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16,135 Results Found

  • Article
  • Open Access
11 Citations
4,397 Views
16 Pages

The adsorption of nucleic acid components on the surface of nanocrystalline titanium dioxide (anatase, pHpzc = 6.5) in NaCl solutions was investigated using potentiometric titrations and multibatch adsorption experiments over a wide range of pH and i...

  • Article
  • Open Access
8 Citations
1,504 Views
13 Pages

26 November 2024

We have shown that the adsorption of Cu2+ ions on various metal oxides, depending on the pH of the solution, can be described assuming the formation of only two surface complexes with surface hydroxyl groups SOH: SOCu(OH) and SOCu+. Using an ion-sele...

  • Article
  • Open Access
11 Citations
2,718 Views
14 Pages

Surface Complexation Modelling of Wettability Alteration during Carbonated Water Flooding

  • Fagan Mehdiyev,
  • Samuel Erzuah,
  • Aruoture Omekeh and
  • Ingebret Fjelde

20 April 2022

CO2 capture and utilization is an effective tool in reducing greenhouse gas emissions and hence, combating global warming. In the present study, surface complexation modeling (SCM) with the geochemistry solver, PHREEQ-C, was utilized to predict the w...

  • Article
  • Open Access
1 Citations
2,311 Views
25 Pages

Minerals are the chief constituents of rocks and have varied properties, such as the surface area, surface charge, site density, etc. Hence, numerous interactions are bound to occur in a reservoir during rock–fluid (i.e., rock, crude oil and br...

  • Article
  • Open Access
1,253 Views
31 Pages

6 September 2025

Phosphorus pollution represents a persistent and significant threat to aquatic ecosystems, particularly within the Mediterranean region, where ongoing eutrophication continues to compromise both water quality and biodiversity. Concurrently, the accum...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,617 Views
19 Pages

20 July 2022

At the nanoscale, particle size affects the surface reactivity of anatase–water interfaces. Here, we investigate the effect of electrolyte media and particle size on the primary charging behavior of anatase nanoparticles. Macroscopic experiments, pot...

  • Article
  • Open Access
6 Citations
2,173 Views
18 Pages

15 July 2020

The space S L ( 2 , R ) × S L ( 2 , R ) admits a natural homogeneous pseudo-Riemannian nearly Kähler structure. We investigate almost complex surfaces in this space. In particular, we obtain a complete classification of the totally...

  • Article
  • Open Access
5 Citations
2,587 Views
14 Pages

28 May 2023

Complex optical elements have the advantages of improving image quality and optical performance and expanding the field of view. Therefore, it is widely used in X-ray scientific devices, adaptive optical elements, high-energy laser systems, and other...

  • Review
  • Open Access
14 Citations
5,944 Views
19 Pages

A Review of the Developments of the Characteristics and Mechanisms of Airless Spraying on Complex Surfaces

  • Zhaojie Wu,
  • Yan Chen,
  • Huishu Liu,
  • Weixing Hua,
  • Jimiao Duan and
  • Linglan Kong

17 December 2023

The special surface appearance of complex surfaces restricts the coating film quality of spraying. The study of the atomization and film formation characteristics of typical complex surfaces, as well as the spraying mechanism, is essential for planni...

  • Article
  • Open Access
2,874 Views
13 Pages

Research in Meteorological Modeling Oriented Comprehensive Surface Complexity (CSC)

  • Chunxiao Zhang,
  • Xinqi Zheng,
  • Jiayang Li,
  • Shuxian Wang and
  • Weiming Xu

29 July 2019

Ground surface characteristics (i.e., topography and landscape patterns) are important factors in geographic dynamics. Thus, the complexity of ground surface is a valuable indicator for designing multiscale modeling concerning the balance between com...

  • Article
  • Open Access
19 Citations
2,380 Views
21 Pages

Pertechnetate/Perrhenate Surface Complexation on Bamboo Engineered Biochar

  • Martin Daňo,
  • Eva Viglašová,
  • Karel Štamberg,
  • Michal Galamboš and
  • Dušan Galanda

20 January 2021

The work deals with the evaluation of biochar samples prepared from Phyllostachys Viridiglaucescens bamboo. This evaluation consists of the characterization of prepared materials’ structural properties, batch and dynamic sorption experiments, a...

