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1,528 Results Found

  • Article
  • Open Access
2 Citations
937 Views
19 Pages

Impact of Deep Shale Gas Dense-Cutting Fracturing Parameters on EUR

  • Tianyi Wang,
  • Guofa Ji,
  • Jiansheng Liu and
  • Zelong Xie

31 December 2024

Deep shale formations pose significant challenges in forming high-conductivity fractures, leading to low ultimate recoverable reserves (EUR) per well under conventional fracturing techniques. Dense-cutting fracturing is a commonly employed method to...

  • Article
  • Open Access
15,906 Views
14 Pages

EUR/USD Exchange Rate Characterization: Study of Events

  • Jorge Carvalho,
  • Gualter Couto and
  • Pedro Pimentel

24 November 2022

This study aims to evaluate the impact of major and minor changes in the Euro Zone and US interest rates on the EUR/USD exchange rate between 1 January 1999 and 31 December 2020. Therefore, twelve events are analyzed in this period, five related to c...

  • Article
  • Open Access
16 Citations
3,761 Views
19 Pages

Assessing the Effectiveness of Pirfenidone in Idiopathic Pulmonary Fibrosis: Long-Term, Real-World Data from European IPF Registry (eurIPFreg)

  • Ekaterina Krauss,
  • Silke Tello,
  • Jochen Wilhelm,
  • Johanna Schmidt,
  • Mark Stoehr,
  • Werner Seeger,
  • Ruth C. Dartsch,
  • Bruno Crestani and
  • Andreas Guenther

22 November 2020

Background: Idiopathic pulmonary fibrosis (IPF) is a chronic progressive fibrotic pulmonary disease with rising incidence. In this study the effectiveness of pirfenidone, as measured by longitudinal change in individual slope of forced vital capacity...

  • Article
  • Open Access
1 Citations
1,184 Views
22 Pages

EUR Prediction for Shale Gas Wells Based on the ROA-CatBoost-AM Model

  • Weikang He,
  • Xizhe Li,
  • Yujin Wan,
  • Honming Zhan,
  • Nan Wan,
  • Sijie He,
  • Yaoqiang Lin,
  • Longyi Wang,
  • Wenxuan Yu and
  • Liqing Chen

18 February 2025

Shale gas is a critical energy resource, and estimating its ultimate recoverable reserves (EUR) is a key indicator for evaluating the development potential and effectiveness of gas wells. To address the challenges in accurately predicting shale gas E...

  • Article
  • Open Access
22 Citations
4,159 Views
16 Pages

Clinical and Functional Characteristics of Patients with Unclassifiable Interstitial Lung Disease (uILD): Long-Term Follow-Up Data from European IPF Registry (eurIPFreg)

  • Ekaterina Krauss,
  • Mustapha El-Guelai,
  • Joern Pons-Kuehnemann,
  • Ruth C. Dartsch,
  • Silke Tello,
  • Martina Korfei,
  • Poornima Mahavadi,
  • Andreas Breithecker,
  • Ludger Fink and
  • Mark Stoehr
  • + 4 authors

3 August 2020

(1) Aim of the study: In spite of extensive research, up to 20% of interstitial lung diseases (ILD) patients cannot be safely classified. We analyzed clinical features, progression factors, and outcomes of unclassifiable ILD (uILD). (2) Methods: A to...

  • Article
  • Open Access
991 Views
21 Pages

30 September 2025

The estimated ultimate recovery (EUR) is an important parameter for forecasting oil and gas production and informing decisions regarding field development strategies. In this study, we combined site-specific geologic, completion, and operational para...

  • Article
  • Open Access
2 Citations
4,377 Views
20 Pages

11 November 2022

The purpose of this paper is to investigate how well contemporary exchange rate theories explain fluctuations in exchange rates of emerging economies, before and after the Global Financial Crisis (GFC). As an example, the EUR/PLN exchange rate in 199...

