Results 121 to 130 of about 156,182 (239)
“Flames Over Persepolis”: New Scientific Evidence Supporting Historical Perspectives
Archaeometry, EarlyView.ABSTRACT This study investigates the burning of Persepolis Terrace, historically attributed to Alexander III in 330 bce. A review of classical accounts and excavation reports, combined with diagnostic surveys, confirms the fire's historicity and provides novel insights.
Maria Letizia Amadori +10 more
wiley +1 more source
Ultrasonic sound speed of hydrating calcium sulphate\ud hemihydrate; part 2, the correlation of sound velocity to\ud hydration degree [PDF]
, 2011 In this article the sound velocity through a mix is correlated to the hydration degree of\ud the mix. Models are presented predicting the sound velocity through fresh slurries and\ud hardened products.
Brouwers, H.J.H., Korte, A.C.J. de
core +2 more sources
The Material Basis of 18th‐Century Meissen Porcelain
Archaeometry, EarlyView.ABSTRACT In the summer of 1708, the quest for making hard‐paste porcelain from Saxonian clay and other mineral resources succeeded. This was achieved by applying as its essential ingredient newly discovered pure kaolin from Heidelsberg near Aue, western Saxon Ore Mountains.
Robert B. Heimann
wiley +1 more source
Gypsum karst in Great Britain [PDF]
International Journal of Speleology, 1996 In Great Britain the most spectacular gypsum karst development is in the Zechstein gypsum (late Permian) mainly in north-eastern England. The Midlands of England also has some karst developed in the Triassic gypsum in the vicinity of Nottingham.
Cooper A.H.
doaj
Dental Traumatology, EarlyView.ABSTRACT Background/Objective 3D printed materials have been evaluated for fabricating mouthguards; however, little is known about their biomechanical performance in preventing dental trauma. This study aimed to compare two 3D printed polymers and three ethylene vinyl acetate (EVA) sheets used for mouthguard fabrication regarding their mechanical ...
Airin Karelys Avendaño Rondon +6 more
wiley +1 more source
Study on iron removal and phase transition behavior of titanium gypsum in acidic solution
河南理工大学学报. 自然科学版ObjectivesThis study aims to address the issue of impurities in titanium gypsum and investigate the phase transformation behavior of gypsum under atmospheric pressure.MethodsIndustrial solid waste titanium gypsum was used as the raw material and treated ...
GUAN Xuemao +3 more
doaj +1 more source
European Journal of Dental Education, EarlyView.ABSTRACT Introduction Exposure to excessive noise is a highly preventable occupational risk, with irreversible side effects that may negatively impact an individual's quality of life, such as noise‐induced hearing loss and tinnitus. Dental personnel may be at particular risk due to their exposure to high levels of noise from dental equipment.
Liath O' Shea +3 more
wiley +1 more source
Groundwater Monitoring &Remediation, EarlyView.Abstract Groundwater in the upper Arkansas River corridor has been contaminated by elevated concentrations of dissolved solids in Arkansas River water. Most of the dissolved solids originate from the soils and bedrock in eastern Colorado, where river water is diverted for irrigation and storage systems, and evapotranspiration significantly increases ...
Gaisheng Liu +5 more
wiley +1 more source
Revista Brasileira de ZootecniaThis study was conducted to evaluate the chemical effects of gypsum on the soil and on the recovery of a pasture established with palisade grass (Urochloa brizantha) in a Cerrado biome region.
Clarice Backes +7 more
doaj +1 more source
International Endodontic Journal, EarlyView.Abstract Aim To develop a 3D‐printed model enabling treatment simulation of trauma‐related endodontic and restorative procedures like revitalization or placement of an apical plug on teeth with incomplete root formation. Methodology To generate a realistic training model suitable for trauma‐related simulations, CT‐Data sets were segmented, combined ...
Eva Maier +7 more
wiley +1 more source