  • Review
  • Open Access
1 Citations
1,976 Views
20 Pages

12 August 2025

With the development of modern manufacturing industry, complex surface parts are more and more widely used in aerospace, automobile manufacturing, the shipbuilding industry, and many other fields; furthermore, their machining demand is growing explos...

  • Article
  • Open Access
1,579 Views
15 Pages

26 October 2024

Force control is one of the core modules for surface finishing such as grinding, polishing and sanding. However, the current force control methods based on human skills lack in-depth analysis of data patterns or are only applicable to flat surfaces....

  • Article
  • Open Access
1 Citations
730 Views
15 Pages

22 July 2025

A salient feature of modern material surfaces used in cutting-edge technologies is their structural and spatial complexity, which endows them with novel properties and multifunctionality. The quantitative characterization of material complexity is a...

  • Article
  • Open Access
1 Citations
1,513 Views
21 Pages

31 December 2024

Newly developed Sol–gel (SG) flexible tools are used to polish complex marble surfaces with a robot to achieve a high-gloss, low-roughness, and scratch-free surface. The SG tool is composed of semi-solid abrasive and flexible fiber pads, which...

  • Article
  • Open Access
13 Citations
2,543 Views
10 Pages

Nowadays, the manufacturing industry is focused on newer modern manufacturing methods, such as single point incremental forming (SPIF). The popularity of the SPIF process in the manufacturing industry is increasing due to its capability for rapid pro...

  • Article
  • Open Access
17 Citations
8,003 Views
13 Pages

Guest-Host Complex Formed between Ascorbic Acid and β-Cyclodextrin Immobilized on the Surface of an Electrode

  • María Teresa Ramírez-Silva,
  • Manuel Palomar-Pardavé,
  • Silvia Corona-Avendaño,
  • Mario Romero-Romo and
  • Georgina Alarcón-Angeles

9 May 2014

This work deals with the formation of supramolecular complexes between ascorbic acid (AA), the guest, and β-cyclodextrin (β-CD), the host, that was first potentiodynamically immobilized on the surface of a carbon paste electrode (CPE) throughout the...

  • Article
  • Open Access
26 Citations
3,401 Views
22 Pages

Timely Plastic-Mulched Cropland Extraction Method from Complex Mixed Surfaces in Arid Regions

  • Chenhao Fu,
  • Lei Cheng,
  • Shujing Qin,
  • Aqil Tariq,
  • Pan Liu,
  • Kaijie Zou and
  • Liwei Chang

19 August 2022

Plastic mulch is extensively applied in agricultural production in arid regions. It significantly influences the interactions between land and atmosphere by altering underlying surface characteristics. An accurate and timely extraction method for Pla...

  • Article
  • Open Access
3 Citations
995 Views
13 Pages

Interpolymer Complexation Between Cellulose Ethers, Poloxamers, and Polyacrylic Acid: Surface-Dependent Behavior

  • Eldar Kopishev,
  • Fatima Jafarova,
  • Lyazat Tolymbekova,
  • Gaini Seitenova and
  • Ruslan Sаfarov

21 May 2025

This study examines the surface-dependent formation of interpolymer complexes (IPCs) by the layer-by-layer (LBL) deposition method. The materials used in this analysis are poly(acrylic acid) (PAA) combined with cellulose ethers, namely methyl cellulo...

  • Article
  • Open Access
22 Citations
4,196 Views
24 Pages

25 June 2018

Precise processing for complex geometric surfaces of titanium alloy artificial joints has higher technical difficulties. This paper addresses the matter by proposing an improved abrasive flow processing method. According to the micro-cutting principl...

  • Article
  • Open Access
3 Citations
3,236 Views
27 Pages

21 April 2023

Recognizing and classifying natural or artificial geo-objects under complex geo-scenes using remotely sensed data remains a significant challenge due to the heterogeneity in their spatial distribution and sampling bias. In this study, we propose a de...

