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14 Results Found

  • Article
  • Open Access
713 Views
16 Pages

4 June 2026

Identifying beryl within muscovite host rocks is a challenging task for traditional X-ray transmission (XRT) separation due to the proximity of their effective atomic numbers (Zeff) and densities. In this paper, an improved dual-energy X-ray transmis...

(This article belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
  • Article
  • Open Access
24 Citations
5,222 Views
10 Pages

4 May 2021

In hard rock mining, sensor-based sorting can be applied as a pre-concentration method before the material enters the mill. X-ray transmission sensors have been explored in mining since 1972. Sorting ore of acceptable grade and waste material before...

(This article belongs to the Special Issue Advanced Techniques and Efficiency Assessment of Mechanical Processing)
  • Article
  • Open Access
1 Citations
1,811 Views
13 Pages

1 January 2026

This study evaluates sensor-based pre-concentration using XRT technology as an alternative to selective mining for low-grade European copper ores (0.48% Cu), addressing the need for sustainable beneficiation amid declining ore grades and environmenta...

(This article belongs to the Collection 3D Imaging and Sensing System)
  • Article
  • Open Access
1 Citations
1,205 Views
14 Pages

23 December 2025

The progressive depletion of high-grade ore bodies has shifted attention toward the exploitation of lower-grade deposits as viable sources of value. In recent years, there has been growing emphasis on mining and processing methods that incorporate su...

(This article belongs to the Section Mineral Processing and Extractive Metallurgy)
  • Article
  • Open Access
19 Citations
4,963 Views
20 Pages

Potential of Dual and Multi Energy XRT and CT Analyses on Iron Formations

  • Christine Bauer,
  • Rebecca Wagner,
  • Beate Orberger,
  • Markus Firsching,
  • Alexander Ennen,
  • Carlos Garcia Pina,
  • Christiane Wagner,
  • Maryam Honarmand,
  • Ghasem Nabatian and
  • Iman Monsef

2 April 2021

Dual and multi energy X-ray transmission imaging (DE-/ME-XRT) are powerful tools to acquire quantitative material characteristics of diverse samples without destruction. As those X-ray imaging techniques are based on the projection onto the imaging p...

(This article belongs to the Section Sensing and Imaging)
  • Proceeding Paper
  • Open Access
1 Citations
2,999 Views
10 Pages

Dual and Multi Energy XRT and CT Analyses Applied to Copper-Molybdenum Mineralizations in Porphyry Deposits

  • Christine Bauer,
  • Rebecca Wagner,
  • Beate Orberger,
  • Markus Firsching,
  • Christiane Wagner,
  • Omar Boudouma and
  • Kamal Siahcheshm

X-ray transmission (XRT) and computed tomography (CT) was used on five samples from the Niaz porphyry Cu–Mo deposit in Iran, representing different alteration zones. Analysis of three-dimensional CT data revealed structural information and grou...

(This article belongs to the Proceedings of International Conference on Raw Materials and Circular Economy)
  • Abstract
  • Open Access
1 Citations
1,336 Views
1 Page

Detection of Foreign Items in Laundry Industry—A Dual Energy XRT Approach

  • Christine Bauer,
  • Rebecca Wagner and
  • Johannes Leisner

Even outside of the instance of a global pandemic, the proper cleaning of professional work wear is crucial—thus, laundry technology becomes more and more efficient and automated. A bottleneck in the professional laundry process of working garm...

(This article belongs to the Proceedings of The 9th International Symposium on Sensor Science)
  • Review
  • Open Access
3 Citations
7,584 Views
33 Pages

The quest for high-performance lithium-ion batteries (LIBs) is at the forefront of energy storage research, necessitating a profound understanding of intricate processes like phase transformations and thermal runaway events. This review paper explore...

  • Article
  • Open Access
158 Views
16 Pages

Intelligent Ore Sorting Method Based on Multi-Feature Fusion of Dual-Energy X-Ray Responses

  • Chen Wei,
  • Yuxin Liao,
  • Hao Yan,
  • Jian Yao,
  • Jie Xu,
  • Yihan Luo and
  • Zhiqiang Geng

8 October 2026

The conventional attenuation-ratio feature R remains affected by particle thickness, material heterogeneity, and beam hardening in practical dual-energy X-ray transmission (DE-XRT) measurements. This study proposes an ore-sorting method based on mult...

(This article belongs to the Special Issue Artificial Intelligence and Data-Driven Technologies for Sustainable Mining and Environmental Management)
  • Article
  • Open Access
3,651 Views
23 Pages

Studies and Considerations on Forty-Three Gold and Silver Nose Ornaments from the Moche Tomb of the Lady of Cao

  • Giovanni E. Gigante,
  • Roberto Cesareo,
  • Angel Bustamante,
  • Arabel Fernandez,
  • Régulo Franco,
  • Soraia Azeredo and
  • Ricardo T. Lopes

7 September 2023

The authors studied forty-three beautiful nose ornaments from the Moche tomb of the Lady of Cao, located in the north of Peru, which has been dated to be around 300–400 d.C. Of these items, thirty-nine are composed of a sheet of gold alloy join...

(This article belongs to the Section Materials and Heritage)
  • Article
  • Open Access
2 Citations
3,324 Views
11 Pages

27 October 2022

Firefighters, paramedics, nursing staff, and other occupational groups are in constant need of fast and proper cleaning of their professional workwear, not only during a pandemic. Thus, laundry technology needs to become more efficient and automated....

(This article belongs to the Special Issue I3S 2022 Selected Papers)
  • Article
  • Open Access
6 Citations
3,910 Views
12 Pages

2 July 2022

With their wide application in industrial fields, the denoising and/or filtering of line-scan images is becoming more important, which also affects the quality of their subsequent recognition or classification. Based on the application of single sour...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
11 Citations
4,854 Views
30 Pages

11 May 2021

As an important part of pretreatment before recycling, sorting has a great impact on the quality, efficiency, cost and difficulty of recycling. In this paper, dual-energy X-ray transmission (DE-XRT) combined with variable gas-ejection is used to impr...

(This article belongs to the Section Environmental Sciences)
  • Article
  • Open Access
255 Views
15 Pages

Improving Pre-Concentration Stream Fidelity in Dual-Energy XRT Ore Sorting with Process-Aware Sorting Knowledge

  • Jie Xu,
  • Yuxin Liao,
  • Hao Yan,
  • Jian Yao,
  • Chen Wei,
  • Jun Li,
  • Yihan Luo and
  • Zhiqiang Geng

28 September 2026

Sensor-based ore sorting can discard barren rock before grinding, but dual-energy X-ray transmission (DE-XRT) grade models are often judged by block-wise error that poorly reflects concentrate and tailings mass balance at the plant cut-off. Process-a...

(This article belongs to the Topic Big Data and AI for Geoscience)