  • Article
  • Open Access
4 Citations
1,305 Views
18 Pages

Research on Geological-Engineering Integration Numerical Simulation Based on EUR Maximization Objective

  • Haoqi Chen,
  • Hualin Liu,
  • Cheng Shen,
  • Weiyang Xie,
  • Taixin Liu,
  • Junfu Zhang,
  • Jiangnuo Lu,
  • Zhenglan Li and
  • Yu Peng

24 July 2024

Shale gas reservoirs, as representative reservoirs in the Sichuan Basin, have attracted widespread attention regarding development. Using gas reservoir numerical simulation to assist development has greatly improved the work efficiency of workers. Ho...

  • Article
  • Open Access
6 Citations
2,883 Views
16 Pages

Machine Learning-Based Research for Predicting Shale Gas Well Production

  • Nijun Qi,
  • Xizhe Li,
  • Zhenkan Wu,
  • Yujin Wan,
  • Nan Wang,
  • Guifu Duan,
  • Longyi Wang,
  • Jing Xiang,
  • Yaqi Zhao and
  • Hongming Zhan

12 May 2024

The estimated ultimate recovery (EUR) of a single well must be predicted to achieve scale-effective shale gas extraction. Accurately forecasting EUR is difficult due to the impact of various geological, engineering, and production factors. Based on d...

  • Article
  • Open Access
8 Citations
3,423 Views
14 Pages

The present study used transfer entropy and effective transfer entropy to examine the asymmetric information flow between exchange rates, oil, and gold. The dataset is composed of daily data covering the period of 1 January 2018 to 31 December 2021....

  • Article
  • Open Access
6 Citations
2,157 Views
18 Pages

17 February 2023

Gas reservoir numerical simulation is an important method to optimize the development strategy of shale gas reservoirs which has been influenced by the multi-stage fracture. The regular fracture network model was used to build a conventional numerica...

  • Article
  • Open Access
57 Citations
14,291 Views
16 Pages

Next Generation Air Quality Platform: Openness and Interoperability for the Internet of Things

  • Alexander Kotsev,
  • Sven Schade,
  • Massimo Craglia,
  • Michel Gerboles,
  • Laurent Spinelle and
  • Marco Signorini

18 March 2016

The widespread diffusion of sensors, mobile devices, social media and open data are reconfiguring the way data underpinning policy and science are being produced and consumed. This in turn is creating both opportunities and challenges for policy-maki...

  • Article
  • Open Access
1 Citations
1,349 Views
13 Pages

Zur Farbreaktion von Amiloridhydrochlorid Ph. Eur.

  • Klaus Görlitzerl,
  • Silke Huth,
  • Peter G. Jones,
  • Edith Gößnitzer and
  • Winfried Wendelin

28 December 2001

The reaction of amiloride hydrochloride (1.HCI) with bromine in alkaline solution generated a yellow-brown dehydrogenation product, which tumed out as 3-(3-amino-I,2,4-oxadiazol-5-yl)-5-chloro-2,6-pyrazinediamine (2). The structure was deduced from t...

  • Article
  • Open Access
2 Citations
9,349 Views
17 Pages

30 April 2025

Predicting foreign exchange prices is a challenging yet important task due to the complex, volatile, and fluctuating nature of the data. Although deep learning models are efficient, accurate predictions of closing prices and future price directions r...

  • Article
  • Open Access
16 Citations
4,584 Views
16 Pages

Exhalative Breath Markers Do Not Offer for Diagnosis of Interstitial Lung Diseases: Data from the European IPF Registry (eurIPFreg) and Biobank

  • Ekaterina Krauss,
  • Maike Froehler,
  • Maria Degen,
  • Poornima Mahavadi,
  • Ruth C. Dartsch,
  • Martina Korfei,
  • Clemens Ruppert,
  • Werner Seeger and
  • Andreas Guenther

Background: New biomarkers are urgently needed to facilitate diagnosis in Interstitial Lung Diseases (ILD), thus reducing the need for invasive procedures, and to enable tailoring and monitoring of medical treatment. Methods: In this study we investi...

