172 research outputs found
Dataset for 'Effect of damping on performance of magnetostrictive vibration energy harvester'.
No full textSupporting Matlab M file - Code for modelling of Energy Harvester Access is currently subject to embargo (09/07/23). For more information please contact the corresponding author, Mojtaba Ghodsi
Corrigendum: Confirmatory factor analysis and gender invariance of the Persian version of psychological control scale: association with internalizing and externalizing behavior problems (Frontiers in Psychology, (2023), 14, (1128264), 10.3389/fpsyg.2023.1128264)
No full textCopyright © 2024 Habibi Asgarabad, Salehi Yegaei, Mokhtari, Izalnoo and Trejos-Castillo. cc-byIn the published article, there was an error in the correspondence details. As well as Pardis Salehi Yegaei, Mojtaba Habibi Asgarabad should also be listed as a corresponding author. The complete correspondence details are shown below: *Correspondence: Pardis Salehi Yegaei Mojtaba Habibi Asgarabad The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated
ORIGINAL ARTICLE Strategic Stakeholder Modelofthe Banking System, Mining: Bank SARMAYE Mojtaba Mali; Strategic Stakeholder Modelofthe Banking System, Mining: Bank SARMAYE
No full textABSTRACT Effective organization is an organization meet requires of its environmental components that continuity of organization survival requires to their supports. The Stakeholders analyze is important because it can be have an effective and influential role in the strategic management process of organization. The research problem is the major benefits conflict of the banks strategic stakeholders. The aim of this study is application and its method is descriptive -analytic. The statistical community for the Strategic stakeholders' research is Bank Sarmayeh Iran
How Do Experts Think? An Investigation of the Barriers to Internationalisation of SMEs in Iran
No full textNowadays, “internationalisation” is a topic of concern for many types of research on small and medium-sized enterprises (SMEs). SMEs pursue internationalization policy as a leading process to keep and improve their position in the competitive business markets. However, SMEs face many challenges that hinder the successful implementation of the internationalization process. This chapter aims to recognise the important barriers to internationalisation for Iranian SMEs. We conduct two studies using a combined exploratory and confirmatory approach. We apply the Delphi method for exploring and forecasting the key barriers in the first study. In the second study, we validate the key indicator employing a Structural Equation Modelling technique for the Confirmatory Factor Analysis of the survey data. In the Delphi method, a group of 24 managers and academic professors in Iran, identified the main barriers. A sample of 210 survey observations was collected from the owner and top managers, senior managers, and employees. The results suggest 8 key factors and 31 indicators of barriers to internationalisation associated with Iranian SMEs: informational, financial, marketing, functional, procedural, governmental, environmental and, tariff and non-tariff. This research contributes to the knowledge of critical obstacles concern for current and future business internationalisation, and the outcomes provide practical implications. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2021
Energy and Comfort Improvement in Architecture and Urban Planning using SOLARCHVISION
No full textZugleich gedruckt erschienen im Universitätsverlag der TU Berlin: ISBN 978-3-7983-2675-0; ISSN 2193-6099Aufgrund der Verfügbarkeit von Energie, Materialien und Technologien erhöht sich der Wohnkomfort in Gebäuden weltweit. Jedoch stehen wir auch vor dem Problem, dass Gebäude und Städte für einen hohen Anteil des weltweiten Energieverbrauchs verantwortlich sind. Umweltverschmutzung, Wärmeinseleffekte, Klimawandel und globale Erwärmung sind nur einige der vielen Herausforderungen, mit denen die menschliche Rasse, ebenso sowie alles weitere Leben auf der Erde, in Zukunft umgehen muss. In absehbarer Zeit wird diese komplexe globale Situation gründliche, ganzheitliche und örtliche Eingriffe erfordern. Dieses Buch richtet die Aufmerksamkeit auf die Sonne und dadurch auch darauf, wie ein solarklimatisches Konzept die Architektur und Stadtplanung beeinflussen und verbessern kann.
