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3,432 Results Found

  • Article
  • Open Access
12 Citations
6,781 Views
19 Pages

2 September 2020

To determine the effectiveness of the retention capacity utilization of traditional and innovative drainage systems equipped with damming partitions, the detailed model tests were carried out. The research results allowed indicating what values of th...

  • Article
  • Open Access
12 Citations
6,815 Views
22 Pages

19 March 2017

Regions dependent on agricultural production are concerned about the uncertainty associated with climate change. Extreme drought and flooding events are predicted to occur with greater frequency, requiring mitigation strategies to reduce their negati...

  • Systematic Review
  • Open Access
31 Citations
11,243 Views
30 Pages

4 March 2022

Attachment systems (AS) enhance retention and stability by anchoring the overdentures to implants. Since 2002, the McGill consensus statement recommends the 2-implant-retained overdentures as the standard choice for edentulous mandible (2-IRMO). Cons...

  • Communication
  • Open Access
4 Citations
2,436 Views
9 Pages

Obtaining an ideal solvent system for target compounds is still an obstacle to the wide application of high-speed counter-current chromatography (HSCCC). The partition coefficient and retention of the stationary phase are two key parameters for solve...

  • Article
  • Open Access
777 Views
18 Pages

22 October 2025

Water scarcity poses a critical constraint to sustainable agriculture, particularly in small-scale systems that rely on traditional irrigation methods. Although organic matter (OM) is known to enhance soil structure and water-holding capacity, quanti...

  • Article
  • Open Access
13 Citations
3,206 Views
20 Pages

23 July 2021

Conservation agriculture (CA) involving zero tillage, crop diversification, and residue retention is considered a panacea for several interrelated problems in agricultural production. However, in the mixed crop-livestock production systems of the dry...

  • Article
  • Open Access
9 Citations
3,697 Views
20 Pages

Development of Novel Unfolding Film System of Itopride Hydrochloride Using Box-Behnken Design—A Gastro Retentive Approach

  • Shaima Alaithan,
  • Nimbagal Raghavendra Naveen,
  • Prakash S. Goudanavar,
  • Penmetsa Durga Bhavani,
  • Beveenahalli Ramesh,
  • Naga Prashant Koppuravuri,
  • Santosh Fattepur,
  • Nagaraja Sreeharsha,
  • Anroop B. Nair and
  • Bandar E. Aldhubiab
  • + 2 authors

10 August 2022

Currently, gastro-retentive dosage forms achieved a remarkable position among the oral drug delivery systems. This is a broadly used technique to hold the drug delivery systems for a long duration in the gastro intestine (GI) region, slow drug delive...

  • Article
  • Open Access
1 Citations
1,231 Views
25 Pages

Weed Abundance, Seed Bank in Different Soil Tillage Systems, and Straw Retention

  • Sinkevičienė Aušra,
  • Bogužas Vaclovas,
  • Sinkevičius Alfredas,
  • Steponavičienė Vaida,
  • Anicetas Lenkis and
  • Kimbirauskienė Rasa

30 April 2025

Comprehensive studies are needed to investigate the diversity, abundance, and seed bank of weeds in winter wheat, spring barley, and spring oilseed rape crops due to a lack of experimental studies. Tillage has a long-term impact on agroecosystems. Si...

  • Article
  • Open Access
15 Citations
3,427 Views
22 Pages

Numerical Modelling of the Fire Extinguishing Gas Retention in Small Compartments

  • Sylwia Boroń,
  • Wojciech Węgrzyński,
  • Przemysław Kubica and
  • Lech Czarnecki

15 February 2019

Active fire protection systems are critical elements of good process safety. Among them, gaseous extinguishing systems provide quick, clean suppression and prolonged protection due to long retention process of the gas. Standard design methods do not...

  • Article
  • Open Access
13 Citations
5,790 Views
20 Pages

Comparison of Various Chromatographic Systems for Analysis of Cytisine in Human Serum, Saliva and Pharmaceutical Formulation by HPLC with Diode Array, Fluorescence or Mass Spectrometry Detection

  • Karol Wróblewski,
  • Anna Petruczynik,
  • Tomasz Tuzimski,
  • Dominika Przygodzka,
  • Grzegorz Buszewicz,
  • Patrycjusz Kołodziejczyk and
  • Piotr Tutka

16 July 2019

Background: Identification and quantitative determination of cytisine, especially in biological samples and pharmaceutical formulations, is still a difficult analytical task. Cytisine is an alkaloid with a small and very polar molecule. For this reas...

