Jianxi Zhu
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View article: Electrokinetic transport mechanisms of rare earth elements in ion-adsorption deposits: An integrated model approach
Electrokinetic transport mechanisms of rare earth elements in ion-adsorption deposits: An integrated model approach Open
Heavy rare earth elements (REEs) are critical strategic resources for advanced technologies and the low-carbon economy transition. Ion-adsorption deposits (IADs) represent the primary sources of heavy REEs, yet their mining has caused seve…
View article: Differences in space weathering between the near and far side of the Moon: evidence from Chang'e-6 samples
Differences in space weathering between the near and far side of the Moon: evidence from Chang'e-6 samples Open
The differences in terrain and chemical composition between the far side of the Moon (lunar farside) and the near side have been identified through remote sensing spectroscopy. The lunar farside samples returned by the Chang’e-6 mission sh…
View article: Breakthrough in electrokinetic mining: 5,000 tons of ion-adsorption rare-earth ore successfully mined
Breakthrough in electrokinetic mining: 5,000 tons of ion-adsorption rare-earth ore successfully mined Open
View article: Electrokinetic Transport Mechanisms of Rare Earth Elements in Ion-Adsorption Deposits: An Integrated Model Approach
Electrokinetic Transport Mechanisms of Rare Earth Elements in Ion-Adsorption Deposits: An Integrated Model Approach Open
View article: Analysis and Optimization of Driving Performance for Tree Transplanting Machine in Hilly Mountainous Areas
Analysis and Optimization of Driving Performance for Tree Transplanting Machine in Hilly Mountainous Areas Open
A structural optimization scheme for the prototype is proposed to improve the driving performance of tree transplanting machines operating in hilly and mountainous environments. Through theoretical analysis of the tree transplanting machin…
View article: The influence of metal cations on the dissolution and transformation of biotite
The influence of metal cations on the dissolution and transformation of biotite Open
Five typical metal cations (i.e. Na + , K + , Ca 2+ , Mg 2+ and Al 3+ ) were selected as representatives to study the influence of metal cations on the dissolution and transformation of biotite. This work focussed on the mineralogical feat…
View article: Efficient conversion of montmorillonite-derived porous nano-silica to nano-silicon for lithium-ion battery anodes
Efficient conversion of montmorillonite-derived porous nano-silica to nano-silicon for lithium-ion battery anodes Open
Nano-silicon has been regarded as the most promising anode material for next-generation lithium-ion batteries (LIBs). However, the preparation of nano-silicon suffers from high cost, complex procedures, and low yield, which hinders its com…
View article: Chinese Bayberry Detection in an Orchard Environment Based on an Improved YOLOv7-Tiny Model
Chinese Bayberry Detection in an Orchard Environment Based on an Improved YOLOv7-Tiny Model Open
The precise detection of Chinese bayberry locations using object detection technology is a crucial step to achieve unmanned harvesting of these berries. Because of the small size and easy occlusion of bayberry fruit, the existing detection…
View article: The Application of Carbon-Based Fertilizer Changed the Microbial Composition and Co-Occurrence Network Topological Properties of Vineyard Soil
The Application of Carbon-Based Fertilizer Changed the Microbial Composition and Co-Occurrence Network Topological Properties of Vineyard Soil Open
Charcoal-based fertilizer could be used extensively and is environmentally friendly. An experiment was designed to investigate the effects of different charcoal-based fertilizer application methods on soil microbiology and grape quality in…
View article: Atomic Insights into Rare-Earth Element Enrichment and Fractionation in Weathering Crusts
Atomic Insights into Rare-Earth Element Enrichment and Fractionation in Weathering Crusts Open
Regolith-hosted rare-earth element (REE) deposits are essential for supplying heavy-REEs (HREEs), meeting over 95% of global demand. In weathering crusts, REE enrichment and fractionation form these valuable deposits. While REEs are common…
View article: Effect of Al Substitution on Visible Short-Wave Infrared Reflectance Spectroscopy (VSWIR) of Goethite and Ferrihydrite
Effect of Al Substitution on Visible Short-Wave Infrared Reflectance Spectroscopy (VSWIR) of Goethite and Ferrihydrite Open
Goethite and ferrihydrite are the two major iron hydroxides, essential mineral constituents in the terrestrial surface system. Aluminum (Al) is the most common substituent in iron hydroxides, and it may significantly change the bulk and su…
View article: Gypsum ridges as conduits for deep methane emission in an evaporite basin– Insights into the origin of atmospheric methane on Mars
Gypsum ridges as conduits for deep methane emission in an evaporite basin– Insights into the origin of atmospheric methane on Mars Open
View article: Industrial-scale application of electrokinetics heralding a new era of sustainable mining
Industrial-scale application of electrokinetics heralding a new era of sustainable mining Open
A rapidly developing supply crisis for rare-earth elements (REEs) is unfolding as global demand continues to surge. We present successful implementations of an electrokinetic-mining (EKM) technique on an industrial-scale mining site with a…
View article: Early Identification of Rotten Potatoes Using an Electronic Nose Based on Feature Discretization and Ensemble Convolutional Neural Network
Early Identification of Rotten Potatoes Using an Electronic Nose Based on Feature Discretization and Ensemble Convolutional Neural Network Open
The early identification of rotten potatoes is one of the most important challenges in a storage facility because of the inconspicuous symptoms of rot, the high density of storage, and environmental factors (such as temperature, humidity, …
View article: Recovery of Rare Earth Elements from Ion-Adsorption Deposits Using Electrokinetic Technology: The Soil Conductivity Mechanism Study
Recovery of Rare Earth Elements from Ion-Adsorption Deposits Using Electrokinetic Technology: The Soil Conductivity Mechanism Study Open