  • Article
  • Open Access
34 Citations
7,296 Views
29 Pages

20 April 2020

A recent study by the Wall Street Journal reveals that the hydrofractured horizontal wells in shales have been producing less than the industrial forecasts with the empirical hyperbolic decline curve analysis (DCA). As an alternative to DCA, we intro...

  • Article
  • Open Access
887 Views
18 Pages

Pulmonary Hypertension Drives Prognosis in Idiopathic Pulmonary Fibrosis: Insights from the European IPF Registry

  • Andreas Guenther,
  • Silke Tello,
  • Marc Carre Schoppe,
  • Joern Pons-Kuehnemann,
  • Werner Seeger,
  • Johannes Stiben,
  • Khodr Tello,
  • Maria Molina Molina,
  • Carlo Vancheri and
  • Bruno Crestani
  • + 1 author

17 October 2025

Background/Objectives: In patients with idiopathic pulmonary fibrosis (IPF), a progressive disease characterized by lung tissue scarring, the impact of comorbidities is only partially understood. In particular, the prognostic implications of pulmonar...

  • Article
  • Open Access
14 Citations
3,840 Views
22 Pages

Comparative Analysis between Dynamic and Quasi-Steady-State Methods at an Urban Scale on a Social-Housing District in Venice

  • Tiziano Dalla Mora,
  • Lorenzo Teso,
  • Laura Carnieletto,
  • Angelo Zarrella and
  • Piercarlo Romagnoni

20 August 2021

The residential building stock represents one of the major players in energy use and greenhouse gas emissions; thus, it is fundamental to reduce the energy used. Simulation tools are becoming more and more accurate in compliance with the new requirem...

  • Article
  • Open Access
11 Citations
3,508 Views
18 Pages

Evaluation of Regional Pulmonary Ventilation in Spontaneously Breathing Patients with Idiopathic Pulmonary Fibrosis (IPF) Employing Electrical Impedance Tomography (EIT): A Pilot Study from the European IPF Registry (eurIPFreg)

  • Ekaterina Krauss,
  • Daniel van der Beck,
  • Isabel Schmalz,
  • Jochen Wilhelm,
  • Silke Tello,
  • Ruth C. Dartsch,
  • Poornima Mahavadi,
  • Martina Korfei,
  • Eckhard Teschner and
  • Werner Seeger
  • + 1 author

7 January 2021

Objectives: In idiopathic pulmonary fibrosis (IPF), alterations in the pulmonary surfactant system result in an increased alveolar surface tension and favor repetitive alveolar collapse. This study aimed to assess the usefulness of electrical impedan...

  • Article
  • Open Access
31 Citations
4,239 Views
13 Pages

16 October 2019

Background: There is an increasing interest in employing electronic nose technology in the diagnosis and monitoring of lung diseases. Interstitial lung diseases (ILD) are challenging in regard to setting an accurate diagnosis in a timely manner. Thus...

  • Article
  • Open Access
5 Citations
2,820 Views
18 Pages

5 November 2023

The vulnerability to coastal disasters resulting from storm surges and wave overtopping (WOT) during typhoon intrusions is significantly escalating due to rising sea levels. In particular, coastal seawalls constructed along the coast through engineer...

  • Article
  • Open Access
40 Citations
7,966 Views
12 Pages

18 June 2021

Analyzing the future behaviors of currency pairs represents a priority for governments, financial institutions, and investors, who use this type of analysis to understand the economic situation of a country and determine when to sell and buy goods or...

  • Article
  • Open Access
8 Citations
4,264 Views
28 Pages

A Markov-Switching VSTOXX Trading Algorithm for Enhancing EUR Stock Portfolio Performance

  • Oscar V. De la Torre-Torres,
  • Evaristo Galeana-Figueroa and
  • José Álvarez-García

In the present paper, we test the benefit of using Markov-Switching models and volatility futures diversification in a Euro-based stock portfolio. With weekly data of the Eurostoxx 50 (ESTOXX50) stock index, we forecasted the smoothed regime-specific...

