Results 11 to 20 of about 76,584 (187)
Semihollow-Lifting Modules and Projectivity
مجلة بغداد للعلوم, 2022 Throughout this paper, T is a ring with identity and F is a unitary left module over T. This paper study the relation between semihollow-lifting modules and semiprojective covers. proposition 5 shows that If T is semihollow-lifting, then every semilocal
Anfal Hasan Dheyab +2 more
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Assessment of the recreational transformation of the grass cover of public green spaces
Agrology, 2021 The paper reveals regularities of grass projective cover variation depending on the level of recreational transformation of public green spaces, taking into account stand density and soil electrical conductivity.
N. V. Yorkina +6 more
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Projective covers over local rings [PDF]
Annali di Matematica Pura ed Applicata (1923 -), 2021 AbstractWe describe the structure of the projective cover of a module $$M_R$$ M R over a local ring R and its relation with minimal sets of generators of $$M_R$$ M R
Ercolanoni S., Facchini A.
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Известия ТИНРО, 2020 Dominant species are identified at infracenotic level for aquatic vegetation in the sublittoral zone of the northwestern Tatar Strait (Japan Sea) on the data collected in 2010–2019.
A. A. Dulenin
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Peculiarities of the weed infestation of young paulownia (Paulownia tomentosa L.) stands
Карантин і захист рослин, 2023 Goal. To study the weeding processes of young Paulownia tomentosa (Paulownia tomentosa L.) plantations for the further development of an effective weed protection system in the conditions of the Forest Steppe of Ukraine. Methods.
H. Nychkaliuk
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The condition of the epiphytic lichens of dark coniferous forest in the area of the outbreak of ips sexdentatus boern on the Maly Abakan site of Khakassky nature reserve [PDF]
BIO Web of Conferences, 2021 The study presents data on the condition of the thalli of epiphytic lichens, their occurrence and projective cover on the sample plots located in the area of the outbreak of Ips sexdentatus Boern on the Maly Abakan site of Khakassky Nature Reserve.
Larina Оlga, Макееva Еvgenia
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Ecological aspect of the soil mechanical resistance in the oak forest of the steep bank
Vìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Bìologìâ, Ekologìâ, 2010 The obtained data revealed that soil mechanical resistance is an important factor affected many essential ecological properties of the biogeocoenosis.
O. М. Kunah, A. A. Baldin
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A Geometric characterization of Arithmetic Varieties [PDF]
, 2002 A result of Belyi can be stated as follows. Every curve defined over a number field can be expressed as a cover of the projective line with branch locus contained in a rigid divisor.
Paranjape, Kapil Hari
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Modern Technologies and Scientific and Technological Progress, 2020 The actual problems, being of world importance: environmental protection, planet pollution, charity are considered.
Alena Boycova, Nadezhda Grin
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Epigeic bryophytes of Bryansk parks and prospects for their use in landscape architecture [PDF]
E3S Web of ConferencesStudies of epigeal bryophytes growing on the territory of public facilities in Bryansk have been carried out and the prospects of using mossy ones for the landscape organization of an urbanized environment have been considered. The studies were conducted
Adamovich Igor +6 more
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