Results 11 to 20 of about 385,949 (300)
Objective – is to analyze the content of chlorophylls and carotenoids in the 1–4-year-old blue-coloured needles of Picea pungens Engelm. trees in street plantings of Kryvyi Rih city exposed to emissions of large metallurgical combine as well growing in ...
I.I. Korshykov +2 more
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Cosmic Needles versus Cosmic Microwave Background Radiation [PDF]
It has been suggested by a number of authors that the 2.7K cosmic microwave background (CMB) radiation might have arisen from the radiation from Population III objects thermalized by conducting cosmic graphite/iron needle-shaped dust.
Aguirre A. N. +16 more
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Two-year-old needles were collected from 429 individuals of dwarf mountain pine (Pius mugn Turra) from 10 populations of this species growing in the Tatra Mts. (5 populations from calcareous and 5 from calcium-free undersoil).
Maria Bobowicz, Maria Kzrakowa
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Thermostability of antioxidant enzymes in tissues of Scots pine in heat shock conditions [PDF]
Samples of needles from the middle part of the crown and cambial zone scrapings, which includes cambium cells and nonlignified xylem cells from five stems of 15 years old Scots pine Pinus sylvestris L.
N. E. Sudachkova +3 more
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Relationships between tree and soil properties in Picea abies and Pinus sylvestris forests in Sweden [PDF]
The exchange of elements between plants and the soil in which they are growing creates reciprocal control of their element composition. Within plants, the growth rate hypothesis from ecological stoichiometry implies a strong coupling between C, N, and P.
Ladanai, Svetlana +2 more
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Often in tropical practice there is not time or conditions to do a proper autopsy on a patient who has died. A needle biopsy technique is described for limited closed autopsy examination to clariffy organ histology. In this way the clinician may resolve puzzling fatal disease.
openaire +4 more sources
Study on the Component and Distribution Characteristics of Needle-like Inclusions in Rose Quartz
BACKGROUND The needle-like inclusions in rose quartz are considered to be rutile or dumortierite, and their orientation is related to the c-axis. However, there is no consensus on this statement.
HU Zhe, GUO Ying
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PSEUDOANEURISMA DA ARTÉRIA FEMORAL PROFUNDA
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Miguel Lemos Gomes +3 more
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Features of elemental composition and pigment complex of the Siberian larch needles under impact of Irkutsk aluminum smelter emissions [PDF]
The paper presents data on the content of 32 chemical elements in the needles of the Siberian larch Larix sibirica Ledeb. trees growing at different distances from the Irkutsk aluminum smelter (IrkAS), as well as in the background areas. It is shown that
L. V. Afanas’eva +3 more
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A comparative study of the needle folded mesophyll in Pinus and Cedrus (Pinaceae) species
Background. The structure of the assimilatory tissue of the leaves at conifers studied mainly on cross-sections. The purpose of the study is to compare the features of the 3D forms of assimilative cells and the structure of the needle mesophyll in the ...
G.K. Zvereva
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