Es ist vielleicht noch nicht entdeckt worden wie klein unser Planet doch eigentlich ist und wie groß der Einfluss einer einfachen Entscheidung sein kann, aber vor allem ist es wichtig, dass die Sonne eine wichtige und immer währende Rolle in unserer dynamischen Atmosphäre spielt und dies als Grundlage bei der Suche von Lösungsansätzen erkannt und angewandt wird. Neben Architekten, Kunden und Bauherren sowie Planern, Kommunen und allen anderen Personen die Entscheidungen über die Planung treffen, spielen die in den Gebäuden und Städten Lebenden auch eine Rolle, nicht als Nutzer, sondern als Erzeuger und Betreuer, und auch sie haben eine gewisse Verantwortung. Daher sollten alle Optimierungen neuer Bauten, Modifikationen von Bestandsgebäuden und Stadtstrukturen auf globaler Ebene Bezug auf die Sonne und auf zukünftige Bedürfnisse nehmen. Das Ziel sollte es sein, die Energieeffizienz, Gesundheit, Komfort und Sicherheit in allen Lebensräumen, ob drinnen oder draußen, zu verbessern. In dieser Hinsicht sind die Analyse der aktuellen Situation, die Prognose zukünftiger Szenarien und die Entwicklung intelligenter Alternativen grundlegende Schritte.
Der Einsatz von modernen Baustoffen und Technologien sowie Simulationswerkzeugen kann die Energieeffizienz und Leistungsfähigkeit eines Gebäudes verbessern. Es ist jedoch wichtig zu verstehen wann, wo und wie sie am besten in der architektonischen Gestaltung angewendet werden können, um ein ansprechendes Layout mit einer hohen Leistung für eine Vielzahl von architektonischen Aspekten zu erreichen und in Bezug auf Energieeffizienz, Tageslichtversorgung und internen Komfort ein optimales Ergebnis zu erzielen. Obwohl heute viele schon das Anbringen von Solar-Kollektoren und PV-Modulen auf Gebäudedächern und Fassaden als "Solararchitektur" betrachten, ist dies nur eine der komplexen Aufgaben in diesem Feld der Architektur. Tatsächlich beinhaltet die Solararchitektur die gesamte Komplexität der Architektur auf unterschiedlichen Ebenen. Außerdem hat sie sehr genau auf bestimmte Sachverhalte zu reagieren, welche aus den vielerorts aktuell geringen Energiekosten anderer Energiequellen resultieren. Neben der Reduzierung von Baukosten sollten andere wertvolle Verbesserungen, resultierend aus solar klimatischen Überlegungen, im Entwurf hervorgehoben und verglichen werden. In der Tat kann eine Optimierung verschiedener Elemente während des Design-Prozesses, wie z.B. Solarflächen, Baukörpern und Bäumen, nicht notwendigerweise die Baukosten steigern, jedoch dabei helfen unnütze oder überdimensionierte Elemente zu identifizieren.
Neben der Verbesserung der Energieeffizienzaspekte einzelner Gebäude kann eine zuverlässige integrierte solarklimatische Planung zu weiteren Qualitäten der Lebensräume führen. Überall auf der Welt müssen wir uns auf mehr und mehr schockierende Nachrichten und jährliche Rekordwerte vorbereiten, wenn weiterhin viele Gebäude mit wenig Aufmerksamkeit auf die Sonne gebaut werden. In Stadtteilen auf urbaner Städteebene kann die unzureichende Analyse und unklare Entscheidungen über Baukörper und Orientierung die Potenziale und Leistung interner und externer Räume im Bezug auf Energieproduktion, Energiebedarf, Tageslicht, Gesundheit, Komfort und Sicherheit auf lange Zeit beeinflussen.