  • Article
  • Open Access
15 Citations
4,001 Views
27 Pages

Deployment and Evaluation of a Network of Open Low-Cost Air Quality Sensor Systems

  • Philipp Schneider,
  • Matthias Vogt,
  • Rolf Haugen,
  • Amirhossein Hassani,
  • Nuria Castell,
  • Franck R. Dauge and
  • Alena Bartonova

11 March 2023

Low-cost air quality sensors have the potential to complement the regulatory network of air quality monitoring stations, with respect to increased spatial density of observations, however, their data quality continues to be of concern. Here we report...

  • Article
  • Open Access
3 Citations
1,994 Views
12 Pages

5 August 2022

Electrochemical low-cost sensors, suitable for the monitoring of different air quality parameters such as carbon monoxide or nitrogen dioxide levels, are viable tools for creating affordable handheld devices for short-term or dense air quality monito...

  • Article
  • Open Access
29 Citations
8,565 Views
23 Pages

Assessment of the Urban Heat Island Impact on Building Energy Performance at District Level with the EUReCA Platform

  • Pierdonato Romano,
  • Enrico Prataviera,
  • Laura Carnieletto,
  • Jacopo Vivian,
  • Michele Zinzi and
  • Angelo Zarrella

16 March 2021

In recent decades, the cooling energy demand in urban areas is increasing ever faster due to the global warming and the growth of developing economies. In this perspective, the urban building energy modelling community is focusing its research activi...

  • Article
  • Open Access
495 Views
15 Pages

The Patient Journey in Interstitial Lung Disease: Mobility, Independence, and Psychological Burden

  • Ekaterina Krauss,
  • Silke Tello,
  • Daniel Kuhlewey,
  • Poornima Mahavadi,
  • Claudia Scharmer,
  • Juergen Behr,
  • Andreas Guenther and
  • Gottfried Huss

8 December 2025

Background: Interstitial lung diseases (ILDs) profoundly affect daily life, limiting mobility, independence, and emotional stability. While antifibrotic therapies may slow physiological decline, the living experience—characterized by breathless...

  • Article
  • Open Access
1,080 Views
18 Pages

Dual Impacts of Lung Transplantation on the Recovery and Comorbidity of Interstitial Lung Diseases: A Longitudinal Assessment of the Benefits and Burden

  • Stefan Kuhnert,
  • Luise Wilke,
  • Janine Sommerlad,
  • Silke Tello,
  • Athiththan Yogeswaran,
  • Faeq Husain-Syed,
  • Anita Windhorst,
  • Andreas Guenther,
  • Matthias Hecker and
  • Ekaterina Krauss

11 September 2025

Background: Lung transplantation (LTx) is a life-saving intervention for patients with advanced interstitial lung disease (ILD), markedly improving pulmonary function, exercise capacity, and right heart function, yet it is often accompanied by increa...

  • Article
  • Open Access
2,192 Views
16 Pages

Study of Estimated Ultimate Recovery Prediction and Multi-Stage Supercharging Technology for Shale Gas Wells

  • Yanli Luo,
  • Jianying Yang,
  • Man Chen,
  • Liu Yang,
  • Hao Peng,
  • Jinyuan Liang and
  • Liming Zhang

The development of shale gas reservoirs often involves the utilization of horizontal well segmental multi-stage fracturing techniques. However, these reservoirs face challenges, such as rapid initial wellhead pressure and production decline, leading...

  • Review
  • Open Access
23 Citations
4,838 Views
16 Pages

The Evaluation and Sensitivity of Decline Curve Modelling

  • Prinisha Manda and
  • Diakanua Bavon Nkazi

1 June 2020

The development of prediction tools for production performance and the lifespan of shale gas reservoirs has been a focus for petroleum engineers. Several decline curve models have been developed and compared with data from shale gas production. To ac...