  • Article
  • Open Access
2 Citations
2,336 Views
22 Pages

A Study on the Effect of O2 Diffusion on the Retention Time of Inert Agents

  • GoonHo Kim,
  • Ju-Hong Cha,
  • Jee-Hun Jeong and
  • Ho-Jun Lee

24 September 2020

Gaseous agents are widely used in fire extinguishing systems (FESs) when water extinguishing agents are unavailable. The extinguishing ability of the FES-gaseous agent is determined by the retention time (hold time) at which its concentration is main...

  • Article
  • Open Access
6 Citations
4,242 Views
15 Pages

18 August 2023

Stormwater tree pits with storage elements enable the irrigation of urban trees and can potentially act as decentralized rainwater retention basins. This paper mainly focuses on analyzing this potential. Field tests were conducted to investigate the...

  • Article
  • Open Access
4 Citations
3,818 Views
16 Pages

Mitigation of the Water Crisis in Sub-Saharan Africa: Construction of Delocalized Water Collection and Retention Systems

  • Adolfo F. L. Baratta,
  • Laura Calcagnini,
  • Abdoulaye Deyoko,
  • Fabrizio Finucci,
  • Antonio Magarò and
  • Massimo Mariani

4 February 2021

This paper presents the results of a three-year research project aimed at addressing the issue of water shortage and retention/collection in drought-affected rural areas of Sub-Saharan Africa. The project consisted in the design, construction, and th...

  • Article
  • Open Access
112 Citations
27,884 Views
14 Pages

6 July 2019

Rainwater harvesting (RWH) systems have many benefits being an effective alternative water supply solution, not only in arid and semi-arid regions. Also, these systems can be useful in the reduction of flood risk in urban areas. Nevertheless, most of...

  • Feature Paper
  • Article
  • Open Access
16 Citations
6,326 Views
16 Pages

An Innovative Design of an Integrated MED-TVC and Reverse Osmosis System for Seawater Desalination: Process Explanation and Performance Evaluation

  • Omer Mohamed Abubaker Al-hotmani,
  • Mudhar Abdul Alwahab Al-Obaidi,
  • Yakubu Mandafiya John,
  • Raj Patel and
  • Iqbal Mohammed Mujtaba

20 May 2020

In recent times two or more desalination processes have been combined to form integrated systems that have been widely used to resolve the limitations of individual processes as well as producing high performance systems. In this regard, a simple int...

  • Article
  • Open Access
12 Citations
2,876 Views
29 Pages

Wetland Management in Recharge Regions of Regional Groundwater Flow Systems with Water Shortage, Nyírség Region, Hungary

  • Szilvia Simon,
  • Judit Déri-Takács,
  • Márk Szijártó,
  • László Szél and
  • Judit Mádl-Szőnyi

13 October 2023

Climate change and increasing human impacts are more emphasised in recharge regions, where the main flow direction is downward, resulting in negative water balance. Two wetlands located in the recharge position of regional groundwater flow systems we...

  • Article
  • Open Access
17 Citations
3,808 Views
23 Pages

Expandable Drug Delivery Systems Based on Shape Memory Polymers: Impact of Film Coating on Mechanical Properties and Release and Recovery Performance

  • Marco Uboldi,
  • Chiara Pasini,
  • Stefano Pandini,
  • Francesco Baldi,
  • Francesco Briatico-Vangosa,
  • Nicoletta Inverardi,
  • Alessandra Maroni,
  • Saliha Moutaharrik,
  • Alice Melocchi and
  • Andrea Gazzaniga
  • + 1 author

Retentive drug delivery systems (DDSs) are intended for prolonged residence and release inside hollow muscular organs, to achieve either local or systemic therapeutic goals. Recently, formulations based on shape memory polymers (SMPs) have gained att...

  • Article
  • Open Access
3,110 Views
13 Pages

To facilitate climate change adaptations and water management, estimates of precipitation retention time (time required for precipitation to reach a lake) can help to accurately determine a water body’s terrestrial water storage capacity and wa...

  • Article
  • Open Access
6 Citations
4,537 Views
14 Pages

7 May 2020

Subsurface drainage is a common water management practice in rural areas whose soil has poor permeability and where the groundwater table is periodically high. In addition, drainage systems are used to prevent waterlogging and flooding. The aim of th...

