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9 Results Found

  • Article
  • Open Access
12 Citations
2,915 Views
12 Pages

9 April 2020

It is well known that the performance of thermoelectric measured by figure of merit ZT linearly depends on electrical conductivity, while it is quadratic related to the Seebeck coefficient, and the improvement of Seebeck coefficient may reduce electr...

  • Article
  • Open Access
19 Citations
4,771 Views
34 Pages

7 September 2020

SHRIMP (Sensitive high resolution ion microprobe) zircon U-Pb dating of the two main igneous rocks types in the Karkonosze Pluton, porphyritic and equigranular monzogranite, yield 206Pb/238U ages between 312.0 ± 2.9 and 306.9 ± 3.0 Ma....

  • Article
  • Open Access
8 Citations
2,861 Views
11 Pages

Nitrogen Reduction Reaction Catalyzed by Diatomic Metals Supported by N-Doped Graphite

  • Jinrong Huo,
  • Haocong Wei,
  • Kai Zhang,
  • Chenxu Zhao and
  • Chaozheng He

26 December 2022

In this article, for the transition metal-nitrogen ligand Mn-M@N6-C (M = Ag, Bi, Cd, Co, Cr, Cu, Fe, Hf, Ir, Mo, Nb, Ni, Os, Pd, Pt, Re, Rh, Ru, Sc, Ta, Tc, V, Y, Zn, Zr, Ti, W), by comparing the amount of change in the length of the N-N triple-bond,...

  • Article
  • Open Access
1,163 Views
22 Pages

24 January 2025

Molybdenite Re–Os and zircon U–Pb isotopic data are first obtained from the stockwork and disseminated-style gold-bearing ores and the fine-grained granite hosting these ores in the Xiawolong gold mine, respectively, which is located with...

  • Article
  • Open Access
12 Citations
9,171 Views
10 Pages

27 August 2015

A selective separation and recycling system for metal ions was developed by homogeneous liquid-liquid extraction (HoLLE) using a fluorosurfactant. Sixty-two different elemental ions (e.g., Ag, Al, As, Au, B, Ba, Be, Bi, Ca, Cd, Ce, Co, Cr, Cu, Dy, Er...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,332 Views
21 Pages

Pd-Ag-Au Minerals in Clinopyroxenites of the Kachkanar Ural–Alaskan-Type Complex (Middle Urals, Russia)

  • Sergey Yu. Stepanov,
  • Ivan F. Chayka,
  • Roman S. Palamarchuk and
  • Andrey V. Korneev

8 December 2023

The study of noble metal minerals of the Ural–Alaskan-type (UA-type) complexes has been traditionally focused on their platinum-bearing dunites and chromitites, while clinopyroxenites have been poorly considered. In this study, we report the fi...

  • Review
  • Open Access
16 Citations
7,832 Views
21 Pages

Platinum Group Elements (PGE) Geochemistry and Mineralogy of Low Economic Potential (Rh-Pt-Pd)-Rich Chromitites from Ophiolite Complexes

  • Federica Zaccarini,
  • Maria Economou-Eliopoulos,
  • Olga Kiseleva,
  • Giorgio Garuti,
  • Basilios Tsikouras,
  • Evgenii Pushkarev and
  • Arifudin Idrus

5 December 2022

This contribution provides an overview of platinum group elements (PGE) distribution and mineralogy in ophiolitic chromitites, which are unusually enriched in the low melting-point Rh, Pt and Pd (PPGE) compared with most chromite deposits associated...

  • Review
  • Open Access
325 Views
30 Pages

Overview of Platinum Group Minerals (PGM): A Statistical Perspective and Their Genetic Significance

  • Federica Zaccarini,
  • Giorgio Garuti,
  • Maria Economou-Eliopoulos,
  • John F. W. Bowles,
  • Hannah S. R. Hughes,
  • Jens C. Andersen and
  • Saioa Suárez

21 January 2026

The six platinum group elements (PGE) are among the rarest elements in the upper continental crust of the earth. Higher values of PGE have been detected in the upper mantle and in chondrite meteorites. The PGE are siderophile and chalcophile elements...

  • Feature Paper
  • Article
  • Open Access
12 Citations
5,024 Views
27 Pages

28 April 2023

With the global movement toward the consumption of a more sustainable diet that includes a higher proportion of plant-based foods, it is important to determine how such a change could alter the intake of cadmium and other elements, both essential and...