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Wyszukujesz frazę "RCC" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Rare histological subtypes of renal cell carcinoma in everyday diagnostic practice
Autorzy:
Hypszer, Małgorzata
Czarnota, Katarzyna
Kobierska-Gulida, Grażyna
Nałęcz, Adam
Wesołowski, Wojciech
Iżycka-Świeszewska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/895745.pdf
Data publikacji:
2019-02-05
Wydawca:
Gdański Uniwersytet Medyczny
Tematy:
renal cancer
tubulocystic RCC
acquired cystic disease-associated RCC
eosinophilic solid and cystic RCC
WHO classification
Opis:
Introduction: The fourth edition of the WHO Classification of Tumours of the Urinary System and Male Genital Organs (2016) contains new renal tumour entities. These new subtypes of renal cell carcinoma (RCC) were introduced based on morphological criteria, some genetic features, and clinical characteristics with prognostic implications. We present three patients with rare renal tumours belonging to newly recognized or still emerging categories of RCC. All cases were diagnosed based on careful morphological examination with immunophenotyping, and patho- clinical correlation. The first case is an example of acquired cystic disease - associated renal cell carcinoma with heterogeneous architecture as well as specific intra- and intercytoplasmic microlumens. The second tumour - a tubulocystic renal cell carcinoma - was composed of multiple, various-sized cysts divided by fibrovascular septa and tubules lined focally with hobnail cells. The third case presents very rare sporadic eosinophilic, solid, and cystic RCC. This tumour contained macro et microcystic, areas intermixed with solid fields composed of large, in part multinucleated eosinophilic cells. Inflammatory infiltrations accompanied the neoplastic stroma. New subtypes of RCC, although rare, can be encountered in everyday practice. It is important to perform careful differential diagnosis and classify such tumours according to the recent guidelines.
Źródło:
European Journal of Translational and Clinical Medicine; 2018, 1, 2; 64-71
2657-3148
2657-3156
Pojawia się w:
European Journal of Translational and Clinical Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Current ripple reduction for finite control set model predictive control strategy of grid-tied inverter with reference current compensation
Autorzy:
Jin, Nan
Fan, Wuchuang
Fang, Jie
Wu, Jie
Shen, Yongpeng
Powiązania:
https://bibliotekanauki.pl/articles/2202542.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cost function
current ripple reduction
finite control set model predictive control
FCS-MPC
grid-tied inverter
reference current compensation
RCC
Opis:
In the finite control set model predictive control (FCS-MPC) strategy of the grid-tied inverter, the current ripple (CR) affects the selection of optimal voltage vectors, which leads to the increase of output current ripples. In order to solve this problem, this paper proposes a CR reduction method based on reference current compensation (RCC) for the FCS-MPC strategy of grid-tied inverters. Firstly, the influence of the CR on optimal voltage vector selection is analyzed. The conventional CR prediction method is improved, which uses inverter output voltage and grid voltage to calculate current ripples based on the space state equation. It makes up for the shortcomings that the conventional CR prediction method cannot predict in some switching states. The improved CR method is more suitable for the FCS-MPC strategy. In addition, the differences between the two cost functions are compared through visual analysis. It is found that the sensitivity of the square cost function to small errors is better than that of the absolute value function. Finally, the predicted CR is used to compensate the reference current. The compensated reference current is substituted into the square cost function to reduce the CR. The experimental results show that the proposed method reduces the CR by 47.3%. The total harmonic distortion (THD) of output current is reduced from 3.86% to 2.96%.
Źródło:
Archives of Electrical Engineering; 2023, 72, 1; 5--22
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Model of the Search and Rescue operations in Republic of Serbia
Autorzy:
Šoškić, S.
Ćurčić, J.
Karapetrović, L.
Powiązania:
https://bibliotekanauki.pl/articles/116341.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
search and rescue (SAR)
SAR Operation
IAMSAR Manual
Rescue Coordination Centre (RCC)
Search and Rescue Sub-Region (SRS)
SAR in Republic of Serbia
Search and Rescue Unit (SRU)
Water Course Traffic Service (WTS)
Opis:
The IAMSAR Manual contains practical guidelines for the organisation of maritime and aeronautical SAR, mission coordination, operations of search and rescue units (SRUs) and provision of SAR-related training. RCC (rescue coordination center) - a unit responsible for promoting efficient organization of search and rescue operations within a search and rescue region. Rescue Coordination Centre (RCC) means a designated coordination centre that acts as the national Search and Rescue Region's coordination centre and the international point of contact for search and rescue (SAR) services and that takes care of the continuous maintenance of coordination and communication preparedness and coordinates SAR operations within its Search and Rescue Sub-Region (SRS). Definition of tearms Search: An operation, normally coordinated by a RCC or RSC, using available personnel and facilities to locate persons in distress. (IAMSAR, Volume 1). Definition of terms Rescue: An operation to retrieve persons in distress, provide for their initial medical or other needs and deliver them to a place of safety. Work should contribute to the establishment of thinking for model of SAR in Republic of Serbia due to the growing need of interventions in the prevention and elimination of consequences of natural disasters and better organization of search and rescue using the standards prescribed in the the world.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 2; 269-277
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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