Výsledky vyhledávání - "Rasma Tretjakova"

Akademický článek

Lake Zeiļu Clay Application Induced Changes in Human Skin Hydration, Elasticity, Transepidermal Water Loss and PH in Healthy Individuals

Autor: Samanta Marija Misiņa, Rasma Tretjakova, Sergejs Kodors, Aleksejs Zavorins

Publikováno v: Cosmetics, Vol 7, Iss 3, p 51 (2020)

Clay has a great biomedical application potential, however there are just a few instrumental studies and the impact of lake clay on the skin has not yet been studied. The DermaLab skin analysis system (Cortex Technology) was used for hydration, elast

Externí odkaz: https://doaj.org/article/0be1f2ad1ac348138fc769c47a5c95a1

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Water Care System (WCS) for Numeric Water Quality Criteria (NWQC) with IoT/IoUT–Educational Implications of Sustainability Goal SDG 14

Autor: Rasma Tretjakova, Hans-Petter Halvorsen, Hakon Viumdal, Saba Mylvaganam, Josef Timmerberg, Jean Marc Thiriet

In most developing countries and evolving countries, availability of potable water is scarce, and the water sources are very often unattended or unmonitored. Island states have the additional problems associated with unheeded pollution from wastewate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c617615a4960757c91048097e4c1dae
https://hdl.handle.net/11250/3062775

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BIOINDICATION AS AN ECOLOGICAL MONITORING METHOD IN REZEKNE CITY

Autor: Larisa Reinikova, Rasma Tretjakova

Publikováno v: HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference; No 25 (2021): Human. Environment. Technology; 156-163

The article discusses methods of air bioindecation using lichens and the condition of needles in conifers. Monitoring methods and air quality are described. Methods of methods for analyzing air by studying lichen on trees are described, three methods

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5470685476e083057931c2e1ec6442d9
http://journals.rta.lv/index.php/HET/article/view/6797

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Lake Zeiļu Clay Application Induced Changes in Human Skin Hydration, Elasticity, Transepidermal Water Loss and PH in Healthy Individuals

Autor: Sergejs Kodors, Rasma Tretjakova, Samanta Marija Misiņa, Aleksejs Zavorins

Publikováno v: Cosmetics
Volume 7
Issue 3
Cosmetics, Vol 7, Iss 51, p 51 (2020)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3828b52b46fb6de681a5410e21888be

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CLAY DETECTION IN LAKES OF LATGALE USING GROUND PENETRATING RADAR

Autor: Juris Soms, Sergejs Kodors, Aigars Alksnis, Rasma Tretjakova

Publikováno v: Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference; Vol 1 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 1; 291-297
ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol 1 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 1; 291-297

The most common method to determine the presence of clay in lakebed is coring method. This method requires survey of the whole lake area using stratified sampling method which is time and physical labour consuming process. To lessen the amount of cor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a82d3fa759debbc6c221b647558c9a4
http://journals.rta.lv/index.php/ETR/article/view/4046

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INVESTIGATION OF STRUCTURE AND COMPOSITION OF CLAY IN LAKES OF LATGALE FOR PRACTICAL USE

Autor: Rasma Tretjakova, Gotfrīds Noviks, Gundars Mežinskis

Publikováno v: Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference; Vol 1 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 1; 298-303
ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol 1 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 1; 298-303

Sedimentary clay of three Latvia region of Latgale lakes – Zeiļi, Pauguļi and Plusons – was investigated. Mineral composition was determined by X-ray diffraction, the average size and size distribution of particles by dynamic light scattering m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43c4832ea8eb0e16b4ea33635c59fcea
http://journals.rta.lv/index.php/ETR/article/view/4069

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MINERAL COMPOSITION OF SOME LATGALE LAKE SEDIMENTS

Autor: Andris Karpovičs, Rasma Tretjakova

Publikováno v: ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol 1 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 1; 304-306
Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference; Vol 1 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 1; 304-306

Our research is focused on sedimentological conditions and postdepositional changes of recent fine grained lake sediments. We used bulk sediment mineralogical composition and grain size distribution as indicators to identify sediment source areas and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93a2fa172f5daaca48ddf73690d343bc
http://journals.ru.lv/index.php/ETR/article/view/4146

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STEAM FOR STEM - INCLUDE 'ART' in STEM (Science, Technology, Engineering and Mathematics)

Autor: Saba Mylvaganam, Jean-Marc Thiriet, Hans-Petter Halvorsen, Josef Timmerberg, Rasma Tretjakova

Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective wor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af63e800d4472cdb7bf7e0150d8f39a6
https://hdl.handle.net/11250/2643647

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IMPACT OF LASER ON MICROORGANISMS IN THE DIGESTATE

Autor: Andris Martinovs, Rasma Tretjakova, Lyubomir Lazov, Samanta Marija Misiņa

Publikováno v: Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference; Vol 1 (2017): Environment. Technology. Resources. Proceedings of the 11th International Scientific and Practical Conference. Volume 1; 290-295

At the biogas plant total of 40 digestate samples have been collected and investigated. The microbiological composition of digestate has been analysed before and after laser processing with wavelength λ 445 nm with power 2 - 4 W. Salmonella spp. has

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28ad4d6b66e56f19a83f3aaa18f12b2f
http://journals.rta.lv/index.php/ETR/article/view/2648

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EFFECT OF HEAT TREATMENT ON ELECTRICAL AND MECHANICAL PROPERTIES OF THE SOLID SAPROPEL

Autor: Sergey Gango, Sergey Trifonov, Paul Beckmann, Andris Martinovs, Helmut Schütte, Nikolai Puchkov, V. G. Solovyev, Alexander Cvetkov, Angelika Borkenstein, Rasma Tretjakova, René Castro, Josef Timmerberg

Publikováno v: Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference; Vol 3 (2017): Environment. Technology. Resources. Proceedings of the 11th International Scientific and Practical Conference. Volume 3; 200-206

In this work changes of electrical and mechanical properties (hardness) of the solid sapropel after its heat treatment were researched. Changes of real and imaginary parts of dielectric permittivity, dielectric losses and specific electrical resistan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d03b376588253aced7aa2e143a36a9a
http://journals.ru.lv/index.php/ETR/article/view/2611

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