  • Article
  • Open Access
7 Citations
4,939 Views
26 Pages

Reduction of Wave Overtopping and Force Impact at Harbor Quays Due to Very Oblique Waves

  • Sebastian Dan,
  • Corrado Altomare,
  • Tomohiro Suzuki,
  • Tim Spiesschaert and
  • Toon Verwaest

Physical model experiments were conducted in a wave tank at Flanders Hydraulics Research, Antwerp, Belgium, to characterize the wave overtopping and impact force on vertical quay walls and sloping sea dike (1:2.5) under very oblique wave attack (angl...

  • Article
  • Open Access
13 Citations
7,958 Views
22 Pages

Forecast of Economic Tight Oil and Gas Production in Permian Basin

  • Wardana Saputra,
  • Wissem Kirati and
  • Tadeusz Patzek

22 December 2021

We adopt a physics-guided, data-driven method to predict the most likely future production from the largest tight oil and gas deposits in North America, the Permian Basin. We first divide the existing 53,708 horizontal hydrofractured wells into 36 sp...

  • Article
  • Open Access
21 Citations
6,222 Views
24 Pages

24 September 2019

We aim to replace the current industry-standard empirical forecasts of oil production from hydrofractured horizontal wells in shales with a statistically and physically robust, accurate and precise method of matching historic well performance and pre...

  • Correction
  • Open Access
408 Views
2 Pages

Correction: Rijpma et al. Wound and Short-Term Scar Outcomes of Meek Micrografting Versus Mesh Grafting: An Intra-Patient Randomized Controlled Trial. Eur. Burn J. 2025, 6, 26

  • Danielle Rijpma,
  • Karel Claes,
  • Anouk Pijpe,
  • Henk Hoeksema,
  • Ignace De Decker,
  • Jozef Verbelen,
  • Matthea Stoop,
  • Kimberly De Mey,
  • Febe Hoste and
  • Paul van Zuijlen
  • + 2 authors

In the original publication [...]

  • Article
  • Open Access
16 Citations
5,570 Views
12 Pages

Cost Analysis of Magnetic Resonance Imaging and Computed Tomography in Cardiology: A Case Study of a University Hospital Complex in the Euro Region

  • Francisco Reyes-Santias,
  • Carlos García-García,
  • Beatriz Aibar-Guzmán,
  • Ana García-Campos,
  • Octavio Cordova-Arevalo,
  • Margarita Mendoza-Pintos,
  • Sergio Cinza-Sanjurjo,
  • Manuel Portela-Romero,
  • Pilar Mazón-Ramos and
  • Jose Ramon Gonzalez-Juanatey

Introduction: In recent years, several hospitals have incorporated MRI equipment managed directly by their cardiology departments. The aim of our work is to determine the total cost per test of both CT and MRI in the setting of a Cardiology Departmen...

  • Article
  • Open Access
1 Citations
2,202 Views
15 Pages

30 May 2024

The objective of this observational, single-center, retrospective study conducted in a Spanish tertiary hospital was to describe the real-world (RW) healthcare resource utilization (HCRU) among patients with advanced non-small-cell lung cancer (aNSCL...

  • Article
  • Open Access
1 Citations
2,085 Views
13 Pages

Healthcare and Epidemiological Surveillance Costs of Hepatitis A Outbreaks in Spain in Regions with and without Universal Hepatitis A Vaccination of Children during 2010-2018

  • Pedro Plans-Rubió,
  • Carles Pericas,
  • Ana Maria Avellon,
  • Concepción Izquierdo,
  • Ana Martínez,
  • Núria Torner,
  • Alejandro Martínez,
  • Eva Borrás,
  • Francisco Roig and
  • Pere Godoy
  • + 1 author

11 June 2024

The aim of this study was to evaluate and compare hepatitis A outbreak-associated healthcare and epidemiological surveillance costs in Spain in two types of autonomous regions during 2010–2018: (1) regions with a prevention strategy based on un...

  • Article
  • Open Access
3 Citations
2,437 Views
30 Pages

We conducted 3D ecosystem model simulations over a 10-year period, supplemented by socio-economic data, to evaluate the ecosystem services provided by the large, shallow Oder/Szczecin Lagoon. Our analysis focused on three scenarios reflecting the pro...

