“…The process involves the addition of a diluted starch solution into a non-solvent, and ultra-sonication aims to reduce the size by breaking the covalent bonds in polymeric material due to intense shear forces or mechanical effects associated with the collapsing of micro-bubbles by sound waves. The current study focuses on starch nanoparticle manufacturing, characterization, and emerging applications.…”
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“…To understand the influence of earthquake action on the liquefaction resistance of saturated sand treated by microorganisms, and to evaluate the effect of microbial technology on sand liquefaction prevention under dynamic load, this study simulated the dynamic stress conditions of saturated sand under shear waves, using the world′s first centrifuge shaking table (R500B), which realizes horizontal and vertical two-way vibration. …”
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“…When driving the piezoelectric transducer (PT: piezo transducer), which is a key device, it is important for the ultrasonic system (using ultrasonic waves of 20 kHz or higher) to operate at a resonant frequency that can maximize the conversion of mechanical energy (vibration) from electrical energy. …”
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“…METHODS: Based on two waves of a prospective cohort study of 5,428 young Swiss men, nested models with and without adjustment for risk factors were used to regress SID, SAT and SATID on preceding behavioural addictions. …”
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“…As evident, COVID-19 is not going away soon hence the findings are relevant for policymakers to proactively plan for the pandemic's upcoming waves and help people be better financially equipped to fight against this or any upcoming crisis, and achieve better mental and physical health.…”
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“…With the emergence of new variants and infection waves, the question now is to find safe protocols for the continuation of school activities. …”
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“…METHODS: Throughout the study period a restricted visitation policy was mandated capturing the first (April 2020) and second (December 2020) waves of the pandemic that allowed one designated family caregiver (i.e., spouses or adult children) per patient to visit the ICU. …”
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“…METHODS AND FINDINGS: A cohort of 739 first-year male university students completed three survey waves over 14 months, providing information on contact and non-contact sexually violent behavior, exposure to SEM, and other theorized confounders of the SEM-SV relationship. …”
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“…In a randomized controlled trial, n = 1144 UV measurements were conducted at the center and periphery of PRAs in a total sample of 144 public parks as part of pretest and posttest measures of use of the PRAs by park visitors for three recruitment waves per city during 2010 to 2014. Following pretest, 36 PRAs received built-shade and 108 did not. …”
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“…Framing guidance, protocols to deal with emergency and primary care delivery, and disseminating information on telemedicine facilities to grassroot level to the community can protect this vulnerable population in the upcoming surge of coronavirus disease 2019 waves.…”
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“…Participants (n = 996) were followed across four waves at 13, 17, 21 and 24 years old. We computed the odds ratio (OR) and 95% confidence intervals for the prevalence of the different smoking states (never smoking, experimenter, less than daily smoker, daily smoker and former smoker), and incidence transitions between these states (to smoking experimenter; to less than daily smoker, to daily smoker; to former smoker) as function of age, parental smoking status and their interaction. …”
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“…RESULTS: A significant increase in alpha waves mean values between T0 and T1 was observed. …”
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“…BACKGROUND: Smartphone can emit two types of electromagnetic waves, static field and dynamic field. Evidence showed the interference from phones to cardiac implantable electronic devices (CIEDs). …”
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“…IOS being an effort independent technique uses sound waves at different frequencies (5–25 Hz) to measure the airway impedance. …”
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“…One explanation for this is that the models omit higher order gravity waves (GWs), and thus the eastward drag caused by these GWs. …”
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“…Methods: Data from two waves of a nationally representative cohort study among Swedish adolescents were used. …”
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“…His potassium was found to be 2.1 mmol/L and an electrocardiogram showed U waves and ST segment changes. He was initiated on 20 mEq of intravenous potassium chloride in 500 mL sodium chloride over one hour, following which his potassium approached normal and his weakness resolved. …”
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“…MATERIALS AND METHODS: We used three waves of data from the National Health and Nutrition Examination Survey (NHANES). …”
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“…It remains critical to vaccinate as many people as possible to limit the morbidity and mortality associated with future epidemic waves.…”
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“…We utilize age and sex-disaggregated data from the southern Indian state of Tamil Nadu across two waves of the pandemic (May 2020 – Nov 2020, and March 2021, to June 2021) and find that there were only ~70% as many detected COVID-19 cases among women as there were among men. …”
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