Results 1 to 10 of about 1,383,718 (167)

Evaluation of Radioprotective Efficacy of Drymaria Cordata Extract on Whole-Body Radiation-Induced Hematological Damage in Mice [PDF]

open access: yesIranian Journal of Medical Physics, 2022
Introduction: Ionising radiation in diagnostic and therapeutic radiology is steadily increasing, with clear significant benefits. However, the issues of unwanted radiation exposure to patients and medical workers, which has a hugely deleterious effect ...
Idowu Akomolafe, Naven Chetty
doaj   +1 more source

Annual Recurrence of the Critically Endangered Bowmouth Guitarfish (Rhina ancylostomus) in Djibouti Waters

open access: yesBiology, 2023
The bowmouth guitarfish (Rhina ancylostomus) is among the most endangered of marine vertebrates, and evidence of severe declines and localized extinctions has been reported.
Ginevra Boldrocchi   +5 more
doaj   +1 more source

Location of production Islamic potteries thesaurus Naranjestan Qavam in Shiraz with the implementation of similar examples, samples (10 Pottery) [PDF]

open access: yesنگره, 2017
Bringing together the remaining works of our ancestors in thesauruses, that we call museums today, is our tribute to their efforts, works that are thought-provoking and pleasing to the eye, and achievements of Iranian taste and thought which bear a rich ...
Sareh Bahmani   +2 more
doaj   +1 more source

Study the Effect of Irradiation by Gamma-Ray on the Optical Properties of the Thin Films [PDF]

open access: yesKirkuk Journal of Science, 2010
In this research the effect of irradiation on the optical properties of the pure films CdO was studied prepared of the subjected to Gamma –Ray with energy (0.662MeV ) for (5,10)min and (24)hours .Optical properties results , irradiation Gamma–Ray leads ...
Neraan F. Abd-Aljabaar   +2 more
doaj   +1 more source

Effect of ball milling on NiTi powder metallurgy alloy [PDF]

open access: yesAl-Qadisiyah Journal for Engineering Science, 2022
Mechanical alloying, especially nickel-titanium alloys, has attracted great interest recently as researchers strive to enhance the properties of nanocomposites, expand their usefulness, and how to produce them at minimal costs and produce homogeneous ...
Noor Sami   +2 more
doaj   +1 more source

The Role of Iranian Governments related to the Collapse of the Qom Government in the Third and Fourth Centuries (A.H) [PDF]

open access: yesتاریخ اسلام, 2022
Qom was the crossroads of Central Iran and the home of caravans, and due to its border with the desert, during the first and second centuries (A.H), it maintained its political, economic and intellectual independence against the Caliphate and its ...
Mohammad Reza Rahmati   +2 more
doaj   +1 more source

Biophysical effects of continuous X-rayon the level of [PDF]

open access: yesKirkuk Journal of Science, 2013
The thyroid hormones, thyroxin (T4) and triiodothyronine (T3), are tyrosine-based hormones produced by the thyroid gland primarily responsible for regulation of metabolism. An important component in the synthesis of thyroid hormones is iodine.
Samira Hassan Abdulah
doaj   +1 more source

The Economic Value of Shark and Ray Tourism in Indonesia and Its Role in Delivering Conservation Outcomes

open access: yesFrontiers in Marine Science, 2020
As a hotspot of species diversity and fishing pressure, Indonesia is a global priority for the conservation of sharks, rays and their cartilaginous relatives (herein “sharks”).
Putu Liza Kusuma Mustika   +5 more
doaj   +1 more source

Fast ray tracing by ray classification [PDF]

open access: yesACM SIGGRAPH Computer Graphics, 1987
We describe a new approach to ray tracing which drastically reduces the number of ray-object and ray-bounds intersection calculations by means of 5-dimensional space subdivision. Collections of rays originating from a common 3D rectangular volume and directed through a 2D solid angle are represented as hypercubes in 5-space.
James Arvo, David Blair Kirk
openaire   +2 more sources

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