Results 81 to 90 of about 659,868 (301)
Outlier Mining Methods Based on Graph Structure Analysis [PDF]
, 2019 Outlier detection in high-dimensional datasets is a fundamental and challenging problem across disciplines that has also practical implications, as removing outliers from the training set improves the performance of machine learning algorithms.
Almeira, Nahuel +2 more
core +3 more sources
Advanced Materials, EarlyView.Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu +3 more
wiley +1 more source
Less Is More: A Comprehensive Framework for the Number of Components of Ensemble Classifiers
, 2018 The number of component classifiers chosen for an ensemble greatly impacts the prediction ability. In this paper, we use a geometric framework for a priori determining the ensemble size, which is applicable to most of existing batch and online ensemble ...
Bonab, Hamed, Can, Fazli
core +2 more sources
Advanced Materials, EarlyView.Magnetic tunnel junctions (MTJs) using MgO tunnel barriers face challenges of high resistance‐area product and low tunnel magnetoresistance (TMR). To discover alternative materials, Literature Enhanced Ab initio Discovery (LEAD) is developed. The LEAD‐predicted materials are theoretically evaluated, showing that MTJs with dusting of ScN or TiN on ...
Sabiq Islam +6 more
wiley +1 more source
Towards a green mining future: A dynamic evolutionary game model for collaborative waste recycling. [PDF]
Heliyon, 2023 Zhou C, Xin Y, Han Y.
europepmc +1 more source
Green solvents in urban mining
Current Opinion in Green and Sustainable Chemistry, 2019 General considerations about urban mining and green solvents are first briefly discussed. Then, the use of green solvents in the recycling processes of technological objects present in urban mines is reviewed, focusing on metal recovery.
openaire +3 more sources
[Urban mining Limburg – Green for Waste] [PDF]
Commissioned by the Natuur- en Milieufederatie Limburg (NMFL) (Nature and Environment Federation Limburg) we investigated the remediation of landfills in the silver-green areas of the Nationaal Natuurnetwerk (NNN) (National Nature Network) into ...
Kocken, Werner +3 more
core
Minerals in Afghanistan : gemstones of Afghanistan [PDF]
, 2007 Afghanistan and gemstones have been inextricably linked for 6500 years and the country remains rich in precious and semiprecious gemstone deposits (Figure 1). Lapis lazuli, mined in the Hindu Kush since the Neolithic Period, was transported along the
Benham, Antony John, McIntosh, Robert
core
Advanced Materials Interfaces, EarlyView.ABSTRACT This research focused on characterizing graphitic carbon nitride (g‐C3N4) nanocomposites incorporated with ZnO and Ag2O nanoparticles, and carrageenan to remove heavy metals. The ZnO/Ag2O@ g‐C3N4 and ZnO/Ag2O/g‐C3N4@Carr nanocomposites demonstrated thermal stability of 97.40% (108.81°C) and 82.80% (188.99°C) for TGA.
Feziwe B. Mamba +2 more
wiley +1 more source
Scientific ReportsThe weak anchoring force and poor stability of the anchoring system in fractured surrounding rock roadway often lead to anchor rod slip failure, which seriously affects the safe and efficient mining of the mine.
Shuai Wang +5 more
doaj +1 more source