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4661
COVID-19 vaccine hesitancy among medical and nonmedical undergraduate students: A cross-sectional study
Published 2025-07-01“…Vaccine hesitancy is indirectly related to vaccine coverage, and it is therefore important to reduce it by finding out its prevalence and root cause. …”
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4662
APPLICATION OF PROTECTIVE COATINGS TO IMPROVE OPERATIONAL CHARACTERISTICS OF THE VESSELS
Published 2016-08-01“…The novelty criterion is that when using it creates the possibility of a priori determination of the composition and structure kavitatsionnogo material coverage for specific components of ships, the details of their machines and mechanisms. …”
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4663
Dynamic service migration strategy based on MDP model with multiple parameter in vehicular edge network
Published 2020-01-01“…To handle with the service interruption caused by vehicles’ mobility and limited service coverage of edge servers,a dynamic service migration algorithm based on multi-parameters Markov decision process (MDP) model was put forward for vehicular edge network,which was called as dynamic service migration algorithm based on multiple parameter (DSMMP).Combining delay,bandwidth,server capacity with vehicle motion information,DSMMP constructed a multi-parameters MDP revenue function to remedy the deficiency of distance-based schemes.By using vehicle motion and delay constraints,a candidate server set with several candidate servers was defined,and migration decision through long-term Bellman revenue values was made.In order to improve the dynamic adaptability of the proposed algorithm,the weight values were calculated and updated by leveraging historical information.Simulation results show that our strategy has a good performance in terms of delay,packet loss ratio and service migration times.…”
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4664
Data transmission algorithm of vehicle Ad Hoc network based on channel switching
Published 2018-10-01“…A data transmission algorithm of vehicle Ad Hoc network based on channel switching (DTA) was proposed.In the DTA,three network layers were considered,such as vehicle nodes,relay nodes and sink nodes.The vehicle nodes were classified by the information of vehicle’s driving direction.The vehicle nodes channel distribution and switching mechanism was proposed to reduce the interference of communication.Then a rapid transmission of relay nodes was proposed.A priority transmission method for emergency information was proposed to classify data with different queues and send data as their queues’ priority.Simulation results show that DTA can effectively achieve the rapid transmission of useful information,reduce unnecessary losses of energy,improve the data received rate of sink nodes,reduce the average hop number of data packets and improve coverage rate of data transmission.Under certain conditions,DTA is better than AODV and AODV-L algorithm,and is more suitable for vehicle driving environment of rapid change.…”
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4665
Time Division Switching Scheme and Performance Analysis of Low Orbit Quantum Satellite Communication
Published 2014-04-01“…Low orbit quantum satellite system is used to realize a worldwide secure communication. …”
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4666
Role of Peripheral Blood Smear in Rapid and Confirmative Pertussis Diagnosis: A Case Report
Published 2024-01-01“…Bordetella pertussis was detected and confirmed using real-time polymerase chain reaction based on a positive nasopharyngeal swab.…”
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4667
Sources of financing educational tasks by local government units in Poland
Published 2024-12-01“…The numerical data used in the analysis concern local government units in Poland and come mainly from reports on the implementation of their budgets prepared by the Ministry of Finance. …”
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4668
PRALU language - the tool for verifying digital devices
Published 2018-12-01“…In the UVM methodology, usually used in the modern design of digital devices for functional verification, a testing strategy, that determines the way in which a test case is constructed, is the random selection of space-driven constrained-random transaction-level self-checking testbenches. …”
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4669
Temporal Evolution of Bradford Curves in Academic Library Contexts
Published 2024-10-01“…This paper attributes the deviations from the theoretical J-shape to integer constraints on the number of journals and articles, extending Leimkuhler’s function to encompass highly productive core journals, where the theoretical journal number falls below one. Using the Simon–Yule model, key parameters of the extended formulas are identified and analyzed. …”
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4670
