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Operation makalu air crash:influence of cognitive and human factors on decision-making

Forensic Sciences Research 2022年第4期7卷 803-807页

作者： Samarika Dahal Gopal Kumar Chaudhary Nitin Kumar Agrawal Department of Dentistry Institute of MedicineKathmanduNepal Department of Forensic Medicine Maharajgunj Medical CampusMaharajgunjKathmanduNepal

Two onboard crew members lost their lives in the fatal Makalu Air Cessna Grand Caravan 208B domestic cargo flight crash on May 16,*** Disaster Victim Identification(DVI)procedure comprises external examination,photography,DNAcollection,fingerprint collection,postmortem examination,antemortem information collection from the family members,and *** major challenge of this operation was dealing with cognitive *** antemortem dental information of one of the deceased was revealed to the forensic experts just before the postmortem *** influenced the testing *** was a tendency to neglect the complete dental examination presuming the identification was ***,during a thorough examination,the forensic odontologist realised that the initial decision was ***,there are few experience-based resources available to resolve cognitive bias *** authors begin by summarising complicated operations in which they have been involved,followed by a discussion of the key sources of cognitive bias along with the solution to resolve these issues in DVI preparedness planning.

关键词： Forensic sciences disaster cognitive bias dental identification mortuary Nepal

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Identification and Conservation State of Painted Wall Plasters at the Funerary House in Necropolis of Tuna El-Gebel, El-Minia-Upper Egypt

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Open Journal of Geology 2017年第7期7卷 923-944页

作者： Nabil A. Abd El-Tawab Bader Abdelkareem E. Ahmed Conservation Department Faculty of Archaeology South Valley University Qena Egypt

During this study, the principal aim carried out was to obtain more information about technique and conservation conditions of the Egyptian wall paintings during the Roman period in the funerary house in necropolis of Tuna el-Gabal, El-Minia-Upper Egypt. It’s going back to 2nd century AD and involves different sites of Ptolemaic and Roman chapels;some are in the immaculate established style while others are a blend of Pharaonic-Greek style and both are secured with mural painting. Deterioration problems observed on the wall paintings of the funerary house are, loss of plaster layers, disintegration of plaster layers, loss of paint layers (blistering and peeling), discoloration and severely damaged owing to a lot of deterioration factors as weakness of mud brick support, deterioration of surface treatments and to the widespread presence of different salts. The materials used in the painting, preparation layers and the state of conservation of the mural painting at funerary house were investigated by integrated physio-chemical measurements, particularly micro-Raman spectroscopy (µRaman), light optical microscopy (LOM), scanning electron microscopy (SEM) coupled with an energy dispersive X-ray analysis system (EDX), X-ray powder diffraction (XRD) and Fourier transform infrared (FT-IR). In addition, the morphology of multilayer plaster from wall painting was investigated using atomic force microscopy (AFM). A wide color palette utilized as a part of the necropolis has been identified with mineral pigments and pigment mixtures. It is found that, the paints were based on an organic binder and traditional pigments (azurite, hematite, ochre, vegetable black) were used as colorants on plaster. The examination demonstrated that the preparatory layer is verging on made of pure lime while the plaster layer based mainly of lime and gypsum with variable amounts of quartz. The obtained results provided information about the painting technique, chemical composition, crystal st

关键词： Tuna El-Gebel Roman mortuary Houses Pigments Raman Microscopy Atomic Force Microscope (AFM)

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