Mostrando ítems 1-10 de 420
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A new rotational integral formula for intrinsic volumes in space forms
A new rotational version of Crofton's formula is derived for the intrinsic volumes of a domain Y in a space form. More precisely, a functional is defined on the intersection between Y and a totally geodesic submanifold ...
Evaluation and selection of tomato accessions (Solanum section Lycopersicon) for content of lycopene, β-carotene and ascorbic acid
Tomato has been identified as a food of great interest given its nutritional and bioactive components (mainly lycopene, β-carotene and ascorbic acid) and its high consumption rate all year round. Previous works have indicated ...
Nanocasted mesoporous nanocrystalline ZnO thin films
For the first time the formation of photoluminescent mesoporous ZnO thin films with high optical quality and low refractive index is reported. They have been thoroughly characterized via the use of a large set of modern ...
Changes in predation and parasitism of the citrus leafminer Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae) populations in Spain following establishment of Citrostichus phyllocnistoides (Hymenoptera: Eulophidae)
The citrus leafminer, Phyllocnistis citrella, is a pest native to Southeast Asia which threatened the citrus industry in the Mediterranean region upon its introduction in 1993. Immediately afterward, a classical biological ...
Analysis of selected veterinary antibiotics in fish by micellar liquid chromatography with fluorescence detection and validation in accordance with regulation 2002/657/EC
A simple and sensitive method was optimised and validated for the simultaneous analysis of five quinolones (oxolinic acid, flumequine, enrofloxacin, difloxacin and sarafloxacin) in different fish muscles. Analytical ...
Capillary electrophoresis determination of antihistamines in serum and pharmaceuticals
A capillary electrophoresis (CE) procedure combined with UV detection has proved useful for the quantification of the most frequently prescribed antihistamines corresponding to the ethylendiamine, ethanolamine, propylamine, ...
Rapid and sensitive determination of nicotine in formulations and biological fluid using micellar liquid chromatography with electrochemical detection
Nicotine can be determined in pharmaceuticals and biological fluids by micellar liquid chromatography (MLC) using a C18 column, a mobile phase containing sodium dodecyl sulphate 0.15M-6% (v/v) pentanol-NaH<sub>2</sub>PO< ...
Use of granite sludge wastes for the production of coloured cement-based mortars
The value of granite sludge wastes (GS) in cement-based mortar formulations was examined by assessing their potential as structural components and pigments. Full characterization of GS was accomplished by X-ray fluorescence ...
A document clustering algorithm for discovering and describing topics
In this paper, we introduce a new clustering algorithm for discovering and describing the topics comprised in a text collection. Our proposal relies on both the most probable term pairs generated from the collection and ...
Trinuclear molybdenum cluster sulfides coordinated to dithiolene ligands and their use in the development of molecular conductors
The present article reviews synthetic approaches to efficiently prepare Mo<sub>3</sub>S<sub>7</sub> clusters coordinated to 1,2-bis-dithiolene ligands of general formula [Mo<sub>3</sub>S<sub>7</sub>(dithiolene)<sub>3</su ...