Search results for "GC"

showing 10 items of 606 documents

Zvaigžņotā Debess: 2011, Rudens (213)

2011

Contents: “ZVAIGŽŅOTĀ DEBESS” FORTY YEARS AGO: A.Spektors. New Radiotelescopes (abridged) ; N.Cimahoviča. Solar Researchers Gather in Samarkand (abridged) ; DEVELOPMENTS in SCIENCE: M.Krastiņš. Smallest Planet of Solar System: Riddle of Centuries (2nd part) ; NEWS: A.Alksnis. New Look at „Oddball” Star Cluster NGC 6791 ; CONFERENCE “The VIEW from SPACE. FIRST MANNED SPACE FLIGHT – 50”: U.Stirna. Creation of Space Technologies and Materials ; ACADEMIC STAFF of the UNIVERSITY of LATVIA: A.Salītis. Centenary of Latvian Astronomer Professor K.Šteins (1911-1983) ; LATVIAN SCIENTISTS: I.Vilks. Remembering Leonora Roze (1928-2010) ; For SCHOOL YOUTH: A.Bruņeniece, I.Dudareva. Human Adventure in Sp…

Jānim Straubergam – 125Astronomija neprioritārs virziens – LZP vēsturisks lēmumsPaula Stradiņa Medicīnas Vēstures muzejs – kosmonautikaMāris Ābele Kazimirs Lapuška – Valtera Capa balvas laureāti 2011Eiropas Astrofest 2011Pilns Mēness aptumsums 15./16. jūn. 2011.Profesoram Kārlim Šteinam – 100Borisam Rjabovam – 60Marsa vulkāniStarParty Nr. 5 „Zem Gagarina zvaigznes”Zvaigžņu kopa NGC 6791Konkurss „Mums pieder debesis 2011” – intervija ar projekta vadītājuMerkurs – vismazākā Saules sistēmas planētaIndriķim Arturam Brikmanim – 100Latvijas Astronomijas biedrības observatorija – SiguldaAstronomiskās parādības – 2011.gada rudenīKazimiram Lapuškam – 75Koksnes ķīmijas institūts – kosmosa tehnoloģijas materiāliLeonoru Rozi atcerotiesZviedrijas Nacionālais zinātnes un tehnikas muzejs – kosmonautikaKarlam Bruno Dosam – 150Kosmodromi observatorijas – pastmarkas aploksnesKonference «Ar skatu no kosmosa. Pirmā cilvēka lidojumam kosmosā – 50»
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Latvijas Zinātņu akadēmijas, Latvijas Universitātes Astronomijas institūta populārzinātnisks gadalaiku izdevums

2012

Contents: JĀNIS IKAUNIEKS – 100: N.Cimahoviča. Subjacent Was Venture ; I.P. Articles on Jānis Ikaunieks and Articles by Jānis Ikaunieks in Zvaigžņotā debess ; “ZVAIGŽŅOTĀ DEBESS” FORTY YEARS AGO: A.Balklavs. Ball Lightning and Solar Activity (abridged) ; Streamer with the USSR State Emblem on Mars (TASS materials) ; NEWS: I.Eglītis. Asteroid Baldone – Christmas Gift for Latvia ; I.Eglītis. LUAI Astrophysics Observatory Discovers First Trojan Asteroid ; V.Kalniņš. Exceeding Speed of Light in CERN Experiment from the Theory of Relativity Viewpoint ; O.Dumbrājs. Higgs Boson ; NOBEL PRIZE WINNERS: D.Docenko. Nobel Prize in Physics for Discovery of Accelerating Expansion of Universe ; SPACE RESE…

Jānis Ikaunieks - rakstiFrīdriha Candera piemineklis Šampētera ielā 2Ilgmārs Eglītis – ceļš uz astronomijuAstronomiskās parādības – 2012.gada pavasarīSaules pulksteņi arheoloģiskajos kultūrslāņosMārim Ābelem – 75Cilvēka evolūcija un astronomijaJānim Ikauniekam – 100Asteroīds “Baldone”Nobela prēmija fizikā 2011 – telpas paātrinātas izplešanās atklājumsMēness un Saules orbītu slīpumsGaismas ātrums CERN eksperimentāAgrim Jānim Kalnājam – 75Venēras tranzīts 5.jūn.2012.Komponists Ēriks Ešenvalds – astronomiskās tēmasSērskābais MarssIntegrālis Rumānijas skolēniemKārlim Žiglēvicam – 150Zvaigžņu tēma mākslā – dzeja un zīmējumiMedaļa – Saules aptumsums Latvijā 2011.01.04.Space Shuttle programma – noslēgums“Galileo” projekta zīmējumu konkurss – pavadonis LIENELatvijas “trojietis” 2011 QA450Astronomiski notikumi 2011.g. – Saules plankumi pilns Mēness aptumsumsMazā planēta 2010 GC158 = Nr. 284984 – “Ikaunieks”Higsa bozonsRotai Saveļjevai (Gūtmanei) – 90Imantam Platajam – 60Ieguvumi “Zvaigžņotās Debess” bibliotēkā (grāmatas žurnāli)Tumšā matērija – pazemē kosmosāVisuma izplešanās atklāšana – Ž.Lemetrs 1927.gadāLVU astronomijas studenti – 1952.gada diplomandi
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Importance des variations latérales discrètes dans les apports détritiques, observées dans des faciès de rampe sédimentaire riches en matière organiq…

