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1000 tulosta hakusanalla Mohamed Ali El-Moghazi; Jason Whalley

The International Radio Regulations

The International Radio Regulations

Mohamed Ali El-Moghazi; Jason Whalley

Springer Nature Switzerland AG
2021
sidottu
This book provides an in-depth introduction to the International Telecommunication Union (ITU) Radio Regulations (RR) and the policies that govern them. Established in 1906, these regulations define the allocation of different frequency bands to different radio services, the mandatory technical parameters to be observed by radio stations, especially transmitters, and the procedures for spectrum use coordination at the international level. The book analyzes the interactions between different national policies and the ITU RR, noting how these interactions influence spectrum policy on the national level, setting up a comparative framework within which to view these regulations and their effects. Beginning with an overview of the history of the origins ITU RR, the book takes a deep dive into the components of spectrum management including radio communication service allocation, wireless technology selection, radio usage rights, and spectrum rights assignment, placing each analysiswithin the context of the push and pull between national and international regulations. The book concludes with chapters discussing issues affecting the future of spectrum policy, including spectrum policy reform in developing countries, the WRC-19, and IMT-2020. Shedding light on the longest-running treaty documents in the history of modern telecommunications and arguing for reforms that allow it to address the needs of all nations, this book is useful to scholars and students of telecom policy, digital policy, ICT, governance, and development as well as telecom industry practitioners and regulators.
The International Radio Regulations

The International Radio Regulations

Mohamed Ali El-Moghazi; Jason Whalley

Springer Nature Switzerland AG
2022
nidottu
This book provides an in-depth introduction to the International Telecommunication Union (ITU) Radio Regulations (RR) and the policies that govern them. Established in 1906, these regulations define the allocation of different frequency bands to different radio services, the mandatory technical parameters to be observed by radio stations, especially transmitters, and the procedures for spectrum use coordination at the international level. The book analyzes the interactions between different national policies and the ITU RR, noting how these interactions influence spectrum policy on the national level, setting up a comparative framework within which to view these regulations and their effects. Beginning with an overview of the history of the origins ITU RR, the book takes a deep dive into the components of spectrum management including radio communication service allocation, wireless technology selection, radio usage rights, and spectrum rights assignment, placing each analysiswithin the context of the push and pull between national and international regulations. The book concludes with chapters discussing issues affecting the future of spectrum policy, including spectrum policy reform in developing countries, the WRC-19, and IMT-2020. Shedding light on the longest-running treaty documents in the history of modern telecommunications and arguing for reforms that allow it to address the needs of all nations, this book is useful to scholars and students of telecom policy, digital policy, ICT, governance, and development as well as telecom industry practitioners and regulators.
Oculo-Behçet chez la population gériatrique

Oculo-Behçet chez la population gériatrique

Dorsaf Saadouli; Naouel El Afrit; Mohamed Ali El Afrit

Editions Universitaires Europeennes
2020
pokkari
La maladie de Beh et est une affection fr quente en Tunisie, potentiellement grave et pouvant mettre en p ril aussi bien le pronostic vital que visuel. Les manifestations oculaires au cours de la maladie de Beh et sont vari es touchant essentiellement le sujet jeune et rarement le sujet g . Peu d' tudes se sont int ress es aux particularit s de l'atteinte oculaire au cours de la MB chez le sujet g , d'o l'int r t de ce travail. But du travail tait d' tudier les caract ristiques pid miologiques, cliniques, volutives et th rapeutiques des manifestations oculaires au cours de la maladie de Beh et chez le sujet g .Nous avons r alis une tude r trospective portant sur 38 yeux de 21 patients atteints d'oculo-Beh et, sur une p riode de 7 ans. Pour chaque patient on a relev les caract ristiques pid miologiques, cliniques, para cliniques et th rapeutiques.
Oculo-Behçet in der geriatrischen Bevölkerung

Oculo-Behçet in der geriatrischen Bevölkerung

Dorsaf Saadouli; Naouel El Afrit; Mohamed Ali El Afrit

Verlag Unser Wissen
2020
pokkari
Die Beh et-Krankheit ist eine h ufige Erkrankung in Tunesien, potenziell schwerwiegend und potenziell lebensbedrohlich sowie visuell bedrohlich. Die okul ren Manifestationen bei Morbus Beh et sind vielf ltig und betreffen vor allem junge und selten ltere Menschen. Nur wenige Studien haben sich auf die Besonderheiten von Augensch den bei MB bei lteren Menschen konzentriert, daher ist diese Arbeit von Interesse. Ziel der Arbeit war es, die epidemiologischen, klinischen, evolution ren und therapeutischen Charakteristika der okul ren Manifestationen w hrend der Beh et-Krankheit bei lteren Menschen zu untersuchen.Wir f hrten eine retrospektive Studie an 38 Augen von 21 Patienten mit Okulo-Beh et ber einen Zeitraum von 7 Jahren durch. F r jeden Patienten wurden epidemiologische, klinische, paraklinische und therapeutische Merkmale erfasst.
Oculo-Behçet in the geriatric population