Dieses Buch enthält ein Jahrzehnt SOLARCHVISION Praktiken darüber, wie die Architektur und Stadtplanung mit dem konstanten Weg und den variablen Auswirkungen der Sonne an jedem Standort angepasst werden kann. Das Teilen dieser Vision kann Architekten, Stadtplanern und Kunden helfen, zielgenauere Entscheidungen über energie- und klimarelevante Fragen zu treffen. Nach der Vorstellung grundlegender Diagramme zu verschiedenen Städten auf der ganzen Welt (z.B. die Sonnenwege, Sonneneinstrahlung und Temperaturmodelle), wird die Rolle eines intelligenten Designs für die Gebäudehülle beschrieben und analysiert im Hinblick auf die Suche nach einer guten Verbindung zwischen Außen und Innen, sowie die direkte und indirekte Nutzung von Sonnenenergie auf verschiedenen Gebäudeflächen. Diese Untersuchungen können neue Ansichten und Strukturen für die Erbauung intelligenter Gebäude und anpassungsfähiger Städte hervorbringen.Thanks to the availability of energy, materials and technologies, the level of comfort in buildings is increasing around the world. However, today we are also facing buildings and cities that are responsible for a high percentage of global energy consumption. Pollution, heat island effect, climate change and global warming are just a few of the challenges that the human race, as well as other living matter on earth, will have to deal with in future. Moreover, as time goes by, we may not necessarily live in healthier conditions with better life styles. Within a limited period, this global and complex situation will need thorough, integrated and local surgery. This book is designed to draw greater attention to the sun and how a solar-climatic vision can influence and improve architectural design and urban planning.
It may not have been discovered yet how small our planet is and how big the effect of a simple decision can be, but it is nevertheless important to be reminded of the sun not only as a powerful and perpetual actor in our dynamic atmosphere but also as a basis for figuring out a variety of adaptive solutions that must be identified and followed. In addition to the changes made by architects, clients and builders as well as planners, municipalities and all other persons who make decisions on plans, the role of those who live inside buildings and cities, not as users, but as producers and maintainers, also bear a certain degree of responsibility. Therefore, the optimization of new constructions, the modification of existing buildings and urban fabric should be considered on a global scale in regard to the sun as well as our future needs. The aim should be to improve energy-efficiency, health, comfort and safety in all living spaces, whether indoors or outdoors. In this respect, the analysis of the current situation, forecasting future scenarios and the development of intelligent alternatives are fundamental steps.
In terms of energy efficiency, daylight provision and internal comfort, the use of advanced building materials and technologies as well as simulation tools can improve the building envelope and its performance. However, it is important to understand when, where and how they should best be applied to achieve an intelligent form as well as a responsive layout with a high level of performance for other essential aspects, too (e.g. structure, view, operation). Although today many consider “solar architecture” the attaching of solar thermal collectors and PVs to building roofs and facades, this is only one of the complex tasks which should be integrated in the design. In fact, solar architecture incorporates all the complexities of architecture on different scales. Besides, it has to respond accurately to certain issues resulting from the currently low price of other energy sources in many locations. In addition to the reduction of payments, other valuable improvements associated with solar-climatic considerations in the design should be clarified and compared. During the design process, an optimization (i.e. re-arrangement, re-orientation, re-sizing) of different elements, namely solar surfaces (i.e. transparent/opaque surfaces, shading/reflecting devices, collectors), building volumes and trees, does not necessarily increase the construction costs but can help identify deficient or over-designed elements.
Alongside improving the energy efficiency aspects of individual buildings, a solar-climatic vision in planning can lead to other qualities for the benefit of small and large-scale living spaces, whether indoors or outdoors. Around the world, we must be prepared for more shocking news and annual records if many continue to build buildings, whether cheap or expensive, with little attention to the sun. In neighborhoods on an urban scale, the insufficient analysis and inaccurate decisions regarding building volumes and orientation can affect the potentials and performance of both internal and external spaces in terms of energy production, energy demand, daylight, health, comfort and safety for long periods of time.
