Results 31 to 40 of about 12,881 (199)

Exploring DCO$^+$ as a tracer of thermal inversion in the disk around the Herbig Ae star HD163296 [PDF]

open access: yes, 2018
We aim to reproduce the DCO$^+$ emission in the disk around HD163296 using a simple 2D chemical model for the formation of DCO$^+$ through the cold deuteration channel and a parametric treatment of the warm deuteration channel.
Hogerheijde, M. R.   +6 more
core   +3 more sources

Burial of a Man-At-Arms in Kudash I Burial Ground

open access: yesПоволжская археология, 2017
The article features a comprehensive analysis of items discovered in male burial 160 of Kudash I burial ground – a unique source of materials for the research of interactions between the local and foreign population on the Middle Kama region in 3rd – 5th
Kazantseva Olga A. , Nagiev Zaur Sh.
doaj   +1 more source

A low optical depth region in the inner disk of the HerbigAe star HR5999 [PDF]

open access: yes, 2011
Circumstellar disks surrounding young stars are known to be the birthplaces of planets, and the innermost astronomical unit is of particular interest.
A. Isella   +62 more
core   +3 more sources

Olbian Dolphins and the Issue of Relations of the Lower Bug with the Volga–Urals

open access: yesАрхеология евразийских степей, 2022
The paper examines such first cast coins of the North-Western Black Sea region as bronze arrow coins and dolphins. While arrow coins are characterized by the consistence of shape and the stability of chemical and metallurgical qualities, the Olbian ...
Sergey Ya. Olgovsky
doaj   +1 more source

Balakhchino VIa Site Neolithic Complex in the Kama Mouth Region

open access: yesПоволжская археология, 2019
The materials from one of the Neolithic sites of the Middle Volga Region are analyzing by the authors of the paper. Ceramic finds from the site corresponds to the ceramic tradition of the Neolithic Kama culture in terms of the technical and typological ...
Vybornov Aleksandr A.   +1 more
doaj   +1 more source

Spirals in protoplanetary disks from photon travel time [PDF]

open access: yes, 2016
Spiral structures are a common feature in scattered-light images of protoplanetary disks, and of great interest as possible tracers of the presence of planets.
Heays, A. N., Kama, M., Pinilla, P.
core   +3 more sources

About the Cultural Affiliation of the Neolithic Monuments at the Kama River Mouth

open access: yesАрхеология евразийских степей
The paper deals with the issues of the cultural affiliation of the Neolithic assemblages at the Kama River mouth. The stroked and combed pottery assemblages identified here were initially attributed by A.Kh. Khalikov to the Volga-Kama culture. But, later,
Anatoly V. Somov
doaj   +1 more source

Battle for the truth (marking the 85th birth anniversary of Evgeny Petrovich Kazakov)

open access: yesУченые записки Казанского университета: Серия Гуманитарные науки, 2019
This paper is devoted to the 85th birth anniversary of Evegeny Petrovich Kazakov, a Kazan archaeologist, Leading Research Fellow at the A.H. Khalikov Institute of Archaeology of the Academy of Sciences of the Republic of Tatarstan, as well as the famous ...
K.A. Rudenko, L.F. Nedashkovsky
doaj   +1 more source

The Eccentric Cavity, Triple Rings, Two-armed Spirals, and Double Clumps of the MWC 758 Disk [PDF]

open access: yes, 2018
Spatially resolved structures in protoplanetary disks hint at unseen planets. Previous imaging observations of the transitional disk around MWC 758 revealed an inner cavity, a ring-like outer disk, emission clumps, and spiral arms, all possibly generated
Akiyama, Eiji   +17 more
core   +3 more sources

Artefacts from the Turbinella pyrum shell found at 3rd–4th century sites in the Middle Kama region

open access: yesВестник археологии, антропологии и этнографии, 2018
Starting from the 1950s, researchers have been collecting original artefacts — discs made of obviously non-local shells — in the Middle Kama region. In the 1990s, the source region for such molluscs was determined to be the coastline of India. Since then,
Goldina R.D.
doaj   +1 more source

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