Oculo-Behçet in the geriatric population

Dorsaf Saadouli; Naouel El Afrit; Mohamed Ali El Afrit

Our Knowledge Publishing
2020
pokkari
Beh et's disease is a frequent condition in Tunisia, potentially serious and potentially life-threatening as well as visual. The ocular manifestations during Beh et's disease are varied, mainly affecting the young and rarely the elderly. Few studies have focused on the particularities of ocular damage during MB in the elderly, hence the interest of this work. The aim of the work was to study the epidemiological, clinical, evolutionary and therapeutic characteristics of the ocular manifestations during Beh et's disease in the elderly subject.We conducted a retrospective study of 38 eyes of 21 oculo-Beh et patients over a period of 7 years. For each patient, epidemiological, clinical, paraclinical and therapeutic characteristics were recorded.
Oculo-Behçet nella popolazione geriatrica

Oculo-Behçet nella popolazione geriatrica

Dorsaf Saadouli; Naouel El Afrit; Mohamed Ali El Afrit

Edizioni Sapienza
2020
pokkari
La malattia di Beh et una condizione frequente in Tunisia, potenzialmente grave e potenzialmente pericolosa per la vita, oltre che visiva. Le manifestazioni oculari durante la malattia di Beh et sono varie e colpiscono soprattutto i giovani e raramente gli anziani. Pochi studi si sono concentrati sulle particolarit dei danni oculari durante la MB negli anziani, da qui l'interesse di questo lavoro. Lo scopo del lavoro era quello di studiare le caratteristiche epidemiologiche, cliniche, evolutive e terapeutiche delle manifestazioni oculari durante la malattia di Beh et nel soggetto anziano.Abbiamo condotto uno studio retrospettivo su 38 occhi di 21 pazienti oculo-Beh et per un periodo di 7 anni. Per ogni paziente sono state registrate le caratteristiche epidemiologiche, cliniche, paracliniche e terapeutiche.
Oculo-Behçet w populacji geriatrycznej

Oculo-Behçet w populacji geriatrycznej

Dorsaf Saadouli; Naouel El Afrit; Mohamed Ali El Afrit

Wydawnictwo Nasza Wiedza
2020
pokkari
Choroba Beh eta jest częstą chorobą w Tunezji, potencjalnie poważną i potencjalnie zagrażającą życiu, jak r wnież wzrokowi. Objawy okulistyczne podczas choroby Beh eta są zr żnicowane, dotykają gl wnie os b mlodych, a rzadko os b starszych. Niewiele badań koncentrowalo się na specyfice uszkodzeń oczu podczas MB u os b starszych, stąd zainteresowanie tą pracą. Celem pracy bylo zbadanie epidemiologicznej, klinicznej, ewolucyjnej i terapeutycznej charakterystyki objaw w ocznych w okresie choroby Beh eta u osoby starszej.Przeprowadziliśmy retrospektywne badanie 38 oczu 21 pacjent w oculo-Beh et na przestrzeni 7 lat. Dla każdego pacjenta odnotowano cechy epidemiologiczne, kliniczne, parakliniczne i terapeutyczne.
Challenging Cases in Dermatology Volume 2

Challenging Cases in Dermatology Volume 2

Mohammad Ali El-Darouti; Faiza Mohamed Al-Ali

Springer Nature Switzerland AG
2019
sidottu
This book comprehensively covers a range of challenging cases in dermatology. It provides easy to follow guidance on how to successfully diagnose and treat a range of unusual diseases with a range of figures with informative legends and clinical data focused exercises to enable the reader to gain confidence and a deep understanding of why the diagnostic and treatment procedures taken in each case were chosen. Cases covered include follicular disorders, melanocytic diseases, vascular tumors, cutaneous lymphomas, and bullous diseases. This second volume of Challenging Cases in Dermatology systematically describes a range of unusual and rare clinical cases in dermatology. It is therefore a valuable resource for all trainee and practising dermatologists looking to further develop their knowledge and understanding of how to successfully diagnose and treat rare and challenging diseases.
Challenging Cases in Dermatology Volume 2

Challenging Cases in Dermatology Volume 2

Mohammad Ali El-Darouti; Faiza Mohamed Al-Ali

Springer Nature Switzerland AG
2020
nidottu
This book comprehensively covers a range of challenging cases in dermatology. It provides easy to follow guidance on how to successfully diagnose and treat a range of unusual diseases with a range of figures with informative legends and clinical data focused exercises to enable the reader to gain confidence and a deep understanding of why the diagnostic and treatment procedures taken in each case were chosen. Cases covered include follicular disorders, melanocytic diseases, vascular tumors, cutaneous lymphomas, and bullous diseases. This second volume of Challenging Cases in Dermatology systematically describes a range of unusual and rare clinical cases in dermatology. It is therefore a valuable resource for all trainee and practising dermatologists looking to further develop their knowledge and understanding of how to successfully diagnose and treat rare and challenging diseases.