Science topics: Civil EngineeringRepair
Science topic

Repair - Science topic

Explore the latest publications in Repair, and find Repair experts.
Filters
All publications are displayed by default. Use this filter to view only publications with full-texts.
Publications related to Repair (10,000)
Sorted by most recent
Preprint
Full-text available
Dear Colleagues, The objective of this Special Issue is to present the latest research in the field of RC deterioration modeling, assessment and controlling. It will cover the models of RC deterioration processes (physical-law-based or measured-data-based), model-updating methods using inspection/monitoring data, durability assessment methods of RC...
Article
Full-text available
CRISPR/Cas9 is a revolutionary genome editing technology with the tremendous advantages such as precisely targeting/shearing ability, low cost and convenient operation, becoming an efficient and indispensable tool in biological research. As a disruptive technique, CRISPR/Cas9 genome editing has a great potential to realize a future breakthrough in...
Article
Full-text available
In his essay Down to Earth (2018), the French philosopher Bruno Latour proposes a hypothesis that connects a number of contemporary issues, ranging from climate denialism to deregulation and growing inequality. While his hypothesis, that the elites act as if they live in another world and are leaving the rest of the world behind, might seem like a...
Article
Full-text available
This paper evaluates lines repair and maintenance impacts on generation-transmission expansion planning (GTEP), considering the transmission and generation reliability. The objective is to form a balance between the transmission and generation expansion and operational costs and reliability, as well as lines repair and maintenance costs. For this p...
Article
Full-text available
Objective To study the effects of contusion and exhaustive exercise on the expression of degradation-related factors MuRF1 and MAFbx in the skeletal muscle of rats and describe the repair mechanism of skeletal muscle injury. Methods Forty-two male SD rats were randomly divided into 7 groups. The rats in each group were killed at different time poi...
Article
Full-text available
Constructing optimal locally repairable codes is a challenging and interesting task and has attracted great attention in the last decade. Unlike classical MDS codes, a q-ary optimal locally repairable code could have length bigger than q+1. In [18], a family of optimal locally repairable codes was constructed from automorphism groups of elliptic cu...
Article
Full-text available
The performance of a driving automation system (DAS) can influence the human drivers' trust in the system. This driving-simulator study examined how different types of DAS failures affected drivers' trust. The automation-failure type (no-failure, takeover-request, system-malfunction) was manipulated among 122 participants, when a critical hazard ev...
Article
Full-text available
Many old barrages along the Nile River face different problems, such as increased discharge or/and differences in head, scour, and material aging. Therefore, the irrigation networks need to be enhanced by upgrading the main controlling water structure, especially on the Nile River. As a result of examining the structural integrity of the main Nile...
Article
Full-text available
Dynamic Bayesian network (DBN) models are widely used for structural risk analysis because of their powerful parameter learning ability and capability of simplifying the problem by parsing it using nodes and arcs. However, these models update the reliability after inspection and maintenance (I&M) in a manner different than that specified by the air...
Article
Full-text available
In this paper we deduced explicitly expressions for the transient state distribution for a queueing problem having "chemical" rules with arbitrary number of customers present initially in the system, in addition to having the possibility of catastrophe and hence system repair. Our calculations based on using generating function and Laplace transfor...
Chapter
Full-text available
Electrocution is a major fatal issue faced by electricians worldwide. This proposed system incorporates a password-protected Arduino-controlled circuit to protect lineman against electrocution. It has an Arduino unit linked to a relay, a keypad and a liquid crystal display attached to the Arduino to show whether the power supply in the line is swit...
Article
Full-text available
Aim: The aim of this in vitro study was to compare nine different bonding agents of so-called universal type with one well-recognized, 3-step etch-and-rinse bonding agent, as control, in a composite-to-composite shear bond strength (SBS) test. Materials and methods: Cylindrical composite substrates were made according to manufacturers' specifica...
Article
Full-text available
Colon tumors with deficient DNA mismatch repair (dMMR) are generally infiltrated by T cells more densely than tumors with proficient mismatch repair (pMMR). However, high numbers of tumor-infiltrating lymphocytes (TILs) are found in select pMMR tumors, and low numbers of TILs are seen in select dMMR tumors. In this study, we compared T-cell reperto...
Article
Full-text available
Posterior interosseous nerve injury after distal biceps repair significantly impairs hand function. For treatment, we describe an anterior interosseous nerve to posterior interosseous nerve transfer. Our technique is useful when the injury is too distal for median nerve transfer or when the zone of injury is too long for nerve graft reconstruction.
