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A Salmonella-related foodborne outbreak in a snack bar in Jeju Province: an epidemiological investigation [PDF]

open access: yesJournal of Medicine and Life Science, 2021
Many people reported suspected food poisoning after consuming food at the same snack bar on June 18, 2020. Thus, an in-depth epidemiological investigation was conducted to identify the infectious agent and establish additional food poisoning prevention ...
Eun-Suk Cho   +2 more
doaj   +1 more source

Epidemiological investigation of a food-borne outbreak in a kindergarten, Jeju Province, Korea [PDF]

open access: yesEpidemiology and Health, 2023
OBJECTIVES On Monday, September 6, 2021, at a kindergarten in Jeju Province, a large number of children vomited and developed food poisoning symptoms, and this necessitated an epidemiological investigation.
Kyoung Mi Kim   +4 more
doaj   +1 more source

Multiplex PCR method for distinguishing two genotypes of Megalocytivirus isolates in Korea

open access: yesAquaculture Reports, 2021
Megalocytivirus is a genus of piscine viruses that belongs to the Iridoviridae family, and this family includes red seabream iridovirus (RSIV), turbot reddish body iridovirus (TRBIV), and infectious spleen and kidney necrosis virus.
Hanchang Sohn   +6 more
doaj   +1 more source

OUT OF CONTROL: TEENAGERS, SELF-CONTROL, AND RISKY BEHAVIORS

open access: yesAnthropological Researches and Studies, 2022
Obiectives. This systematic review aimed to explore the relationship between low self-control and risky behaviors, in order to identify prophylactic and interventional measures to reduce the dangers to which some adolescents may be exposed.
Flavia-Elena CIURBEA   +2 more
doaj   +1 more source

Optimization Design of Actuator Parameters with Stepless Capacity Control System Considering the Effect of Backflow Clearance

open access: yesApplied Sciences, 2020
The actuator is the key to the stepless capacity control system of a reciprocating compressor. The coupling effect between the actuator and the reciprocating compressor was not considered in the traditional design, and the large design margin led to low ...
Jinjie Zhang   +4 more
doaj   +1 more source

Vibration Control of Tie Rod Rotors With Optimization of Unbalanced Force and Unbalanced Moment

open access: yesIEEE Access, 2020
This paper proposes a method for optimizing unbalanced force and unbalanced moment of the multistage disk based on sequence quadratic program algorithm to solve the vibration problem of gas turbine tie rod rotor.
Yipeng Zhang   +4 more
doaj   +1 more source

Online Incipient Fault Detection Method Based on Improved ℓ1 Trend Filtering and Support Vector Data Description

open access: yesIEEE Access, 2021
Poor model generalization, missing or false alarms, and heavy dependence on expert’s experience are some of the major problems which exist in traditional incipient fault detection (IFD) methods.
Qingfeng Wang   +3 more
doaj   +1 more source

Research on a Multisource Domain Improved Fault Diagnosis Method of the Rotor System

open access: yesIEEE Access, 2022
In this paper, rotor systems of the rotating machinery such as steam turbines, centrifugal compressors and flue gas turbines are selected as the research objects.
Yang Xiao   +3 more
doaj   +1 more source

A Review on Self-Recovery Regulation (SR) Technique for Unbalance Vibration of High-End Equipment

open access: yesChinese Journal of Mechanical Engineering, 2020
The high-end equipment represented by high-end machine tools and aero-engines is the core component of the national intelligent manufacturing plan, and the mass unbalance is the main reason for its excessive vibration, that seriously impacts the ...
Xin Pan   +4 more
doaj   +1 more source

Investigating the Construction, Training, and Verification Methods of k-Means Clustering Fault Recognition Model for Rotating Machinery

open access: yesIEEE Access, 2020
Considerable studies have been carried out in recent years regarding fault diagnosis and prediction for the rotating machinery in industrial plants. However, few works present the use of clustering approaches applied to time series to diagnose machine ...
Qingfeng Wang   +4 more
doaj   +1 more source

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