  • Article
  • Open Access
13 Citations
3,057 Views
18 Pages

SAR Based Sea Surface Complex Wind Fields Estimation: An Analysis over the Northern Adriatic Sea

  • Virginia Zamparelli,
  • Francesca De Santi,
  • Giacomo De Carolis and
  • Gianfranco Fornaro

14 April 2023

Nowadays, sea surface analysis and monitoring increasingly use remote sensing, with particular interest in Synthetic Aperture Radar (SAR). Several SAR techniques exist in literature to understand the marine phenomena affecting the sea surface. In thi...

  • Article
  • Open Access
2 Citations
2,909 Views
19 Pages

22 August 2019

The surface quality and profile accuracy of a radar fiberglass radome are determined by the manufacturing of the fiber-reinforced-plastic (FRP) complex curved mold. The surface quality, thickness uniformity, and shape accuracy of the mold seriously a...

  • Article
  • Open Access
4 Citations
2,168 Views
15 Pages

Electric Field-Driven Jetting and Water-Assisted Transfer Printing for High-Resolution Electronics on Complex Curved Surfaces

  • Wenzheng Sun,
  • Zhenghao Li,
  • Xiaoyang Zhu,
  • Houchao Zhang,
  • Hongke Li,
  • Rui Wang,
  • Wensong Ge,
  • Huangyu Chen,
  • Xinyi Du and
  • Hongbo Lan
  • + 4 authors

High-resolution electronics on complex curved surfaces have wide applications in fields such as biometric health monitoring, intelligent aircraft skins, conformal displays, and biomimetics. However, current manufacturing processes can only adapt to l...

  • Article
  • Open Access
1,704 Views
14 Pages

17 June 2024

Urban areas contribute to over 80% of carbon dioxide emissions, and considerable efforts are being undertaken to characterize spatiotemporal variations of CO2 (carbon dioxide) at a city, regional, and national level, aiming at providing pipelines for...

  • Article
  • Open Access
9 Citations
5,005 Views
16 Pages

Adaptive Surface Modeling of Soil Properties in Complex Landforms

  • Wei Liu,
  • Hai-Rong Zhang,
  • Da-Peng Yan and
  • Sheng-Li Wang

Abstract: Spatial discontinuity often causes poor accuracy when a single model is used for the surface modeling of soil properties in complex geomorphic areas. Here we present a method for adaptive surface modeling of combined secondary variables to...

  • Article
  • Open Access
670 Views
19 Pages

18 August 2025

Slope landslide risk presents a critical challenge throughout high-speed railway construction and operation. Precise detection of sliding surfaces is essential for disaster prevention. This study develops an electrical detection method using complex...

  • Article
  • Open Access
51 Citations
6,479 Views
24 Pages

6 March 2018

Machined surfaces are rough from a microscopic perspective no matter how finely they are finished. Surface roughness is an important factor to consider during production quality control. Using modern techniques, surface roughness measurements are ben...

  • Article
  • Open Access
11 Citations
3,070 Views
26 Pages

26 March 2024

Surface roughness prediction is a pivotal aspect of the manufacturing industry, as it directly influences product quality and process optimization. This study introduces a predictive model for surface roughness in the turning of complex-structured wo...

  • Article
  • Open Access
2 Citations
2,141 Views
15 Pages

5 September 2022

This paper deals with prediction of the roughness of a cutting surface in the turning process, applying the vibration data of the system. A new type of dynamic model for a workpiece-cutting tool system, appropriate for vibration simulation, is develo...

  • Article
  • Open Access
4 Citations
2,198 Views
14 Pages

24 April 2024

A new Cu(II) complex, [CuL1L2(CH3COO)2(H2O)]·H2O, was synthesized by the reaction of Cu(CH3COO)2·H2O, 6-phenylpyridine-2-carboxylic acid (HL1), and 4-[5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl]pyridine (L2) in ethanol-water (v:v = 1:1) solu...

