Results 1 to 10 of about 2,097,891 (75)

Evaluation of Heavy Metal Pollution in Soils from a Mining Area in Southern Jiangxi

open access: yesKuangchan zonghe liyong, 2023
This is a paper in the field of mining environmental engineering. Contents of heavy metals in 40 soil samples from a mining area in the Southern Jiangxi Province were determined. Results suggest that average contents of Cu, Pb, Zn, Cr, Ni, Cd and Hg were
Deqiang Zhang   +4 more
doaj   +1 more source

A Comprehensive Survey of RGB-Based and Skeleton-Based Human Action Recognition

open access: yesIEEE Access, 2023
With the advancement of computer vision, human action recognition (HAR) has shown its broad research worth and application prospects in a wide range of fields such as intelligent security, automatic driving and human-machine interaction.
Cailing Wang, Jingjing Yan
doaj   +1 more source

Two new species of wasps parasitizing the rare gelechid defoliator Coconympha iriarcha Meyrick (Lepidoptera: Gelechiidae) on Cocos nucifera Linnaeus from India

open access: yesJournal of Asia-Pacific Biodiversity, 2021
The coconut palm, Cocos nucifera L. (Arecales: Arecaceae), is infested by a series of lepidopteran, coleopteran, hemipteran, and acarine pests in India.
C. Binoy   +3 more
doaj   +1 more source

Performance Evaluation of Blockchain Systems: A Systematic Survey

open access: yesIEEE Access, 2020
Blockchain has been envisioned to be a disruptive technology with potential for applications in various industries. As more and more different blockchain platforms have emerged, it is essential to assess their performance in different use cases and ...
Caixiang Fan   +3 more
doaj   +1 more source

Intronic primers reveal unexpectedly high major histocompatibility complex diversity in Antarctic fur seals

open access: yesScientific Reports, 2022
The major histocompatibility complex (MHC) is a group of genes comprising one of the most important components of the vertebrate immune system. Consequently, there has been much interest in characterising MHC variation and its relationship with fitness ...
Jonas Tebbe   +8 more
doaj   +1 more source

The Development of a Critical Appraisal Tool for Use in Systematic Reviews: Addressing Questions of Prevalence [PDF]

open access: yesInternational Journal of Health Policy and Management, 2014
Background Recently there has been a significant increase in the number of systematic reviews addressing questions of prevalence. Key features of a systematic review include the creation of an a priori protocol, clear inclusion criteria, a structured ...
Zachary Munn   +3 more
doaj   +1 more source

Prescription of Antibiotic Prophylaxis for Dental Implant Surgery in Healthy Patients: A Systematic Review of Survey-Based Studies

open access: yesFrontiers in Pharmacology, 2021
Background: Systemic antibiotic prophylaxis is frequently prescribed by dentists performing dental implant surgery to avoid premature implant failure and postoperative infections.
Juan Carlos Bernabeu-Mira   +2 more
doaj   +1 more source

Cosmological redshift distortion: deceleration, bias and density parameters from future redshift surveys of galaxies [PDF]

open access: yes, 1997
The observed two-point correlation functions of galaxies in redshift space become anisotropic due to the geometry of the universe as well as due to the presence of the peculiar velocity field.
Ballinger W. E.   +6 more
core   +4 more sources

Recovery and analysis of ancient beetle DNA from subfossil packrat middens using high-throughput sequencing

open access: yesScientific Reports, 2021
The study of ancient DNA is revolutionizing our understanding of paleo-ecology and the evolutionary history of species. Insects are essential components in many ecosystems and constitute the most diverse group of animals.
Aaron D. Smith   +8 more
doaj   +1 more source

A Comprehensive Survey of Vision-Based Human Action Recognition Methods

open access: yesSensors, 2019
Although widely used in many applications, accurate and efficient human action recognition remains a challenging area of research in the field of computer vision.
Hong-Bo Zhang   +6 more
doaj   +1 more source

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