Effects of spin-orbit coupling on laser cooling of BeI and MgI

Energy Technology Data Exchange (ETDEWEB)

Wan, Mingjie, E-mail: wanmingjie1983@sina.com; Huang, Duohui; Shao, Juxiang; Li, Yuanyuan [Computational Physics Key Laboratory of Sichuan Province, Yibin University, Yibin 644007 (China); Yu, You [College of Optoelectronic Technology, Chengdu University of Information Technology, Chengdu 610225 (China); Li, Song [College of Physical Science and Technology, Yangtze University, Jingzhou 434023 (China)

2015-10-28

We present the ab initio study of spin-orbit coupling effects on laser cooling of BeI and MgI molecules. Potential energy curves for the X{sup 2}Σ{sup +}{sub 1/2}, A{sup 2}Π{sub 1/2,3/2}, and 2{sup 2}Π{sub 3/2,1/2} states are calculated using multi-reference configuration interaction method plus Davidson corrections. Spectroscopic parameters of BeI and MgI are in excellent agreement with available experimental and theoretical values. The A{sup 2}Π{sub 3/2} state of MgI is a repulsive state. It is an unsuitable scheme for the A{sup 2}Π{sub 3/2}(υ′)← X{sup 2}Σ{sup +}{sub 1/2} (υ″) transition for laser cooling of MgI. Highly diagonally distributed Franck-Condon factors f{sub 00} for the A{sup 2}Π{sub 1/2,3/2} (υ′ = 0) ← X{sup 2}Σ{sup +}{sub 1/2} (υ″ = 0) transitions and suitable radiative lifetimes τ for the A{sup 2}Π{sub 1/2,3/2} (υ′ = 0) of BeI and MgI are obtained. Three laser wavelength drives are required for the A{sup 2}Π{sub 1/2,3/2}(υ′)←X{sup 2}Σ{sup +}{sub 1/2} (υ″) transitions of BeI and MgI. The proposed cooling wavelengths of BeI and MgI are both in the violet region. The results imply the feasibility of laser cooling of BeI and MgI, and that laser cooling of BeI is more possible.

Lines of MgI Detected in Solar Prominences

Czech Academy of Sciences Publication Activity Database

Heinzel, Petr; Kupryakov, Yu. A.; Schwartz, P.

2016-01-01

Roč. 40, č. 1 (2016), s. 87-91 ISSN 1845-8319. [Hvar Astrophysical Colloquium /14./. Hvar, 26.09.2016-30.09.2016] Institutional support: RVO:67985815 Keywords : prominences * limb-flare * MgI emession Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics

Madalam veohind jääb Eestis veel unistuseks / Kadri Paas

Index Scriptorium Estoniae

Paas, Kadri, 1982-

2008-01-01

Ilmunud ka: Delovõje Vedomosti 1. okt. lk. 22. Vedajad sõltuvad Eesti kütusemüüjate diktaadist, mistõttu kütusehinnad ei ole siin samas tempos vähenenud. Vt. samas: Nafta nõudlus kuivab kokku; Kadrin Kärner, Kadri Paas. Jaan Lepp: kütusehindade tõus on firmadele jätnud kustumatu jälje; Diagramm: Nafta ja bensiini hind jätkuvas languses. Küsimusele vastab Ilo Rannu

Mouse Genome Informatics (MGI) Is the International Resource for Information on the Laboratory Mouse.

Science.gov (United States)

Law, MeiYee; Shaw, David R

2018-01-01

Mouse Genome Informatics (MGI, http://www.informatics.jax.org/ ) web resources provide free access to meticulously curated information about the laboratory mouse. MGI's primary goal is to help researchers investigate the genetic foundations of human diseases by translating information from mouse phenotypes and disease models studies to human systems. MGI provides comprehensive phenotypes for over 50,000 mutant alleles in mice and provides experimental model descriptions for over 1500 human diseases. Curated data from scientific publications are integrated with those from high-throughput phenotyping and gene expression centers. Data are standardized using defined, hierarchical vocabularies such as the Mammalian Phenotype (MP) Ontology, Mouse Developmental Anatomy and the Gene Ontologies (GO). This chapter introduces you to Gene and Allele Detail pages and provides step-by-step instructions for simple searches and those that take advantage of the breadth of MGI data integration.

Multi-MGy Radiation Hardened Camera for Nuclear Facilities

International Nuclear Information System (INIS)

Girard, Sylvain; Boukenter, Aziz; Ouerdane, Youcef; Goiffon, Vincent; Corbiere, Franck; Rolando, Sebastien; Molina, Romain; Estribeau, Magali; Avon, Barbara; Magnan, Pierre; Paillet, Philippe; Duhamel, Olivier; Gaillardin, Marc; Raine, Melanie

2015-01-01

There is an increasing interest in developing cameras for surveillance systems to monitor nuclear facilities or nuclear waste storages. Particularly, for today's and the next generation of nuclear facilities increasing safety requirements consecutive to Fukushima Daiichi's disaster have to be considered. For some applications, radiation tolerance needs to overcome doses in the MGy(SiO 2 ) range whereas the most tolerant commercial or prototypes products based on solid state image sensors withstand doses up to few kGy. The objective of this work is to present the radiation hardening strategy developed by our research groups to enhance the tolerance to ionizing radiations of the various subparts of these imaging systems by working simultaneously at the component and system design levels. Developing radiation-hardened camera implies to combine several radiation-hardening strategies. In our case, we decided not to use the simplest one, the shielding approach. This approach is efficient but limits the camera miniaturization and is not compatible with its future integration in remote-handling or robotic systems. Then, the hardening-by-component strategy appears mandatory to avoid the failure of one of the camera subparts at doses lower than the MGy. Concerning the image sensor itself, the used technology is a CMOS Image Sensor (CIS) designed by ISAE team with custom pixel designs used to mitigate the total ionizing dose (TID) effects that occur well below the MGy range in classical image sensors (e.g. Charge Coupled Devices (CCD), Charge Injection Devices (CID) and classical Active Pixel Sensors (APS)), such as the complete loss of functionality, the dark current increase and the gain drop. We'll present at the conference a comparative study between these radiation-hardened pixel radiation responses with respect to conventional ones, demonstrating the efficiency of the choices made. The targeted strategy to develop the complete radiation hard camera

Multi-MGy Radiation Hardened Camera for Nuclear Facilities

Energy Technology Data Exchange (ETDEWEB)

Girard, Sylvain; Boukenter, Aziz; Ouerdane, Youcef [Universite de Saint-Etienne, Lab. Hubert Curien, UMR-CNRS 5516, F-42000 Saint-Etienne (France); Goiffon, Vincent; Corbiere, Franck; Rolando, Sebastien; Molina, Romain; Estribeau, Magali; Avon, Barbara; Magnan, Pierre [ISAE, Universite de Toulouse, F-31055 Toulouse (France); Paillet, Philippe; Duhamel, Olivier; Gaillardin, Marc; Raine, Melanie [CEA, DAM, DIF, F-91297 Arpajon (France)

2015-07-01

There is an increasing interest in developing cameras for surveillance systems to monitor nuclear facilities or nuclear waste storages. Particularly, for today's and the next generation of nuclear facilities increasing safety requirements consecutive to Fukushima Daiichi's disaster have to be considered. For some applications, radiation tolerance needs to overcome doses in the MGy(SiO{sub 2}) range whereas the most tolerant commercial or prototypes products based on solid state image sensors withstand doses up to few kGy. The objective of this work is to present the radiation hardening strategy developed by our research groups to enhance the tolerance to ionizing radiations of the various subparts of these imaging systems by working simultaneously at the component and system design levels. Developing radiation-hardened camera implies to combine several radiation-hardening strategies. In our case, we decided not to use the simplest one, the shielding approach. This approach is efficient but limits the camera miniaturization and is not compatible with its future integration in remote-handling or robotic systems. Then, the hardening-by-component strategy appears mandatory to avoid the failure of one of the camera subparts at doses lower than the MGy. Concerning the image sensor itself, the used technology is a CMOS Image Sensor (CIS) designed by ISAE team with custom pixel designs used to mitigate the total ionizing dose (TID) effects that occur well below the MGy range in classical image sensors (e.g. Charge Coupled Devices (CCD), Charge Injection Devices (CID) and classical Active Pixel Sensors (APS)), such as the complete loss of functionality, the dark current increase and the gain drop. We'll present at the conference a comparative study between these radiation-hardened pixel radiation responses with respect to conventional ones, demonstrating the efficiency of the choices made. The targeted strategy to develop the complete radiation hard camera

Microstructural evolution during dry wear test in magnesium and Mg-Y alloy

Energy Technology Data Exchange (ETDEWEB)

Somekawa, Hidetoshi, E-mail: SOMEKAWA.Hidetoshi@nims.go.jp [Research Center for Strategic Materials, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba 305-0047 (Japan); Maeda, Shunsuke; Hirayama, Tomoko; Matsuoka, Takashi [Department of Mechanical Engineering, Doshisha University, 1-3 Miyakodani, Tatara, Kyotanabe 610-0321 (Japan); Inoue, Tadanobu [Research Center for Strategic Materials, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba 305-0047 (Japan); Mukai, Toshiji [Department of Mechanical Engineering, Kobe University, 1-1 Rokkodai, Kobe, 657-8501 (Japan)

2013-01-20

The friction and wear properties of pure magnesium and the Mg-Y alloy were investigated using the pin-on-disk configuration. The friction and wear resistance of the Mg-Y alloy was superior to those of pure magnesium. The wear mechanism was abrasion under all the conditions. The deformed microstructural evolutions near the surface region were observed by transmission electron microscopy and electron backscatter diffraction. The stress and strain states were also evaluated by finite element analysis (FEA). The deformed microstructures of both alloys consisted of the {l_brace}10-12{r_brace} twinning formation and the FEA results showed the occurrence of plastic deformation even at the beginning of the test. The formation of low angle grain boundaries was also confirmed with an increase in the applied load in the Mg-Y alloy. On the other hand, grain refinement due to dynamic recrystallization was observed in pure magnesium as the wear test progressed. The different microstructures resulted from difference in the surface temperature during the wear test, which was estimated to be around 393 K and 363 K for pure magnesium and the Mg-Y alloy, respectively. The high increment temperature in the fine-grained alloys brought about the occurrence of grain boundary sliding, i.e., material softening, which led to a decrease in the friction and wear properties. The present results indicated that one of the methods for enhancing the friction and wear properties is to increase the dynamic recrystallization temperature.

TÜ Loodusmuuseum = University of Tartu Natural History Museum / Raili Paling, Liis Lindvere, Kadri Kaldam ; kommenteerinud Jana Lass

Index Scriptorium Estoniae

Paling, Raili

2016-01-01

Tartu Ülikooli Loodusmuuseumi (Tartu, Vanemuise tn. 46) interjöör ja ekspositsioon. Autorid Jelena Altmäe, Kadri Kaldam, Raivo Kotov, Andrus Kõresaar, Lea Laidra, Liis Lindvere, Indrek Mikk, Jaanus Männik, Raili Paling; projektijuht Reet Mägi; kuraatorid Kaie Kotov, Riste Keskpaik

Ehtekunsti kõrgmäestik Münchenis / Kadri Mälk, Piret Hirv, Tanel Veenre

Index Scriptorium Estoniae

Mälk, Kadri, 1958-

2009-01-01

Ehtekunsti suurüritusest "Schmuckszene" ("Ehtepaik"). Arnoldsche Art Publishers esitles viit aasta paremaks ehtekunstiraamatuks tituleeritut, nende seas Eestis trükikojas Pakett trükitud raamatut "Just must" (kujundaja Aadam Kaarma, fotod: Tanel Veenre). Darling Publications'i poolt esitletud raamatust "The Compendium Finale of Contemporary Jewellery Makes", kus tutvustatakse kümmet eesti ehtekunstnikku, tekstide autorid on Kadri Mälk, Harry Liivrand ja Tamara Luuk

Raskustes ASil on OÜst vähem jaksu ellu jääda / Kadri Bank

Index Scriptorium Estoniae

Bank, Kadri

2008-01-01

Kadri Männasoo doktoritööst selgub, et kuigi aktsiaseltsidel tuleb täita suuremat omakapitalinõuet, on need osaühingutest väiksema jätkusuutlikkusega. Seaduspära kehtib, kui võrrelda varade mahult sama suuri ettevõtteid. Diagramm: AS-ide OÜ-ks ümberkujundamiste arv. Kommenteerib Meelis Mullaste

Uuendusi vangistusest tingimisi ennetähtaegsel vabastamisel / Anne Rannaveski-Poola, Anne Kruusement ; kommenteerinud Kadri Kelder, ... [jt.

Index Scriptorium Estoniae

Rannaveski-Poola, Anne

2007-01-01

Alates 1. jaan. 2007 hakatakse ennetähtaegselt vanglast vabastamisel kasutama elektroonilist valvet. Lisatud: mida toovad muudatused kinnipeetavate ennetähtaegsel vabastamisel kaasa kriminaalhooldajale? Küsimusele vastavad Tartu Maakohtu kriminaalhooldusosakonna juhataja Kadri Kelder, Harju Maakohtu kriminaalhooldusosakonna juhataja Kersti Kask, käitumiskontrolli II talituse juhataja Livia Silvet ja Viru Maakohtu kriminaalhooldusosakonna kriminaahooldusametnikud Gaidi Kasu ja Anton Gontsharov

The influence of yttrium (Y) on the corrosion of Mg-Y binary alloys

International Nuclear Information System (INIS)

Liu Ming; Schmutz, Patrik; Uggowitzer, Peter J.; Song Guangling; Atrens, Andrej

2010-01-01

Research highlights: → The Y-intermetallic can accelerate corrosion and Y can increase the protectiveness of the surface layer. → In 0.1 M NaCl, the corrosion rate of Mg-Y alloys increased with increasing Y due to the Y intermetallic. → In 0.1 M NaCl, there was filiform corrosion. → In 0.1 M Na 2 SO 4 , the corrosion rate of Mg-Y alloys decreased with increasing Y in the range 3-7%Y. → Hydrogen evolution was observed from particular parts of the alloy surface. - Abstract: Corrosion of Mg-Y alloys was studied using electrochemical evaluations, immersion tests and direct observations. There were two important effects. In 0.1 M NaCl, the corrosion rate increased with increasing Y content due to increasing amounts of the Y-containing intermetallic. In 0.1 M Na 2 SO 4 , the corrosion rate decreased with increasing Y content above 3%, attributed to a more protective surface film, despite the intermetallic. The corrosion rate evaluated by electrochemical impedance spectroscopy was somewhat smaller than that evaluated from H evolution as expected from the Mg corrosion mechanism. A mechanism is proposed for filiform corrosion. Direct in situ corrosion observations revealed that a predominant feature was hydrogen evolution from particular parts of the alloy surface.

Katkenud õpingute teise kõrgkooli "kolimine" nõuab visadust / Agne Narusk, Ene Küüner, Heli Mattisen, Kadri Osula

Index Scriptorium Estoniae

Narusk, Agne

2007-01-01

Pooleli jäänud ülikooliõpingute lõpetamisest. Varasemate õpingute ja töökogemuse arvestamise tingimusi õpingute jätkamisel selgitavad Tartu Ülikooli avatud ülikooli tasemeõppe koordinaator Ene Küüner, Tallinna Ülikooli akadeemiline prorektor Heli Mattisen ja Estonian Business Schoolì õppeosakonna juhataja Kadri Osula

A MGy radiation-hardened sensor instrumentation link for nuclear reactor monitoring and remote handling

Energy Technology Data Exchange (ETDEWEB)

Verbeeck, Jens; Cao, Ying [KU Leuven - KUL, Div. LRD-MAGyICS, Kasteelpark Arenberg 10, 3001 Heverlee (Belgium); Van Uffelen, Marco; Mont Casellas, Laura; Damiani, Carlo; Morales, Emilio Ruiz; Santana, Roberto Ranz [Fusion for Energy - F4E, c/Josep,n deg. 2, Torres Diagonal Litoral, Ed. B3, 08019 Barcelona (Spain); Meek, Richard; Haist, Bernhard [Oxford Technologies Ltd. OTL, 7 Nuffield Way, Abingdon OX14 1RL (United Kingdom); De Cock, Wouter; Vermeeren, Ludo [SCK-CEN, Boeretang 200, 2400 Mol (Belgium); Steyaert, Michiel [KU Leuven, ESAT-MICAS, KasteelparkArenberg 10, 3001 Heverlee (Belgium); Leroux, Paul [KU Leuven, ESAT-MICAS, KasteelparkArenberg 10, 3001 Heverlee (Belgium)

2015-07-01

Decommissioning, dismantling and remote handling applications in nuclear facilities all require robotic solutions that are able to survive in radiation environments. Recently raised safety, radiation hardness and cost efficiency demands from both the nuclear regulatory and the society impose severe challenges in traditional methods. For example, in case of the dismantling of the Fukushima sites, solutions that survive accumulated doses higher than 1 MGy are mandatory. To allow remote operation of these tools in nuclear environments, electronics were used to be shielded with several centimeters of lead or even completely banned in these solutions. However, shielding electronics always leads to bulky and heavy solutions, which reduces the flexibility of robotic tools. It also requires longer repair time and produces extra waste further in a dismantling or decommissioning cycle. In addition, often in current reactor designs, due to size restrictions and the need to inspect very tight areas there are limitations to the use of shielding. A MGy radiation-hardened sensor instrumentation link developed by MAGyICS provides a solution to build a flexible, easy removable and small I and C module with MGy radiation tolerance without any shielding. Hereby it removes all these pains to implement electronics in robotic tools. The demonstrated solution in this poster is developed for ITER Remote Handling equipments operating in high radiation environments (>1 MGy) in and around the Tokamak. In order to obtain adequately accurate instrumentation and control information, as well as to ease the umbilical management, there is a need of front-end electronics that will have to be located close to those actuators and sensors on the remote handling tool. In particular, for diverter remote handling, it is estimated that these components will face gamma radiation up to 300 Gy/h (in-vessel) and a total dose of 1 MGy. The radiation-hardened sensor instrumentation link presented here, consists

Noor, ambitsioonikas, haritud... ning pokaaliga pildid Facebookis?! : töö otsimisel muutub Facebook üha tähtsamaks. Mõned nipid noorele tööotsijale / Kadri Eisenschmidt

Index Scriptorium Estoniae

Eisenschmidt, Kadri

2013-01-01

Tallinna Ülikooli sotsioloogia eriala lõpetanud Kadri Eisenschmidti artikkel annab ülevaate tema bakalaureusetööst, mille eesmärk oli selgitada, kas ja kuidas mõjutavad sotsiaalvõrgustikud noorte võimalusi töökoha leidmisel

Miks? Ehk jätkuks sellele, millest tol õhtul rääkisime = Why? Or to continue from where we left off the other night / Kadri Klementi

Index Scriptorium Estoniae

Klementi, Kadri

2011-01-01

Külalistoimetaja Kadri Klementi Eesti arhitektuuri ajakirja "Maja" 2011. aasta kolmandast numbrist "Maja taga", mille teemaks on asjad arhitektuuri ümber. Number on pühendatud Linnalabori viiendale sünnipäevale. Graafiline disain: Kaarel Nõmmik, Indrek Sirkel

Investigations on MGy ionizing dose effects in thin oxides of micro-electronic devices

Energy Technology Data Exchange (ETDEWEB)

Gaillardin, M.; Paillet, P.; Raine, M.; Martinez, M.; Marcandella, C.; Duhamel, O.; Richard, N.; Leray, J.L. [CEA, DAM, DIF, F-91297 Arpajon (France); Goiffon, V.; Corbiere, F.; Rolando, S.; Molina, R.; Magnan, P. [ISAE, Universite de Toulouse, 10 avenue Edouard Belin, BP 54032, 31055 Toulouse Cedex 4 (France); Girard, S.; Ouerdane, Y.; Boukenter, A. [Universite de Saint-Etienne, Laboratoire H. Curien, UMR-5516, 42000, Saint-Etienne (France)

2015-07-01

Total ionizing dose (TID) effects have been studied for a long time in micro-electronic components designed to operate in natural and artificial environments. In most cases, TID induces both charge trapping in the bulk of irradiated oxides and the buildup of interface traps located at semiconductor/dielectric interfaces. Such effects result from basic mechanisms driven by both the shape of the electric field which stands into the oxide and by fabrication process parameters inducing pre-existing traps in the oxide's bulk. From the pioneering studies based on 'thick' oxide technologies to the most recent ones dedicated to innovative technologies, most studies concluded that the impact of total ionizing dose effects reduces with the oxide thinning. This is specifically the case for the gate-oxide of Metal-Oxide-Semiconductor Field Effect Transistors (MOSFET) for which it is generally considered that TID is not a major issue anymore at kGy dose ranges. TID effects are now mainly due to charge trapping in the field oxides such as Shallow Trench Isolation. This creates either parasitic conduction paths or Radiation-Induced Narrow Channel Effects (RINCE). Static current-voltage (I-V) electrical characteristics are then modified through a significant increase of the off-current of NMOS transistors or by shifting the whole I-V curves (of both NMOS and PMOS transistors). Based on these assumptions, no significant shift of I-V curves should be observed in modern bulk CMOS technologies. However, such phenomenon may not be directly extrapolated to higher TID ranges, typically of several MGy for which only few data are available in the literature. This paper presents evidences of large threshold voltage shifts measured at MGy dose levels despite the fact that transistors are designed in a submicron bulk technology which features a 7-nm thin gate-oxide on GO2 transistors dedicated to mixed analog/digital integrated circuits. Such electrical shifts are encountered

Investigations on MGy ionizing dose effects in thin oxides of micro-electronic devices

International Nuclear Information System (INIS)

Gaillardin, M.; Paillet, P.; Raine, M.; Martinez, M.; Marcandella, C.; Duhamel, O.; Richard, N.; Leray, J.L.; Goiffon, V.; Corbiere, F.; Rolando, S.; Molina, R.; Magnan, P.; Girard, S.; Ouerdane, Y.; Boukenter, A.

2015-01-01

Total ionizing dose (TID) effects have been studied for a long time in micro-electronic components designed to operate in natural and artificial environments. In most cases, TID induces both charge trapping in the bulk of irradiated oxides and the buildup of interface traps located at semiconductor/dielectric interfaces. Such effects result from basic mechanisms driven by both the shape of the electric field which stands into the oxide and by fabrication process parameters inducing pre-existing traps in the oxide's bulk. From the pioneering studies based on 'thick' oxide technologies to the most recent ones dedicated to innovative technologies, most studies concluded that the impact of total ionizing dose effects reduces with the oxide thinning. This is specifically the case for the gate-oxide of Metal-Oxide-Semiconductor Field Effect Transistors (MOSFET) for which it is generally considered that TID is not a major issue anymore at kGy dose ranges. TID effects are now mainly due to charge trapping in the field oxides such as Shallow Trench Isolation. This creates either parasitic conduction paths or Radiation-Induced Narrow Channel Effects (RINCE). Static current-voltage (I-V) electrical characteristics are then modified through a significant increase of the off-current of NMOS transistors or by shifting the whole I-V curves (of both NMOS and PMOS transistors). Based on these assumptions, no significant shift of I-V curves should be observed in modern bulk CMOS technologies. However, such phenomenon may not be directly extrapolated to higher TID ranges, typically of several MGy for which only few data are available in the literature. This paper presents evidences of large threshold voltage shifts measured at MGy dose levels despite the fact that transistors are designed in a submicron bulk technology which features a 7-nm thin gate-oxide on GO2 transistors dedicated to mixed analog/digital integrated circuits. Such electrical shifts are encountered

Simulation of MGI efficiency for plasma energy conversion into Ar radiation in JET and implications for ITER

Energy Technology Data Exchange (ETDEWEB)

Pestchanyi, Serguei, E-mail: serguei.pestchanyi@kit.edu [Association EURATOM-KIT, Karlsruhe (Germany); Koslowski, Rudi; Reux, Cedric [JET-EFDA, Culham Science Centre, Abingdon OX14 3DB (United Kingdom); Lehnen, Michael [Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul Lez Durance Cedex (France)

2015-10-15

Highlights: • We simulated disruption mitigation using massive gas injection with the TOKES code. • Cross-reference analysis of JET experiments on MGI and their simulations have been done. • The analysis allows suggesting the mechanism for saturation of radiated energy fraction at 70–80%. • Rough extrapolation of the result on ITER conditions has been done. - Abstract: Effectiveness of massive gas injection (MGI) for mitigation of disruptive wall damage has been investigated. Cross-reference analysis of the available JET experiments on MGI and their simulations with the TOKES code allow suggesting that in JET conditions one can convert into radiation the electron thermal energy and the plasma current energy, but the ion thermal energy does not convert into radiation because of very ineffective excitation of injected noble gas (NG) ions by D ions and long equipartition time between D ions and electrons. The model assumes rather high electron temperature during current quench (CQ), which contradicts with its time duration. Rough extrapolation of the result on ITER conditions shows that one can expect irradiation of total plasma energy if CQ duration in ITER is not shorter as in JET.

HUBUNGAN CITRA MERK BUS (MGI) DENGAN KEPUASAN KONSUMEN PADA TRAYEK BANDUNG-SUKABUMI

OpenAIRE

Ulfa Chairunnisa

2018-01-01

This research aims to study correlation between brand image and customer satisfaction. Quantitative design using correlational method involved 350 MGI bus customer in Bandung-Sukabumi route. Instruments used are Brand Image Inventory (37 item) and Customer Satisfaction Index (37 item). Cooeficient  correlation resulted is 0.684 which means that there is positive correlation between brand image and customer satisfction. High brand image correlated with high customer satisfaction while low bran...

HUBUNGAN CITRA MERK BUS (MGI DENGAN KEPUASAN KONSUMEN PADA TRAYEK BANDUNG-SUKABUMI

Directory of Open Access Journals (Sweden)

Ulfa Chairunnisa

2018-02-01

Full Text Available This research aims to study correlation between brand image and customer satisfaction. Quantitative design using correlational method involved 350 MGI bus customer in Bandung-Sukabumi route. Instruments used are Brand Image Inventory (37 item and Customer Satisfaction Index (37 item. Cooeficient  correlation resulted is 0.684 which means that there is positive correlation between brand image and customer satisfction. High brand image correlated with high customer satisfaction while low brand image correlated with low customer satisfaction.

Iodide-conducting polymer electrolytes based on poly-ethylene glycol and MgI2: Synthesis and structural characterization

International Nuclear Information System (INIS)

Vittadello, Michele; Waxman, David I.; Sideris, Paul J.; Gan Zhehong; Vezzù, Keti; Negro, Enrico; Safari, Ahmad; Greenbaum, Steve G.; Di Noto, Vito

2011-01-01

A major obstacle for a viable technological development of dye sensitized solar cells (DSSCs) is still the synthesis of a high performance iodide-conducting polymer electrolyte. Here we present a series of eight electrolytic complexes with formula PEG1000/(MgI 2 ) x (I 2 ) y (0.0038 ≤ x ≤ 0.5801, 0 ≤ y ≤ 0.0636). The synthesis involves the preparation of a disordered form of MgI 2 by a metallorganic route, which enables us to dissolve high amounts of salt in the chosen polymer host. The thermal analysis of the resulting polymer electrolytes was performed using modulated differential scanning calorimetry measurements. Vibrational studies were carried out using medium FT-IR, far FT-IR and FT-Raman. The variation of the CO and OH stretching modes in the medium infrared, as a function of the mole-to-mole ratio n Mg /n O , was investigated by Gaussian decomposition to provide insight into the polymer–polymer and salt–polymer interactions in these materials. The FT-Raman spectra confirmed and complemented the vibrational assignment. The conductivity study of these systems was performed by electrical spectroscopy in the frequency interval 10 mHz–10 MHz. The direct current conductivity (σ DC ) profiles versus the reciprocal temperature exhibited a Vögel-Tamman-Fülcher (VTF) behavior. The best σ DC at 50 °C was 5 × 10 −5 S cm −1 . The overall results indicate the presence of bivalent, monovalent and neutral species, Mg 2+ , [MgI] + and MgI 2 , respectively, which participate in the conduction process. These results are consistent with what was previously observed in PEG400-based systems doped with δ-MgCl 2 . The presence of at least one Mg site containing a distribution in parameters was observed using 25 Mg solid state magic angle spinning nuclear magnetic resonance (MAS NMR) spectroscopy. The site has been assigned to a Mg complex involving the coordination by oxygen atoms of the polymer backbone.

In situ electrochemical XRD study of (de)hydrogenation of MgyTi100-y thin films

NARCIS (Netherlands)

Vermeulen, P.; Wondergem, H.J.; Graat, P.C.J.; Borsa, D.M.; Schreuders, H.; Dam, B.; Griessen, R.; Notten, P.H.L.

2008-01-01

X-ray diffraction and electrochemical (de)hydrogenation were performed in situ to monitor the symmetry of the unit cells of MgyTi100-y thin film alloys (with 70 to 90 at.% Mg) along the pressure composition isotherms at room temperature. The diffraction patterns show that the crystal structures of

Synthesis and characterization of BaxMgyAl2O4: Eu,Dy nanophosphors prepared using solution-combustion method

CSIR Research Space (South Africa)

Kebede, MA

2011-07-01

Full Text Available Europium-doped barium magnesium aluminate (BaxMgyAl2O4:Eu) phosphors were obtained at low temperature using the solution-combustion of corresponding metal nitrate-urea solution mixtures. The particle sizes, morphology, structural and luminescent...

Immuno-enhancement in tumor-bearing mice induced by whole body X-irradiation with 75 mGy

International Nuclear Information System (INIS)

Zhang Ying; Li Xiuyi; Gong Shouliang; Liu Shuzheng

2000-01-01

Objective: In present study the authors observed the effect of whole body irradiation (WBI) with 75 mGy X-rays on the immune function of tumor-bearing mice. Methods: Lewis lung carcinoma cells were implanted into the right thigh muscle of C57BL/6J mice. Ten days after tumor implantation, the tumor-bearing mice were administrated with 75 mGy X-rays WBI, then the mice were sacrificed 18 h after irradiation to detect the immune parameters including the spontaneous proliferation of thymocytes, the proliferative response of splenocytes to ConA and LPS, the cytotoxic activities of specific cytotoxic lymphocytes (CTL) and natural killer cells (NK), as well as lymphokine activated killer cells (LAK) in spleen. The methods the authors used were 3 H-TdR incorporation or release assay. Results: the immune parameters of exposed tumor-bearing mice were much higher than those of sham-irradiated tumor-bearing mice (P<0.01). Conclusion: These results suggested that low dose radiation (LDR) could enhance the immune function of tumor-bearing mice, which might be of practical significance in the prevention and therapy of cancer

Optimal conditions of LDR to protect the kidney from diabetes: exposure to 12.5 mGy X-rays for 8 weeks efficiently protects the kidney from diabetes.

Science.gov (United States)

Cheng, Jie; Li, Fengsheng; Cui, Jiuwei; Guo, Weiying; Li, Cai; Li, Wei; Wang, Guixia; Xing, Xiao; Gao, Ying; Ge, Yuanyuan; Wang, Guanjun; Cai, Lu

2014-05-08

We reported the attenuation of diabetes-induced renal dysfunction by exposure to multiple low-dose radiation (LDR) at 25 mGy every other day by suppressing renal oxidative damage. We here explored the optimal conditions of LDR to protect the kidney from diabetes. Male C57BL/6J mice with type 1 diabetes were induced with multiple injections of low-dose streptozotocin. Diabetic mice received whole body X-irradiation at a dose of 12.5, 25 or 50 mGy every other day for either 4 or 8 weeks. Age-matched normal mice were similarly irradiated at the dose of 25 mGy for 4 or 8 weeks. The renal function and histopathological changes were examined at the 4th and 8th weeks of the study. Diabetes induced renal dysfunction is shown by the decreased creatinine and increased microalbumin in the urine. Renal oxidative damage, detected by protein nitration and lipid oxidation, and remodeling, reflected by increased expression of connective tissue growth factor, collagen IV and fibronectin, were significantly increased in diabetic mice. All these renal pathological and function changes in diabetic mice were significantly attenuated by exposure to LDR at all regimens, among which, however, exposure to LDR at 12.5 mGy for 8 weeks provided the best protective effect on the kidney of diabetic mice. Our results suggest that whole-body LDR at 12.5 mGy every other day for 8 weeks is the optimal condition of LDR to protect the kidney from diabetes. Copyright © 2014 Elsevier Inc. All rights reserved.

Design of a MGy radiation tolerant resolver-to-digital convertor IC for remotely operated maintenance in harsh environments

Energy Technology Data Exchange (ETDEWEB)

Leroux, Paul, E-mail: paul.leroux@kuleuven.be [KU Leuven, Dept. of Electrical Engineering (ESAT), AdvISe, Kleinhoefstraat 4, 2440 Geel (Belgium); Van Koeckhoven, Wesley; Verbeeck, Jens [KU Leuven, Dept. of Electrical Engineering (ESAT), AdvISe, Kleinhoefstraat 4, 2440 Geel (Belgium); Van Uffelen, Marco; Esqué, Salvador; Ranz, Roberto; Damiani, Carlo [Fusion for Energy, Torres Diagonal Litoral B3, Josep Pla 2, 08019 Barcelona (Spain); Hamilton, David [ITER Organization, Route de Vinon sur Verdon, 13115 Saint Paul-lez-Durance (France)

2014-10-15

During future ITER maintenance operations, sensors and their embarked electronics will be exposed to a hostile and radioactive environment. This paper presents the design of a MGy radiation tolerant 16 bit resolver-to-digital converter (RDC) in 130 nm CMOS technology. The RDC features a Type II digital tracking loop, able to track resolvers with speeds up to 300 rps, and excitation frequencies up to 4 kHz. The RDC uses two integrated ΔΣ-analog-to-digital converters (ADCs) to digitize the resolver outputs. The 16 bit, 10 kHz ADCs utilize a correlated double sampling technique to remove radiation induced offset and 1/f-noise. The front-end features a static angular resolution of 16 bits (4.2 arcsec{sub rms}) and a resolution of 10 bits (6 arcmin{sub rms}) at a rotor speed of 100 rps. The circuit has a simulated radiation tolerance exceeding 1 MGy. It has the ability to operate under temperatures up to 125 °C, and to allow multiplexing with signals from other conventional sensors for compact, robust read-out architectures.

Determination of gold and silver in geological standard samples MGI by instrument neutron activation analysis

International Nuclear Information System (INIS)

Lu Huijiuan; Zhou; Yunlu

1987-01-01

Gold and silver in geological standard samples MGI were determined by instrument neutron activation analysis. The various interferences of nuclides were considered. Corrected factors of the geometry in different positions have been determined. Using the geological standard sample MGM and radiochemical separation neutron activation method as reference, the reliability of this method is proved. Gold content in samples is 0.4-0.009 g/t, silver content is 9-0.3 g/t. Standard deviation is less than 3.5%, the precision of the measurement is 4.8-11.6%

Kas on oodata ka jätku? / Ülo Tedre

Index Scriptorium Estoniae

Tedre, Ülo, 1928-

2011-01-01

Arvustus: Jakob Hurda perekonna kirjavahetus aastail 1866-1917. Esimene köide, 1866-1896 / [koostanud Henno Lender]. Tartu : Ilmamaa, 2007 ; Jakob Hurda perekonna kirjavahetus aastail 1866-1917. Teine köide, 1897-1917 / [koostanud Henno Lender]. Tartu : Ilmamaa, 2007 ; Reiman, Villem. Villem Reimani ja Jakob Hurda kirjavahetus aastatel 1884–1904 / [koostanud Tarmo Piir]. Tartu : Ilmamaa, 2010

A > 4 MGy radiation tolerant 8 THzOhm transimpedance amplifier with 50 dB dynamic range

International Nuclear Information System (INIS)

Verbeeck, J; Steyaert, M; Leroux, P

2013-01-01

A 130 nm Transimpedance Amplifier has been developed with a 255 MHz bandwidth, 90 dBΩ transimpedance gain and a dynamic input range of 1:325 or 50 dB for a photo-diode capacitance of 0.75 pF. The equivalent integrated input noise is 160 nA - 25°C. The gain of the voltage amplifier, used in the transimpedance amplifier (TIA), degrades less than 3% over a temperature range from -40 °C up to 125 °C. The TIA and attenuator exhibit a radiation tolerance larger than 4 MGy, as evidenced by radiation assessment.

Majaraamatud - ühtne tervik ja väärikalt hoitud detailid / Yoko Alender

Index Scriptorium Estoniae

Alender, Yoko, 1979-

2011-01-01

Tutvustus: Tallinna maja : hoonetüübi areng ja säästev uuendamine / koostanud Mark Sepp ja Tallinna Kultuuriväärtuste Amet. Tallinn, 2010; Lenderi maja : hoonetüübi areng ja säästev uuendamine / koostanud Anni Martin ja Tallinna Kultuuriväärtuste Amet. Tallinn, 2009; Funktsionalistlik maja : eramu ja väike kortermaja / koostanud Monika Eensalu ja Tallinna Kultuuriväärtuste Amet. Tallinn, 2011. Vanade majade säilitamisest

Kena kingitus emale / Olivia Saar

Index Scriptorium Estoniae

Saar, Olivia

2008-01-01

Tutvustus: Laulud emast / [koostanud Olivia Saar]. Tallinn : TEA Kirjastus, 2007 ; Seitse paid : laulud emale / [Kalju Kangur, Ira Lember, Kersti Merilaas ... jt. ; koostanud Olivia Saar] ; pildid joonistanud Kirke Kangro. Tallinn : TEA Kirjastus, 2007

Design and assessment of a 6 ps-resolution time-to-digital converter with 5 MGy gamma-dose tolerance for nuclear instrumentation

International Nuclear Information System (INIS)

Cao, Y.; Leroux, P.; De Cock, W.; Steyaert, M.

2011-01-01

Time-to-Digital Converters (TDCs) are key building blocks in time-based mixed-signal systems, used for the digitization of analog signals in time domain. A short survey on state-of-the-art TDCs is given. In order to realize a TDC with picosecond time resolution as well as multi MGy gamma-dose radiation tolerance, a novel multi-stage noise-shaping (MASH) delta-sigma (ΔΣ) TDC structure is proposed. The converter, implemented in 0.13 μm, achieves a time resolution of 5.6 ps and an ENOB of 11 bits, when the over sampling ratio (OSR) is 250. The TDC core consumes only 1.7 mW, and occupies an area of 0.11 mm 2 . Owing to the usage of circuit level radiation hardened-by-design techniques, such as passive RC oscillators and constant-g m biasing, the TDC exhibits enhanced radiation tolerance. At a low dose rate of 1.2 kGy/h, the frequency of the counting clock in the TDC remains constant up to at least 160 kGy. Even after a total dose of 3.4 MGy at a high dose rate of 30 kGy/h, the TDC still achieves a time resolution of 10.5 ps with an OSR of 250. (authors)

Design and assessment of a 6 ps-resolution time-to-digital converter with 5 MGy gamma-dose tolerance for nuclear instrumentation

Energy Technology Data Exchange (ETDEWEB)

Cao, Y. [ESAT-MICAS Div., Katholieke Universiteit Leuven, B-3001 Heverlee (Belgium); SCK.CEN, Belgian Nuclear Research Centre, B-2400 Mol (Belgium); Leroux, P. [ESAT-MICAS Div., Katholieke Universiteit Leuven, B-3001 Heverlee (Belgium); ICT-RELIC Div., Katholieke Hogeschool Kempen, B-2440 Geel (Belgium); De Cock, W. [SCK.CEN, Belgian Nuclear Research Centre, B-2400 Mol (Belgium); Steyaert, M. [ESAT-MICAS Div., Katholieke Universiteit Leuven, B-3001 Heverlee (Belgium)

2011-07-01

Time-to-Digital Converters (TDCs) are key building blocks in time-based mixed-signal systems, used for the digitization of analog signals in time domain. A short survey on state-of-the-art TDCs is given. In order to realize a TDC with picosecond time resolution as well as multi MGy gamma-dose radiation tolerance, a novel multi-stage noise-shaping (MASH) delta-sigma ({Delta}{Sigma}) TDC structure is proposed. The converter, implemented in 0.13 {mu}m, achieves a time resolution of 5.6 ps and an ENOB of 11 bits, when the over sampling ratio (OSR) is 250. The TDC core consumes only 1.7 mW, and occupies an area of 0.11 mm{sup 2}. Owing to the usage of circuit level radiation hardened-by-design techniques, such as passive RC oscillators and constant-g{sub m} biasing, the TDC exhibits enhanced radiation tolerance. At a low dose rate of 1.2 kGy/h, the frequency of the counting clock in the TDC remains constant up to at least 160 kGy. Even after a total dose of 3.4 MGy at a high dose rate of 30 kGy/h, the TDC still achieves a time resolution of 10.5 ps with an OSR of 250. (authors)

Ilmusid Rahvusraamatukogu uuenenud toimetised / Mihkel Volt

Index Scriptorium Estoniae

Volt, Mihkel

2009-01-01

Tutvustus: Ajalookirjutaja aeg = Aetas historicorum / Eesti Rahvusraamatukogu ; koostanud Piret Lotman. (Eesti Rahvusraamatukogu toimetised, nr. 11). Tallinn, 2008 ; Teenuse kvaliteet – raamatukogutöö tulemuslikkuse näitaja = Service quality – library perfomance indicator / Eesti Rahvusraamatukogu ; koostanud Anne Veinberg. (Eesti Rahvusraamatukogu toimetised ; 12). Tallinn, 2009.

Manhattanilt Tartu tahahoovi / Vaapo Vaher

Index Scriptorium Estoniae

Vaher, Vaapo, 1945-

2008-01-01

Tutvustus: Dos Passos, John. Manhattan Transfer / tlk. Olavi Teppan. Tallinn : Tänapäev, 2007 ; Betti Alver : usutlused. Kirjad. Päevikukatked. Mälestused / koostanud ja toimetanud Kristi Metste, Enn Lillemets. Tallinn : Tänapäev, 2007 ; Artur Alliksaar mälestustes / koostanud Henn-Kaarel Hellat. Tartu : Ilmamaa, 2007. Ka kirjastusest Ilmamaa

Total body 100-mGy X-irradiation does not induce Alzheimer's disease-like pathogenesis or memory impairment in mice

International Nuclear Information System (INIS)

Wang, Bing; Tanaka, Kaoru; Ji, Bin

2014-01-01

The cause and progression of Alzheimer's disease (AD) are poorly understood. Possible cognitive and behavioral consequences induced by low-dose radiation are important because humans are exposed to ionizing radiation from various sources. Early transcriptional response in murine brain to low-dose X-rays (100 mGy) has been reported, suggesting alterations of molecular networks and pathways associated with cognitive functions, advanced aging and AD. To investigate acute and late transcriptional, pathological and cognitive consequences of low-dose radiation, we applied an acute dose of 100-mGy total body irradiation (TBI) with X-rays to C57BL/6J Jms mice. We collected hippocampi and analyzed expression of 84 AD-related genes. Mouse learning ability and memory were assessed with the Morris water maze test. We performed in vivo PET scans with 11 C-PIB, a radiolabeled ligand for amyloid imaging, to detect fibrillary amyloid beta peptide (Aβ) accumulation, and examined characteristic AD pathologies with immunohistochemical staining of amyloid precursor protein (APP), Aβ, tau and phosphorylated tau (p-tau). mRNA studies showed significant downregulation of only two of 84 AD-related genes, Apbb1 and Lrp1, at 4 h after irradiation, and of only one gene, Il1α, at 1 year after irradiation. Spatial learning ability and memory were not significantly affected at 1 or 2 years after irradiation. No induction of amyloid fibrillogenesis or changes in APP, Aβ, tau, or p-tau expression was detected at 4 months or 2 years after irradiation. TBI induced early or late transcriptional alteration in only a few AD-related genes but did not significantly affect spatial learning, memory or AD-like pathological change in mice. (author)

Mis on elus olulisim / Aita Kivi

Index Scriptorium Estoniae

Kivi, Aita, 1954-

2002-01-01

Sisu : Mitch Albom. Teisipäevad Morrie'ga; Santa Montefiore. Oota mind ombupuu all; Ridley Pearson. Tont teab kus; Sebastian Faulks. Linnulaul; Kerttu Rakke. Iluasjake; Merike Hanni. Kooliraha; Viivi Luik. Ajaloo ilu; Hermann Hesse. Stepihunt; Eesti luulet läbi aegade / [koostanud Marika Vingissar; Philip K. Dick. Ubik; Marion Zimmer Bradley. Avaloni udud; Kuus eesti luuletajat / koostanud Anne Lange

Edasi - Juhan Liivi juurde! / Rein Veidemann

Index Scriptorium Estoniae

Veidemann, Rein, 1946-

2008-01-01

Arvustus: Liiv, Juhan. Tuulehoog lõi vetesse : [luuletused] / koostanud Jüri Talvet. Tallinn : Tänapäev, 2007. (Suur luuleraamat) ; Liiv, Juhan. Meel paremat ei kannata : valik luulet eesti ja inglise keeles = The Mind Would Bear No Better : A Selection of Poetry in Estonian and English / tõlkinud ja koostanud Jüri Talvet. Tartu : Tartu Ülikooli Kirjastus, 2007

14. II kell 14 esitletakse EKMi Rüütelkonna hoones...

Index Scriptorium Estoniae

2005-01-01

Esitletakse raamatuid "Eesti kunst. 101 teost Eesti kunstimuuseumi kogudest" (autorid: Tiina Abel, Eha Komissarov, Hanno Soans, koostanud T. Abel, E. Komissarov, H. Soans ja Kädi Talvoja, kujundanud Anu Lemsalu), "Kunstnik ja tema kodu. C. T. von Neffi kunstikogu Piira ja Muuga mõisast" (koostanud Tiina Abel, kujundanud Andres Tali) ja Kiwa "Roboti tee on nihe. Salatühik"

Vene kirjanduse õpik lõhestab kirjanikud headeks ja pahadeks / Vaapo Vaher

Index Scriptorium Estoniae

Vaher, Vaapo, 1945-

2003-01-01

Arvustus: XX sajandi vene kirjandus. I, Luule / [koostanud Katrin Kalamees ja Maritsa Lens. Tallinn] : Avita, 2002; XX sajandi vene kirjandus. II, Proosa / [koostanud Katrin Kalamees ja Maritsa Lens. Tallinn] : Avita, 2002. Vastukajad: Tuch, Boris. Dva toma oshibok // Estonija (2003) 28. apr., lk. 9 ; Kalamees, Katrin ; Lens, Maritsa. Vastuseid Vaapo Vaheri küsimistele // Eesti Päevaleht (2003) 2. mai, lk. 17

Study on the early surface films formed on Mg-Y molten alloy in different atmospheres

Directory of Open Access Journals (Sweden)

A.R. Mirak

2015-09-01

Full Text Available In the present study, the non-isothermal early stages of surface oxidation of liquid Mg-1%Y alloy during casting were studied under UPH argon, dry air, and air mixed with protective fluorine-bearing gases. The chemistry and morphology of the surface films were characterized by SEM and EDX analyses. The results indicate a layer of smooth and tightly coherent oxidation film composed of MgO and Y2O3 formed on the molten Mg-Y alloy surface with 40–60 nm thickness under dry air. A dendritic/cellular microstructure is clearly visible with Y-rich second phases gathered in surface of the melt and precipitated along the grain/cell boundaries under all gas conditions. Under fluorine-bearing gas mixtures, the surface film was a mixed oxide and fluoride and more even; a flat and folded morphology can be seen under SF6 with oxide as dominated phase and under 1, 1, 1, 2-tetra-fluoroethane, a smooth and compact surface film uniformly covering the inner surface of the bubble with equal oxide and fluoride thickness, which results in a film without any major defects. MgF2 phase appears to be the key characteristic of a good protective film.

Emotsionaalselt raske vabadus / Teeli Remmelg

Index Scriptorium Estoniae

Remmelg, Teeli

2007-01-01

Endine KPMG osakonnajuht ja tunnustatud maksuspetsialist Kadri Arula leiab, et uue töö leidmine pole sugugi nii lihtne, eriti kui tahetakse vahetada eriala. CV: Kadri Arula. Kommenteerivad Riina Rohelaan ja Mare Teichmann

Vastuseid Vaapo Vaheri küsimistele / Katrin Kalamees, Maritsa Lens

Index Scriptorium Estoniae

Kalamees, Katrin

2003-01-01

Arvustus: XX sajandi vene kirjandus. I, Luule / [koostanud Katrin Kalamees ja Maritsa Lens. Tallinn] : Avita, 2002; XX sajandi vene kirjandus. II, Proosa / [koostanud Katrin Kalamees ja Maritsa Lens. Tallinn] : Avita, 2002. Vastuseks Vaapo Vaheri arvustusele "Vene kirjanduse õpik lõhestab kirjanikud headeks ja pahadeks", Eesti Päevaleht : Arkaadia, 25. apr. 2003. Vt. ka vastukajad: Tuch, Boris. Dva toma oshibok // Estonija (2002) 28. apr., lk. 9; Vaher, Vaapo. Hüvad ärritunud pedagoogilised daamid, Eesti Päevaleht : Arkaadia, 2. mai, lk. 17

Hüvad ärritunud pedagoogilised daamid / Vaapo Vaher

Index Scriptorium Estoniae

Vaher, Vaapo, 1945-

2003-01-01

Arvustus: XX sajandi vene kirjandus. I, Luule / [koostanud Katrin Kalamees ja Maritsa Lens. Tallinn] : Avita, 2002; XX sajandi vene kirjandus. II, Proosa / [koostanud Katrin Kalamees ja Maritsa Lens. Tallinn] : Avita, 2002. Vastuseks Vaapo Vaheri arvustusele "Vene kirjanduse õpik lõhestab kirjanikud headeks ja pahadeks", Eesti Päevaleht : Arkaadia, 25. apr. 2003: Kalamees, Katrin; Lens, Maritsa. Vastuseid Vaapo Vaheri küsimistele, Eesti Päevaleht, 2. mai, lk. 17; Vt. ka vastukajad: Tuch, Boris. Dva toma oshibok // Estonija (2002) 28. apr., lk. 9

Objekt nr 2011 / Liina Siib, Signe Kivi, Vilen Künnapu ...[jt.

