Search results for "RTK"
showing 10 items of 46 documents
Mobile Mapping System: case study of the Messina-Palermo motorway layout
2009
This paper presents the first results of the MMS (Mobile Mapping System) survey on the geometry of the A20 italian motorway Messina-Palermo. The layout parameters are the essential data for an effective management of a single or a road network. In particular these parameters are essential for applying the Design Consistency methodology to proposed or existing road infrastructures; through this methodology the road manager can make sure that the road characteristics are adjusted to the driving behaviour of motorists by analysing the relationship between horizontal and vertical alignment and the design and operating speed. Both the difficult finding of the road design schemes, particularly in…
A rs4374383 Single Nucleotide Polymorphisms of MERTK gene is linked to a higher likelihood of hepatocellular carcinoma in patients with HCV cirrhosis
2013
New candidates for CD4 T cell pathogenicity in experimental neuroinflammation and multiple sclerosis
2015
Multiple sclerosis is a chronic autoimmune demyelinating disease of the central nervous system, which is thought to be triggered by environmental factors in genetically susceptible individuals leading to activation of autoreactive T lymphocytes. Large multi-centre genome-wide association studies have identified multiple genetic risk loci in multiple sclerosis. In this study, we investigated T cell transcriptomic changes in experimental autoimmune encephalomyelitis, an animal model for multiple sclerosis. We correlated these findings with the multiple sclerosis risk genes postulated by the most recent Immunochip analysis and found that multiple sclerosis susceptibility genes were significant…
Uso delle tecniche GNSS a supporto dei rilievi di infortunistica stradale
2013
In the context of scientific research developed in recent years by DICAM, University of Palermo, a trend that is particularly interesting and multidisciplinary concerning the use of GNSS techniques in NRTK for applications of road accidents. The detections of the information relating to the left road today are conducted with standardized mode between those of local police; regarding the real relief it is realized with triangulation techniques, with the aid of manual instrumentation consists casters metrics in plastic or steel wires. The GNSS techniques in NRTK lend themselves well to this type of survey, the high information content and to manage different metadata (maps, coordinates, photo…
The effects of cors network geometry and differential nrtk corrections on gnss solutions
2021
The widespread availability of Continuosly Operating Reference Station (CORS) all over the world, allows to improve more scientific and technical studies on the use of satellite positioning techniques. The aim of this paper is to understand the effects of a GNSS CORS network geometry and differential corrections on the solutions. The analysis is carried out using ten different network configurations, with different inter-distances between the stations within GNSMART Geo++ software. The coordinates of one control point placed on the top of the Department of Engineering (University of Palermo, Italy) have been used to perform several static positioning mode test within fourthy hours. Differen…
USO DEI PALMARI GNSS PER L’AGGIORNAMENTO CARTOGRAFICO: IL CASO STUDIO DEL COMUNE DI ROCCAMENA (PA)
2012
This work is an example of survey for the map update and run with handheld GNSS and differential corrections data through the network of permanent stations. This case study is about urban drainage systems and lighting subnets within a limited area of the town of Roccamena, Italy. The survey has the primary target the planning of engineering data needed to implement a GIS, the study was performed as mode NRTK with correction VRS, affected, in particular, the wells of public lighting, the wells of white water and sanitation, in addition to the drains around the town, on a total area of approximately 33 square kilometers. Once homogenized the data was developed a Geographic Information System …
Valutazione dell'apporto della costellazione GLONASS nel posizionamento NRTK con ricevitori GNSS geodetici
2012
Il potenziamento della costellazione satellitare GLONASS consente oggi di disporre di un sistema che ha raggiunto defacto la piena operatività fornendo un contributo importante in qualsiasi rilievo, soprattutto in presenza di ostruzionialla visibilità satellitare. Questo lavoro riporta i risultati di alcuni test di posizionamento effettuati con ricevitorigeodetici GNSS di ultima generazione di diverse case costruttrici al fine di valutare l'apporto che la costellazioneGLONASS può dare ai rilievi NRTK (Network Real Time Kinematic) in condizioni di geometria satellitare GPS critica.Evaluation of the contribution of the GLONASS constellation in GNSS geodetic positioning with NRTKThe strengthen…
Маркшейдерия және геодезия
2012
Развитие спутниковой системы ГЛОНАСС Созвездие позволило наличии эффективная система, которая обеспечивает важный вклад в любой ситуации съемки, Особенно, когда есть присутствие препятствиях к видимости спутника. Эта статья доклады о результатах испытаний, проведенных позиционирования с новым поколением Геодезические GNSS приемники поставляемых разными производителями для того, чтобы оценить вклад ГЛОНАСС созвездия NRTK (Network в режиме реального времени Кинематические) съемка в условиях критической GNSS спутников.Точные и конкретные результаты подтвердили двойного созвездия Приемники качества, даже тогда, когда Различия в экстремальных условиях были заметил.
Valsts nivelēšanas tīkla analīze Rīgā LatPOS sistēmā
2015
Bakalaura darbā tiek pētīta 1. klases nivelēšanas tīkla punktu augstumu saderība ar GPS uzmērīšanas metodēm iegūtajiem punktu augstumiem, izmantojot LatPOS pastāvīgo bāzes staciju sistēmu. Pētījums tika veikts Rīgas pilsētas teritorijā, apsekojot un veicot mērījumus izlases kārtībā 60 esošajiem nivelēšanas tīkla punktiem. Mērījumi tika veikti ar GPS uzmērīšanas metodēm, izmantojot LV’14 kvaziģeoīda modeli, un ģeometriskās nivelēšanas metodi. Rezultātā tika iegūti tīkla punktu augstumi Latvijas normālo augstumu sistēmā, kas tika salīdzināti ar 1. klases nivelēšanas tīkla punktu augstumiem. Veiktais pētījums ļauj izdarīt secinājumus par LV’14 kvaziģeoīda modeļa savietojamību ar Latvijas normā…
Macrophage MerTK promotes profibrogenic cross-talk with hepatic stellate cells via soluble mediators
2022
Background & aims: Activation of Kupffer cells and recruitment of monocytes are key events in fibrogenesis. These cells release soluble mediators which induce the activation of hepatic stellate cells (HSCs), the main fibrogenic cell type within the liver. Mer tyrosine kinase (MerTK) signaling regulates multiple processes in macrophages and has been implicated in the pathogenesis of non-alcoholic steatohepatitis-related fibrosis. In this study, we explored if MerTK activation in macrophages influences the profibrogenic phenotype of HSCs. Methods: Macrophages were derived from THP-1 cells or differentiated from peripheral blood monocytes towards MerTK+/CD206+/CD163+/CD209- macrophages. Th…