Article
Full-text available
We report the case of a patient who underwent transcatheter aortic valve implantation via left anterior mini-thoracotomy in whom a periapical subcutaneous collection appeared in the anterior thoracic wall 18 months after the procedure. The tissue defect was efficaciously repaired via intercostal artery perforator flap, preserving the thoracodorsal...
Article
Full-text available
Meningoencephalocele in the lateral sphenoid sinus (SS) has been determined to be a rare entity often detected by cerebrospinal fluid (CSF) rhinorrhea. To date, the pathology of meningoencephalocele in the lateral SS has remained to be unclear in many cases. In this study, we report on a case of a 72-year-old woman with an arteriovenous malformatio...
Article
Full-text available
Fragmented proximal phalangeal fractures are difficult to treat. Fixation with plate and screws often lead to contractures and extensor tendon adhesions. Interosseous wiring could prevent those complications by repairing the periosteum and avoiding direct contact between implants and extensor tendon, while a good total active motion can be achieved...
Article
Full-text available
Elbow dislocations are simple or complex types. We introduce a patient with the elbow dislocation, lateral condyle fracture and coronoid fracture and their surgical management. This type of fracture is rare in adults. Particular attention should pay to coronoid fracture repair during the treatment.
Conference Paper
Full-text available
In recent years, the issue of strengthening and retrofitting of structures has been widely discussed in the scientific and engineering communities. In this regard, depending on the type of structure and the purpose of retrofitting, various methods by researchers It has been suggested. On the other hand, reducing the strength of concrete sections ca...
Article
Full-text available
Externally bonded carbon fiber reinforced polymer (CFRP) composites have been widely used as repairing or strengthening materials for deteriorated reinforced concrete (RC) structures. This study discusses whether carbon nanotube (CNT) can be used as an additive to enhance bonding strength between concrete and CFRP. In this study, two CNT types: sin...
Article
Full-text available
Background Left ventricular (LV) pseudoaneurysms are a rare occurrence typically seen after myocardial infarction (MI) or in patients with prior cardiac surgery and are associated with a significant risk of rupture and mortality. Management includes primary repair, epicardial patching, or percutaneous repair with occlusive devices. Case presentati...
Article
Full-text available
Background/purpose Laparoscopic pyeloplasty (LP) is now widely recognized as a minimally invasive alternative for the surgical repair of ureteropelvic junction obstruction (UPJO) in paediatrics. In this work, we aim to evaluate the feasibility, safety and effectiveness of LP in our early experience. Patients and methods Between April 2019 and Apri...
Article
Full-text available
With the rapid developments of marine resource exploitation, mounts of marine engineering equipment are settled on the ocean. When it is not possible to move the damaged equipment into a dry dock, welding operations must be performed in underwater environments. The underwater laser welding/cladding technique is a promising and advanced technique wh...
Article
Full-text available
Concrete-to-concrete composites have been widely used in a broad range of applications such as buildings, bridges, pavements, dams and tunnels. Numerous studies have been carried out to characterize the structural performance of these composites. This paper presents a state-of-the-art review and key information on the performance of concrete-to-con...
Article
Full-text available
Adult mammalian cardiomyocytes are unable to proliferate to regenerate lost tissue after heart injury. Du et al., reporting in Cell Stem Cell , employ a FUCCI- and MADM-based system to screen for small molecules combinations that produced a collaborative effect on cardiomyocyte cycling and cytokinesis. The authors generate a cocktail of five small...
Article
Full-text available
Introduction Posterior hip dislocation is the commonest type of hip dislocation. It is associated with femoral head fracture in 7% of cases. Urgent and congruent hip reduction is mandatory to improve clinical outcomes and avoid irreversible complications. The purpose of this study is to assess the safety and functional and radiological outcomes of...
Article
Full-text available
After friction stir welding/processing (FSW/P), an exit hole remains at the end of the run, which can be the weakest region of the welded/processed workpiece. In addition, tensile residual stress around the exit hole resulting from heating during FSW/P facilitates incipient crack initiating from the exit hole under external loading. Current solutio...
Article
Full-text available
Abstract Background Aortic valve repair in rheumatic patients is not well-studied. We aimed to present our initial Egyptian experience in the aortic valve repair and compare it with the aortic valve replacement. The study included 85 patients who had an aortic valve surgery for aortic regurgitation (AR) in a single center from 2018 to 2020. We assi...