This book includes a decade of SOLARCHVISION practices on how architectural design and urban planning can be adapted by the constant path and variable effects of the sun in each location. Sharing such a vision can help architects, urban planners and clients to make more accurate decisions concerning energy and climate-related matters. After presenting fundamental diagrams in different cities around the world (e.g. the sun paths, solar radiation and temperature models), the role of an intelligent design for the building skin is described and analyzed in terms of finding a good relation between outside and inside as well as the direct and indirect collection of solar energy on different building surfaces. This research can bring about new appearances and structures for the creation of smart buildings and responsive cities
SOLARCHVISION Studies on Young Cities Project
No full textZugleich gedruckt veröffentlicht im Universitätsverlag der TU Berlin unter der ISBN 978-3-7983-2550-0.The natural as well as the artificial environment affect a building’s energy balance. Together with the vegetation and water bodies, these natural and artificial features produce microclimatic conditions that not only influence the energy-related aspects, but also the comfort conditions of a building. Alongside the effects of the natural environment in a microclimate, buildings interact on behalf of the received solar radiation and both the wind direction and speed; with the solar radiation, however, being the most influential factor. Buildings in an urban complex can, on the one hand, overshadow each other at different times of the day and year; on the other hand, they can reflect solar radiation and thus generate greater incidence on different surfaces, which is one of the key factors characterizing a building’s energy balance. In order to minimize the heating and cooling energy demands in continental climates, the building envelope (especially the transparent parts) must generate maximum solar gain during the heating period and minimum solar gain during the cooling period. The amount of solar heat reaching the different surfaces of the building’s thermal envelope at different times of the day and year depend on the orientation of each surface as well as the shading created by the surrounding natural and built environment. The urban form of a neighborhood unit, a building cluster and an individual building affect the solar heat gain both in regard of the surfaces’ orientation (orientation and form) as well as the urban form and composition of the neighborhood units, and influence the shading between buildings. Due to the fact that incident solar radiation play a positive role in winter but a negative one in summer, only the intensity of solar radiation incidence on the outer surfaces of a building throughout the whole year cannot contribute in an energy-efficient design. Therefore, the SolarVision has combined the amount of solar radiation and the air temperature as an energy-related factor. This factor presents the advantageous and disadvantageous characteristics of any surface from the viewpoint of received solar radiation at different times. This factor can be calculated and plotted for different surfaces in neighborhood units or for single buildings. The decisions that can be made based on this factor in urban planning and building design lead to energy-efficient buildings. The SolarVision analysis can contribute to energy efficiency in different scales from urban scale up to building and detail scale. Since the analysis of the urban and building form by SolarVision is a planning and design tool for energy efficiency, it does not increase the investment costs of the buildings since no further material or technology is needed. After a scientific introduction to SolarchVision analysis, this Young Cities Research Brief analysis the commercial mixed-use as well as New Generation Office Building regarding the intensity and duration of received solar radiation in different seasons
Uncertainty quantification for pavement life-cycle stages
No full textLife-cycle assessment (LCA), a common sustainability metric, is usually adopted to quantify the environmental consequences of a product. It has been shown that rolling resistance (RR), a major component of pavement LCA use stage, has significant impact on transportation-related energy consumption. Pavement related RR mainly includes pavement structure, surface roughness (or smoothness) and texture. This research aims at addressing current challenges in pavement LCA use stage. A robust framework is proposed to evaluate RR via developing models for pavement roughness- and structural-induced RR.
A roughness–speed impact (RSI) model was developed to quantify the energy and environmental impacts due to RR. The model uses vehicle-specific power as part of the pavement–vehicle interaction (PVI) analysis. According to the model, one unit change of IRI (1 m/km) results in 3% and 2% fuel consumption, respectively, at high and low speeds (105 and 56 km/h) for passenger cars.
In addition to the RSI model, the study proposes a practical approach to assess the vehicle excess fuel consumption (EFC) due to pavement deflection. The developed relationship relies on the fundamental energy-deformation principles obtained by conducting nonlinear regression analysis on 3-D finite element (FE) simulations. The proposed model is formulated using a quadratic form of maximum pavement deflection. Factors affect EFC includes, truck loading and speed and pavement temperature. It was found that the estimated EFC for a heavy truck could be as low as 0.03% for a half loaded truck at a temperature of 0 °C a speed of 115 km/h and as high as 6.5% for a fully loaded truck at a temperature of 40 °C and a speed of 8 km/h. This could be increased for low volume road pavement structure. At a speed of 100 km/h, a typical HS20-44 truck could consume an additional 0.5% fuel due to structural rolling resistance (SRR).
