Zobrazeno 1 - 6
of 6
pro vyhledávání: '"L. V. Shvedov"'
Publikováno v:
Soviet Powder Metallurgy and Metal Ceramics. 14:490-494
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ecae6c6a869e92907ef336b28c18564
https://doi.org/10.1007/bf00823509
https://doi.org/10.1007/bf00823509
Autor:
L. V. Shvedov
Publikováno v:
Problems in Economics. 18:45-54
The determination of the economic effectiveness of capital investment in the tourist industry is part of the general problem of determining the effectiveness of one-time expenditures. Under present conditions, in a number of instances such an indicat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35196fbac080df790dfdfaa3166ffa4c
https://doi.org/10.2753/pet1061-1991181245
https://doi.org/10.2753/pet1061-1991181245
Publikováno v:
Soviet Powder Metallurgy and Metal Ceramics. 15:556-559
1. The calcining of a mixture of magnesium, manganese, and iron sulfates at temperatures of up to 420°C results in their full dehydration. 2. Intense decomposition of these sulfates is observed in the temperature range 620–750°C. 3. Full decompos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2f26dad2a3b157e38ccf1e88abb7e34
https://doi.org/10.1007/bf00810501
https://doi.org/10.1007/bf00810501
Publikováno v:
Тонкие химические технологии, Vol 8, Iss 1, Pp 106-111 (2013)
The influence of substances containing biogenic elements (potassium chloride, sodium phosphate, ammonium nitrate, potassium and urea nitrate) on phytoextraction degree of cadmium from soil by cultivated oat (Avena sativa L.), cutting lettuce (Lactuca
Externí odkaz:
https://doaj.org/article/a47eae4030464cee9870b438e5b8d356
Publikováno v:
Тонкие химические технологии, Vol 5, Iss 5, Pp 102-105 (2010)
Succinic acid influence on migration properties of lead and cadmium in soil-plant system has been investigated. It has been shown that the addition the activator (succinic acid) into soil increases the efficiency of phytoextraction of lead and cadmiu
Externí odkaz:
https://doaj.org/article/dcaa1e877f3c47e68573449656e76732
Publikováno v:
Тонкие химические технологии, Vol 3, Iss 6, Pp 67-74 (2008)
The approach of estimation of a level of anthropogenic impact on ecosystems as a function of properties of plant associations has been proposed. In the course of investigation it was established that it is possible to estimate the growth degree of an
Externí odkaz:
https://doaj.org/article/5e2d4ff1634c4768a0fb730a5e9b15a7