Article
Full-text available
Concrete sewage structures are difficult to maintain since they are constructed under the ground and their surfaces inside are exposed to various deteriorations such as acid and sulfate ingress. In this study, their repair costs were evaluated both deterministically and probabilistically considering the extended service life through repairing of co...
Article
Full-text available
Background The appropriate age and weight for surgical repair of atrioventricular septal defect (AVSD) is an area of controversy. We aimed to study the effect of weight and age at the time of surgical repair for complete AVSD in children less than 2 years of age on postoperative outcomes. A retrospective data review was performed for patients who u...
Article
Full-text available
Background: The impact of SARS-COV-2 virus (COVID-19) has been well documented in international settings with a reduction in overall emergency presentations both influenced by social distancing and lockdowns. This study focuses on several common acute general surgical pathologies exploring differences in presentations and clinical outcomes for appe...
Article
Full-text available
The gas transport infrastructure is frequently localized in areas subjected to anthropogenic movements and strains. The potential impact of the ground movements on the gas pipeline in the aspect of its damage can be properly assessed e.g. by predicting strains, taking into account the causes of terrain movement. On the other hand, the hazard is als...
Article
Full-text available
Balanced cell death and survival are among the most important cell development and homeostasis pathways that can play a critical role in the onset or progress of malignancy steps. Anastasis is a natural cell recovery pathway that rescues cells after removing the apoptosis-inducing agent or brink of death. The cells recuperate and recover to an acti...
Article
Full-text available
Endovascular repair has been introduced to decrease the morbidity and mortality associated with open surgical repair of aortic arch pathology. We illustrate total percutaneous transfemoral approach with a 3-vessel inner branch stent-graft to treat aortic arch aneurysm. (Level of Difficulty: Advanced.)
Article
Full-text available
The main objective of this study is to investigate the structural performance of reinforced concrete (RC) beam specimens strengthened with 3D-fiberglass as compared with fiber-reinforced polymers (FRP) sheets. For this purpose, six RC beams were fabricated, strengthened, and tested under a four-point bending machine. One of the beams served as the...
Article
Full-text available
Damage can limit the material and structure to perform as designed. To investigate the effect of damage present at the Al and carbon layers in Al/CFRP hybrid thin-walled tubes, a coupled model with multiple working conditions was developed. Material and structural changes caused by different damage levels were analyzed from macroscopic and microsco...
Article
Full-text available
Cardiac injury, including myocardial contusion and valvular damage, is a common complication of blunt chest trauma; however, traumatic ventricular septal rupture is a rare complication. We encountered a rare case of ventricular septal rupture following blunt chest trauma that was successfully repaired by emergency surgery. The mechanism underlying...
Conference Paper
Full-text available
The historical Fars region, which played a central role during the Persian and Sassanid periods, is today in the south of Iran and its administrative center is the city of Shiraz. The region is also known as the cultural capital of Iran, as it contains many archaeological sites and historical buildings. In real terms, the Fars region passed under S...
Article
Full-text available
Background Spongioplasty alone or in combination with local tissue flaps can be used as a second layer for the prevention of complications of tubularised incised plate urethroplasty (TIPU) of hypospadias repair. It can be used when wide urethral plate and well-developed robust spongiosum are present. This study aims to review the success rate and c...
Article
Full-text available
Digital Twins are essential in establishing intelligent asset management for an asset or machine. They can be described as the bidirectional communication between a cyber representation and a physical asset. Predictive Maintenance is dependent on the existence of three data sets: Fault history , Maintenance / Repair History , and Machine Conditions...
Article
Full-text available
The high consumption of ordinary Portland cement (OPC) in high-performance concrete (HPC), combined with the growing accumulation of construction and demolition wastes (CDW), raises severe environmental and economic concerns. This study addresses both issues by proposing a novel sustainable binder made of milled recycled HPC (mRHPC). A series of HP...
Article
Full-text available
Iron hexacyanoferrate (FeHCF) is a promising cathode material for sodium-ion batteries. However, FeHCF always suffers from a poor cycling stability, which is closely related to the abundant vacancy defects in its framework. Herein, post-synthetic and in-situ vacancy repairing strategies are proposed for the synthesis of high-quality FeHCF in a high...
Article
Full-text available
Consumer-facing corporations have started setting ambitious circular economy goals. However, it is unclear what innovators in corporations do to help meet these targets. The literature on circular business model innovation (CBMI) has focused on business-to-business contexts, efficiency, and recycling, but lacks insight into the innovation activitie...
