Results 211 to 220 of about 836,522 (304)

Optimal model‐based design of experiments for parameter precision: Supercritical extraction case

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study investigates the process of chamomile oil extraction from flowers. A parameter‐distributed model consisting of a set of partial differential equations is used to describe the governing mass transfer phenomena in a cylindrical packed bed with solid chamomile particles under supercritical conditions using carbon dioxide as a solvent ...
Oliwer Sliczniuk, Pekka Oinas
wiley   +1 more source

Economic and environmental implications of the development of UASB reactors in Mexico for sustainable industrial wastewater treatment

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract The objective of this work is to demonstrate that the inclusion of an up‐flow anaerobic sludge bed (UASB reactor) within an industrial wastewater treatment plant reduces the plant's investment and operating costs compared to a system based solely on conventional complete‐mix activated sludge (CMAS), operating under the same design principles ...
Juan Manuel Morgan‐Sagastume   +1 more
wiley   +1 more source

Regional Inequities in Mammography Access and Utilization in Latin America: Ethnic, Rural, and Structural Barriers Identified Through a Narrative Review. [PDF]

open access: yesEpidemiologia (Basel)
Méndez-Domínguez N   +4 more
europepmc   +1 more source

Non‐negative Gaussian estimation of variance components in random effects models

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract When used to estimate variance components (VCs), confidence intervals (CIs) can be truncated at zero, have a point estimate not in the quoted CI, be empty with positive probability, or be all‐inclusive. This is because they have conflicting dual roles, since they are considered to cover the parameter with a specified probability while also ...
André Plante, Michael Plante
wiley   +1 more source

Choice of Neurosurgical Subspecialty Among Trainees in Underserved Communities: Influences on Neurosurgical Trainees' Career Decisions in Andean Latin America. [PDF]

open access: yesNeurosurg Pract
Rivera F   +8 more
europepmc   +1 more source

Opioid Toxicity Following Concomitant Use of Macrolide Antibiotics with Fentanyl, Hydromorphone, or Oxycodone: A Population‐Based Study

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
Fentanyl, hydromorphone, and oxycodone are metabolized by cytochrome P450 3A4 (CYP3A4). Co‐administration with CYP3A4‐inhibiting macrolides (clarithromycin or erythromycin) may increase opioid concentrations and overdose risk, but the clinical impact of these interactions is unknown.
Tony Antoniou   +7 more
wiley   +1 more source

Moyamoya disease in Latin America: A systematic literature review with an illustrative case. [PDF]

open access: yesSurg Neurol Int
Váscones-Román FF   +6 more
europepmc   +1 more source

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