Rare earth elements (REEs) are essential raw materials for modern industries but mining them has caused severe environmental issues, particularly the recovery of heavy REEs (HREEs) from ion-adsorption deposits (IADs). Very recently, an eme…
View article: Methanogen‐Mediated Precipitation of Mn Carbonates at the Expense of Mn Oxides
Methanogen‐Mediated Precipitation of Mn Carbonates at the Expense of Mn Oxides Open
Whether Mn carbonates can be used as a proxy for the oxygenation event is debated. Here we examined the Early Cretaceous lacustrine Mn carbonates from North China, which contain abundant microbial fossils. The extremely positive δ 13 C (up…
View article: Transport Model of Rare Earth Elements in Weathering Crusts during Electrokinetic Mining
Transport Model of Rare Earth Elements in Weathering Crusts during Electrokinetic Mining Open
Electrokinetic mining (EKM) is a novel method for rare earth element (REE) mining that can achieve green and efficient recovery of REEs. However, as yet, there is no accurate model for describing the electrokinetic transport of REEs in wea…
View article: The use of electrokinetics promises a sustainable mining future
The use of electrokinetics promises a sustainable mining future Open
View article: Comments on “was hydrogen peroxide present before the arrival of oxygenic photosynthesis? The important role of iron(II) in the archean ocean”
Comments on “was hydrogen peroxide present before the arrival of oxygenic photosynthesis? The important role of iron(II) in the archean ocean” Open
View article: Studies of peach gum polysaccharide on gut microbiota in vitro fermentation by human feces
Studies of peach gum polysaccharide on gut microbiota in vitro fermentation by human feces Open
Peach gum polysaccharides have multiple biological functions, such as anti-oxidation, blood lipids reduction, and immune protection. However, their impact on the gut microbiota was still unclear. Here, high throughput sequencing was used t…
View article: Kinetics of Mg-Ni saponite crystallization from precursor mixtures
Kinetics of Mg-Ni saponite crystallization from precursor mixtures Open
Smectite growth is of importance across various fields due to its abundance on the surface of both Earth and Mars. However, the impact of the crystallinity of initial materials on smectite growth processes remains poorly understood. In thi…
View article: Shock Metamorphism of Lunar Minerals
Shock Metamorphism of Lunar Minerals Open
Impact events have played a crucial role in the formation and evolution of the Moon, as evidenced by the numerous of impact craters on its surface, indicating a long history spanning over 4 billion years characterized by numerous such occu…
View article: Rare earth element enrichment in sedimentary phosphorites formed during the Precambrian–Cambrian transition, Southwest China
Rare earth element enrichment in sedimentary phosphorites formed during the Precambrian–Cambrian transition, Southwest China Open
Numerous sedimentary phosphorites in Southwest China were formed around the Precambrian–Cambrian transition (PC–C), including the upper Ediacaran Doushantuo Formation and lower Cambrian Gezhongwu Formation. The Gezhongwu phosphorites in Zh…
View article: Surface-dependent generation of reactive oxygen species at pyrite–water interface
Surface-dependent generation of reactive oxygen species at pyrite–water interface Open
The generation of reactive oxygen species (ROS) at the pyrite–water interface is an important discovery for both early Earth’s and present environments in the past two decades. In these revealed reactions, pyrite can oxidize water to ROS a…
View article: Distribution of rare earth elements (REEs) in supergene environment around a typical ion adsorption–type REE deposit
Distribution of rare earth elements (REEs) in supergene environment around a typical ion adsorption–type REE deposit Open
The exploitation of ion adsorption-type rare earth element (REE) deposits using in-situ leaching technology has become increasingly popular in recent years. However, the migration of REEs into the surrounding environment has raised signifi…
View article: A Three-Dimensional Full-Coverage Operation Path Planning Method for Plant Protection Unmanned Aerial Vehicles Based on Energy Consumption Modeling
A Three-Dimensional Full-Coverage Operation Path Planning Method for Plant Protection Unmanned Aerial Vehicles Based on Energy Consumption Modeling Open
With the rapid development of precision agriculture technology worldwide, plant protection unmanned aerial vehicles (UAVs) have been widely applied in the prevention and control of agricultural pests and diseases due to their advantages su…
View article: Metabolome, Plant Hormone, and Transcriptome Analyses Reveal the Mechanism of Spatial Accumulation Pattern of Anthocyanins in Peach Flesh
Metabolome, Plant Hormone, and Transcriptome Analyses Reveal the Mechanism of Spatial Accumulation Pattern of Anthocyanins in Peach Flesh Open
Anthocyanins are important secondary metabolites in fruits, and anthocyanin accumulation in the flesh of peach exhibits a spatial pattern, but the relevant mechanism is still unknown. In this study, the yellow-fleshed peach, cv. ‘Jinxiu’, …
View article: Geodynamic oxidation of Archean terrestrial surfaces
Geodynamic oxidation of Archean terrestrial surfaces Open
One of the paradoxes of the Archean rock record is how evidence for oxidative continental weathering is plausible when the atmosphere lacked oxygen prior to the Great Oxidation Event ca. 2.5 billion years ago. We detected reactive oxygen s…
View article: A mineral-based origin of Earth’s initial hydrogen peroxide and molecular oxygen
A mineral-based origin of Earth’s initial hydrogen peroxide and molecular oxygen Open
Terrestrial reactive oxygen species (ROS) may have played a central role in the formation of oxic environments and evolution of early life. The abiotic origin of ROS on the Archean Earth has been heavily studied, and ROS are conventionally…
View article: Experimental study of environmental (pH, T, salinity, concentration) control on ammonium adsorption on clay minerals
Experimental study of environmental (pH, T, salinity, concentration) control on ammonium adsorption on clay minerals Open