Results 41 to 50 of about 4,105 (180)

Ethnomedicines used in Trinidad and Tobago for reproductive problems [PDF]

open access: yes, 2007
Background Throughout history women have tried to control or enhance their fertility using herbal remedies, with various levels of societal support. Caribbean folk medicine has been influenced by European folk medicine, either through the early Spanish ...
Cheryl Lans
core   +3 more sources

Catálogo sistemático dos polens das plantas arbóreas do Brasil meridional, XXIV: Urticaceae Catalogue of Southern Brazilian pollen grains: XXIV - Urticaceae

open access: yesMemorias do Instituto Oswaldo Cruz, 1976
O estudo da morfologia polínica de alguns gêneros permitiu definir tipos polínicos nas Urticaceae. Assim, em Urera e Urtica ocorrem grãos pantoporados, em Boehmeria 3-porados, em Phenax e pilea 2-porados.
Ortrud Monika Barth
doaj   +1 more source

Exploiting Spiking Neural Networks for Click-Through Rate Prediction in Personalized Online Advertising Systems

open access: yesForecasting
This study explores the application of spiking neural networks (SNNs) for click-through rate (CTR) prediction in personalized online advertising systems, introducing a novel hybrid model, the Temporal Rate Spike with Attention Neural Network (TRA–SNN ...
Albin Uruqi, Iosif Viktoratos
doaj   +1 more source

Triple-Shield Privacy in Healthcare: Federated Learning, p-ABCs, and Distributed Ledger Authentication

open access: yesJournal of Cybersecurity and Privacy
The growing influence of technology in the healthcare industry has led to the creation of innovative applications that improve convenience, accessibility, and diagnostic accuracy.
Sofia Sakka   +6 more
doaj   +1 more source

Urticaceae Juss. do Parque Estadual das Fontes do Ipiranga, São Paulo, SP, Brasil

open access: yesHoehnea
Urticaceae está representada por sete gêneros e 14 espécies na área do Parque. Destas, 11 são nativas e três cultivadas (Pilea cadierei Gagnep. & Guillaumin, Pilea nummulariifolia (Sw.) Wedd. e Boehmeria nivea Jacq.).
Sergio Romaniuc Neto   +2 more
doaj   +1 more source

Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 3., description of dollecting sites, the vegetation of Kahuzi-Biega-National Park/Zaire, Nyungwe Forest and Virunga volcanoes/Rwanda [PDF]

open access: yes, 1993
During the BRYOTROP-Expedition in 1991, 71 collecting sites could be visited. These are situated in the Kahuzi-Biega-National Park/Zaire, the Nyungwe Forest and the Virunga volcanoes/Rwanda.
Fischer, Eberhard
core  

The Scandalmonger: Julian Tuwim [PDF]

open access: yes, 2016
The article attempts to argue that Tuwim’s personality and work can be explained by looking into his early childhood and writing. It is definitely the period inadequately explored by critics.
Łuszczykiewicz, Piotr
core   +2 more sources

Phenological observations and sex ratios in Marchantia chenopoda L. (Hepaticae: Marchantiaceae) [PDF]

open access: yes, 1992
Sex ratios were determined for 15 populations of Marchantia chenopoda L. along Puerto Rico. Sex was determined for twenty randomly selected individuals from each population. A female bias was observed in most populations.
Moyá, María T.
core  

An inventory of invasive alien species in China [PDF]

open access: yes, 2012
Invasive alien species (IAS) are a major global challenge requiring urgent action, and the Strategic Plan for Biodiversity (2011–2020) of the Convention on Biological Diversity (CBD) includes a target on the issue.
Baishi Hu   +21 more
core   +2 more sources

Unrolling of Syngonium podophyllum: Functional Anatomy, Morphology and Modelling of Its Peltate Leaves

open access: yesAdvanced Biology, Volume 9, Issue 11, November 2025.
The unrolling of the peltate leaves in Syngonium podophyllum is analyzed and quantified (left‐hand side to center). These measurements serve to verify a mathematical model for leaf unrolling based on the model used in Schmidt (2007). An additional formula for obtaining a layer mismatch from a prescribed radius is derived.
Michelle Modert   +4 more
wiley   +1 more source

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