In conducting an extensive examination, we scrutinize the efficacy of algorithmic trading strategies applied to Futures CopperMainContinuous in the Shanghai Futures Exchange, utilizing a comprehensive data set spanning from January 2020 to December 2022. To mitigate the potential risk of...

The paper examines the leverage effects and the spillover effects in the base metal cash and futures market. The study also attempts to find the trend and the pattern of volatility clustering in the base metal markets of India. Further, the significance of the risk premium and the possible...

The potential of microbial fuel cells (MFCs) based biosensors for water monitoring and early warning is widely recognized. However, the formation of electrochemically active biofilms (EABs) in MFCs typically requires a lengthy time span, and these biosensors are predominantly used in anaerobic...

China's rapid urbanization and industrialization made it the world's largest refined copper producer and consumer. Insufficient copper ore reserves necessitated significant imports. Using material flow and scenario analysis, this study examined historical copper supply and assessed future...

The COVID-19 pandemic has introduced significant uncertainty across various economic sectors, most notably in the industrial sector due to the high volatility in copper futures markets. These markets play a crucial role in the construction, electrical networks, electronic products, and...

There is increased interest in the dynamic relationships between cryptocurrency and commodity futures. This study examines the hedging performance of four well-known commodity futures against fluctuations in Bitcoin prices. Furthermore, this study used the DCC- and ADCC-MGARCH models to estimate...

This paper examines the impact of spillover effects of energy transition metals on the Chilean economy. With the increasing demand for metals like copper and lithium due to the growth in renewable energies and electromobility, metal abundant countries like Chile must ready themselves to remain...

1 Introduction2 Mining, gentlemanly capitalism, and the business of imperialism3 The geographies of mining finance4 The anatomy of mining and the mine exploration business5 The world of copper mines, railways and labour6 The growth of the Central African Copperbelt7 For whom the windfalls? A...

In 1611 the young Gustav Adolf Vasa ascended the throne of Sweden as Gustav II Adolf. Along with the throne, the king inherited a disastrous war with Denmark, which he ended by signing the onerous Peace of Knäred. The terms included the obligation for Sweden to pay a one million rixdaler...

The threat of short-term supply disruptions may matter for commodity prices, although their magnitude is hard to detect, for example, due to anticipation, storage and the relatively short duration of strikes. This article uses a century of labor strikes in Chile copper mines (1910-2010) to...

This senior law thesis examines the place of copper extraction in the Chilean economy and political system and the role that legal regulation played since 1850 up to the late 1960s. Copper has been the principal product of the economy and main source of foreign exchange and government revenue....

The development of integrated porous carbon materials based on transition metal oxides for used as catalysts with high efficiency and robust advantages in heterogeneous electro-Fenton like (EF-like) reaction were supposed to be widely used in effectual removing refractory sewage. Herein, an...

Automotive engines are made from different materials like steel, aluminium, copper, and brass. These materials usually come in contact with the fuel. This study provides corrosion rates of automotive materials copper, aluminium, and stainless steel 316l when coming in contact with chicken fat...

Evaporation of sessile droplets on hot surfaces is the most important component in spray cooling and other processes. In this paper, the dynamic characteristics of non-boiling evaporation of sessile droplets on the copper surface are obtained by experimental methods under the condition of...

Resistance is the plant ability to prevent or delay the infection and the development of a pathogen. The objective of this study was to determine the efficiency of treatments with chemical and biological products for the control of citrus canker during the establishment of the citrus orchard...

Abstract Background Globally, mining activities have significant environmental impacts after global warming and stratospheric ozone depletion, and one of the most important releasing ways on the environment is anthropogenic activity. The study was aimed at eco-monitoring of the Murgul copper...

Gradient metal foam (GMFs), as a new type of enhanced boiling heat transfer material, can effectively weaken the resistance of bubbles in the detachment process, clarify the escape path and enhance the boiling heat transfer performance significantly. In this paper, an experimental visualization...

With the development of 5G communication, more demanding requirements have been specified for copper alloy strips for lead frames. Thin copper alloy strips with high residual stress always warp during the etching process, and they cannot meet the requirements of industry. Therefore, it is...

Development of an under-liquid super-repellent (ULSR) surface that can be used for separating both liquid/liquid and liquid/gas mixtures is strongly desirable, yet still hard to realize. Herein, to address this challenge, a Cu(OH) 2 nanowire textured surface on copper mesh was developed through...

