scholarly journals FEATURES OF THE CONTENT OF CHEMICAL ELEMENTS IN THE CONIFEROUS LARCH GMELINA IN THE AR-EA OF THE UDOKAN COPPER DEPOSIT

2021 ◽  
pp. 191-200
Author(s):  
Vladimir Petrovich Makarov ◽  
Svetlana Vladimirovna Borzenko ◽  
Nadezhda Viktorovna Pomazkova ◽  
Tat'yana Vital'yevna Zhelibo

The article presents materials for the study of the content of chemical elements in the coniferous larch Gmelina (Larix gmelinii (Rupr.) Rupr.) family Pinaceae (syn.: Larix dahurica Turcz. ex Trautv., Larix amurensis Beissn.), growing in the high-altitude region of the North of the TRANS-Baikal territory, near the Udokan copper Deposit. The purpose of the research is to assess the concentration of a number of chemical elements in high-altitude and permafrost soils, while preparing the territory of the copper Deposit for exploitation. Selection of larch plant samples was carried out in the types of larch forests widely distributed in the research area, in June 2011. The analysis of pine needles samples was performed according to approved methods using modern instruments and equipment in the laboratory of Institute of Natural Resources, Ecology and Cryology SB RAS. It was found that in General L. Gmelin needles have a low concentration of chemical elements, which are arranged in the following sequence: Mg> Sr> Al> Ba> Fe > Ti> Ni> Cu> Mn> Hg> Zn> V> Ag> Cr> Pb> Cd> Sb> Co> Se> As. At the same time, mercury is the only element whose concentration in larch conifers is much higher, 3.8 times, than that of land plants. The article presents a correlation table of the interaction of chemical elements. The table shows that titanium, aluminum, zinc, and silver have a greater effect on the content of chemical elements in conifers. The results presented in the article were obtained in the studied area for the first time. It is important to use the results of this work to monitor environmental pollution, to take into account when using larch to obtain medicinal substances, and to increase the productivity of forest plantations. Further research in this area may be related to other areas of distribution of larch forests, geochemical assessment of the region.

2019 ◽  
Vol 6 (4) ◽  
Author(s):  
Taisiya Shepitko ◽  
Igor Artyushenko

Currently, the development of communications in the North is becoming increasingly important for the economy of the Russian Federation. According to the strategy for the development of railway transport until 2030, the construction of the Northern latitudinal passage railway will allow unloading the Trans-Siberian Railway, get transport approaches to the gas and oil fields of the Yamalo-Nenets Autonomous District, and later the Krasnoyarsk Territory, and provide communication with the ports of the Northern Sea Route. The complexity of construction in these regions is due to several reasons: the presence of weak soils in the foundations of structures, the unpredictability of the behavior of frozen soils during freezing-thawing, difficult climatic conditions, and the lack of transport infrastructure. To ensure the stability and sustainability of the subgrade on the Northern latitudinal passage section of the new Obskaya-Salekhard railway line PK 01+50 – PK 06+50, the authors proposed a decision to reinforce the foundation soils with vertical columns of crushed stone. This improvement technology is used in the North for the first time, but it has proven itself in areas with weak foundations. The Northern latitudinal passage section of the new Obskaya-Salekhard railway line PK 01+50 – PK 06+50 is carried out according to the II design principle with the assumption of permafrost thawing. This article has performed and analyzed the modeling of thermophysical processes both with the use of this technology and without it. Conclusions are drawn on the appropriateness of using this technology in the permafrost zone. The results presented in the article are part of the dissertation research I. Artyushenko «Reinforcement of the subgrade base with vertical columns of crushed stone in areas with permafrost soils».


2021 ◽  
pp. 151-164
Author(s):  
Anna Żebrowska

The article is devoted to the situation of the Polish language in Kamarova (the village of Kamarova and neighbouring villages) located in the Myadzyel district of the Minsk region in the north-west of Belarus. It is a research area which appeared in my scientific interests for the first time in 2010, but was known to me much earlier, because I was born and grew up in this part of Belarus. My own memory and regularly conducted research of a linguistic and identity nature make it possible not only to describe the fate of the Polish language and Polishness in this region, but also to trace the changes occurring in the constantly changing reality over several decades. The illustrative material are fragments of autobiographical narra¬tives recorded during the exploration of the mentioned area.