  • Feature Paper
  • Article
  • Open Access
64 Citations
10,910 Views
19 Pages

Improving the Multi-Objective Performance of Rainwater Harvesting Systems Using Real-Time Control Technology

  • Wei D. Xu,
  • Tim D. Fletcher,
  • Hugh P. Duncan,
  • David J. Bergmann,
  • Jeddah Breman and
  • Matthew J. Burns

2 February 2018

Many studies have identified the potential of rainwater harvesting (RWH) systems to simultaneously augment potable water supply and reduce delivery of uncontrolled stormwater flows to downstream drainage networks. Potentially, such systems could also...

  • Article
  • Open Access
1 Citations
2,599 Views
24 Pages

Fuzzy Memory Networks and Contextual Schemas: Enhancing ChatGPT Responses in a Personalized Educational System

  • Christos Troussas,
  • Akrivi Krouska,
  • Phivos Mylonas,
  • Cleo Sgouropoulou and
  • Ioannis Voyiatzis

Educational AI systems often do not employ proper sophistication techniques to enhance learner interactions, organize their contextual knowledge or even deliver personalized feedback. To address this gap, this paper seeks to reform the way ChatGPT su...

  • Article
  • Open Access
20 Citations
6,509 Views
19 Pages

19 December 2020

Organic matter, nutrients, and chemicals are some of the waste materials found in most domestic wastewaters. The purpose of this research was to evaluate the potentials of Pistia stratiotes, Salvinia molesta, and Eichhornia crassipes aquatic weed pla...

  • Review
  • Open Access
2,567 Views
12 Pages

Vitamin C, a water-soluble micronutrient, is one of the most widely used dietary supplements pertaining to its vital role in maintaining overall human health, particularly through its potent antioxidant and immune-supportive functions. This mini revi...

  • Article
  • Open Access
4 Citations
2,086 Views
18 Pages

Does Increasing the Diversity of Small Grain Cropping Systems Improve Aggregate Stability and Soil Hydraulic Properties?

  • Hans W. Klopp,
  • Jay D. Jabro,
  • Brett L. Allen,
  • Upendra M. Sainju,
  • William B. Stevens and
  • Sadikshya R. Dangi

8 June 2023

Wheat (Triticum aestivium L.) and barley (Hordeum vulgare L.) are two commonly grown cereal crops in the northern Great Plains. Adding other crops such as field pea (Pisum Sativum L.), canola (Brassica napus L.), or camelina (Camelina sativa L.) to w...

  • Article
  • Open Access
30 Citations
8,160 Views
16 Pages

Design and In Vivo Pharmacokinetic Evaluation of Triamcinolone Acetonide Microcrystals-Loaded PLGA Microsphere for Increased Drug Retention in Knees after Intra-Articular Injection

  • Myoung Jin Ho,
  • Hoe Taek Jeong,
  • Sung Hyun Im,
  • Hyung Tae Kim,
  • Jeong Eun Lee,
  • Jun Soo Park,
  • Ha Ra Cho,
  • Dong Yoon Kim,
  • Young Wook Choi and
  • Joon Woo Lee
  • + 2 authors

A novel polymeric microsphere (MS) containing micronized triamcinolone acetonide (TA) in a crystalline state was structured to provide extended drug retention in joints after intra-articular (IA) injection. Microcrystals with a median diameter of 1.7...

  • Essay
  • Open Access
922 Views
17 Pages

21 November 2025

Background/Objectives: The global shortage of healthcare professionals has exacerbated ethical and organizational challenges that threaten the sustainability of health systems. High turnover rates, combined with the emigration and attrition of qualif...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,042 Views
19 Pages

Advanced Graphical–Analytical Method of Pipe Tank Design Integrated with Sensitivity Analysis for Sustainable Stormwater Management in Urbanized Catchments

  • Bartosz Szeląg,
  • Adam Kiczko,
  • Anna Musz-Pomorska,
  • Marcin K. Widomski,
  • Jacek Zaburko,
  • Grzegorz Łagód,
  • David Stránský and
  • Marek Sokáč

9 April 2021

Pipe tanks represent important runoff retention elements of urban stormwater systems. They enable us to reduce and retain runoff as well as to mitigate peak flows in the network. Pipe tanks are often taken into account while designing the spatial pla...