Vineyards with a long history of cultivation in sandy and clayey soils, located in regions presenting subtropical climate, still lack studies associating Copper (Cu) and Zinc (Zn) fraction accumulation with distribution dynamics, as well as studies about the maximum adsorption capacities (MAC)...

Cu(II)-EDTA is a highly stable typical metal-organic complex in a wide pH range (3.0-12.0) and difficult to deeply purify Cu(II) by conventional precipitation methods. In this study, Fe(III) replacement/diethyldithiocarbamate (DDTC) precipitation combined process was proposed as a promising...

Enrofloxacin (ENR) is a widely used veterinary fluoroquinolone antibiotic and is frequently detected in water environments. In this study, degradation of ENR was investigated by molecular oxygen mediation using nanometer zero-valent copper (nZVC) as the catalyst. The dosage of nZVC, initial pH,...

Vanadium sulfides are appeared and investigated for the application of sodium-ion batteries (SIBs) due to their adjustable structure and high theoretical capacity. Nevertheless, their inferior sodiation/desodiation kinetics during cycling and convoluted Na + storage mechanism severely restricts...

First, 5732 MOFs with copper open sites were selected by the open metal detector from 13512 TOBACCO-MOFs. A hierarchical strategy was used to select out 1092 MOFs from those MOFs, and their adsorption capacity of the equimolar CO2/H2 mixture at 298 K and 10 bar was further calculated using the...

A weak anion exchange resin (WAER) modified with Cu 2+ ions was prepared and its adsorption behavior for phosphate species in batch and column systems were examined. While pristine WAER adsorbed phosphate species by Bronsted acid-base interaction, the Cu-WAER captured phosphate species mainly...

With the ever-growing demand for high energy and power density lithium-ion batteries (LIBs), tin (Sn) has been considered a capable anode material because of its high theoretical capacity (993.4 mAh/g). However, the practical application of Sn anodes suffers from low capacity retention due to...

The development of highly efficient and stable electrocatalysts for their application in electrochemical detection is desirable. Herein, a new copper nanowires (CuNWs) modified electrode was fabricated by coating poly(dimethyl diallyl ammonium chloride) (PDDA) stabilized CuNWs composite onto the...

This paper demonstrates a selective laser melting method to produce a metal matrix composite capable of enhancing the thermal conductivity of 316L stainless steel using a jettable Cu ink. A novel canister for controlling the atmosphere surrounding a powder bed during selective laser melting, was...

Pure copper (Cu) and copper-carbon nanotube (Cu-CNTs) alloys were fabricated using laser powder bed fusion additive manufacturing (LPBF-AM) with a relatively high density. Their location-dependent (i.e., distance from build plate) microstructure and nanomechanical properties at room temperature...

In order to meet the requirements of "wide frequency bands, lightweight, and strong absorption" of absorbing materials, a uniform mixture of FeAl 2 O 4 ferrite and Cu/RGO was obtained by the mechanical mixing method. The Cu/RGO (Reduction Graphene Oxide) composite powders were synthesized by the...

Negative permittivity is a required physical property of metamaterials which has been widely used in some emerging and unconventional applications, such as cloaking, perfect lens and perfect wave absorption. In addition to periodic meta-structured units, a composite with conductive networks,...

Copper sulfides (Cu x S) have been considered as candidates for sodium ion battery (SIB) anodes because they are environmentally friendly and have large theoretical capacity. Whereas, the cycle stability and capacity of Cu x S are still challenge for their practical applications. Here,...

In this work, we highlights 5G antenna (~ 28GHz) using Al 2 O 3 -doped CaO-MgO-SiO 2 glass ceramics with reducing-resistant behavior co-fired with copper electrode. The diffusion behavior between copper electrode and low-temperature-co-fired-ceramics (LTCC) were also studied. Amphoteric Al 3+...

Constructing nanoporous or nanocavity structure provides an electrocatalytic platform for enhancing active surface area and local mass density. The construction and preservation of specific geometry from the harsh electrochemical environments are critical for improving the catalytic performance...

In 1611 the young Gustav Adolf Vasa ascended the throne of Sweden as Gustav II Adolf. Along with the throne, the king inherited a disastrous war with Denmark, which he ended by signing the onerous Peace of Knäred. The terms included the obligation for Sweden to pay a one million rixdaler...

This paper introduces a model for intraday copper futures prices based on a stochastic differential equation (SDE). In particular, we derive an SDE that fits the model to the data and that is based on the whitening filter approach, a method characterizing linear time-variant systems. This method...