Zobrazeno 1 - 10
of 295
pro vyhledávání: '"Raffaele Spinelli"'
Autor:
Jozef Krilek, Arkadiusz Gendek, Monika Aniszewska, Grzegorz Szewczyk, Miroslava Ťavodová, Raffaele Spinelli, Ján Kováč, Jan Malaťák, Mariusz Kormanek, Vladimír Mancel, Tomáš Kuvik
Publikováno v:
BioResources, Vol 19, Iss 2, Pp 3653-3667 (2024)
The paper is focused on the research of chipper knives with a straight and modified cutting edge in order to determine the energy consumption of the chipping process and the uniformity of the size of the fractions of the designed chipper knife for th
Externí odkaz:
https://doaj.org/article/fe3edb8a5670447ea3d7917277d4ca30
Autor:
Paola Bonavolontà, Giulia Togo, Giuseppe Tarallo, Vincenzo Abbate, Francesco Maffia, Marco Sarcinella, Raffaele Spinelli, Giovanni Dell’Aversana Orabona, Luigi Califano
Publikováno v:
Oral and Maxillofacial Surgery Cases, Vol 9, Iss 1, Pp 100290- (2023)
Lipoma is a common soft tissue benign neoplasm originating from the mesenchymal cells of connective tissue. It is a painless neoplasm characterized by slow growth. The incidence in the oral cavity is relatively rare (1–4%). A predisposing cause of
Externí odkaz:
https://doaj.org/article/0b8b9e98ed8c4fc6bfa59f15473bce6f
Autor:
Dalia Abbas, Fulvio Di Fulvio, Enrico Marchi, Raffaele Spinelli, Mike Schmidt, Ted Bilek, Han-Sup Han
Publikováno v:
Croatian Journal of Forest Engineering, Vol 42, Iss 1, Pp 63-75 (2021)
This paper offers a conceptual analysis of the unaccounted-for cost of owning and operating used machines from an operational, financial and market perspective. It is based on input from experts and a literature review. In the scientific literature,
Externí odkaz:
https://doaj.org/article/5d9bf0d0fd5a417990bb37c22d8bbca1
Autor:
Raffaele Spinelli, Enrico Marchi
Publikováno v:
Croatian Journal of Forest Engineering, Vol 42, Iss 1, Pp 24-38 (2021)
Mobile wood chippers represent a mature technology now available in a wide range of sizes and configurations. Different types exist, but the most widespread are disc and drum chippers. The latter have enjoyed wider popularity in recent years because
Externí odkaz:
https://doaj.org/article/9fb20afa8d8343408a543e0454bdb3d9
Autor:
Raffaele Spinelli, Natascia Magagnotti, Giulio Cosola, Eric R. Labelle, Rien Visser, Gernot Erber
Publikováno v:
Croatian Journal of Forest Engineering, Vol 42, Iss 3, Pp 369-380 (2021)
Cable yarding is a well establish technology for the extraction of timber in steep terrain. However, it is encumbered with relatively low productivity and high costs, and as such this technology needs to adapt and progress to remain viable. The devel
Externí odkaz:
https://doaj.org/article/ec23b46665294c8ca582c493ad0ae35c
Publikováno v:
Croatian Journal of Forest Engineering, Vol 41, Iss 2, Pp 1-13 (2020)
Close-to-nature (CTN) forestry offers many advantages, but makes management more complex and generally results in lower harvesting productivity and higher harvesting cost. While the higher harvesting cost of CTN is widely acknowledged, few ever consi
Externí odkaz:
https://doaj.org/article/5275098ee216419aa80fff9812058689
Publikováno v:
Acta Silvae et Ligni, Vol 123, Pp 31-41 (2020)
In the article we determine the suitability of the phytocenose as a basic unit for determining soil susceptibility to mechanized logging. A total of 90 measurements of skid trail profiles were taken on a 13.9 km long sample transect. The forest infra
Externí odkaz:
https://doaj.org/article/35e7f2c7462145b7b3a3ad644bc3968c
Publikováno v:
Croatian Journal of Forest Engineering, Vol 41, Iss 1, Pp 137-147 (2020)
A chain-flail delimber-debarker-chipper (CFDDC) was adapted for treating smaller trees than normal by replacing the standard flails with lighter ones, and by reducing flail drum rotation speed. The machine produced 16 full containers (24 t each) for
Externí odkaz:
https://doaj.org/article/80d0721f65534699b41795d1f83037f2
Publikováno v:
Croatian Journal of Forest Engineering, Vol 40, Iss 1, Pp 65-80 (2019)
The study developed robust benchmark figures for the performance of delimber-debarker-chippers in fast-growing eucalypt plantations, through the analysis of an exceptionally large database that combined automatically-captured and user-input records.
Externí odkaz:
https://doaj.org/article/c40d6d2fac064b0683e59fd62b298948
Autor:
Gernot Erber, Raffaele Spinelli
Publikováno v:
Silva Fennica, Vol 54, Iss 2 (2020)
Cable yarding is a general solution for load handling on sites not accessible to ground-based machinery, and is typically associated with steep terrain. On flat terrain, such conditions can primarily be found on soft or wet soils, most frequently enc
Externí odkaz:
https://doaj.org/article/c77ab5fd5a7d42f0a14e265b08638a62