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Differences in the quality of polishing between sound and weathered granites

Aesthetic characteristics are important when rocks are used as construction materials. Among all the surface finishes available, the polished finish is the one which best enhances the rock attractiveness. Colour (C), roughness (R) and gloss (G) are surface properties usually used to assess the rock polishing. In this research, the CRG properties were assessed in polished samples of three ornamental granites wit...

Rare Complication: What Kind of Colitis?

Sustainable management of olive rainfed orchards by the introduction of legumin...

The olive sector has a crucial economic, social, cultural and ecological relevance in the Mediterranean region, where tillage and herbicides application are still generalized practices. However, these practices oppose the recommendations of UE Common Agricultural Policy and thus, management methods that decrease requirement for agricultural chemicals are needed to reduce adverse environmental impacts. Moreover,...

Rare Complication: What Kind of Colitis?

Impacts of leafroll-associated viruses (GLRaV-1 and -3) on the physiology of th...

Extracção mecânica de granito

Extracção de granito com explosivos

Inovação e investigação

Color assessment of granitic rocks and implications for their ornamental utiliz...

The purpose of this study is to evaluate the factors affecting the assessment of granite color, such as grain size and texture, and to propose a methodology for this task which would reduce the margin of error associated with this procedure. For this purpose, an evaluation was carried out on the color of several granites with different textures used in the dimensional stone industry to highlight the importance ...

US-guided interventional joint procedures in patients with rheumatic diseases--...

OBJECTIVE: To describe the main indications and the technical steps to perform ultrasound guided procedures in patients with rheumatic diseases. To access procedures accuracy, safety and effectiveness. MATERIALS AND METHODS: 27 patients with pain related to articular complications of rheumatic diseases and according to previous radiographic or US exam were submitted to several US-guided procedures. 42% of pati...