Index Scriptorium Estoniae

2011-01-01

Installatsioon "Objekt nr. 2011" Tallinnas Vabaduse väljakul 27.02.-20.03.2011. Arvamust avaldavad kuplis objektiks olnud. Installatsiooni autorid: Mart Koldits, Kaarel Oja, Iir Hermeliin, Indrek Tiigi, Kadri Tamre, Kadri Tikerpuu, Sirli Bergström

Два тома ошибок / Борис Тух

Index Scriptorium Estoniae

Тух, Борис, 1946-

2003-01-01

Arvustus: XX sajandi vene kirjandus. I, Luule / [koostanud Katrin Kalamees ja Maritsa Lens. Tallinn] : Avita, 2002; XX sajandi vene kirjandus. II, Proosa / [koostanud Katrin Kalamees ja Maritsa Lens. Tallinn] : Avita, 2002. Vastuseks Vaapo Vaheri arvustusele "Vene kirjanduse õpik lõhestab kirjanikud headeks ja pahadeks", Eesti Päevaleht : Arkaadia, 25. apr. 2003. Vt. ka vastukajad: Kalamees, Katrin; Lens, Maritsa. Vastuseid Vaapo Vaheri küsimistele, Eesti Päevaleht, 2. mai, lk. 17; Vaher, Vaapo. Hüvad ärritunud pedagoogilised daamid, Eesti Päevaleht : Arkaadia, 2. mai, lk. 17

Õhuloss ehk tuletorni juurde / Tiina Käesel ; kommenteerinud Tamara Luuk

Index Scriptorium Estoniae

Käesel, Tiina, 1943-

2011-01-01

Ehtekunstinäitus "Õhuloss" Tallinna Põhjatuletornis 25. septembrini 2011. Näitusega kaasneb raamat "Castle in the Air - Jewellery from Estonia - Õhuloss", koostajad Kadri Mälk ja Tanel Veenre. Rühmitusse "õhuLoss" kuuluvad Kadri Mälk, Piret Hirv, Eve Margus-Villems, Kristiina Laurits, Villu Plink, Tanel Veenre, Katrin Sipelgas

Nahaga kaetud ihu / Kristi Paap

Index Scriptorium Estoniae

Paap, Kristi

2008-01-01

Rahvusvaheline näitus "2nd skin. Korgipuust ehted" Eesti Tarbekunsti- ja disainimuuseumis kuni 24. IV. Eestist osalevad näitusel Kadri Mälk, Tanel Veenre ja Tõnis Malkov. Carla Castiajo, Eija Mustoneni, Ramon Puig Cuyas'i, Jose Carlos Marquesi, Leonor Hipolito, Tanel Veenre, Gisela Ribeiro ja Kadri Mälgu töödest

Kunstitudengid näitavad Maarjamäe lossi pargis oma vabadussamba tõlgendusi

Index Scriptorium Estoniae

2008-01-01

Eesti Kunstiakadeemia skulptuuritudengid Marit Mardla, Matthias-Jakob Sildnik, Mikk Madisson, Liis Dvorjanski, Uku Sepisvart, Hannes Aasamets, Kadri Allekand, Kristin Orav, Loore Raav, Jekaterina Kultajeva, Li Yang, Kristel Aasjõe, Liivi Tantaal, Jass Kaselaan, Edith Karlson, Kadri Metstak, Berit Talpsepp ja Eike Eplik näitavad oma töid näitusel "Vabaduse monumendid"

Free zones on the fence

Index Scriptorium Estoniae

2001-01-01

Euroopa Liiduga liitumisega võib kaasneda vabakaubandustsoonide kadumine Baltimaade sadamates. Sellega seonduvatest probleemidest. Koostanud Olga Pavuk, Jelena Narushevich, Gediminas Pilaitis, Tatjana Merkulova

GLEN ehk Eesti noored Aafrikaga tutvust tegemas / Annika Räim

Index Scriptorium Estoniae

Räim, Annika

2008-01-01

GLEN (Global Education for the Young Europeans) on programm, kus löövad kaasa Euroopa Liidu 12 liikmesmaa mittetulundusühingud ning mis lähetab noori eurooplasi projektide raames kolmeks kuuks arengumaadesse. Artiklis jagavad oma muljeid GLEN-projektis osalenud Kadri Runnel Gruusiast, Kadri Aavik Lõuna-Aafrika Vabariigist, Birgit Rosenberg Sambiast ja Mari Nuga Kamerunist

Pojushtshije tela / Eteri Kekelidze

Index Scriptorium Estoniae

Kekelidze, Eteri, 1944-

2007-01-01

10. apr. Kumu Kunstimuuseumis tantsuteatri Zick esituses etenduvast tantsulavastusest "Piaf", koreograafia ja kujunduse on teinud Dmitri Harchenko, video koostanud Einar Lints, valguskujundus Triin Hook

Very low-dose (0.15 mGy) chest CT protocols using the COPDGene 2 test object and a third-generation dual-source CT scanner with corresponding third-generation iterative reconstruction software.

Science.gov (United States)

Newell, John D; Fuld, Matthew K; Allmendinger, Thomas; Sieren, Jered P; Chan, Kung-Sik; Guo, Junfeng; Hoffman, Eric A

2015-01-01

The purpose of this study was to evaluate the impact of ultralow radiation dose single-energy computed tomographic (CT) acquisitions with Sn prefiltration and third-generation iterative reconstruction on density-based quantitative measures of growing interest in phenotyping pulmonary disease. The effects of both decreasing dose and different body habitus on the accuracy of the mean CT attenuation measurements and the level of image noise (SD) were evaluated using the COPDGene 2 test object, containing 8 different materials of interest ranging from air to acrylic and including various density foams. A third-generation dual-source multidetector CT scanner (Siemens SOMATOM FORCE; Siemens Healthcare AG, Erlangen, Germany) running advanced modeled iterative reconstruction (ADMIRE) software (Siemens Healthcare AG) was used.We used normal and very large body habitus rings at dose levels varying from 1.5 to 0.15 mGy using a spectral-shaped (0.6-mm Sn) tube output of 100 kV(p). Three CT scans were obtained at each dose level using both rings. Regions of interest for each material in the test object scans were automatically extracted. The Hounsfield unit values of each material using weighted filtered back projection (WFBP) at 1.5 mGy was used as the reference value to evaluate shifts in CT attenuation at lower dose levels using either WFBP or ADMIRE. Statistical analysis included basic statistics, Welch t tests, multivariable covariant model using the F test to assess the significance of the explanatory (independent) variables on the response (dependent) variable, and CT mean attenuation, in the multivariable covariant model including reconstruction method. Multivariable regression analysis of the mean CT attenuation values showed a significant difference with decreasing dose between ADMIRE and WFBP. The ADMIRE has reduced noise and more stable CT attenuation compared with WFBP. There was a strong effect on the mean CT attenuation values of the scanned materials for ring

Eesti poliitikarahvas läbi aegade / Aksel Mark

Index Scriptorium Estoniae

Mark, Aksel, 1913-2014

1999-01-01

rets. rmt.: Valitud ja valitsenud: Eesti parlamentaarsete ja muude esinduskogude ning valitsuste isikkoosseis aastail 1917-1999 / koostanud Jaan Toomla. Tallinn : Eesti Rahvusraamatukogu, 1999. 474 lk.

Ühe maketinäituse lugu / Alvin Järving, Larissa Kondina, Johan Tali ...[jt.] ; üles kirjutanud Maris Kerge

Index Scriptorium Estoniae

2011-01-01

Näitus "Viini Eksiilid. Helisev arhitektuur" kinos Helios 10-18.09.2011 Tallinna arhitektuuribiennaali raames. Näitusel osalevad arhitektid Alvin Järving, Larissa Kondina, Joanna-Maria Helinurm, Johan Tali, Kadri Kerge, Kadri Tamre, Siim Tuksam ja Sille Pihlak, kes on äsja lõpetanud või õpivad Viini Rakenduskunsti Ülikooli (Universität für Angewandte Kunst Wien) arhitektuurikoolis. Näitusel osalejate mõtteid

Kultuurilaenude supermarket ja müütiline arheoloogia / Hasso Krull

Index Scriptorium Estoniae

Krull, Hasso, 1964-

2016-01-01

Arvustus: Imemuinasjutud / koostanud ja toimetanud Risto Järv, Mairi Kaasik, Kärri Toomeos-Orglaan. Tartu : Eesti Kirjandusmuuseumi Teaduskirjastus, 2009.(Monumenta Estoniae antiquae. V, Eesti muinasjutud ; I:1)

Kultuurilaenude supermarket ja müütiline arheoloogia / Hasso Krull

Index Scriptorium Estoniae

Krull, Hasso, 1964-

2011-01-01

Arvustus: Imemuinasjutud / koostanud ja toimetanud Risto Järv, Mairi Kaasik, Kärri Toomeos-Orglaan. Tartu : Eesti Kirjandusmuuseumi Teaduskirjastus, 2009.(Monumenta Estoniae antiquae. V, Eesti muinasjutud ; I:1)

[Vene impeerium ja Baltikum. Venestus, rahvuslus ja moderniseerimine 19. sajandi teisel poolel ja 20. sajandi alguses] / Olaf Mertelsmann

Index Scriptorium Estoniae

Mertelsmann, Olaf, 1969-

2015-01-01

Arvustus: Vene impeerium ja Baltikum : venestus, rahvuslus ja moderniseerimine 19. sajandi teisel poolel ja 20. sajandi alguses. II / koostanud Tõnu Tannberg ja Bradley Woodworth. Tartu : Eesti Ajalooarhiiv, 2010

Raamatututvustus / Teet Korsten

Index Scriptorium Estoniae

Korsten, Teet, 1967-

2008-01-01

Tutvustus: Wilde, Oscar. Salvavalt teravmeelne Oscar Wilde / koostanud Maria Leach. [Tallinn] : Ersen, c2008 ; Tartu on unenägu : [Tartuga seotud autorite tekstid ]. Tartu : Eesti Kirjanduse Selts, 2006

Mitmehäälne jutukogu / Katre Kikas

Index Scriptorium Estoniae

Kikas, Katre

2011-01-01

Tutvustus: Narrative Episodes from the Tulalang Epic / [jutustavad] Ampatuan Ampalid, Letipa Andaguer, Adriano Ambangan ; [koostanud ja tõlkinud] Hazel J. Wrigglesworth. Manila : Linguistic Society of the Philippines, 2008

Kvaliteedi uuringutest kvaliteediseireni / Elviine Uverskaja

Index Scriptorium Estoniae

Uverskaja, Elviine, 1948-

2009-01-01

Arvustus: Teenuse kvaliteet – raamatukogutöö tulemuslikkuse näitaja = Service quality – library perfomance indicator / Eesti Rahvusraamatukogu ; koostanud Anne Veinberg. (Eesti Rahvusraamatukogu toimetised ; 12). Tallinn, 2009.

"Ametniku soovitussõnastik" / Tuuli Rehemaa

Index Scriptorium Estoniae

Rehemaa, Tuuli, 1974-

2014-01-01

Tutvustus: Ametniku soovitussõnastik [Võrguteavik] / Eesti Keele Instituut ; koostanud ja toimetanud Tiina Paet, Tuuli Rehemaa, Argo Mund. Tallinn : Eesti Keele Sihtasutus, 2014. - http://www.eki.ee/dict/ametnik/

Ruti raamat ja Jaakobi redel / Anu Saluäär

Index Scriptorium Estoniae

Saluäär, Anu, 1948-

2006-01-01

Arvustus: Ruti raamat : artikleid, lugusid ja mälestusi : pühendusteos Rutt Hinrikusele : 7.05.2006 / [koostanud Sirje Olesk ja Janika Kronberg ; toimetanud Tiina Saluvere]. Tartu : Eesti Kirjandusmuuseum, 2006

[Mihai Eminescu luulefestivalil osales Jüri Talvet

Index Scriptorium Estoniae

2014-01-01

Mihai Eminescu luulefestivalil esitleti mahukat tõlkeantoloogiat "Antologia poeziei universal de astăzi" (Craiova: Editura Europa”, 2014), mille on koostanud Ion Deaconescu. Antoloogias on ka Jüri Talveti luulet

Raamat "Raidmets" = "Raidmets" book

Index Scriptorium Estoniae

2012-01-01

Tutvustus: Toivo Raidmets / koostanud Toivo Raidmets ; toimetanud Leele Välja ; tekstid: Krista Kodres, Sirje Helme, Harry Liivrand, Mart Kalm. Tallinn : Eesti Kunstiakadeemia, 2011. Loetletud Toivo Raidmetsa tehtud töid

Minevikupärandit Häädemeestelt / Eevi Ross

Index Scriptorium Estoniae

Ross, Eevi, 1938-

2012-01-01

Raamatututvustus: Minevikupärandit Häädemeestelt : valimik korrespondentide murdetekste. VIII / Eesti Teaduste Akadeemia Emakeele Selts ; kogunud Marta Mäesalu ; koostanud ja toimetanud: Helju Kaal, Eevi Ross. Tallinn : Emakeele Selts, 2012

Avatud arhiiv / Ketli Tiitsar

Index Scriptorium Estoniae

Tiitsar, Ketli

2005-01-01

Näitus "Arhiiv. Tarbekunstimuuseumi näitused 1982-2004" Eesti Tarbekunsti- ja Disainimuuseumis kuni 15. I 2006. Näituse on koostanud Merike Alber, Kai Lobjakas, Airi Ligi, Anne Tiivel, kujundanud Ketli Tiitsar

[Vene impeerium ja Baltikum: venestus, rahvuslus ja moderniseerimine 19. sajandi teisel poolel ja 20. sajandi alguses. 1] / Toomas Karjahärm

Index Scriptorium Estoniae

Karjahärm, Toomas, 1944-

2010-01-01

Arvustus: Vene impeerium ja Baltikum : venestus, rahvuslus ja moderniseerimine 19. sajandi teisel poolel ja 20. sajandi alguses. I / koostanud Tõnu Tannberg, Bradley Woodworth. Eesti Ajalooarhiivi toimetised ; 16 (23). (Tartu : Eesti Ajalooarhiiv, 2009)

Uus kord tõi nurina / Jaana Pikalev

Index Scriptorium Estoniae

Pikalev, Jaana

2010-01-01

IT-eksperdid Tõnu Samuel ja Jaan Jänesmäe peavad domeenireformi läbikukkunuks ning on koostanud avaliku kirja, milles kritiseerivad Eesti Interneti Sihtasutuse juhte Marek-Andres Kautsi ja Jaak Lippmaad

Ilmus Rein Neggo "Vastutuuli. I" / Hannes Oja

Index Scriptorium Estoniae

Oja, Hannes

1999-01-01

rets. rmt.: Vastutuuli. I : valimik EELK Los Angelese koguduse ajakirjas "Vastutuuli" (1950-1965) avaldatud kirjasõna / koostanud ja toimetanud Rein Neggo. Los Angeles : Eesti Evangeelse Luterliku Kiriku Los Angelese kogudus, 1999. 199 lk. : ill.

51. Veneetsia kunstibiennaalil esindab Eestit kunstnik Mark Raidpere...

Index Scriptorium Estoniae

2005-01-01

Mark Raidpere ekspositsiooni "Varjupaik" on koostanud Hanno Soans. 12. VI-6. XI avatud biennaalil on kaks peakuraatorit ja kaks teemanäitust: Maria de Corrali kureeritud "Kunsti kogemus" ja Rosa Martinezi kureeritud "Alati pisut eespool"

Allen Ginsberg kirjutab Ameerikast

Index Scriptorium Estoniae

2003-01-01

Arvustus: Ginsberg, Allen. Ameerika : valik luuletusi 1947-1996 / koostanud ja toimetanud Hasso Krull ; inglise keelest tõlkinud Contra, Lauri Kitsnik, Hasso Krull, Andres Langemets, Margit Langemets, Jürgen Rooste, Tõnu Õnnepalu. Tallinn : Perioodika, 2003

Fotorealismi pool sajandit ehk ühe "-ismi" mitu lainet = Half a century of photorealism, or several waves of one "-ism" / Tiiu Parbus

Index Scriptorium Estoniae

Parbus, Tiiu, 1989-

2016-01-01

Rahvusvaheline näitus "Fotorealism. 50 aastat hüperrealistlikku maali" Kumus eksponeerib algupärase fotorealismi superstaare. Koostanud Tübingeni Kultuurivahetuse Instituut, kuraator Otto Letze. Eesti hüperrealismi seoseid Ameerika algupärandiga

Tänades soomlasi ja Hando Runneli naist / Vaapo Vaher

Index Scriptorium Estoniae

Vaher, Vaapo, 1945-

2011-01-01

Tutvustus: Harjula, Mirko. Eesti 1914-1922 / tõlkinud Kadri Jaanits ja Paul Kokla. Tallinn : Tänapäev, 2011 ; Tuomioja, Erkki. Jaan Tõnisson ja Eesti iseseisvus / tõlkinud Kadri Jaanits ja Katrin Kurmiste. Tallinn : Varrak, 2011 ; Márai, Sándor. Ühe kodanlase pihtimused / tõlkinud Edvin Hiedel. Tallinn : Varrak, 2010 ; Pesti, Arvo; Pesti, Olavi. Kirjad vennale. Tartu : Ilmamaa, 2011 ; Roots, Harald. Kui võitluseta murdus mõõk. Tartu : Ilmamaa, 2010 ; Runnel, Hando. Ütles mu naine. Tartu : Ilmamaa, 2010

Elagu manhattaniseerumine! = Long Live Manhattanisation! / Panu Lehtovuori

Index Scriptorium Estoniae

Lehtovuori, Panu, 1968-

2006-01-01

Maakri kvartali arhitektuurikonkursist. Võistlustööd vajavad veel edasist läbitöötamist ja seetõttu on vajalik võistluse II etapp. Töödest "Galileo", autorid Tõnu Laigu, Koit Ojaliiv, Juhan Rohtla (QP Arhitektid), "Urban Village", autor Kalle Komissarov, "Parkour'32", autorid Kadri Tamre, Indrek Tiigi, Ülar Mark (Urban Mark), "Parabool", autorid Leena Torim, Veronika Valk, Tõnis Arjus, Kadri Klementi, Eerik Kändler (Zizi & Yoyo), "Trident", autorid Ott Kadarik, Villem Tomiste, Mihkel Tüür (Kosmos)

Paul Pinna ja Theodor Altermann täna Assauwe teatris

Index Scriptorium Estoniae

2005-01-01

20. dets. kell 17 toimub Eesti Teatri- ja Muusikamuuseumis noorteõhtu, näha saab Th. Altermanni ja P. Pinnat. Etenduse toob vaatajateni Assauwe teater. Noorteõhtu on koostanud Viljandi Kultuuriakadeemia lavastaja eriala tudeng H. Rekkor

Teater

Index Scriptorium Estoniae

2005-01-01

20. dets. kell 17 toimub Eesti Teatri- ja Muusikamuuseumis noorteõhtu, näha saab Th. Altermanni ja P. Pinnat. Etenduse toob vaatajateni Assauwe teater. Noorteõhtu on koostanud Viljandi Kultuuriakadeemia lavastaja eriala tudeng H. Rekkor

Walter Benjamin ja lugemismõnu / Aija Sakova-Merivee

Index Scriptorium Estoniae

Sakova-Merivee, Aija, 1980-

2014-01-01

Arvustus: Benjamin, Walter. Lapsepõlv Berliinis 1900. aasta paiku : valik esseid. II / Walter Benjamin ; saksa keelest tõlkinud Mati Sirkel ; koostanud ja järelsõna: Marek Tamm. Tallinn : Kultuurileht, 2014. (Loomingu raamatukogu ; 2014, nr. 9/11)

[Eesti! Sa seisad lootusrikka tuleviku lävel, kus sa vabalt ja isesesvalt oma saatust määrata ja juhtida võid. Eesti riikluse alusdokumendid 1917-1920. [Estland! Du stehst auf der Schwelle zu einer hoffnungsvollen Zukunft, in der du frei und unab

Index Scriptorium Estoniae

Brüggemann, Karsten, 1965-

2009-01-01

Arvustus: Eesti! Sa seisad lootusrikka tuleviku lävel, kus sa vabalt ja iseseisvalt oma saatust määrata ja juhtida võid : Eesti riikluse alusdokumendid 1917-1920 / Rahvusarhiiv ; [koostanud Ago Pajur]. Tartu : Eesti Ajalooarhiiv, 2008

Daphne du Maurier' unustatud jutud / Udo Uibo

Index Scriptorium Estoniae

Uibo, Udo, 1956-

2011-01-01

Ajalehe "The Independent" teatel kavatseb kirjastus "Virago" maikuus avaldada Daphne Du Maurier lühiproosa kogumiku "Nukk" (The Doll), mille on koostanud tema loomingu suur austaja Ann Willmore ja mis sisaldab 13 unustatud ja seni avaldamata novelli

Evelin Ilves asus Šveitsi suurfirma ausaadikuks. Meeleheaks 52 000 krooni maksev kell / Katrin Rohtla

Index Scriptorium Estoniae

Rohtla, Katrin, 1966-

2008-01-01

17. mail 2008 oli Estonia teatris "Tristani ja Isolde" esietendus, kus proua Evelin Ilves nimetati Šveitsi luksuskellade meistri Raymond Weili ausaadikuks. Tiitliga kaasnes kingitusena teemantidega käekell. Kommenteerivad Aktsiaseltsi Balti Kell juhataja Toivo Aalja ja proua E. Ilvese erasekretär Piia Vann. Vt. samas: Kadri Simson: ausaadik on peen nimetus reklaamnäole. Riigikogu korruptsioonivastase seaduse kohaldamise erikomisjoni liikme Kadri Simsoni kommentaar. Vt. ka juhtkiri lk. 8: Reklaampost. SL Õhtulehe arvates on sobimatu, et presidendiproua seotakse ühe äriettevõtte huvidega

Qualification method for a 1 MGy-tolerant front-end chip designed in 65 nm CMOS for the read-out of remotely operated sensors and actuators during maintenance in ITER

Energy Technology Data Exchange (ETDEWEB)

Verbeeck, Jens, E-mail: jens.verbeeck@esat.kuleuven.be [KU Leuven (KUL), Div. LRD-MAGyICS, Kasteelpark Arenberg 10, 3001 Heverlee (Belgium); Cao, Ying [KU Leuven (KUL), Div. LRD-MAGyICS, Kasteelpark Arenberg 10, 3001 Heverlee (Belgium); Van Uffelen, Marco; Casellas, Laura Mont; Damiani, Carlo; Morales, Emilio Ruiz; Santana, Roberto Ranz [Fusion for Energy (F4E), c/Josep, no. 2, Torres Diagonal Litoral, Ed. B3, 08019 Barcelona (Spain); Meek, Richard; Haist, Bernhard [Oxford Technologies Ltd. (OTL), 7 Nuffield Way, Abingdon OX14 1RL (United Kingdom); Hamilton, David [ITER Organisation (IO), Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul les Durance Cedex (France); Steyaert, Michiel [KU Leuven, ESAT-MICAS, Kasteelpark Arenberg 10, 3001 Heverlee (Belgium); Leroux, Paul [KU Leuven, ESAT-MICAS, Kasteelpark Arenberg 10, 3001 Heverlee (Belgium); KU Leuven, ESAT, Advanced Integrated Sensing Lab (AdvISe), Kleinhoefstraat 4, 2440 Geel (Belgium)

2015-10-15

This paper describes the radiation qualification procedure for a 1 MGy-tolerant Application Specific Integrated Circuit (ASIC) developed in 65 nm CMOS technology. The chip is intended for the read-out of electrical signals of sensors and actuators during maintenance in ITER. First the general working principle of the ASIC is shown. The developed IC allows to read-out, condition and digitize multiple low bandwidth (<10 kHz) sensors. In addition the IC is able to multiplex the digitized sensor signals. To comply with ITER-relevant constraints an adapted radiation qualification procedure has been proposed. The radiation-qualification procedure describes the test criteria and test conditions of the developed ASICs, which are also compared with COTS alternatives, to meet the stringent qualification procedures for electronics exposed to radiation in ITER.

Eesti etümoloogia sõnaraamat / Gábor Zaicz

Index Scriptorium Estoniae

Zaicz, Gábor

2013-01-01

Arvustus: Metsmägi, Iris, Sedrik, Meeli, Soosaar, Sven-Erik. Eesti etümoloogia sõnaraamat. Peatoimetaja Iris Metsmägi. Koostanud ja toimetanud Iris Metsmägi, Meeli Sedrik, Sven-Erik Soosaar. Eesti Keele Sihtasutus. Tallinn, 2012

Kuni 26. XI on Viljandi Linnagaleriis...

Index Scriptorium Estoniae

2005-01-01

Eesti Klaasikunstnike Ühenduse aastanäitus "Katkised asjad". Osalevad 22 eesti kunstnikku (loetletud), Mika Kato Jaapanist, Robert Tannahill Kanadast, Marta Gibiete, Barbala Gulbe ja Inita Emane Lätist. Näituse on koostanud Kati Kerstna ja Maret Sarapu

Täna kell 19.30 avatakse reisisadama endises politseimajas...

Index Scriptorium Estoniae

2005-01-01

Ranna-ala arenguvõimalusi tutvustav näitus "Tagasi mere juurde. Mereõhk teeb vabaks", linnadevahelise projekti "Grands Travaux" osa. Väljapaneku on koostanud Tallinna linnavalitsusse ja AS Tallinna Sadam tellimusel disainibüroo ZiZi & YoYo

From nGy to MGy - new TL dosimetry of complex radiation at high-energy accelerators and thermonuclear fusion facilities

International Nuclear Information System (INIS)

Obryk, B.; Bilski, P.; Budzanowski, M.; Olko, P.

2011-01-01

One of the well known advantages of thermoluminescence (TL) detectors made of lithium fluoride doped with magnesium, copper and phosphorus (LiF:Mg,Cu,P) is their very high sensitivity to ionizing radiation. LiF:Mg,Cu,P detectors enable measurements of radiation doses from tens of nano grays up to a few kilo grays, when the total saturation of the signal of the so-called main dosimetric peak (at about 220 C. degrees) occurs. In 2006 for the first time we observed unprecedented high-temperature emission of LiF detectors heated to temperatures up to 600 C. degrees, after exposures to radiation doses ranging from 1 kGy to 1 MGy. For quantification of the glow curve shape changes of LiF:Mg,Cu,P detectors in this range of doses and determination of the absorbed dose, the high temperature coefficient (UHTR) was defined. This newly established dosimetric method was tested in a range of radiation qualities, such as gamma radiation, electron and proton beams, thermal neutron fields and in high-energy mixed fields around the SPS and PS accelerators at CERN. A number of dosimetric sets with LiF:Mg,Cu,P detectors are currently installed around the LHC at CERN. The new method for ultra-high dose range monitoring with a single LiF:Mg,Cu,P detector, which is capable of covering at least twelve orders of magnitude of doses, can be used for dosimetry at high energy accelerators and has great potential for accident dosimetry in particular. (authors)

Fonoloogiast piiblitõlkeni. Mati Hindi juubelikogumik / Reili Argus

Index Scriptorium Estoniae

Argus, Reili, 1967-

2012-01-01

Tutvustus: Pühendusteos emeriitprofessor Mati Hindi 75. sünnipäevaks / koostanud ja toimetanud Reili Argus, Annika Hussar ja Tiina Rüütmaa. Tallinn : Tallinna Ülikool, 2012. (Tallinna Ülikooli eesti keele ja kultuuri instituudi toimetised ; 14)

Eesti disaini uudised / Kai Lobjakas

Index Scriptorium Estoniae

Lobjakas, Kai, 1975-

2006-01-01

Eesti Kunstiakadeemia üliõpilaste Kadri Kruus-Laurimaa kott-jope, Riho Tiiveli lusikas "Spoon container" ja Ülle Jehe sisustuspadjad "Roll it!" valiti Prantsusmaal toimunud rahvusvahelisel kunsti-ja disainikõrgkoolide võrgustiku CUMULUS konkursil "European Ways of Life" nominentide hulka. EKA sisearhitektuuri eriala üliõpilaste toolide hindamisest. Mari Adamsoni nimelise noore tekstiilikunstniku preemia pälvis Kadri Klampe. Eesti Ajaloomuuseumis Maarjamäe lossis avatud moenäitusest "Paula, sul on poisipea!", mille koostas Helle Avila, konsulteeris Anu Ojavee, kujundasid Krista Lepland ja Malle Jürgenson büroost Laika, Belka ja Strelka

Meel kannab mesipuu poole / Lauri Pilter

Index Scriptorium Estoniae

Pilter, Lauri, 1971-

2007-01-01

Arvustus: Liiv, Juhan. Meel paremat ei kannata : valik luulet eesti ja inglise keeles = The Mind Would Bear No Better : A Selection of Poetry in Estonian and English / tõlkinud ja koostanud Jüri Talvet. Tartu : Tartu Ülikooli Kirjastus, 2007

Aasta rosina sai "Kui Arno isaga koolimajja jõudis..."

Index Scriptorium Estoniae

2008-01-01

Eesti Lastekirjanduse Keskus andis 2007. a. Rosina auhinna Oskar Lutsu "Kevade" kommenteeritud kooliväljaandele: "Kui Arno isaga koolimajja jõudis... " / [Oskar Lutsu "Kevade" 14. trüki põhjal koostanud Aili Kalavus, Mare Müürsepp]. Tallinn : Ilo, 2007

Noor-Eesti ja Murelaps / Aarne Ruben

Index Scriptorium Estoniae

Ruben, Aarne, 1971-

2006-01-01

Arvustus: Noor-Eesti 100 : kriitilisi ja võrdlevaid tagasivaateid = Young Estonia 100 : critical and comparative retrospectives : [artiklikogumik Tallinna Ülikoolis 9. mail 2005 peetud rahvusvahelise seminari "Noor-Eesti 100" ettekannete põhjal] / koostanud ja toimetanud Elo Lindsalu. Tallinn : Tallinna Ülikooli kirjastus, 2006

Tammsaare-aastat ilmestavad ka raamatud / Marika Rajamäe

Index Scriptorium Estoniae

Rajamäe, Marika, 1952-

2008-01-01

Tammsaare muuseumis esitleti kahte raamatut: Tammsaare, Anton Hansen. Siin mägi, seal mägi... Anton Hansen Tammsaare oma koduloodusest : fotoalbum (koostanud Ann Marvet. Tallinn : Huma, 2008) ja Liivak, Age-Li. Tammsaare kirjanduspreemia laureaadid Hugo Hiibuse sulega. (Türi : Saarakiri, 2008)

[Lind tulemäe kohal : valik XX sajandi teise poole türgi luulet] / Helen Geršman

Index Scriptorium Estoniae

Geršman, Helen, 1981-

2010-01-01

Tutvustus: Lind tulemäe kohal : valik XX sajandi teise poole türgi luulet / türgi keelest tõlkinud Ly Seppel ja Andres Ehin ; koostanud Ly Seppel ; järelsõna: Andres Ehin. Tallinn : Kultuurileht, 2010. (Loomingu Raamatukogu, 1406-0515 ; 2010, 11)

Dublinlasi võlub müüt kuldkala lühikesest mälust / Liz Gill ; interv. Margit Tõnson

Index Scriptorium Estoniae

Gill, Liz

2004-01-01

Iiri filmiprogrammis "Green Screen", mille on koostanud Iiri Filmiinstituut ja Iiri Filminõukogu Euroopa Liitu astuvate riikide jaoks, võib kinos "Sõprus" näha kaheksat uuemat filmi. Mängufilmi "Kuldkala mälu" on ka ise kohal ja räägib oma filmist

Oluline teatmeteos, mis võinuks olla veelgi parem / Mait Talts

Index Scriptorium Estoniae

Talts, Mait, 1964-

2010-01-01

Arvustus: Eesti perioodika 1941-1944 = Estnische Periodika 1941-1944 = Periodicals in Estonia 1941-1944 = Эстонская периодика 1941-1944 / Eesti Rahvusraamatukogu ; koostanud Külli Kaunissaar. Tallinn, 2009. (Eesti retrospektiivne rahvusbibliograafia)

Kirevad killud meilt ja mujalt / koostanud Anto Juske

Index Scriptorium Estoniae

2010-01-01

Sajaani-Sušenskoje HEJ-s 2009. a augustis aset leidnud avarii tagajärjeks oli Venemaa viimaste aastate ulatuslikem tööõnnetus. Hukkus 75 inimest. Jangtse jõele on rajatud üks maailma suurimatest paisudest Kolme Kuristiku pais

Neli vaadet tuumale ja näivusele / Märt Väljataga

Index Scriptorium Estoniae

Väljataga, Märt, 1965-

2009-01-01

Arvustus: Tuglas, Friedebert. Valik proosat / koostanud ja saatetekstid kirjutanud Jaan Undusk. Tallinn : Avita, 2009 ; Nietzsche, Friedrich. Tragöödia sünd. Tallinn : Tänapäev, 2009 ; Kesküla, Kalev. Elu sumedusest. Tallinn : Tuum, 2009 ; Sirkel, Mati. Uued orva-aastad. Kommentaarium. Tallinn : Tuum, 2009

Eesti funktsionalismi näitus Jyväskyläs / Karin Hallas-Murula

Index Scriptorium Estoniae

Hallas-Murula, Karin, 1957-

2002-01-01

6. VIII-15. IX Alvar Aalto muuseumis Eesti Arhitekuurimuuseumi näitus "Funktsionalism Eestis". Eksponeeritakse 1930. aastate originaalprojekte, digitaliseeritud ajaloolisi fotosid ning makette. Näituse ja kataloogi on koostanud Karin Hallas-Murula, näituse kujundanud Peeter Mauer, kataloogi kujundanud Jaanus Tamme ja Jaak Peep (Tank)

Maailma suurimad puidust kuppelehitised

Index Scriptorium Estoniae

2007-01-01

Inglismaal on Wood for good (Puuinfo) käivitanud kampaania "Wood for gold" puidu laialdaseks kasutamiseks 2012. a. olümpiaobjektide ehitamisel, koos Timber Research and Development Association'iga on nad koostanud ülevaate puidust spordiehitistest maailmas, mis sisaldab tabelit suurimatest puidust kuppelehitistest maailmas (toodud teksti juures)

Gorod polutshil lish polovinu deneg na stroitelstvo dorog / Urmas Tooming

Index Scriptorium Estoniae

Tooming, Urmas

2008-01-01

Tallinna teedeehituse rahastamisest. Ülemiste liiklussõlme, Põhjaväila ning Nõmme raudteeülesõidu ehitamiseks saadi Euroopa Liidu fondidest ainult pool vajalikust rahast, uute tranmmiliinide rajamise projekt jäi finantseerimata. Kommenteerivad Denis Boroditsh ja Põhjaväila projekti koostanud Sweco Projekti juht Ants Jakobson

Hävitajad või rahvakaitsjad? / Vello Helk

Index Scriptorium Estoniae

Helk, Vello, 1923-2014

2007-01-01

Rets. rmt.: Hävitajad. Nõukogude hävituspataljonid Eestis 1944-1954. Dokumentide kogumik. Koostanud Tiit Noormets ja Valdur Ohmann (Ad Fontes 15). Tallinn : Riigiarhiiv, 2006 ; Pearu Kuusk. Nõukogude võimu lahingud Eesti vastupanuliikumisega. Banditismivastase Võitluse Osakond aastail 1944-1947. Tartu : Tartu Ülikool. Eesti ajaloo õppetool, 2007

Mis oli kindrali sõnum liitlastele? / Sven Mikser

Index Scriptorium Estoniae

Mikser, Sven, 1973-

2007-01-01

Iraagi operatsiooni kohta ettekande koostanud USA kindral Petraeus ja USA Iraagi-suursaadik Crocker ei joonistanud lahti loodetud kursimuutust USA Iraagi-poliitikas, pigem kinnitasid vajadust valitud kursil jätkata. Kolmest küsimusest, millele Eesti ministrid peaksid vastama, enne kui otsustavad, kas tulla Riigikokku ettepanekuga pikendada missiooni Iraagis

Mõtisklusi noorima luule üle / Aivo Lõhmus

Index Scriptorium Estoniae

Lõhmus, Aivo, 1950-2005

2002-01-01

Varem ilmunud: Keel ja Kirjandus, 1977, nr. 8, lk. 456-461. Kogumikust : Viis tüdrukut ja kaheksa poissi : valik "Noorte kirjandussündmusest '76" / koostanud V. Luik, J. Jõerüüt, M. Unt. Tallinn : Perioodika, 1977, (Loomingu raamatukogu) ja ajakirjas "Noorus" 1973-1976 ilmunud noorte luuletajate esmapublikatsioonidest

Uued raamatud

Index Scriptorium Estoniae

2007-01-01

Calin Dani raamatust "Emotional architecture 2" (Hand Milked Visions Faundation, 2006), mis on mõeldud saatjaks C. Dani filmile "Trip" (2005) Raine Karbi Tallinna Linnahallist. Erika Nõva raamatust "Erika Nõva : minu töö ja elu" (Tallinn : Eesti Arhitektuurimuuseum, 2006), mille on koostanud Anne Lass, kujundanud Irina Tammis

Rohelise maa uus film vallutab Euroopat / Margit Tõnson

Index Scriptorium Estoniae

Tõnson, Margit, 1978-

2004-01-01

Iiri filmiprogrammis "Green Screen", mille on koostanud Iiri Filmiinstituut ja Iiri Filminõukogu Euroopa Liitu astuvate riikide jaoks, võib kinos "Sõprus" näha kaheksat uuemat filmi. Tutvustavalt kolmest mängufilmist : Kirsten Sheridani "Diskopõrsad", Liz Gilli "Kuldkala mälu" ja Aisling Walshi "St Jude'i vangid"

Oo, mälestuste mesi! / Vaapo Vaher

Index Scriptorium Estoniae

Vaher, Vaapo, 1945-

2003-01-01

Arvustus: Bulgakov, Mihhail ; Bulgakova, Jelena. Meistri ja Margarita päevik / vene keelest tõlkinud Jüri Ojamaa ; [koostanud, eessõna ja kommentaarid: Viktor Lossev. Tallinn] : Tänapäev, 2003. Vaata ka: "Infopress" 5.-11. 12. 2003, lk. 138-139, pealkirjaga "O, sladki mjod vospominani" / tõlk. L. Simaginoi

Lavater ja Goethe / Linnar Priimägi

Index Scriptorium Estoniae

Priimägi, Linnar, 1954-

2016-01-01

Arvustus: Lavateri näoraamat : valgustusajastu pilk inimesele ja kunstile : toetudes Johann Caspar Lavateri menuteosele "Füsiognoomilisi fragmente inimesetundmise ja ligimesearmastuse edendamiseks" (1775-1778) / koostanud, kommenteerinud ja toimetanud Anu Allikvee ja Tiina-Mall Kreem ; fragmentide tõlge: Katrin Kaugver. Tallinn : Eesti Kunstimuuseum, Mikkeli Muuseum ; Tallinna Ülikool, Akadeemiline Raamatukogu. 2015

Tumedanahaline Eesti kodanik politsei silmis kahtlane element / Eve Heinla

Index Scriptorium Estoniae

Heinla, Eve, 1966-

2005-01-01

Politsei ei lubanud Briti peaministri visiidi ajal tumedanahalist pakistanlasest Eesti kodanikku Tahir Husseini Raekoja platsile. Vt. samas: Kadri Paas. Suurbritannia peaministrit sõidutas Tallinnas soomlane

Impact location of objects hitting the water surface

Science.gov (United States)

Kadri, Usama

2017-04-01

Analysis of data, recorded on March 8th 2014 at the Comprehensive Test ban Treaty Organisation's hydroacoustic station off Cape Leeuwin Western Australia, reveal pressure signatures of objects impacting at the sea surface which could be associated with falling meteorites as well as the missing Malaysian MH370 airplane. The location of the sources are identified analytically by an inverse solution based on acoustic-gravity wave theory (e.g. see references below) which have been developed and validated experimentally. Apart from the direct contribution to the search efforts after the missing airplane, the method we describe here is very efficient for identifying the location of sources that result in a sudden change in the water pressure in general. References 1. T.Yamamoto,1982.Gravity waves and acoustic waves generated by submarine earthquakes, Soil Dyn. Earthquake Eng., 1, 75-82. 2. M. Stiassnie, 2010. Tsunamis and acoustic-gravity waves from underwater earthquakes, J. Eng. Math., 67, 23-32, doi:10.1007/s10665-009-9323-x. 3. U. Kadri and M. Staissnie, 2012. Acoustic-gravity waves interacting with the shelf break. J. Geophys. Res., 117, C03035, doi: 10.1029/2011JC007674. 4. E. Eyov, A. Klar, U. Kadri and M. Stiassnie, 2013. Progressive waves in a compressible ocean with elastic bottom, Wave Motion 50, 929-939. doi: 10.1016/j.wavemoti.2013.03.003 5. G. Hendin and M. Stiassnie, 2013. Tsunami and acoustic-gravity waves in water of constant depth, Phys. Fluids 25, 086103, doi: 10.1063/1.481799. 6. U. Kadri, 2016. Acoustic-gravity waves from an oscillating ice-block in arctic zones. Advances in Acoustics and Vibration, 8076108, http://dx.doi.org/10.1155/2016/8076108 7. T.C.A. Oliveira, U. Kadri, 2016. Acoustic-gravity waves from the 2004 Indian Ocean earthquake and tsunami. Journal of Geophysical Research: Oceans. doi: 10.1002/2016JC011742

Avalikud ettevalmistused... iseseisvaks eluks? / Maria-Kristiina Soomre

Index Scriptorium Estoniae

Soomre, Maria-Kristiina, 1978-

2008-01-01

2007. a. Tallinnas ilmunud artiklikogumikust "Public preparation" (koostanud Rael Artel ja Airi Triisberg, kujundanud Jaan Evart). Tallinnas Okupatsioonide Muuseumis 21.-23. II toimunud rahvusvahelisest seminarist "Translocal express. Jubilee edition" (korraldajad R. Artel ja A. Triisberg). Loetletud 12 esinejat, Eestist Flo Kasearu, Maria-Kristiina Soomre. Charles Esche, Sezgin Boyniki ja Minna Henrikssoni ettekannetest

Sead, joodikud ja muidu tõprad rohelisel ekraanil / Mart Rummo

Index Scriptorium Estoniae

Rummo, Mart

2004-01-01

Iiri filmiprogrammis "Green Screen", mille on koostanud Iiri Filmiinstituut ja Iiri Filminõukogu Euroopa Liitu astuvate riikide jaoks, võib kinos "Sõprus" näha kaheksat uuemat filmi. Tutvustavalt kahest mängufilmist : Kirsten Sheridani "Diskopõrsad" ja Aisling Walshi "St Jude'i vangid" ning Sarah Share'i portreefilmist "Shane MacGowani lugu"

Raamat / Matis Rodin

Index Scriptorium Estoniae

Rodin, Matis

2012-01-01

Tutvustus: Kalm, Mart. Rannalinn, seenrõdu ja viinakapp : Pärnu linnaarhitekt Olev Siinmaa. Eesti Arhitektuurimuuseum : Eesti Kunstiakadeemia, 2012; Olander, Aare. Kadunud vaated : Tallinna muutumine enam kui 400 fotol. Tänapäev, 2012; Mälestiste restaureerimine : enne ja pärast 2005-2011 / koostanud Britta Lainevool ja Ülo Puustak. Muinsuskaitseamet, 2011

Pismo na kamne eto uzhe ne kamennõi vek / Ilja Sundelevitsh

Index Scriptorium Estoniae

Sundelevitsh, Ilja

2003-01-01

Jaak Visnapi ja Kadri Alesmaa litograafianäitusest "Stonerollers" Tallinna Linnagaleriis, ka litograafia-tehnikast. Briti Nõukogu korraldatud briti eliitdisaini näitusest "POSH" Tallinna Kunstihoone galeriis

Kellele kuulub keel? / Maarja Siiner

Index Scriptorium Estoniae

Siiner, Maarja

2012-01-01

Arvustus: Kadri Koreinik. Language ideologies in the contemporary Estonian public: with a focus on South Estonian. Tartu : Tartu University Press, 2011.(Dissertationes sociologicae Universitatis Tartuensis ; 5)

Omaniku näoga Merirahu galeriimaja / Risto Kozer

Index Scriptorium Estoniae

Kozer, Risto

2012-01-01

Arhitekt Toivo Tammiku (AD Ansambel) projekteeritud eramust Merirahus. Kaasautor Kadri Randoja (AD Ansambel). Sisearhitektid Aet Grigorjev ja Aet Piel. Projekt: 2005, valmis: 2011/2012. Toivo Tammiku kommentaar

78 FR 25446 - Notice of Intent To Prepare a Supplemental Environmental Impact Statement for the San Ysidro Land...

Science.gov (United States)

2013-05-01

... Jear, Director, Portfolio Management Division, Pacific Rim Region, Public Buildings Service. [FR Doc.... Kadri, NEPA Project Manager, General Services Administration, Pacific Rim Region, at (415) 522-3617...

Noorte teatritrupp pääses festivalile / Kristiina Vaarik

Index Scriptorium Estoniae

Vaarik, Kristiina

2007-01-01

Kooliteatrite festivali žürii valis Viljandis teatritrupi Children of Aunt Rabbit ja Kadri Noormetsa kirjutatud "Antropofoobia" esinema Tartusse teatrifestivalile "Draama", mis toimub 1.-8. septembrini 2007

Optimization of Monocrystalline MgxCd1-xTe/MgyCd1-yTe Double-Heterostructure Solar Cells

Science.gov (United States)

Becker, Jacob J.

Polycrystalline CdS/CdTe solar cells continue to dominate the thin-film photovoltaics industry with an achieved record efficiency of over 22% demonstrated by First Solar, yet monocrystalline CdTe devices have received considerably less attention over the years. Monocrystalline CdTe double-heterostructure solar cells show great promise with respect to addressing the problem of low Voc with the passing of the 1 V benchmark. Rapid progress has been made in driving the efficiency in these devices ever closer to the record presently held by polycrystalline thin-films. This achievement is primarily due to the utilization of a remote p-n heterojunction in which the heavily doped contact materials, which are so problematic in terms of increasing non-radiative recombination inside the absorber, are moved outside of the CdTe double heterostructure with two MgyCd1-yTe barrier layers to provide confinement and passivation at the CdTe surfaces. Using this design, the pursuit and demonstration of efficiencies beyond 20% in CdTe solar cells is reported through the study and optimization of the structure barriers, contacts layers, and optical design. Further development of a wider bandgap MgxCd1-xTe solar cell based on the same design is included with the intention of applying this knowledge to the development of a tandem solar cell constructed on a silicon subcell. The exploration of different hole-contact materials--ZnTe, CuZnS, and a-Si:H--and their optimization is presented throughout the work. Devices utilizing a-Si:H hole contacts exhibit open-circuit voltages of up to 1.11 V, a maximum total-area efficiency of 18.5% measured under AM1.5G, and an active-area efficiency of 20.3% for CdTe absorber based devices. The achievement of voltages beyond 1.1V while still maintaining relatively high fill factors with no rollover, either before or after open-circuit, is a promising indicator that this approach can result in devices surpassing the 22% record set by polycrystalline

Kolmanda raamatu kiituseks / Peeter Olesk

Index Scriptorium Estoniae

Olesk, Peeter, 1953-

2009-01-01

Tutvustus: Isaacson, Walter. Einstein : tema elu ja universum / tõlkinud Matti Piirimaa. Tallinn : Eesti Raamat, 2009; Fortey, Jacqueline. Kuulsad teadlased (Silmaring) / tõlkinud Ülle Haav ja Helen Haav. Tallinn : Koolibri, 2009; Vaim ja aeg (Lehed ja tähed : looduse ja teaduse aastaraamat, 5) / koostanud Indrek Rohtmets ja Toomas Kukk. Tallinn : Loodusajakiri, 2009

Brotze väljaande filoloogilisi probleeme / Mati Hint

Index Scriptorium Estoniae

Hint, Mati

2007-01-01

Rets. rmt. : Johann Christoph Brotze. Estonica. Koostanud / Herausgegeben von Ants Hein, Ivar Leimus, Raimo Pullat, Ants Viires. Projektijuht ja vastutav toimetaja : Raimo Pullat. tõlge eesti keelde: Tõnis Liibek, Ivar Leimus, tõlge saksa keelde: Aigi Heero, Ene Rõngelep. Kujundus: Andres Tali. Tallinn : Estopol OÜ, 2006. XXXVI, 619 lk. Teoses esinevaid keele- ja kohanimeprobleeme

Yli 100 syytä mennä Viroon / Terhi Pääskylä-Malmström

Index Scriptorium Estoniae

Pääskylä-Malmström, Terhi, 1979-

2015-01-01

Tutvustus: Did you know that there are over 100 exciting, quirky, unique and important reasons to visit Estonia! = Tiesitkö että on yli 100 jännittävää, outoa, ainutlaatuista ja tärkeää syytä tulla Viroon? / koostanud Jussi-Pekka Aukia, Peep Ehasalu. Tallinn : AS Sokotel, 2015

Mis võiks olla ühist Johan Laidoneril ja Ingmar Bergmanil / Tiiu Laks

Index Scriptorium Estoniae

Laks, Tiiu, 1984-

2008-01-01

Laretei, Käbi. Kuhu kadus kõik see armastus? : Ingmari kirjad Käbile / tõlge rootsi keelest Anu Saluäär. Tallinn : SE&JS, 2008 ; Laidoner, Johan. Ühtekuuluvuse teel : Johan Laidoneri kirjad abikaasale / koostanud [ja toimetanud] Irene Lään ja Toomas Hiio ; vene keelest tõlkinud Jüri Ojamaa. Tallinn : Varrak, 2008

Vanemuise suure maja fuajees...

Index Scriptorium Estoniae

2005-01-01

6. IX avati näitleja ja lavastaja Evald Hermaküla mälestuseks fotonäitus, mille on koostanud ja kujundanud Tio Tepandi. Näitus hõlmab E. Hermaküla kümmet noorusaastat 1960-ndate lõpust ja 1970-ndate algusest. Mais oli näitus üleval Tallinnas Eesti Draamateatris

Design-A-Bag Competition 2012

Index Scriptorium Estoniae

2012-01-01

Eesti Kunstiakadeemia nahakunsti osakonna tudengid Kadri Paloveer, Inga Radikainen ja Mari Maripuu pälvisid Hong-Kongis korraldataval "DESIGN-A-BAG 2012" konkursil tihedas rahvusvahelises konkurentsis mitmeid preemiaid

Inimeselt inimesele? Endalt iseendale. "In Graafika" / Mari Sobolev

Index Scriptorium Estoniae

Sobolev, Mari, 1968-

2003-01-01

7. graafikafestival "IN Graafika". Näitused Pärnu kontserdimajas, Imatra kõrgema kunstikooli väljapanek Academia Gratas, Eesti Litograafiakeskusest (eestvedajad Kadri Alesmaa, Jaak Visnap), kus oli workshop

Andekas naine naasis Eestisse / Toivo Tänavsuu

Index Scriptorium Estoniae

Tänavsuu, Toivo

2010-01-01

Doktorikraadiga Kadri Vunder Fontanast, kes on asutanud ja saneerinud ärisid Šveitsis, juhtinud Swedbanki privaatpangandust. Tema asutatud Eesti riskikapitalifirmast LSVenture, K. V. Fontana eesmärkidest Eestis

Pildimängude dünaamika : Tommy & Laurentsius Matti Miliuse kunstikogust / Mariann Raisma

Index Scriptorium Estoniae

Raisma, Mariann, 1974-

1998-01-01

Retrospektiivnäitus Tartu Kunstimajas. Kunstnikud jätkavad ka praegu nn. kunstnike tandemi traditsiooni, Laurentsius ehk Lauri Sillak Anna-Daniela Saalistega, Tommy ehk Toomas Tõnissoo Kadri Kangilaskiga.

