Results 21 to 30 of about 12,904,011 (291)

Modulation of Distribution and Diffusion through the Lipophilic Membrane with Cyclodextrins Exemplified by a Model Pyridinecarboxamide Derivative

open access: yesPharmaceutics, 2023
The main aims of the study were to disclose the influence of the structure on the solubility, distribution and permeability of the parent substances, iproniazid (IPN), isoniazid (INZ) and isonicotinamide (iNCT), at 310.2 K and to evaluate how the ...
Tatyana Volkova   +2 more
doaj   +1 more source

Design and Verification of a Tribo-system for Measuring Ball-raceway Rolling Friction in Smartphone Camera Actuators [PDF]

open access: yes한국정밀공학회지
This study presents a rolling tribometer designed to quantitatively assess ball-raceway friction in ball-guided bearings, which is critical for applications such as smartphone camera actuators, where friction impacts power consumption.
Ju Ho Park   +3 more
doaj   +1 more source

Prediction of the swelling capacity of salt-insensitive superabsorbent polymers in concrete by rheological measurements [PDF]

open access: yesMATEC Web of Conferences, 2019
A study on the macroscopic viscosity of a flowable, fine-grained high-strength mortar was conducted in order to estimate the swelling capacity of two salt-insensitive superabsorbent polymers (SAPs).
Mazanec Oliver   +2 more
doaj   +1 more source

Virtual Screening, Structural Analysis, and Formation Thermodynamics of Carbamazepine Cocrystals

open access: yesPharmaceutics, 2023
In this study, the existing set of carbamazepine (CBZ) cocrystals was extended through the successful combination of the drug with the positional isomers of acetamidobenzoic acid.
Artem O. Surov   +5 more
doaj   +1 more source

Solution intervals for variables in spatial RCRCR linkages [PDF]

open access: yes, 2019
© 2019. ElsevierAn analytic method to compute the solution intervals for the input variables of spatial RCRCR linkages and their inversions is presented. The input-output equation is formulated as the intersection of a single ellipse with a parameterized
Celaya Llover, Enric
core   +1 more source

The forecast of COVID-19 spread risk at the county level

open access: yesJournal of Big Data, 2021
The early detection of the coronavirus disease 2019 (COVID-19) outbreak is important to save people’s lives and restart the economy quickly and safely.
Murtadha D. Hssayeni   +6 more
doaj   +1 more source

The Wahlquist-Newman solution [PDF]

open access: yes, 2001
Based on a geometrical property which holds both for the Kerr metric and for the Wahlquist metric we argue that the Kerr metric is a vacuum subcase of the Wahlquist perfect-fluid solution.
B. Carter   +17 more
core   +3 more sources

Spiked oscillators: exact solution [PDF]

open access: yes, 2010
A procedure to obtain the eigenenergies and eigenfunctions of a quantum spiked oscillator is presented. The originality of the method lies in an adequate use of asymptotic expansions of Wronskians of algebraic solutions of the Schroedinger equation.
Aguilera-Navarro V C   +26 more
core   +1 more source

A comparison of national essential medicines lists in the Americas

open access: yesRevista Panamericana de Salud Pública, 2020
Objectives. To compare national essential medicines lists (NEMLs) from countries in the Region of the Americas and to identify potential opportunities for improving those lists. Methods.
Liane Steiner   +7 more
doaj   +1 more source

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