999 Result(s)
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Article
Recovery of Zinc and Copper from Lead Slag by the Combined Process of Beneficiation and Roasting
The valuable metals copper and zinc were successfully recovered from a water-quenched lead smelting slag containing zinc in Gansu Province. This study focuses on the application of the direct reduction roastin...
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Article
Release Experiment Reveals Eutrophication Risk of using Polders to Impound Flood Water in the Yangtze River
In the riparian zone of the Yangtze River, using polders to impound flood water with high sediment content probably brings eutrophication. A nutrient (nitrogen and phosphorus) release experiment was conducted ...
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Article
Riparian plant-soil-microbial C:N:P stoichiometry: are they conserved at plant functional group level?
As a consequence of the tight linkages between plants, soil, and microorganisms, we hypothesized the variations in plant species would change soil and microbial stoichiometry. Here, we examined the plant leaf ...
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Article
Mechanism and Kinetics Study on Sulfuric Acid Leaching of Titanium from NaOH Roasting Ilmenite
Based on the difficulty of extracting titanium from ilmenite, this study modified ilmenite by alkali roasting to improve the leaching rate of titanium. The leaching behaviour and kinetics of titanium in pretre...
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Article
Urban resilience evaluation based on entropy-TOPSIS model: a case study of county-level cities in Ningxia, Northwest China
In the process of rapid urbanization, any unexpected event will harm the stability of the city. Strengthening urban resilience construction will effectively respond to unexpected events. Taking 22 counties (ci...
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Article
Screening effects of heavy metals in urban rivers within plains: implications for ecological risk assessment
The objective of this study was to investigate the spatiotemporal distribution patterns of two common heavy metals, Cd and Pb, in urban rivers in plains, and analyze the impact of weak hydrodynamics on the tra...
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Article
Research Progress of Ultrasonic Impact Composite Arc Cladding Technology on Engineering Alloys: A Review
With the advantages of high quality, high efficiency, and low cost, arc cladding technology is particularly suitable for the preparation of coatings and the formation of components. Due to the excessive heat i...
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Article
Cognitive impairment associated with individual and joint exposure to PM2.5 constituents in a Chinese national cohort
Nationwide longitudinal evidence linking cognitive decline with exposure to fine particulate matter (PM2.5) constituents remains scarce in China. By constructing a dynamic cohort based on the China Health and Ret...
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Article
Soil heavy metal pollution and health risk assessment around Wangchun Industrial Park, Ningbo, China
To explore the soil heavy metal pollution around Wangchun Industrial Park and its health effects on people of different ages.
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Article
Investigating the impact of weather on stroke in summer
The objective of this study is to explore how changes in weather contribute to an increase in hospital admissions for stroke in summer. We collected 96,509 cases of stroke hospitalization data in Tian** from ...
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Article
Exploring the Impact of Biodegradable and Nonbiodegradable Microplastic Particles on Pb Absorption in Maize
The aim of this study was to explore the effects of the variations in biodegradable and nonbiodegradable microplastic particles (MPs) on the absorption of lead (Pb) in maize.
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Article
Potassium Permanganate/Persulfate Combined Oxidation Remediation of Petroleum Contaminated Soil
The stable and resistant nature of petroleum, recognized as a primary environmental pollutant, poses significant risks to soil and ecosystems. Recent attention has shifted towards remediating petroleum-contami...
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Article
Unraveling Magnesium Alloy Corrosion Patterns Through Unsupervised Machine Learning: Exploring Clustering Techniques for Enhanced Insight
This research investigates the interpretation of corrosion patterns using unsupervised machine learning techniques. The use of machine learning techniques using unsupervised approaches has emerged as an import...
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Article
Open AccessAnalysis of canal discharge management through remodeled structure at Guddu Barrage
As vital hydraulic infrastructure, barrages and canals are crucial for agricultural irrigation in Sindh Province, Pakistan. Any deviation from the intended design discharge can significantly impact water resou...
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The impact of environmental regulations on the green development of the mariculture industry: empirical analysis based on provincial panel data in coastal areas of China
With the continuous increase in global mariculture production and aquaculture areas, the environmental pollution caused by the mariculture industry is becoming increasingly serious. Faced with environmental is...
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Article
Dynamic impact properties of deep sandstone under thermal-hydraulic-mechanical coupling loads
The deep rock mass within coal mines situated in a challenging environment are characterized by high ground stress, high geotemperature, high osmotic water pressure, and dynamic disturbances from mechanical ex...
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Article
Modeling and optimization of a hybrid solar-battery-diesel power system for remote consumers
Hybrid power systems can be affected by various uncertain parameters such as technical, economic, and environmental factors. These parameters may have both positive and negative impacts on the overall performa...
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Article
Ecotoxicity Assessment of Four Oxidizing Agents for Remediation of BTEXs-Contaminated Soil
In this investigation, four classical chemical oxidizing agents—hydrogen peroxide (H2O2), Fenton reagent, sodium persulfate (Na2S2O8), and potassium permanganate (KMnO4)—were employed to remediate soils contamina...
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Article
Effect of Hydrochemical Factors on the Retention and Transport of Ribavirin in Saturated Sand and Limestone Porous Media
The antiviral drug ribavirin is widely used and continuously released into the environment through various pathways, which will cause serious water pollution and virus resistance. However, only few works have ...
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Article
R&D investment and corporate total factor productivity under the heterogeneous environmental regulations: evidence from Chinese micro firms
Technological innovation activities are the most effective way to achieve corporate leapfrog development. Based on the Porter effect theory, this paper uses panel data on Chinese manufacturing firms from 2015 ...
