Investigation of effects of impeller geometry on the spatial distribution of turbulent field …

An empirical correlation that considers the spatial distribution of turbulent parameters for the reaction rate of I 2 synthesis is proposed. The results show that the predictions of segregation index, which represents micro-mixing performance, are improved by a numerical model coupled with the new reaction rate model.

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Analysis of spatial distribution and drivers of gaseous energy …

Air pollution is an important part of ecological environment problems. Gaseous energy combustion pollution is a key part of air pollution. Analysis of its spatial distribution and drivers is important to effectively manage air quality and promote regional green development. This paper uses panel dat …

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Temporal and Spatial Distribution Analysis of Atmospheric …

In order to study the temporal and spatial distribution characteristics of atmospheric pollutants in cities (districts and counties) in the Chengdu–Chongqing Twin-city Economic Circle (CCEC) and to provide a theoretical basis for atmospheric pollution prevention and control, this paper combined Ambient Air Quality Standards (AAQS) and …

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Spatial distribution and source analysis of heavy metals in agricultural soils in a Peri-urban area based on IDW interpolation and chemical ...

Spatial distribution and source analysis of heavy metals in agricultural soils in a Peri-urban area based on IDW interpolation and chemical fractions: A case study in Henan Province April 2016 DOI ...

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A planning scheme for energy storage power station based on …

To reduce the waste of renewable energy and increase the use of renewable energy, this paper proposes a provincial-city–county spatial scale energy …

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Electrical energy storage in highly renewable European energy systems: Capacity requirements, spatial distribution, and storage …

We provide a comprehensive analysis of the required storage capacity for highly renewable energy scenarios in Europe.The dependency of the spatial distribution of storage with the regionally predominant renewable technology and its temporal feed-in characteristics is shown in detail. ...

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Remote Sensing | Free Full-Text | Spatial Distribution Analysis of …

Landslides are geological events that frequently cause major disasters. Research on landslides is essential, but current studies mostly use historical landslide data and do not reflect dynamic, real-time research results. In this study, landslide deformations and land-use changes were used to analyze the landslide distribution in Fengjie County …

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Agronomy | Free Full-Text | Spatial and Temporal Distribution of Ecballium elaterium in Almond Orchards …

The concept of site-specific weed management is based on the assumption that weeds are aggregated in patches. In this study, we surveyed four plots in four commercial almond orchards for three years and mapped the locations of Ecballium elaterium, a troublesome weed in Israeli agriculture, specifically in almond orchards. We …

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Detailed Inventory and Spatial Distribution Analysis of Rainfall …

In recent years, with the intensification of climate change, the occurrence of heavy rain events has become more frequent. Landslides triggered by heavy rainfall have become one of the common geological disasters around the world. This study selects an extreme rainfall event in August 2018 in Jiexi County, Guangdong province, as the …

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Spatial distribution characteristics, source analysis and risk assessment of polycyclic aromatic hydrocarbons in topsoil of a typical chemical ...

Keywords: spatial distribution characteristics, polycyclic aromatic hydrocarbons (PAHs), source identification, risk assessment, chemical industry park Citation: Zhang Y, Niu J, Wei Z, Zhou X, Wu L, Li X, Ma S and Shi G (2023) Spatial distribution characteristics, source analysis and risk assessment of polycyclic aromatic …

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Electrical energy storage in highly renewable European energy …

Our analysis enhances this discussion and sheds light on the underlying causes of both the optimum spatial distribution of storage capacity and storage …

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Spatial distribution and driving factors of soil organic carbon in the …

Random forest model and correlation analysis were used to identify the main driving factors of SOC distribution. The results showed that the SOC content, soil organic carbon density (SOCD), and soil organic carbon storage (SOCS) in the Northeast China Plain were 13.48 g·kg −1, 3.45 kg·C·m −2, and 898.95 Tg, respectively.

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IJERPH | Free Full-Text | Spatial Distribution, Potential Sources, …

The spatial distribution patterns of PAHs were explored using interpolation and spatial clustering analysis, and the probable sources of soil PAHs were identified for different land-use covers. The results indicate that the soil Σ16 PAH concentration ranged from 22.12 to 1337.82 ng g−1, with a mean of 224.21 ng g−1.

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Spatial analysis of drug absorption, distribution, metabolism, and …

2.1. Principles and fundamentals of MSI Mass spectrometry (MS) analysis is an analytical technique that identifies ionized molecules based on the m/z, which is generated from different ionization technologies including electrospray ionization (ESI), electron impact ionization (EI), fast atom bombardment (FAB), atmospheric pressure chemical ionization …

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Atmosphere | Free Full-Text | Spatial Distribution, Chemical Speciation and …

Settled dust samples were collected from Qingdao urban area to analyze the spatial distribution, chemical speciation and sources of metals, and to evaluate the health risk of metals from atmospheric dust. The average contents of Hg, Cd, Cr, Cu, Ni, Pb and Zn in the atmospheric settled dust of Qingdao were 0.17, 0.75, 153.1, 456.7, 60.9, 176.0 and 708.3 …

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Spatial reactant distribution in CO2 electrolysis: balancing CO2 …

Using varying inlet flow rates we demonstrate that the variation in spatial concentration of CO 2 leads to spatial variations in faradaic efficiency that cannot be …

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Spatial analysis of drug absorption, distribution, metabolism, and …

Ionization Advantages Disadvantages MALDI 10–100 µm spatial resolution, fmol-zmol sensitivity, mass resolution up to 40,000 Allows for analysis for a large mass range m/z 0 – 50,000 Da, allows for the generation of ions of …

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Spatial temperature distribution and ground thermal storage in …

The spatial distribution of the indoor air temperature at 3:00, 9:00, 12:00, 15:00, and 21:00 is shown in Fig. 9. The T a steadily declined with increasing vertical height at night while it was low overall and high at the soil surface.