Mesopelagic Mesozooplankton and Micronekton Database
Published 2025-07-01“…Abstract The Mesopelagic Mesozooplankton and Micronekton Database (MMMD) compiles quantitative data on the distribution and density of mesopelagic (200–1000 m) mesozooplankton and micronekton (0.2–20 mm and 20–200 mm) species, using 258 published and unpublished sources spanning from 1880 to 2016. …”
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4671
The politicisation of the climate emergency: the case of the 2019 United Kingdom general election
Published 2021-06-01“…Several key elements can be used to explain why the environment topped the voters’ main concerns, slightly behind Brexit and health, but on a par with crime and the economy: recent natural catastrophes such as the summer heatwaves or the floods in the North of the country and the growing climate awareness among younger citizens. …”
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4672
Comparative evaluation and comparability of satellite and airborne data on the ice content of the Sea of Okhotsk
Published 2015-04-01“…Information on the sea ice coverage is one of the most important for the development of the Sakhalin shelf. …”
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4673
A study of repetitive sequences in the genome of Sinopodisma qinlingensis
Published 2025-04-01“…The genome size of S. qinlingensis was determined to be 11.37 pg for females and 10.95 pg for males using flow cytometry. The analysis of low-coverage sequencing data revealed that the total repeat content of the genome was 63.58%, with long terminal repeat (LTR) elements accounting for 17.74% of the genome contents. …”
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4674
Reconstruction of severe hand contractures: An illustrative series
Published 2011-01-01“…The decision making process is presented as a flow chart indicating when and which flaps were used. Results: Illustrations demonstrate what was achieved, with all hands obtaining an improvement in function. …”
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4675
The Impact of Releasing Domestic Dogs on the Spread of Rabies Disease and Its Prevention
Published 2023-06-01“…If this threshold is exceeded, it becomes necessary to ensure a minimum of 20% vaccination coverage and eliminate at least 1% of rabid dogs.…”
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4676
STRUCTURAL CHANGE IN THE ROMANIAN AGRICULTURE: IMPLICATIONS FOR THE FARMING SECTOR
Published 2018-01-01“…Therefore, the main of this article is to describe the agricultural holdings situation and evolution in 2002-2016 period using data from the Agricultural Census (2002, 2010 years) and Farm Structure Survey (2005, 2007, 2013, 2016 years). …”
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4677
Development and Operation of a Global‐Scale Seismographic Network: The IRIS/USGS GSN
Published 2024-12-01“…The network's breadth of coverage enables images of great earthquakes impossible to obtain from regional networks or array data alone. …”
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4678
Research on the NB-IoT Random Access in LEO Satellite IoT
Published 2021-12-01“…Narrowband internet of things (NB-IoT) technology is widely used in data communications for a large number of low-speed and low-power devices, but it is diff cult to provide services for remote areas that cannot be covered by terrestrial networks.With its global coverage and low cost, the LEO satellite constellation can supplement and expand the terrestrial NB-IoT infrastructure, providing an eff ective solution for the space-based internet of things.Facing the application requirements of space-based internet of things, on the basis of reviewing the NB-IoT system architecture, the challenges of channel environment high dynamic delay and frequency off set faced by the application of NB-IoT technology in the LEO satellite constellation scenario were analyzed.For the uplink random access process, an eff ective user detection and timing synchronization method was designed, which had the advantages of high performance and low complexity, and provided an eff cient receiving method for the LEO satellite NB-IoT uplink random access synchronization.…”
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4679
Gulf Stream Mean and Eddy Kinetic Energy: Three‐Dimensional Estimates From Underwater Glider Observations
Published 2021-03-01“…Those observations are used to make three‐dimensional estimates of mean and eddy kinetic energy, substantially expanding the geographic coverage of prior estimates of subsurface kinetic energy in the Gulf Stream. …”
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4680
A hybrid model based on learning automata and cuckoo search for optimizing test item selection in computerized adaptive testing
Published 2025-05-01“…A learning automaton is used to feed a neural network with the ability to predict a student’s ability based on their response history. …”
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