2021 ◽  
Vol 7 (1) ◽  
pp. 1582-1601
Author(s):  
Marek Nowak

Abstract Origins of the Neolithic in the north-eastern part of Central Europe were associated with migrations of groups of the Linear Pottery culture after the mid-sixth millennium BC, as in other parts of Central Europe. During these migrations, a careful selection of settlement regions took place, in terms of the ecological conditions most favourable for agriculture. The enclave-like pattern of the Neolithic settlement persisted into the fifth millennium BC when these enclaves were inhabited by post-Linear groups. The remaining areas, inhabited by hunter-gatherers, were not subject to direct Neolithisation. However, there are some indications of contact between farmers and hunter-gatherers. This situation changed from c. 4000 BC onwards because of the formation and spectacular territorial expansion of the Funnel Beaker culture (TRB). This archaeological unit for the first time covered in a relatively compact way the territory under consideration. The human substratum of this process consisted of both hunter-gatherers and farmers. Consequently, one can discourse about Neolithisation as such only in the former case. Not all Late Mesolithic hunter-gatherers accepted TRB patterns. Those communities still successfully carried on traditional lifestyle, gradually supplementing it with pottery (para-Neolithic). Their Neolithisation ended perhaps only in the first half of the second millennium BC.


Substantia ◽  
2021 ◽  
Vol 5 (2) ◽  
pp. 79-84
Author(s):  
Elena Ginak

This article is timed to the celebration of the International Year of the Periodic Table of Chemical Elements, declared by the UN and UNESCO in connection with the 150th anniversary of the discovery by D. I. Mendeleev of the Periodic Law of Chemical Elements (1869). The article highlights the metrological activity of D. I. Mendeleev and tells about how in the scientific metrological center, he created the Main Chamber of Weights and Measures. Now the D.I. Mendeleyev Institute for Metrology (VNIIM) preserves the memory of the life and activities of the great Russian scientist and encyclopedist. Based on the research carried out in the archives of St. Petersburg and the funds of Metrological Museum, the article for the first time details the history of the formation of the Mendeleev memorial complex on the territory of VNIIM. The contribution of the institute metrologists to the creation of such famous sights of St. Petersburg as the monument to D. I. Mendeleev (sculptor I. Ya. Ginzburg, 1932) and the mural (mosaic) «D. I. Mendeleev Periodic system of elements» (1935) on the occasion of the 100th anniversary of the scientist is shown. All peripteries, related to the installation of the monument - table are described: a selection of options for the arrangement of elements, decoration, manufacturer and manufacturing techniques, coordination with various organizations, solving financing issues.


Botany ◽  
2010 ◽  
Vol 88 (4) ◽  
pp. 345-351 ◽  
Author(s):  
Trevor Goward ◽  
Teuvo Ahti ◽  
John A. Elix ◽  
Toby Spribille

Hypogymnia metaphysodes was first described from Japan and Sakhalin, and later reported from western North America. Here we show that the North American material currently referred to H. metaphysodes differs from that species not only morphologically and chemically, but also in ascospore size and shape. We also show that the North American material is in fact heterogeneous, and can be assigned to two well-defined species here described as new: Hypogymnia recurva sp. nov. and H. wilfiana sp. nov. Both of these lichens contain distinctive secondary metabolites: vittatolic acid in the case of H. recurva, and 2-methylene-3-carboxy-18-hydroxynonadecanoic acid (“apinnatic acid”), reported here for the first time from Hypogymnia , in H. wilfiana. Both of our new species are so far known only from western North America, where they occur primarily as epiphytes on the branches of conifers. Hypogymnia metaphysodes s. str. has not yet been reliably reported from this region and should be excluded from the North American lichen flora.