  • Article
  • Open Access
4 Citations
14,849 Views
20 Pages

14 March 2025

The cosmetics industry requires a long-term, sustainable vision to reduce its impact on the environment. Within this process, packaging is of critical relevance, as it impacts the ecological footprint of products and determines consumers’ perce...

  • Article
  • Open Access
10 Citations
4,008 Views
14 Pages

Robotic-Assisted versus Laparoscopic Surgery for Rectal Cancer: An Analysis of Clinical and Financial Outcomes from a Tertiary Referral Center

  • Jasper Max Gebhardt,
  • Neno Werner,
  • Andrea Stroux,
  • Frank Förster,
  • Ioannis Pozios,
  • Claudia Seifarth,
  • Christian Schineis,
  • Benjamin Weixler,
  • Katharina Beyer and
  • Johannes Christian Lauscher

20 March 2024

Background: The popularity of robotic-assisted surgery for rectal cancer is increasing, but its superiority over the laparoscopic approach regarding safety, efficacy, and costs has not been well established. Methods: A retrospective single-center stu...

  • Article
  • Open Access
3 Citations
2,373 Views
15 Pages

Application of a Bio-Economic Model to Demonstrate the Importance of Health Traits in Herd Management of Lithuanian Dairy Breeds

  • Šarūnė Marašinskienė,
  • Rūta Šveistienė,
  • Barbara Kosińska-Selbi,
  • Christin Schmidtmann,
  • Jehan Frans Ettema,
  • Violeta Juškienė and
  • Morten Kargo

28 July 2022

Assessing the economic importance of traits is crucial for delivering appropriate breeding goals in dairy cattle breeding. The aim of the present study was to calculate economic values (EV) and assign the importance of health traits for three dairy c...

  • Article
  • Open Access
6 Citations
2,567 Views
13 Pages

Background: Hospital staffing shortages are again (mid-year 2021) becoming a significant problem as the number of positive COVID-19 cases continues to increase worldwide. Objective: To assess the costs of sending HCW into quarantine (Scenario 1) from...

  • Article
  • Open Access
789 Views
28 Pages

Life Cycle Cost Analysis of a Biomass-Driven ORC Cogeneration System for Medical Cannabis Greenhouse Cultivation

  • Chrysanthos Golonis,
  • Dimitrios Tyris,
  • Anastasios Skiadopoulos,
  • Dimitrios Bilalis and
  • Dimitris Manolakos

13 November 2025

Medical cannabis cultivation requires substantial energy for heating, lighting, and climate control. This study evaluates the economic feasibility of an innovative biomass-fired micro-CHP system in a greenhouse facility for medicinal cannabis cultiva...

  • Article
  • Open Access
6 Citations
5,726 Views
23 Pages

Price Cannibalization Effect on Long-Term Electricity Prices and Profitability of Renewables in the Baltic States

  • Paulius Kozlovas,
  • Saulius Gudzius,
  • Audrius Jonaitis,
  • Inga Konstantinaviciute,
  • Viktorija Bobinaite,
  • Saule Gudziute and
  • Gustas Giedraitis

31 July 2024

This paper aims to evaluate price cannibalization effects in forecasts of long-term electricity prices and substantiate their relevance on the profitability of renewables in the Baltic States from 2024 to 2033. Statistical data analysis, literature r...

  • Article
  • Open Access
19 Citations
3,409 Views
11 Pages

Pharmacoeconomic Analysis of the Different Therapeutic Approaches in Control of Bovine Mastitis: Phytotherapy and Antimicrobial Treatment

  • Zorana Kovačević,
  • Jovan Mihajlović,
  • Snežana Mugoša,
  • Olga Horvat,
  • Dragana Tomanić,
  • Nebojša Kladar and
  • Marko Samardžija

Mastitis in dairy cows is responsible for major economic losses on dairy farms worldwide as the most expensive and prevalent disease in dairy cattle. In spite of the fact that antibiotic therapy still remains the main treatment strategy for bovine ma...

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