Results 31 to 40 of about 251,988 (338)
Evidence of combat in triceratops. [PDF]
PLoS ONE, 2009 The horns and frill of Triceratops and other ceratopsids (horned dinosaurs) are interpreted variously as display structures or as weapons against conspecifics and predators. Lesions (in the form of periosteal reactive bone, healing fractures, and alleged
Andrew A Farke +2 more
doaj +1 more source
Multi-physics phenomena influencing the performance of the car horn [PDF]
, 2019 Usually cars are equipped with disk horns. In these devices electromagnetic energy is converted into mechanical energy of two nuclei that vibrate and impact each other \u2013 the impacts excite the disk that radiates sound.
Doria, Alberto +3 more
core +1 more source
Aperture efficiency of chemically etched horns at 93 GHz [PDF]
, 1990 The aperture efficiency of monolithic two-dimensional horn imaging arrays has been optimized at 93 GHz. The imaging arrays consist of several silicon wafers into which arrays of pyramidal horns are etched chemically.
Guo, Yong +4 more
core +1 more source
Westbrook's Molecular Gun: Discovery of Near-IR Micro-Structures in AFGL 618 [PDF]
, 2001 We present high-sensitivity near-IR images of a carbon-rich proto-planetary nebula, AFGL 618, obtained with the Subaru Telescope. These images have revealed ``bullets'' and ``horns'' extending farther out from the edges of the previously known bipolar ...
Burton M. G. +6 more
core +3 more sources
Changes in ovaries and uterus after aglepristone administration in the third week of luteal phase of non-pregnant bitches. [PDF]
PLoS ONE, 2015 The mechanism of aglepristone action in the placentation time in the bitch remains unclear. The aim of this study was to describe the mechanism by which aglepristone influences ovaries and uterus and to measure the levels of steroid sex hormones in non ...
Kamil Kacprzak +5 more
doaj +1 more source
Indirect search for Dark Matter with H.E.S.S [PDF]
, 2007 Observations of the Galactic center region with the H.E.S.S. telescopes have established the existence of a steady, extended source of gamma-ray emission coinciding with the position of the super massive black hole Sgr A*.
Aharonian +19 more
core +2 more sources
MORPHO- ANATOMICAL CHANGES OF AWASSI EWES GENITALIA AT DIFFERENT PHASE OF ESTRUS 2- THE UTERINE [PDF]
Basrah Journal of Veterinary Research, 2006 A total of99 healthy genitalia ofAwassi ewes were collected from AL-Shula . and local abattoirs , Baghdad province , for biometrical measurement of uteri . viz. .weight and length of uterus , no. of caruncles in uterus body and horns .
Mudhaffar N. Al-Saigh +2 more
doaj +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Introduction Spinal cord infarction (SCI) is a rare but devastating myelopathy, characterized by a high disability rate and an unfavorable prognosis. It has often been underdiagnosed and misdiagnosed as idiopathic transverse myelitis (ITM). This study aimed to describe the clinical features, radiological biomarkers, treatments, and functional ...
Zeqiang Ji +13 more
wiley +1 more source
NFB Horn Quartet, September 4, 1988 at 8:30 p.m. [PDF]
, 1988 This is the concert program of the NFB Horn Quartet performance on Sunday, September 4, 1988 at 8:30 p.m., at the Boston University Concert Hall, 855 Commonwealth Avenue, Boston, Massachusetts. Works performed were Quartet No. 3 by B.
School of Music, Boston University
core
Lepidoptera Recorded From the Islands of Western Lake Erie, With a Brief Account of Geology and Flora [PDF]
, 2017 A list of Lepidoptera from the islands of western Lake Erie is presented along with a brief account of the geology, flora, and human activities in the area. The checklist contains 169 species representing 27 families.
Horns, David J +2 more
core +2 more sources