Results 41 to 50 of about 65,091 (192)

Global security and ecology

open access: yesGeofísica Internacional, 1990
Se presentan algunas consideraciones nuevas sobre seguridad global y en particular sobre su componente ecológica. Estas consideraciones se basan en una reciente resolución del Instituto Internacional de Aná1isis Aplicado de Sistemas. doi: https://doi.org/
K. Ya. Kondratyev
doaj   +1 more source

Peculiarities of the solar wind interaction with the upper atmospheres of Venus and Mars

open access: yesGeofísica Internacional, 1980
Mediciones de plasma y de campos magnéticos en Venus y Marte así como observaciones de radio ocultamiento de satélites por sus atmósferas y ionosferas superiores revelan algunas diferencias y semejanzas en la configuración del flujo del viento solar ...
T. K. Breus
doaj   +1 more source

Formulation of the theory of perturbations for complicated models. Part II: weather prediction.

open access: yesGeofísica Internacional, 1975
En este artículo se presenta la aplicación de funciones conjugadas y teoría de perturbaciones al problema de predicción del tiempo.
G. I. Marchuk
doaj   +1 more source

Further observations on the activity of Y chromosome heterochromatin in Rumex thyrsiflorus

open access: yesActa Societatis Botanicorum Poloniae, 2015
Observation of premeiotic nuclei of plants containing different numbers (from one to five) of Y chromosomes reveal that is such plants prior to meiosis all Y chromosomes are in fuzzy state, while in nuclei of tapetal cells or nuclei from anther stalk the
J. Żuk, Z. Bolkhovskikh
doaj   +1 more source

The action of therapeutic ultrasound on the catalytic activity of the dissociating enzymes

open access: yesArchives of Acoustics, 2015
The action of low intensity therapeutic ultrasound (0.88 MHz; 0.05 – 1.0 W/cm^2) on the activity and dissociation of the enzymes with labile quarternary structure was investigated (creatine kinase – CS, pyruvate kinase – PK, hexokinase HK and urease). It
N. A. ROZANOVA, E. P. CHETVERIKOWA
doaj  

Social-economic integration of Greek repatriates from the former USSR: obstacles to entry into the Greek labor market [PDF]

open access: yes
The purpose of this study is to examine the demographic and social/cultural characteristics of ethnic Greeks from the former USSR and the extent that these characteristics affect their integration into the Greek labor market. For achieving this target we
Halkos, George
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12.8 USSR TM, 1g, Uri

open access: yes
This image reflects a subject identified as Uri, standing or walking on a USSR ...

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Film reel S48: USSR (continued), China

open access: yes, 1982
Super 8 film footage recorded 1982. USSR: Urgentsch [Urgench], Tashkent, Frunze [Bishkek?], Moscow, Leningrad.
Groger-Wurm, Helen (1921-2005)
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Telegram Regarding Venezuela-USSR Relations

open access: yes, 1968
Telegram stating the strong, negative impact USSR intervention in Czechoslovakia has had on Venezuelan-USSR ...
United States. Embassy (Venezuela)
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29.69 S87-26067 USSR Launch

open access: yes
An image of a USSR ...

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