2017

17 pages; International audience; We studied a potential petroleum source rock deposited in a clastic-dominated ramp environment: the Argiles de Châtillon Formation (Kimmeridgian-Tithonian, Boulonnais area, northern France). The formation was deposited along a proximal-distal gradient on this ramp affected by synsedimentary fault movements. A sedimentological, mineralogical and geochemical study was conducted to decipher the distribution patterns of sedimentary parameters along such a depth increase over the ramp. It comes out that smectite distribution unexpectedly mimics the lateral depth evolution despite the good floatability of the mineral. It is also observed that the Argiles de Châti…

Kimméridgien-Tithonien010504 meteorology & atmospheric sciencesSulfideBoulonnaisGeochemistryMineralogy[ SDU.STU.ST ] Sciences of the Universe [physics]/Earth Sciences/Stratigraphy010502 geochemistry & geophysics01 natural sciencesKimmeridgian-TithonianSedimentary depositional environment[SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/GeochemistrygéochimieOrganic matterroches mères d'hydrocarbureComputingMilieux_MISCELLANEOUS0105 earth and related environmental sciencesgeochemistryorganic matterchemistry.chemical_classificationminéraux argileuxlcsh:QE1-996.5Geology15. Life on landSedimentationlcsh:Geologyclay mineralschemistrySource rockClastic rockmatière organique[SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphypetroleum source rocksSedimentary rock[SDU.OTHER]Sciences of the Universe [physics]/OtherClay mineralsGeology
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Kininogen binding protein p33/gC1qR is localized in the vesicular fraction of endothelial cells

1996

AbstractThe endothelial protein p33/gC1qR is thought to mediate the assembly of components of the kinin-forming and complement-activating pathways on the surface of cardiovascular cells. FACS analysis of intact human umbilical vein endothelial cells using specific antibodies to p33 revealed a minor fluorescence on the cell surface whereas permeabilized cells showed a bright fluorescence indicative of an intracellular localization of p33. Immunostaining of fixed cells confirmed the predominant intracellular localization of p33. Fractionation studies demonstrated that the vesicular but not the membrane fraction of EA.hy926 cells is rich in p33. We conclude that externalization of p33 must pre…

Kininogen bindingp33Kininogen binding proteinCellBiophysicsComplementFluorescent Antibody TechniqueBiologyBiochemistryUmbilical veinMitochondrial ProteinsStructural BiologyGeneticsmedicineHumansMolecular BiologyCells CulturedMembrane GlycoproteinsImmune SeraCell BiologyKininFlow CytometryKininFluorescenceReceptors ComplementCell biologyEndothelial stem cellSpecific antibodyHyaluronan Receptorsmedicine.anatomical_structuregC1qREndothelium VascularCarrier ProteinsImmunostainingFEBS Letters
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Zvaigžņotā Debess: 2005, Pavasaris

2005

Contents: A.Balklavs, N.Cimahoviča, J.Ikaunieks. Radio Astronomy in the Baltic Republics ; L.Maistrovs. Keeping Watch on Precision ; A.Balklavs. The Anthropic Principle ; Z.Alksne, A.Alksnis. Has Exoplanet Been Spotted at Last? ; J.Freimanis. The Distance to Pleiades and Problems with Hipparcos ; A.Balklavs. Does the Chandra See Black Holes in Distant Galaxy? ; A.Balklavs. Massive Black Holes – Remnants of the First Stars’ Evolution ; A.Balklavs. Cosmic Objects in Captivating Photos – 4 ; M.Gills. A Collision or a Unique Event? ; J.Jaunbergs. Volcanological Safari of Io ; D.Krieviņš. Space Launchers of Early XXI Century. Europe, Japan, China and other States ; M.Sudārs. Huygens Landing on t…

