Results 91 to 100 of about 8,762 (192)

Minería, mano de obra y circulación monetaria en los Andes colombianos del siglo XVII

Fronteras de la Historia, 2001
La economía en el Nuevo Reino de Granada giró casi exclusivamente en torno al oro de aluvión. Pese a esa situación, el examen del sector minero de la plata permite, analizar con mayor precisión los grandes temas que han preocupado a la historiografía ...
Heraclio Bonilla
doaj  

Thorncliffe Formation: A proglacial to subglacial lacustrine basin sequence, Greater Toronto Region, Canada

Boreas, EarlyView.
Map of Lower sediment (LS) thickness is a surrogate for the distribution of Thorncliffe Formation (TF) and ~75% of TF thickness from the slope of Niagara Escarpment east to Brighton. Inset images show the LS sequence at the Don Valleys brickyards (DVBY) and undeformed TF sand and gravel (~15 m) below Newmarket Till (NT) at sites L and Co.
David R. Sharpe, Charles E. Logan, Ross D. Knight, Andre J.‐M. Pugin   +3 more
wiley   +1 more source

El oro: una materia prima esencial para el mundo

Revista de Química, 2019
El oro es un metal inerte de símbolo Au y número atómico 79. Perú es el sexto productor mundial de oro y La Libertad es su primer departamento productor de este metal.
Adollfo Marchese Morales
doaj  

Sodium butyrate ameliorates renal tubular lipid accumulation through a protein phosphatase 2A/transcription factor EB axis in diabetic nephropathy

British Journal of Pharmacology, EarlyView.
Abstract Background and Purpose Extensive evidence indicates that lipid accumulation causes renal tubular injury, which further contributes to diabetic nephropathy (DN) progression. Short‐chain fatty acids (SCFAs) play an important role in the maintenance of cellular metabolic health.
Jiayin Tao, Sinan Ai, Yaoxian Wang, Yuning Liu, Jingwei Zhou, Qingqing Liu, Xu Wang, Danting Li, Xin Li, Lin Wang, Jinyi Hou, Liang Peng, Zhen Wang   +12 more
wiley   +1 more source

Cannabidiol and cannabigerol ameliorate steatotic liver disease via phosphocreatine buffering and lysosomal restoration

British Journal of Pharmacology, EarlyView.
Cannabidiol (CBD) and cannabigerol (CBG) alleviate hepatic steatosis in obese mice by shifting energy buffering towards phosphocreatine and enhancing lysosomal lipid degradation and trafficking. These effects are associated with increased creatine kinase activity and lysobisphosphatidic acid (LBPA) levels, highlighting a previously unrecognised ...
Radka Kočvarová, Shahar Azar, Bella Agranovich, Ifat Abramovich, Saveliy Kirillov, Alina Nemirovski, Saja Baraghithy, Inbar Plaschkes, Emmanuelle Merquiol, Alexander Rouvinski, Galia Blum, Liad Hinden, Joseph Tam   +12 more
wiley   +1 more source

La búsqueda del oro durante la conquista de la costa caribe colombiana (1525-1550)

Investigaciones y Ensayos, 2015
Este artículo intenta abordar la problemática que giró en torno al saqueo del oro de los indígenas en el Caribe colombiano durante la Conquista. Los tesoros obtenidos fueron fundamentales para expandir la frontera de la avanzada española, para sentar las
Roger Pita Pico
doaj  

ASCIA Guideline: Infant Feeding for Food Allergy Prevention

Clinical &Experimental Allergy, EarlyView.
The 2025 Australasian Society of Clinical Immunology and Allergy (ASCIA) Guideline: Infant Feeding for Food Allergy Prevention supersedes the 2016 ASCIA guideline. Key changes include specific recommendations about the timing of egg and peanut introduction to the infant's diet, alongside a recommendation regarding perioral rashes to support primary ...
S. L. Vale, M. J. Netting, C. J. Hornung, J. Smith, I. Roche, V. McWilliam, K. Hollinshead, C. South, A. Young, K. Rueter, K. P. Perrett, D. J. Palmer, P. Joshi, D. E. Campbell, J. J. Koplin, L. S. Ford   +15 more
wiley   +1 more source

Efecto del catalizador LeachWell 60X® y de los iones Pb+2 y S-2 en el proceso electroquímico de la cianuración del oro en minerales sulfurados

Revista Facultad de Ingeniería Universidad de Antioquia, 2006
La gran dificultad que se presenta en la disolución del oro por cianuración, cuando se encuentra en minerales sulfurados, es un hecho ampliamente conocido en la metalurgia extractiva.
Olger Giovani Mendoza Villabona, Julio Elías Pedraza Rozas   +1 more
doaj  

El oro

, 1922
Poema que trata del tema de la importancia del Oro como un objeto de gran valor para cualquier rey en el mundo.
openaire   +1 more source

Implant Placement and Immediate Provisionalization After Alveolar Ridge Reconstruction in the Aesthetic Zone Using a Digital Workflow: A 1‐Year Prospective Case Series Study

Clinical Oral Implants Research, EarlyView.
ABSTRACT Introduction In single‐tooth replacement in the aesthetic zone, extensive bone defects require alveolar ridge reconstruction. A digital workflow involving CBCT and intraoral optical scanning enables a three‐dimensional assessment, prosthetically driven implant positioning, computer‐assisted implant surgery, and prefabrication of a temporary ...
Vincent J. J. Donker, Henny J. A. Meijer, Arjan Vissink, Gerry M. Raghoebar   +3 more
wiley   +1 more source