  • Article
  • Open Access
1 Citations
1,335 Views
36 Pages

Robotic Contact on Complex Curved Surfaces Using Adaptive Trajectory Planning Through Precise Force Control

  • Hosham Wahballa,
  • Abubker Ahmed,
  • Ghazally I. Y. Mustafa,
  • Mohammednour Gibreel and
  • Lei Weining

2 September 2025

This paper presents a control method for achieving precise robotic contact on complex and curved surfaces in manufacturing and automation. The method combines smooth trajectory planning with contact force control to improve finishing accuracy while r...

  • Article
  • Open Access
1 Citations
627 Views
19 Pages

20 April 2025

The surface-borehole transient electromagnetic method exhibits significant advantages in identifying deep targets, as its closer distance to subsurface targets results in more pronounced effective anomalies when compared to surface-based techniques....

  • Article
  • Open Access
16 Citations
4,331 Views
16 Pages

3 January 2020

As multisensor measurement technology is rapidly applied in industrial production, one key issue is the data fusion procedure by combining several datasets from multiple sensors to obtain the overall geometric measurement. In this paper, a multisenso...

  • Article
  • Open Access
127 Citations
12,169 Views
27 Pages

18 June 2016

Land cover mapping (LCM) in complex surface-mined and agricultural landscapes could contribute greatly to regulating mine exploitation and protecting mine geo-environments. However, there are some special and spectrally similar land covers in these l...

  • Article
  • Open Access
41 Citations
5,519 Views
20 Pages

23 December 2017

Land cover classification (LCC) in complex surface-mined landscapes has become very important for understanding the influence of mining activities on the regional geo-environment. There are three characteristics of complex surface-mined areas limitin...

  • Article
  • Open Access
5 Citations
3,376 Views
16 Pages

Low-Complexity Beamforming Design for a Cooperative Reconfigurable Intelligent Surface-Aided Cell-Free Network

  • Muhammad Zain Siddiqi,
  • Aisha Munir,
  • Syed Agha Hassnain Mohsan,
  • Shashi Shah,
  • Sushank Chaudhary,
  • Paramin Sangwongngam and
  • Lunchakorn Wuttisittikulkij

12 January 2023

Cell-free (CF) networks are proposed to suppress the interference among collocated cells by deploying several BSs without cell boundaries. Nevertheless, as installing several base stations (BSs) may require high power consumption, cooperative CF netw...

  • Article
  • Open Access
7 Citations
3,578 Views
18 Pages

30 November 2019

In order to address the problems of various interference factors and small sample acquisition in surface floating object detection, an object detection algorithm combining spatial and frequency domains is proposed. Firstly, a rough texture detection...

  • Article
  • Open Access
1 Citations
3,083 Views
27 Pages

2 June 2023

Stacked plate heat exchangers are widely used in thermal energy storage systems and a comprehensive and accurate analysis is necessary for their application and optimization. The fluid flow distribution between the plates is important to ensure even...

  • Article
  • Open Access
6 Citations
3,997 Views
13 Pages

Potentiometric titrations have been routinely used to measure the proton-related surface charge density (SCD) of particles in solution. Here, we quantify the SCD of silica nanoparticles (NPs) that are commercially available as charge-stabilized collo...

  • Article
  • Open Access
501 Views
15 Pages

Antimicrobial Activity and Characterization of a Validated Copper-Complexed Polymer Tape for Surface Disinfectant Applications

  • Andreanne G. Vasconcelos,
  • William D. Amorim,
  • Bruno S. Sá,
  • Luan B. V. Costa,
  • Gustavo S. de Araujo,
  • Helder Andrey R. Gomes,
  • Jorge Antônio Chamon Júnior,
  • Amabel F. Correia,
  • Íris Cabral and
  • José Roberto de S. A. Leite
  • + 10 authors

14 December 2025

Background: Surface contamination in healthcare environments plays a key role in the persistence and transmission of microorganisms. Long-lasting antimicrobial coatings based on copper–polymer complexes offer a promising passive strategy to min...

  • Article
  • Open Access
9 Citations
3,650 Views
19 Pages

21 April 2021

Changes in atmospheric water vapor mainly occur in the atmospheric boundary layer. However, due to many factors, such as orography and ground thermal dynamic conditions, the change trends and transformation law of atmospheric water vapor contents abo...