Estonia - üks tõeline eestimaine spaa / Dagmar Reinolt

Index Scriptorium Estoniae

Reinolt, Dagmar

2015-01-01

Heaoluspaa võtmes renoveeritud Estonia Spa Hotelsi ühest kompleksist. Rekonstrueerimisprojekti arhitektid: Raivo Kotov, Indrek Mikk. Rekonstrueerimisprojekti sisearhitektid: Raili Paling, Liis Lindvere, Kadri Kaldam, Kärt Loopalu. Valmimisaasta: 2015

Neitsitorni suudab äratada ainult valitsus / Mari Kodres

Index Scriptorium Estoniae

Kodres, Mari

2009-01-01

Taani soovib Tallinna linnamüüri Neitsitorni rentida Taani Kultuuri Instituudile ning oleks valmis Neitsitorni ja Taani Kuninga aia renoveerimiseks raha eraldama. Taani arhitekt Erik Nobel on koostanud eelprojekti, kuid Neitsitorn on seisnud tühjalt kolm aastat ning laguneb ja hallitab. Kinnistut taotleb endale USA-s elav Uno Werner. Neitsitorni lähiajaloost, seotusest loomeisikutega

Helsingis avatakse suur Eesti maalinäitus

Index Scriptorium Estoniae

2010-01-01

Eesti maalikunsti ülevaatenäitus "Viron värit - 150 vuotta virolaista maalaustaideta Enn Kunilan kokoelamasta" ("Eesti värvid - 150 aastat eesti maalikunsti Enn Kunila kogust") Helsingi kunstihoones (Helsingin Taidehalli) 16. oktoobrist 24. novembrini 2010. Näituse kuraator Harry Liivrand, kujundaja Olev Subbi. Väljapanekut saatva raamatu on koostanud Eero Epner, kujundanud Tiit Jürna

6.-15. X on EKA galeriis...

Index Scriptorium Estoniae

2003-01-01

Keraamika eriala magistrantide näitus "Argilla neljale". Eksponeeritakse Reeli Haameri, Kadri Kivi, Annika Vilippuse ja Matthew Graziano magistriõppe meistriklassi raames valminud töid koos tehnikaid tutvustavate tekstidega

Tagahoovi elluäratamine : TTÜ Kuressaare kolledži väikelaevaehituse kompetentsikeskus = Awakening a backyard to new life : The ship model testing basin for the Tallinn University of Technology`s Small Craft Competence Centre in Kuressaare / Hanne

Index Scriptorium Estoniae

Koppel, Hannes

2014-01-01

TTÜ Kuressaare kolledži väikelaevaehituse kompetentsikeskuse katsebasseinihoone arhitektuurist. Arhitektid: Aet Ader, Mari Hunt, Kadri Klementi, Kalle Komissarov, Lembit-Laur Stöör. Projekt: 2011-2014. Valmis: 2014

Killustatud toetusvõimalused panevad ettevõtja eri asutuste vahet jooksma / Merike Lees

Index Scriptorium Estoniae

Lees, Merike, 1976-

2004-01-01

Ettevõtluse Arendamise Sihtasutus, Põllumajanduse Registrite ja Informatsiooni Amet, konsultatsioonifirma BDA Estonia ning maakondlikud arenduskeskused jagavad toetusvõimaluste kohta erinevat informatsiooni. Kommenteerivad Kadri Ugand, Piret Arusaar, Heli Raamets ja Tiina Tarma

[Aire Veskimäe (toim.). Rahvarinne 1988 : (kakskümmend aastat hiljem)] / Heikki Rausmaa

Index Scriptorium Estoniae

Rausmaa, Heikki

2009-01-01

Tutvustus: Rahvarinne 1988 : (kakskümmend aastat hiljem) / Edgar Savisaar, Rein Ruutsoo, Kadri Simson ... [jt. ; toimetaja Aire Veskimäe ; eessõna: Raimond Kaljulaid ; kujundus: Sergei Didyk]. Tallinn : Tallinna Linnavalitsus, 2008

Helen Sirp - talent kodus ja võõrsil / Auri Jürna

Index Scriptorium Estoniae

Jürna, Auri, 1984-

2013-01-01

Eesti väljapanek "Ministry of Creative Affairs" Londoni moenädalal International Fashion Showcase. Väljapaneku autoriteks Helen Sirp, Kadri Kruus, Kristina Viirpalu, Kristian Steinberg, Karl Annus. Pikemalt Helen Sirbist

PR-etenduse osatäitjad / Kadri Bank, Kadri Jakobson

Index Scriptorium Estoniae

Bank, Kadri

2011-01-01

Käsimüügiravimite vabaturule lubamise temaatika on ravimitootjate ja apteegikettide omanike vahel käivitanud PR-sõja. Ravimitootjate Liidu PR-kampaania avaürituseks oli käsimüügiravimite vabamüüki lubamise uuringu esitlus

Täidetud aeg / Urmas Petti

Index Scriptorium Estoniae

Petti, Urmas, 1965-2016

2013-01-01

Usust, lootusest ja armastusest lihavõttepühadele eelneval Suurel nädalal; autor kommenteerib ka Kadri Tüüri, Haruki Murakami (romaanist "Kafka mererannas") ja Rein Raua (romaanist "Vend") mõtteid

Nüüdistantsust Eestis: kehaliste dimensioonide avardumisest ja žanriköidikute survest vabanemisest / Evelin Lagle

Index Scriptorium Estoniae

Lagle, Evelin, 1986-

2015-01-01

Nüüdistantsu seisundilisusest, kontseptuaalsusest, koreograafiapõhisusest ja kehakesksusest Kadri Noormetsa, Karl Saksa, Mart Kangro, Henri Hüti, Külli Roosna, Kenneth Flaki, Rene ja Carmel Kösteri lavastuste näitel

Kõusaare film teenis Cannes'is pika aplausi / Annika Koppel

Index Scriptorium Estoniae

Koppel, Annika

2007-01-01

60-ndast Cannes'i filmifestivalil esilinastus 18. mail Kadri Kõusaare mängufilm "Magnus" võistlusprogrammis "Vaatenurk". Filmist ja selle vastuvõtust Cannes'is. Ka Michael Moore'ist ja tema dokumentaalfilmist "Sicko"

Adult exposures from MDCT including multiphase studies: first Italian nationwide survey

Energy Technology Data Exchange (ETDEWEB)

Palorini, Federica; Origgi, Daniela [Fisica Sanitaria Istituto Europeo di Oncologia, Milan (Italy); Granata, Claudio [UOC di Radiologia Istituto Giannina Gaslini, Genoa (Italy); Matranga, Domenica [Universita degli Studi di Palermo, Dipartimento di Scienze per la Promozione della Salute e Materno-infantile ' ' G. D' Alessandro' ' , Palermo (Italy); Salerno, Sergio [Policlinico Universita di Palermo, Dipartimento di Scienze Radiologiche, Palermo (Italy)

2014-02-15

To evaluate the radiation dose in routine multidetector computed tomography (MDCT) examinations in Italian population. This was a retrospective multicentre study included 5,668 patients from 65 radiology departments who had undergone common CT protocols: head, chest, abdomen, chest-abdomen-pelvis (CAP), spine and cardiac. Data included patient characteristics, CT parameters, volumetric CT dose index (CTDI{sub vol}) and dose length product (DLP) for each CT acquisition phase. Descriptive statistics were calculated, and a multi-regression analysis was used to outline the main factors affecting exposure. The 75th percentiles of CTDI{sub vol} (mGy) and DLP (mGy cm) for whole head were 69 mGy and 1,312 mGy cm, respectively; for chest, 15 mGy and 569 mGy cm; spine, 42 mGy and 888 mGy cm; cardiac, 7 mGy and 131 mGy cm for calcium score, and 61 mGy and 1,208 mGy cm for angiographic CT studies. High variability was present in the DLP of abdomen and CAP protocols, where multiphase examinations dominated (71 % and 73 % respectively): for abdomen, 18 mGy, with 555 and 920 mGy cm in abdomen and abdomen-pelvis acquisitions respectively; for CAP, 17 mGy, with 508, 850 and 1,200 mGy cm in abdomen, abdomen-pelvis and CAP acquisitions respectively. The results of this survey could help in the definition of updated diagnostic reference levels (DRL). (orig.)

Kuldne Palmioks Rumeenia realismile / Jaak Lõhmus

Index Scriptorium Estoniae

Lõhmus, Jaak

2007-01-01

60-nda Cannes'i filmifestivalist, auhinnasaajatest, eelkõige Kuldse Palmioksa saanud Christian Mungiu filmist "Neli kuud, kolm nädalat ja kaks päeva" (Rumeenia), Kadri Kõusaare "Magnuse" osalemisest. Lisatud auhinnasaajate nimekiri

EPL-i ümarlaud : kõige olulisem on vähi varajane avastamine / Ille Grün-Ots

Index Scriptorium Estoniae

Grün-Ots, Ille, 1960-2016

2007-01-01

Ümarlaual osalesid TÜ kliinikumi hematoloogia-onkoloogiakliiniku professor Hele Everaus, ravimifirma Roche Eesti OÜ tegevjuht Kadri Mägi, ravifirma GlaxoSmithKline Eesti filiaali juhataja Akshay Mody ja PERH-i keemiaravispetsialist Helis Pokker

Kunstnike liidu uus kunstigalerii Hop / Juta Kivimäe

Index Scriptorium Estoniae

Kivimäe, Juta, 1952-

2006-01-01

Eesti Kunstiakadeemias Kaido Ole juhendamisel maali õppiva sakslase Benjamin Badocki ja Kadri Mälgu juhendamisel ehtekunsti õppiva austraallanna Teresa Lane'i ühisnäitus "I like reality" Hopi galeriis 21.-30. V

Lasva veetorn-galerii = Lasva water tower-gallery / Veronika Valk

Index Scriptorium Estoniae

Valk, Veronika, 1976-

2010-01-01

Lasva veetorni rekonstrueerimisest klavertrepiga kunstigaleriiks-vaatetorniks. Projekteerija: Zizi & Yoyo. Autorid: arhitekt Veronika Valk, arhitekti abiline Kadri Klementi, kunstnik Peeter Laurits, skulptor Kalle-Priit Pruuden, Kalle Tikas (heli elektroonika). Projekt: 2006-2008, valmis: 2009

Tänavaruumi sõnastik = A glossaryof street space / Henn Runnel

Index Scriptorium Estoniae

Runnel, Henn, 1983-

2012-01-01

Tallinna linnainstallatsioonide festivali "LIFT11" installatsioonist "Tänavaruumi audiotuur", mis tutvustab Roosikrantsi tänava näitel ühte iseloomulikku arhitektuurset ruumi Tallinnas. Autor Kadri Klementi. Väljavõte "Tänavaruumi audiotuurist"

Kodu osa isiklikus ja ühiskondlikus elus

Index Scriptorium Estoniae

2008-01-01

15. II avatakse Eesti Tarbekunsti-ja Disainimuuseumis Eesti Vabariigi 90. aastapäevale pühendatud näitus "Varamu. Esindusruum ja moodne kodu 1918-1940", mille on koostanud Merike Alber, kujundanud Margit Lillak ning graafiliselt kujundanud Denes Farkas. Eksponaadid on pärit riigikogust, presidendi kantseleist, Eesti muuseumidest ning erakogudest. Lõik Hanno Kompuse artiklist ajakirjas "Kaunis Kodu", 1935, nr. 3

Kodu osa isiklikus ja ühiskondlikus elus

Index Scriptorium Estoniae

2008-01-01

15. veebruaril 2008. a. avatakse Eesti Tarbekunsti-ja Disainimuuseumis Eesti Vabariigi 90. aastapäevale pühendatud näitus "Varamu. Esindusruum ja moodne kodu 1918-1940", mille on koostanud Merike Alber, kujundanud Margit Lillak ning graafiliselt kujundanud Denes Farkas. Eksponaadid on pärit riigikogust, presidendi kantseleist, Eesti muuseumidest ning erakogudest. Lõik Hanno Kompuse artiklist ajakirjas "Kaunis Kodu", 1935, nr. 3

Edasi - Juhan Liivi juurde! / Rein Veidemann

Index Scriptorium Estoniae

Veidemann, Rein, 1946-

2008-01-01

Rets. rmt.: Liiv, Juhan. Tuulehoog lõi vetesse / koost. Jüri Talvet. Tallinn : Tänapäev, 2007; Liiv, Juhan. Meel paremat ei kannata : valik luulet eesti ja inglise keeles = The mind would bear no better : a selection of poetry in Estonian and English / koostanud Jüri Talvet; tõlkinud Jüri Talvet & H. L. Hix. Tartu : Tartu Ülikooli Kirjastus, 2007

Kirjanik soovitab / Heiki Vilep

Index Scriptorium Estoniae

Vilep, Heiki, 1960-

2009-01-01

Tutvustus: Pratt, David. Võimatu nõuab rohkem aega : 1000 tarkusetera Nobeli preemia laureaadilt / inglise keelest tõlkinud Marge Paal. [Tallinn] : Ersen, 2009 ; Varblane, Hannes. Taarnateel : katsetusi 1967–1970 : [luuletused]. Tartu : Ilmamaa, 2009 ; Eesti muinasjuttude kuldraamat / koostanud Reet Krusten. Tallinn : TEA Kirjastus, 2009 ; Eco, Umberto. Kuus jalutuskäiku kirjandusmetsades / inglise keelest tõlkinud Ene-Reet Soovik. Tallinn : Varrak, 2009

Kaks kuud Kalev SPA-s / kommenteerinud Julia Kurbat, Natalia Nazarenko-Kiivikas, Margit Lipstuhl

Index Scriptorium Estoniae

2012-01-01

Kahe spordiharrastaja Kaur Sau ja Kadri Sõggeli seatud eesmärkidest 2012. aastal ja kehalisest arengust treenides kaks kuud mõnes Tallinna spordiklubis. Treeningutest Kalev Spa Hotel & Water Park'i nimekandvas spordi- ja vabaajakeskuses

Kuraator ilust ja väest / Roger Pierre Turine ; tõlk. Tamara Luuk, interv. Teet Veispak

Index Scriptorium Estoniae

Turine, Roger Pierre

2003-01-01

Roger Pierre Turine'i kureeritud aafrika kunsti näitus "Ilu ja vägi" Rakvere Kesklinna galeriis kuni 27. IX. Näitusel eksponeeritakse osa Kadri ja Sven Viirese Ghanas, lobide maal tehtud reisifotodest

Hunnitud hütid / Karin Paulus

Index Scriptorium Estoniae

Paulus, Karin, 1975-

2016-01-01

Arhitektuuribüroos KOKO Arhitektid (Raivo Kotov, Andrus Kõresaar, Sten-Mark Mändmaa, Indrek Mikk, Martin Tago, Liis Uustal, Maia Grimitliht, Raili Paling, Kadri Kaldam) kavandatud puidust matkahütid Norras Skåpetis

Ükski minut, mis inimene muusikaga tegeleb, ei ole raisatud / Anu Mõttus

Index Scriptorium Estoniae

Mõttus, Anu

2008-01-01

Püha Miikaeli Poistekoorist ja Kadri Hundist, kes on Vanalinna Hariduskolleegiumi muusikakooli juures tegutsev dirigent. 12.-18. märtsini osales poistekoor festivalil Musica Religiosa Olomouc 2008, kus gregooriuse laulu kategoorias võideti kuldmedal

Kohtuasi peatas Kõusaare "Magnuse" tee ka Riias / Mari Kodres

Index Scriptorium Estoniae

Kodres, Mari

2008-01-01

Kadri Kõusaare debüütfilmi "Magnus" linastamine Läti väärtfilmikinos Cinema Riga lõpetati, kuna kino juhtkond koos filmi levitajaga otsustasid linastamist jätkata alles peale kohtuvaidluse lõppu

As-Deposited (La1-xSrx)(Ga1-y-zMgyCoz)O3-(x+y+z)/2 Crystallized Thin Films Prepared by Pulsed Laser Deposition for Application to Solid Oxide Fuel Cell Electrolyte

Science.gov (United States)

Mitsugi, Fumiaki; Kanazawa, Seiji; Ohkubo, Toshikazu; Nomoto, Yukiharu; Ishihara, Tatsumi; Takita, Yusaku

2004-01-01

Doped lanthanum gallate (La1-xSrx)(Ga1-y-zMgyCoz)O3-(x+y+z)/2 (LSGMCO) perovskite oxide films were deposited on a quartz glass, LaAlO3 single-crystal substrate and porous anode electrode of a solid oxide fuel cell (SOFC) by pulsed laser deposition. It was necessary to increase the substrate temperature up to 800°C for a crystallization of the LSGMCO films. The film deposited on the LaAlO3 single-crystal substrate grew along the c-axis. The as-deposited LSGMCO thick film fabricated on the porous substrate at 800°C and at an oxygen pressure of 20Pa was formed from polycrystal columns and showed a high conductivity of 0.7S/cm at a measurement temperature of 800°C. The activation energies were 0.72 eV at 600-800°C and 1.05 eV at 400-600°C.

Comparison of X-ray radiation exposure during digital subtraction angiography (DSA) and multislice CT angiography (CTA)

International Nuclear Information System (INIS)

Bai, Mei; Liu, Bin; Zheng, Junzheng

2008-01-01

Full text: Purpose: To compare radiation risk during digital subtraction angiography (DSA) and CT angiography (CTA). Materials and methods: Eighty patients randomly divided into two groups of 40 patients each, were evaluated for coronary atherosclerotic heart disease with 64-slice spiral CT angiography and DSA respectively. For CTA group we divided patients into two subgroups: regular mode and ECG modulation mode. Matix of thermoluminescent dosimeters (TLDs) were placed on patients' skin surface during each examination to access peak skin dose (PSD). A male ART phantom was equipped with TLDs in six different positions to assess achievable organ dose. Effective dose was calculated by commercially available computer programs. Results: For DSA, PSD was 64mGy. Phantom organ dose for lung, heart, stomach, liver, kidney and brain were 11.07mGy, 5.87mGy, 1.42mGy, 2.11mGy, 6.76mGy and 0.001mGy respectively, and effective dose was 4mSv. For regular mode CTA, PSD was 74.5mGy, and CTD vol was 37.9mGy. Phantom organ dose for lung, heart, stomach, liver, kidney and brain were 58mGy, 64.2mGy, 6.6mGy, 9.9mGy, 2.7mGy, 0.072mGy respectively, and effective dose was 16mSv. For ECG modulation mode, PSD was 50.9mGy, and CTD vol was 26.3mGy. Conclusion: According to measured PSD value, deterministic radiation risk for regular mode CTA was little higher than DSA. However for stochastic radiation risk which can be indicated by organ dose and effective dose, regular mode CTA was much higher than DSA. Comparing with regular mode, ECG modulation mode can effectively reduce both stochastic and deterministic radiation risk. (author)

Uurimisreisi alkeemia / Anneli Porri

Index Scriptorium Estoniae

Porri, Anneli, 1980-

2002-01-01

Eesti Kunstiakadeemia tudengite soome-ugri uurimisreisidest, mille eesmärk on leida ning jäädvustada erinevate soome-ugri rahvaste rahvakunsti. Projekti algatas professor Kalju Põllu 1978.a., 1994. aastast juhib uurimisreise Kadri Viires.

Eramu Otepääl = Residence, Otepää / Epp Lankots

Index Scriptorium Estoniae

Lankots, Epp, 1976-

2005-01-01

Krunt paikneb kallakul. Kahekorruselisest hoonest viib kaldtee lehtlasse. Arhitektid: Illimar Truverk, Eero Endjärv, Mattias Agabush, kaasa töötas Kadri Tamre. Ill.: 3 värv. välis- ja 2 sisevaadet

Peeter Allik, Urmas Viik jt Londonis

Index Scriptorium Estoniae

2006-01-01

Eesti, Läti ja Leedu graafikute näitus "Power and Man. Three Countries. One Exhibition" galeriis Novas Gallery. Eestist osalevad Peeter Allik, Urmas Viik, Jaak Visnap, Kadri Alesmaa, Aili Vahtrapuu, Inga Heamägi

Muuseumis näeb puupõletusprotsessi / Lea Pruuli

Index Scriptorium Estoniae

Pruuli, Lea

2001-01-01

Tarbekunstimuuseumis keraamikanäitusel "Läbipaistev põletus" on asuurkeraamika ateljee kunstnikud Urmas Puhkan, Kärt Seppel, Külli Kõiv, Kadri Pärnamets, Aigi Orav ja ameerika keraamik Kenneth Jarvis rekonstrueerinud unikaalse keraamika põletusprotsessi.

Maarjamäe tallihoone äratamine = Waking of the Maarjamäe stables / Jaak Huimerind, Tarmo Piirmets ; intervjueerinud Katrin Koov

Index Scriptorium Estoniae

Huimerind, Jaak, 1957-

2015-01-01

Intervjuu arhitekt Jaak Huimerinnaga ja sisearhitekt Tarmo Piirmetsaga Maarjamäe suvemõisa tallihoone restaureerimisest, millest sai Eesti Ajaloomuuseumi näitusteruum. Arhitektuur: Jaak Huimerind, Kadri Viltrop, Stuudio Paralleel. Sisearhitektuur: Tarmo Piirmets, PINK. Valmimisaasta: 2014

Kuni 16. VIII toimub Loode-Prantsusmaa rannikulinnas Mont-Saint-Michel'is...

Index Scriptorium Estoniae

2004-01-01

Kunstifestival "Quand l'art change la baie" ("Kui kunst merelahte muudab"). Eestist on kutsutud Alice Kask, Kaie Kal, Laurentsius, Peeter Laurits, Mall Nukke, Kadri Kangilaski, Toomas Tõnissoo, kes lisaks maalide eksponeerimisele teevad kohapeal ka heinalinde

Ravimid, risk, raha & tervis / Inge Pitsner

Index Scriptorium Estoniae

Pitsner, Inge

2008-01-01

Ravimifirma Roche Eesti OÜ tegevjuht Kadri Mägi selgitab ravimiäri toimemehhanisme ning põhjuseid, miks ravimitööstus on riskantne ja kallis valdkond. Lisa: Mis on farmakoökonoomika?; Roche Eesti kontor

A survey of patients dose management in computed tomography with special emphasis to paetriatric patients in Ghana

International Nuclear Information System (INIS)

Inkoon, S.; Emi-Reynolds, G.; Boadu, M.; Schandorf, C.

2010-01-01

A survey of the frequency of common computed tomography (CT) examinations and the doses of six (6) CT facilities in Ghana has been undertaken. The technique factors for both adult and paediatric examinations were assessed. The dosimetric parameter used was the weighted computerized tomography dose index (CTDIw) for a single slice and the dose length product (DLP) for complete CT examinations of chest, chest high resolution (HR), lumbar spine, abdomen and pelvis. The effective dose (E) was estimated to give the stochastic radiation risk of a non-uniform exposure in terms of a whole body exposure. It was observed that some facilities used the same adult CT technique factors for paediatric patients. Mean values of adult CTDIw ranged as: chest (7.1-29.7 mGy), chest HR (7.1-30.0 mGy), lumbar spine (13.4-42.4 mGy), abdomen (7.8-42.4 mGy) and pelvis (8.9-42.4 mGy). Mean paediatric CTDIw values ranged as: chest (6.4-29.7 mGy), chest HR (6.4-30.0 mGy), lumbar spine (10.1-42.4 mGy), abdomen (10.1-42.4 mGy) and pelvis (10.1-42.4 mGy). The mean adult DLP values ranged as: chest (178-594 mGy cm), chest HR (168-594 mGy cm), lumbar spine (287-848 mGy cm), abdomen (233-848 mGy cm) and pelvis (228-848 mGy cm). However the mean paediatric DLP values ranged as: chest (128-594 mGy cm), chest HR (113-594 mGy cm), lumbar spine (253-848 mGy cm), abdomen (146-848 mGy cm) and pelvis (202-848 mGy cm). The E values for adults ranged as follows: chest (3.0-10.1 mSv), chest HR (2.9-10.1 mSv), lumbar spine (4.3-12.7 mSv), abdomen (3.5-12.7 mSv) and pelvis (4.3-12.7 mSv). The results show some agreement with diagnostic reference levels of CTDIw DLP and E values from literature. Nevertheless, further optimisation studies are needed to further reduce patient doses and modifications of technique factors especially for paediatrics (author)

Tõendid praktikasse / Ere Uibu, Ester Öpik

Index Scriptorium Estoniae

Uibu, Ere

2016-01-01

Eesti Õdede Liidu konverentsil tunnustati meditsiiniõdesid Sirje Kõvermäge, Kadri Piiri, Evelyn Evertit, Ere Uibut, Jane Freimani, Reet Tohvret, Teija Toivarit, Jane Remmerit, Ülle Tammsaart, Lily Parmu ja Kätlin Lünekundu

"Magnus" - esimene tõeliselt skandaalne Eesti film / Kristiina Davidjants

Index Scriptorium Estoniae

Davidjants, Kristiina, 1974-

2008-01-01

Kadri Kõusaare filmi "Magnus" kohtuliku ärakeelamise valguses ka teistest Eesti filmidest, millel on olnud ekraanile tulekuga probleeme seoses neis kujutatud inimeste protestidega. Lisatud autori repliik "On Kõusaart tõesti vääriti mõistetud?"

Magnus v Rige, i sljozõ na glazahh / Kristi Leppik

Index Scriptorium Estoniae

Leppik, Kristi

2008-01-01

Kadri Kõusaare Cannes'i programmis esilinastunud debüütfilmi "Magnus" esilinastuselt Läti väärtfilmikinos Cinema Riga, kus kohal olid režissöör. Filmi Eestis näitamise keelamise problemaatikast

Magnus Riias, pisaraga / Kristi Leppik

Index Scriptorium Estoniae

Leppik, Kristi

2008-01-01

Kadri Kõusaare Cannes'i programmis esilinastunud debüütfilmi "Magnus" esilinastuselt Läti väärtfilmikinos Cinema Riga, kus kohal olid režissöör. Filmi Eestis näitamise keelamise problemaatikast

Isepäine modernist Toomas Rein / Toomas Rein ; intervjueerinud Mait Väljas ja Reet Varblane

Index Scriptorium Estoniae

Rein, Toomas, 1940-

2010-01-01

23. aprillil avatakse Eesti Arhitektuurimuuseumis arhitekt Toomas Reinu 70. sünnipäevale pühendatud näitus. Kataloogi ja näituse on koostanud Toomas Rein ja Mait Väljas, kujundanud Tiit Jürna. Toomas Rein endast, oma loomingust, eeskujudest, näitusest, nõukogude perioodi hoonete olukorrast, viimase aja töödest, koostööst teiste arhitektidega, teostamata projektidest

Kunstnikud käivad katuseid mööda / Hanno Soans

Index Scriptorium Estoniae

Soans, Hanno, 1974-

2010-01-01

Näitus "Linna kohal" Tallinna Linnagaleriis 19. septembrini 2010. Osalevad Anu Vahtra, Johnson & Johnson, Timo Toots, Claudia Doms, Mikk Heinsoo, Urmo Mets, Marit Ilison. Kuraatorid Kadri Klementi ja Helis Teiter. Näituse teemaks on linnamajade kasutamata katusepinnad

Nocturnus Muhumaal

Index Scriptorium Estoniae

2001-01-01

7.-16. IX Pädaste mõisahoones rahvusvaheline ehtekunstinäitus "Nocturnus", kuhu kunstnikud valis Kadri Mälk. Kujundaja Inga Raukas. Nimekamad osalejad: Manfred Bischoff, Mari Funaki, Giovanni Corvaja, Bettina Speckner, Esther Brinkmann, Xavier Domenech. Kollokviumil esinejad.

Высокая мода по карману

Index Scriptorium Estoniae

2009-01-01

Moodi ja taaskasutust propageeriva projekti ReUse Republic disainiturg Tallinna Kristiine Keskuses. Seismajäänud brändirõivaid disainivad ümber moekunstnikud Kadri Bussov, Mari Martin, Kirill Safonov, Britt Samoson. Projekti looja on Mari Martin

Tondiraba jäähall = Tondiraba ice arena

Index Scriptorium Estoniae

2015-01-01

Tondiraba jäähall Tallinnas Varraku tänav 14, valminud 2014. Arhitektid Ott Kadarik, Mihkel Tüür, Kadri Tamme (Kadarik Tüür Arhitektid OÜ), insener Paavo Pikand. Eesti Kultuurkapitali Arhitektuuri sihtkapitali aastapreemia 2014

Meistrite vägikaikavedu Cannes'is / Merit Kask

Index Scriptorium Estoniae

Kask, Merit

2007-01-01

60-ndast Cannes'i filmifestivalil esilinastus 18. mail Kadri Kõusaare mängufilm "Magnus" võistlusprogrammis "Vaatenurk". Filmist ja selle vastuvõtust Cannes'is. Ka Quentin Tarantino filmist "Grindhouse : Surmakindel" ja Gus Van Santi filmist "Paranoia park"

Kohus keelas Kõusaare Cannes'i pääsenud filmi näitamise Eestis / Kaarel Kressa

Index Scriptorium Estoniae

Kressa, Kaarel, 1983-

2007-01-01

Cannes'i filmifestivali kavas "Un certain regard" on tänavu ka Kadri Kõusaare mängufilm "Magnus" : produtsent Donald Fernandes : Eesti (Vitamin K Film) - Suurbritannia (Donus Films Limited). Filmi levitamisõigusega seotud kohtumäärusest

Mängufilm "Magnus" sai kohtus kuulsaks ja Eestis keelatuks / Risto Berendson

Index Scriptorium Estoniae

Berendson, Risto, 1975-

2007-01-01

Cannes'i filmifestivali kavas "Un certain regard" on tänavu ka Kadri Kõusaare mängufilm "Magnus" : produtsent Donald Fernandes : Eesti (Vitamin K Film) - Suurbritannia (Donus Films Limited). Filmi levitamisõigusega seotud kohtumäärusest

Kõusaare film pääses Cannes'i programmi

Index Scriptorium Estoniae

2007-01-01

Cannes'i filmifestivali kavas "Un certain regard" on tänavu ka Kadri Kõusaare mängufilm "Magnus" : produtsent Donal Fernandes : operaator Pawel Sobczyk : osades Kristjan Kasearu, Ruuben Rekkor : Eesti (Vitamin K Film) - Suurbritannia (Donus Films Limited)

Põhjamaade ehtekunst

Index Scriptorium Estoniae

2002-01-01

Tarbekunstimuuseumis II Põhjamaade ehtekunsti triennaal. Kujundaja Castello Hansen. Eesti ehtekunsti esindavad Piret Hirv, Eve Margus Villems, Maria Valdma, valiku pani kokku Kadri Mälk. Uuenduseks ühe klassiku, rootsi kunstniku Torun Bülow Hübe loomingu eksponeerimine

In situ X-ray and neutron diffraction of the Ruddlesden-Popper compounds (RE2-xSrx)0.98(Fe0.8Co0.2)1-yMgyO4-δ (RE=La, Pr): Structure and CO2 stability

DEFF Research Database (Denmark)

Chatzichristodoulou, Christodoulos; Hauback, B.C.; Hendriksen, Peter Vang

2013-01-01

The crystal structure of the Ruddlesden-Popper compounds (La 1.0Sr1.0)0.98Fe0.8Co 0.2O4-δ and (La1.2Sr0.8) 0.98(Fe0.8Co0.2)0.8Mg 0.2O4-δ was investigated at 1000 °C in N 2 (aO2=1×10-4) by in-situ powder neutron diffraction. In-situ powder X-ray diffraction (PXD) was also employed to investigate....... The equivalent pseudo-cubic thermal and chemical expansion coefficients are in agreement with values determined by dilatometry. The chemical stability in CO2 containing environments of various Ruddlesden-Popper compounds with chemical formula (RE2-xSr x)0.98(Fe0.8Co0.2) 1-yMgyO4-δ (RE=La, Pr), as well...

Specific considerations for obtaining appropriate La1-xSrxGa1-yMgyO3-δ thin films using pulsed-laser deposition and its influence on the performance of solid-oxide fuel cells

Science.gov (United States)

Hwang, Jaeyeon; Lee, Heon; Lee, Jong-Ho; Yoon, Kyung Joong; Kim, Hyoungchul; Hong, Jongsup; Son, Ji-Won

2015-01-01

To obtain La1-xSrxGa1-yMgyO3-δ (LSGM) thin films with the appropriate properties, pulsed-laser deposition (PLD) is employed, and specific considerations regarding control of the deposition parameters is investigated. It is demonstrated that with a target of stoichiometric composition, appropriate LSGM thin films cannot be produced because of the deviation of the composition from the target to the thin film. Only after adjusting the target composition an LSGM thin film with an appropriate composition and phase can be obtained. The optimized LSGM thin film possesses an electrical conductivity close to that of the bulk LSGM. In contrast, non-optimized thin films do not yield any measurable electrical conductivity. The impact of the optimization of the LSGM thin-film electrolyte on the cell performance is quite significant, in that a solid-oxide fuel cell (SOFC) with an optimized LSGM thin-film electrolyte produces a maximum power density of 1.1 W cm-2 at 600 °C, whereas an SOFC with a non-optimal LSGM thin-film electrolyte is not operable.

Cannes loodab häid üllatusi Ida-Euroopast / Annika Koppel

Index Scriptorium Estoniae

Koppel, Annika

2007-01-01

Algas 60. Cannes'i filmifestival. Eestit esindav Kadri Kõusaare filmi "Magnus" peaks esilinastuma 18. mail, kui kohtuotsus näitamiskeelu kohta seda ei takista. Pikemalt avafilmist - Wong Kar-Wai "My Blueberry Nights", ka venelase Andrei Zvjagintsevi filmist "Pagendus"

Iglesiase-Anett sai eluajal Kolga-Jaani ausamba / Rainer Kerge

Index Scriptorium Estoniae

Kerge, Rainer, 1977-

2008-01-01

ETV "Erisaate" eestvedamisel püstitati Kolga-Jaani ausammas tühisusele. Ausammas kujutab Anett Arnimit, kes oli esikohal Eesti Ekspressi koostatud tühiste kuulsuste edetabelis. Kuju valmistasid skulptuuritudengid Loore-Emilie Raav, Regina Kuningas ja Kadri Allekand

Kaitstud magistri- ja doktoritööd 2014

Index Scriptorium Estoniae

2015-01-01

Magistritööd kaitsesid: Ekaterina Ermolaeva, Helena Haller, Kadri Kallast, Ville-Matti Aleksi Kataja, Laura Kiiroja, Alina-Ruxanda Mircea, Tatjana Pilipoveca, Liina Sieberk, Katsiaryna Suryna, Fatemeh Tavakoli, Ele Viskus; doktoritööd kaitses Vadim Verenitš

Filmipäevad lõpetas "Magnus" / Kristiina Davidjants

Index Scriptorium Estoniae

Davidjants, Kristiina, 1974-

2008-01-01

Eesti filmipäevadel Kinomajas autasustas Eesti Kinoliit aastapreemiaga Sulev Keeduse dokumentaalfilmi "Jonathan Austraaliast" ja noorte- ja tudengifilmi auhinna sai Vanalinna hariduskolleegiumi teatriklassi noorte film "Pablo ja Tiiu". Näidati ka kohtutõkendi alust Kadri Kõusaare filmi "Magnus"

Sõnum Lapimaalt - "Magnus" on väärt film / Imbi Paju

Index Scriptorium Estoniae

Paju, Imbi, 1959-

2007-01-01

Sodankylä filmifestivalist, mille üllatuskülaliseks kutsus soome filmilegend Peter von Bagh 60. Cannes'i filmifestivalil esilinastunud mängufilmi "Magnus" režissööri Kadri Kõusaare. Film sai Sodankyläs hea vastuvõtu

"Magnus" lummas Riia vaatajaid / Kristi Leppik

Index Scriptorium Estoniae

Leppik, Kristi

2008-01-01

Kadri Kõusaare Cannes'i programmis esilinastunud debüütfilmi "Magnus" esilinastuselt Läti väärtfilmikinos Cinema Riga, kus kohal olid režissöör ning peaosatäitja Kristjan Kasearu. Lisatud Meelis Muhu "Arvamus"

Loodusõpetuse õppekomplekt IV klassile : (ilmub 2002.a. sügiseks) / Tiina Elvisto

Index Scriptorium Estoniae

Elvisto, Tiina, 1957-

2002-01-01

Kirjastuselt Avita ilmub 2002.a. sügiseks 4. klassi bioloogia õppekomplekt, autoriteks Mart Kuurme, Vahur Laug ja Tiina Elvisto. Samadelt autoritelt, neljas kaasautor Kadri Maaste, ilmub Avitalt 2002.a. "Loodusõpetuse õpik-tööraamat 2. klassile"

Eesti-Läti orienteerumisliiga kaardistajate seminar Kanepis / koostanud Markus Puusepp

Index Scriptorium Estoniae

2010-01-01

Projekti teisest kaardistajate seminarist, mis toimus 30.-31. oktoobril Põlvamaal Kanepis. Vaata ka http://spordilinn.blogspot.com/2010/11/eesti-vs-lati-moned-motted.html ja http://orienteerumine.ee/estlat/seminarid/

23. august 1989: Balti kett / koostanud Vesta Reest, Kadi Tarand

Index Scriptorium Estoniae

2013-01-01

Balti riikide ühist protestiavaldust Molotovi-Ribbentropi pakti sõlmimise 50. aastapäeval meenutavad kunstnik Heinz Valk, Euroopa Kontrollikoja liige Kersti Kaljulaid ja Euroopa Parlamendi saadik Vilja Savisaar-Toomast

Kultuuriakadeemias lavastub ökomuusikal / Margus Haav

Index Scriptorium Estoniae

Haav, Margus

2006-01-01

Viljandi kultuuriakadeemia mustas saalis etendub second-hand-muusikal "Pinipulst, kassiraisk ja latsõtükk", mis on Kadri Karu butafoori-dekoraatori eriala lõputöö. Lavastus toetub täies mahus second-hand-filosoofiale ning teostuslikust seisukohast propageerib ökobutafooriat

Oryza glaberrima

African Journals Online (AJOL)

GNACADJA

Technologies Alimentaires, Faculté des Sciences Agronomiques, Université .... dans la mesure où la littérature a montré que ... culturelle, sociale et symbolique. ..... Revue. Ivoirienne d'Histoire, 19 : 41 - 60. Yacouba AS, Moussa OZ, Kadri A, ...

Eesti graafika etteaste Londonis / Urmas Viik

Index Scriptorium Estoniae

Viik, Urmas, 1961-

2006-01-01

Balti graafikanäitusest "Power and man" Londonis Novas galeriis. Eestit esindavad oma loominguga Peeter Allik, Urmas Viik, Kadri Alesmaa, Jaak Visnap, Inga Heamägi, Aili Vahtrapuu. Inglise skulptori Marc Quinni skulptuur rasedast Alison Lapperist Trafalgari väljakul

Neli linna ehk mängud miljonitega / Andres Lõo

Index Scriptorium Estoniae

Lõo, Andres

2006-01-01

Cardiffis toimunud arhitektuurikonverentsist "Urban Legacies II", alapealkirjaga "New Babylon". Constanti (1920-2005) installatsioonist "New Babylon", Cardiffist, Tallinnast, ettekannete põhjal Dubaist ja Kinshasast. Konverentsi raames oli Eestist väljas arhitektuuriobjekt "Transparent Black Box" (Veronika Valk, projektiga seotud Kadri Klementi)

50 miljoni kulutamise eesmärk : 50 miljonit tuleb kulutada ja kõik / Raimo Poom

Index Scriptorium Estoniae

Poom, Raimo

2007-01-01

Ministeeriumid kritiseerivad majandus- ja kommunikatsiooniministeeriumi kodutoetuse seaduse eelnõu, mille eesmärk on lahendada lasterikaste perede eluasemeprobleemid. Siim Valmar Kiisleri, Jürgen Ligi, majandus- ja kommunikatsiooniministeeriumi pressiesindaja Kalev Vapperi arvamusi. Vt. samas: Kadri Ibrus. Viielapseline pere laenu ei saa

Juugendit armastav 21. sajandi kodu / Ene Vool

Index Scriptorium Estoniae

Vool, Ene, 1948-

2006-01-01

Kaunisse ümbrusse ehitatud stiilne maja, mille projekteeris Margit Kõrts. Sisustus, valgustid ja mööbel on juugendstiilis ja Kadri Tarbe-Pärtelpoeg projekteeris sobiva trepivõre ning trafarettmaalingu tegi Ruth Tuvike, kopeerides Alphonse Maria Mucha seinamaalingut. Mirjam Peili kommentaar

Münchenis esitletakse Eesti juveelikunsti

Index Scriptorium Estoniae

2009-01-01

Münchenis toimuval üritusel Schmuckzene esitletakse raamatut "Just Must", mis ilmus 2008. aastal Tallinnas samanimelise ehtekunstinäituse raames. Koostaja Kadri Mälk, kujundaja Aadam Kaarma, fotod Tanel Veenre. Kirjastus Arnoldsche Art Publishers arvas raamatu aasta viie parema ehtekunstiraamatu hulka

Kõusaare film kadus Riias ekraanilt / Kristi Leppik

Index Scriptorium Estoniae

Leppik, Kristi

2008-01-01

Kadri Kõusaare debüütfilmi "Magnus" linastamine Läti väärtfilmikinos Cinema Riga lõpetati, kuna kino juhtkonda ähvardati režissööri sõnul tema filmi näitamise keelustamist taotleva hageja advokaatide poolt

Eesti identiteedi kasv ja kasvatus 2006. aastal - Kumust Brotzeni / Mati Hint

Index Scriptorium Estoniae

Hint, Mati, 1937-

2006-01-01

Tallinna Ülikooli emeriitprofessori loetletud tippsündmused Eesti kunsti ja ajaloo valdkonnas 2006. a. - Kumu Kunstimuuseumi avamine, Kristjan ja Paul Raua näitus Kumus ning Riias tegutsenud baltisaksa kultuuriloolase Johann Christoph Brotze joonistuste kogumiku "Johann Christoph Brotze. Estonica." Koostanud Ants Hein, Ivar Leimus, Raimo Pullat, Ants Viires. Estopol OÜ 2006, ilmumine Tallinnas, peatoimetaja Raimo Pullat. Pikemalt eesti nüüdisaegsest kunstist Kumus ja rahvuslikust identiteedist

Näitus nagu kuu / Anders Härm

Index Scriptorium Estoniae

Härm, Anders, 1977-

2005-01-01

Näitusest "Expat-Art-Centre" Tallinna Kunstihoone fuajees, Ku fassaadil ja Ku-Ku kohvikus kuni 12. I. Näituse ja sellega kaasneva ajakirja on koostanud Mathieu Copeland, osalevad Brian Eno, Pierre Huyghe (sünd. 1962), Ben Kinmont, Claude Leveque (sünd. 1953), Didier Marcel, Olivier Mosset (sünd. 1933), Shimabuku (sünd. 1969), Dan Walsh (sünd. 1962), Ian Wilson (sünd. 1940)

Belgia 11. rahvusvahelisel pitsibiennaalil...

Index Scriptorium Estoniae

2004-01-01

Biennaalil, mida toetab Belgia kuninganna Fabiola, tunnustati Kadri Viirest "Hõbedase pitsipulgaga" töö "Hääletajad" (autoritehnika, 2003) eest. Võistlusele valiti 26 tööd 13 riigist. Pitsimustrite näitus on avatud kuni 30. I 2005 Palais des Academies

Nee omingud, päävad ja õhtad / Enda Naaber

Index Scriptorium Estoniae

Naaber, Enda, 1938-

2006-01-01

Järvesalu, Irma. Nänne kink oo nee õhtad : murdeluulet / toimetaja Kadri Tüür ; illustratsioonid: Viire Jagomägi ; kujundanud Riina Uisk. Tupenurme : I. Järvesalu, 2006. Sisaldab katkendeid luuletustest "Nänne kink", "Me jõudsime mere juure", "Kuoruke" ja "Meri"

Siinushelidest kosmilise muusikani / Gerhard Lock

Index Scriptorium Estoniae

Lock, Gerhard, 1978-

2007-01-01

Saksa heliloojast Karlheinz Stockhausenist. Festivalil "Klaver 2006" kõlas 24. oktoobril 2006. a. Eesti Muusika- ja Teatriakadeemia kammersaalis Eestis esmakordselt Karlheinz Stockhauseni suurteos "Mantra" kahele klaverile ja elektroonikale. Esitajateks Kadri-Ann Sumera ja Sabine Simon, helirežisöör Hendrik Manook

Kirjad Paduasse / Marijke Vallanzasca ; tõlkinud Mart Rummo

Index Scriptorium Estoniae

Vallanzasca, Marijke

2010-01-01

Eesti ehtekunstinäitus Marijke Studios Paduas 23. 04.-30. 06. 2010. 17 osalejat loetletud. Eksponeeritud oli 69 ehteobjekti, ilmus kataloog. Kadri Mälgu, Piret Hirve, Tanel Veenre, Villu Plingi, Eve Margus-Villemsi, Kristiina Kibe ja Kertu Tubergi töödest

Männiku sotsiaalelamu = Social housing in Männiku / Peeter Pere

Index Scriptorium Estoniae

Pere, Peeter, 1957-

2012-01-01

2012. a. Tallinnas Männiku tee 92 valminud inva- ja peremajutamiseks mõeldud sotsiaalelamu, vana ühiselamu ümberprojekteerimine. Arhitektid: Siiri Vallner, Indrek Peil, Kaire Nõmm, kaasautorid: Ragnar Põllukivi, Andro Mänd, Kadri Klementi (Kavakava). Sisearhitekt Tarmo Piirmets (Pink). Projekt: 2010-2011

Aafrika kunst Rakveres / Teet Veispak

Index Scriptorium Estoniae

Veispak, Teet, 1955-

2003-01-01

4. VIII Rakvere Kesklinna galeriis avatav näitus tutvustab Lääne-Aafrikast (Burkina Faso, Ghana ja Elevandiluuranniku lobide ning Elevandiluuranniku baoulede kunst) pärit rituaalseid ja olmelisi objekte. Koostaja Roger-Pierre Turine. Eksponeeritud Kadri Viirese fotod nende rahvaste kodukandist

Korgipuu uued viljad / Tõnis Malkov

Index Scriptorium Estoniae

Malkov, Tõnis

2008-01-01

Rahvusvaheline ehtekunsti rändnäitus "2nd SKIN. Korgipuust ehted" Eesti Tarbekunsti- ja Disainimuuseumis. Eestist osalevad Kadri Mälk, Tanel Veenre. Kunstnike Carla Castiajo, Leonor Hipolito, Ramon Puig Cuyase, Eija Mustoneni, Theo Smeetsi, Manuel Vilhena, Pedro Segueira töödest

[Raamat] / Kadri Kõusaar

Index Scriptorium Estoniae

Kõusaar, Kadri

2005-01-01

Tutvustus: Nahman Bratslavist. Rabi Nahmani imelised lood / heebrea keelest tõlkinud Uku Masing, Kalle Kasemaa, Rahel M. Kasemaa ; [järelsõna ja kommentaarid: Kalle Kasemaa]. Tallinn : Varrak, 2004

Books / Kadri Steinbach

Index Scriptorium Estoniae

Steinbach, Kadri

2004-01-01

Uutest muusikaraamatutest Elmar Arro "Vana aja muusikud", "Neeme Järvi. Encore!", J. Jürisson "Muusikud Kapid ja Suure-Jaani", V. Ojakäär "Omad viisid võõras väes", K. Pappel "Ooper Tallinnas 19. sajandil", V. Rumessen "Eduard Tubin", "Eduard Tubin. Rändavate vete ääres", A. Vahter "Eestikeelse muusikaterminoloogia kujunemine ja areng", A. Vahter "Kui mina alles nor veel olin", "A composition as a problem", "Cyrillus Kreek. helilooja", "Lepo Sumera", "Vardo Rumessen. Bibliograafia"

Estimation of radiation dose for adult and pediatric patients during X-ray examinations in Khartoum State

International Nuclear Information System (INIS)

Altahir, Ataalmanan Yosif Ataalmanan

2018-01-01

The aim of this study to evaluate the patient doses in X-ray examinations for skull and in three main hospitals in Khartoum State. The examination parameters took from 125 radiographs for both male and female were the females was 58 and the male 67 patients undergoing skull (AP), were the age of pediatric patients 1-18 years and adults 19-79 years. The result shows that the calculation of ESAK for according to gender for male skull 0.206 mGy, and ESAK according to gender for male skull 0.0719 mGy, for female skull 0.0942 mGy, for male chest 0.082 mGy and female for female chest 0.098 mGy. The calculation of ESAK according to patients age, adults and pediatric, the ESAK estimation for adults 0.122 mGy for skull, 0.1306 mGy for chest, and for pediatric 0.0432 mGy for skull, 0.055 mGy for chest. This data will be useful for the formulation of national reference levels as recommended by the International Atomic Energy Agency (IAEA). (Author)

Ultralow-dose CT of the craniofacial bone for navigated surgery using adaptive statistical iterative reconstruction and model-based iterative reconstruction: 2D and 3D image quality.

Science.gov (United States)

Widmann, Gerlig; Schullian, Peter; Gassner, Eva-Maria; Hoermann, Romed; Bale, Reto; Puelacher, Wolfgang

2015-03-01

OBJECTIVE. The purpose of this article is to evaluate 2D and 3D image quality of high-resolution ultralow-dose CT images of the craniofacial bone for navigated surgery using adaptive statistical iterative reconstruction (ASIR) and model-based iterative reconstruction (MBIR) in comparison with standard filtered backprojection (FBP). MATERIALS AND METHODS. A formalin-fixed human cadaver head was scanned using a clinical reference protocol at a CT dose index volume of 30.48 mGy and a series of five ultralow-dose protocols at 3.48, 2.19, 0.82, 0.44, and 0.22 mGy using FBP and ASIR at 50% (ASIR-50), ASIR at 100% (ASIR-100), and MBIR. Blinded 2D axial and 3D volume-rendered images were compared with each other by three readers using top-down scoring. Scores were analyzed per protocol or dose and reconstruction. All images were compared with the FBP reference at 30.48 mGy. A nonparametric Mann-Whitney U test was used. Statistical significance was set at p ASIR-100 at 3.48 mGy, ASIR-100 at 2.19 mGy, and MBIR at 0.82 mGy. MBIR at 2.19 and 3.48 mGy scored statistically significantly better than the FBP reference (p = 0.032 and 0.001, respectively). For 3D images, the FBP reference at 30.48 mGy did not statistically significantly differ from all reconstructions at 3.48 mGy; FBP and ASIR-100 at 2.19 mGy; FBP, ASIR-100, and MBIR at 0.82 mGy; MBIR at 0.44 mGy; and MBIR at 0.22 mGy. CONCLUSION. MBIR (2D and 3D) and ASIR-100 (2D) may significantly improve subjective image quality of ultralow-dose images and may allow more than 90% dose reductions.