Kosmiskie transportlīdzekļi – Eiropa Japāna Ķīna IndijaHuygens uz TitānaKrustvārdu mīklaRadioastronomija - BaltijaLeonids RozeMačholca komētaAntropais princips – triviālais vājais stingraisKuipera joslas objekti Sedna 2002 LM60 un 2004 DWĶīniešu otrais kosmiskais lidojumsRentgenstaru observatorija Čandra – Riteņa galaktikaRisina lasītājsSmart 1Fricis BlumbahsLU profesors Rūsiņš-Mārtiņš FreivaldsCitplanēta pie brūnā pundura 2M 1207Melnie caurumiNākotnes gigantiskie optiskie teleskopi“Velna laivas”Planetārie miglāji NGC 7027 CRL 2688 NGC 6543 M 57Urāna vētrasAsteroīds 2004 MN4Latvijas atklātā matemātikas olimpiāde – uzdevumiMarsa meteorītsUz Zemes novietotie teleskopiAstronomiskās parādības - 2005Informācijas veidošanās – mākslīgais intelektsJāzeps Eiduss „Pagājība”Attālums līdz PlejādēmLasītāja vēstuleRīgas atklātā astronomijas olimpiādeJupitera pavadonis JoMarsa ledus mākoņiAstronomijas nometne “Ērgļa ksī”LU matemātikas goda doktors Eižens LeimanisCunami no kosmosa
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Zvaigžņotā Debess: 2000, Pavasaris (167)

2000

Contents: P.Müürsepp. B.Schmidt, Prominent Optician of 20th Century ; J.Miezis. Buildings on the Moon ; Z.Alksne, A.Alksnis. Stars Enshrouded in Envelopes ; A.Alksnis. Goals and Progress of the DENIS Program ; Z.Alksne. Shapley Supercluster – Playground of Clusters of Galaxies ; A.Alksnis. Wide Field Imager Discovers Distant Galaxies ; J.Jaunbergs. Roton SSTO: First Flight Tests ; M.Gills. Space Research 40 Years Ago – Chronicle ; I.Vilks. The Secret of Low-Probability Complexity in the Universe ; K.Bērziņš. On Friendly Terms with Cosmology: Development of Cosmological Views (concluded) ; A.Balklavs. Astronomy in the Internet (WWW) ; V.Flerov, A.Cēbers. Latvia 23rd Open Olympiad of Physics:…

Kosmoloģijas rašanās„Sirds” uz MarsaKants un debesu teorijaKonkursa „Lasa un vērtē” balvaKrustvārdu mīklaParanalas observatorijas teleskopi ANTU KUEYEN MELIPAL YEPUNKalendārs un LieldienasOptiķis Bernhards ŠmidtsDENIS programmaE.-I. Siliņa grāmata „Lielo patiesību meklējumi”„Domu riekstu” atbildesLiela lauka attēlotājs WFI – galaktiku kopa ACO3627Cilvēka esības jēgaAstronomijas skolotāju asociācijaLodveida kopas pundurgalaktikās NGC 5253 un Henize 2-10Šķietamās izmaiņas uz MēnessRaķete Rotary RocketSaules tēmas pētījumi LatvijāMinikomētas – hipotēzeDievs kristietībā un latvju daināsLatvijas atklātā fizikas olimpiādeBaldones meteorītsLielas bāzes interferometrijas VLBI novērojumi LatvijāCilvēka augums Saules ritmāKosmosa izpēte - pirms 40 gadiem“Aldaris” – “Zvaigžņotās Debess” sponsorsBolīds IrbenēŠeplija superkopaMarsa konkurss lasītājiemMarsa senie okeāniAstronomija - tīmeklīAstronomiskās parādības - 2000Zvaigžņu apvalkiLatvijas informātikas olimpiādeStarptautiskās ķīmijas olimpiādes laureāts Linards Kalvāns – intervijaMeteors virs Kanādas
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Zvaigžņotā Debess: 2005, Vasara

2005

Contents: In memoriam Arturs Balklavs-Grīnhofs ; Parting Words to Arturs Balklavs ; List of Publications by Prof. Dr.phys. Arturs Balklavs-Grīnhofs ; Astronomy in 25 Years of Soviet Latvia ; Man in Space: Based on newspaper “Pravda” materials ; U.Dzērvītis. Centenary of the Theory of Relativity ; A.Balklavs. Gamma Emission from the Galactic Centre ; A.Alksnis, Z.Alksne. Fewer Brown Dwarfs, More Red Ones ; A.Alksnis. New Observations of the Eruptive Variable Star V838 Mon ; A.Balklavs. Cosmic Objects in Captivating Photos – 5 ; J. Freimanis. On Polarization of Continuous Solar Spectrum ; J.Jaunbergs. The Very First Contact with Titan ; A.Millers. Biological Effects of Cosmic Rays ; J.Jansons…

