Results 91 to 100 of about 519,002 (319)

The role of KLF4 in human primordial germ cell development

open access: yesOpen Biology
Primordial germ cells (PGCs) are the founder cells that develop into mature gametes. PGCs emerge during weeks 2–3 of human embryo development. Pluripotency genes are reactivated during PGC specification, including Krüppel-like factor KLF4, but its ...
Sun-Min Lee   +2 more
doaj   +1 more source

Early motor development is abnormal in complexin 1 knockout mice

open access: yesNeurobiology of Disease, 2007
Complexin I expression is dysregulated in a number of neurological diseases including schizophrenia and depression. Adult complexin 1 knockout (Cplx1−/−) mice are severely ataxic and show deficits in exploration and emotional reactivity.
Dervila Glynn   +2 more
doaj   +1 more source

Image segmentation and feature extraction for recognizing strokes in tennis game videos [PDF]

open access: yes, 2001
This paper addresses the problem of recognizing human actions from video. Particularly, the case of recognizing events in tennis game videos is analyzed. Driven by our domain knowledge, a robust player segmentation algorithm is developed real video data.
Heijden, F. van der   +3 more
core   +1 more source

Research on the difference of stroke characteristics and stroke effect between different stroke duration of table tennis players

open access: yesScientific Reports
This study aimed to explore the differences in joint kinematic characteristics and stroke effect between fast and slow strokes of table tennis players. Thirty-four table tennis players were randomly selected as participants for this experiment.
Jiajie Tian, Yi Xiao
doaj   +1 more source

Excavation in a Historic Cemetery Milam Park Renovation Phase II [PDF]

open access: yes, 1995
Phase n of archaeological investigations at Milam Park in downtown San Antonio, Texas, were conducted by staff members from the Center for Archaeological Research (CAR) of The University of Texas at San Antonio. This project consisted of shovel tests and
Tennis, Cynthia L.
core   +2 more sources

Tennis

open access: yes, 1995
Le système des sports organisés est actuellement en pleine mutation. Le tennis y occupe la deuxième place depuis 1979 et il est aussi le premier sport féminin. Il a connu un développement explosif entre 1975 et 1986. C'est pour évaluer les modalités socio-spatiales de sa diffusion, le renouvellement social des pratiquants et les transformations de l ...
Rollan, Françoise, Reneaud, Martine
openaire   +2 more sources

MSFFNet: Multiscale Feature Fusion Network for Small Target Detection in Remote Sensing Images

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
ABSTRACT With the advancement of satellite remote sensing technology, object detection based on high‐resolution remote sensing imagery has emerged as a prominent research focus in the field of computer vision. Although numerous algorithms have been developed for remote sensing image object detection, they still suffer from challenges such as low ...
Hui Zong   +5 more
wiley   +1 more source

Biocultural synthesis of adolescence: a roadmap to advance the field Synthèse bioculturelle de l'adolescence : une feuille de route pour faire avancer la recherche

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Adolescence is an expansive, dynamic period within the life course, covering a broad age range (10‐24 years) and a cascade of biological and cultural changes. However, biocultural approaches to adolescence have been less well developed within existing research compared to child and adult counterparts.
Delaney Glass, Emily Emmott
wiley   +1 more source

Home - About - Disclaimer - Privacy