Kas teha konteinerklass? / Raivo Juurak

Index Scriptorium Estoniae

Juurak, Raivo, 1949-

2011-01-01

Koolikorraldusest ja koolidesse vastuvõtust Soomes, Saksamaal ja Inglismaal. Arvamusi avaldavad Soomes õpetajana töötavad Tiiu Jürisson ja Arvi Nikkarev, pikaajalise Soomes töötamise kogemusega TLÜ lektor Anu Carlsson ning Saksamaal Hessenis õpetajana töötav Kadri Heller

"Siin me oleme" staarid paljastasid Muhumaal saladusi / Katrin Pauts

Index Scriptorium Estoniae

Pauts, Katrin, 1977-

2002-01-01

Sulev Nõmmiku populaarse komöödiafilmi "Siin me oleme" (Eesti Telefilm 1978) osatäitjad Lia Laats, Kadri Jäätma, Väino Puura ja Imre Sooäär meenutasid Pädaste mõisas kokku tulles filmimise rõõme ja muresid

Kirjakunstinäitus rändab

Index Scriptorium Estoniae

2004-01-01

Viljandi kirjakunstiklubi Mary seitsme aasta tööde rändnäitus alustas Jakobsoni koolis. Klubi juhataja Mary Mauring. Väljapanekut kujundasid Kadri Papagoi, Kairi Ritson, Tiiu Väli, Aita Leemet ja Ants Tõnisalu, kes on ka paljude tööde autorid

Kevadine õppekäik Baieri Riigiraamatukokku / Merilin Koppel

Index Scriptorium Estoniae

Koppel, Merilin

2015-01-01

Eesti Rahvusraamatukogu töötajad Merilin Koppel ja Kadri Merilai külastasid Saksamaa ühte olulisemat teadusraamatukogu Baieri Riigiraamatukogu (Bayerische Staatsbibliothek). Lähemalt tutvuti Ida-Euroopa lugemissaali tööga, mille tööd eesti kirjandusega käsitletakse pikemalt

Eesti ehe Hollandis

Index Scriptorium Estoniae

1999-01-01

12. dets.-ni Hollandis, Nijmegeni linnas Galeerie Marzees noorte eesti ehtekunstnike näitus 'Õhu lossid', mida on spondeerinud ka Charon Kransen New Yorgist. Esinevad Tanel Veenre, Katrin Sipelgas, Villu Plink, Kristiina Laurits, Piret Hirv, Eve Margus ning õppejõud Kadri Mälk

Eesti tekstiil Inglismaal

Index Scriptorium Estoniae

2008-01-01

Norwichis Sainsbury Kujutava Kunsti Keskuses kuni 1. VI avatud rahvusvahelisel rändnäitusel "Cloth and Culture Now" osalevad Eesti, Jaapan, Soome, Leedu, Läti ja Inglismaa 35 kutsutud kunstnikuga. Eestit esindavad Katrin Pere, Mare Kelpman, Krista Leesi, Anne Taamal ja Kadri Viires

Tartu Ülikooli Füüsika Instituut = University of Tartu Institute of Physics

Index Scriptorium Estoniae

2015-01-01

Tartu Ülikooli Füüsika Instituudi hoone Tartus Viljandi mnt. 43, valminud 2014. Arhitektid Ott Kadarik, Mihkel Tüür, Kadri Tamme (Kadarik Tüür Arhitektid OÜ), Villem Tomiste (Stuudio Tallinn), insener Hugo Olak (AS Tari). Eesti Kultuurkapitali Arhitektuuri sihtkapitali aastapreemia 2014

Ott Puuraid 100 / Mart Kalm

Index Scriptorium Estoniae

Kalm, Mart, 1961-

2004-01-01

23. IV 2004. a. tähistati Viljandis kauaaegse linna peaarhitekti Ott Puuraiu (1904-1986) 100. sünniaastapäeva. Esinesid Mart Kalm, Ülo Stöör ja arhitekti tütar Meeli Roosalu. Kondase keskuses avati O. Puuraiu projektide näitus, mille koostas tema lapselaps, arhitekt Priit Roosalu, kes oli ka kataloogi koostanud. Näituse koostamisel olid abiks Anne Lass ja Tarmo Maiste. O Puuraiu elust ja loomingust

Optimizing the balance between radiation dose and image quality in pediatric head CT: findings before and after intensive radiologic staff training.

Science.gov (United States)

Paolicchi, Fabio; Faggioni, Lorenzo; Bastiani, Luca; Molinaro, Sabrina; Puglioli, Michele; Caramella, Davide; Bartolozzi, Carlo

2014-06-01

The purpose of this study was to assess the radiation dose and image quality of pediatric head CT examinations before and after radiologic staff training. Outpatients 1 month to 14 years old underwent 215 unenhanced head CT examinations before and after intensive training of staff radiologists and technologists in optimization of CT technique. Patients were divided into three age groups (0-4, 5-9, and 10-14 years), and CT dose index, dose-length product, tube voltage, and tube current-rotation time product values before and after training were retrieved from the hospital PACS. Gray matter conspicuity and contrast-to-noise ratio before and after training were calculated, and subjective image quality in terms of artifacts, gray-white matter differentiation, noise, visualization of posterior fossa structures, and need for repeat CT examination was visually evaluated by three neuroradiologists. The median CT dose index and dose-length product values were significantly lower after than before training in all age groups (27 mGy and 338 mGy ∙ cm vs 107 mGy and 1444 mGy ∙ cm in the 0- to 4-year-old group, 41 mGy and 483 mGy ∙ cm vs 68 mGy and 976 mGy ∙ cm in the 5- to 9-year-old group, and 51 mGy and 679 mGy ∙ cm vs 107 mGy and 1480 mGy ∙ cm in the 10- to 14-year-old group; p training were significantly lower than the levels before training (p staff training can be effective in reducing radiation dose while preserving diagnostic image quality in pediatric head CT examinations.

Radiation absorbed doses in cephalography

International Nuclear Information System (INIS)

Eliasson, S.; Julin, P.; Richter, S.; Stenstroem, B.

1984-01-01

Radiation absorbed doses to different organs in the head and neck region in lateral (LAT) and postero-anterior (PA) cephalography were investigated. The doses were measured by thermoluminescence dosimeters (TLD) on a tissue equivalent phantom head. Lanthanide screens in speed group 4 were used at 90 and 85 k Vp. A near-focus aluminium dodger was used and the radiation beam was collimated strictly to the face. The maximum entrance dose from LAT was 0.25 mGy and 0.42 mGy from a PA exposure. The doses to the salivary glands ranged between 0.2 and 0.02 mGy at LAT and between 0.15 and 0.04 mGy at PA exposures. The average thyroid gland dose without any shielding was 0.11 mGy (LAT) and 0.06 mGy (PA). When a dodger was used the dose was reduced to 0.07 mGy (LAT). If the thyroid gland was sheilded off, the dose was further reduced to 0.01 mGy and if the thyroid region was collimated out of the primary radiation field the dose was reduced to only 0.005 mGy. (authors)

Diagnostic Reference Levels for Patient Radiation Doses in Pelvis and Lumbar spine Radiography in Korea

Energy Technology Data Exchange (ETDEWEB)

Lee, Kwang Yong; Lee, Byung Young; Lee, Jung Eun; Lee, Hyun Koo; Jung, Seunbg Hwan; Kim, Byung Woo; Kim, Hyeog Ju; Kim, Dong Sup [Radiation Safety Division National Institute of Food and Drug Safety Evaluation, Seoul (Korea, Republic of)

2009-12-15

entrance surface dose that patients receive during the pelvis and lumbar spine radiography show the following results: in the posteroanterior view of pelvis radiography, the minimum value is 0.59 mGy, the maximum value is 12.69 mGy and the average value is 2.88 mGy with the 1st quartile value being 1.91 mGy, the median being 0.59 mGy, and the 3rd quartile value being 3.43 mGy. Also, in the posteroanterior view of lumbar spine radiography, the minimum value is 0.64 mGy, the maximum value is 23.84 mGy, and the average value is 3.68 mGy with the 1st quartile value being 2.41 mGy, the median being 3.40 mGy, and the 3rd quartile value being 4.08 mGy. In the lateral view of lumbar spine radiography, the minimum value is 1.90 mGy, the maximum value is 45.42 mGy, and the average value is 10.08 mGy with the 1st quartile value being 6.03 mGy, the median being 9.09 mGy and the 3rd quartile value being 12.65 mGy. The diagnostic reference levels for patient radiation dose to be recommended to the medical institutes in Korea is 3.42 mGy for the posteroanterior view of pelvis radiography, 4.08 mGy for the posteroanterior view of lumbar spine radiography, and 12.65 mGy for the lateral view of lumbar spine radiography. Such values are all lower than the values recommended by 6 international organizations including World Health Organization, where the recommended values are 10 mGy for the posteroanterior view of pelvis radiography, 10 mGy for the posteroanterior view of lumbar spine radiography and 30 mGy for the lateral view of lumbar spine radiography.

Diagnostic Reference Levels for Patient Radiation Doses in Pelvis and Lumbar spine Radiography in Korea

International Nuclear Information System (INIS)

Lee, Kwang Yong; Lee, Byung Young; Lee, Jung Eun; Lee, Hyun Koo; Jung, Seunbg Hwan; Kim, Byung Woo; Kim, Hyeog Ju; Kim, Dong Sup

2009-01-01

entrance surface dose that patients receive during the pelvis and lumbar spine radiography show the following results: in the posteroanterior view of pelvis radiography, the minimum value is 0.59 mGy, the maximum value is 12.69 mGy and the average value is 2.88 mGy with the 1st quartile value being 1.91 mGy, the median being 0.59 mGy, and the 3rd quartile value being 3.43 mGy. Also, in the posteroanterior view of lumbar spine radiography, the minimum value is 0.64 mGy, the maximum value is 23.84 mGy, and the average value is 3.68 mGy with the 1st quartile value being 2.41 mGy, the median being 3.40 mGy, and the 3rd quartile value being 4.08 mGy. In the lateral view of lumbar spine radiography, the minimum value is 1.90 mGy, the maximum value is 45.42 mGy, and the average value is 10.08 mGy with the 1st quartile value being 6.03 mGy, the median being 9.09 mGy and the 3rd quartile value being 12.65 mGy. The diagnostic reference levels for patient radiation dose to be recommended to the medical institutes in Korea is 3.42 mGy for the posteroanterior view of pelvis radiography, 4.08 mGy for the posteroanterior view of lumbar spine radiography, and 12.65 mGy for the lateral view of lumbar spine radiography. Such values are all lower than the values recommended by 6 international organizations including World Health Organization, where the recommended values are 10 mGy for the posteroanterior view of pelvis radiography, 10 mGy for the posteroanterior view of lumbar spine radiography and 30 mGy for the lateral view of lumbar spine radiography.

Juhtimisguru Robin Sharma naudib vaikusehetki / Robin Sharma ; interv. Kristo Kiviorg

Index Scriptorium Estoniae

Sharma, Robin

2008-01-01

Ilmunud ka: Delovõje Vedomosti 5. märts lk. 12. Juhtimisguru Robin Sharma leiab, et inimesed peaksid leidma päevas tunni iseenese jaoks, sest see aitab leida õiged perspektiivid ning loob eelduse heade ideede tekkeks. Lisa: Robin S. Sharma. Kommenteerivad Kadri Arula ja Asko Talu

Gruzinskii krizis : Nespeshnaja "makkeinizatsija" Estonii / Virkko Lepassalu

Index Scriptorium Estoniae

Lepassalu, Virkko, 1971-

2008-01-01

Gruusia sõjasündmuste mõjust Eesti riigieelarve koostamisele, sisepoliitikale, valitsuse püsimisele ning seostest USA presidendikandidaadi John McCainiga. Poliitikute Igor Gräzini, Kadri Simsoni, Mihhail Stalnuhhini, Mart Helme arvamusi. Vt. samas: Mihhail Stalnuhhin: upor budjet delatsja na gruzinizatsiju Estonii; Spravka DD

Kas 5. märtsi hommikul koidab sotside kauaoodatud tähetund? / Kai Kalamees

Index Scriptorium Estoniae

Kalamees, Kai

2006-01-01

SDE-st on saamas tulevase koalitsiooni kaalukeel, temas näevad oma partnerit paljud Isamaa ja Res Publica Liidu ning Reformierakonna poliitikud. Samas pole SDE-l lihtne valikut teha. Eiki Nestori, Kadri Musta seisukohti. Lisad: Valimised: Erakondade sihid; Vasaktiival jääb ühinemine ära

Evaluation of radiation dose during the percutaneous angioplasty for arteriovenous shunt assembling

Science.gov (United States)

Ting, Chien-Yi; Wu, Wen-Shiann; Tang, Kuo-Ting; Wang, Hsin-Ell; Lin, Chun-Chih

2017-11-01

Percutaneous angioplasty (PTA) for dysfunctional hemodialysis is usually performed by radiologists, but not cardiologists, in Taiwan, so that the radiation dose in patients and physicians are usually unknown and related studies are rare. In this study, we are pioneering an investigation into the radiation dose in percutaneous angioplasty for arteriovenous shunt assembling and the effect of RADPAD device, a lead-free surgical drape containing Bi and Ba, on the decrease of a radiation dose in the non-targeted organs of the patient and also the operator. The radiation dose in a typical digital subtraction angiography (DSA) by the PTA protocol under a fixed field of view (FOV), was measured with optically simulated luminescent dosimeters arranged in a PIXY RS-102 anthropomorphic phantom. The results indicate that there is a significant dose reduction at the hands (0.022±0.002 mGy before treatment vs. 0.014±0.001 mGy after treatment; P=0.021), but not at the lens (0.027±0.003 mGy before treatment vs. 0.018±0.001 mGy after treatment; P=0.058), and the gonads (0.026±0.003 mGy before treatment vs. 0.020±0.001 mGy after treatment; P=0.058), of the cardiologist/operator after treatment with the RADPAD drape. At the patient's abdomen, the dose significantly decreased from 1.597±0.104 mGy to 0.031±0.002 mGy (PRADPAD shield. For the chest, lens and thyroid in the patient, the doses were respectively 0.154±0.100 mGy (compared to 0.049±0.001 mGy after treated with the RADPAD drape; P=0.0002), 0.066±0.001 mGy (compared to 0.021±0.001 mGy after the RADPAD treatment; P=0.009), and 0.208±0.002 mGy (compared to 0.042±0.003 mGy after shielded with the RADPAD drape; PRADPAD drape significantly reduced radiation exposure to the patient during the PTA for the arteriovenous shunt assembling, which is suggested should be applied to the current cardiac catheterization.

Assessment of radiation exposure on a dual-source computed tomography-scanner performing coronary computed tomography-angiography

International Nuclear Information System (INIS)

Kirchhoff, S.; Herzog, P.; Johnson, T.; Boehm, H.; Nikolaou, K.; Reiser, M.F.; Becker, C.H.

2010-01-01

Objective: The radiation exposure of a dual-source-64-channel multi-detector-computed-tomography-scanner (Somatom-Defintion, Siemens, Germany) was assessed in a phantom-study performing coronary-CT-angiography (CTCA) in comparison to patients' data randomly selected from routine scanning. Methods: 240 CT-acquisitions of a computed tomography dose index (CTDI)-phantom (PTW, Freiburg, Germany) were performed using a synthetically generated Electrocardiography (ECG)-signal with variable heart rates (30-180 beats per minute (bpm)). 120 measurements were acquired using continuous tube-output; 120 measurements were performed using ECG-synchronized tube-modulation. The pulsing window was set at minimum duration at 65% of the cardiac cycle between 30 and 75 bpm. From 90-180 bpm the pulsing window was set at 30-70% of the cardiac cycle. Automated pitch adaptation was always used. A comparison between phantom CTDI and two patient groups' CTDI corresponding to the two pulsing groups was performed. Results: Without ECG-tube-modulation CDTI-values were affected by heart-rate-changes resulting in 85.7 mGray (mGy) at 30 and 45 bpm, 65.5 mGy/60 bpm, 54.7 mGy/75 bpm, 46.5 mGy/90 bpm, 34.2 mGy/120 bpm, 27.0 mGy/150 bpm and 22.1 mGy/180 bpm equal to effective doses between 14.5 mSievert (mSv) at 30/45 bpm and 3.6 mSv at 180 bpm. Using ECG-tube-modulation these CTDI-values resulted: 32.6 mGy/30 bpm, 36.6 mGy/45 bpm, 31.4 mGy/60 bpm, 26.8 mGy/75 bpm, 23.7 mGy/90 bpm, 19.4 mGy/120 bpm, 17.2 mGy/150 bpm and 15.6 mGy/180 bpm equal to effective doses between 5.5 mSv at 30 bpm and 2.6 mSv at 180 bpm. Significant CTDI-differences were found between patients with lower/moderate and higher heart rates in comparison to the phantom CTDI-results. Conclusions: Dual source CTCA is particularly dose efficient at high heart rates when automated pitch adaptation, especially in combination with ECG-based tube-modulation is used. However in clinical routine scanning for patients with higher heart rates

Short outlines of books by Estonian authors / Rutt Hinrikus, Janika Kronberg

Index Scriptorium Estoniae

Hinrikus, Rutt, 1946-

2000-01-01

Andres Ehin. Alateadvus on alatasa purjus; Peeter Torop. Kultuurimärgid; Matt Barker. Sarah' jalad; Jaan Isotamm. Mina Johnny B.; Jaan Kaplinski. Silm. Hektor; Jaan Kaplinski. Kevad kahel rannikul ehk tundeline teekond Ameerikasse; Rein Raud. Pisiasjad, mis omavad tähtsust; Kerttu Rakke. Kalevipoeg; Elin Toona. Rõõm teeb taeva taga tuld; Veera Saar. Neid ammuseid aegu; Toomas Vint. Nädalavahetusel. Mängides; Varjatud ilus haigus : valik sajandilõpu eesti luuletajaid / koostanud Kajar Pruul; Viiu Härm. Duubel kaks

Soovimatud lapsed / Jaak Lõhmus

Index Scriptorium Estoniae

Lõhmus, Jaak

2007-01-01

60-nda Cannes'i filmifestivali filme : Christian Mungiu "Neli kuud, kolm nädalat ja kaks päeva" (Rumeenia) ; Ethan ja Joel Coen'i "Pole maad vanadele meestele" ("No Country for Old Men" ; Ameerika Ühendriigid), Andrei Zvjagintsevi "Pagendus" (Izgnanije" ; muusika Arvo Pärdilt ; Venemaa) ; Kadri Kõusaare "Magnus"

Kohvik Milleenium. Tallinn, Raekoja plats 10 / Malle Jürgenson, Krista Lepland, Tea Tammelaan

Index Scriptorium Estoniae

Jürgenson, Malle, 1961-

1998-01-01

Sisekujundus : Laika, Belka & Strelka OÜ. Autorid Malle Jürgenson, Krista Lepland, Tea Tammelaan. Ehitus : Vindento OÜ. Keraamilised skulptuurid : OÜ Asuurkeraamika ; autorid Urmas Puhkan, Külli Kõiv, Kärt Seppel, Kadri Pärnamets, Aigi Orav. Valgustid ja nagid : Steel Line Ldt. Mööblitarnijad : Saloni AS, Inspira AS. Valmis 1988.

Uue kunsti tegijad pakuvad head maali / Silja Joon

Index Scriptorium Estoniae

Joon, Silja, 1966-

2006-01-01

Pärnuga seotud või Pärnust pärit kunstnike uuem looming näitusel "Looja, loo lugu, loo lugu, looja, loo..." Pärnu Uue Kunsti Muuseumis. Osalevad Toomas Kuusing, Siram, Bruno Sõmeri, Anonymous Boh, Mark Soosaar, Jaak Visnap, Mila Balti, Kadri Alesmaa, Bille Neeve. Kuraator Andrus Joonas

Tõkestatud "Magnus" võitis kaks auhinda / Annika Koppel

Index Scriptorium Estoniae

Koppel, Annika

2008-01-01

Kadri Kõusaare film "Magnus" (produtsent Donal Fernandes) võitis Saksamaal "GoEasti" Ida- ja Kesk-Euroopa filmikunsti festivalil peapreemia Kuldse Liilia ja rahvusvahelise filmiajakirjanike ühingu preemia. Ka teistest filmidest : serblase Stefan Arsenijevici "Armastus ja teised kuriteod", ukrainlanna EVa Nejmani "Jõe ääres", venelase Aleksei Popogrebski "Lihtsad asjad"

Measurements of radiation dose to patients undergoing some common radiographic x-ray examinations in Wad Madani hospitals

International Nuclear Information System (INIS)

Mohammedzein, T. S.

2009-12-01

The aim of this study was to assess patient doses in most common radiographic x-ray examinations in Wad Madani hospitals of Al Gazera State. The examination parameters of 388 radiographs were used to calculate the Entrance Surface Air Kerma (ESAK) of patients undergoing skull (AP and LAT), chest (PA), pelvis (AP), abdomen (AP) and lumbar spin (AP and LAT) in six major hospitals. Hospital mean ESAKs estimated range from 0.0729-0.69 mGy for chest PA, 0.338-6.64 mGy for skull PA, 0.195-5.8 mGy for skull LAT, 0.595-3.42 mGy for pelvis AP, 0.772-6.31 mGy for lumbar spine AP, 2.1-15.2 mGy for lumbar spine LAT and 0.742-5.79 mGy for abdomen. This data will be useful for the formulation of national reference levels as recommended by International Atomic Energy Agency (IAEA). (Author)

Rattaretk 2010 - Kuidas elad, Vooremaa? / koostanud Vello Keppart ja Helen Arusoo

Index Scriptorium Estoniae

2010-01-01

Eesti Roheline Liikumise MTÜ Roheliste rattaretked poolt 7.-9. mail 2010 korraldatava 21. rattaretke "Kuidas elad, Vooremaa?" teekonna ja vaatamisväärsuste tutvustus. Artiklit illustreerib retke kaart ja päevakava

Demokraatiast ühiskonnas ja teatris / Mihhail Šatrov ; koostanud Mihkel Tiks

Index Scriptorium Estoniae

Šatrov, Mihhail

1987-01-01

Katkendeid M. Šatrovi, J. Alliku, A. Raikini, M. Zahharovi sõnavõttudest Üleliidulisel Teatritegelaste Liidu asutamiskongressil 5. dets. 1986 ja Teatritegelaste Liidu konverentsil Moskvas 26. mail 1987

Niche partitioning of marine group I Crenarchaeota in the euphotic and upper mesopelagic zones of the East China Sea.

Science.gov (United States)

Hu, Anyi; Jiao, Nianzhi; Zhang, Rui; Yang, Zao

2011-11-01

Marine group I Crenarchaeota (MGI) represents a ubiquitous and numerically predominant microbial population in marine environments. An understanding of the spatial dynamics of MGI and its controlling mechanisms is essential for an understanding of the role of MGI in energy and element cycling in the ocean. In the present study, we investigated the diversity and abundance of MGI in the East China Sea (ECS) by analysis of crenarchaeal 16S rRNA gene, the ammonia monooxygenase gene amoA, and the biotin carboxylase gene accA. Quantitative PCR analyses revealed that these genes were higher in abundance in the mesopelagic than in the euphotic zone. In addition, the crenarchaeal amoA gene was positively correlated with the copy number of the MGI 16S rRNA gene, suggesting that most of the MGI in the ECS are nitrifiers. Furthermore, the ratios of crenarchaeal accA to amoA or to MGI 16S rRNA genes increased from the euphotic to the mesopelagic zone, suggesting that the role of MGI in carbon cycling may change from the epipelagic to the mesopelagic zones. Denaturing gradient gel electrophoretic profiling of the 16S rRNA genes revealed depth partitioning in MGI community structures. Clone libraries of the crenarchaeal amoA and accA genes showed both "shallow" and "deep" groups, and their relative abundances varied in the water column. Ecotype simulation analysis revealed that MGI in the upper ocean could diverge into special ecotypes associated with depth to adapt to the light gradient across the water column. Overall, our results showed niche partitioning of the MGI population and suggested a shift in their ecological functions between the euphotic and mesopelagic zones of the ECS.

Breast Radiation Dose With CESM Compared With 2D FFDM and 3D Tomosynthesis Mammography.

Science.gov (United States)

James, Judy R; Pavlicek, William; Hanson, James A; Boltz, Thomas F; Patel, Bhavika K

2017-02-01

We aimed to compare radiation dose received during contrast-enhanced spectral mammography (CESM) using high- and low-energy projections with radiation dose received during 2D full field digital mammography (FFDM) and 3D tomosynthesis on phantoms and patients with varying breast thickness and density. A single left craniocaudal projection was chosen to determine the doses for 6214 patients who underwent 2D FFDM, 3662 patients who underwent 3D tomosynthesis, and 173 patients who underwent CESM in this retrospective study. Dose measurements were also collected in phantoms with composition mimicking nondense and dense breast tissue. Average glandular dose (AGD) ± SD was 3.0 ± 1.1 mGy for CESM exposures at a mean breast thickness of 63 mm. At this thickness, the dose was 2.1 mGy from 2D FFDM and 2.5 mGy from 3D tomosynthesis. The nondense phantom had a mean AGD of 1.0 mGy with 2D FFDM, 1.3 mGy with 3D tomosynthesis, and 1.6 mGy with CESM. The dense breast phantom had a mean AGD of 1.3 mGy with 2D FFDM, 1.4 mGy with 3D tomosynthesis, and 2.1 mGy with CESM. At a compressed thickness of 4.5 cm, radiation exposure from CESM was approximately 25% higher in dense breast phantoms than in nondense breast phantoms. The dose in the dense phantom at a compressed thickness of 6 cm was approximately 42% higher than the dose in the nondense phantom at a compressed thickness of 4.5 cm. CESM was found to increase AGD at a mean breast thickness of 63 mm by approximately 0.9 mGy and 0.5 mGy compared with 2D FFDM and 3D tomosynthesis, respectively. Of note, CESM provides a standard image (similar to 2D FFDM) that is obtained using the low-energy projection. Overall, the AGD from CESM falls below the dose limit of 3 mGy set by Mammography Quality Standards Act regulations.

Application of low-dose radiation protocols in survey CT scans

International Nuclear Information System (INIS)

Fu Qiang; Liu Ting; Lu Tao; Xu Ke; Zhang Lin

2009-01-01

Objective: To characterize the protocols with low-dose radiation in survey CT scans for localization. Methods: Eighty standard adult patients, head and body phantoms were recruited. Default protocols provided by operator's manual setting were that all the tube voltage for head, chest, abdomen and lumbar was 120 kV; the tube currents were 20,10,20 and 40 mA, respectively. Values of kV and mA in the low-dose experiments were optimized according to the device options. For chest and abdomen, the tube position were compared between default (0 degree) and 180 degree. Phantoms were scanned with above protocols, and the radiation doses were measured respectively. Paired t-test were used for comparisons of standard deviation in CT value, noise and exposure surface dose (ESD) between group with default protocols and group with optimized protocols. Results: The optimized protocols in low-dose CT survey scans were 80 kV, 10 mA for head, 80 kV, 10 mA for chest, 80 kV, 10 mA for abdomen and 100 kV, 10 mA for lumbar. The values of ESD for phantom scan in default and optimized protocols were 0.38 mGy/0.16 mGy in head, 0.30 mGy/0.20 mGy in chest, 0.74 mGy/0.30 mGy in abdomen and 0.81 mGy/0.44 mGy in lumbar, respectively. Compared with default protocols, the optimized protocols reduced the radiation doses 59%, 33%, 59% and 46% in head, chest, abdomen and lumbar. When tube position changed from 0 degree to 180 degree, the ESD were 0.24 mGy/0.20 mGy for chest; 0.37 mGy/0.30 mGy for abdomen, and the radiation doses were reduced 20% and 17%. Conclusion: A certain amount of image noise is increased in low-dose protocols, but image quality is still acceptable without problem in CT localization. The reduction of radiation dose and the radiation harm to patients are the superiority. (authors)

Ämaris valimisreklaami filmimist korraldas ka peaministri büroo / Joosep Värk, Urmas Jaagant ; kommenteerib Sven Mikser

Index Scriptorium Estoniae

Värk, Joosep

2014-01-01

Reformierakonna valimisklipp "Kindlalt edasi" filmiti kaitseväe loal Ämari lennubaasis. Kaitseväeteenistuse seaduse järgi aga ei tohi käsuõigust ega distsiplinaarvõimu kasutada erakondlikes huvides. Selgitavad kaitseväe juhataja Riho Terras, peaministri büroo juht Liina Kersna ja julgeolekunõunik Kadri Peeters

Художники ходят по крышам домов / Ханно Соанс

Index Scriptorium Estoniae

Соанс, Ханно, 1974-

2010-01-01

Näitusest "Linna kohal" Tallinna Linnagaleriis. Teemaks on linnamajade katusepindade kasutuselevõtt. Kuraatorid Kadri Klementi ja Helis Heiter. Töödest näitusel. Osalevad: Anu Vahtra — Tallinna Kunstihoone, Claudia Doms ja Mikk Heinsoo — Saku Suurhall, Timo Toots — Lennujaam, Marit Ilison — Telliskivi Loomelinnak, Johnson & Johnson — Postimaja

ÕhuLoss - ehtides maailma / Pekka Erelt

Index Scriptorium Estoniae

Erelt, Pekka, 1965-

2011-01-01

Ehtekunstnike rühmitusest õhuLoss (Kadri Mälk, Piret Hirv, Eve Margus-Villems, Tanel Veenre, Kristiina Laurits, Villu Plink, Katrin Sipelgas). Esimest korda astus rühmitus üles 10 aastat tagasi Hollandis Marzee galeriis toimunud näitusel. 2011. aasta augustis-septembris toimus näitus Tallinna Põhjatuletornis

Lasva veetorn = Lasva Water Tower / Margit Mutso

Index Scriptorium Estoniae

Mutso, Margit, 1966-

2010-01-01

Lasva veetorni rekonstrueerimisest klavertrepiga kunstigaleriiks-vaatetorniks. Arhitekt, idee autor Veronika Valk, kaasautor Kadri Klementi, klavertrepi teostus: Kalle-Priit Pruuden, trepi elektrooniline heli: Kalle Tikas, infostendid: Peeter Laurits. Žürii liige Kalle Komissarov žürii hinnangust EK arhitektuuri sihtkapitali 2009. a. väikeobjekti preemia pälvinud hoonele

7. X avati Viljandis Kondase keskuses litograafianäitus

Index Scriptorium Estoniae

2003-01-01

Eesti Litograafiakeskuse korraldatud näitusel tutvustatakse litograafiatehnikat ja selle ajaloolist arengut. Väljas on Pärnus 5.-25. IX Eesti I litograafiasümpoosioni raames toimunud näitustel "Old Stars" ja "Young Generation" eksponeeritud eesti graafikute litotehnikas teosed ning näituse koostajate Jaak Visnapi ja Kadri Alesmaa looming

Piduöö 5 nägu / Monica Raud

Index Scriptorium Estoniae

Raud, Monica, 1981-

2007-01-01

Viie ööklubi interjöörist. Tallinnas Club von Überblingen endises Polümeeri hoones, sisearhitekt Taavi Aunre; Club Prive, sisearhitekt Priit Roosna; Tartus Maasikas, sisekujundajad Riin Pettai ja Kerli Lepp; Club Illusion, sisekujundaja Jaanis Ilves; Pärnus klubi Str&, sisekujundajad Hannes Praks, Kristjan Holm ja Kadri Tamme

Kontsert

Index Scriptorium Estoniae

2007-01-01

II rahvusvahelisest noortekooride festivalist 1.-3. veebr. TÜ aulas. Gustav Mahleri "Poisi võlusarv" esitusest 1. veebr. TÜ Ajaloo Muuseumis (esitajad Annaliisa Pillak, Taavi Tampuu ja Kadri-Ann Sumera). Cyprien Katsarise kontserdist 30. jaan. Vanemuise kontserdimajas. Kontserdil "Vocalissimo 2007. Vajatakse Muusat!" 28. jaan. Tartu Linnamuuseumis (esinejad Mati Turi ja Martti Raide)

Kohukese logo meenutab Keskerakonna oma / Urmas Seaver

Index Scriptorium Estoniae

Seaver, Urmas, 1973-

2005-01-01

Tallinna Piimatööstuse tütarfirma AS-i Kohuke uue kohukese reklaamplakatid, millel on suur valge K-täht ja kiri "Igaühele", meenutavad Keskerakonna valimisplakateid. Keskerakonna peasekretäri Kadri Musta sõnul ei ole partei reklaamiga mingil moel seotud ega nõua selle mahavõtmist

Noobel: Nõmme Lunastaja kirik / Jüri Kuuskemaa

Index Scriptorium Estoniae

Kuuskemaa, Jüri, 1942-

2009-01-01

Nõmme Lunastaja kirikust (arhitekt Robert Natus, valmis 1936). Eesti taasiseseisvumisel kingiti krunt ja hooned Nõmme eesti luterlaste Rahu kogudusele. Restaureerimisprojekti kirikule ja pastoraadile tegi Fredi Tomps, kes kavandas ka uue altari, kantsli ja seinapaneelid. Osteti uus orel ja pingistik. 20. augustil annavad kirikus kontserdi Kadri Hunt ja Weekend Guitar Trio

Läbi tule

Index Scriptorium Estoniae

2004-01-01

8.-18. IV 2004 Eesti Tarbekunsti- ja Disainimuuseumis Eesti Kunstiakadeemia keraamikaosakonna magistrantide grupinäitus "Läbi tule". Reeli Haamer, Kadri Kivi, Annika Vilippus, Ingrid Allik, Mathew Graziano ja Milvi Korela kaitsevad 12. IV oma magistritööd. 23. IV-15. VI näitus Leesi Ermi loomingust sarjas "Klassikud"

Sõnaliigituse kitsaskohad eesti keele arvutianalüüsis / Kadri Muischnek, Kadri Vider

Index Scriptorium Estoniae

Muischnek, Kadri

2005-01-01

Atriklis vaadeldakse tekstikorpuste morfoloogilise ja semantilise ühestamise käigus kerkinud lingvistilisi probleeme, keskendudes tekstisõna sõnaliigilise kuuluvuse probleemile (vt www.cl.ut.ee). Andmetega autorite kohta

Olev Ott uuris, kuidas kooliraamatud varjavad ajalugu / Olev Ott ; küsitl. ja foto: Ülo Ignats

Index Scriptorium Estoniae

Ott, Olev

2007-01-01

intervjuu kauaaegse Rootsi ajaloo- ja usuteaduse õpetaja, Göteborgi raamatumessil osalenud Olev Otiga, kes on koostanud raamatu "Deportationerna i Estland 1941 - ett försök att förstå tomheten i svenska gymnasieläroböcker". Autor lähtus oma uurimuses 1941. a. küüditamisest, vaadates läbi Rootsi keskkooli õpikud aastast 1950-2000 eesmärgiga saada ülevaade konkreetse ajaloosündmuse kajastamisest õpikutes. Tema magistritöö tulemustest ja järeldustest

Measurement and estimation of maximum skin dose to the patient for different interventional procedures

International Nuclear Information System (INIS)

Cheng Yuxi; Liu Lantao; Wei Kedao; Yu Peng; Yan Shulin; Li Tianchang

2005-01-01

Objective: To determine the dose distribution and maximum skin dose to the patient for four interventional procedures: coronary angiography (CA), hepatic angiography (HA), radiofrequency ablation (RF) and cerebral angiography (CAG), and to estimate the definitive effect of radiation on skin. Methods: Skin dose was measured using LiF: Mg, Cu, P TLD chips. A total of 9 measuring points were chosen on the back of the patient with two TLDs placed at each point, for CA, HA and RF interventional procedures, whereas two TLDs were placed on one point each at the postero-anterior (PA) and lateral side (LAT) respectively, during the CAG procedure. Results: The results revealed that the maximum skin dose to the patient was 1683.91 mGy for the HA procedure with a mean value of 607.29 mGy. The maximum skin dose at the PA point was 959.3 mGy for the CAG with a mean value of 418.79 mGy; While the maximum and the mean doses at the LAT point were 704 mGy and 191.52 mGy, respectively. For the RF procedure the maximum dose was 853.82 mGy and the mean was 219.67 mGy. For the CA procedure the maximum dose was 456.1 mGy and the mean was 227.63 mGy. Conclusion: All the measured dose values in this study are estimated ones which could not provide the accurate maximum value because it is difficult to measure using a great deal of TLDs. On the other hand, the small area of skin exposed to high dose could be missed as the distribution of the dose is successive. (authors)

Estimation of entrance dose during selected fluoroscopic examinations in some hospitals in Khartoum state

International Nuclear Information System (INIS)

Mohammed, Heba Abdalkareem Osman

2016-01-01

A diagnostic fluoroscopy is a modality that involves visualizing the anatomy using radiation in real time. Therefore, patients doses have a potential for being great, increasing the chance of the radiation induced carcinogenesis. The objective of this study was to determine the mean entrance surface dose (ESD) from selected fluoroscopic examinations namely, hysterosalpingography (HSG) and ascendingurethogram (ASU) in three hospitals in Khartoum State. A total of 87 and 110 patents for HSG and ASU respectively were examined. The data were collected over four months. The mean ESD for patients who underwent HSG were 16.2 mGy, 20.6 mGy and 25.9 mGY respectively, while the ESD for patient who underwent ascendingurethrogram for AP view were 3.5mGy, 2.9mGy and 11.9mGy and for OB view 15.9 mGy, 18.3 mGy and 25.4 mGy. Patient doses were calculated using mathematical equation and the results were compared with the ESDs calculated using mathematical equation and the results were found to be comparable with the ESDs reported in previous studies and within the guidance level established by the ICRP. Fluoroscopy time, operator skills, x-ray machine type and clinical complexity of the procedures were shown to be major contributors to the variations reported in the measured ESDs. The study demonstrated the need for standardization of techniques throughout the hospitals and suggested that there ia a need to optimize the procedures.(Author)

Preliminary evaluation of exposures of computerized tomography patients in Latin America: IAEA project RLA/9/67

International Nuclear Information System (INIS)

Kodlulovich, S.; Silveira, V.; Khoury, H.J.

2013-01-01

The aim of this study was to obtain preliminary values of reference levels in CT . Were sent to each country forms with information of radiological protection and routine CT protocols. The CT dose index and absorbed dose to organs was estimated from the technical data for each equipment . The results showed that the total number of examinations performed 92 % are adult patients and 8 % are children. The most frequent examination of the skull was adult (40 % ) and abdomen for children (42 % ) . About the service , 67 % of the equipment are multicut and 76 % have specific protocols for pediatric patients. The CTDI vol values for head exams of adults vary between 2 and 352 mGy for pediatric patients under 1 year 1-191 mGy under 7 years old 5-335 mGy. For chest values ranged from 3 to 26 mGy for adults, between 1 and 89 mGy for children under 1 year and between 3-114 mGy for children between 1 and 7 years. Exams of the abdomen/pelvis of adults the range was 3-47 mGy , between 4-90 mGy for children under 1 year and between 2-31 mGy for children between 1 and 7 years. This study showed that although there are pediatric protocols, there is a wide variation in values of CTDl vol indicating a high potential for dose reduction. This result requires immediate action for optimization and implementation of diagnostic reference values in Latin America

The Third International Intercomparison on EPR Tooth Dosimetry: Part 2, final analysis

International Nuclear Information System (INIS)

Wieser, A.; Debuyst, R.; Fattibene, P.; Meghzifene, A.; Onori, S.; Bayankin, S. N.; Brik, A.; Bugay, A.; Chumak, V.; Ciesielski, B.; Hoshi, M.; Imata, H.; Ivannikov, A.; Ivanov, D.; Junczewska, M.; Miyazawa, C.; Penkowski, M.; Pivovarov, S.; Romanyukha, A.; Romanyukha, L.; Schauer, D.; Scherbina, O.; Schultka, K.; Sholom, S.; Skvortsov, V.; Stepanenko, V.; Thomas, J. A.; Tielewuhan, E.; Toyoda, S.; Trompier, F.

2006-01-01

The objective of the Third International Intercomparison on EPR Tooth Dosimetry was to evaluate laboratories performing tooth enamel dosimetry <300 mGy. Final analysis of results included a correlation analysis between features of laboratory dose reconstruction protocols and dosimetry performance. Applicability of electron paramagnetic resonance (EPR) tooth dosimetry at low dose was shown at two applied dose levels of 79 and 176 mGy. Most (9 of 12) laboratories reported the dose to be within 50 mGy of the delivered dose of 79 mGy, and 10 of 12 laboratories reported the dose to be within 100 mGy of the delivered dose of 176 mGy. At the high-dose tested (704 mGy) agreement within 25% of the delivered dose was found in 10 laboratories. Features of EPR dose reconstruction protocols that affect dosimetry performance were found to be magnetic field modulation amplitude in EPR spectrum recording, EPR signal model in spectrum deconvolution and duration of latency period for tooth enamel samples after preparation. (authors)

IN VITRO CULTURE OF HOLOPARASITE Rafflesia arnoldii R. Brown

Directory of Open Access Journals (Sweden)

Lazarus Agus Sukamto

2010-07-01

Full Text Available Potongan kuncup bunga digunakan sebagai eksplan yang ditumbuhkan pada media dasar Murashige and Skoog (MS dengan tambahan 0; 0.1; 0.5; 1 and 5 mg/I 2,4-D atau Picloram dan 2 g/I Phytagel. Eksplan tumbuh menjadi kalus pada media yang ditambahkan 0,1 dan 1 mg/I 2,4-D atau 0,5 dan 1 mg/I Picloram. Kultur kalus tersebut dipelihara pada media MS + 1 mg/I 2,4-D. Kemudian kalus ditumbuhkan pada medium dengan penambahan 1, 3, 5 dan 10 mg/I 2,4-D atau Picloram. Setelah dua bulan 66,67-100% kultur membentuk kalus. Semua kalus berstruktur kompak. Beberapa kalus yang diperlakuan dengan 5-10 mg/I 2,4-D menumbuhkan benang-benang putih pada permukaannya. Perlakuan Picloram menghasilkan kalus yang lebih banyak, tetapi 2,4-D menghasilkan kualitas kalus yang lebih baik. Kalus R. arnoldii tidak membentuk somatik embrio dengan penambahan 0,1 mg/I Zeatin dalam media kultur. Ini adalah laporan yang pertama kali tentang pembentukan kalus dari kultur R. arnoldii secara in vitro.

Millele pöörate eluaseme ostmisel ja üürimisel tähelepanu?

Index Scriptorium Estoniae

2005-01-01

Küsimusele vastavad Brüsselis tööd otsiv Kadri Kuusk, Sampo Panga koolitusosakonna juhataja Külli Meier, finantsinspektsiooni osakonnajuhataja Andre Nõmm, Riigikogu liige Meelis Atonen, Palivere lastekodu juhataja Külle Saar, Helsingis töötav arst Jaak Kiviloog, Narva kooliõpetaja Julia Ivanova, maksu- ja tolliameti peaspetsialist Tiiu Kilk

Veebifilmide festivali võitja "Silver ja Viki" / Liivi Shein

Index Scriptorium Estoniae

Šein, Liivi

2008-01-01

31. jaanuaril lõppes koostöös PÖFFi, Kinobussi ja Overall Eestiga korraldatud esimene veebifilmide festival "Lae üles!" lõpuüritusega Tallinna Kinomajas. Parimaks veebifilmiks kuulutas žürii Irina Tammise disainistuudio (veel Kadri Kuusk ja Marko Karja) animafilmi "Silver ja Viki". Lisatud nimekiri "Veebifilmifestivali kümme paremat"

Taevas pole ainult tähesõdade paik / Reet Varblane

Index Scriptorium Estoniae

Varblane, Reet, 1952-

2007-01-01

Palmse mõisas 20.-27. V toimunud rahvusvahelisest põlisrahvaste kultuurifestivalist "Põhjataeva peegeldused". Tekstiilikunstnikke kureeris Kadri Viires, seppi Kaupo Kangur. Töötubades tehtu on väljas sepikojas. Jean-Loup Rousselot pidas loengutsükli Põhjala kultuurist, mõtlemisest ja mütoloogiast. Yinka Shonibare projektist "Armastuse aed" Pariisis kultuuride dialoogi muuseumis

78 FR 65643 - Environmental Impact Statements; Notice of Availability

Science.gov (United States)

2013-11-01

..., Tiering FEIS--U.S. Coast Guard Rulemaking for Dry Cargo Residue Discharges in the Great Lakes, Review... Management Plan, Port of Morehead City, Comment Period Ends: 12/16/2013, Contact: Hugh Heine 910-251-4070... Port of Entry Improvements Project, Comment Period Ends: 11/29/2013, Contact: Osmahn Kadri 415-522-3617...

Reformierakond naudib ülisuurt toetust / Agnes Kuus

Index Scriptorium Estoniae

Kuus, Agnes

2007-01-01

Ilmunud ka: Postimees : na russkom jazõke, 15. mai 2007, lk. 3. Uuringufirma TSN Emor korraldatud küsitluse kohaselt oli Reformierakonna toetus pärast pronkssõduri sündmusi 46%. Diagramm: Toetus parlamendierakondadele. Kommenteerivad: Kadri Must, Marek Strandberg, Jaanus Marrandi, Margus Tsahkna, Eiki Nestor. Vt. samas: Kai Kalamees. Võimupartnerid usuvad endasse

Tartu Ülikooli Narva Kolledž = University of Tartu Narva College / Hannes Praks

Index Scriptorium Estoniae

Praks, Hannes, 1973-

2013-01-01

Eesti Sisearhitektide Liidu 2012. aasta parima avaliku ruumi preemia pälvinud TÜ Narva Kolledzi sisekujundusest. Autorid: Hannes Praks, Kadri Tamme, Kristjan Holm, Liisi Murula, Toomas Pääsuke, Ahti Grüngerg, Daniel Marius Reisser, Helen Sarapuu. Arhitektuur: Kavakava. ESLi aastapreemiate žürii liikmete Raivo Puusepa ja Mari Kurismaa arvamused

Täiskasvanud, kes mängivad plastiliiniga / Helen Teesalu

Index Scriptorium Estoniae

Teesalu, Helen

2008-01-01

31. jaanuaril lõppes koostöös PÖFFi, Kinobussi ja Overall Eestiga korraldatud esimene veebifilmide festival "Lae üles!" Parimaks veebifilmiks kuulutas žürii Irina Tammise disainistuudio (veel Kadri Kuusk ja Marko Karja) animafilmi "Silver ja Viki". Tegijad räägivad filmi valmimisest. Lisatud teave veebifilmifestivali tulemuste kohta

Evaluation of patient exposure with Flat Panel Detector (FPD) in X-ray TV system

International Nuclear Information System (INIS)

Yamada, M.; Komiya, N.; Kawaguchi, A.; Suzuki, M.; Suzuki, Shoichi; Asada, Yasuki

2008-01-01

The use of flat-panel detector (FPD) systems in TV equipment for gastrointestinal tract examination is increasing. The use of FPD systems is believed to reduce the exposure dose. When our institution changed its TV equipment from an image intensifier (GE; MS90Tj) system to an FPD (Shimadzu; SONIALVISION safire DAR-3500) system, we measured the doses produced and carried out a comparative examination of the extent to which exposure could be reduced. Two TV systems were used. We used an analyzer to measure output waveform, tube voltage, and half-value layer (HVL), and an ionization chamber dosimeter to carry out dose-in-air measurements. Body thickness, number of image acquisitions, and fluoroscopy time are required for the calculation of entrance skin dose (ESD). We therefore measured body thicknesses in 1000 upper gastrointestinal tract (UGI) and barium enemas and obtained average body thicknesses for males and females by age group. Values used for number of image acquisitions and fluoroscopy times were the averages in our institution over a two-year period. When an I.I. system was used, the average ESD during UGI examination were 126.8 mGy fluoroscopy dose and 11.62 mGy imaging dose, for an average total dose of 138.42 mGy per examination. ESD during barium enema averaged 201.73 mGy fluoroscopy dose and 45.2 mGy imaging dose, for an average total dose of 246.92 mGy per examination. When an FPD system was used, the average ESD during UGI examination were 58.71 mGy fluoroscopy dose and 5.72 mGy imaging dose, for an average total dose of 64.43 mGy per examination. ESD during barium enema averaged 112.21 mGy fluoroscopy dose and 24.55 mGy imaging dose, for an average total dose of 136.76 mGy per examination. The use of an FPD system reduced both fluoroscopy dose and imaging dose by 50%. The number of TV systems equipped with FPD in Japan has increased from around 1300 in 2006 to around 1700 in 2007. The use of FPD systems can be expected to increase in future. This

Survey of image quality and patient dose in simple radiographic examinations: establishing guidance levels and comparison with international standards

International Nuclear Information System (INIS)

Manatrakul, N.; Bunsoong, T.; Krisanachinda, A.; Suwanpradit, P.; Rungruengthanakit, P.; Kanchart, S.; Chaiwong, Rajikorn; Tsapakig, V.A.

2008-01-01

Purpose: To investigate image quality and patient dose for commonly radiographic examinations in Thailand, to establish national reference or guidance levels (GL) and compare with international standards, as part of an International Atomic Energy Agency (IAEA) project on Radiation Protection of Patients and Medical Exposure Control (RAS/9/034 and RAS/9/047). Materials and Methods: Film reject rate analysis, image quality and patient dose assessment before and after Quality Control (QC) implementation were investigated in 8 X-ray machines in 4 hospitals. Air kerma (in mGy) at 1 meter focus-detector-distance for different kVp settings for each X-ray machines were measured using an ionization chamber under standardized condition. The entrance skin air kerma (ESAK) for Chest PA, Lumbar spine AP, Lumbar spine LAT, Pelvis AP, Abdomen AP, Skull AP and Skull LAT were calculated for at least 10 adult patients of average body mass (60 to 80 kg) for each projection. The obtained values were compared with international standards. Results: The highest film rejection rate reduction recorded after corrective actions from 9.15% to 6.8%. Mean ESAK values were less than international standards both before and after QC implementation in all projections but Chest PA projection. Maximum ESAK in Chest PA projection before corrective action was 0.55 mGy which was higher than the IAEA GL of 0.2 mGy. However, it was reduced to 0.25 mGy after QC tests on X- ray machine and using high kilovoltage (kV) technique. Conclusion: Proposed national GL of Thailand were obtained by estimating the 3rd quartile of the whole sample: Chest PA: 0.1 mGy, Lumbar Spine AP: 2.1 mGy, Lumbar Spine LAT: 6.3 mGy, Pelvis AP: 1.8 mGy, Abdomen: 1.5 mGy, Skull PA: 1.3 mGy and Skull LAT: 0.9 mGy. (author)

Patient dosimetry in hysterosalpingography

International Nuclear Information System (INIS)

Khoury, H.J.; Maia, A.; Oliveira, M.; Kramer, R.; Drexler, G.

2001-01-01

The objectives of this study were to determine the entrance surface dose to the patient and to estimate the dose to the uterus and ovaries due to hysterosalpingography (HSG) diagnostic examinations performed in Recife-Pe, Brazil. The entrance doses were measured using four thermoluminescent dosimeters per patient, attached to anatomical landmarks on the patient's skin. The study was carried out on 25 patients between 21 and 45 years of age who underwent the HSG examinations in two training hospitals and one private radiodiagnostic institute. The number of exposures performed ranged from 4 to 15 radiographs per patient measured. Entrance surface doses varied between 4.99 and 36.6 mGy, with an average of 12.6mGy. The doses to the ovaries and uterus ranged from 0.80 mGy to 5.8 mGy and 1.10mGy to 8.05 mGy, respectively. (author)

Effect of gamma irradiation at intermediate doses on the performance of reverse osmosis membranes

International Nuclear Information System (INIS)

Combernoux, Nicolas; Labed, Véronique; Schrive, Luc; Wyart, Yvan; Carretier, Emilie; Moulin, Philippe

2016-01-01

The goal of this study is to explain the degradation of Polyamide (PA) composite reverse osmosis membrane (RO) in function of the irradiation dose. Irradiations were performed with a gamma 60 Co source in wet conditions and under oxygen atmosphere. For different doses of 0.2 and 0.5 MGy with a constant dose rate of 0.5 kGy h −1 , RO membranes performances (NaCl retention, permeability) were studied before and after irradiation. ATR-FTIR, ion chromatography and gas chromatography were used to characterize structural modification. Results showed that the permeability of RO membranes irradiated at 0.2 MGy exhibited a small decrease, related to scissions of the PVA coating. However, retention did not change at this dose. At 0.5 MGy, permeability showed a large increase of a factor around 2 and retention began to decrease from 99% to 95%. Chromatography measurements revealed a strong link between permselectivity properties variation, ion leakage and oxygen consumption. Add to ATR-FTIR observations, these results emphasized that the cleavages of amide and ester bonds were observed at 0.5 MGy, more precisely the loss of hydrogen bonds between polyamide chains. By different analysis, modifications of the polysulfone layer occur until a dose of 0.2 MGy. - Highlights: • Irradiation of RO membranes at intermediate dose (0.2 and 0.5 MGy). • For a dose rate of 0.5 kGy h −1 RO membranes are radiation resistant until 0.2 MGy. • Cleavages of polymer bonds in the active layer at 0.5 MGy. • Decrease in permselectivity properties of the membrane at 0.5 MGy. • High oxygen consumption between 0.2 and 0.5 MGy related to the membranes degradation.