Krustvārdu mīklaPunduri – brūnie sarkaniePHARE projekts “Galileo – zvaigznāja bākugunis Baltijā”Saturna pavadonis TitānsSudrabainie mākoņiUldis DzērvītisZvaigžņotā debess 2005. gada vasarāSaules spektra polarizācija“New Horizons”Citplanēta pie brūnā pundura 2M 1207Galaktikas centrs – gamma starojumsAstronomijas vēstureŪdens uz MēnessPirmais eksoplanētas attēlsPilns MēnessKosmiskais starojums – bioloģiskā iedarbībaKāli meteorīta krāteris – āderu tīklsJānis Imants StraumeArturs Balklavs-Grīnhofs - in memoriamMarsiešu energoresursi“Envisat” Zemes karteFr.Candera memoriālais muzejsMarsa sniegacepureMaiņzvaigzne V838 MonAstronomijas nometne "Ērgļa Omikrons"Arturs Balklavs-Grīnhofs - bibliogrāfijaPlanetārie miglāji – M 2-9 Menzel 3 (Mz 3) MyCn 18 NGC 2346NASA kosmiskais aparāts „Deep Impact”LU fiziķis Pēteris AuziņšRelativitātes teorijaIra RungaineVitimskas bolīdsEiropas Astronomijas izglītības asociācijas EAAE skolotāju konferenceSibīrijas ziemeļtautu folkloraSaturna pavadonis EnceladsLU fiziķis Fricis Dravnieks
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Some extensions in space-time LGCP: application to earthquake data

2017

In this paper we aim at studying some extensions of complex space-time models, useful for the description of earthquake data. In particular we want to focus on the Log-Gaussian Cox Process (LGCP, [1]) model estimation approach, with some results on global informal diagnostics. Indeed, in our opinion the use of Cox processes that are natural models for point process phenomena that are environmentally driven could be a new approach for the description of seismic events. These models can be useful in estimating the intensity surface of a spatio-temporal point process, in constructing spatially continuous maps of earthquake risk from spatially discrete data, and in real-time seismic activity su…

LGCP Space-time Point Processes second-order functions diagnosticsSettore SECS-S/01 - Statistica
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Spatio-temporal log-Gaussian Cox processes on eartquake events

2017

In this paper we aim at studying some extensions of complex space-time models, useful for the description of earthquake data. In particular we want to focus on the Log-Gaussian Cox Process (LGCP) model estimation approach, with some results on global informal diagnostics. Indeed, in our opinion the use of Cox processes that are natural models for point process phenomena that are environmentally driven could be a new approach for the description of seismic events. These models can be useful in estimating the intensity surface of a spatio-temporal point process, in constructing spatially continuous maps of earthquake risk from spatially discrete data, and in real-time seismic activity surveil…

LGCP earthquake events second orderSettore SECS-S/01 - Statistica
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A genetic link between synsedimentary tectonics-expelled fluids, microbial sulfate reduction and cone-in-cone structures

2018

14 pages; International audience; The late Jurassic (Tithonian) marlstones of the Boulonnais area (English Channel, France) contains diagenetic carbonate beds and nodules. Some nodules exhibit cone-in-cone structures on their lower face. We studied such nodules using various techniques of imaging and chemical (major and trace-elements) and isotopic analyses (Ccarb, Corg, O and S stable isotopes). We interpret the cone-in-cone to be the end product of carbonate-nodule formation during early diagenesis. The diagenetic carbonate precipitation was induced by microbial activity (bacteria and(?) archeae) fueled by upward-migrating fluids. Fluid expulsion was itself triggered by synsedimentary fau…

Late jurassicgenetic structures010504 meteorology & atmospheric sciencesStratigraphyCone-in-cone structuresGeochemistryBoulonnais areaFault (geology)010502 geochemistry & geophysicsOceanography01 natural scienceschemistry.chemical_compound[SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/GeochemistryHydrocarbon source-rocksSulfateEarly diagenesis0105 earth and related environmental sciencesgeographygeography.geographical_feature_categoryStable isotope ratioGeologyCarbonate nodulesDiagenesisTectonicsGeophysicschemistry[SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/StratigraphyAnaerobic oxidation of methaneCarbonateEconomic Geologysense organsAnaerobic oxidation of methaneGeologyMarine and Petroleum Geology
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