  • Article
  • Open Access
1,420 Views
12 Pages

Exploring Endogenous Processes in Water Supply Systems: Insights from Statistical Methods and δ18O Analysis

  • Nikolina Novotni-Horčička,
  • Tamara Marković,
  • Ivan Kovač and
  • Igor Karlović

16 May 2024

Water used for water supply undergoes numerous changes that affect its composition prior to entering the water supply system (WSS). Once it enters the WSS, it is subject to numerous influences altering its physical and chemical composition, redox pot...

  • Article
  • Open Access
10 Citations
3,900 Views
15 Pages

Wetting and drying (W-D) cycles are responsible for significant changes in soil structure. Soil often undergoes irreversible changes affecting infiltration and solute retention through W-D cycles. Thus, it becomes essential to evaluate how soils unde...

  • Article
  • Open Access
177 Views
15 Pages

19 December 2025

With global climate changing, numerous cities have a rise in the frequency of heavy rainfall events. Concurrently, the rapid urbanization is increasing the impermeable surfaces, heightening the vulnerability to cope with flooding of urban stormwater...

  • Article
  • Open Access
13 Citations
3,355 Views
15 Pages

Study of the Filtration Performance of Multilayer and Multiscale Fibrous Structures

  • Vânia Pais,
  • Carlos Mota,
  • João Bessa,
  • José Guilherme Dias,
  • Fernando Cunha and
  • Raul Fangueiro

24 November 2021

As the incidence of small-diameter particles in the air has increased in recent decades, the development of efficient filtration systems is both urgent and necessary. Nanotechnology, more precisely, electrospun nanofibres, has been identified as a po...

  • Article
  • Open Access
4 Citations
2,397 Views
23 Pages

1 February 2025

Constructed wetland systems (CWSs) can offer cost-effective wastewater treatment in developing countries like Pakistan. This study focused on optimizing design and operational parameters of CWSs in horizontal surface flow (HSF), vertical surface flow...

  • Review
  • Open Access
750 Views
67 Pages

Chemical Transformations and Papermaking Potential of Recycled Secondary Cellulose Fibers for Circular Sustainability

  • Corina-Iuliana Pătrăucean-Patrașcu,
  • Dan-Alexandru Gavrilescu and
  • Maria Gavrilescu

10 December 2025

The papermaking and recycling industries face increasing demands to improve efficiency, product quality, and environmental performance under conditions of water closure and high furnish variability. This study presents a comprehensive assessment of p...

  • Article
  • Open Access
2 Citations
2,681 Views
15 Pages

Many researchers have suggested improving the retention of a user in the digital platform using a recommender system. Recent studies show that there are many potential ways to assist users to find interesting items, other than high-precision rating p...

  • Article
  • Open Access
3 Citations
4,137 Views
13 Pages

Background/Objectives: The development of targeted drug delivery systems for active pharmaceutical ingredients with narrow absorption windows is crucial for improving their bioavailability. This study proposes a novel 3D-printed expandable drug deliv...

  • Article
  • Open Access
40 Citations
5,656 Views
16 Pages

5 March 2019

This study investigated the symbiotic structure relationship between mixed algae and activated sludge while treating high-load printing and dyeing wastewater under natural light. The effects of hydraulic retention time (HRT) (12 h, 16 h and 20 h) and...

  • Article
  • Open Access
21 Citations
10,913 Views
17 Pages

An Analysis of Stormwater Management Variants in Urban Catchments

  • Mariusz Starzec,
  • Józef Dziopak and
  • Daniel Słyś

20 February 2020

In order to identify the most effective variants for reducing flood risk in cities and to provide protection for water resources, an in-depth study was carried out. The research results allowed for the identification of sustainable drainage infrastru...

  • Article
  • Open Access
8 Citations
3,772 Views
19 Pages

Enclosure aquaculture is a healthy and ecological aquaculture pattern developed in recent years to relieve the pressure due to the wild fish stock decline and water pollution. The object of this paper was a floating rope enclosure, which mainly consi...

  • Article
  • Open Access
1 Citations
3,714 Views
24 Pages

Awareness to Action: Student Knowledge of and Responses to an Early Alert System

  • Megan N. Imundo,
  • Maria Goldshtein,
  • Micah Watanabe,
  • Jiachen Gong,
  • Devon Nicole Crosby,
  • Rod D. Roscoe,
  • Tracy Arner and
  • Danielle S. McNamara

4 June 2025

Introduction: Student retention is a critical issue in higher education. Universities have responded by implementing supports like early alert systems. Objective: We investigated students’ knowledge of and experiences with an early alert system...