Report of questionnaire concerning the conditions and exposure doses at thoracoabdominal radiography and CT

International Nuclear Information System (INIS)

2009-01-01

Japan Association of Radiological Technologists, at 2 years after its presentation of the Guideline for Medical Radiation Exposure (2006), made a questionnaire in the title on its homepage on Nov. 6-Dec. 5, 2008, and this paper is its report. The questionnaire asked the conditions and exposure doses at thoracoabdominal radiography and CT: in the former, asked were conditions like the machine/detector, tube voltage, filter, incident angle, entrance plane dose (EPD) (mGy) etc., and 237 facilities including 56 public hospitals and 15 universities answered. EPD calculated by numerical dose determination was found to be 0.22 and 0.76 mGy at the frontal and lateral thoracic projection, respectively, which were less than the upper limit defined in International Atomic Energy Agency (IAEA) guidance (0.4 and 1.5 mGy). However, doses in 6 and 2.6% of facilities at the respective projection exceeded the IAEA levels. EPD at the frontal abdominal projection calculated was 2.22 mGy, and all facilities met with the IAEA demand level (<10 mGy). In the CT questionnaire, conditions asked were the machine manufacturer/brand, scanning mode and range, tube voltage, rotation time, beam width and pitch, slice width, CTDIvol (CT Dose Index weighted/pitch) (mGy) and so on, which 212 facilities involving 58 public hospitals and 14 universities answered. CTDIvol was found to be 91.7 mGy at head CT which greatly exceeded the maximal levels of International Commission of Radiological Protection (ICRP), IAEA and the Association (60, 50 and 65 mGy, respectively). CTDIvol at thoracic CT was 15.2 mGy (no standard upper limit at present), and at abdominal CT, 20.0 mGy (the same as the Association level). The latter suggested the suitable dose setting at this CT. Thus the problem at head CT was much highlighted here. (K.T.)

Preliminary evaluation of exposures of computerized tomography patients in Latin America: IAEA project RLA/9/67; Avaliacao preliminar das exposicoes de pacientes em tomografia computadorizada na America Latina: Projeto IAEA RLA/9/67

Energy Technology Data Exchange (ETDEWEB)

Kodlulovich, S.; Silveira, V. [Comissao Nacional de Energia Nuclear (CNEN), Rio de Janeiro, RJ (Brazil); Khoury, H.J. [Universidade Federal de Pernambuco (UFPE), Recife, PE (Brazil). Departamcnto de Energia Nuclear; and others

2013-07-01

The aim of this study was to obtain preliminary values of reference levels in CT . Were sent to each country forms with information of radiological protection and routine CT protocols. The CT dose index and absorbed dose to organs was estimated from the technical data for each equipment . The results showed that the total number of examinations performed 92 % are adult patients and 8 % are children. The most frequent examination of the skull was adult (40 % ) and abdomen for children (42 % ) . About the service , 67 % of the equipment are multicut and 76 % have specific protocols for pediatric patients. The CTDI{sub vol} values for head exams of adults vary between 2 and 352 mGy for pediatric patients under 1 year 1-191 mGy under 7 years old 5-335 mGy. For chest values ranged from 3 to 26 mGy for adults, between 1 and 89 mGy for children under 1 year and between 3-114 mGy for children between 1 and 7 years. Exams of the abdomen/pelvis of adults the range was 3-47 mGy , between 4-90 mGy for children under 1 year and between 2-31 mGy for children between 1 and 7 years. This study showed that although there are pediatric protocols, there is a wide variation in values of CTDl{sub vol} indicating a high potential for dose reduction. This result requires immediate action for optimization and implementation of diagnostic reference values in Latin America.

Olla originaalne ja tähelepandud / Eve Sepp

Index Scriptorium Estoniae

Sepp, Eve

1989-01-01

Tuntud daamide originaalehetest - tekstiilikunstnik Anna Gerretzi Ülle Kõutsi valmistatud kõrvarõngad, disainer Helle Gansi Katrin Amose loodud rinnanõel, raamatukogudirektrissi Anne Randeli Tiina Käeseli loodud ehted, arhitekt Marka Lõokese Kadri Mälgu loodud komplekt, kunstiteadlase Krista Kodrese Tiina Käeseli loodud komplekt, grimeerija Krista Pärdi abikaasa Rein Metsa loodud ehted

Oodatav tsensuuri moment on osa kunstilisest teostusest / Tiiu Leis

Index Scriptorium Estoniae

Leis, Tiiu

1998-01-01

Viljandis toimunud kunstipäevade "Kiriküüt" raames Pärnu-Ikla-Tartu-Tallinna maanteel valminud "Maantee näituse", kus pärnakaist esinevad Andrus Joonas, Sütevaka Andres, Taave Tuutmaa, Kadri Alesmaa, filmile (teost. Jasper Zoova) jäädvustamiseks korraldatud bussireisist ja intsidendist graffiti'ga kaetud bussi pärast.

Muhamed õpetab eestlasi kallist Tseiloni teed jooma / Andres Reimer

Index Scriptorium Estoniae

Reimer, Andres

2006-01-01

Sri Lanka päritolu ärimees Muhamed Rushdie Muhamed Farouk müüb Eestis kvaliteetset ja hinnalist Tseiloni teed. Farouk taunib paljude Eesti suurkaupluste eelistust töötada üksnes suurte tarnijate ja väikese sortimendiga ning soovitab eestlastel õppida oma elu korraldamisel jaapanlastelt. Kommenteerivad Priit Põiklik ja Kadri Aguraiuja

Tartu kevad / Juta Kivimäe

Index Scriptorium Estoniae

Kivimäe, Juta, 1952-

2003-01-01

Tartu Ülikooli maali õppetooli üliõpilaste näitus "Tartu kevad" Kastellaanimaja galeriis. Osalevad Kadri Ilves, Piret Mikkelsen, Anna Kainulainen, Anna Mägi, Jaan-Jürgen Klaus, Merike Orav, Irina Krivonogova, Angela Orro, Peeter Krosmann, Kärt Putk, Kadi Kängsepp, Jane Remm, Liina Laaser, Ode Taul, Sami Kalevi Makkonen, Maive Õunapuu

Absorbed dose thresholds and absorbed dose rate limitations for studies of electron radiation effects on polyetherimides

Science.gov (United States)

Long, Edward R., Jr.; Long, Sheila Ann T.; Gray, Stephanie L.; Collins, William D.

1989-01-01

The threshold values of total absorbed dose for causing changes in tensile properties of a polyetherimide film and the limitations of the absorbed dose rate for accelerated-exposure evaluation of the effects of electron radiation in geosynchronous orbit were studied. Total absorbed doses from 1 kGy to 100 MGy and absorbed dose rates from 0.01 MGy/hr to 100 MGy/hr were investigated, where 1 Gy equals 100 rads. Total doses less than 2.5 MGy did not significantly change the tensile properties of the film whereas doses higher than 2.5 MGy significantly reduced elongation-to-failure. There was no measurable effect of the dose rate on the tensile properties for accelerated electron exposures.

The effects of low dose radiation (LDR) on mice of immune function

International Nuclear Information System (INIS)

Feng Li; Deng Daping

2007-01-01

Objective: To find out the Effects of Low Dose Radiation(LDR) on mice of immune function. Methods: Through flow cytometry to observe and analyse the effects of the leukomonocyte. Through immunohistochemistry to study IL-2, TNF-α. Results: At dose of 100mGy the stimulative effect on CD 4 + cells, CD 8 + cells and NK activity was higher than that at other doses. At dose of 500mGy leukomonocyte activity was lower. At dose of 100mGy, the colorations about IL-2, TNF-α deepen. Conclusion: LDR could stimulate immune function, especially at dose of 100mGy. while at dose of 500mGy, radiation could restrain the leukomonocyte activity. (authors)

Berlinale terad / Kadri Kõusaar

Index Scriptorium Estoniae

Kõusaar, Kadri

2006-01-01

56. Berliini festivali filme - Jasmila Zhbanici "Grbavica", Michael Winterbottomi, Mat Whitecrossi "Teekond Guantanamosse", tailase Pen-ek Ratanaruangi "Nähtamatud lained", John Hillcoati "Ettepanek" (stsenarist ja muusika autor Nick Cave), Bennett Milleri "Capote" (nimiosas P.S. Hoffman), Yang Yong-hi dokfilm "Kallis Pyongyang", Tomer Heymanni dokfilm "Pabernukud"

Pretensioonikas embus / Kadri Kõusaar

Index Scriptorium Estoniae

Kõusaar, Kadri

2007-01-01

Mängufilm "Paabel" ("Babel") : stsenarist Guillermo Arriaga : režissöör Alejandro Gonzalez Inarritu : operaator Rodrigo Prieto : peaosades Cate Blanchett, Brad Pitt, Gael Garcia Bernal : Ameerika Ühendriigid - Mehhiko, 2006

Neokonservatiivne kultuuriteooria / Kadri Asmer

Index Scriptorium Estoniae

Asmer, Kadri, 1985-

2015-01-01

Neokonservatiivse kultuuriteooria iseloom ja kujunemispõhjused, neokonservatiivsete ideede aktuaalsus kaasaegses kunstimaailmas ja liberaalses kultuuripoliitikas. Liberalismi ja konservatismi vahekord praeguses eesti kultuurisituatsioonis. Neokonservatiivne kultuuriteooria on kõige selgemalt kujunenud Ameerika Ühendriikides, millest lähtuvalt on artikli keskmes USA

Dosimetry for Patients undergoing Radiographic Examinations in Sudan

International Nuclear Information System (INIS)

Halato, M.A.; Kafi, S.T.; Ahmed, A.M.; Sid Ahamed, F.A.; Ibrahim, Z.; Suliman, M.F.; Suliman, I.I.

2009-01-01

In this study we estimated the entrance skin doses ESDs for patients undergoing selected diagnostic X -ray examinations in two large public hospitals in Khartoum state, Sudan. The study included the examinations of the chest posterior-anterior (PA) , skull antero-posterior (AP), skull Lateral (LAT) , Lumber spine AP/LAT, abdomen Intravenous urogram (IVU) and Pelvis AP. Totally, 241 patients were included in this study. ESDs were estimated from patients specific exposure parameters using established relation between output (μ Gy/mAs) and tube voltage (kVp). The estimated ESDs ranged from 0.18 - 1.05 mGy for chest PA, 0.98 - 3.48 mGy for Skull (AP), 0.66 - 2.75 mGy for skull (LAT), 1.22 - 4.35 mGy for abdomen (IVU), 1.18 - 5.75 mGy for Pelvis, 1.52 - 5.01 mGy Lumbar spine AP and 2.48 - 10.41 mGy for Lumbar spine (LAT). These values compare well with the international reference dose levels. This study provides additional data that can help the regulatory authority to establish reference dose level for diagnostic radiology in Sudan

Tartu noored kunstnikud salapärasuse vaimustuses / Margus Kiis

Index Scriptorium Estoniae

Kiis, Margus

2003-01-01

Tartu Noorte Kunstnike Näitusest Tartu Kunstnike Majas. Iseloomustatud Priit Pajose, Lauri Pajose, Margus Pumpa, Andres Sütevaka, Kaie Luige, Maris Palgi, Külli Suitso, Kadri Kängsepa, Peeter Krossmani, Saimi Kalevi Makkoneni, Kaarel Vulla, Katri Kuuski, Väike Tomi, Meiu Mündi, Karol Kagovere, Meta Narusbeli, Aili Penti, Kene Triive ja Raivo Irdi töid

Julgus palgata puuetega inimesi annaks töökäsi / Agne Narusk

Index Scriptorium Estoniae

Narusk, Agne, 1971-

2005-01-01

AS-is Standard töötab neli puudega töömeest. Tööandjate keskliidu infojuhi Kadri Seederi hinnangul on mööda saamas aeg, mil tööandjad pelgasid puudega töötajatega kaasnevaid lisakohustusi. Lisa: Tasuta abivahendid. 2002. aasta uuringu kohaselt töötas 27% puudega inimestest. Tugiisiku abi

Kolm näitust, neli kunstnikku, sada õit / Tanel Veenre

Index Scriptorium Estoniae

Veenre, Tanel, 1977-

2011-01-01

Imbi Ploompuu keraamika ja graafika näitus Eesti Tarbekunsti- ja Disainimuuseumis 4. sept.-ni. Kätrin Beljajevi ja Pilleriin Jürisoo ehtenäitus "Herbaarium" Tallinnas Iida galeriis 31. aug.-ni. Maiu Moosese ehtenäitus "Tänu" Tallinnas Hop-galeriis 19. juulini 2011. Linnainstallatsioonide festivali tööst "Audiotuur", autor arhitekt Kadri Klementi

17. aprill : rahvusvaheline tuutorprojekt

Index Scriptorium Estoniae

2001-01-01

17. apr. 2001 toimus esimene rahvusvaheline workshop "International Tutoring", eesmärk : koostöö arendamine välisülikoolidega tuutoritegevuse edendamisel ning kogemuste vahetamisel. Osalesid Eesti ülikoolide üliõpilased ja 45 Vantaa-Espoo polütehnikumi üliõpilast Soomest. Eestvedajateks TPÜ üliõpilasesinduse liikmed Katriina Vasarik, Kadri Kiigema ja Sulev Senkel

Dave Benton laulab Peetri kirikus / Arvo Uustalu

Index Scriptorium Estoniae

Uustalu, Arvo, 1964-

2004-01-01

Poplaulja Dave Bentoni ja Eesti Televisiooni lastekoori kontserdist 20. dets. Tartu Peetri kirikus. Peetri kirikus heategevuskontserdil "Tee rõõmsaks mind, kui sul on aega" 28. dets. laulavad Katrin Pärn, Toomas Lunge, Kait Tamra ja Indrek Kalda. Rein Rannapi viisistatud kantaati "Ilus maa" esitab Kadri Leppoja juhatusel ja Urmas Taniloo saatel M. Härma gümnaasiumi segakoor

Rahvusvaheliselt pärjatud õpivara eesti keeles ja kirjanduses / Helin Puksand, Reet Bobõlski, Margit Ross ; intervjueeris Krista Kerge

Index Scriptorium Estoniae

Puksand, Helin, 1970-

2015-01-01

Eesti õpivarale antud rahvusvahelised auhinnad: Best European Learning Material Silver Award 2014 Helin Puksandi, Reet Bobõlski ja Margit Rossi eesti keele õpikule "Punkt" (2013) ja Best European Schoolbook Silver Award 2012 samade autorite eesti keele õpikule "Peegel 3" (2011). Best European Schoolbook Bronze Award 2006 Jaanus Vaiksoo, Sirje Toomla ja Kadri Liivese aabitsale "Ilus emakeel" (2005).

English for lawyers / Liina Soobik ; [preface: Peep Pruks

Index Scriptorium Estoniae

Soobik, Liina, 1955-

2001-01-01

Kasutatud tekstide autorid: Peep Pruks, Merit-Ene Ilja, Ilona Nurmela, Kristi Raba, Andreas Kangur, Raul Narits, Peeter Roosma, Kalle Merusk, Maret Altnurme, Jaan Ginter, Aare Tark, Norman Aas, Lasse Lehis, Hannes Veinla, Jaan Sootak, Eerik Kergandberg, Paul Varul, Jaanus Ots, Urve Liin, Irene Kull, Merle Muda, Gaabriel Tavits, Andres Vutt, Kadri Siibak, Ellen Ridaste, Heiki Pisuke, Andrus Siibak

Rootsil on põhjust muret tunda / Joel Haukka

Index Scriptorium Estoniae

Haukka, Joel

2008-01-01

Rahvusvaheliste Kaitseuuringute Keskuse juhataja Kadri avaldas intervjuus Rootsi ajalehele Dagens Nyheter mõtteid, et Venemaalt tuleks võtta Sotši taliolümpia korraldamise võimalus 2012. aastal, külmutada poliitikute ja ettevõtete juhtide kahtlased pangaarved läänes ja katkestada läbirääkimised EL-i ja Venemaa vahel viisavabadusest

Eesti mängufilmid võitsid jälle

Index Scriptorium Estoniae

2007-01-01

Veiko Õunpuu mängufilm "Sügisball" sai 48. Thessaloniki filmifestivalil parima režii auhinna, Ilmar Raagi "Klass" Makedoonias Skopjes 6. Euroopa filmide festivalil CinEdays peaauhinna Kuldne Täht, Kadri Kõusaare "Magnus" Minskis festivalil "Listopad" žürii diplomi ja Marko Raadi "Nuga" Peterburis 10. festivalil "Deboshir Film - Puhtad unelmad" žürii auhinna

Näidendivõistluse võitis lugu buumijärgsest ängist / Kaarel Kressa

Index Scriptorium Estoniae

Kressa, Kaarel, 1983-

2011-01-01

Eesti teatriagentuuri näidendivõistluse võitis Piret Jaaks näidendiga "Näha roosat elevanti", teise koha said Jan Rahmani "Lell" ja Donald Tombergi "Andmed Liina Pihlapuust" ning kolmanda koha Paavo Piik "Keti lõpp" ja Kadri Noormets "GO NEO UND ROMANTIX". Lühinäidendi eripreemia läks Küllike Veedele "Puudutamata" eest

Isiklik puudutus Pärnust / Siram

Index Scriptorium Estoniae

Siram, pseud., 1968-

2004-01-01

Andrus Joonase kureeritud näitus "Kunst on halb, kunst on hea" Pärnu Uue Kunsti Muuseumis 20. X-20. XI. Mila Balti, Toomas Kuusingu, Asta Isaki, Pille Neeve, Remo Randveri, Ville-Karel Viirelaiu, Non Grata, Mark Soosaare, Svea Aaviku, Meeland Sepa, Andrus Joonase, Urmas Martinsoni, Kadri Alesmaa, Jaak Visnapi ja Viljar Kõivu töödest

Evaluation of radiation dose during the percutaneous angioplasty for arteriovenous shunt assembling

International Nuclear Information System (INIS)

Ting, Chien-Yi; Wu, Wen-Shiann; Tang, Kuo-Ting; Wang, Hsin-Ell; Lin, Chun-Chih

2017-01-01

Percutaneous angioplasty (PTA) for dysfunctional hemodialysis is usually performed by radiologists, but not cardiologists, in Taiwan, so that the radiation dose in patients and physicians are usually unknown and related studies are rare. In this study, we are pioneering an investigation into the radiation dose in percutaneous angioplasty for arteriovenous shunt assembling and the effect of RADPAD device, a lead-free surgical drape containing Bi and Ba, on the decrease of a radiation dose in the non-targeted organs of the patient and also the operator. The radiation dose in a typical digital subtraction angiography (DSA) by the PTA protocol under a fixed field of view (FOV), was measured with optically simulated luminescent dosimeters arranged in a PIXY RS-102 anthropomorphic phantom. The results indicate that there is a significant dose reduction at the hands (0.022±0.002 mGy before treatment vs. 0.014±0.001 mGy after treatment; P=0.021), but not at the lens (0.027±0.003 mGy before treatment vs. 0.018±0.001 mGy after treatment; P=0.058), and the gonads (0.026±0.003 mGy before treatment vs. 0.020±0.001 mGy after treatment; P=0.058), of the cardiologist/operator after treatment with the RADPAD drape. At the patient's abdomen, the dose significantly decreased from 1.597±0.104 mGy to 0.031±0.002 mGy (P<0.001) after treated with the RADPAD shield. For the chest, lens and thyroid in the patient, the doses were respectively 0.154±0.100 mGy (compared to 0.049±0.001 mGy after treated with the RADPAD drape; P=0.0002), 0.066±0.001 mGy (compared to 0.021±0.001 mGy after the RADPAD treatment; P=0.009), and 0.208±0.002 mGy (compared to 0.042±0.003 mGy after shielded with the RADPAD drape; P<0.0001), which represents an apparent reduction in dose. However, no significant difference was found in the dose-area product between before (179.9±0.1mGy.cm 2 ) and after (177.4±0.1mGy.cm 2 ) the treatment (P=0.38). In conclusion, the RADPAD drape significantly reduced

Dose evaluation in special fluoroscopy procedures: Hysterosalpingography and Dacryocystography; Avaliacao de dose em procedimentos especiais de fluoroscopia: histerossalpingografia e dacriocistografia

Energy Technology Data Exchange (ETDEWEB)

Lopes, Cintya Carolina Barbosa

2006-04-15

The hysterosalpingography (HSG) and dacryocystography (DCG) are among the special fluoroscopy procedures. The HSG is a radiodiagnostic technique used to detect uterine and tubal pathologies and it is fundamental for the investigation of infertility. The DCG is a form of lacrimal system imaging, being important to show the level of obstruction, the presence of dilatation of the lacrimal sac, as well as alterations in nearby structures. At this research, the study of skin entrance dose was evaluated for these two special fluoroscopy procedures, besides the analyses of staff doses whose performs the exams. The exams of 22 HSG patients and 8 DCG patients were evaluated using TL-100 dosimeters attached on patient' skin at anatomical landmarks evolved on each exam. In the case of HSG, the results showed that skin entrance doses varied from 0.5 mGy to 73.4 mGy, with an average value of 22.1 mGy. The estimated uterus dose was 5.5 mGy, and 6.6 mGy was the average dose estimated to the ovaries. The patient' skin entrance dose undergoing to DCG examinations varied from 2.1 mGy to 10.6 mGy, and the average eye's dose was 6.1 mGy. The results of staff dose showed that, on HSG, the average dose on doctor's right hand was 4.3 mGy per examination. This value had to the fact that the physician introduces the contrast manually while all contrast exposures. In relation of DCG, the staff's dose values were nearby background radiation, evidencing that, inside of permitted limits, there is no risk for the physicians at this procedure. (author)

Dose evaluation in special fluoroscopy procedures: Hysterosalpingography and Dacryocystography

International Nuclear Information System (INIS)

Lopes, Cintya Carolina Barbosa

2006-04-01

The hysterosalpingography (HSG) and dacryocystography (DCG) are among the special fluoroscopy procedures. The HSG is a radiodiagnostic technique used to detect uterine and tubal pathologies and it is fundamental for the investigation of infertility. The DCG is a form of lacrimal system imaging, being important to show the level of obstruction, the presence of dilatation of the lacrimal sac, as well as alterations in nearby structures. At this research, the study of skin entrance dose was evaluated for these two special fluoroscopy procedures, besides the analyses of staff doses whose performs the exams. The exams of 22 HSG patients and 8 DCG patients were evaluated using TL-100 dosimeters attached on patient' skin at anatomical landmarks evolved on each exam. In the case of HSG, the results showed that skin entrance doses varied from 0.5 mGy to 73.4 mGy, with an average value of 22.1 mGy. The estimated uterus dose was 5.5 mGy, and 6.6 mGy was the average dose estimated to the ovaries. The patient' skin entrance dose undergoing to DCG examinations varied from 2.1 mGy to 10.6 mGy, and the average eye's dose was 6.1 mGy. The results of staff dose showed that, on HSG, the average dose on doctor's right hand was 4.3 mGy per examination. This value had to the fact that the physician introduces the contrast manually while all contrast exposures. In relation of DCG, the staff's dose values were nearby background radiation, evidencing that, inside of permitted limits, there is no risk for the physicians at this procedure. (author)

Study on human mesenchymal stem cells from bone marrow pretreated with low dose radiation

International Nuclear Information System (INIS)

Yang Yan; Wang Guangjun; Wang Juan

2008-01-01

Objective: To study effects of human bone marrow mesenchymal stem cells (hBM-MSC) from bone marrow pretreated with low dose radiation (LDR). Methods: The cells were the hBM-MSC. They were exposed to X rays at the dose of 50 mGy, 75 mGy, 100 mGy (dose rate 12.5 mGy/min). The growth curve, cell cycle and apoptosis of hBM-MSC treated by LDR were investigated. The content changes of stem cell factor(SCF), interleukin-6 (IL-6), macrophage colony stimulating factor(M-CSF) secreted by hBM-MSC after treated by LDR were determined by enzyme linked immunosorbent assay method. Results: The growth rates of hBM-MSC treated by LDR obviously increase from 72 h. The cell cycle and apoptosis were examined with FORTRAN Atomatic Checkout Systom. The results show that the G 0 /G 1 stage cells decrease after exposure to LDR, the percent of G 0 /G 1 stage cells of 75 mGy at 72 h is the lowest(30.86%). However, the S stage cells percentage gradually increase at 48 h and 72 h. The most one is 75 mGy group at 72 h, which reaches to 68.88%. The apoptosis percentages have increased tendency at 24 h and 48h in all dose groups, especially in 100 mGy at 24 h(25.99%), while have decreased tendency at 72 h and the most decreased group is the 50 mGy(6.8%), transient enhancement of apoptosis in the early stage and soon being decreased. The contents of SCF have increased tendency at 24 h, 48 h. As for IL-6, the contents in different dose groups at 24 h and 48 h have up-regulation. These groups, 50 mGy at 24 h, 48 h, 75 mGy at 24 h, 48 h, 100 mGy at 24 h have statistical difference compared with their control groups respectively. The content of IL-6 has greatest enhancement at dose of 50 mGy. The contents of M-SCF in all the groups at 24 h, 48 h and 72 h except for the 50 mGy dose at 72 h have also been found increased. The greatest increased content occur in the 75 mGy dose group at 72 h. Conclusion: This conclusion show that LDR has hormesis effect on hBM-MSC in cell growth, cell cycle and content

Patient exposures in Swedish diagnostic radiology

International Nuclear Information System (INIS)

Bengtsson, G.; Blomgren, P.-G.; Bergman, K.; Aaberg, L.

1977-01-01

Variations in doses between individuals and hospitals are discussed. Mean values and collective doses for Sweden are estimated. The mean annual collective dose per individual was estimated as follows: thyroid 0.75 mGy; mammae 0.54 mGy; lungs 0.64 mGy; bone marrow 0.92 mGy; ovaries 0.68 mGy and testes 0.65 mGy. The genetically significant dose was estimated as 0.7 mGy, a doubling since 1955. The annual mean whole body dose calculated from the energy imparted was 1.00 mGy. These figures should be subject to errors of about a factor of 2, mainly originating from the poor sampling technique. Some simplified risk estimates relating to the various examinations are made using the mean organ doses. These estimates indicated that within a factor of 3 up or down, the overall cancer risk might be 10 -4 J -1 , that is, an imparted energy of 10 000 J would lead to one radiation induced cancer. The estimate would apply to all examinations except those on extremities. The estimate of radiation induced cancer, uncertain as it may be, totals 8 cases per million Swedes per year, which is small compared with the natural cancer incidence of about 2000 per million and year. No corresponding simplification using energy absorbed seemed possible concerning the genetic risks. The study shows that using available examination techniques a dose reduction by a factor of 2 or more should be po

An investigation into CT radiation dose variations for head examinations on matched equipment

International Nuclear Information System (INIS)

Zarb, Francis; Foley, Shane; Toomey, Rachel; Rainford, Louise; Holm, Susanne; Evanoff, Michael G.

2016-01-01

This study investigated radiation dose and image quality differences for computed tomography (CT) head examinations across centres with matched CT equipment. Radiation dose records and imaging protocols currently employed across three European university teaching hospitals were collated, compared and coded as Centres A, B and C from specification matched CT equipment models. Patient scans (n = 40) obtained from Centres A and C were evaluated for image quality, based on the visualisation of Commission of European Community (CEC) image quality criteria using visual grading characteristic (VGC) analysis, where American Board of Radiology examiners (n = 11) stated their confidence in identifying anatomical criteria. Mean doses in terms of CT dose index (CTDI vol -mGy) and dose length product (DLP-mGy cm) were as follows: Centre A-33.12 mGy and 461.45 mGy cm; Centre B -101 mGy (base)/32 mGy (cerebrum) and 762 mGy cm and Centre C-71.98 mGy and 1047.26 mGy cm, showing a significant difference (p ≤ 0.05) in DLP across centres. VGC analysis indicated better visualisation of CEC criteria on Centre C images (VGC AUC 0.225). All three imaging protocols are routinely used clinically, and image quality is acceptable in each centre. Clinical centres with identical model CT scanners have variously customised their protocols achieving a range of dose savings and still resulting in clinically acceptable image quality. (authors)

Occupational and patient exposure in coronary angiography procedures

International Nuclear Information System (INIS)

Sulieman, A.; Alzimami, K.; Gafar, R.; Babikir, E.; Alsafi, K.; Suliman, I.I.

2014-01-01

Cardiac catheterization is the gold standard in the diagnosis and management of coronary artery diseases. The objectives of this study were to evaluate the radiation dose of patients and staff during cardiology procedures. Staff was monitored using thermoluminescence dosimeter (TLD) chips for 86 procedures. The mean patient dose was 2813.6 µGy m 2 and the mean fluoroscopic time was 4.8 min. The mean radiation doses for cardiologists were 0.9 mGy for the forehead, 0.92 mGy for the thyroid, 1.38 mGy for the chest, 1.28 mGy for the waist and 1.41 mGy for the hand. The mean radiation doses for assistants were 0.72 mGy for the chest, 0.82 mGy for the hand. High patient and staff exposure is due to lack of experience and protective equipment, exacerbated by a high workload. Interventional procedures remain operator dependent; therefore, continuous training is crucial. - Highlights: • Patients and staff radiation doses were evaluated during coronary angiography procedures. • Radiation doses were measured using calibrated TLD GR200A. • Radiation doses to patients and staff are comparable with previous studies. • Patient radiation doses fall below the threshold for radiation-induced skin injuries

Determination of gonad, eye and bone marrow doses with EMI-5005 head and whole body scans

International Nuclear Information System (INIS)

Nishizawa, Kanae; Iwata, Takeo; Furuya, Yoshiro; Maruyama, Takashi; Hashizume, Tadashi.

1979-01-01

Dose determinations of tissues and organs during head and whole body scanning with an EMI computed tomographic equipment have been carried out using a Rando woman phantom. The surface dose on the phantom was measured with a Sakura lith Contact film dosimeter system. The absorbed doses in the eyes, thyroids, ovaries and the bone marrow were measured with a thermoluminescent dosimeter. The resultant surface doses for head scanning were 2.8 rad (28 mGy) per scan at maximum and 0.26 rad (2.6 mGy) per scan at minimum, and the doses for whole body scanning were 2.7 rad (27 mGy) per scan at maximum and 0.1 rad (1.0 mGy) per scan at minimum. For the complete gynecological scanning consisting of 8 slices, the eye, thyroid, ovary and the bone marrow dose was 2.4 mrad (24 μGy), 3.5 mrad (35 μGy), 500 mrad (5 mGy) and 225 mrad (2.25 mGy), respectively. And, for a typical head scanning consisting of 5 slices, the eye, thyroid, ovary and the bone marrow dose was 1400 mrad (14 mGy), 46 mrad (460 μGy), 0.60 mrad (6 μGy) and 73 mrad (730 μGy), respectively. (author)

SU-F-I-46: Optimizing Dose Reduction in Adult Head CT Protocols While Maintaining Image Quality in Postmortem Head Scans

International Nuclear Information System (INIS)

Lipnharski, I; Carranza, C; Quails, N; Correa, N; Rajderkar, D; Bennett, J; Rill, L; Arreola, M

2016-01-01

Purpose: To optimize adult head CT protocol by reducing dose to an appropriate level while providing CT images of diagnostic quality. Methods: Five cadavers were scanned from the skull base to the vertex using a routine adult head CT protocol (120 kVp, 270 mA, 0.75 s rotation, 0.5 mm × 32 detectors, 70.8 mGy CTDIvol) followed by seven reduced-dose protocols with varying combinations of reduced tube current, reduced rotation time, and increased detectors with CTDIvol ranging from 38.2 to 65.6 mGy. Organ doses were directly measured with 21 OSL dosimeters placed on the surface and implanted in the head by a neurosurgeon. Two neuroradiologists assessed grey-white matter differentiation, fluid space, ventricular size, midline shift, brain mass, edema, ischemia, and skull fractures on a three point scale: (1) Unacceptable, (2) Borderline Acceptable, and (3) Acceptable. Results: For the standard scan, doses to the skin, lens of the eye, salivary glands, thyroid, and brain were 37.55 mGy, 49.65 mGy, 40.67 mGy, 4.63 mGy, and 27.33 mGy, respectively. Two cadavers had cerebral edema due to changing dynamics of postmortem effects, causing the grey-white matter differentiation to appear less distinct. Two cadavers with preserved grey-white matter received acceptable scores for all image quality features for the protocol with a CTDIvol of 57.3 mGy, allowing organ dose savings ranging from 34% to 45%. One cadaver allowed for greater dose reduction for the protocol with a CTDIvol of 42 mGy. Conclusion: Efforts to optimize scan protocol should consider both dose and clinical image quality. This is made possible with postmortem subjects, whose brains are similar to patients, allowing for an investigation of ideal scan parameters. Radiologists at our institution accepted scan protocols acquired with lower scan parameters, with CTDIvol values closer to the American College of Radiology’s (ACR) Achievable Dose level of 57 mGy.

SU-F-I-46: Optimizing Dose Reduction in Adult Head CT Protocols While Maintaining Image Quality in Postmortem Head Scans

Energy Technology Data Exchange (ETDEWEB)

Lipnharski, I; Carranza, C; Quails, N; Correa, N; Rajderkar, D; Bennett, J; Rill, L; Arreola, M [University of Florida, Gainesville, FL (United States)

2016-06-15

Purpose: To optimize adult head CT protocol by reducing dose to an appropriate level while providing CT images of diagnostic quality. Methods: Five cadavers were scanned from the skull base to the vertex using a routine adult head CT protocol (120 kVp, 270 mA, 0.75 s rotation, 0.5 mm × 32 detectors, 70.8 mGy CTDIvol) followed by seven reduced-dose protocols with varying combinations of reduced tube current, reduced rotation time, and increased detectors with CTDIvol ranging from 38.2 to 65.6 mGy. Organ doses were directly measured with 21 OSL dosimeters placed on the surface and implanted in the head by a neurosurgeon. Two neuroradiologists assessed grey-white matter differentiation, fluid space, ventricular size, midline shift, brain mass, edema, ischemia, and skull fractures on a three point scale: (1) Unacceptable, (2) Borderline Acceptable, and (3) Acceptable. Results: For the standard scan, doses to the skin, lens of the eye, salivary glands, thyroid, and brain were 37.55 mGy, 49.65 mGy, 40.67 mGy, 4.63 mGy, and 27.33 mGy, respectively. Two cadavers had cerebral edema due to changing dynamics of postmortem effects, causing the grey-white matter differentiation to appear less distinct. Two cadavers with preserved grey-white matter received acceptable scores for all image quality features for the protocol with a CTDIvol of 57.3 mGy, allowing organ dose savings ranging from 34% to 45%. One cadaver allowed for greater dose reduction for the protocol with a CTDIvol of 42 mGy. Conclusion: Efforts to optimize scan protocol should consider both dose and clinical image quality. This is made possible with postmortem subjects, whose brains are similar to patients, allowing for an investigation of ideal scan parameters. Radiologists at our institution accepted scan protocols acquired with lower scan parameters, with CTDIvol values closer to the American College of Radiology’s (ACR) Achievable Dose level of 57 mGy.

Dose evaluation in special fluoroscopy procedures: Hysterosalpingography and Dacryocystography; Avaliacao de dose em procedimentos especiais de fluoroscopia: histerossalpingografia e dacriocistografia

Energy Technology Data Exchange (ETDEWEB)

Lopes, Cintya Carolina Barbosa

2006-04-15

The hysterosalpingography (HSG) and dacryocystography (DCG) are among the special fluoroscopy procedures. The HSG is a radiodiagnostic technique used to detect uterine and tubal pathologies and it is fundamental for the investigation of infertility. The DCG is a form of lacrimal system imaging, being important to show the level of obstruction, the presence of dilatation of the lacrimal sac, as well as alterations in nearby structures. At this research, the study of skin entrance dose was evaluated for these two special fluoroscopy procedures, besides the analyses of staff doses whose performs the exams. The exams of 22 HSG patients and 8 DCG patients were evaluated using TL-100 dosimeters attached on patient' skin at anatomical landmarks evolved on each exam. In the case of HSG, the results showed that skin entrance doses varied from 0.5 mGy to 73.4 mGy, with an average value of 22.1 mGy. The estimated uterus dose was 5.5 mGy, and 6.6 mGy was the average dose estimated to the ovaries. The patient' skin entrance dose undergoing to DCG examinations varied from 2.1 mGy to 10.6 mGy, and the average eye's dose was 6.1 mGy. The results of staff dose showed that, on HSG, the average dose on doctor's right hand was 4.3 mGy per examination. This value had to the fact that the physician introduces the contrast manually while all contrast exposures. In relation of DCG, the staff's dose values were nearby background radiation, evidencing that, inside of permitted limits, there is no risk for the physicians at this procedure. (author)

Evaluation of an exposed-radiation dose on a dual-source cardiac computed tomography examination with a prospective electrocardiogram-gated fast dual spiral scan

International Nuclear Information System (INIS)

Matsubara, Kosuke; Koshida, Kichiro; Koshida, Haruka; Sakuta, Keita; Hayashi, Hiroyuki; Takata, Tadanori; Horii, Junsei; Kawai, Keiichi; Yamamoto, Tomoyuki

2012-01-01

We evaluated exposed-radiation doses on dual-source cardiac computed tomography (CT) examinations with prospective electrocardiogram (ECG)-gated fast dual spiral scans. After placing dosimeters at locations corresponding to each of the thoracic organs, prospective ECG-gated fast dual spirals and retrospective ECG-gated dual spiral scans were performed to measure the absorbed dose of each organ. In the prospective ECG-gated fast dual spiral scans, the average absorbed doses were 5.03 mGy for the breast, 9.96 mGy for the heart, 6.60 mGy for the lung, 6.48 mGy for the bone marrow, 9.73 mGy for the thymus, and 4.58 mGy for the skin. These values were about 5% of the absorbed doses for the retrospective ECG-gated dual spiral scan. However, the absorbed dose differed greatly at each scan, especially in the external organs such as the breast. For effective and safe use of the prospective ECG-gated fast dual spiral scan, it is necessary to understand these characteristics sufficiently. (author)

[Lutsuvad kivid : helisalvestis : kirjanikud muusikas / koostanud Aapo Ilves] / Veiko märka

Index Scriptorium Estoniae

Märka, Veiko, 1964-

2013-01-01

CD “Lutsuvad kivid. Kirjanikud muusikas” on valminud Tartu Oskar Lutsu nim. Linnaraamatukogu ja Tartu kirjandusfestivali Prima Vista ühisel ettevõtmisel, et tähistada kaht sünnipäeva – Lutsu raamatukogu 100 ja Prima Vista 10

Cannes'i viimane tulevärk / Merit Kask

Index Scriptorium Estoniae

Kask, Merit

2007-01-01

60-nda Cannes'i filmifestivalil hindavad kriitikud kõrgelt Christian Mungiu "Neli kuud, kolm nädalat ja kaks päeva" (Rumeenia) ; Ethan ja Joel Coen'i "Pole maad vanadele meestele" ("No Country for Old Men" ; Ameerika Ühendriigid). Steven Soderberghi "Oceani kolmteist" pressikonverentsist. Eesti filmide saatusest filmiturul (Kadri Kõusaare "Magnus", Ilmar Raagi "Klass", Veiko Õunpuu "Sügisball")

Lõunamereline villa = Mediterrarean Villa in Southern Estonia / Regina Viljasaar

Index Scriptorium Estoniae

Viljasaar, Regina

2004-01-01

Kahetasandiline hoone umbtänava lõpus, mäe serval. Rõdult viib laudtee mäeveerel asuvasse klaaspaviljoni. Projekteerija: Agabush, Endjärv & Truverk Arhitektid OÜ. Autorid Illimar Truverk, Eero Endjärv, Mattias Agabush, kaasa töötas Kadri Tamre. Sisekujundaja Anu Vainomäe. Insener Tõnu Peipman. 2 välis- ja 2 sisevaadet, värv

Ammende pakub suvemuusikat / Silja Joon

Index Scriptorium Estoniae

Joon, Silja, 1966-

2007-01-01

Kontsertidest Pärnus Ammende villas: 5. juulil "Mõeldes Sinule" (Laura Põldvere, Jorma Toots, Marti Tärn, Ahto Abner), 12. juulil Kadri Voorand, Jürmo Eespere, Mihkel Mälgand ja Tanel Ruben, 19. juulil Tõnu Naissoo, Raul Vaigla ja Marko Naissoo kontserdiga "Tõnu Naissoo Eclectic Electric Trio", 26. juulil Holger Marjamaa kvartett (Holger Marjamaa, Mairo Marjamaa, Peedu Kass ja Dmitri Nikolajevski)

Vabadussõja võidusammas trügib T-särgile ja kruusile / Mari Kodres

Index Scriptorium Estoniae

Kodres, Mari

2009-01-01

Heakskiitu ootavad võidusamba sümboolikaga T-särgi kujundus, metall- või savikruus ja kaks eri kujundusega pudelit. Meenete idee autor Ants Ollis. Samba ühe autori Rainer Sternfeldi sõnul kuuluvad samba varalised õigused kaitsemininisteeriumile, kunstilised samba autoritele (Rainer Sternfeld, Andri Laidre, Kadri Kiho, Anto Savi) ning samba kujutist võivad inimesed kasutada vabalt ja heale tavale vastavalt

Naised, kes toovad naeratuse näole / Katrin Oja

Index Scriptorium Estoniae

Oja, Katrin

2006-01-01

Heast teenindusest räägivad Eesti Gaasi juhatuse esimehe assistent, Aasta Sekretär 2005 Tiivi Lind, lounge 8 baaridaam Kadri Kask ja Sampo Panga koolitusspetsialist, Aasta Teenindaja 2006 Aires Rühka. Kommenteerivad nende ülemused - Sampo Panga koolitusosakonna juhataja Külli Meier, Eesti Gaasi juhatuse esimees Aarne Saar ja lounge 8 mänedžer Heinar Õispuu

Venemaa imperialistlik identiteet ja Lääne võimalused / Marko Mihkelson

Index Scriptorium Estoniae

Mihkelson, Marko, 1969-

2005-01-01

USA välispoliitika üks suurimaid mõjutajaid George Kennan sõnastas 1947. aastal uue Vene-poliitika põhimõtted. Lääneriikide ohjelduspoliitika NSV Liidu lagundajana, Moskva välispoliitika, demokraatlike väärtuste kadumine ning valitsev inimvihkajalik ideoloogia, Venemaa imperiaalne identiteet. Vt samas: Katkendeid George Kennani artiklist "The sources of Soviet Conduct", tõlk. Kadri Liik

Iskusstvo objekta / Galina Balashova

Index Scriptorium Estoniae

Balashova, Galina

2006-01-01

Tallinna IV rakenduskunsti triennaalist "Kaks lähedast" Eesti Tarbekunsti- ja Disainimuuseumis. Triennaali erikülalise inglise ehtekunstniku Wendy Ramshaw ehtesarjast "Picasso's ladies". Maris Galise, Krista Leesi, Andrea Petrakovièi, Rozemarijn Van der Moleni, Kärt Summataveti, Hilde Foksi, Jurgita Erminaite, Piret Valgu, Jurate Petruskeviciene, Tine Deweerdt'i, Ave Maseri ja Kadri Pärnametsa töödest näitusel

Üks uks Eesti ja Jaapani vahel : köitekunst kohtub animatsiooniga / Maarja Undusk

Index Scriptorium Estoniae

Undusk, Maarja

2003-01-01

Eestis viibiv jaapanlanna Maya Yonesho (sünd. 1965) hakkab tegema stipendiaadifilmi "Üks uks". Raamat-uksed teevad valmis eesti nahakunstnikud Külli Grünbach, Rene Haljasmäe, Pille Kivihall, Helen Maran-Poll, Lennart Mänd, Tiina Piisang, Jane Rannamets ja Maarja Undusk. Filmi muusika autor Sven Grünberg. M. Yonesho juhendas nahakunstnik Kadri Halliku diplomitööd

Kelle rahanõuandeid kuulate ja kasutate?

Index Scriptorium Estoniae

2005-01-01

Küsimusele vastavad vabakutseline kirjanik Kadri Kõusaar, Riigikogu liige Andres Lipstok, TTÜ üliõpilasesinduse juhatuse esimees Heiki Lemba, IM Arvutite sekretär-raamatupidaja Silja Kalda, Vain SMD konsultant ja koolitaja Urmas Purde, energeetik Peeter Saeraas, Euro Painting and Restoration juht Brian Sepp, Mercuri Urval konsultant Tarmo Müürsepp, Regio osakonnajuhataja Gerri Kodres, OÜ Vastus juht Jelena Rootamm-Valter

Ilon Wiklandi Imedemaa muudab tagasi lapseks / Janar Ala

Index Scriptorium Estoniae

Ala, Janar, 1979-

2009-01-01

Haapsalus avati 1. juulil 2009. a. lastepärane teemakeskus Iloni Imedemaa, kus saab tutvuda raamatuillustraatori Ilon Wiklandi kujutatud tegelastega. Avamisel viibis ka proua Evelin Ilves koos tütre Kadri Keiuga. Samal teemal ka "Pildi sisse: Iloni Imedemaa avab tee kunstniku loomingusse" lk. 1. Fotod sündmusest vt. ka: Postimees : Arter 4. juuli 2009, lk. 16, pealk.: Imedemaa Haapsalus

Kas olete mõelnud välismaal õpetamisele? / Edward Kess, Helen Oppar, Sergei Ptšjolkin ... [jt.

Index Scriptorium Estoniae

2011-01-01

Küsimusele vastavad Tallinna 37. keskkooli eesti keele ja kirjanduse õpetaja Edward Kess, Varstu keskkooli loodusainete õpetaja Helen Oppar, Tallinna Mustjõe gümnaasiumi füüsikaõpetaja Sergei Ptšjolkin, Sürgavere põhikooli muusikaõpetaja Helve Tähis, Nõo reaalgümnaasiumi inglise keele õpetaja Tiina Tuuling ning Rahumäe põhikooli matemaatikaõpetaja Kadri Hiob

Thyroid Radiation Dose to Patients from Diagnostic Radiology Procedures over Eight Decades: 1930-2010.

Science.gov (United States)

Chang, Lienard A; Miller, Donald L; Lee, Choonsik; Melo, Dunstana R; Villoing, Daphnée; Drozdovitch, Vladimir; Thierry-Chef, Isabelle; Winters, Sarah J; Labrake, Michael; Myers, Charles F; Lim, Hyeyeun; Kitahara, Cari M; Linet, Martha S; Simon, Steven L

2017-12-01

This study summarizes and compares estimates of radiation absorbed dose to the thyroid gland for typical patients who underwent diagnostic radiology examinations in the years from 1930 to 2010. The authors estimated the thyroid dose for common examinations, including radiography, mammography, dental radiography, fluoroscopy, nuclear medicine, and computed tomography (CT). For the most part, a clear downward trend in thyroid dose over time for each procedure was observed. Historically, the highest thyroid doses came from the nuclear medicine thyroid scans in the 1960s (630 mGy), full-mouth series dental radiography (390 mGy) in the early years of the use of x rays in dentistry (1930s), and the barium swallow (esophagram) fluoroscopic exam also in the 1930s (140 mGy). Thyroid uptake nuclear medicine examinations and pancreatic scans also gave relatively high doses to the thyroid (64 mGy and 21 mGy, respectively, in the 1960s). In the 21st century, the highest thyroid doses still result from nuclear medicine thyroid scans (130 mGy), but high thyroid doses are also associated with chest/abdomen/pelvis CT scans (18 and 19 mGy for males and females, respectively). Thyroid doses from CT scans did not exhibit the same downward trend as observed for other examinations. The largest thyroid doses from conventional radiography came from cervical spine and skull examinations. Thyroid doses from mammography (which began in the 1960s) were generally a fraction of 1 mGy. The highest average doses to the thyroid from mammography were about 0.42 mGy, with modestly larger doses associated with imaging of breasts with large compressed thicknesses. Thyroid doses from dental radiographic procedures have decreased markedly throughout the decades, from an average of 390 mGy for a full-mouth series in the 1930s to an average of 0.31 mGy today. Upper GI series fluoroscopy examinations resulted in up to two orders of magnitude lower thyroid doses than the barium swallow. There are

Emergency CT head and neck imaging: effects of swimmer's position on dose and image quality

Energy Technology Data Exchange (ETDEWEB)

Mueck, Fabian G.; Roesch, Sebastian; Geyer, Lucas; Scherr, Michael; Seidenbusch, Michael; Stahl, Robert; Deak, Zsuzsanna; Wirth, Stefan [LMU Klinikum Universitaet Muenchen (Germany). Inst. fuer Klinische Radiologie

2014-05-15

To compare the effects of different arm positions on dose exposure and image quality (IQ) in cervical spine CT after trauma in different patient groups. Patients in standard (STD = 126) and in swimmer's position (SWIM = 254) were included. Body mass index (BMI subgroup 1 = underweight to subgroup 4 = obese), anterior-posterior diameter (AP), left-right diameter (LR), area of an ellipse (AoE) and angle between the humeral heads (optimal STD < 3 , optimal SWIM > 10 ) were used as grouping criteria. Computed tomography dose index (CTDI) was documented. Two radiologists rated the IQ at three levels (CV1/2, CV4/5, CV7/T1) using a semi-quantitative scale (0 = not diagnostic, 1 = diagnostic with limitations, 2 = diagnostic without limitations). The Mann-Whitney U test correlations of grouping criteria with dose effects and intra-class correlation (ICC) were calculated. ICC was 0.87. BMI grouping showed the strongest correlation with dose effects: CTDI of optimal STD versus optimal SWIM positioning was 3.17 mGy versus 2.46 mGy (subgroup 1), 5.47 mGy versus 3.97 mGy (subgroup 2), 7.35 mGy versus 5.96 mGy (subgroup 3) and 8.71 mGy versus 8.18 mGy (subgroup 4). Mean IQ at CV7/T1 was 1.65 versus 1.23 (subgroup 1), 1.27 versus 1.46 (subgroup 2), 1.06 versus 1.46 (subgroup 3), 0.79 versus 1.5 (subgroup 4). Patients with a BMI > 20 kg/m{sup 2} benefited from both potential dose reduction and improved image quality at the critical cervicothoracic junction when swimmer's position was used. (orig.)

