Results 21 to 30 of about 58,216 (258)

Coupled extinction–regression episodes revisited in mid-oceanic settings for comparative extinction study during the Palaeozoic in view of non-bolide extraterrestrial causes [PDF]

open access: yesEstonian Journal of Earth Sciences, 2023
Major change in the Earth’s surface temperature appears to be the most critical and universal factor for inducing coevally multiple kill mechanisms for organisms during the global environmental change episodes.
Yukio Isozaki
doaj   +1 more source

Lactobacilli spp.: real-time evaluation of biofilm growth

open access: yesBMC Microbiology, 2020
Background Biofilm is a fundamental bacterial survival mode which proceeds through three main generalized phases: adhesion, maturation, and dispersion. Lactobacilli spp.
Stacy Martinez   +9 more
doaj   +1 more source

Cytokine profiles and species presence in pre-menopausal subjects with genital or colonization

open access: yesWomen's Health, 2021
Background and Purpose: Lactobacilli play a vital role in protecting the vagina against pathogens. Cytokines are vital components of defense against infections in women.
John Garza   +4 more
doaj   +1 more source

A post-operative reaction to povidone‑iodine in a postpartum woman: A case report

open access: yesCase Reports in Women's Health, 2022
Introduction: High infection rates after cesarean section are a major concern in the United States. A majority of antiseptics have irritant properties if they are not used as specified in companies' guidelines.
Sanjana Rao   +4 more
doaj   +1 more source

End-Permian (252 Mya) deforestation, wildfires and flooding—An ancient biotic crisis with lessons for the present

open access: yesEarth and Planetary Science Letters, 2020
Current large-scale deforestation poses a threat to ecosystems globally, and imposes substantial and prolonged changes on the hydrological and carbon cycles.
V. Vajda   +8 more
semanticscholar   +1 more source

Carbon dioxide (CO2) laser ablation treatment of a peri-urethral genital wart: A case report

open access: yesCase Reports in Women's Health, 2020
Background: Visible genital warts are caused by the nearly 100 recognized strains of human papillomavirus (HPV). HPV infections caused by high-risk strains are associated with significant morbidity and mortality rates.
Paula Gutierrez   +5 more
doaj   +1 more source

Optimizing initial oil production of horizontal Wolfcamp wells utilizing data analytics

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
Machine learning techniques have fundamentally altered how oil and gas industry practitioners design fracture operations. In this paper, we perform data analytics utilizing response surface methodology (RSM), a group of statistical techniques that ...
A. Alzahabi   +3 more
doaj   +1 more source

Evaluating the Synthesis Model of tutoring across the educational spectrum

open access: yesStellenbosch Papers in Linguistics Plus, 2019
The goal of this study is to verify a grounded theory model of tutoring developed by Babcock, Manning and Rogers (2012) using qualitative research literature as data.
Babcock, Rebecca Day   +3 more
doaj   +1 more source

Transformation of struvite from wastewater to a hydrogen fuel storage compound ammonia borane

open access: yesFrontiers in Chemistry, 2023
Ammonia borane (NH3BH3) is a carrier of hydrogen gas that is known as a carbon-free renewable energy source. A high hydrogen content of ammonia borane and its stability in air at ambient temperatures make it a valuable molecule for its potential use as a
Nin Dingra   +4 more
doaj   +1 more source

Key structural periods and Permian tight gas accumulation response in Hangjinqi area, Ordos Basin

open access: yesShiyou shiyan dizhi, 2021
Critical tectonic period is a critical time point that characterizes the genetic connection and causal relation (accumulation response) between tectonic effect and oil/gas accumulation in large superposition basins, it is also an important "window" for ...
Kaiping LUO   +4 more
doaj   +1 more source

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