Article
Full-text available
Background For infants with severe congenital diaphragmatic hernia (CDH) stabilized with extracorporeal membrane oxygenation (ECMO), early repair on ECMO improves outcome; however when compared to operative repair after ECMO, repair on ECMO is associated with increase bleeding risk and need for blood product transfusions. Methods A retrospective r...
Article
Full-text available
Nano-hydroxyapatite (nHAP) has been widely used in bone repair as an osteo-inductive and naturally-occurring material. However, the optimal applied form of nHAP and the underlying mechanisms involved remain unclear. Herein, to investigate into these, a range of corresponding models were designed, including three applied forms of nHAP (Free, Coating...
Article
Full-text available
Background Anorectal malformations associated with colonic duplications are a rare condition. Double terminations of tubular colonic duplication in the perineum are even rarer. Colonic duplication may have different presentations according to its location and size and incidence of less than 15% of all gastrointestinal duplications. We hereby report...
Article
Full-text available
Cellular senescence has gained increasing attention in the field of aging research. Senescent cells have been implicated in biological aging processes, tumorigenesis, development, and wound repair amongst other processes and pathologies. Recent findings reveal that senescent cells can both promote and inhibit cutaneous wound healing processes. Rela...
Article
Full-text available
Introduction The innate immune responses of upper airway could further our understanding toward antiviral strategies against SARS-CoV-2. We characterize the potential of interferon (IFN)-λ as an innate immune inducer for the rapid clearance of SARS-CoV-2 in the lung and the therapeutic efficacy of intranasal inoculation of IFN-λ to resolve acute lu...
Method
Full-text available
Radiation plan evaluation & approval in 3D-CRT & IMRT in CANCERS "Achieving goals of treatment planning"
Article
Full-text available
The specification, characterization, and fate of alveolar type 1 and type 2 (AT1 and AT2) progenitors during embryonic lung development are poorly defined. Current models of distal epithelial lineage formation fail to capture the heterogeneity and dynamic contribution of progenitor pools present during early development. Furthermore, few studies ex...
Article
Full-text available
The paper shows research on a closed fermentation chamber (CFC) that is an element of the Biogas CombinedHeat and Power Plant located in the Gdańsk East Sewage Treatment Plant. This tank is mounted as an above-ground cylinder-shaped structure covered with a cone-shaped roof. Corrosion and leaks appeared in the tanksduring many years of operation. I...
Article
Full-text available
Renal tubular epithelial cells (TECs) can initiate an adaptive response to completely recover from mild acute kidney injury (AKI), whereas severe injury often leads to persistence of maladaptive repair and progression to kidney fibrosis. Through profiling of active DNA regulatory elements by ATAC-seq, we reveal widespread, dynamic changes in the ch...
Article
Full-text available
While resourcing their ventures, entrepreneurs and stakeholders face and deal with unexpected situations, permeating the entrepreneurship process. Drawing on an entrepreneurship as practice approach, we explore how an entrepreneurial resourcing practice is collectively enacted, reconfigured, and repaired after a sudden practice collapse. Through a...
Article
Full-text available
Value-retention processes (VRPs), a collective term that includes practices of direct reuse, repair, refurbishment, and remanufacturing, can facilitate the cycling of products and components within a circular economy (CE). VRPs are often presented as alternatives to conventional manufacturing and consumption, and as mechanisms for avoiding negative...
Article
Full-text available
Distraction Osteogenesis (DO) is a reconstruction method for repairing bone deficiencies in oral and maxillofacial area. Manual DO techniques have shown the functionality of DO method for the bone tissue reconstruction. DO method can improve the treatment conditions, as well as the quality of the reconstructed bone, compared to conventional techniq...
Article
Full-text available
In the process of field exploration, along with regular flooding, a significant part of the wells is flooded prematurely due to leakage of the string and outer annulus. In an effort to intensify the flow of oil to the bottom of wells in field conditions, specialists often try to solve this problem by using various technologies that change the reser...
Article
Full-text available
This study investigates how the inclusion of marble dust (MD) affects the hardened properties of self-compacting repair mortars mixes (SCRMs). Mixes at different levels of MD (0, 10, 15 and 20%) as a replacement by weight of cement were prepared and tested. The performances of SCRMs were studied in terms of mechanical and bonding strength. The mech...
Research
Full-text available
In today's Digital world we for one would be the first to admit, that the generation belongs to the smart way of looking at things. Hence, we get the future guest to be called smart guests. To sustain the demands of the smart guests we have today introduced a Modern Marvel of Technology Called as Smart Room. The Smart room connects the daily needs...