Entrance radiation doses during paediatric cardiac catheterizations performed for diagnosis or the treatment of congenital heart disease

International Nuclear Information System (INIS)

Papadopoulou, D.; Yakoumakis, Em; Sandilos, P.; Thanopoulos, V.; Makri, Tr; Gialousis, G.; Houndas, D.; Yakoumakis, N.; Georgiou, Ev

2005-01-01

The purpose of this study was to estimate the radiation exposure of children, during cardiac catheterizations for the diagnosis or treatment of congenital heart disease. Radiation doses were estimated for 45 children aged from 1 d to 13 y old. Thermoluminescent dosemeters (TLDs) were used to estimate the posterior entrance dose (D P ), the lateral entrance dose (D LAT ), the thyroid dose and the gonads dose. A dose-area product (DAP) meter was also attached externally to the tube of the angiographic system and gave a direct value in mGy cm 2 for each procedure. Posterior and lateral entrance dose values during cardiac catheterizations ranged from 1 to 197 mGy and from 1.1 to 250.3 mGy, respectively. Radiation exposure to the thyroid and the gonads ranged from 0.3 to 8.4 mGy to 0.1 and 0.7 mGy, respectively. Finally, the DAP meter values ranged between 360 and 33,200 mGy cm 2 . Radiation doses measured in this study are comparable with those reported to previous studies. Moreover, strong correlation was found between the DAP values and the entrance radiation dose measured with TLDs. (authors)

Radiation pretreatments of cellulose materials for the enhancement of enzymatic hydrolysis

International Nuclear Information System (INIS)

Ait Si Mamar, S.; Hadjadj, A.

1990-01-01

The conversion of wheat straw agricultural cellulosic wastes to reducing sugars and glucose has been studied by pretreatments by acid hydrolysis and gamma radiolysis over the dose 0-2 MGy. The pretreatment of cellulosic wastes by gamma radiolysis in the presence of sulfuric acid solution shows that the reducing sugars yield increases with the irradiation dose. The effect of radiation degradation on cellulosic wastes between 0.1 MGy and 2 MGy shows the glucose and reducing sugars yields after enzymatic hydrolysis by cellulase vary with the dose. In the relatively low dose range, up to about 0.5 MGy, the reducing sugars yields vary slightly. For an acid hydrolysis followed by radiation at dose range below 0.5 MGy the reducing sugars yields are practically insensitive to radiation. On the other hand, the pretreatment by radiation in higher dose range from 0.5 to 2 MGy followed by enzymatic hydrolysis is effective for the conversion of cellulosic wastes into glucose. The radiation induced degradation of cellulose into glucose depends on the type of acid hydrolysis and on the enzymatic hydrolysis time by cellulase. Pre-irradiation in air is more effective than in acid solution. (author)

Radiation pretreatments of cellulose materials for the enhancement of enzymatic hydrolysis

Science.gov (United States)

Mamar, S. Ait Si; Hadjadj, A.

The conversion of wheat straw agricultural cellulosic wastes to reduning sugars and glucose has been studied by pretreatments by acid hydrolysis and gamma radiolysis over the dose 0-2 MGy. The pretreatment of cellulosic wastes by gamma radiolysis in the presence of sulfuric acid solution shows that the reducing sugars yield increases with the irradiation dose. The effect of radiation degradation on cellulosic wastes between 0.1 MGy and 2 MGy shows the glucose and reducing sugars yields after enzymatic hydrolysis by cellulase vary with the dose. In the relatively low dose range, up to about 0.5 MGy, the reducing sugars yields vary slightly. For an acid hydrolysis followed by radiation at dose range below 0.5 MGy the reducing sugars yields are practically insensitive to radiation. On the other hand, the pretreatment by radiation in higher dose range from 0.5 to 2 MGy followed by enzymatic hydrolysis is effective for the conversion of cellulosic wastes into glucose. The radiation induced degradation of cellulose into glucose depends on the type of acid hydrolysis and on the enzymatic hydrolysis time by cellulase. Pre-irradiation in air is more effective than in acid solution.

Validation of the mother-generated index in Iran: A specific postnatal quality-of-life instrument

Directory of Open Access Journals (Sweden)

Roghayeh Khabiri

2013-01-01

Full Text Available Background: The mother-generated index (MGI is one of only a few existing specific questionnaires for assessing the postnatal quality of life (QoL. MGI is a single-form questionnaire that asks postnatal mothers to specify up to eight areas of their lives which have been affected by giving birth to a baby. Using this tool, it is possible to score and rank the QoL of mothers. This study aimed to validate the questionnaire for use in Iran. Methods : Forward translation was used to translate the questionnaire from English to Farsi (Persian. The questionnaire was then administered to a sample of postnatal women attending two teaching hospitals in Tehran, Iran. Face validity and criterion validity were performed to establish the validity for the Iranian version of the MGI. Face validity was assessed by asking women to indicate whether they understood the wording of the questions, how easy the questionnaire was, and so on. Criterion validity was examined using the Short Form 36-item (SF-36 Health Survey. It was hypothesized that the MGI would significantly correlate with the SF-36. Results: In all, 124 women were approached. Of these, 119 women were eligible and 96 women agreed to take part in the study. Face validity was good and all of the women found the MGI straightforward to complete; as criterion validity, the MGI scores and the subscales of the SF-36 were moderately correlated (for all subscales: Pearson r > 0.4; P < 0.001. The mean MGI primary score was 5.38 (SD = 3.05. Women who had comorbidity had significantly lower MGI scores than women without comorbidity (P = 0.04. Correlation between aggregate of comments and primary score was high (r = 0.68, P < 0.01. Conclusions: In general, the Iranian version of the MGI performed well and our data suggest that it is a valid measure to assess health-related QoL among postnatal women.

Dose response relationship for unstable-type chromosome aberration rate of spleen cells from mice continuously exposed to low-dose-rate gamma-rays

International Nuclear Information System (INIS)

Tanaka, Kimio; Khoda, Atsushi; Ichinohe, Kazuaki; Oghiso, Yoichi

2007-01-01

It has been reported that people who are chronically exposed to radiation such as nuclear facility workers and medical radiologists have slightly higher incidences of chromosome aberrations than non-exposed people. However, chronological changes of chromosome aberration rates related to accumulated doses and dose-rates for low dose-rate radiation exposures have not been well studied. Precise analyses of human populations are quite limited because confounding factors influence the results. For this reason, animal experiments are important for analyses. Mice were continuously exposed to gamma-rays at 400 mGy/22 hr/day for 10 days, 20 mGy/22 hr/day for about 400 days, and 1 mGy/22 hr/day for about 615 days under SPF conditions. Chronological changes of unstable-type chromosome aberration rates of spleen cells were observed along with accumulated doses at the middle dose rate and the two low-dose rates by conventional Giemsa-staining method. Aberrations such as dicentric chromosome, ring chromosome and fragment increased in a two-phase manner within 0-1.2 Gy and 2-8 Gy at 20 mGy/22 hr/day. They slightly increased up to 0.5 Gy at 1 mGy/22 hr/day. Aberration rates for 1, 2, 8 Gy at the 20 mGy/22 hr/day and for 0.5 Gy at 1 mGy/22 hr/day were 5.1, 9.6, 13.9 and 2.2 times higher than those of age-matched, non-irradiated control mice, respectively. Chromosome aberration rates at 400 mGy/22 hr/day were 2.7 times higher than that of 20 mGy/22 hr/day for the same total dose of 1.2 Gy. The results that unstable-type chromosome aberrations increased with accumulated dose of the low-dose rate radiation will be important to establish biological dosimetry for people who are chronically exposed to radiation. (author)

Uus glamuur : Foorumi ärikeskus = Fresh Glamour : the Foorum Business Centre in Narva maantee / Inga Raukas

Index Scriptorium Estoniae

Raukas, Inga, 1967-

2007-01-01

Projekteerija: HG Arhitektuur OÜ. Autorid: Hanno Grossschmidt, Tomomi Hayashi. Konstruktor: Neoprojekt OÜ. Sisekujundajad: äritänav, Cafe Peterson - Kohvi OÜ, korterid - Kadri Tamme, Argentiina restoran - Ruumilabor OÜ, St.Patricks - SAB Link OÜ, hoone üldruumid - HG Arhitektuur OÜ. Kortereid 193. Projekt 2004-2006, valmis 2007. Asendiplaan, I korruse plaan, lõige, 4 värv. välis- ja 2 sisevaadet. Bibliograafia lk. 50

Tshorno-belõje kartinki istorii

Index Scriptorium Estoniae

2008-01-01

Ekskursioon "Seenioride reede" Kumus 29. veebruaril tutvustab Liina Siibi koostatud näitust "Reis maale. Etnograafilised tüübid fotos". Näha etnograafilised fotod Eestist, põhirõhuga Johannes Pääsukese Setumaa ja Saaremaa piltidel. Kadrioru Kunstimuuseumis avatud näitusest "Igatsedes mägesid. Šveitsi maastikud Balti kunstis". Vahendatakse Balti kunstnike joonistusi Šveitsi-reisidelt ja Šveitsi maastikumaalijate loomingut. Kuraator Kadri Polli

Juugendloss Eestimaa ääre peal / Helju Koger

Index Scriptorium Estoniae

Koger, Helju, 1943-

2003-01-01

Aastaid raviasutusena tegutsenud Taagepera loss avas mais 2003 oma uksed hotelli ja konverentsikeskusena. 1912. a. valminud jugendhäärberi projekteeris Otto Wildau. Hoone omanikest, arhitektuurist. Hotelli sisekujunduse tegi Kadri Tarbe. Lossis on avatud harrastusfotograaf Peeter Sepa näitus "Eestimaa tagumises sopis Taageperas", keraamik Marget Tafeli näitus "Dora aarded", Leonhard Lapini ja Ülevi Eljandi näitus "Sõbrad SOUP 69-st". 16 ill

Huviharidus ei ole ainult soe bussipeatus / Piret Hartman, Ardo Rohtla, Annely Köster ... [jt.] ; intervjueerinud Maris Hellrand

Index Scriptorium Estoniae

2016-01-01

Noorte huvitegevuse toetussüsteemi kontseptsioon toob järgmisel sügisel valdkonda lisaraha. Vestlusringis huvihariduse probleemide üle osalesid kultuuriministri nõunik Piret Hartman, haridus- ja teadusministeeriumi noorteosakonna asejuhataja Ardo Rohtla, Sally Stuudio juhataja Annely Köster, Eesti Muusikakoolide Liidu juhatuse esimees Kadri Leivategija, Rakvere abilinnapea Kairit Pihlak, Eesti Teadushuvihariduse Liidu juhatuse liige Heilo Altin ja MTÜ Loovkirjutamise Keskus juhatuse liige Katriin Fisch-Uibopuu

Tartu Ülikooli Narva Kolledž = Narva College of the University of Tartu

Index Scriptorium Estoniae

2015-01-01

Tartu Ülikooli Narva Kolledž Raekoja plats 2, valminud 2012. Eesti kultuurkapitali aastapreemia 2013. Arhitektid Siiri Vallner, Katrin Koov, Indrek Peil (Kavakava), kaasautorid Heidi Urb, Andro Mänd, Sten-Mark Mändmaa, Maarja Tüür, sisearhitekt Hannes Praks. Kaasa töötasid Kadri Tamme, Kristjan Holm, Liisi Murula, Toomas Pääsuke, Ahti Grünberg, Daniel Marius Reisser, Helen Sarapuu

Noored loojad ootasid avatumat võistlust / Agnes Kuus

Index Scriptorium Estoniae

Kuus, Agnes

2007-01-01

Tallinna kavandatava vabadussõja monumendi konkursi kolmest paremast tööst. Esikoht tööle "Libertas" - Kadri Kiho, Andri Laidre, Anto Savi, Rainer Sternfeld. II koht tööle "Meie inimesed" - Marten Kaevats, Alvin Järving, Mihkel Kaevats, Ülo Kaevats, Merit Kask, Martin Sookael, Peeter Vihma. III koht tööle "Illusioon" - Martin Tago, Kertu Tuberg, Tõnis Malkov, Laura Kuusk

Low-dose neutron dose response of zebrafish embryos obtained from the Neutron exposure Accelerator System for Biological Effect Experiments (NASBEE) facility

International Nuclear Information System (INIS)

Ng, C.Y.P.; Kong, E.Y.; Konishi, T.; Kobayashi, A.; Suya, N.; Cheng, S.H.; Yu, K.N.

2015-01-01

The dose response of embryos of the zebrafish, Danio rerio, irradiated at 5 h post fertilization (hpf) by 2-MeV neutrons with ≤100 mGy was determined. The neutron irradiations were made at the Neutron exposure Accelerator System for Biological Effect Experiments (NASBEE) facility in the National Institute of Radiological Sciences (NIRS), Chiba, Japan. A total of 10 neutron doses ranging from 0.6 to 100 mGy were employed (with a gamma-ray contribution of 14% to the total dose), and the biological effects were studied through quantification of apoptosis at 25 hpf. The responses for neutron doses of 10, 20, 25, and 50 mGy approximately fitted on a straight line, while those for neutron doses of 0.6, 1 and 2.5 mGy exhibited neutron hormetic effects. As such, hormetic responses were generically developed by different kinds of ionizing radiations with different linear energy transfer (LET) values. The responses for neutron doses of 70 and 100 mGy were significantly below the lower 95% confidence band of the best-fit line, which strongly suggested the presence of gamma-ray hormesis. - Highlights: • Neutron dose response was determined for embryos of the zebrafish, Danio rerio. • Neutron doses of 0.6, 1 and 2.5 mGy led to neutron hormetic effects. • Neutron doses of 70 and 100 mGy accompanied by gamma rays led to gamma-ray hormesis

The 3rd international intercomparison on EPR tooth dosimetry: Part 1, general analysis

International Nuclear Information System (INIS)

Wieser, A.; Debuyst, R.; Fattibene, P.

2005-01-01

The objective of the 3rd International Intercomparison on Electron Paramagnetic Resonance (EPR) Tooth Dosimetry was the evaluation of laboratories performing tooth enamel dosimetry below 300 mGy. Participants had to reconstruct the absorbed dose in tooth enamel from 11 molars, which were cut into two halves. One half of each tooth was irradiated in a 60 Co beam to doses in the ranges of 30-100 mGy (5 samples), 100-300 mGy (5 samples), and 300-900 mGy (1 sample). Fourteen international laboratories participated in this intercomparison programme. A first analysis of the results and an overview of the essential features of methods applied in different laboratories are presented. The relative standard deviation of results of all methods was better than 27% for applied doses in the range of 79-704 mGy. In the analysis of the unirradiated tooth halves 8% of the samples were identified as outliers with additional absorbed dose above background dose

Diagnostic reference levels in intraoral radiology: From the laboratory to clinical practice

International Nuclear Information System (INIS)

Alcaraz, M.; Velasco, E.; Martinez-Beneyto, Y.; Velasco, F.; Parra, C.; Canteras, M.

2010-01-01

To determine the diagnostic reference levels (DRLs) for obtaining a diagnostic image in the normal conditions of clinical practice and to explain the differences between the levels found and the DRLs obtained in other experimental conditions, suggesting that there has been a reduction in the European Union (EU) recommended levels. A total of 2296 official reports on dental surgeries from 16 Spanish autonomous regions compiled during 2008 were studied. A mean DRL of 3.3 mGy was determined: 2.6 mGy for installations using direct digital systems, 3.4 mGy for those using indirect systems, 4.4 mGy for those using Ultra-speed film and 3.7 mGy for those using Insight. The DRLs found in this survey are below the EU recommended values but far above previously described values, possibly because all the different systems were considered and because values refer to those of the normal work conditions of clinical practice. (authors)

Comparison of radiation absorbed dose in target organs in maxillofacial imaging with panoramic, conventional linear tomography, cone beam computed tomography and computed tomography

Directory of Open Access Journals (Sweden)

Panjnoush M.

2009-12-01

Full Text Available "nBackground and Aim: The objective of this study was to measure and compare the tissue absorbed dose in thyroid gland, salivary glands, eye and skin in maxillofacial imaging with panoramic, conventional linear tomography, cone beam computed tomography (CBCT and computed tomography (CT."nMaterials and Methods: Thermoluminescent dosimeters (TLD were implanted in 14 sites of RANDO phantom to measure average tissue absorbed dose in thyroid gland, parotid glands, submandibular glands, sublingual gland, lenses and buccal skin. The Promax (PLANMECA, Helsinki, Finland unit was selected for Panoramic, conventional linear tomography and cone beam computed tomography examinations and spiral Hispeed/Fxi (General Electric,USA was selected for CT examination. The average tissue absorbed doses were used for the calculation of the equivalent and effective doses in each organ."nResults: The average absorbed dose for Panoramic ranged from 0.038 mGY (Buccal skin to 0.308 mGY (submandibular gland, linear tomography ranged from 0.048 mGY (Lens to 0.510 mGY (submandibular gland,CBCT ranged from 0.322 mGY (thyroid glad to 1.144 mGY (Parotid gland and in CT ranged from 2.495 mGY (sublingual gland to 3.424 mGY (submandibular gland. Total effective dose in CBCT is 5 times greater than Panoramic and 4 times greater than linear tomography, and in CT, 30 and 22 times greater than Panoramic and linear tomography, respectively. Total effective dose in CT is 6 times greater than CBCT."nConclusion: For obtaining 3-dimensional (3D information in maxillofacial region, CBCT delivers the lower dose than CT, and should be preferred over a medical CT imaging. Furthermore, during maxillofacial imaging, salivary glands receive the highest dose of radiation.

Atrazine is primarily responsible for the toxicity of long-term exposure to a combination of atrazine and inorganic arsenic in the nigrostriatal system of the albino rat.

Science.gov (United States)

Bardullas, Ulises; Giordano, Magda; Rodríguez, Verónica Mireya

2013-01-01

Chronic and simultaneous exposure to a variety of chemicals present in the environment is an unavoidable fact. However, given the complexity of studying chemical mixtures, most toxicological studies have focused on the effects of short-term exposure to single substances. The aim of this study was to evaluate the effects on the nigrostriatal system of the chronic, simultaneous exposure to two widely distributed substances that have been identified as potential dopaminergic system toxicants, inorganic arsenic (iAs) and atrazine (ATR). Six groups of rats were treated daily for one year with atrazine (10mg ATR/kg), inorganic arsenic (0.5 or 50mgiAs/L of drinking water), or a combination of ATR+0.5mgiAs/L or ATR+50mgiAs/L. The 50mgiAs/L group showed locomotor hypoactivity, while all treatments decreased motor coordination in contrast no effects of treatment were found on the place and response learning tasks. Regarding markers for liver and muscle damage, there were no differences between groups in creatine kinase (CK) or aspartate transaminase (AST) activities, while decreases in lactate dehydrogenase (LDH) levels were found in some exposed groups. The striatal DA content was significantly reduced in ATR, 0.5mgiAs/L, ATR+0.5mgiAs/L, and ATR+50mgiAs/L groups, in comparison to the control group. The number of mesencephalic tyrosine hydroxylase positive cells decreased in the ATR and ATR+0.5mgiAs/L groups compared to the control. In contrast, immunoreactivity to cytochrome oxidase was reduced compared to the control in all treated groups, except for the group treated with 0.5iAsmg alone. Our results indicate that ATR has deleterious effects on dopaminergic neurons and that the combination of ATR and iAs does not exacerbate these effects. © 2013 Elsevier Inc. All rights reserved.

A novel dendrimer based on poly (L-glutamic acid) derivatives as an efficient and biocompatible gene delivery vector

International Nuclear Information System (INIS)

Zeng Xin; Pan Shirong; Wang Chi; Wen Yuting; Wu Hongmei; Wang Cuifeng; Wu Chuanbin; Feng Min; Li Jie

2011-01-01

Non-viral gene delivery systems based on cationic polymers have faced limitations related to their relative low gene transfer efficiency, cytotoxicity and system instability in vivo. In this paper, a flexible and pompon-like dendrimer composed of poly (amidoamine) (PAMAM) G4.0 as the inner core and poly (L-glutamic acid) grafted low-molecular-weight polyethylenimine (PLGE) as the surrounding multiple arms was synthesized (MGI dendrimer). The novel MGI dendrimer was designed to combine the merits of size-controlled PAMAM G4.0 and the low toxicity and flexible chains of PLGE. In phosphate-buffered saline dispersions the well-defined DNA/MGI complex above a N/P ratio of 30 showed good stability with particle sizes of approximately 200 nm and a comparatively low polydispersity index. However, the particle size of the DNA/25 kDa polyethylenimine (DNA/PEI 25K) complex was larger than 700 nm under the same salt conditions. The shielding of the compact amino groups at the periphery of flexible PAMAM and biocompatible PLGE chains in MGI resulted in a dramatic decrease of the cytotoxicity compared to native PAMAM G4.0 dendrimer. The in vitro transfection efficiency of DNA/MGI dendrimer complex was higher than that of PAMAM G4.0 dendrimer. Importantly, in serum-containing medium, DNA/MGI complexes at their optimal N/P ratio maintained the same high levels of transfection efficiency as in serum-free medium, while the transfection efficiency of native PAMAM G4.0, PEI 25K and Lipofectamine 2000 were sharply decreased. In vivo gene delivery of pVEGF165/MGI complex into balloon-injured rabbit carotid arteries resulted in significant inhibition of restenosis by increasing VEGF165 expression in local vessels. Therefore, the pompon-like MGI dendrimer may be a promising vector candidate for efficient gene delivery in vivo.

DNA alterations and effects on growth and reproduction in Daphnia magna during chronic exposure to gamma radiation over three successive generations

International Nuclear Information System (INIS)

Parisot, Florian; Bourdineaud, Jean-Paul; Plaire, Delphine; Adam-Guillermin, Christelle; Alonzo, Frédéric

2015-01-01

Highlights: • We exposed three successive generations of Daphnia magna to chronic gamma radiation. • We examined DNA alterations and effects on survival, growth and reproduction. • DNA alterations were accumulated over a generation and transmitted to the progeny. • Effects on survival and reproduction, and delay in growth increased over generations. - Abstract: This study examined chronic effects of external Cs-137 gamma radiation on Daphnia magna exposed over three successive generations (F0, F1 and F2) to environmentally relevant dose rates (ranging from 0.007 to 35.4 mGy h −1 ). Investigated endpoints included survival, growth, reproduction and DNA alterations quantified using random-amplified polymorphic DNA polymerase chain reaction (RAPD-PCR). Results demonstrated that radiation effects on survival, growth and reproduction increased in severity from generation F0 to generation F2. Mortality after 21 days at 35.4 mGy h −1 increased from 20% in F0 to 30% in F2. Growth was affected by a slight reduction in maximum length at 35.4 mGy h −1 in F0 and by reductions of 5 and 13% in growth rate, respectively, at 4.70 and 35.4 mGy h −1 in F2. Reproduction was affected by a reduction of 19% in 21 day-fecundity at 35.4 mGy h −1 in F0 and by a delay of 1.9 days in brood release as low as 0.070 mGy h −1 in F2. In parallel, DNA alterations became significant at decreasing dose rates over the course of F0 (from 4.70 mGy h −1 at hatching to 0.007 mGy h −1 after ∼21 days) and from F0 to F2 (0.070 mGy h −1 at hatching to 0.007 mGy h −1 after ∼21 days), demonstrating their rapid accumulation in F0 daphnids and their transmission to offspring generations. Transiently more efficient DNA repair leading to some recovery at the organism level was suggested in F1, with no effect on survival, a slight reduction of 12% in 21 day-fecundity at 35.4 mGy h −1 and DNA alterations significant at highest dose rates only. The study improved our understanding of

DNA alterations and effects on growth and reproduction in Daphnia magna during chronic exposure to gamma radiation over three successive generations

Energy Technology Data Exchange (ETDEWEB)

Parisot, Florian [Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Cadarache, St Paul-lez-Durance 13115 (France); Bourdineaud, Jean-Paul [UMR 5805 EPOC – OASU, Station marine d’Arcachon, Université Bordeaux 1, Arcachon 33120 (France); Plaire, Delphine; Adam-Guillermin, Christelle [Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Cadarache, St Paul-lez-Durance 13115 (France); Alonzo, Frédéric, E-mail: frederic.alonzo@irsn.fr [Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PRP-ENV/SERIS/LECO, Cadarache, St Paul-lez-Durance 13115 (France)

2015-06-15

Highlights: • We exposed three successive generations of Daphnia magna to chronic gamma radiation. • We examined DNA alterations and effects on survival, growth and reproduction. • DNA alterations were accumulated over a generation and transmitted to the progeny. • Effects on survival and reproduction, and delay in growth increased over generations. - Abstract: This study examined chronic effects of external Cs-137 gamma radiation on Daphnia magna exposed over three successive generations (F0, F1 and F2) to environmentally relevant dose rates (ranging from 0.007 to 35.4 mGy h{sup −1}). Investigated endpoints included survival, growth, reproduction and DNA alterations quantified using random-amplified polymorphic DNA polymerase chain reaction (RAPD-PCR). Results demonstrated that radiation effects on survival, growth and reproduction increased in severity from generation F0 to generation F2. Mortality after 21 days at 35.4 mGy h{sup −1} increased from 20% in F0 to 30% in F2. Growth was affected by a slight reduction in maximum length at 35.4 mGy h{sup −1} in F0 and by reductions of 5 and 13% in growth rate, respectively, at 4.70 and 35.4 mGy h{sup −1} in F2. Reproduction was affected by a reduction of 19% in 21 day-fecundity at 35.4 mGy h{sup −1} in F0 and by a delay of 1.9 days in brood release as low as 0.070 mGy h{sup −1} in F2. In parallel, DNA alterations became significant at decreasing dose rates over the course of F0 (from 4.70 mGy h{sup −1} at hatching to 0.007 mGy h{sup −1} after ∼21 days) and from F0 to F2 (0.070 mGy h{sup −1} at hatching to 0.007 mGy h{sup −1} after ∼21 days), demonstrating their rapid accumulation in F0 daphnids and their transmission to offspring generations. Transiently more efficient DNA repair leading to some recovery at the organism level was suggested in F1, with no effect on survival, a slight reduction of 12% in 21 day-fecundity at 35.4 mGy h{sup −1} and DNA alterations significant at highest

Investigation of LiF, Mg and Ti (TLD-100) Reproducibility.

Science.gov (United States)

Sadeghi, M; Sina, S; Faghihi, R

2015-12-01

LiF, Mg and Ti cubical TLD chips (known as TLD-100) are widely used for dosimetry purposes. The repeatability of TL dosimetry is investigated by exposing them to doses of (81, 162 and 40.5 mGy) with 662keV photons of Cs-137. A group of 40 cubical TLD chips was randomly selected from a batch and the values of Element Correction Coefficient (ECC) were obtained 4 times by irradiating them to doses of 81 mGy (two times), 162mGy and 40.5mGy. Results of this study indicate that the average reproducibility of ECC calculation for 40 TLDs is 1.5%, while these values for all chips do not exceed 5%.

Radiation exposure of contrast-enhanced spectral mammography compared with full-field digital mammography.

Science.gov (United States)

Jeukens, Cécile R L P N; Lalji, Ulrich C; Meijer, Eduard; Bakija, Betina; Theunissen, Robin; Wildberger, Joachim E; Lobbes, Marc B I

2014-10-01

Contrast-enhanced spectral mammography (CESM) shows promising initial results but comes at the cost of increased dose as compared with full-field digital mammography (FFDM). We aimed to quantitatively assess the dose increase of CESM in comparison with FFDM. Radiation exposure-related data (such as kilovoltage, compressed breast thickness, glandularity, entrance skin air kerma (ESAK), and average glandular dose (AGD) were retrieved for 47 CESM and 715 FFDM patients. All examinations were performed on 1 mammography unit. Radiation dose values reported by the unit were validated by phantom measurements. Descriptive statistics of the patient data were generated using a statistical software package. Dose values reported by the mammography unit were in good qualitative agreement with those of phantom measurements. Mean ESAK was 10.5 mGy for a CESM exposure and 7.46 mGy for an FFDM exposure. Mean AGD for a CESM exposure was 2.80 mGy and 1.55 mGy for an FFDM exposure. Compared with our institutional FFDM, the AGD of a single CESM exposure is increased by 1.25 mGy (+81%), whereas ESAK is increased by 3.07 mGy (+41%). Dose values of both techniques meet the recommendations for maximum dose in mammography.

Breast dose reduction for chest CT by modifying the scanning parameters based on the pre-scan size-specific dose estimate (SSDE)

Energy Technology Data Exchange (ETDEWEB)

Kidoh, Masafumi; Utsunomiya, Daisuke; Oda, Seitaro; Nakaura, Takeshi; Yuki, Hideaki; Hirata, Kenichiro; Namimoto, Tomohiro; Sakabe, Daisuke; Hatemura, Masahiro; Yamashita, Yasuyuki [Kumamoto University, Department of Diagnostic Radiology, Faculty of Life Sciences, Honjo, Kumamoto (Japan); Funama, Yoshinori [Kumamoto University, Department of Medical Physics, Faculty of Life Sciences, Honjo, Kumamoto (Japan)

2017-06-15

To investigate the usefulness of modifying scanning parameters based on the size-specific dose estimate (SSDE) for a breast-dose reduction for chest CT. We scanned 26 women with a fixed volume CT dose index (CTDI{sub vol}) (15 mGy) and another 26 with a fixed SSDE (15 mGy) protocol (protocol 1 and 2, respectively). In protocol 2, tube current was calculated based on the patient habitus obtained on scout images. We compared the mean breast dose and the inter-patient breast dose variability and performed linear regression analysis of the breast dose and the body mass index (BMI) of the two protocols. The mean breast dose was about 35 % lower under protocol 2 than protocol 1 (10.9 mGy vs. 16.8 mGy, p < 0.01). The inter-patient breast dose variability was significantly lower under protocol 2 than 1 (1.2 mGy vs. 2.5 mGy, p < 0.01). We observed a moderate negative correlation between the breast dose and the BMI under protocol 1 (r = 0.43, p < 0.01); there was no significant correlation (r = 0.06, p = 0.35) under protocol 2. The SSDE-based protocol achieved a reduction in breast dose and in inter-patient breast dose variability. (orig.)

Evaluation of pediatrics entrance surface air kerma during chest X-ray examinations in some Khartoum hospitals

International Nuclear Information System (INIS)

Mohamed, Hassan Ishag Yahya

2015-10-01

The aim of this study was to determine the amount of entrance surface air kerma dose in air that can reflect the amount of the risk that the children, are subjected to. The parameters that are involved in this project are x-ray tube current (mA), exposure time (sec.), and focal skin distance (FSD) in cm. ESAK is calculated using the equation: ESAK=(Output (mGy/mAs) x (100/FSD) 2 X mAs) for different examination of different patients. 65 cases were involved in this study, the results show that the ESAK mean value (0.18±0.07) mGy, (0.06±0.07) mGy, (0.045±0.017) mGy and (0.049±0.013) mGy at the hospitals (IBNIOF Omdurman, police, clinic doctor) respectively. IBNIOF presented the highest ESAK (0.18±0.07) mGy, while it was lowest in police (0.045±0.017) mGy. The estimated ESAK value were within the established international reference dose values and also the values obtained in pervious studies however, variations were observed in ESAK values among hospitals under study which could be due to the differences in exposure parameters used. Also tube output has some effect on obtained ESAK. (author)

Radiation and mental retardation

International Nuclear Information System (INIS)

Pochin, E.E.

1988-01-01

The editorial comments on a report published by the Radiation Effects Research Foundation in Hiroshima updating information on the induction of mental changes in the light of the revised and more detailed estimate of doses of radiation during pregnancies received by those exposed at Hiroshima and Nagasaki. The estimated risks are little changed. The likelihood of a threshold for exposure during the 16th to 25th week is confirmed-at 700 mGy (with a lower 95% confidence interval of 200 mGy). For the more sensitive time between the eighth to 15th weeks a linear model with no threshold still gives a statistically adequate fit to the data. Now, however, if linear models are tested without the constraint of postulating a threshold of zero, fits are obtained indicating substantial thresholds below which mental retardation would not result. When data on all children are included the maximum likelihood threshold value averages about 250 mGy on the different criteria tested (with mean 95% confidence intervals of 0 and 550 mGy). Or if the analyses exclude five children with conditions that themselves sometimes cause mental retardation a threshold of about 400 mGy is indicated (with mean 95% confidence intervals of 150 and 600 mGy). (author)

National reference doses for dental cephalometric radiography.

Science.gov (United States)

Holroyd, J R

2011-12-01

Diagnostic reference levels (DRLs) are an important tool in the optimisation of clinical radiography. Although national DRLs are provided for many diagnostic procedures including dental intra-oral radiography, there are currently no national DRLs set for cephalometric radiography. In the absence of formal national DRLs, the Health Protection Agency (HPA) has previously published National Reference Doses (NRDs) covering a wide range of diagnostic X-ray examinations. The aim of this study was to determine provisional NRDs for cephalometric radiography. Measurements made by the Dental X-ray Protection Service (DXPS) of the HPA, as part of the cephalometric X-ray equipment testing service provided to dentists and dental trade companies throughout the UK, were used to derive provisional NRDs. Dose-area product measurements were made on 42 X-ray sets. Third quartile dose-area product values for adult and child lateral cephalometric radiography were found to be 41 mGy cm² and 25 mGy cm², respectively, with individual measurements ranging from 3 mGy cm² to 108 mGy cm². This report proposes provisional NRDs of 40 mGy cm² and 25 mGy cm² for adult and child lateral cephalometric radiographs, respectively; these doses could be considered by employers when establishing their local DRLs.

Effects of Chronic Low-Dose Radiation on Human Neural Progenitor Cells

Science.gov (United States)

Katsura, Mari; Cyou-Nakamine, Hiromasa; Zen, Qin; Zen, Yang; Nansai, Hiroko; Amagasa, Shota; Kanki, Yasuharu; Inoue, Tsuyoshi; Kaneki, Kiyomi; Taguchi, Akashi; Kobayashi, Mika; Kaji, Toshiyuki; Kodama, Tatsuhiko; Miyagawa, Kiyoshi; Wada, Youichiro; Akimitsu, Nobuyoshi; Sone, Hideko

2016-01-01

The effects of chronic low-dose radiation on human health have not been well established. Recent studies have revealed that neural progenitor cells are present not only in the fetal brain but also in the adult brain. Since immature cells are generally more radiosensitive, here we investigated the effects of chronic low-dose radiation on cultured human neural progenitor cells (hNPCs) derived from embryonic stem cells. Radiation at low doses of 31, 124 and 496 mGy per 72 h was administered to hNPCs. The effects were estimated by gene expression profiling with microarray analysis as well as morphological analysis. Gene expression was dose-dependently changed by radiation. By thirty-one mGy of radiation, inflammatory pathways involving interferon signaling and cell junctions were altered. DNA repair and cell adhesion molecules were affected by 124 mGy of radiation while DNA synthesis, apoptosis, metabolism, and neural differentiation were all affected by 496 mGy of radiation. These in vitro results suggest that 496 mGy radiation affects the development of neuronal progenitor cells while altered gene expression was observed at a radiation dose lower than 100 mGy. This study would contribute to the elucidation of the clinical and subclinical phenotypes of impaired neuronal development induced by chronic low-dose radiation.

Ooper kolme vindiga / Kadri Rood

Index Scriptorium Estoniae

Rood, Kadri

2011-01-01

15. veebruaril Tartu Sadamateatris etendunud Henry Purcelli semi-ooperist "Haldjakuninganna" (esietendus 5. veebr.), lavastaja, koreograaf ja video autor Saša Pepeljajev, muusikaline juht ja dirigent Lauri Sirp

Suveteatri juubelikellad Toomel / Kadri Selge

Index Scriptorium Estoniae

Selge, Kadri

2007-01-01

13. juulil esietendus Emajõe Suveteatris "Jumalaema kiriku kellamees". Victor Hugo romaani järgi tegi instseneeringu Urmas Lennuk, lavastaja Andres Dvinjaninov, kujundus Iir Hermeliinilt. Mängitakse Tartu Toomkiriku varemetes

Seebikad vanakreeka moodi / Kadri Novikov

Index Scriptorium Estoniae

Novikov, Kadri

2009-01-01

Kreeka romaanist ehk 1. saj. eKr kuni 4. saj. pKr kirjutatud mahukatest proosafiktsioonidest, mis oma olemuselt on segu armastus- ja seiklusromaanidest. Pikemalt on vaatluse all Charitoni "Chaireas ja Kallirhoe", Xenophoni "Ephesose lood", Achilleus Tatiose "Leukippe ja Kleitophon", Longose "Daphnis ja Chloe" ning Heliodorose "Aithiopika"

Isiklik on poliitiline / Kadri Aavik

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Aavik, Kadri

2016-01-01

Artikkel põhineb TLÜ ühiskonnateaduste instituudi korraldatud uuringu "LGBTQ inimeste olukorra kaardistamine tervise-, hariduse ja töövaldkonnas ning teenuste ja kaupade kättesaamisel Eestis" tulemustel

Ars ornata / Kadri Mälk

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Mälk, Kadri, 1958-

1998-01-01

V rahvusvaheline ehtekunsti konverents 'Ars ornata Europeana' juuni lõpus Stockholmis. New Yorgis elava kuraatori Charon Kranseni ja prantsuse ehtekunstniku Christophe Burger' juhitud vestlusringidest. 1997. a. Pariisis loodud International Craft Design Association'ist (ICDA).

Ameerika Don Quijote / Kadri Kõusaar

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Kõusaar, Kadri

2008-01-01

Leedu-juudi juurtega Sundance'i filmifestivali võitja Debra Granik, kelle esikfilm "Viimase piirini" ("Down to the Bone") pälvis 2004. aasta Sundance'i filmifestivalil nii parima režii kui ka parima naispeaosatäitja preemia (Vera Farmiga)

Presidendi vend : loobuge maasturist - sellega sõites toetate Iraani valitsust! / Allar Viivik

Index Scriptorium Estoniae

Viivik, Allar

2008-01-01

Tallinnas toimunud president Lennart Meri nimelisel konverentsil esines ka president Toomas Hendrik Ilvese vend Andres Ilves, kes juhib BBC pärsia- ja puštukeelsete saadete toimetust. Andres Ilves ütles, et nafta kõrge hind on põhiline, mis Iraani valitsust tugevdab. Konverentsi korraldaja, Rahvusvahelise Kaitseuuringute Keskuse juht Kadri Liik leiab, et A. Ilvest osundati valesti. Eesti tuntud džiibiomanikud oma sõidukitest loobuda ei kavatse

Kevadfestival oli metsateemaline

Index Scriptorium Estoniae

2006-01-01

Üritustest 29. maist kuni 1. juunini Türi Kevadfestivali raames: Alo Põldmäe loodusfotode näituse "Muusikaline Neeruti" avamisest 30. mail Türi kultuurimajas, pianisti Kadri-Ann Sumera esinemisest festivali avakontserdil "Metsastseenid" 29. mail Türi kultuurimajas, regilaulude laulmisest Jaak Johansoni ja Riina Roose eestvedamisel ürituse "Ööülikool" raames 30. mail, koomilise laulumängu "Lopi ja Lapi" esietendusest 31. mail Oisu rahvamajas

Investigation of LiF, Mg and Ti (TLD-100 Reproducibility

Directory of Open Access Journals (Sweden)

Sadeghi M.

2015-12-01

Full Text Available LiF, Mg and Ti cubical TLD chips (known as TLD-100 are widely used for dosimetry purposes. The repeatability of TL dosimetry is investigated by exposing them to doses of (81, 162 and 40.5 mGy with 662keV photons of Cs-137. A group of 40 cubical TLD chips was randomly selected from a batch and the values of Element Correction Coefficient (ECC were obtained 4 times by irradiating them to doses of 81 mGy (two times, 162mGy and 40.5mGy. Results of this study indicate that the average reproducibility of ECC calculation for 40 TLDs is 1.5%, while these values for all chips do not exceed 5%.

Coronary cineangiography and ionizing radiation exposure to patients: analysis of primary and secondary beam

International Nuclear Information System (INIS)

Ramirez, Alfredo; Leyton, Fernando; Silva, Ana Maria; Farias, Eric

2001-01-01

The purpose of this work was to determine the level of exposure dose to patients during coronariographies in different areas of body. This study has presented the medical surveillance of 18 cases and the radiation monitoring of these patients by TLD in thyroid and pelvis (secondary beam) and, in the right and left scapular region (primary beam) for each one of these procedures. The ionizing radiation received was 215 ± 200 mGy in left scapular region (range 1-710) and 255±213 mGy in the right scapular region (range 22-635) p=NS. In the pelvic region the ionizing radiation was 0,22±0,06 mGy and in the thyroid region was 3,62±2,44 mGy

Coronary cineangiography and ionizing radiation exposure to patients: analysis of primary and secondary beam; Cineangiografia coronaria y radiacion ionizante a pacientes. Analisis en haz primario y secundario

Energy Technology Data Exchange (ETDEWEB)

Ramirez, Alfredo; Leyton, Fernando; Silva, Ana Maria; Farias, Eric [Universidad de Chile, Santiago (Chile). Hospital Clinico; Gamarra, Jorge; Oyarzun, Carlos [Comision Chilena de Energia Nuclear (CCHEN), Santiago (Chile)

2001-07-01

The purpose of this work was to determine the level of exposure dose to patients during coronariographies in different areas of body. This study has presented the medical surveillance of 18 cases and the radiation monitoring of these patients by TLD in thyroid and pelvis (secondary beam) and, in the right and left scapular region (primary beam) for each one of these procedures. The ionizing radiation received was 215 {+-} 200 mGy in left scapular region (range 1-710) and 255{+-}213 mGy in the right scapular region (range 22-635) p=NS. In the pelvic region the ionizing radiation was 0,22{+-}0,06 mGy and in the thyroid region was 3,62{+-}2,44 mGy.

Ülevaateid okupatsiooniajast / Kistler-Ritso Eesti Sihtasutus ; [koostanud Heiki Ahonen ; toimetaja Enn Tarvel

Index Scriptorium Estoniae

Eesti riigi (valitsusliikmete saatus, omavalitsuse likvideerimine, kaitseväe ning kohtunike saatus, kohtusüsteemi likvideerimine) ja rahva (arreteerimised 1940-41, küüditamine, repressioonid, kolhooside moodustamine) hävitamisest, vastupanust

Kohtumenetlused 2006 : seaduste tekstid seisuga 01. 03. 2006 / koostanud [ja kommentaarid:] Andrus Lauren

Index Scriptorium Estoniae

2006-01-01

Kaanel sisu: Tsiviilkohtumenetlus. Halduskohtumenetlus. Kriminaalkohtumenetlus. Põhiseaduslikkuse järelevalve kohtumenetlus. TsMS ja TMS rakendamise seadus. KrMS rakendamise seadus. Kohtute seadus. Täitemenetlus. Riigi õigusabi seadus

18FDG PET in a pregnant patient

International Nuclear Information System (INIS)

Chatterton, Barry

2006-01-01

A 26-year-old pregnant female presented with cervical adenopathy which was shown on biopsy to be Hodgkin's disease. As she had some systemic symptoms, It was decided to further stage her disease, with the options being allowing the pregnancy to continue, or terminating the pregnancy and treating immediately. To keep the radiation dose as low as possible, the administered dose of l8 FDG was reduced giving a total estimated dose to the fetus as 3.2 mGy and l37 Cs used as the source for attenuation correction rather than CT (dose estimated as 0.15mGy instead of 1.5 mGy) Total dose to the fetus was estimated as 3.4mGy. ICRP indicates that termination of pregnancy is not justified for radiation doses less than 100mGy. The findings confirm that an indicated PET scan may be performed in pregnancy at acceptable radiation dose. Relatively straightforward modification of the standard scanning protocol will reduce the estimated fetal dose. Copyright (2006) The Australian and New Zealand Society of Nuclear Medicine

Results of tooth enamel EPR dosimetry for population living in the vicinity of the Semipalatinsk nuclear test site

Energy Technology Data Exchange (ETDEWEB)

Zhumadilov, K. [Research Institute for Radiation Biology and Medicine, Hiroshima University, 734-8553 (Japan)], E-mail: kassym@hiroshima-u.ac.jp; Ivannikov, A. [Research Institute for Radiation Biology and Medicine, Hiroshima University, 734-8553 (Japan); Medical Radiological Research Center, Obninsk, 249036 (Russian Federation); Apsalikov, K. [Scientific-Research Institute for Radiation Medicine and Ecology, Semipalatinsk 490050 (Kazakhstan); Zhumadilov, Zh. [Semipalatinsk State Medical Academy, Semipalatinsk 490050 (Kazakhstan); Zharlyganova, D. [Research Institute for Radiation Biology and Medicine, Hiroshima University, 734-8553 (Japan); Stepanenko, V.; Skvortsov, V. [Medical Radiological Research Center, Obninsk, 249036 (Russian Federation); Berekenova, G. [Scientific-Research Institute for Radiation Medicine and Ecology, Semipalatinsk 490050 (Kazakhstan); Toyoda, S. [Department of Applied Physics Faculty of Science Okayama University of Science, 700-0005 (Japan); Endo, S.; Tanaka, K. [Research Institute for Radiation Biology and Medicine, Hiroshima University, 734-8553 (Japan); Miyazawa, C. [School of Dentistry, Ohu University, Koriyama-shi, Fukushima Pref. 963-8611 (Japan); Hoshi, M. [Research Institute for Radiation Biology and Medicine, Hiroshima University, 734-8553 (Japan)

2007-07-15

The method of electron paramagnetic resonance (EPR) dosimetry was used on human tooth enamel to obtain individual absorbed doses of residents of settlements in the vicinity of the Nuclear Test Site (SNTS) in Semipalatinsk region, Kazakhstan. Measured teeth were extracted according to medical indications. In total, 105 tooth enamel samples were analyzed, including eight tooth samples from control settlement Kokpekty, which is located 400 km to the Southeast from SNTS and was not subjected to any radioactive contamination. It was found that the excess doses obtained after subtraction of the contribution of natural background radiation ranged up to about 440 mGy for residents of Dolon, whose tooth enamel was formed before 1949, and do not exceed 100 mGy for younger residents. For residents of Mostik, excess doses do not exceed 100 mGy for all ages except in one resident, for whom an extremely high dose of 1250 mGy was registered. For Bodene settlement, excess doses higher than 100 mGy were obtained for two samples from the residents having enamel formed before 1949. An extremely high dose (2800{+-}400 mGy) was obtained for one resident of Semipalatinsk City. The average excess dose for Semipalatinsk samples with enamel formation before 1949 was determined close to the average excess dose for tooth enamel samples from Dolon village.

Histological variations in liver of freshwater fish Oreochromis mossambicus exposed to 60Co gamma irradiation

International Nuclear Information System (INIS)

Sadiq Bukhari, A.; Syed Mohamed, H.E.; Broos, K.V.; Stalin, A.; Singhal, R.K.; Venubabu, P.

2012-01-01

The irradiation effect of 60 Co at the three dose level of 3 mGy, 30 mGy and 300 mGy on the histology of liver of the freshwater fish Oreochromis mossambicus was investigated. The liver of O. mossambicus was dissected out and processed for light microscopy studies. 60 Co exposed O. mossambicus were found to result in several alterations in the histoarchitecture of liver. The alterations included mild congestion of blood vessels, structural alteration, cellular swelling, vacuolation and necrotic liver cells, indicating a definite response to 60 Co irradiation. The results suggest that the liver of O. mossambicus exposed to 60 Co were structurally altered with increasing dose levels. It is to record that alteration in the liver does not affect the physiology, behaviour or lethality of the individuals. Self regulating mechanisms would have influenced the liver to remain sustained. To confirm the same further studies in the direction by increasing dose level is required. - Highlights: ► Fish Oreochromis mossambicus irradiated to the dose of 3 mGy, 30 mGy and 300 mGy. ► Histoarchitecture of liver altered with increasing dose levels of 60 Co. ► Alteration in the liver does not affect the physiology, behaviour or lethality. ► Self regulating mechanisms might have prevented from Lethality. ► HSI index value for exposed group reported ( 60 Co.

Investigating the embryo/larval toxic and genotoxic effects of {gamma} irradiation on zebrafish eggs

Energy Technology Data Exchange (ETDEWEB)

Simon, O., E-mail: olivier.simon@irsn.fr [Laboratoire de Radioecologie et d' Ecotoxicologie, Institut de Radioprotection et de Surete Nucleaire, Cadarache, Bat 186, BP3, 13115 Saint-Paul-lez-Durance Cedex (France); Massarin, S. [Laboratoire de Modelisation Environnementale, Institut de Radioprotection et de Surete Nucleaire, Cadarache, Bat 159, BP3, 13115 Saint-Paul-lez-Durance Cedex (France); Coppin, F. [Laboratoire de Radioecologie et d' Ecotoxicologie, Institut de Radioprotection et de Surete Nucleaire, Cadarache, Bat 186, BP3, 13115 Saint-Paul-lez-Durance Cedex (France); Hinton, T.G. [Service d' Etude du Comportement des Radionucleides dans les Ecosystemes, Institut de Radioprotection et de Surete Nucleaire, Cadarache, Bat 159, BP3, 13115 Saint-Paul-lez-Durance Cedex (France); Gilbin, R. [Laboratoire de Radioecologie et d' Ecotoxicologie, Institut de Radioprotection et de Surete Nucleaire, Cadarache, Bat 186, BP3, 13115 Saint-Paul-lez-Durance Cedex (France)

2011-11-15

Eggs/larval of freshwater fish (Danio rerio) were exposed to low dose rates of external gamma radiation (from 1 to 1000 mGy d{sup -1}) over a 20-day period, with the objective of testing the appropriateness of the 10 mGy d{sup -1} guideline suggested by the IAEA. The present study examines different endpoints, mortality and hatching time and success of embryos as well as the genotoxicity of {gamma}-irradiations (after 48 h). The 20-day embryo-larval bioassay showed an enhanced larval resistance to starvation after chronic exposure to {gamma} irradiation (from low 1 mGy d{sup -1} to high dose rate 1000 mGy d{sup -1}) and an acceleration in hatching time. Gamma irradiation led to increased genotoxic damage Ito zebrafish egg (40-50% DNA in tail in Comet assay) from the lowest dose rate (1 mGy d{sup -1}). Possible mechanisms of {gamma} radiotoxicity and implications for radioprotection are discussed. - Highlights: > Relevant information on the {gamma} radiation impact on early life stage biota is scarce. > The eggs of zebrafish Danio rerio were selected as biological model. > We test the appropriateness of the 10 mGy d{sup -1} guideline (IAEA). > We observed effects measured at individual levels (starvation, hatching time). > Chronic gamma irradiation led to increased genotoxic damage to zebrafish egg. > {gamma} radiotoxicity mechanisms and implications for radioprotection are discussed.