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Analysis of the optimal spatial distribution of natural gas under …

Considering the spatial distribution of natural gas in natural gas fields, shale gas, coal gasification production, ... Developing large-scale energy storage to alleviate a low-carbon energy bubble Energy Policy, Vol. 132 (September) (2019), pp. 62-74 View PDF, Li ...

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Spatial Distribution

An analysis of spatial distribution makes it easy to comprehend the factors that influence the creation of geothermal energy and identify regions with potential geothermal energy resources. Point pattern analysis is a statistical method commonly utilized in the fields of geography [7], ecology [66], and geology [11] to recognize spatial patterns and the …

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Spatial Distribution and Assessment of Selected Physiochemical Parameters of Soils …

The result shows that the spatial distribution of pH ranges from 2.90 – 9.66, w hile Mg ha s moderate values of 0.04-0.93 ppm. The area is ge nerally considered to have low OC, Na, Ca, and

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Sustainability | Free Full-Text | Spatial Distributions, Pollution Assessment, and Qualified Source Apportionment …

Daye is a city in China known for its rich mineral resources, with a history of metal mining and smelting that dates back more than 3000 years. To analyze the spatial distribution patterns, ecological risk, and sources of heavy metals (Cd, Co, Cr, Cu, Mn, Ni, Pb, and Zn) in soils, 213 topsoil samples were collected in the main urban area of Daye in September …

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Electrical energy storage in highly renewable European energy systems: Capacity requirements, spatial distribution, and storage …

Note that both storage power (GW) and storage energy capacity (GWh) are endogenously derived by REMix for each storage technology. A more detailed analysis of storage dispatch and its spatial distribution is provided by the following section. 3.3.

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Spatial disparities and sources analysis of co-benefits between …

Spatial distribution analysis of co-benefits at the provincial scale To better represent the spatial distribution of co-benefits in China, this study categorizes provinces into four levels: high, slightly high, slightly low, and low co-benefits level, through the ArcGIS natural discontinuity method, then the co-benefits changes at four key time points: year …

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Spatial Distribution Characteristics and Source Appointment of Heavy Metals in Soil in the Areas Affected by Non-Ferrous Metal Slag Field …

In this study, the contents and associated soil properties of 6 metal elements (Pb, As, Cu, Zn, Ni, Cr) were measured in 63 topsoil samples in the affected areas of a typical non-ferrous metal slag field in Huili City, Sichuan Province, China. The associated soil properties of the 6 metals include Ammonium Nitrogen (NH4+-N), Nitrate …

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Spatial reactant distribution in CO 2 electrolysis: balancing CO 2 …

The research result shows that: (1) the spatial distribution of China''s energy storage industry is uneven between north to south and east to west, and the spatial …

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Analysis of the spatiotemporal distribution pattern and driving factors of renewable energy …

Strengthen the electricity market and energy storage infrastructure: The development of renewable energy faces challenges related to the electricity market system and energy storage technology. To address these challenges, efforts should be made to improve the electricity market system, promoting fair competition and effective pricing …

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Contamination, Spatial Distribution and Source …

Anthropogenic activities may result in the accumulation of heavy metals in the soil, especially in economic development zones with frequent industrial activities. Therefore, the investigation and assessment …

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Spatial distribution of polycyclic aromatic hydrocarbon contamination in …

The main purpose of this review was to collate the spatial distribution, pollution level, pollution sources, and potential risks of PAHs in urban soils of different regions of China. Relevant data of PAH soil contamination in Chinese provinces and cities were extracted from studies published from 2000 to 2018.

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Scale-dependent and driving relationships between spatial features and carbon storage …

Field results and spatial distribution of carbon There are 226 species of trees in the China Green Expo Park. The number of trees is 10,8241, with the main species being Platanus, Ligustrum lucidum, Cedrus, Salix, Ginkgo biloba, Prunus cerasifera '' Atropurpurea '', and Koelreuteria paniculata, which add up to 48.5 % of the trees in the park.

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Spatial Distribution of Electron Density and Electric Field Strength …

Spatial Distribution of Electron Density and Electric Field Strength in High-Frequency Discharge. Criteria for Similarity. A. T. Bell. Cite this: Ind. Eng. Chem. Fundamen. 1970, …

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(PDF) Spatial distribution of the chemical properties of the soil and of soybean yield in the field …

The coefficient of variation showed a wide range of distribution for the chemical attributes of the soil, with the highest indices being found for the levels of available phosphorus (102%) and ...

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Applications of magnetic field for electrochemical energy storage

Abstract. Recently, the introduction of the magnetic field has opened a new and exciting avenue for achieving high-performance electrochemical energy storage (EES) devices. The employment of the ...

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Forests | Free Full-Text | Spatiotemporal Distribution Analysis of Spatial …

This approach allows for a comprehensive analysis of the distribution patterns and fluctuation trends of spatial vitality across various time dimensions and spatial scales. In comparison to existing studies on the vitality of urban public spaces, this research explores the distribution of vitality and related factors in small-scale spaces, specifically …

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