  • Article
  • Open Access
6 Citations
3,057 Views
18 Pages

In this paper, an innovative method is proposed to improve the global path planning of Unmanned Surface Vehicles (USV) in complex sea areas, combining fluid mechanic calculations with an improved A* algorithm. This method not only generates smooth pa...

  • Article
  • Open Access
17 Citations
4,825 Views
19 Pages

15 June 2019

Mediterranean coastal lagoons and their peripheral areas often provide a collection of habitats for many species, and they often face significant threats from anthropogenic activities. Diverse human activities in such areas directly affect the spatio...

  • Communication
  • Open Access
14 Citations
1,768 Views
9 Pages

14 November 2023

A new dinuclear Gd(III) complex was synthesized and named [Gd2(L)4(Phen)2(H2O)2(DMF)2]·2H2O·2Cl (1). Here, L is the 6-phenylpyridine-2-carboxylate anion, Phen represents 1,10-phenanthroline, DMF is called N,N-dimethylformamide, and Cl&m...

  • Article
  • Open Access
10 Citations
3,488 Views
26 Pages

Comparison of Surface Solar Irradiance from Ground Observations and Satellite Data (1990–2016) over a Complex Orography Region (Piedmont—Northwest Italy)

  • Veronica Manara,
  • Elia Stocco,
  • Michele Brunetti,
  • Guglielmina Adele Diolaiuti,
  • Davide Fugazza,
  • Uwe Pfeifroth,
  • Antonella Senese,
  • Jörg Trentmann and
  • Maurizio Maugeri

26 November 2020

Climate Monitoring Satellite Application Facility (CM SAF) surface solar irradiance (SSI) products were compared with ground-based observations over the Piedmont region (north-western Italy) for the period 1990–2016. These products were SARAH-2...

  • Communication
  • Open Access
14 Citations
1,970 Views
10 Pages

28 February 2024

A new bis-Schiff base (L) Ca(II) complex, CaL, was synthesized by the reaction of calcium perchlorate tetrahydrate, 1,3-diamino-2-hydroxypropane, and 2-formyl phenoxyacetic acid in an ethanol–water (v:v = 2:1) solution and characterized by IR,...

  • Article
  • Open Access
9 Citations
3,963 Views
15 Pages

Purification Behavior of Zn(II) in Water by Magnesium Hydroxyapatite: Surface Complexation, and Dissolution–Precipitation

  • Nan Mo,
  • Zongqiang Zhu,
  • Yinian Zhu,
  • Yang Liu,
  • Xingxing Wang,
  • Hongqu Yang and
  • Ningning Zhao

As an innovative and economical material, hydroxyapatite does little harm to the environment. In this study, a magnesium hydroxyapatite (Mg-HAP) adsorbent was prepared by doping magnesium. Magnesium doping can increase the hydroxyl groups on the surf...

  • Article
  • Open Access
19 Citations
4,824 Views
13 Pages

6 August 2019

An unexpected trinuclear Co(II) complex, [Co3(L2)2(μ-OAc)2(CH3OH)2]·2CH3OH (H2L2 = 4,4′-dibromo-2,2′-[ethylenedioxybis(nitrilomethylidyne)]diphenol) constructed from a half-Salamo-based ligand (HL1 = 2-[O-(1-ethyloxyamide)]oxime...

  • Article
  • Open Access
21 Citations
3,561 Views
15 Pages

Novel Pb(II) Complexes: X-Ray Structures, Hirshfeld Surface Analysis and DFT Calculations

  • Ghodrat Mahmoudi,
  • Saikat Kumar Seth,
  • Antonio Bauza Riera,
  • Fedor Ivanovich Zubkov and
  • Antonio Frontera

2 July 2020

Herein we report the synthesis and detailed structural characterization of two new centrosymmetric dinuclear coordination compounds of Pb(II) [Pb2L2(NCS)4] (1) and [Pb2L2(NO3)4]∙2MeOH (2), using the organic ligand 1,2-diphenyl-1,2-bis((methyl(pyridin...

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