New results for the Liebau phenomenon via fixed point index
We prove new results regarding the existence of positive solutions for a nonlinear periodic boundary value problem related to the Liebau phenomenon. As a consequence we obtain new sufficient conditions for the existence of a pump in a simple model.
Cid, José Ángel +3 more
core +1 more source
ABSTRACT Background Less than 25% of individuals with opioid use disorder access medication treatment. Lower income and segregated Black and Hispanic communities often have little to no access to services. In 2021, the Drug Enforcement Administration authorized opioid treatment programs to add mobile units to their licensure, extending treatment to ...
Abigail T. Elmes‐Patel +4 more
wiley +1 more source
On the stability of some linear nonautonomous systems [PDF]
Stability of linear nonautonomous systems described by differential equations with time varying ...
Infante, E. F.
core +1 more source
Bryophytes from the Republic of Equatorial Guinea (West Central Africa) : 6., Cololejeunea iradieri sp. nov., Cololejeunea magna stat. nov. and their relations to similar species [PDF]
The group of African Cololejeunea species with a heart-shaped perianth and elongate marginal leaf cells has been studied. Cololejeunea iradieri is described as new from Equatorial Guinea (West Central Africa), while Cololejeunea harrisii Pócs var.
Heras Pérez, Patxi +1 more
core
Oscillation criteria for differential equations with several retarded arguments
Consider the first-order linear differential equation with several retarded arguments $$ x^{\prime}(t)+\sum\limits_{i=1}^{m}p_{i}(t)x(\tau_{i}(t))=0,\;\;\;t\geq t_{0}, $$ where the functions $p_{i},\tau_{i}\in C([t_{0,}\infty),\mathbb{R}^{+}),$ for every
Infante, Gennaro +2 more
core +1 more source
Acceptability and effectiveness of Ohio START: A child welfare service delivery model
Abstract Objective This study aimed to explore the potential effects of a child welfare service delivery model called Ohio START (Sobriety, Treatment, And Reducing Trauma), a certified affiliate of the national START (Sobriety, Treatment, and Recovery Teams) model, which supports families through case closure.
Charis Stanek +8 more
wiley +1 more source
Tumores de Células Germinativas Testiculares: Casuística do Hospital CUF Infante Santo
INTRODUÇÃO: Os tumores de células germinativas são tumores raros, constituindo 1% a 2% do total das neoplasias malignas e cerca de 5% do total dos tumores malignos urológicos. Originam-se no testículo em mais de 90% dos casos.
Orlando Nunes +7 more
doaj +1 more source
Statistical and analytical procedure for the estimation of the provenance of archaeological ceramics [PDF]
The chemical compositions of several archaeological, ethnographic and clay samples have been determined. That allowed, by means of an appropriate statistical procedure, to estimate the probability that archaeological ceramic samples from Casa do ...
Castro, F.
core
Un oficio del siglo XX: Guillermo Cabrera Infante en su laberinto fílmico
El presente trabajo explora las relaciones entre literatura y cine en la obra de Guillermo Cabrera Infante. Para ello presenta dos bloques temáticos interrelacionados.
Javier Fernández Díaz
doaj
Sagres um lugar na história e no património universal [PDF]
Artigo cujo texto constitui a comunicação apresentada às VI Jornadas Regionais sobre Monumentos Militares, realizadas em Vila do Bispo, Lagos Silves, Loulé e Faro, de 28 de Novembro a 1 de Dezembro de 1986, sob a égide da APAC - Associação Portuguesa dos
Mesquita, José Carlos Vilhena
core