2020 ◽  
Vol 33 ◽  
pp. 15
Author(s):  
Roi Martínez-Escauriaza ◽  
Claudio Vieira ◽  
Lídia Gouveia ◽  
Nuno Gouveia ◽  
Margarida Hermida

Data obtained from licenses of spearfishers and surveys conducted in 2004 and 2017 allowed for the analysis, for the first time, of the practice of spearfishing in the Madeira archipelago. Only a small percentage of the population practices spearfishing, mostly local young men. Most of them practice the activity with a partner throughout most of the year and along most of the island's coastal areas, although preferentially along the North and Southeast coast. Results show how, in recent years, despite the population of spearfishers decreasing, the abundance in the annual catch potentially increased, probably due to the higher investment of time in this activity. It has been observed that many fishers complement their catches with manual collecting of invertebrates. Overall, 40 teleost fishes and also 4 crustaceans and 8 molluscs were identified. The most frequently captured fish species were parrotfish and white seabream, while limpets were the most collected invertebrates in both selected periods.


2020 ◽  
Vol 81 (2) ◽  
pp. 56-63
Author(s):  
S. A. Karpukhin

The article considers the competition of verbal aspects from a new perspective. Instead of employing the traditional method of demonstrating this phenomenon — an empirical replacement of the aspect of a verb in a phrase with the opposite — the author examines Dostoevsky’s choice between the variants found in different manuscripts of the same text. For the first time, based on a two-component theory of the semantic invariant of a verb type, the aspectual meaning of the selection of a verb aspect is revealed and, as a result of contextual analysis, an artistic interpretation of the selected type is proposed.


Author(s):  
Betrik J Hutapea ◽  
Mesran Mesran ◽  
Siti Nurhabibah

SUMUT Bank is one of the Banks in Indonesia with the name of the company PT. Regional Development Bank of North Sumatra. The North Sumatra Bank has branches in each region in North Sumatra both in the district and in the sub-district, and each of these branches is led by a branch leader or branch head. The head of this branch is responsible for the reversal of the Bank being led. The best and most accomplished branch heads deserve more and more awards. The selection of the best branch heads is selected transparently and structured in the hope that it can be a motivation for all branch heads to be able to further improve the quality and service of the Bank they lead. Making the best branch head selection done manually will take a long time and tends to be less transparent and structured. One solution so that the implementation of the selection can be carried out easily and quickly, it requires a Decision Support System that can provide consistency of assessment. In this study the method used is the VIKOR method (Visekriterijumsko Kompromisno Rangiranje). This method makes cracking on alternatives based on criteria that have been determined with an ideal compromise solution or the best solution, so that this system can later be beneficial for the SUMUT Bank to get the title in determining the best branch head.Keywords: Decision Support System, North Sumatra Bank, Branch Head, Vikor


2018 ◽  
Vol 52 (2) ◽  
pp. 455-462 ◽  
Author(s):  
G. Ya. Doroshina ◽  
I. A. Nikolajev

Sphagnum mires on the Greater Caucasus are rare, characterized by the presence of relict plant communities of glacial age and are in a stage of degradation. The study of Sphagnum of Chefandzar and Masota mires is carried out for the first time. Seven species of Sphagnum are recorded. Their distribution and frequency within the North Caucasus are analyzed. Sphagnum contortum, S. platyphyllum, S. russowii, S. squarrosum are recorded for the first time for the study area and for the flora of North Ossetia. The other mosses found in the study area are listed.


2018 ◽  
Vol 52 (2) ◽  
pp. 397-406
Author(s):  
A. B. Ismailov ◽  
G. P. Urbanavichus

The lichens and lichenicolous fungi of high mountainous landscapes of Samurskiy Ridge were studied in altitudinal range 2400–3770 m a. s. l. for the first time and 112 species are recorded. Among them 33 species, 10 genera (Arthrorhaphis, Baeomyces, Calvitimela, Epilichen, Lambiella, Psorinia, Rufoplaca, Sagedia, Sporastatia, Tremolecia) and 4 families (Anamylopsoraceae, Arthrorhaphidaceae, Baeomycetaceae, Hymeneliaceae) are new for Dagestan, six species (Buellia uberior, Carbonea atronivea, Lecanora atrosulphurea, Lecidea fuliginosa, L. swartzioidea, Rhizoplaca subdiscrepans) are reported for the first time for the Greater Caucasus and two species (Acarospora subpruinata and Rhizocarpon postumum) — for the North Caucasus. Most of the new findings were collected from 3500–3770 m a. s. l.


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