  • Article
  • Open Access
2 Citations
5,229 Views
16 Pages

16 November 2024

A critical shortage of special education teachers persists nationwide, challenging the realization of the Individuals with Disabilities Education Act (IDEA) mandate of providing Free and Appropriate Public Education (FAPE) for students with disabilit...

  • Review
  • Open Access
4 Citations
7,471 Views
17 Pages

2 October 2023

Antibodies (mAbs) are attractive molecules for their application as a diagnostic and therapeutic agent for diseases of the central nervous system (CNS). mAbs can be generated to have high affinity and specificity to target molecules in the CNS. Unfor...

  • Article
  • Open Access
11 Citations
5,643 Views
23 Pages

27 January 2022

Around the world, there is growing interest in the use of rainwater retention, and in particular channel retention, as part of urban drainage systems. This is made possible by means of intentional damming of rainwater in the existing sewer collectors...

  • Article
  • Open Access
41 Citations
6,976 Views
20 Pages

26 June 2020

Bioelectrochemical systems (BES) have the potential to deliver energy-neutral wastewater treatment. Pilot-scale tests have proven that they can operate at low temperatures with real wastewaters. However, volumetric treatment rates (VTRs) have been lo...

  • Article
  • Open Access
2 Citations
4,727 Views
29 Pages

Predicting Student Dropout from Day One: XGBoost-Based Early Warning System Using Pre-Enrollment Data

  • Blanca Carballo-Mendívil,
  • Alejandro Arellano-González,
  • Nidia Josefina Ríos-Vázquez and
  • María del Pilar Lizardi-Duarte

21 August 2025

Student dropout remains a critical challenge in higher education, especially within public universities that serve diverse and vulnerable populations. This research presents the design and evaluation of an early warning system based on an XGBoost cla...

  • Review
  • Open Access
82 Citations
10,856 Views
36 Pages

30 September 2021

There have been many efforts to improve oral drug bioavailability and therapeutic efficacy and patient compliance. A variety of controlled-release oral delivery systems have been developed to meet these needs. Gastroretentive drug delivery technologi...

  • Article
  • Open Access
39 Citations
9,878 Views
23 Pages

12 April 2020

Coastal sand dunes are highly dynamic aeolian landforms where different spatial patterns can be observed due to the complex interactions and relationships between landforms and land cover. Sediment distribution related to vegetation types is explored...

  • Article
  • Open Access
992 Views
20 Pages

Soil Physical–Hydraulic Properties in Different Rotational Silvopastoral Systems: A Short-Term Study

  • Osvaldo Viu Serrano Junior,
  • Zigomar Menezes de Souza,
  • Diego Alexander Aguilera Esteban,
  • Leila Pires Bezerra,
  • Euriana Maria Guimarães,
  • Renato Paiva de Lima,
  • Cácio Luiz Boechat and
  • Reginaldo Barboza da Silva

15 May 2025

Livestock production systems can negatively affect soil structure, resulting in negative changes in physical–hydraulic properties, compromising soil functioning and productivity. This research aimed to evaluate the effects of rotational silvopa...

  • Article
  • Open Access
4 Citations
2,787 Views
10 Pages

28 March 2020

In this paper, a microparticle system consisting of cationic polyacrylamide (CPAM) and anionic spherical polyelectrolyte brushes (ASPB) is proposed to improve the retention of pulp suspension containing bleached reed kraft pulp and precipitated calci...

  • Article
  • Open Access
5 Citations
3,052 Views
17 Pages

1 August 2024

Addressing the high friction and torque challenges encountered in drilling processes for high-displacement wells, horizontal wells, and directional wells, we successfully synthesized OAG, a high-temperature and high-salinity drilling fluid lubricant,...

  • Article
  • Open Access
28 Citations
4,482 Views
15 Pages

Hydrogen and Methane Production from Anaerobic Co-Digestion of Sorghum and Cow Manure: Effect of pH and Hydraulic Retention Time

  • Margarita A. Dareioti,
  • Konstantina Tsigkou,
  • Aikaterini I. Vavouraki and
  • Michael Kornaros

The need for alternative energy sources is constantly growing worldwide, while the focus has shifted to the valorization of biomass. The aim of the present study was to determine the optimal pH and hydraulic retention time (HRT) values for treating a...

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