Benefication...
• DOI: 10.31643/2028/6445.22

Leer el documento

Artículo 2027 Acceso abierto Revisado por pares 1 cita

Placer formation processes in the cenozoic of Northern and Eastern Kazakhstan

I.P. Poezzhaev · D.F. Nigmatov · M.Zh. Imangalieva · O.D. Gavrilenko · y 3 más

The article is devoted to the generalization of data on the entire geological and genetic range of placers in Eastern and Northern Kazakhstan: from the weathering of the kaolin profile at the root sources of ore minerals Au, Ni, Co, RM, Ti, Zr, Nb, TR, through polyfacial and alluvial placers of the near demolition of t...

natural sciences earth and related environmental sciences

• Institute of Metallurgy and Ore Benefication...
• DOI: 10.31643/2028/6445.16

Leer el documento

Artículo 2027 Acceso abierto Revisado por pares

Technological, economic and environmental aspects of the production of sulfate-resistant Portland cement clinker based on the mineral resources of Karakalpakstan

A.Sh. Khadzhiev · L. Wang · F.B. Atabaev · N.D. Makhsudova · y 1 más

This study focuses on the production of sulfate-resistant Portland cement clinker using local raw materials found in the Aral Sea region of the Republic of Uzbekistan and on its properties. The obtained results highlight the technological, economic, and environmental advantages. The raw material mixtures consisted of l...

materials engineering engineering and technology

• Institute of Metallurgy and Ore Benefication...
• DOI: 10.31643/2028/6445.18

Leer el documento