Uncertainty of pavement roughness has significant impact on the energy and emission output of the pavement-vehicle system depending on the precision level of the model used, input variabilities, and prior knowledge of the model parameters. When quantified uncertainties, successfully utilized in this study, are implemented, LCA parameters prediction would be improved.
The introduced RR models may be used as part of the decision-making for short-term energy and emission reduction policies.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2019-12-01The student, Mojtaba Ziyadi, accepted the attached license on 2017-12-05 at 10:01.The student, Mojtaba Ziyadi, submitted this Dissertation for approval on 2017-12-05 at 10:10.This Dissertation was approved for publication on 2017-12-05 at 17:05.DSpace SAF Submission Ingestion Package generated from Vireo submission #11853 on 2018-03-13 at 09:56:49Made available in DSpace on 2018-03-13T15:25:25Z (GMT). No. of bitstreams: 3
ZIYADI-DISSERTATION-2017.pdf: 5332309 bytes, checksum: 1a7563fce104ada44ae463279c7a08ee (MD5)
LICENSE.txt: 4211 bytes, checksum: cdafc8a8c6036bb239e80e4900e64bdc (MD5)
PROQUEST_LICENSE.txt: 4557 bytes, checksum: 676f45d4905a12fa897690fe1273c8af (MD5)
Previous issue date: 2017-12-05Embargo set by: Seth Robbins for item 105194
Lift date: 2020-03-13T15:25:40Z
Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD systemEmbargo set by: Seth Robbins for item 105194
Lift date: 2020-03-13T15:28:52Z
Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD systemU of I Only Restriction Lifted for Item 105194 on 2020-03-14T09:15:19Z
The Effect of Aerobic Training on Parathyroid Hormone and Alkaline Phosphatase as Bone Markers in Men with Mild to Moderate Asthma: The Effect of Aerobic Training on Parathyroid Hormone …
No full textBackground and Aim: Inhalation of corticosteroids in patients with asthma is associated with an increased risk of osteoporosis. This study aimed to assess the effect of aerobic training on alkaline phosphatase (ALP), parathyroid hormone (PTH) as bone biomarkers in men with mild to moderate asthma.
Methods: Twenty four sedentary middle-aged men with asthma aged 40±5 years were randomly assigned to two groups as exercise (aerobic training, n=12) and control (no training, n =12). Aerobic training was performed 3 days a week for 12 weeks in the form of running on a flat surface at 60-75% of HRmax. Fasting blood samples were taken before and after the training program for measuring serum ALP and PTH.
Results: There were no statistically significant differences between groups with regard to anthropometrical and bone markers at baseline (p>0.05). Aerobic training resulted in significant increase in ALP (p = 0.023) and PTH (p = 0.016) in exercise individuals. All variables remained unchanged in the control group (p>0.05).
Conclusion: With an emphasis on the increase in ALP and PTH, it is concluded that relatively long-term aerobic exercise is associated with improved bone formation markers in patients with asthma treated with inhaled corticosteroids.
*Corresponding Author: Mojtaba Eizadi; Email: [email protected]
Please cite this article as: Eizadi M, Behboudi L, Afsharmand Z. The Effect of Aerobic Training on Parathyroid Hormone and Alkaline Phosphatase as Bone Markers in Men with Mild to Moderate Asthma. Arch Med Lab Sci. 2020;6:1-9 (e20). https://doi.org/10.22037/amls.v6. 3353
Correction to: Illumination map smoothing (IMS): a convex and differentiable mathematical model to rapidly enhance low-light images (Signal, Image and Video Processing, (2025), 19, 3, (213), 10.1007/s11760-024-03733-w)
No full textIn this article, the affiliation details for author Mahdi Ahmadnia were incorrectly given as ‘Department of Applied Mathematics, Ferdowsi University, Mashhad, Iran’ but should have been ‘Department of Applied Mathematics, Ferdowsi University of Mashhad, Mashhad, Iran’ The affiliation details for author Mojtaba Maghreb were incorrectly given as ‘Department of Civil Engineering, Ferdowsi University, Mashhad, Iran’ but should have been ‘Department of Civil Engineering, Ferdowsi University of Mashhad, Mashhad, Iran’. The original article has been corrected
- …