Clinical application of low-dose spiral CT for orthodontics

International Nuclear Information System (INIS)

Xie Na; Gan Yungen; Shu Huang; Lin FeiFei; Li Zhiyong; Sun Jie

2009-01-01

Objective: To determine the effect of reducing the value of mA or kV on the image quality and the radiation dose of the patients undergoing low-dose spiral CT for orthodontics. Methods: Thirty patients were divided into three groups, each group has 10 patients. They were group 1 (80 kV and 200 mA), group 2 (120 kV and 80 mA), group 3 (120 kV and 200 mA) The volume CT dose index (CTDI) was recorded and the average dose-length produce (DLP) was calculated in three groups,respectively. Image quality of three groups were compared and scored by two radiologists, and the results were statistically analysed. Results: The CTDI and DLP of 80 kV group (group 2) were 8.7 mGy and (36.80 ± 3.60) mGy · cm, respectively, those of 80 mA group (group 3) were 19.6 mGy and (82.14 ± 7.18) mGy · cm, respectively, and those of conventional-dose group (group 1) were 19.6 mGy and (82.14 ± 7.18) mGy · cm, respectively. There was no significant difference among three groups in diagnostic image quality. Conclusions: Low-dose spiral CT for orthodontics, especially the low-kV scan, may decrease the radiation exposure and guarantee the image quality. (authors)

Assessment of Patients’ Entrance Skin Dose from Diagnostic X-ray Examinations at Public Hospitals of Akwa Ibom State, Nigeria

Directory of Open Access Journals (Sweden)

Esen Nsikan U

2015-07-01

Full Text Available Introduction High doses of ionizing radiation can lead to adverse health outcomes such as cancer induction in humans. Although the consequences are less evident at very low radiation doses, the associated risks are of societal importance. This study aimed at assessing entrance skin doses (ESDs in patients undergoing selected diagnostic X-ray examinations at public hospitals of Akwa Ibom State, Nigeria. Materials and Methods In total, six examinations were performed on 720 patients in this study.   CALDose_X5 software program was used in estimating ESDs based on patients’ information and technical exposure parameters. Results The estimated ESDs ranged from 0.59 to 0.61 mGy for PA and RLAT projections of the thorax, respectively. ESDs for the AP and RLAT projections of the cranium were 1.65 and 1.48 mGy, respectively. Also, ESD values for the AP view of the abdomen and pelvis were 1.89 and 1.88 mGy, respectively. The mean effective dose was within the range of 0.021-0.075 mGy for the thorax (mean= 0.037, 0.008-0.045 mGy for the cranium (mean= 0.016, 0.215-0.225 mGy for the abdomen (mean= 0.219 and 0.101-0.119 mGy for the pelvis (mean= 0.112. Conclusion The obtained results were comparable to the international reference dose levels, except for the PA projection of the thorax. Therefore, quality assurance programs are required in diagnostic X-ray units of Nigeria hospitals. The obtained findings add to the available data and can help authorities establish reference dose levels for diagnostic radiography in Nigeria.

Determining and managing fetal radiation dose from diagnostic radiology procedures in Turkey

International Nuclear Information System (INIS)

Ozbayrak, Mustafa; Cavdar, Iffet; Seven, Mehmet; Uslu, Lebriz; Yeyin, Nami; Tanyildizi, Handan; Abuqbeitah, Mohammad; Acikgoz, A. Serdar; Tuten, Abdullah; Demir, Mustafa

2015-01-01

We intended to calculate approximate fetal doses in pregnant women who underwent diagnostic radiology procedures and to evaluate the safety of their pregnancies. We contacted hospitals in different cities in Turkey where requests for fetal dose calculation are usually sent. Fetal radiation exposure was calculated for 304 cases in 218 pregnant women with gestational ages ranging from 5 days to 19 weeks, 2 days. FetDose software (ver. 4.0) was used in fetal dose calculations for radiographic and computed tomography (CT) procedures. The body was divided into three zones according to distance from the fetus. The first zone consisted of the head area, the lower extremities below the knee, and the upper extremities; the second consisted of the cervicothoracic region and upper thighs; and the third consisted of the abdominopelvic area. Fetal doses from radiologic procedures between zones were compared using the Kruskal-Wallis test and a Bonferroni-corrected Mann-Whitney U-test. The average fetal doses from radiography and CT in the first zone were 0.05 ± 0.01 mGy and 0.81 ± 0.04 mGy, respectively; 0.21 ± 0.05 mGy and 1.77 ± 0.22 mGy, respectively, in the second zone; and 6.42 ± 0.82 mGy and 22.94 ± 1.28 mGy, respectively, in the third zone (p < 0.001). Our results showed that fetal radiation exposures in our group of pregnant women did not reach the level (50 mGy) that is known to increase risk for congenital anomalies. Fetal radiation exposure in the diagnostic radiology procedures in our study did not reach risk levels that might have indicated abortion

Determining and managing fetal radiation dose from diagnostic radiology procedures in Turkey

Energy Technology Data Exchange (ETDEWEB)

Ozbayrak, Mustafa; Cavdar, Iffet; Seven, Mehmet; Uslu, Lebriz; Yeyin, Nami; Tanyildizi, Handan; Abuqbeitah, Mohammad; Acikgoz, A. Serdar; Tuten, Abdullah; Demir, Mustafa [Istanbul University, Istanbul (Turkmenistan)

2015-12-15

We intended to calculate approximate fetal doses in pregnant women who underwent diagnostic radiology procedures and to evaluate the safety of their pregnancies. We contacted hospitals in different cities in Turkey where requests for fetal dose calculation are usually sent. Fetal radiation exposure was calculated for 304 cases in 218 pregnant women with gestational ages ranging from 5 days to 19 weeks, 2 days. FetDose software (ver. 4.0) was used in fetal dose calculations for radiographic and computed tomography (CT) procedures. The body was divided into three zones according to distance from the fetus. The first zone consisted of the head area, the lower extremities below the knee, and the upper extremities; the second consisted of the cervicothoracic region and upper thighs; and the third consisted of the abdominopelvic area. Fetal doses from radiologic procedures between zones were compared using the Kruskal-Wallis test and a Bonferroni-corrected Mann-Whitney U-test. The average fetal doses from radiography and CT in the first zone were 0.05 ± 0.01 mGy and 0.81 ± 0.04 mGy, respectively; 0.21 ± 0.05 mGy and 1.77 ± 0.22 mGy, respectively, in the second zone; and 6.42 ± 0.82 mGy and 22.94 ± 1.28 mGy, respectively, in the third zone (p < 0.001). Our results showed that fetal radiation exposures in our group of pregnant women did not reach the level (50 mGy) that is known to increase risk for congenital anomalies. Fetal radiation exposure in the diagnostic radiology procedures in our study did not reach risk levels that might have indicated abortion.

SU-E-P-08: Establishment of Local Diagnostic Reference Levels of Routine Abdomen Exam in Computed Tomography According to Body Weight

International Nuclear Information System (INIS)

Wang, H; Wang, Y; Weng, H

2015-01-01

Purpose: The national diagnostic reference levels (NDRLs) is an efficient, concise and powerful standard for optimizing radiation protection of a patient. However, for each hospital the dose-reducing potential of focusing on establishment of local DRLs (LDRLs). A lot of study reported that Computed tomography exam contributed majority radiation dose in different medical modalities, therefore, routine abdomen CT exam was choose in initial pilot study in our study. Besides the mAs of routine abdomen CT exam was decided automatic exposure control by linear attenuation is relate to body shape of patient. In this study we would like to establish the local diagnostic reference levels of routine abdomen exam in computed tomography according to body weight of patient. Methods and Materials: There are two clinical CT scanners (a Toshiba Aquilion and a Siemens Sensation) were performed in this study. For CT examinations the basic recommended dosimetric quantity is the Computed Tomography Dose Index (CTDI). The patient sample involved 82 adult patients of both sexes and divided into three groups by their body weight (50–60 kg, 60–70 kg, 70–80 kg).Carried out the routine abdomen examinations, and all exposure parameters have been collected and the corresponding CTDIv and DLP values have been determined. The average values were compared with the European DRLs. Results: The majority of patients (75%) were between 50–70 Kg of body weight, the numbers of patient in each group of weight were 40–50:7; 50–60:29; 60–70:33; 70–80:13. The LDRLs in each group were 10.81mGy, 14.46mGy, 20.27mGy and 21.04mGy, respectively. The DLP were 477mGy, 630mGy, 887mGy and 959mGy, respectively. No matter which group the LDRLs were lower than European DRLs. Conclusions: We would like to state that this was a pioneer work in local hospital in Chiayi. We hope that this may lead the way to further developments in Taiwan

Computed Tomography (CT) radiation dose in children: A survey to propose regional diagnostic reference levels in Greater Accra-Ghana

International Nuclear Information System (INIS)

Addo, Patience

2016-07-01

The aim of this work was to assess the doses delivered to paediatric patients during computed tomography (CT) examinations of the head, chest and abdomen, and establishing regional diagnostic reference levels (RDRLs) for four age groups. The patient data, technique parameters and dose descriptors collected include: age, sex, tube voltage, tube current, rotation time, slice thickness, scan length, volume CT dose index (CTDI_v_o_l) and dose length product (DLP). Currently, paediatric CT examinations account for 11% of radiation exposure. For the paediatric age groups; < 1 year, (1-5 years), (6-10 years) and (11-15 years), the proposed RDRLs for head in terms of CTDI_v_o_l are (28, 38, 48 and 86 mGy) and in terms of DLP; (395, 487, 601, 1614 mGy cm) respectively. For Chest examinations, proposed RDRLs in terms of CTDI_v_o_l are (1 and 5 mGy) and in terms of DLP; (18 and 110 mGy cm) for age groups; < 1 year and (1-5 years) respectively. For Abdomino-pelvic examinations, proposed RDRLs in terms of CTDI_v_o_l are (3, 3 and 10 mGy) and in terms of DLP; (71, 120 and 494 mGy cm) for age groups; < 1 year, (1-5 years) and (6-10 years) respectively. For abdomen examinations, proposed RDRLs in terms of CTDI_v_o_l are (3, 5 and 5 mGy) and in terms of DLP; (83, 124 and 233 mGy cm) for age groups; < 1 year, (1-5 years) and (11-15 years) respectively. RDRLs have been proposed for CTDI_v_o_l and DLP for head, chest, abdomen and Abdomino-pelvic paediatric CT examinations in this study. An optimisation is required for 11-15 years age group for the DLP values which was higher than their corresponding international DRLs. For an effective optimization of patient protection a trade-off between image quality and patients doses studies should be investigated. (au)

TH-AB-207A-03: Skin Dose to Patients Receiving Multiple CTA and CT Exams of the Head

International Nuclear Information System (INIS)

Nawfel, RD; Young, G

2016-01-01

Purpose: To measure patient skin dose from CT angiography (CTA) and CT exams of the head, and determine if patients having multiple exams could receive cumulative doses that approach or exceed deterministic thresholds. Methods: This study was HIPAA compliant and conducted with IRB approval. Patient skin doses were measured over a 4 month period using nanoDot OSL dosimeters placed on the head of 52 patients for two CT scanners. On each scanner, 26 patients received CT exams (scanner 1: 10 females, 16 males, mean age 64.2 years; scanner 2: 18 females, 8 males, mean age 61.2 years). CT exam dose metrics, CTDIvol and dose-length product (DLP) were recorded for each exam. Additionally, skin dose was measured on an acrylic skull phantom in each scanner and on a neuro-interventional imaging system using clinical protocols. Measured dose data was used to estimate peak skin dose (PSD) for 4 patients receiving multiple exams including CTA, head CT, and cerebral angiography. Results: For scanner 1, the mean PSD for CTA exams (98.9 ± 5.3 mGy) and for routine head CT exams (39.2 ± 3.7 mGy) agreed reasonably well with the PSD measured on the phantom, 105.4 mGy and 40.0 mGy, respectively. Similarly for scanner 2, the mean PSD for CTA exams (98.8 ± 7.4 mGy) and for routine head CT exams (42.9 ± 9.4 mGy) compared well with phantom measurements, 95.2 mGy and 37.6 mGy, respectively. In addition, the mean PSD was comparable between scanners for corresponding patient exams, CTA and routine head CT respectively. PSD estimates ranged from 1.9 – 4.5 Gy among 4 patients receiving multiple exams. Conclusion: Patients having several exams including both CTA and routine head CT may receive cumulative doses approaching or exceeding the threshold for single dose deterministic effects.

Average glandular dose in digital mammography and breast tomosynthesis

Energy Technology Data Exchange (ETDEWEB)

Olgar, T. [Ankara Univ. (Turkey). Dept. of Engineering Physics; Universitaetsklinikum Leipzig AoeR (Germany). Klinik und Poliklinik fuer Diagnostische und Interventionelle Radiologie; Kahn, T.; Gosch, D. [Universitaetsklinikum Leipzig AoeR (Germany). Klinik und Poliklinik fuer Diagnostische und Interventionelle Radiologie

2012-10-15

Purpose: To determine the average glandular dose (AGD) in digital full-field mammography (2 D imaging mode) and in breast tomosynthesis (3 D imaging mode). Materials and Methods: Using the method described by Boone, the AGD was calculated from the exposure parameters of 2247 conventional 2 D mammograms and 984 mammograms in 3 D imaging mode of 641 patients examined with the digital mammographic system Hologic Selenia Dimensions. The breast glandular tissue content was estimated by the Hologic R2 Quantra automated volumetric breast density measurement tool for each patient from right craniocaudal (RCC) and left craniocaudal (LCC) images in 2 D imaging mode. Results: The mean compressed breast thickness (CBT) was 52.7 mm for craniocaudal (CC) and 56.0 mm for mediolateral oblique (MLO) views. The mean percentage of breast glandular tissue content was 18.0 % and 17.4 % for RCC and LCC projections, respectively. The mean AGD values in 2 D imaging mode per exposure for the standard breast were 1.57 mGy and 1.66 mGy, while the mean AGD values after correction for real breast composition were 1.82 mGy and 1.94 mGy for CC and MLO views, respectively. The mean AGD values in 3 D imaging mode per exposure for the standard breast were 2.19 mGy and 2.29 mGy, while the mean AGD values after correction for the real breast composition were 2.53 mGy and 2.63 mGy for CC and MLO views, respectively. No significant relationship was found between the AGD and CBT in 2 D imaging mode and a good correlation coefficient of 0.98 in 3 D imaging mode. Conclusion: In this study the mean calculated AGD per exposure in 3 D imaging mode was on average 34 % higher than for 2 D imaging mode for patients examined with the same CBT.

Average glandular dose in digital mammography and breast tomosynthesis

International Nuclear Information System (INIS)

Olgar, T.; Universitaetsklinikum Leipzig AoeR; Kahn, T.; Gosch, D.

2012-01-01

Purpose: To determine the average glandular dose (AGD) in digital full-field mammography (2 D imaging mode) and in breast tomosynthesis (3 D imaging mode). Materials and Methods: Using the method described by Boone, the AGD was calculated from the exposure parameters of 2247 conventional 2 D mammograms and 984 mammograms in 3 D imaging mode of 641 patients examined with the digital mammographic system Hologic Selenia Dimensions. The breast glandular tissue content was estimated by the Hologic R2 Quantra automated volumetric breast density measurement tool for each patient from right craniocaudal (RCC) and left craniocaudal (LCC) images in 2 D imaging mode. Results: The mean compressed breast thickness (CBT) was 52.7 mm for craniocaudal (CC) and 56.0 mm for mediolateral oblique (MLO) views. The mean percentage of breast glandular tissue content was 18.0 % and 17.4 % for RCC and LCC projections, respectively. The mean AGD values in 2 D imaging mode per exposure for the standard breast were 1.57 mGy and 1.66 mGy, while the mean AGD values after correction for real breast composition were 1.82 mGy and 1.94 mGy for CC and MLO views, respectively. The mean AGD values in 3 D imaging mode per exposure for the standard breast were 2.19 mGy and 2.29 mGy, while the mean AGD values after correction for the real breast composition were 2.53 mGy and 2.63 mGy for CC and MLO views, respectively. No significant relationship was found between the AGD and CBT in 2 D imaging mode and a good correlation coefficient of 0.98 in 3 D imaging mode. Conclusion: In this study the mean calculated AGD per exposure in 3 D imaging mode was on average 34 % higher than for 2 D imaging mode for patients examined with the same CBT.

Standardised approach to optimisation

International Nuclear Information System (INIS)

Warren-Forward, Helen M.; Beckhaus, Ronald

2004-01-01

Optimisation of radiographic images is said to have been obtained if the patient has achieved an acceptable level of dose and the image is of diagnostic value. In the near future, it will probably be recommended that radiographers measure patient doses and compare them to reference levels. The aim of this paper is to describe a standardised approach to optimisation of radiographic examinations in a diagnostic imaging department. A three-step approach is outlined with specific examples for some common examinations (chest, abdomen, pelvis and lumbar spine series). Step One: Patient doses are calculated. Step Two: Doses are compared to existing reference levels and the technique used compared to image quality criteria. Step Three: Appropriate action is taken if doses are above the reference level. Results: Average entrance surface doses for two rooms were as follows AP Abdomen (6.3mGy and 3.4mGy); AP Lumbar Spine (6.4mGy and 4.1mGy) for AP Pelvis (4.8mGy and 2.6mGy) and PA chest (0.19mGy and 0.20mGy). Comparison with the Commission of the European Communities (CEC) recommended techniques identified large differences in the applied potential. The kVp values in this study were significantly lower (by up to lOkVp) than the CEC recommendations. The results of this study have indicated that there is a need to monitor radiation doses received by patients undergoing diagnostic radiography examinations. Not only has the assessment allowed valuable comparison with International Diagnostic Reference Levels and Radiography Good Practice but has demonstrated large variations in mean doses being delivered from different rooms of the same radiology department. Following the simple 3-step approach advocated in this paper should either provide evidence that department are practising the ALARA principle or assist in making suitable changes to current practice. Copyright (2004) Australian Institute of Radiography

SU-E-P-08: Establishment of Local Diagnostic Reference Levels of Routine Abdomen Exam in Computed Tomography According to Body Weight

Energy Technology Data Exchange (ETDEWEB)

Wang, H; Wang, Y; Weng, H [Chiayi Chang Gung Memorial Hospital of The C.G.M.F, Puzi City, Chiayi County, Taiwan (China)

2015-06-15

Purpose: The national diagnostic reference levels (NDRLs) is an efficient, concise and powerful standard for optimizing radiation protection of a patient. However, for each hospital the dose-reducing potential of focusing on establishment of local DRLs (LDRLs). A lot of study reported that Computed tomography exam contributed majority radiation dose in different medical modalities, therefore, routine abdomen CT exam was choose in initial pilot study in our study. Besides the mAs of routine abdomen CT exam was decided automatic exposure control by linear attenuation is relate to body shape of patient. In this study we would like to establish the local diagnostic reference levels of routine abdomen exam in computed tomography according to body weight of patient. Methods and Materials: There are two clinical CT scanners (a Toshiba Aquilion and a Siemens Sensation) were performed in this study. For CT examinations the basic recommended dosimetric quantity is the Computed Tomography Dose Index (CTDI). The patient sample involved 82 adult patients of both sexes and divided into three groups by their body weight (50–60 kg, 60–70 kg, 70–80 kg).Carried out the routine abdomen examinations, and all exposure parameters have been collected and the corresponding CTDIv and DLP values have been determined. The average values were compared with the European DRLs. Results: The majority of patients (75%) were between 50–70 Kg of body weight, the numbers of patient in each group of weight were 40–50:7; 50–60:29; 60–70:33; 70–80:13. The LDRLs in each group were 10.81mGy, 14.46mGy, 20.27mGy and 21.04mGy, respectively. The DLP were 477mGy, 630mGy, 887mGy and 959mGy, respectively. No matter which group the LDRLs were lower than European DRLs. Conclusions: We would like to state that this was a pioneer work in local hospital in Chiayi. We hope that this may lead the way to further developments in Taiwan.

TH-AB-207A-03: Skin Dose to Patients Receiving Multiple CTA and CT Exams of the Head

Energy Technology Data Exchange (ETDEWEB)

Nawfel, RD; Young, G [Brigham & Women’s Hospital, Boston, MA (United States)

2016-06-15

Purpose: To measure patient skin dose from CT angiography (CTA) and CT exams of the head, and determine if patients having multiple exams could receive cumulative doses that approach or exceed deterministic thresholds. Methods: This study was HIPAA compliant and conducted with IRB approval. Patient skin doses were measured over a 4 month period using nanoDot OSL dosimeters placed on the head of 52 patients for two CT scanners. On each scanner, 26 patients received CT exams (scanner 1: 10 females, 16 males, mean age 64.2 years; scanner 2: 18 females, 8 males, mean age 61.2 years). CT exam dose metrics, CTDIvol and dose-length product (DLP) were recorded for each exam. Additionally, skin dose was measured on an acrylic skull phantom in each scanner and on a neuro-interventional imaging system using clinical protocols. Measured dose data was used to estimate peak skin dose (PSD) for 4 patients receiving multiple exams including CTA, head CT, and cerebral angiography. Results: For scanner 1, the mean PSD for CTA exams (98.9 ± 5.3 mGy) and for routine head CT exams (39.2 ± 3.7 mGy) agreed reasonably well with the PSD measured on the phantom, 105.4 mGy and 40.0 mGy, respectively. Similarly for scanner 2, the mean PSD for CTA exams (98.8 ± 7.4 mGy) and for routine head CT exams (42.9 ± 9.4 mGy) compared well with phantom measurements, 95.2 mGy and 37.6 mGy, respectively. In addition, the mean PSD was comparable between scanners for corresponding patient exams, CTA and routine head CT respectively. PSD estimates ranged from 1.9 – 4.5 Gy among 4 patients receiving multiple exams. Conclusion: Patients having several exams including both CTA and routine head CT may receive cumulative doses approaching or exceeding the threshold for single dose deterministic effects.

Maltese CT doses for commonly performed examinations demonstrate alignment with published DRLs across europe

International Nuclear Information System (INIS)

Zarb, F.; McEntee, M.; Rainford, L.

2012-01-01

This work recommends dose reference levels (DRLs) for abdomen, chest and head computerised tomography (CT) examinations in Malta as the first step towards national CT dose optimisation. Third quartiles volume CT dose index values for abdomen: 12.1 mGy, chest: 13.1 mGy and head: 41 mGy and third quartile dose-length product values for abdomen: 539.4, chest: 492 and head: 736 mGy cm -1 are recommended as Maltese DRLs derived from this first Maltese CT dose survey. These values compare well with DRLs of other European countries indicating that CT scanning in Malta is consistent with standards of good practice. Further work to minimise dose without affecting image quality and extending the establishment of DRLs for other CT examinations is recommended. (authors)

Kultuuritehas : masinad, naised, muusika / Rednar Annus

Index Scriptorium Estoniae

Annus, Rednar, 1970-

2006-01-01

Kultuuritehase festival 18.-27.augustini 2006 a. Kultuuritehases Polymer. Lähemalt Erik Alalooga tööst "Väga mõnusad masinad", Inna Joosti töödest "Orkaan Katrina" ja "Maakera", Taavi Piibemanni fotoseeriast "Morbiid lendas üle", Kadri Metstaki, Edith Karlsoni, Marje Mee ja Delina Reissi kipsskulptuurist "Linda", Raul Viitungi fotonäitusest "Aborigeenid", Maiu Kurvitsa fotoseeriast "Kollanemees - kangelane, kes võidab naeratusega maailma", Ed Labetski ja Agu Visaku installatsioonist "Korrektne?"

Uued filmid: õiglus, õilsus ja maagiline kiiker / Kaarel Kressa

Index Scriptorium Estoniae

Kressa, Kaarel, 1983-

2011-01-01

Viru keskuse Katusekinos esilinastub 30. juunil Jaak Kilmi ja Kiur Aarma "Mattise martüürium". Lõppesid Eesti-Soome koostööptojekti "Rat King" võtted. Lõpevad Eesti-Läti-Valgevene ühistöö, "Peeter Simmi "Üksiku saare" võtted. Sellel aastal peaksid algama Ain Mäeotsa filmi "Deemonid", Kadri Kõusaare filmi "Euroopa psühho", Hardi Volmeri filmi "Remont" ja Kanadas Tanel Toomi filmi "Black Ice" võtted

"Olen õppinud piirangutest lugu pidama, ettetulevaid takistusi eelisteks pöörama" / Noam Ben-Jacov ; interv. Silja Saarepuu ja Villu Plink

Index Scriptorium Estoniae

Ben-Jacov, Noam, 1952-

2006-01-01

Iisraeli päritolu hollandi ehte- ja installatsioonikunstnik Noam Ben-Jacovist, kes juhendas Eesti Kunstiakadeemias ehte- ja sepakunsti eriala üliõpilaste meistriklassi. N. Ben-Jacov nimetab oma töid kehaskulptuurideks (body-sculpture, body-related objects), mida ta esitleb performance'ites. Osaga nädala jooksul valminud töödest saab kuni 12. XI tutvuda Põhja puiestee 27a asuvas endise Tallinna elektrijaama katlamaja ruumides. Kadri Mälk Noam Ben-Jacovist

Etteheited räsivad pidu / Henri Reeder, Ly Rääsk, Heli Jürgenson ... [jt.] ; intervjueerinud Anneli Aasmäe

Index Scriptorium Estoniae

2009-01-01

Küsimustele tänavusele üldlaulu- ja üldtantsupeole minekust ja peo repertuaari raskusest vastavad Aruküla noortekoori laulja Henri Reeder, Äksi segakoori dirigent Ly Rääsk, üldlaulupeo segakooride liigijuht Heli Jürgenson, Laulu- ja Tantsupeo SA muusikatoimetaja Ave Sopp, Laulu- ja Tantsupeo SA tantsutoimetaja Kadri Tiis , Lüganuse segakoori dirigent Priit-Andres Pärtna ja kolme tantsurühma juhendaja Vändrast Kädi Pärnoja

Cultural differences in postnatal quality of life among German-speaking women - a prospective survey in two countries.

Science.gov (United States)

Grylka-Baeschlin, Susanne; van Teijlingen, Edwin; Gross, Mechthild M

2014-08-15

Assessment of quality of life after childbirth is an important health-outcome measurement for new mothers and is of special interest in midwifery. The Mother-Generated Index (MGI) is a validated instrument to assess postnatal quality of life. The tool has not been applied for making a cross-cultural comparison before. This study investigated (a) responses to the MGI in German-speaking women in Germany and Switzerland; and (b) associations between MGI scores on the one hand and maternity and midwifery care on the other. A two-stage survey was conducted in two rural hospitals 10 km apart, on opposite sides of the German-Swiss border. The questionnaires included the MGI and questions on socio-demographics, physical and mental health and maternity care, and were distributed during the first days after birth and six weeks postpartum. Parametric and non-parametric tests were computed with the statistical programme SPSS. A total of 129 questionnaires were returned an average of three days after birth and 83 in the follow-up after seven weeks. There were no statistically significant differences in the MGI scores between the German and the Swiss women (p = 0.22). Significantly more favourable MGI scores were found associated with more adequate information during pregnancy (p = 0.02), a more satisfactory birth experience (p German-speaking women were higher than those in other studies reported previously. Thus the tool may be able to detect differences in postnatal quality of life among women with substantially divergent cultural backgrounds. Shortcomings in maternity and midwifery care were detected, as for example the inadequate provision of information during pregnancy, a lack of individualised postpartum care during the hospital stay and insufficient support for exclusively breastfeeding mothers. The MGI is an appropriate instrument for maternity care outcome measurement in cross-cultural comparison research.

Electron beam irradiation effects on carbon fiber reinforced PEEK composite

International Nuclear Information System (INIS)

Sasuga, Tsuneo; Hagiwara, Miyuki; Odajima, Tosikazu; Sakai, Hideo; Nakakura, Toshiyuki; Masutani, Masahiro.

1987-03-01

Carbon fiber(CF) reinforced composites, using polyarylether-sulfone (PES) or polyarylether-ether-ketone (PEEK) as matrix material, were prepared and their electron beam irradiation effects were studied on the basis of changes in mechanical and dynamic viscoelastic properties and observation of fracture surfaces. The flexural strength of PES-CF composite decreased to 70 % of the initial strength after the irradiation of 3 MGy and 40 % after 15 MGy. The change in the profile of stress-strain (S-S) curves and fractographic observation by electron microscopy indicated that this composite irradiated with over 3 MGy was fractured by delamination caused by to the degradation of matrix polymer. The mechanical properties of PEEK-CF composite were scarcely decreased even after irradiated up to 180 MGy and this composite showed very high radiation resistance. The change in the profile of S-S curves and fractographic observation showed that this composite fractured due to destruction of fiber in the dose range less than 180 MGy, indicating that PEEK was excellent matrix material used in high radiation field. PEEK-PES-CF composite which was composed of the carbon fibers coated with PES solution showed less radiation resistance compared with PEEK-CF composite; the flexural strength decreased to 85 % of the initial value after the irradiation with 90 MGy. It was revealed from the changes in the profile of S-S curve that the specimen irradiated over 120 MGy was fractured due to not only fiber destruction but delamination. Deterioration mechanism of PEEK-PES-CF composite was studied by dynamic viscoelastic measurements in connection with the damage on matrix-fiber interface. It was suggested that the deterioration in mechanical properties of this composite was caused by the degradation of PES that coated on the surface of the carbon fibers. (author)

Effect of low dose radiation on expression of hematopoietic growth factors secreted by human mesenchymal stem cells from bone marrow

International Nuclear Information System (INIS)

Yang Yan; Wang Guanjun; Zhu Jingyan; Wang Juan

2008-01-01

Objective: To study the changes of hematopoietic growth factors secreted by human mesenchymal stem cells from bone marrow (BM-MSC) pretreated with low dose radiation (LDR). Methods: The cultured P4 and P5 BM-MSCs were exposed to X rays at the doses of 50, 75 and 100 mGy (dose rate 12.5 mGy·min -1 ). The changes of levels of stem cell factor (SCF), IL-6, macrophage colony-stimulating factor (M-CSF) secreted by BM- MSCs pretreated with LDR were determined by ELISA method. Results: As compared with control group at the same time, the levels of SCF in experimental group had a tendency of increasing after 24 h and 48 h radiation, but only in 75 mGy group the SCF level was obviously increased (P<0.05). The levels of IL-6 in 50 and 75 mGy groups at 24 h and 48 h, in 100 mGy group at 24 h were obviously increased compared with control group (P< 0.05). The levels of M-CSF in all the groups at 24 h, 48 h and 72 h except for the 50 mGy dose at 72 h were also increased (P<0.05), it increased markedly in 75 mGy dose group at 72 h. Conclusion: LDR has hormesis effect on BM-MSCs. After LDR, the BM-MSCs grow faster and in a certain phase the expression levels of hematopoietic growth factors are increased. (authors)

Adaptive response of apoptosis in EL-4 lymphoma cells induced by low dose radiation and its mechanism

International Nuclear Information System (INIS)

Liu Shuchun; Gong Pingsheng; Wang Zhicheng; Sun Liguang; Gong Shouliang

2008-01-01

EL-4 lymphoma cells were irradiated with the inductive doses (D1: 25-200 mGy, dose rate: 12.5mGy/min) and the challenging dose (D2:0.5-3.0 Gy, dose rate: 287 mGy/min), and the time interval between D1 and D2 was 6 h. The percentage of cell apoptosis and the expressive levels of cell apoptosis-associated gene pro- reins were measured with flow cytometry. The percentages of cell apoptosis in the D1 + D2 group with 25-100 mGy (D1) and 1.5 Gy (D2) or 75 mGy (D1) and 25-200 mGy (D2) were significantly lower than those in the D2 group. As compared with the D2 group, the positive percentage of cell Bcl-2 protein expression increased somewhat, and Bax decreased significantly, meanwhile the ratio of Bcl-2/Bax increased significantly and p53 decreased somewhat in D1 + D2 group with 25-100 mGy (D1) and 1.5 Gy (D2). The adaptive response of EL-4 lymphoma cell apoptosis could be induced by pre-irradiation with 25-100 mGy. Meantime, the expressive levels of cell apoptosis-associated gene Bcl-2, Bax and p53 proteins could change accordingly with cell apoptosis. These gene protein changes may play an important role in the mechanism of the adaptive response. (authors)

Correlation of patient maximum skin doses in cardiac procedures with various dose indicators

International Nuclear Information System (INIS)

Domienik, J.; Papierz, S.; Jankowski, J.; Peruga, J.Z.; Werduch, A.; Religa, W.

2008-01-01

In most countries of European Union, legislation requires the determination of the total skin dose received by patients during interventional procedures in order to prevent deterministic damages. Various dose indicators like dose-area product (DAP), cumulative dose (CD) and entrance dose at the patient plane (EFD) are used for patient dosimetry purposes in clinical practice. This study aimed at relating those dose indicators with doses ascribed to the most irradiated areas of the patient skin usually expressed in terms of local maximal skin dose (MSD). The study was performed in two different facilities for two most common cardiac procedures coronary angiography (CA) and percutaneous coronary interventions (PCI). For CA procedures, the registered values of fluoroscopy time, total DAP and MSD were in the range (0.7-27.3) min, (16-317) Gy cm 2 and (43-1507) mGy, respectively, and for interventions, accordingly (2.1-43.6) min, (17-425) Gy cm 2 , (71-1555) mGy. Moreover, for CA procedures, CD and EFD were in the ranges (295-4689) mGy and (121-1768) mGy and for PCI (267-6524) mGy and (68-2279) mGy, respectively. No general and satisfactory correlation was found for safe estimation of MSD. However, results show that the best dose indicator which might serve for rough, preliminary estimation is DAP value. In the study, the appropriate trigger levels were proposed for both facilities. (authors)

Impact of Adaptive Statistical Iterative Reconstruction (ASIR) on radiation dose and image quality in aortic dissection studies: a qualitative and quantitative analysis.

Science.gov (United States)

Cornfeld, Daniel; Israel, Gary; Detroy, Ezra; Bokhari, Jamal; Mojibian, Hamid

2011-03-01

The purpose of the study was to quantify the radiation dose reduction achieved when imaging the aorta using Adaptive Statistical Iterative Reconstruction (ASIR) and to determine if this has an effect on image quality. We retrospectively reviewed 31 CT angiography examinations of the thoracic and abdominal aorta performed with ASIR and 32 consecutive similar examinations performed without ASIR. Volume CT dose index (CTDI(vol)), dose-length product (DLP), aortic enhancement at multiple levels, aorta-to-muscle contrast-to-noise ratio at multiple levels, and subjective image quality were compared between the two groups. The mean CTDI(vol) and DLP were significantly lower for the studies performed with ASIR versus studies without ASIR (15.6 vs 21.5 mGy, with an average difference of 5.8 mGy [95% CI 2.3-9.4 mGy] and 818 vs 1075 mGy × cm with an average difference of -257 mGy × cm [54-460 mGy × cm], respectively). Aortic enhancement, aortic signal-to-noise ratio, and aortic to muscle contrast-to-noise ratio were not different between the two groups. Subjectively, one reviewer preferred the non-ASIR images and one found the images equivalent. Both reviewers believed the images were of diagnostic quality. A 29% decrease in CTDI(vol) and a 20% decrease in DLP were obtained in scans with ASIR compared with scans without ASIR, without a quantitative loss of image quality.

Elutuba keset kaubamaju : Eesti Kunstiakadeemia uus hoone / Triin Ojari

Index Scriptorium Estoniae

Ojari, Triin, 1974-

2008-01-01

Eesti Kunstiakadeemia uue hoone arhitektuurikonkursist, žürii koosseis, väljavõtted žürii lõppraportist. I preemia - "Art Plaza", SEA: Uffe Leth Laursen, Karsten Gori + EFFEKT: Tue Hesselberg Foged, Sinus Lynge (Taani), kaasa töötasid Greta Tedje, Simon Sorensen, Lawrence Aeberhard, Lyndal Brown, Morgan Jacobsen. II preemia - "TLN 247", NAT Architecten (Holland): Frank van Manen, Metin van Zijl, Vincent van der Klei, Tjalf van Dijkhuizen, Suzanna van der Meer, Daniel Aw, Bobby de Graaf, John Kuilman, Niels Limburg. III preemia - "Arts Factory", NERALP-Arquitectura Engenharia e Construcoes LDA (Portugal): Paulo Sergio Goncalves Teixeira de Sousa. Kommenteerib võistluse tingimused koostanud arhitekt Tiit Sild

Reference dose levels for dental panoramic radiography in Anyang City

International Nuclear Information System (INIS)

Han, Mi Ra; Kang, Byung Cheol; Yoon, Suk Ja; Lee, Jae Seo; Kim, Young Hee

2009-01-01

To measure dose-width product (DWP) values used for dental panoramic radiography in Anyang city, Korea. Thirty-six panoramic dental radiographic sets (17 analogue panoramic sets and 19 digital panoramic sets) in 36 dental clinics in Anyang city were included in the study. Each patient's panoramic exposure parameters were simulated and the panoramic radiation doses were measured at the secondary collimator using a Mult-O-Meter (Unfors Instruments, Billdal, Sweden) at each dental clinic during 2006. The third quartile DWP was determined from 310 surface dose measurements on adult. The third quartile DWP for adult panoramic radiograph was 106.7 mGy mm. For analogue and digital panoramic radiograph, 3/4 DWP were 116.8 mGy mm and 72 mGy mm respectively. The overall third quartile DWP of panoramic radiography was 106.7 mGy mm. The measured 3/4 DWPs were higher than the 3/4 DWP of 65 mGy mm recommended by NRPB. Dentists who are operating above the reference dose should lower their panoramic exposure doses below the recommended reference value by changing the exposure parameters and/or their panoramic equipment.

Evaluation of external and internal irradiation on uranium mining enterprise staff by tooth enamel EPR spectroscopy

Science.gov (United States)

Zhumadilov, Kassym; Ivannikov, Alexander; Khailov, Artem; Orlenko, Sergei; Skvortsov, Valeriy; Stepanenko, Valeriy; Kuterbekov, Kairat; Toyoda, Shin; Kazymbet, Polat; Hoshi, Masaharu

2017-11-01

In order to estimate radiation effects on uranium enterprise staff and population teeth samples were collected for EPR tooth enamel dosimetry from population of Stepnogorsk city and staff of uranium mining enterprise in Shantobe settlment (Akmola region, North of Kazakhstan). By measurements of tooth enamel EPR spectra, the total absorbed dose in the enamel samples and added doses after subtraction of the contribution of natural background radiation are determined. For the population of Stepnogorsk city average added dose value of 4 +/- 11 mGy with variation of 51 mGy was obtained. For the staff of uranium mining enterprise in Shantobe settlment average value of added dose 95 +/- 20 mGy, with 85 mGy variation was obtained. Higher doses and the average value and a large variation for the staff, probably is due to the contribution of occupational exposure.

Evaluation of occupational and patient radiation doses in orthopedic surgery

International Nuclear Information System (INIS)

Sulieman, A.; Alzimami, K.; Habeeballa, B.; Osman, H.; Abdelaziz, I.; Sassi, S.A.; Sam, A.K.

2015-01-01

This study intends to measure the radiation dose to patients and staff during (i) Dynamic Hip Screw (DHS) and (ii) Dynamic Cannula Screw (DCS) and to evaluate entrance surface Air kerma (ESAK) dose and organ doses and effective doses. Calibrated Thermoluminescence dosimeters (TLD-GR200A) were used. The mean patients’ doses were 0.46 mGy and 0.07 mGy for DHS and DCS procedures, respectively. The mean staff doses at the thyroid and chest were 4.69 mGy and 1.21 mGy per procedure. The mean organ and effective dose for patients and staff were higher in DHS compared to DCS. Orthopedic surgeons were exposed to unnecessary radiation doses due to the lack of protection measures. The radiation dose per hip procedure is within the safety limit and less than the previous studies

Radiation Measurement And Risk Estimation For Pediatric Patients During Routine Diagnostic Examination

International Nuclear Information System (INIS)

Bushra, E.; Sulieman, A.; Osman, H.

2011-01-01

The aim of the present work was to evaluate Entrance Surface Dose (ESD) to the patient using Thermo luminescence dosimeters (TLD) during some common routine pediatrics X-ray examinations in main pediatrics hospitals in Sudan. ESD and Effective Dose (E) for pediatrics have been carried out for 250 patients undergoing five different examinations. The mean ESD ranged for neonates ranged between 0.17 mGy-0.30 mGy per radiograph with scattered thyroid dose 0.01 to 0.19 mGy. The risk of radiation induced cancer of was 0.13 x 10-6.

Occupational external radiation exposure in the GDR in 1976

International Nuclear Information System (INIS)

Rothe, W.

1980-01-01

In 1976 a total of 36,794 occupationally exposed persons were monitored by the National Board of Nuclear Safety and Radiation Protection, using film badges. The monthly over-exposures (more than 4 mGy) totalled 415. In 11 cases the monthly exposure exceeded 30 mGy and 6 annual exposure values were in the range of 50 to 120 mGy. An attempt has been made to assess the annual collective and annual per caput doses for the exposed population as a whole and some subgroups without completely summing up the individual exposure data. (author)

Evaluation of experimental animal biological state at exposure to low-dose ionizing radiation

International Nuclear Information System (INIS)

Rozanov, V.A.; Rejtarova, T.Je.; Chernyikov, G.B.; Timoshevs'ka, Je.V.; Kozozojeva, O.O.

1997-01-01

New approaches to quantitative evaluation of ionizing radiation absorbed dose within the low-dose range (up to 400 mGy) according to the degree of the organism biological response was developed. The purpose of the stage of the work published in Communication 1 is to evaluate the shifts in the animal behaviour and cellular composition of the blood at irradiation by the dose of 100,200 and 400 mGy. Distinct dose dependence of behaviour reactions and hematological indices within the dose range of 100-400 mGy was not noted

Radiation hormesis of radish using an X-ray photography device

Energy Technology Data Exchange (ETDEWEB)

Sakuma, Atsushi [Asahikawa Kousei Hospital, Hokkaido (Japan)

2000-07-01

Radiation hormesis was studied at an X-ray photography room. Seed of radish (Kaiwaredaikon) was irradiated by X-ray, from 10 to 3000 mGy. Since the growth of plant was the highest around 500 mGy, 100 seeds were irradiated at a dose of 500 mGy. Fifty seeds were selected and the growth rate was measured after 1 and 2 weeks. After 2 weeks, the growth of the seeds irradiated (129{+-}5 mm) was found to be higher than those without irradiation (115{+-}5 mm). (author)

2013 MDEQ-FEMA Rankin-Simpson Co. Lidar Survey

Data.gov (United States)

National Oceanic and Atmospheric Administration, Department of Commerce — Fugro as a subconsultant to MGI was authorized to undertake this project, as a part of Work Order No. 112, dated November 1, 2012, issued to MGI in accordance with...

Evaluation of usability of the shielding effect for thyroid shield for peripheral dose during whole brain radiation therapy

Energy Technology Data Exchange (ETDEWEB)

Yang, Myung Sic; Park, Ju Kyeong; Lee, Seung Hun; Kim, Yang Su; Lee, Sun Young; Cha, Seok Yong [Dept. of Radiation Oncology, Chonbuk National University Hospital, Jeonju (Korea, Republic of)

2014-12-15

To reduce the radiation dose to the thyroid that is affected to scattered radiation, the shield was used. And we evaluated the shielding effect for the thyroid during whole brain radiation therapy. To measure the dose of the thyroid, 300cGy were delivered to the phantom using a linear accelerator(Clinac iX VARIAN, USA.)in the way of the 6MV X-ray in bilateral. To measure the entrance surface dose of the thyroid, five glass dosimeters were placed in the 10th slice's surface of the phantom with a 1.5 cm interval. The average values were calculated by measured values in five times each, using bismuth shield, 0.5 mmPb shield, self-made 1.0 mmPb shield and unshield. In the same location, to measure the depth dose of the thyroid, five glass dosimeters were placed in the 10th slice by 2.5 cm depth of the phantom with a 1.5 cm interval. The average values were calculated by measured values in five times each, using bismuth shield, 0.5 mmPb shield, self-made 1.0 mmPb shield and unshield. Entrance surface dose of the thyroid were respectively 44.89 mGy at the unshield, 36.03 mGy at the bismuth shield, 31.03 mGy at the 0.5 mmPb shield and 23.21 mGy at a self-made 1.0 mmPb shield. In addition, the depth dose of the thyroid were respectively 36.10 mGy at the unshield, 34.52 mGy at the bismuth shield, 32.28 mGy at the 0.5 mmPb shield and 25.50 mGy at a self-made 1.0 mmPb shield. The thyroid was affected by the secondary scattering dose and leakage dose outside of the radiation field during whole brain radiation therapy. When using a shield in the thyroid, the depth dose of thyroid showed 11-30% reduction effect and the surface dose of thyroid showed 20-48% reduction effect. Therefore, by using the thyroid shield, it is considered to effectively protect the thyroid and can perform the treatment.

Lennart Meri pühendusüritus tõi taas kokku kõlavad esinejad / Vahur Koorits

Index Scriptorium Estoniae

Koorits, Vahur, 1981-

2008-01-01

Tallinnas toimuvast president Lennart Meri nimelisest konverentsist teemal "Tabamata Euroopa". Esinejate seas on Euroopa Komisjoni asepresident Siim Kallas, president Toomas Hendrik Ilves, Venemaa presidendi Vladimir Putini majandusnõunik Andrei Illarionov ning ajakirja Economist Ida-Euroopa korrespondent Edward Lucas. Aruteluteemasid tutvustab konverentsi korraldava Rahvusvahelise Kaitseuuringute Keskuse juhataja Kadri Liik. Vt. samas: Euroopa sotsiaaldemokraadid peavad Eestis konverentsi. Tallinnas Reval Hotel Olümpia konverentsisaalis toimuva konverentsi "Sotsiaaldemokraatia perspektiivid 21. sajandi Euroopas" tervitussõnavõtu peab president Toomas Hendrik Ilves

Villa Dollis sündis uus galerii / Aime Jõgi

Index Scriptorium Estoniae

Jõgi, Aime, 1958-

2006-01-01

Pille Jüriso ja Jaanus Samma tööde näitus "Purskkaev ja rõdu" Noore Linna Galeriis Viljandis. Kunstnike siidimaalid ja graafikatööd on saanud inspiratsiooni Euroopa linnade tänava- ja pargivaadetest. Galerii asub Villa Dollis Jakobsoni tänav 8. Galerii juhid Kadri Hallik ja Antti Mäss näituste korraldamisest uues galeriis. Villa Dollist. Hoone kohta kommentaar Mehis Bornilt ja toimetajaveerg "Pärl ootab uut sündi" lk.2

Vikergallup : eesti kirjandus 1999 : [ajakirja Vikerkaar küsitlus

Index Scriptorium Estoniae

2000-01-01

Aut.: Epp Annus, Tõnu Kaalep, Jan Kaus, Vilja Kiisler, Andrus Kivirähk, Valle-Sten Maiste, Hedda Maurer, Anneli Mihkelev, Mihkel Nummert, Aarne Ruben, Olavi Ruitlane, Mihkel Samarüütel, Franȯis Serpent, Karl Martin Sinijärv, Kadri Tüür, Jaak Urmet, Berk Vaher, Andreas Walden, Mart Velsker. 1999. a. parimaks uudisraamatuks tunnistati küsitluse põhjal Jaan Isotamme "Ma olin Johnny B" (Ilmamaa) ja parimaks esikteoseks Kalju Kruusa "Meeleolu" (Erakkond)

Ehtekunsti pidusöök / Heili Sõrmus

Index Scriptorium Estoniae

Sõrmus, Heili

2010-01-01

Rühmituse "Otse!" näitus "Ebatuba" Tallinnas Märzi projektiruumis 22.11.-1.12. Mari Relo-Šaulyse ja Adolfas-Šaulyse näitus "Yes" Eesti Tarbekunsti- ja Disainimuuseumis 9. jaan.-ni 2011. Anneli Tammiku näitus "Des ménages - leibkond" A-Galeriis 6. dets.-ni. Villu Plingi näitus "Tuhat aastat armastust" Iida galeriis 31. jaan. 2011. Kadri Mälgu näitus "Paranatéllonta" Dominiiklasre kloostri Hingepalve kabelis 27.-29.12

Tsenjat za opõt, a ne za vuz / Julia Rodina

Index Scriptorium Estoniae

Rodina, Julia

2007-01-01

Tööturuameti osakonnajuhataja Nele Labi väitel on tööandjad praeguses tööjõupuuduses valmis tööle võtma ka kõrgkoolis õppijaid. Tema sõnul ei mängi suurt rolli see, millise kõrgkooli tööotsija on lõpetanud. CV Keskuse kommertsdirektori Kadri Johansoni sõnul pole märgata, et kohalikud tööandjad eelistaksid just erakõrgkoolide või riiklike kõrgkoolide lõpetanuid

Dosimetry comparison of pelvimetry methods using conventional radiographs and CT

International Nuclear Information System (INIS)

Resten, A.; Suissa, M.; Musset, D.; Mausoleo, F.; Valero, M.; Taylor, S.

2001-01-01

To determine the fetal and maternal exposure to radiation by use of thermoluminescent dosimeters in order to compare conventional and CT-scan X-ray. Dosimetry was performed with an anthropomorph phantom. Thermoluminescent dosimeters were positioned on the surface and in the depth of the phantom. Digital radiography of the pelvis was performed according to a standard technique. CT-scan of the pelvis was performed according to the Buthiau's technique. With CT, the dose reached 0.31 to 4.95 mGy, with a dose of 2.32 mGy for the fetal gonads. With standard technique, the doses reached 0.03 to 0.39 mGy, with a dose of 0.39 mGy for the fetal gonads. With CT the fetus and the mother were exposed to 1/10. of the total dose delivered using conventional X-rays and the dose distribution was more homogeneous. (author)

Radiation hormesis using an x-ray radiography device. The fourth report. Radiation hormesis of salad rocket

International Nuclear Information System (INIS)

Sakuma, Atsushi; Nakayama, Miho

2006-01-01

Radiation hormesis was studied for salad rocket plant (Eruca vesicaria sp.sativa), using different energies of X-ray (100 kV and 10 MV). To get the optimum dose for plant to provide the highest growth, the dose for the seeds was changed from 0 to 3000 mGy using 100 kV of X-ray. The highest growth of the plant was found for the dose of 600 mGy. When the seeds were irradiated to 600 mGy with 100 kV and 10 MV X-rays, in both cases, the growth of the irradiated seeds was higher than those without irradiation, where P-values were 0.0112 and 0.0214, respectively. In the case of 600 mGy irradiation, there was not any significant change in the plant growth between the seeds irradiated with 10 MV and 100 kV X-ray (P=0.862). (author)

Occupational radiation exposure in the GDR in 1980

International Nuclear Information System (INIS)

Poulheim, K.F.; Rothe, W.; Scheler, R.

1982-01-01

As in the previous year, the centralized monitoring of radiation workers for occupational exposure was carried out on the basis of film badges (38,781 persons), measurements with a whole-body counter and analyses of biosamples (351 persons in all). According to the film data, the monthly exposures exceeding 4 mGy totalled 682 including 48 doses higher than 10 mGy. Four workers received annual doses above 50 mGy, with the highest value being 1410 mGy. For the exposed population as a whole and some sub-groups, annual collective and mean annual doses have been given. In assessing internal exposure situation, use has been made of both data from the centralized monitoring program and those determined by some nuclear facilities themselves under the auspices of the SAAS. The results gave no indication of internal doses exceeding the annual limits of intake. (author)

Occupational radiation exposure in the GDR in 1979

International Nuclear Information System (INIS)

Poulheim, K.F.; Rothe, W.; Scheler, R.

1982-01-01

As in the previous year, the centralized monitoring of radiation workers for occupational exposure was carried out on the basis of film badges (38,178 persons), measurements with a whole-body counter (247 persons) and analyses of biosamples (318 persons). According to the film data, the monthly exposures exceeding 4 mGy totalled 610 including 92 doses higher than 10 mGy. Six workers received annual doses above 50 mGy, with the highest value being 123 mGy. For the exposed population as a whole and some sub-groups, annual collective and mean annual doses have been given. In assessing the internal exposure situation, use has been made of both data from the centralized monitoring program and those determined by some nuclear facilities themselves under the auspices of the SAAS. The results gave no indication of internal doses exceeding the annual limits of intake. (author)

Patient and staff dose during hysterosalpinography

International Nuclear Information System (INIS)

Buls, N.; Osteaux, M.

