Information about Author
Name, Surname:

Jānis Grabis

Scientific Degree:

Habilitētais doktors

E-mail:

Janis.Grabis_3(at)rtu.lv

ORCID: orcid-logo 0000-0003-4380-1660
Publications
112 items found, displaying 1 to 10.
Synthesis and Spark Plasma Sintering of Nanosized Refractory Carbide / Nitride Powders
(2020)
Ilmārs Zālīte, Anita Letlena, Ints Šteins, Aija Krūmiņa, Māra Lubāne, Jānis Grabis
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Effect of Zinc-Containing Nanopowders on the Catalytic Intermediate Pyrolysis of Buckwheat Straw by using TGA-FTIR Method
(2020)
Kristīne Lazdoviča, Valdis Kampars, Jānis Grabis
Scientific article indexed in SCOPUS or WOS database
Photocatalytic Activity of EU2O3/ZnO and Sm2O3/ZnO Prepared by Microwave-assisted Hydrothermal Method
(2020)
Jānis Grabis, Pāvels Rodionovs
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
ZnO Photocatalysts Modified with Eu2O3 and Sm2O3
(2020)
Jānis Grabis, Pāvels Rodionovs
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Preparation of ZnO Modified TiO2 Nanoporous Coatings and Their Photocatalytic Properties
(2019)
Reinis Drunka, Jānis Grabis, Anita Letlena, Dzidra Jankoviča, Aija Krūmiņa, Ints Šteins
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Influence of Pressure to Morphology of TiO2 Nanofibers Prepared by Microwave-Assisted Synthesis Method
(2019)
Reinis Drunka, Jānis Grabis, Aija Krūmiņa
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Photocatalytic Properties of TiO2 Nanostructures of Different Morphology Modified with Various Modifiers
(2019)
Reinis Drunka, Jānis Grabis, Dzidra Jankoviča, Dzintra Ārija Rašmane, Aija Krūmiņa
Scientific article indexed in SCOPUS or WOS database
Photocatalytic Properties of Different Morphology TiO2 Nanostructures Modified with Various Modificators
(2019)
Reinis Drunka, Jānis Grabis, Dzidra Jankoviča, Aija Krūmiņa, Dzintra Ārija Rašmane, Ints Šteins
Conference paper
Magnon and Phonon Excitations in Nanosized NiO
(2019)
Jānis Grabis, Ņina Mironova-Ulmane, A Kuzmin, I Sildos, Laurits Puust
Scientific article indexed in SCOPUS or WOS database
Characteristics and Photocatalytic Activity of Sm Doped ZnO Nanoparticles
(2019)
Pāvels Rodionovs, Dzidra Jankoviča, Jānis Grabis
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database

Patents
5 items found, displaying 1 to 5.
Oxygen gas sensor
EP3121589B1 (07.03.2018.)
Baiba Bērziņa, Laima Trinkler, Valdis Korsaks, Jānis Grabis
A method for producing ferrite nanoparticles for polymeric nano-composites
LV14624B (20.03.2013.)
Ilmārs Zālīte, Jānis Grabis, Ēriks Palčevskis, Māris Kodols, Jānis Zicāns, Remo Merijs-Meri, Juris Bitenieks, Ivans Bočkovs
Oxide ceramics characterized by elevated strength
LV14556B (20.12.2012.)
Gaida Maruta Sedmale, Ingunda Šperberga, Ints Šteins, Jānis Grabis
The method of glyceric acid preparation and catalyst for its realization
LV13956B (20.11.2009.)
Valdis Kampars, Svetlana Čornaja, Jānis Grabis, Dzidra Jankoviča, olga Muravjova, Svetlana Žižkuna, Rūta Kampare, Konstantīns Dubencovs
Method of sunlight active zinc oxide-titanium oxide thin film preparation
LV15497B (20.06.2021.)
Jānis Grabis, Anita Letlena, Dzidra Jankoviča, Ilmārs Zālīte, Reinis Drunka, Pāvels Rodionovs

Technology Offers
1 items found, displaying 1 to 1.
Active under the sunlight nanostructured TiO2-ZnO photocatalysts for environmental problem solving
2019
Jānis Grabis, Reinis Drunka, Dzidra Jankoviča, Anita Letlena, Ints Šteins, Gundega Heidemane, Pāvels Rodionovs

Supervised Dissertations
3 items found, displaying 1 to 3.
The Development of the Synthesis Technology of Active Tungstate Photocatalysts
(2015)
Māris Kodols
Doctoral Thesis
Elaboration of Sintering Technology of Silicon Nitride Based Nanocomposites
(2011)
Nataļja Žilinska
Doctoral Thesis
Synthesis of Ceramic Powders in the Al2O3 - SiO2 - ZrO2(Y2O3) System and Production of Materials
(2011)
Aleksejs Hmeļovs
Doctoral Thesis

Projects
18 items found, displaying 1 to 18.
Atbalsts RTU doktora studiju īstenošanai
Citi
Lauris Bisenieks
Augsttemperatūras sintēzes laboratorija (34-14N02-N8197)
Valdis Kokars
Augsttemperatūras sintēzes laboratorija (34-14N02-Z7010.14N02)
Citi
Jānis Grabis
Biomateriālu zinātniskās pētniecības laboratorija (34-14010-N7049.10)
Kārlis-Agris Gross
Biomateriālu zinātniskās pētniecības laboratorija (34-14N04- DOK.BZPL/20)
Citi
Jānis Grabis
Biomateriālu zinātniskās pētniecības laboratorija (34-14N04-LV8857)
Citi
Jānis Grabis
Biomateriālu zinātniskās pētniecības laboratorija (34-14N04-Z18/1-0432)
Kārlis-Agris Gross
Cēsu filiāle (34-02800-Y8082.1.1)
Alvis Sokolovs
Elektroķīmijas laboratorija (34-14N03-N8198)
Valdis Kokars
Neorganiskās ķīmijas institūts (34-14N00-L8691)
Citi
Jānis Grabis
Neorganiskās ķīmijas institūts (34-14N00-L8800)
Citi
Jānis Grabis
Neorganiskās ķīmijas institūts (34-14N00-L8900.1)
Citi
Jānis Grabis
Neorganiskās ķīmijas institūts (34-14N00-N8180)
Tālis Juhna
Plazmas procesu laboratorija (34-14N01-N8196)
Valdis Kokars
Saules gaismā aktīvu fiksētu TiO2-ZnO sistēmas fotokatalizatoru izstrāde
Citi
Jānis Grabis
Smago metālu jonu izdalīšana no notekūdeņiem un to dūņām izmantojot elektrodialīzi caur šķidrām membrānām
Citi
Tatiana Sadyrbaeva
Uz stimuliem reaģējoša transdermāla zāļu piegādes sistēma
Citi
Jānis Grabis
Zinātņu prorektora dienests (34-04000-04000.N)
Tālis Juhna
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