Results 41 to 50 of about 575,267 (307)
Modified Erlang Loss System for Cognitive Wireless Networks
Mathematics, 2022 This paper considers a modified Erlang loss system for cognitive wireless networks and related applications. A primary user has pre-emptive priority over secondary users, and the primary customer is lost if upon arrival all the channels are used by other
Evsey Morozov +3 more
doaj +1 more source
Hepatitis C infection among injecting drug users in England and Wales (1992-2006): there and back again? [PDF]
, 2009 Changes in hepatitis C virus (HCV) prevalence from 1992 to 2006 were examined by using 24,311 records from unlinked anonymous surveillance of injecting drug users in England and Wales.
Hope, Vivian D +10 more
core +1 more source
Centrifugal Pump Mechanical Design, Analysis, And Testing [PDF]
, 2001 Tutorialpg. 119This tutorial discusses hydraulic and mechanical issues that are of primary importance in centrifugal pumps and their systems, and how pump users can best address these issues.
Marscher, William D., Case, Greg
core +1 more source
Primary and substance-induced psychotic disorders in methamphetamine users [PDF]
, 2015 This study investigates the rates of primary psychotic disorders (PPD) and substance-induced psychotic disorders (SIPDs) in methamphetamine (MA) users accessing needle and syringe programs (NSPs).
Kavanagh, David J. +15 more
core +1 more source
BMC Family Practice, 2019 Background The public primary healthcare system in Greece has not been fully developed and is delivered by urban and rural health centers, outpatient departments in public hospitals and the recently established first-contact and decentralized local ...
Daphne Kaitelidou +8 more
doaj +1 more source
Multimorbidity in patients enrolled in a community-based methadone maintenance treatment programme delivered through primary care [PDF]
, 2014 Background: Multimorbidity, the co-existence of two or more (2+) long-term conditions in an individual, is common among problem drug abusers. Objective: To delineate the patterns, multimorbidity prevalence, and disease severity in patients enrolled in a ...
Diane E. Arnold-Reed +11 more
core +2 more sources
Application Of Ultrasonic Technology To Improve The Reliability Of Magnetic-Drive Centrifugal Pumps [PDF]
, 2016 LectureIt is widely acknowledged that sealless magnetic drive pumps give total containment of the pumped process liquid, which in an industry where there are ever tightening environmental constraints on plant operation and increasing health and safety ...
Clark, David +2 more
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen +23 more
wiley +1 more source
Demographic and Socioeconomic Characteristics Among Primary Health Care Users Diagnosed with Osteoarthritis in Albania [PDF]
, 2015 Demographic and Socioeconomic Characteristics Among Primary Health Care Users Diagnosed with Osteoarthritis in Albania. Hoxha F, Tafaj A, Roshi E, Burazeri G. Mater Sociomed. 2015 Jun;27(3):163-6. doi: 10.5455/msm.2015.27.163-166. Epub 2015 Jun 8.
Tafaj, A. +3 more
core +1 more source
Queue management for two-user cognitive radio with delay-constrained primary user [PDF]
Computer Networks, 2018 Abstract In this paper, two novel Queue Management Policies (QMP) are proposed for Quality of Service (QoS) enhancement of a two-user Cognitive Radio Network (CRN) comprising a Primary User (PU) and Secondary User (SU), the latter having non-causal information on PU’s messages (or packets).
Kamal Adli Mehr +2 more
openaire +3 more sources