Results 1 to 10 of about 3,794,455 (130)

Overspeeding characteristics of turbomachinery for gas generator cycle air turbo ramjet engine

open access: yesPropulsion and Power Research, 2022
The main interest in the current study focuses on the possibility of overspeeding for the gas-generator cycle air turbo ramjet (GG-ATR) engine. The authors developed the air turbo ramjet engine and investigated its compressor performance.
Ryojiro Minato   +4 more
doaj   +1 more source

"Lights on the Chapels of Common People" "xnw" [PDF]

open access: yesJournal of General Union of Arab Archaeologists, 2020
: Common people played an important role in ancient Egyptian religion, especially through which is known "popular religion" and "personal piety" , which had wide spread from New kingdom period onwards.
Dr. Hayam Hafez Rawash
doaj   +1 more source

Adaptive system for visualization of the electromagnetic scattering field of aircraft

open access: yesРоссийский технологический журнал, 2021
The space industry has always set ambitious tasks to create unique equipment, including control equipment. Ensuring electromagnetic compatibility (EMC)  of  such systems is carried out at all stages of the life cycle of an aircraft (AC), starting from ...
Z. M. Kurbanismailov   +3 more
doaj   +1 more source

SOME MORPHOLOGICAL ASPECTS OF FORM IN REGULAR DISCRETE STRUCTURES IN DESIGN

open access: yesАрхитектон, 2021
Some aspects of geometric form generation in regular discrete structures for different spheres of design and architecture are elaborated and the main promising directions/trends in their development are identified.
Korotich Andrey V.
doaj   +1 more source

Evaluation of monument trees of Antalya in terms of space and meaning

open access: yesTurkish Journal of Forestry, 2021
In this article, some information was given about monumental trees detected in Antalya so far and 12 of them were introduced. When we look at the findings, the physical characteristics such as height, age, location and meaning of monumental trees ...
Ceren Selim   +2 more
doaj   +1 more source

On Projective 3-Space [PDF]

open access: yesEngineering and Technology Journal, 2009
The purpose of this work is to give some definitions and prove some theorems onprojective 3-space S=PG(3,K) over a field K.Also, the principle of duality in S is given which state that any theorem true in theprojective 3-space concerned with the points ...
Mohammed S.Kirdar, Amal S.Al-Mukhtar
doaj   +1 more source

Earth's curvature and visibility between two points [PDF]

open access: yesVojnotehnički Glasnik, 2012
In this study, the Earth's curvature is analyzed from numerous aspects as well as the visibility between two points on the Earth's surface. It also describes the way and the size of the Earth's part which can be approximated in the plane depending on the
Mirko A. Borisov, Radoje D. Banković
doaj   +1 more source

Clinical and microbiological efficacy of hyaluronic acid gel compared to chlorhexidine in the treatment of gingivitis

open access: yesAdvanced Medical Journal, 2022
Background and objectives: Chemotherapeutic agents have the potential to inhibit plaque growth, reduce gingivitis and improve oral health beyond tooth brushing alone.
Ismael Ibrahim Mohammed   +2 more
doaj   +1 more source

Semi-Automated Segmentation of Geometric Shapes from Point Clouds

open access: yesRemote Sensing, 2022
Building information models (BIM) in the civil industry are very popular nowadays. The basic information of these models is the 3D geometric model of a building structure.
Richard Honti   +2 more
doaj   +1 more source

Comparison of three tree‐ring sampling methods for trace metal analysis

open access: yesJournal of Environmental Engineering and Landscape Management, 2010
Tree‐ring growth analysis can provide information about tree development for forest inventory, environmental assessment, atmospheric and soil monitoring.
Edita Baltrėnaitė   +2 more
doaj   +1 more source

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