Results 31 to 40 of about 150,828 (314)

A Study on the Improvement of the Fatigue Life of Bearings by Ultrasonic Nanocrystal Surface Modification Technology

open access: yesMetals, 2019
In this study, the effects of ultrasonic nanocrystal surface modification (UNSM) technology on the fatigue life of needle roller bearings were investigated.
Shirmendagva Darisuren   +3 more
doaj   +1 more source

The Identification of Impact Craters from GRAIL-Acquired Gravity Data by U-Net Architecture

open access: yesRemote Sensing, 2022
The identification of impact craters on the Moon and other planetary bodies is of great significance to studying and constraining the dynamical process and evolution of the Solar System.
Zhaoxi Chen, Zidan Chen
doaj   +1 more source

Amyotrophic Lateral Sclerosis as a Multistep Process in the United States: A Population‐Based Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Amyotrophic lateral sclerosis (ALS) is a fatal, progressive neurodegenerative disease that typically results in death within 3–5 years from symptom onset. However, little is known about the environmental exposures, clinical aspects, or social determinants of health factors that may be associated with the disease.
Jasmine Berry   +7 more
wiley   +1 more source

Marine Rare Actinobacteria: Isolation, Characterization, and Strategies for Harnessing Bioactive Compounds

open access: yesFrontiers in Microbiology, 2017
Actinobacteria are prolific producers of thousands of biologically active natural compounds with diverse activities. More than half of these bioactive compounds have been isolated from members belonging to actinobacteria.
Dipesh Dhakal   +4 more
doaj   +1 more source

Arhaeoastronomical analysis of the Levinsadovka sacrificial complex (South Russia) [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2013
The article presents the results of a study of the unique sacrifice of the Levinsadovka sacrificial complex. On it were found large accumulations of animal bones near the buildings. An analogue of this sacrificial complex in the Northern Black Sea region
Vodolazhskaya, L.N., Larenok, V.A.
doaj   +1 more source

Improving Documentation Rates of Contraception and Reproductive Planning in Patients With Rheumatic Disease

open access: yesArthritis Care &Research, EarlyView.
Objective This study aimed to improve contraception and reproductive planning documentation within rheumatology providers’ notes at a single academic center. Methods Female patients aged 18 to 45 years with autoimmune inflammatory rheumatic diseases were identified, and chart review was performed for documentation of contraception and pregnancy ...
Benjamin Moon   +6 more
wiley   +1 more source

The tethered Moon [PDF]

open access: yesEarth and Planetary Science Letters, 2015
34 pages, 10 figures, preprint ...
Anthony R. Dobrovolskis   +3 more
openaire   +3 more sources

Hip morphology‐based osteoarthritis risk prediction models: development and external validation using individual participant data from the World COACH Consortium

open access: yesArthritis Care &Research, Accepted Article.
Objectives This study aims to develop hip morphology‐based radiographic hip osteoarthritis (RHOA) risk prediction models and investigates the added predictive value of hip morphology measurements and the generalizability to different populations. Methods We combined data from nine prospective cohort studies participating in the World COACH consortium ...
Myrthe A. van den Berg   +26 more
wiley   +1 more source

Engineering actinomycetes for biosynthesis of macrolactone polyketides

open access: yesMicrobial Cell Factories, 2019
Actinobacteria are characterized as the most prominent producer of natural products (NPs) with pharmaceutical importance. The production of NPs from these actinobacteria is associated with particular biosynthetic gene clusters (BGCs) in these ...
Dipesh Dhakal   +2 more
doaj   +1 more source

Pterostilbene Suppresses both Cancer Cells and Cancer Stem-Like Cells in Cervical Cancer with Superior Bioavailability to Resveratrol

open access: yesMolecules, 2020
Increasing studies have reported that cancer stem cells (CSCs) play critical roles in therapeutic resistance, recurrence, and metastasis of tumors, including cervical cancer.
Hee Jeong Shin   +3 more
doaj   +1 more source

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