2001-01-01

Hysterosalpingography (HSG) is a useful and widely employed technique which uses X-ray fluoroscopy to investigate the female genital tract. Fluoroscopy is assessed by a gynaecologist, a physician who is not always trained to work with ionising radiation. Dose-area product measurements in a group of 34 patients allowed an estimation of the median effective dose (0,83 mSv) and the median dose to the ovaries (1,63 mGy) of the patient per procedure. The dose to the staff was estimated using thermoluminescent dosimetry. The following median entrance surface doses were estimated per procedure: 0,22 mGy to the lens of the eye, 0,15 mGy to the neck at thyroid level and 0,19 mGy to the back of the hand. The annual eye dose limit could be exceeded if the gynaecologist is a member of the public. (author)

Investigation of the Entrance Surface Dose and Dose to Different Organs in Lumbar Spine Imaging

Science.gov (United States)

Sina, S; Zeinali, B; Karimipoorfard, M; Lotfalizadeh, F; Sadeghi, M; Zamani, E; Faghihi, R

2014-01-01

Background: Dose assessment using proper dosimeters is especially important in radiation protection optimization and imaging justification in diagnostic radiology. Objective: The aim of this study is to obtain the Entrance Skin Dose (ESD) of patients undergoing lumbar spine imaging using two thermoluminescence dosimeters TLD-100 (LiF: Mg, Ti) and GR-200 (LiF: Mg, Cu, P) and also to obtain the absorbed dose to different organs in lumbar spine imaging with several views. Methods: To measure the ESD values of the patients undergoing lumbar spine imaging, the two TLD types were put on their skin surface. The ESD values for different views of lumbar spine imaging were also measured by putting the TLDs at the surface of the Rando phantom. Several TLD chips were inserted inside different organs of Rando phantom to measure the absorbed dose to different organs in lumbar spine imaging. Results: The results indicate that there is a close agreement between the results of the two dosimeters. Based on the results of this experiment, the ESD dose of the 16 patients included in this study varied between 2.71 mGy and 26.29 mGy with the average of 11.89 mGy for TLD-100, and between 2.55 mGy and 27.41 mGy with the average of 12.32 mGy for GR-200 measurements. The ESDs obtained by putting the two types of TLDs at the surface of Rando phantom are in close agreement. Conclusion: According to the results, the GR200 has greater sensitivity than the TLD-100. PMID:25599058

Investigation of the Entrance Surface Dose and Dose to Different Organs in Lumbar Spine Imaging

Directory of Open Access Journals (Sweden)

Sina S

2014-12-01

Full Text Available Background: Dose assessment using proper dosimeters is especially important in radiation protection optimization and imaging justification in diagnostic radiology. Objective: The aim of this study is to obtain the Entrance Skin Dose (ESD of patients undergoing lumbar spine imaging using two thermoluminescence dosimeters TLD-100 (LiF: Mg, Ti and GR-200 (LiF: Mg, Cu, P and also to obtain the absorbed dose to different organs in lumbar spine imaging with several views. Methods: To measure the ESD values of the patients undergoing lumbar spine imaging, the two TLD types were put on their skin surface. The ESD values for different views of lumbar spine imaging were also measured by putting the TLDs at the surface of the Rando phantom. Several TLD chips were inserted inside different organs of Rando phantom to measure the absorbed dose to different organs in lumbar spine imaging. Results: The results indicate that there is a close agreement between the results of the two dosimeters. Based on the results of this experiment, the ESD dose of the 16 patients included in this study varied between 2.71 mGy and 26.29 mGy with the average of 11.89 mGy for TLD-100, and between 2.55 mGy and 27.41 mGy with the average of 12.32 mGy for GR-200 measurements. The ESDs obtained by putting the two types of TLDs at the surface of Rando phantom are in close agreement. Conclusion: According to the results, the GR200 has greater sensitivity than the TLD-100.

Performance degradation of ferrofluidic feedthroughs in a mixed irradiation field

Science.gov (United States)

Simos, Nikolaos; Fernandes, S.; Mittig, Wolfgang; Pellemoine, Frederique; Avilov, M.; Kostin, M.; Mausner, L.; Ronningen, R.; Schein, M.; Bollen, G.

2017-01-01

Ferrofluidic feedthrough (FF) rotary seals containing either NdFeB or SmCo-type permanent magnets have been considered for use in the target and beam dump systems of the Facility for Rare Isotope Beams (FRIB). To evaluate their performance under irradiation three FF seals were irradiated in a mixed field consisting of fast neutrons, protons and γ-rays to an average absorbed dose of 0.2, 2.0, and 20.0 MGy at the Brookhaven Linac Isotope Producer facility (BLIP). The radiation types and energy profiles mimic those expected at the FRIB facility. Degradation of the operational performance of these devices due to irradiation is expected to be the result of the de-magnetization of the permanent magnets contained within the seal and the changes in the ferrofluid properties. Post-irradiation performance was evaluated by determining the ferrofluidic seal vacuum tightness and torque under static and dynamic conditions. The study revealed that the ferrofluidic feedthrough seal irradiated to a dose of 0.2 MGy maintained its vacuum tightness under both static and rotational condition while the one irradiated to a dose of 2.0 MGy exhibited signs of ferrofluid damage but no overall performance loss. At 20 MGy dose the effects of irradiation on the ferrofluid properties (viscosity and particle agglomeration) were shown to be severe. Furthermore, limited de-magnetization of the annular shaped Nd2Fe14B and Sm2Co17 magnets located within the irradiated FFs was observed for doses of 0.2 MGy and 20 MGy respectively.

The biological effects of exposure to ionising radiation

International Nuclear Information System (INIS)

Higson, D.J.

2016-01-01

Scenarios for exposure to ionising radiation range from natural background radiation (chronic) to the explosions of atomic bombs (acute), with some medical, industrial and research exposures lying between these extremes. Biological responses to radiation that predominate at high doses incurred at high dose rates are different from those that predominate at low doses and low dose rates. Single doses from bomb explosions ranged up to many thousand mGy. Acute doses greater than about 1000 mGy cause acute radiation syndrome (ARS). Below this threshold, radiation has a variety of potential latent health effects: Change to the incidence of cancer is the most usual subject of attention but change to longevity may be the best overall measure because decreased incidences of non-cancer mortality have been observed to coincide with increased incidence of cancer mortality. Acute doses greater than 500 mGy cause increased risks of cancer and decreased life expectancy. For doses less than 100 mGy, beneficial overall health effects ('radiation hormesis') have been observed. At the other end of the spectrum, chronic exposure to natural radiation has occurred throughout evolution and is necessary for the normal life and health of current species. Dose rates greater than the present global average of about 2 mGy per year have either no discernible health effect or beneficial health effects up to several hundred mGy per year. It is clearly not credible that a single health effects model -- such as the linear no-threshold (LNT) model of risk estimation -- could fit all latent health effects. A more realistic model is suggested.

Assessment of Regional Pediatric Computed Tomography Dose Indices in Tamil Nadu.

Science.gov (United States)

Saravanakumar, A; Vaideki, K; Govindarajan, K N; Jayakumar, S; Devanand, B

2017-01-01

The aim of this article is to assess Tamil Nadu pediatric computed tomography (CT) diagnostic reference levels (DRLs) by collecting radiation dose data for the most commonly performed CT examinations. This work was performed for thirty CT scanners installed in various parts of the Tamil Nadu region. The patient cohort was divided into two age groups: <1 year, and 1-5 years. CT dose indices were measured using a 10 cm 3 pencil ion chamber with pediatric head and body polymethyl methacrylate phantoms. Dose data such as volumetric CT dose index (CTDI v ) and dose length product (DLP) on a minimum of twenty average-sized pediatric patients in each category were recorded to calculate a mean site CTDI v and DLP value. The rounded 75 th percentile was used to calculate a pediatric DRL for each hospital, and then region by compiling all results. Data were collected for 3600 pediatric patients. Pediatric CT DRL for two age groups: <1 year (CTDI v and DLP of head [20 mGy, 352 mGy.cm], chest [7 mGy, 120 mGy.cm] and abdomen [12 mGy, 252 mGy.cm]), and 1-5 years (CTDI v and DLP of head [38 mGy, 505 mGy.cm], chest [8 mGy, 132 mGy.cm] and abdomen [14 mGy, 270 mGy.cm]) for select procedures have been calculated. Proposed pediatric DRLs of CTDI v and DLP for head procedure were lower, and for chest and abdomen procedures were higher than European pediatric DRLs for both age groups.

Primary beam ionizing radiation for patients during coronary cineangiography

International Nuclear Information System (INIS)

Ramirez, Alfredo; Leyton, Fernando; Gamarra, Jorge; Oyarzun C, Carlos; Silva, Ana Maria; Ugalde, Hector; Dussaillant, Gaston

2001-01-01

Current cardiology practice incorporates hemodynamic and angiographic studies as normal procedures. Clinical actions have to be taken in interventionist cardiology that demand prolonged exposure times to radiation, which implies submitting patients to quantitatively significant doses. This work is a preliminary phase for clinical studies involving long procedures in hemodynamic and electrophysiological interventionist cardiology to show the magnitude of the radiation doses received by the patients after a proper diagnosis. The aim is to improve the patient's radiological protection as well as that of the staff involved. The study group consisted of 18 patients who underwent coronary angiography procedures with Siemens Angioskop D equipment and a Siemens Polidoros 80 generator. Four TLD Crystal detectors were used for the patient's dosimetry, which were located in the dorsal region along the left para scapular line, on the mid line of the thyroid region and a detector on the mid point between the umbilical zone and the pubis symphysis. For procedure times of 14±4.3 min., with fluoroscope times of 3.6±2.5 min., connection techniques of 87±15 kV. and 126±24 mA, the radiations recorded in the left inter scapular and right inter scapular regions were 215±199 mGy (1-710 mGy range) and 255±212 mGy ( 22 - 791mGy range ). The radiations in the pubic and thyroid regions were 0.23±0.07 mGy and 3.62±2.44 mGy, respectively (CO)

SU-E-J-11: Measurement of Eye Lens Dose for Varian On-Board Imaging with Different CBCT Acquisition Techniques

International Nuclear Information System (INIS)

Deshpande, S; Dhote, D; Kumar, R; Thakur, K

2015-01-01

Purpose: To measure actual patient eye lens dose for different cone beam computed tomography (CBCT) acquisition protocol of Varian’s On Board Imagining (OBI) system using Optically Stimulated Luminescence (OSL) dosimeter and study the eye lens dose with patient geometry and distance of isocenter to the eye lens Methods: OSL dosimeter was used to measure eye lens dose of patient. OSL dosimeter was placed on patient forehead center during CBCT image acquisition to measure eye lens dose. For three different cone beam acquisition protocol (standard dose head, low dose head and high quality head) of Varian On-Board Imaging, eye lens doses were measured. Measured doses were correlated with patient geometry and distance between isocenter to eye lens. Results: Measured eye lens dose for standard dose head was in the range of 1.8 mGy to 3.2 mGy, for high quality head protocol dose was in range of 4.5mGy to 9.9 mGy whereas for low dose head was in the range of 0.3mGy to 0.7mGy. Dose to eye lens is depends upon position of isocenter. For posterioraly located tumor eye lens dose is less. Conclusion: From measured doses it can be concluded that by proper selection of imagining protocol and frequency of imaging, it is possible to restrict the eye lens dose below the new limit set by ICRP. However, undoubted advantages of imaging system should be counter balanced by careful consideration of imaging protocol especially for very intense imaging sequences for Adoptive Radiotherapy or IMRT

Intracellular magnesium concentrations in dogs with gastric dilatation-volvulus.

Science.gov (United States)

Bebchuk, T N; Hauptman, J G; Braselton, W E; Walshaw, R

2000-11-01

To quantify and compare intracellular magnesium concentrations (Mgi) in clinically normal dogs (control dogs) and dogs that have gastric dilatation-volvulus (GDV dogs) and to determine whether there is a difference in Mgi and serum magnesium concentrations (Mgs) between GDV dogs with and without cardiac arrhythmias. 41 control dogs and 21 GDV dogs. Rectus abdominis muscle specimens were obtained from control and GDV dogs for determination of Mgi. Blood samples were obtained from GDV dogs for determination of Mgs, and dogs were monitored for 48 hours for cardiac arrhythmias. Muscle specimens were frozen at -40 C, oven dried at 95 C, and digested with concentrated nitric acid. Multielemental analyses were performed by simultaneous/sequential inductively coupled plasma-atomic emission spectroscopy with fixed-cross flow nebulization. The Mg, was standardized to sulfur content to correct for the amount of fat and fascia in the muscle specimen. Mean (+/- SEM) values were recorded in parts per million (ppm). Results-There were no significant differences in Mgi between control (627 +/- 11.1 ppm) and GDV (597 +/- 20.5 ppm) dogs, in Mgi between GDV dogs with (590 +/- 34 ppm) and without (584 +/- 29 ppm) cardiac arrhythmias, and in Mgs between GDV dogs with (1.77 +/- 0.26 ppm) and without (1.51 +/- 0.09 ppm) cardiac arrhythmias. There was no correlation between Mgs and Mgi (R2 = 0.0001). Results indicate that Mg depletion is not pathophysiologically important in dogs with GDV and does not play a role in the cardiac arrhythmias detected in these patients.

Positron annihilation and thermally stimulated current of electron beam irradiated polyetheretherketone

Energy Technology Data Exchange (ETDEWEB)

Fujita, Shigetaka; Shinyama, Katsuyoshi; Baba, Makoto [Hachinohe Inst. of Tech., Hachinohe, Aomori (Japan); Suzuki, Takenori

1997-03-01

Positron lifetime measurements were applied to electron beam irradiated poly(ether-ether-ketone). The lifetime, {tau}{sub 3}, of the ortho-positronium of unirradiated and 5 MGy irradiated specimen became rapidly longer above about 150degC. {tau}{sub 3} of 50 MGy and 100 MGy irradiated specimen was shorter than that of unirradiated one. Thermally stimulated current (TSC) decreased with increasing the dose before voltage application. In the case of voltage application, a TSC peak appeared and the peak value decreased with increased the dose. The correlation between the results of positron annihilation and TSC was investigated. (author)

Clinical indications and radiation doses to the conceptus associated with CT imaging in pregnancy: a retrospective study

Energy Technology Data Exchange (ETDEWEB)

Woussen, S.; Vanbeckevoort, D.; Bosmans, H.; Oyen, R. [University Hospitals Leuven, Department of Radiology, Leuven (Belgium); Lopez-Rendon, X.; Zanca, F. [University Hospitals Leuven, Department of Imaging and Pathology, Leuven (Belgium)

2016-04-15

To perform an internal audit at a university hospital with the aim of evaluating the number, clinical indication and operating procedure of computed tomography (CT) performed on pregnant patients and of estimating the radiation doses to the conceptus. A retrospective review was conducted of all CT examinations performed in a single centre on pregnant patients between January 2008 and July 2013. The radiation doses to the conceptus were estimated. The results were compared with published data. The number of CT examinations during pregnancy increased from 3-4 per year in 2008-2011 to 11 per year in 2012. The mean estimated conceptus radiation dose was considered negligible for CT of the head and cervical spine, being less than 0.01 mGy, and for CT of the chest, less than 0.1 mGy. The estimated conceptus radiation dose from abdominopelvic CT was on average 28.7 mGy (range 6.7-60.5 mGy). The number of CT scans of pregnant patients increased threefold during the last few years. Most clinical indications and doses were in line with good clinical practice and literature; only in two cases the dose to the conceptus was higher than 50 mGy. (orig.)

Environmental effects of radionuclides - observations on natural ecosystems

International Nuclear Information System (INIS)

Copplestone, D.; Toal, M.E.; Johnson, M.S.; Jackson, D.; Jones, S.R.

2000-01-01

To better quantify risk to non-human species from exposure to environmental radioactivity, understanding of the behaviour of radionuclides in the biosphere needs to be increased. This study outlines current thinking on ecological risk assessment (ERA) methodology and applies the indicator species or critical groups approach to biota inhabiting a semi-natural coniferous woodland contaminated with the radionuclides 137 Cs, 238 Pu, 239+240 Pu and 241 Am. The majority of these radionuclides originate from routine aerial emissions from the nuclear fuel reprocessing plant at BNFL, Sellafield, Cumbria, UK. Radionuclide activity concentrations have been determined in biota from the woodland and estimates of absorbed dose rates (mGy d -1 ) have been calculated using the dosimetric models outlined. Dose rates to the key indicator species, Oniscus asellus, Carabus violaceous and Apodemus sylvaticus (detritivorous invertebrate, predatory invertebrate and the granivorous wood mouse) have been determined at 3.0x10 -3 mGy d -1 , 2.2x10 -3 mGy d -1 and 1.0x10 -3 mGy d -1 respectively. The values are at least three orders of magnitude lower than the 1 mGy d -1 level below which no observable effects on populations in a terrestrial ecosystem are thought to occur. Limitations of this approach are discussed. (author)

Increased apoptosis and DNA double-strand breaks in the embryonic mouse brain in response to very low-dose X-rays but not 50 Hz magnetic fields.

Science.gov (United States)

Saha, Shreya; Woodbine, Lisa; Haines, Jackie; Coster, Margaret; Ricket, Nicole; Barazzuol, Lara; Ainsbury, Elizabeth; Sienkiewicz, Zenon; Jeggo, Penny

2014-11-06

The use of X-rays for medical diagnosis is enhancing exposure to low radiation doses. Exposure to extremely low-frequency electromagnetic or magnetic fields is also increasing. Epidemiological studies show consistent associations of childhood leukaemia with exposure to magnetic fields but any causal relationship is unclear. A limitation in assessing the consequence of such exposure is the availability of sensitive assays. The embryonic neuronal stem and progenitor cell compartments are radiosensitive tissues. Using sensitive assays, we report a statistically significant increase in DNA double-strand break (DSB) formation and apoptosis in the embryonic neuronal stem cell compartment following in utero exposure to 10-200 mGy X-rays. Both endpoints show a linear response. We also show that DSB repair is delayed following exposure to doses below 50 mGy compared with 100 mGy. Thus, we demonstrate in vivo consequences of low-dose radiation. In contrast to these impacts, we did not observe any significant induction of DSBs or apoptosis following exposure to 50 Hz magnetic fields (100 or 300 µT). We conclude that any DSB induction by treatment with magnetic fields is lower than following exposure to 10 mGy X-rays. For comparison, certain procedures involving computed tomography scanning are equivalent to 1-5 mGy X-rays.

Environmental effects of radionuclides--observations on natural ecosystems.

Science.gov (United States)

Copplestone, D; Toal, M E; Johnson, M S; Jackson, D; Jones, S R

2000-03-01

To better quantify risk to non-human species from exposure to environmental radioactivity, understanding of the behaviour of radionuclides in the biosphere needs to be increased. This study outlines current thinking on ecological risk assessment (ERA) methodology and applies the indicator species or critical groups approach to biota inhabiting a semi-natural coniferous woodland contaminated with the radionuclides 137Cs, 238Pu, 239+240Pu and 241Am. The majority of these radionuclides originate from routine aerial emissions from the nuclear fuel reprocessing plant at BNFL, Sellafield, Cumbria, UK. Radionuclide activity concentrations have been determined in biota from the woodland and estimates of absorbed dose rates (mGy d(-1)) have been calculated using the dosimetric models outlined. Dose rates to the key indicator species, Oniscus asellus, Carabus violaceous and Apodemus sylvaticus (detritivorous invertebrate, predatory invertebrate and the granivorous wood mouse) have been determined at 3.0 x 10(-3) mGy d(-1), 2.2 x 10(-3) mGy d(-1) and 1.0 x 10(-3) mGy d(-1) respectively. The values are at least three orders of magnitude lower than the 1 mGy d(-1) level below which no observable effects on populations in a terrestrial ecosystem are thought to occur. Limitations of this approach are discussed.

Effects of Low Versus Moderate Glycemic Index Diets on Aerobic Capacity in Endurance Runners: Three-Week Randomized Controlled Crossover Trial

Directory of Open Access Journals (Sweden)

Krzysztof Durkalec-Michalski

2018-03-01

Full Text Available The glycemic index (GI of ingested carbohydrates may influence substrate oxidation during exercise and athletic performance. Therefore, the aim of this study was to assess the effect of low- and moderate-GI three-week diets on aerobic capacity and endurance performance in runners. We conducted a randomized crossover feeding study of matched diets differing only in GI (low vs. moderate in 21 endurance-trained runners. Each participant consumed both, low- (LGI and moderate-GI (MGI high-carbohydrate (~60% and nutrient-balanced diets for three weeks each. At the beginning and end of each diet, participants had their aerobic capacity and body composition measured and performed a 12-min running test. After LGI, time to exhaustion during incremental cycling test (ICT and distance covered in the 12-min run were significantly increased. The MGI diet led to an increase in maximal oxygen uptake ( V ˙ O2max, but no performance benefits were found after the MGI diet. The LGI and MGI diets improved time and workload at gas exchange threshold (GET during ICT. The results indicate that a three-week high-carbohydrate LGI diet resulted in a small but significant improvement in athletic performance in endurance runners. Observed increase in V ˙ O2max on MGI diet did not affect performance.

Photon hormesis deactivates alpha-particle induced bystander effects between zebrafish embryos

International Nuclear Information System (INIS)

Ng, C.Y.P.; Cheng, S.H.; Yu, K.N.

2017-01-01

In the present work, we studied the effects of low-dose X-ray photons on the alpha-particle induced bystander effects between embryos of the zebrafish, Danio rerio. The effects on the naive whole embryos were studied through quantification of apoptotic signals (amounts of cells undergoing apoptosis) at 24 h post fertilization (hpf) using vital dye acridine orange staining, followed by counting the stained cells under a fluorescent microscope. We report data showing that embryos at 5 hpf subjected to a 4.4 mGy alpha-particle irradiation could release a stress signal into the medium, which could induce bystander effect in partnered naive embryos sharing the same medium. We also report that the bystander effect was deactivated when the irradiated embryos were subjected to a concomitant irradiation of 10 or 14 mGy of X-rays, but no such deactivation was achieved if the concomitant X-ray dose dropped to 2.5 or 5 mGy. In the present study, the significant drop in the amount of apoptotic signals on the embryos having received 4.4 mGy alpha particles together X-rays irradiation from 2.5 or 5 mGy to 10 or 14 mGy, together with the deactivation of RIBE with concomitant irradiation of 10 or 14 mGy of X-rays supported the participation of photon hormesis with an onset dose between 5 and 10 mGy, which might lead to removal of aberrant cells through early apoptosis or induction of high-fidelity DNA repair. As we found that photons and alpha particles could have opposite biological effects when these were simultaneously irradiated onto living organisms, these ionizing radiations could be viewed as two different environmental stressors, and the resultant effects could be regarded as multiple stressor effects. The present work presented the first study on a multiple stressor effect which occurred on bystander organisms. In other words, this was a non-targeted multiple stressor effect. The photon hormesis could also explain some failed attempts to observe neutron-induced bystander

Radiation dose estimation by tooth enamel EPR dosimetry for residents of Dolon and Bodene

International Nuclear Information System (INIS)

Zhumadilov, Kassym; Ivannikov, Alexander; Apsalikov, Kazbek N.

2006-01-01

The method of electron paramagnetic resonance (EPR) dosimetry was applied to the enamel of the teeth extracted from the residents of the Dolon and Bodene settlements of the Beskaragay district, which is the area adjacent to the radioactive fallout of the most contaminating nuclear test of 1949. The individual accidental radiation doses due to the fallout were obtained from the amplitude of the radiation induced EPR signal from the CO 2- radical using the calibration method, after determining the parameters of EPR measurements to obtain the best reproducibility of the signal intensities. It was shown that after subtracting the natural background dose from the total absorbed dose obtained by EPR the residents of Dolon and Bodene received accidental radiation doses up to 356 mGy with an average value of 74.1 ± 45.5 mGy before 1949 while the younger population received up to about 100 mGy with an average value of 11.5 ± 37.7 mGy. (author)

Level of patient and operator dose in the largest cardiac centre in Greece

International Nuclear Information System (INIS)

Tsapaki, V.; Patsilinakos, S.; Voudris, V.; Magginas, A.; Pavlidis, S.; Maounis, T.; Theodorakis, G.; Koutelou, M.; Vrantza, T.; Nearchou, M.; Nikolaki, N.; Kollaros, N.; Kyrozi, E.; Kottou, S.; Karaiskos, P.; Neofotistou, E.; Cokkinos, D.

2008-01-01

The objective of this study was to investigate the patient and staff doses in the most frequent interventional cardiology (IC) procedures performed in Onassio, the largest Cardiac Centre in Greece. Data were collected from three digital X-ray systems for 212 coronary angiographies, 203 percutaneous transluminal coronary angio-plasties (PTCA) and 134 various electrophysiological studies. Patient skin dose was measured using suitably calibrated slow radiotherapy films and cardiologist dose using suitably calibrated thermoluminescent dosemeters placed on left arm, hand and foot. Patient median dose area product (DAP) (all examinations) ranged between 6.7 and 83.5 Gy cm 2 . Patient median skin dose in PTCA was 799 mGy (320-1660 mGy) and in RF ablation 160 mGy (35-1920 mGy). Median arm, hand and foot dose to the cardiologist were 12.6, 27 and 13 μSv, respectively, per procedure. The great range of radiation doses received by both patients and operators confirms the need for continuous monitoring of all IC techniques. (authors)

Level and distribution of the radiation dose to the population from a mammography screening programme in New Zealand

Energy Technology Data Exchange (ETDEWEB)

Bulling, S.M.; Nicoll, J.J. [Otago Univ., Dunedin (New Zealand). Dept. of Physics

1995-12-31

The Otago Southland Breast Screening Programme offers biennial mammography to 19,000 eligible women on the South Island of New Zealand. A Quality Assurance programme ensures that international performance standards are met, in particular the radiation dose for a mammogram of 5 cm CIRS-X phantom is 1.7 mGy and careful retake analysis undertaken. This however does not reveal the absorbed dose received by individuals, nor how this varies between individuals. Machine parameters and compressed breast thickness for each film were recorded for 310 women who attended one centre during the three months ending February 1993 and absorbed doses calculated using Monte Carlo data. The mean compressed breast thickness for the 310 women was 4.9 cm, doses received for individual films ranged from 0.7 to 8.5 mGy while patient total doses were in the range 4 to 29 mGy with 75% of women receiving a dose of 7.1 mGy or less. (Author).

Dosimetry using Gafchromic XR-RV2 radiochromic films in interventional radiology

International Nuclear Information System (INIS)

Neocleous, A.; Yakoumakis, E.; Gialousis, G.; Dimitriadis, A.; Yakoumakis, N.; Georgiou, E.

2011-01-01

Patient dose measurements of local entrance dose to the skin have been carried out using radiochromic film (Gafchromic XR-RV2) in a sample of interventional procedures. The major aim of the work was to measure patient entrance dose from such examinations using Gafchromic XR-RV2. Forty-five various interventional procedures (including nephrostomies and urinary stenting, biliary stenting and percutaneous transhepatic biliary drainage (PTBD) and aorta stent grafting) were evaluated. Maximum entrance doses were 537±119 mGy in nephrostomies, 943±631 mGy in biliary stenting and PTBD and 2425±569 mGy in aorta stent grafting. Results indicate that all patients undergoing aorta stent grafting received skin dose above 1500 mGy, which means that there is an increasing potential to suffer radiation-induced skin injuries. The film provides dose mapping, the position of the skin area with highest dose and can be used for immediate qualitative and as well as for quantitative assessment of patient skin dose. (authors)

The long-term effects of acute exposure to ionising radiation on survival and fertility in Daphnia magna

International Nuclear Information System (INIS)

Sarapultseva, Elena I.; Dubrova, Yuri E.

2016-01-01

The results of recent studies have provided strong evidence for the transgenerational effects of parental exposure to ionising radiation and chemical mutagens. However, the transgenerational effects of parental exposure on survival and fertility remain poorly understood. To establish whether parental irradiation can affect the survival and fertility of directly exposed organisms and their offspring, crustacean Daphnia magna were given 10, 100, 1000 and 10,000 mGy of acute γ-rays. Exposure to 1000 and 10,000 mGy significantly compromised the viability of irradiated Daphnia and their first-generation progeny, but did not affect the second-generation progeny. The fertility of F 0 and F 1 Daphnia gradually declined with the dose of parental exposure and significantly decreased at dose of 100 mGy and at higher doses. The effects of parental irradiation on the number of broods were only observed among the F 0 Daphnia exposed to 1000 and 10,000 mGy, whereas the brood size was equally affected in the two consecutive generations. In contrast, the F 2 total fertility was compromised only among progeny of parents that received the highest dose of 10,000 mGy. We propose that the decreased fertility observed among the F 2 progeny of parents exposed to 10,000 mGy is attributed to transgenerational effects of parental irradiation. Our results also indicate a substantial recovery of the F 2 progeny of irradiated F 0 Daphnia exposed to the lower doses of acute γ-rays. - Highlights: • Viability of irradiated daphnids and their F 1 progeny is compromised. • Viability of the F 2 progeny of irradiated parents is not affected. • Total fertility of irradiated daphnids and their F 1 progeny declines with the dose. • Total fertility of the F 2 progeny of parents exposed to 10,000 mGy is compromised. • The decreased fertility among the F 2 progeny is transgenerational phenomenon.

The long-term effects of acute exposure to ionising radiation on survival and fertility in Daphnia magna

Energy Technology Data Exchange (ETDEWEB)

Sarapultseva, Elena I. [Department of Biology, Institute of Nuclear Power Engineering NRNU MEPhI, Studgorodok,1, Obninsk, Kaluga Region 249040 (Russian Federation); National Research Nuclear University “MEPhI”, Kashirskoe Highway, 31, Moscow 115409 (Russian Federation); Dubrova, Yuri E., E-mail: yed2@le.ac.uk [Department of Genetics, University of Leicester, University Road, Leicester LE1 7RH (United Kingdom); Vavilov Institute of General Genetics, Russian Academy of Sciences, Gubkina Str. 3, 11933 Moscow (Russian Federation)

2016-10-15

The results of recent studies have provided strong evidence for the transgenerational effects of parental exposure to ionising radiation and chemical mutagens. However, the transgenerational effects of parental exposure on survival and fertility remain poorly understood. To establish whether parental irradiation can affect the survival and fertility of directly exposed organisms and their offspring, crustacean Daphnia magna were given 10, 100, 1000 and 10,000 mGy of acute γ-rays. Exposure to 1000 and 10,000 mGy significantly compromised the viability of irradiated Daphnia and their first-generation progeny, but did not affect the second-generation progeny. The fertility of F{sub 0} and F{sub 1}Daphnia gradually declined with the dose of parental exposure and significantly decreased at dose of 100 mGy and at higher doses. The effects of parental irradiation on the number of broods were only observed among the F{sub 0}Daphnia exposed to 1000 and 10,000 mGy, whereas the brood size was equally affected in the two consecutive generations. In contrast, the F{sub 2} total fertility was compromised only among progeny of parents that received the highest dose of 10,000 mGy. We propose that the decreased fertility observed among the F{sub 2} progeny of parents exposed to 10,000 mGy is attributed to transgenerational effects of parental irradiation. Our results also indicate a substantial recovery of the F{sub 2} progeny of irradiated F{sub 0}Daphnia exposed to the lower doses of acute γ-rays. - Highlights: • Viability of irradiated daphnids and their F{sub 1} progeny is compromised. • Viability of the F{sub 2} progeny of irradiated parents is not affected. • Total fertility of irradiated daphnids and their F{sub 1} progeny declines with the dose. • Total fertility of the F{sub 2} progeny of parents exposed to 10,000 mGy is compromised. • The decreased fertility among the F{sub 2} progeny is transgenerational phenomenon.

Kujundusideid

Index Scriptorium Estoniae

2005-01-01

Aet Pieli projekteeritud minimalistlik ja eestiaegses majas asuv köök. Vana muljega köök, mille mööbel on valmistatud firmas Moons. Kadri Pärtelpoja projekteeritud ehitusfirma NCC kinnisvaraosakonna paekiviseintega näidisköök. Köök Ivi-Els Schneideri kujundatud elamus. Hansperdis disainitud ja valmistatud noore perekonna erksates toonides köögimööbel. Arensis disainitud ja valmistatud seriaali "Kodu keset linna" köök. 22 värv. ill

Maaülikooli uksed uutele tulijatele valla / Sirje Pärismaa

Index Scriptorium Estoniae

Pärismaa, Sirje, 1958-

2008-01-01

Oma õpingutest räägivad maaülikooli tudengid: Kadi Avi (majandusarvestus ja finantsjuhtimine III), Kaiti Pilk (maastikuarhitekt III), Mart Kelk (metsatööstuse magistrantuur I), Karin Ojamäe (rakendushüdrobioloogia III), Heidi Heitur (ökonoomika ja ettevõtlus I); Margus Paesalu (metsatööstus III), Kadri Kalle ( maastikukaitse ja -hoolduse magistrantuur I), Liisi Õunapuu (loodusvarade kasutamine ja kaitse III), Laura Niemelä (veterinaarmeditsiin IV) ja Peep Teppo (metsamajanduse magistrantuur II) ning õppeprorektor Jüri Lehtsaar

Kindlusta kilosid ja hinda / Kadri Paas

Index Scriptorium Estoniae

Paas, Kadri, 1982-

2008-01-01

Ilmunud ka:: Delovõje Vedomosti 16. juuli lk. 16. Kaubavedude puhul on vedajal kilogrammipõhine vastutuse limiit, kauba omanik sõlmib aga veosekindlustuse, mis hüvitab võimaliku kahju toodete tegeliku väärtuse. Küsimusele vastab Kalmer Jegonjan. Lisad: Vedaja vastutuskindlustus; Millega peab kauba omanik arvestama?; Lennutranspordis küündib vedaja kindlustuslimiit kõige kõrgemale. Vt. samas: Aivar Same. Kas tead, kus autojuht kohvipausi peab?

Merelt võetud terminal / Kadri Paas

Index Scriptorium Estoniae

Paas, Kadri, 1982-

2008-01-01

Ilmunud ka: Delovõje Vedomosti 18. juuni lk. 16. Perekond Vähi plaanib merelt võetud maale ehitada terminali, mis võimaldaks käsitleda 800 000 konteinerit aastas. Vt. samas: Vähide pereäri. Küsimusele vastavad Juhan Kolk ja majandusminister Juhan Parts

Jackson, sportauto ja kinbaku / Kadri Karro

Index Scriptorium Estoniae

Karro, Kadri

2011-01-01

Mari-Liis Laanemaa video- ja fotonäitus "Meel ja Michael Jackson" Tallinna Linnagaleriis 26. juunini. Fotograaf Herkki-Erich Merila näitus "Kinbaku" Haus galeriis 15. juulini. Austria kunstniku Klaus Waggeri rallimaalide ja Urmas Teearu kogusse kuuluvate mootorrataste näitus "Unforgettable Moments" Tam galeriis juuni lõpuni 2011

Kadrioru lossipidude uurimine salastatud / Kadri Paas

Index Scriptorium Estoniae

Paas, Kadri, 1982-

2006-01-01

Kadrioru peetud noortepidusid uuriv Põhja Politseiprefektuur ei soovi juhtunu selgitamise huvides avalikustada menetletava väärteoasja paragrahvi. Vt. samas: Kirsti Vainküla. President ei maksa tütre elamiskulude eest; Katrin Pauts. Mihkel Kärmas: mingit vandenõu pole olnud; Siim Randla. Lepikult hakkab politseitööd analüüsima; Peol käis ka Meri lapselaps; Lossi ümber ehitatakse tara? Minister vastutust ei tunne

Hankelepingu ülevõtmine / Kadri Suurkivi

Index Scriptorium Estoniae

Suurkivi, Kadri, 1988-

2013-01-01

Hankelepingu ülevõtmise õiguslikest alustest ja lubatavusest ettevõtte ülemineku, äriühingu jagunemise, ühinemise või tütarettevõtte asutamise korral. Uute riigihankedirektiivide eelnõudega (KOM (2011) 895-897) kavandatud reeglistikust, mis puudutab hankelepingu poole muutumist juriidilise isiku restruktureerimise või maksejõuetuse korral

Empaatiaga äärmustest / Kadri Kõusaar

Index Scriptorium Estoniae

Kõusaar, Kadri

2007-01-01

Tartu vabaõhu filmifestivaliga "Tartuff - armastuse mitu nägu" paralleelselt toimub rahvusvaheline konverents "Religioonitolerants - võimalus, kohustus, vastutus", millega kaasneb dokfilmide programm Athena keskuses. Artiklis arvustatakse dokumentaalfilmi "Jeesuse laager" ("Jesus Camp") : režissöörid Heidi Ewing, Rachel Grady : Ameerika ühendriigid

Arengufoorumi korraldavad linnapea parteikaaslased / Kadri Jakobson

Index Scriptorium Estoniae

Jakobson, Kadri, 1970-

2005-01-01

Linnaplaneerimise ameti poolt välja kuulutatud riigihanke 2005. aasta septembris toimuva Tallinna linna arengufoorumi korraldamiseks võitis OÜ Hillside Events, mille omanik on Res Publica asutaja Tõnis-Martin Kons. Lisa: Aasta tagasi kritiseeris Palts Savisaart samasuguse käitumise eest

Installation complete / Aet Ader, Kadri Klementi

Index Scriptorium Estoniae

Ader, Aet

2015-01-01

Linnainstallatsioonidest avalikus ruumis. "Gas Pipe" Venezia Arhitektuuribiennaalil (Maarja Kask, Ralf Lõoke, Neeme Külm, Ingrid Ruudi, 2008). "Artificial Queue" (Andra Aaloe, Aet Ader, Flo Kasearu, Grete Soosalu, 2010). "To the Sea" (autorid Tomomi Hayashi, Mihkel Sagar, 2011). "Chimney" (tundmatu autor, 2011). "Straw Theatre" (Salto Arhitektid, 2011). "A Path in the Forest" (Tetsuo Kondo, Mitsuru Maekita, Mutsuro Sasaki, Yoshiyuki Hiraiwa, 2011). "O" (Aet Ader, Andra Aaloe, Kaarel Künnap, Grete Soosalu, Flo Kasearu, 2011)

WHO: haigekassa vajab lisaraha / Kadri Ibrus

Index Scriptorium Estoniae

Ibrus, Kadri

2010-01-01

Haigekassa, sotsiaalministeeriumi ja WHO koostöös valminud aruande "Võimalused Eesti tervisesüsteemi rahastamise jätkusuutlikkuse tagamiseks" kohaselt ei ole Eesti tervishoiu rahastamise süsteem kaugemas perspektiivis elujõuline. WHO soovitustest Eestile. Sotsiaalminister Hanno Pevkuri seisukoht

Pentagon otsib Eestist kaupa / Kadri Paas

Index Scriptorium Estoniae

Paas, Kadri, 1982-

2010-01-01

Pentagoni logistikatugi Defence Logistic Agency (DLA) pöördus Kaitsetööstuse Liidu poole selgitamaks välja, kas Eesti ettevõtetelt oleks võimalik osta Afganistanis sõdivatele vägedele köögivilja, joogivett ja ehitusmaterjale

Pablo Picasso on Kumus / Kadri Karro

Index Scriptorium Estoniae

Karro, Kadri

2010-01-01

Tallinna 15. graafikatriennaali sateliitnäitus "Mapping" Kumu Kunstimuuseumis 2.01.-17.04.2011, kuraator Lilijana Stepančič, kujundaja Liina Siib. Eksponeeritakse Ljubljana graafikabiennaali hitte (Pablo Picasso, Damien Hirsti jt.) ja Eha Komissarovi koostatud valikut biennaalil osalenud eestlaste (Malle Leis, Tõnis Vint jt.) töödest

Millist kommunikatsiooni vajavad idufirmad? / Kadri Uljas

Index Scriptorium Estoniae

Uljas, Kadri

2013-01-01

Artikli aluseks on autori poolt Balti Filmi- ja Meediakoolis kaitstud bakalaureusetöö "Key success factors in finding possible angel investment from Estonia for early-stage startups", kus uuriti Eesti investorite ning ettevõtjate arvamusi kommunikatsiooni olulisusest investeeringute kaasamisel

Harrastuslendurid satuvad tihedamini õnnetustesse / Kadri Bank

Index Scriptorium Estoniae

Bank, Kadri

2008-01-01

Kui 2006. aastal esitati lennuametile lennunduses toimunud juhtumite kohta 163 ettekannet, siis 2007. aastal oli teateid 205. Vt. samas:¡ Mullu toimus kolm lennuõnnetust. Kommenteerivad Hendrik Agur ja Teo Krüüner

Proovid kinnitavad bensiini tootmist / Kadri Ibrus

Index Scriptorium Estoniae

Ibrus, Kadri

2006-01-01

Tanker Probo Koala nn solkvesi sisaldab mürgiseid elemente, mis on tekkinud naftaprotsesside töötlemise tagajärjel. Tallinnasse jõudnud Elevandiluuranniku delegatsioon, mille juht on riigi peaprokurör, teeb koostööd Eesti prokuratuuriga. Lisa: Võrdlevad ekspertiisi tulemusi

Pediatric CT dose reduction for suspected appendicitis: a practice quality improvement project using artificial Gaussian noise--part 1, computer simulations.

Science.gov (United States)

Callahan, Michael J; Kleinman, Patricia L; Strauss, Keith J; Bandos, Andriy; Taylor, George A; Tsai, Andy; Kleinman, Paul K

2015-01-01

The purpose of this study was to develop a departmental practice quality improvement project to systematically reduce CT doses for the evaluation of suspected pediatric appendicitis by introducing computer-generated gaussian noise. Two hundred MDCT abdominopelvic examinations of patients younger than 20 years performed with girth-based scanning parameters for suspected appendicitis were reviewed. Two judges selected 45 examinations in which the diagnosis of appendicitis was excluded (14, appendix not visualized; 31, normal appendix visualized). Gaussian noise was introduced into axial image series, creating five additional series acquired at 25-76% of the original dose. Two readers reviewed 270 image series for appendix visualization (4-point Likert scale and arrow localization). Volume CT dose index (CTDIvol) and size-specific dose estimate (SSDE) were calculated by use of patient girth. Confidence ratings and localization accuracy were analyzed with mixed models and nonparametric bootstrap analysis at a 0.05 significance level. The mean baseline SSDE for the 45 patients was 16 mGy (95% CI, 12-20 mGy), and the corresponding CTDIvol was 10 mGy (95% CI, 4-16 mGy). Changes in correct appendix localization frequencies were minor. There was no substantial trend with decreasing simulated dose level (p = 0.46). Confidence ratings decreased with increasing dose reduction (p = 0.007). The average decreases were -0.27 for the 25% simulated dose (p = 0.01), -0.17 for 33% (p = 0.03), and -0.03 for 43% (p = 0.65). Pediatric abdominal MDCT can be performed with 43% of the original dose (SSDE, 7 mGy; CTDIvol, 4.3 mGy) without substantially affecting visualization of a normal appendix.

Radiation dose in vertebroplasty

International Nuclear Information System (INIS)

Mehdizade, A.; Lovblad, K.O.; Wilhelm, K.E.; Somon, T.; Wetzel, S.G.; Kelekis, A.D.; Yilmaz, H.; Abdo, G.; Martin, J.B.; Viera, J.M.; Ruefenacht, D.A.

2004-01-01

We wished to measure the absorbed radiation dose during fluoroscopically controlled vertebroplasty and to assess the possibility of deterministic radiation effects to the operator. The dose was measured in 11 consecutive procedures using thermoluminescent ring dosimeters on the hand of the operator and electronic dosimeters inside and outside of the operator's lead apron. We found doses of 0.022-3.256 mGy outside and 0.01-0.47 mGy inside the lead apron. Doses on the hand were higher, 0.5-8.5 mGy. This preliminary study indicates greater exposure to the operator's hands than expected from traditional apron measurements. (orig.)

Entrance surface dose measurements in pediatric radiological examinations

International Nuclear Information System (INIS)

Ribeiro, L.A.; Yoshimura, E.M.

2008-01-01

A survey of pediatric radiological examinations was carried out in a reference pediatric hospital of the city of Sao Paulo, in order to investigate the doses to children undergoing conventional X-ray examinations. The results showed that the majority of pediatric patients are below 4 years, and that about 80% of the examinations correspond to chest projections. Doses to typical radiological examinations were measured in vivo with thermoluminescent dosimeters (LiF: Mg, Ti and LiF: Mg, Cu, P) attached to the skin of the children to determine entrance surface dose (ESD). Also homogeneous phantoms were used to obtain ESD to younger children, because the technique uses a so small kVp that the dosimeters would produce an artifact image in the patient radiograph. Four kinds of pediatric examinations were investigated: three conventional examinations (chest, skull and abdomen) and a fluoroscopic procedure (barium swallow). Relevant information about kVp and mAs values used in the examinations was collected, and we discuss how these parameters can affect the ESD. The ESD values measured in this work are compared to reference levels published by the European Commission for pediatric patients. The results obtained (third-quartile of the ESD distribution) for chest AP examinations in three age groups were: 0.056 mGy (2-4 years old); 0.068 mGy (5-9 years old); 0.069 mGy (10-15 years old). All of them are below the European reference level (0.100 mGy). ESD values measured to the older age group in skull and abdomen AP radiographs (mean values 3.44 and 1.20 mGy, respectively) are above the European reference levels (1.5 mGy to skull and 1.0 mGy to abdomen). ESD values measured in the barium swallow examination reached 10 mGy in skin regions corresponding to thyroid and esophagus. It was noticed during this survey that some technicians use, improperly, X-ray fluoroscopy in conventional examinations to help them in positioning the patient. The results presented here are a

Optimization of the Radiological Protection of Patients in Diagnostic Radiology Department at Kenyatta National Hospital in Kenya

International Nuclear Information System (INIS)

Korir, G.K.; Ochieng, B.O.M; Wambani, J. S.

2008-01-01

The use of ionizing radiation in the medical field accounts for the largest contribution of radiation exposure to man. Use of ionizing radiation requires a careful balance of risks and benefits due to the somatic and hereditary which are well known to have no threshold level due to the random nature of radiation. The radiation doses received by patients undergoing radiographic examinations were measured in 189 randomly selected patients from three different x-ray rooms at a referral, teaching and research hospital in Kenya. The exercise was done on 54 pediatric and 135 adult patients during the screening period between October and November 2005. The entrance surface dose (ESD) to the patients undergoing each of these procedures was measured using LiF-100 thermoluminescent dosimeters (TLDs). The values obtained ranged from 0.33 mGy to 143 mGy for adult patients and 0.12 mGy to 4.32 mGy for pediatric patients. The mean values were found to be 8.44 mGy, 11.16 mGy and 1.44 mGy for rooms A, B and C respectively. The hospital's average dose stood at 7.01 mGy. The mean patient thickness for adults in cm were 19.5 for chest PA/AP, 28 chest LAT, 27 lumbar sacral, 28 lumbar spine AP, 30 lumbar spine LAT and for children 9.5 chest AP, 19.5 chest LAT, 8 post nasal space (PNS) 11.5 lumbar spine AP and 15 for lumbar spine LAT. Adult ages averaged at 35 years and less than 15 years old for sensitive to gamma rathe ESD in most procedures in adults were found to exceed the International ESD reference levels. However, it should be noted that so far guidance levels (GL) for children do not exist. The x-ray units were tested for quality control performance. They failed with respect to kVp accuracy, focal spot size and total filtration tests. From the Radiologists image quality assessment of the radiographs, 52% were awarded grade A, 40% grade B and 8% grade C. Film rejection analysis was measured to be 14% in overall. The following were the major causes; positioning, underexposure and

Long-Term Musical Group Interaction Has a Positive Influence on Empathy in Children

Science.gov (United States)

Rabinowitch, Tal-Chen; Cross, Ian; Burnard, Pamela

2013-01-01

Musical group interaction (MGI) is a complex social setting requiring certain cognitive skills that may also elicit shared psychological states. We argue that many MGI-specific features may also be important for emotional empathy, the ability to experience another person's emotional state. We thus hypothesized that long-term repeated participation…

Premia Foods avab börsil uue kasvutsükli / Kadri Jakobson, Kadri Bank ; kommenteerinud Andrus Alber

Index Scriptorium Estoniae

Jakobson, Kadri, 1970-

2010-01-01

Premia Foods kavatseb oma aktsiad noteerida Tallinna börsil aprillis või mais, firma eesmärk on saada Baltimaade, Skandinaavia ja Loode-Venemaa juhtivaks sügavkülmutatud ja jahutatud toidukaupade tootmise ja müügiga tegelevaks ettevõtteks. Skeem: AS Premia Foods

Radiation induced micrencephaly in guinea pigs

International Nuclear Information System (INIS)

Wagner, L.K.; Johnston, D.A.; Felleman, D.J.

1991-01-01

A brain weight deficit of about 70 mg was induced at doses of approximately 75-mGy and a deficit of 60 mg was induced at 100 mGy. This confirms the effects projected and observed by Wanner and Edwards. Although the data do not demonstrate a clear dose-response relationship between the 75-mGy and 100-mGy groups, the data are statistically consistent with a dose-response effect because of the overlapping confidence intervals. The lack of a statistically significant observation is most likely related to the small difference in doses and the limited numbers of animals examined. There are several factors that can influence the brain weight of guinea pig pups, such as caging and housing conditions, the sex of the animal, and litter size. These should be taken into account for accurate analysis. Dam weight did not appear to have a significant effect. The confirmation of a micrencephalic effect induced x rays at doses of 75-mGy during this late embryonic stage of development is consistent with the findings of small head size induced in those exposed prior to the eight week of conception at Hiroshima. This implies a mechanism for micrencephaly different from those previously suggested and lends credence to a causal relation between radiation and small head size in humans at low doses as reported by Miller and Mulvihill. 16 refs., 13 tabs

Imaging lobular breast carcinoma: comparison of synchrotron radiation DEI-CT technique with clinical CT, mammography and histology

Science.gov (United States)

Fiedler, S.; Bravin, A.; Keyriläinen, J.; Fernández, M.; Suortti, P.; Thomlinson, W.; Tenhunen, M.; Virkkunen, P.; Karjalainen-Lindsberg, M.-L.

2004-01-01

Different modalities for imaging cancer-bearing breast tissue samples are described and compared. The images include clinical mammograms and computed tomography (CT) images, CT images with partly coherent synchrotron radiation (SR), and CT and radiography images taken with SR using the diffraction enhanced imaging (DEI) method. The images are evaluated by a radiologist and compared with histopathological examination of the samples. Two cases of lobular carcinoma are studied in detail. The indications of cancer are very weak or invisible in the conventional images, but the morphological changes due to invasion of cancer become pronounced in the images taken by the DEI method. The strands penetrating adipose tissue are seen clearly in the DEI-CT images, and the histopathology confirms that some strands contain the so-called 'Indian file' formations of cancer cells. The radiation dose is carefully measured for each of the imaging modalities. The mean glandular dose (MGD) for 50% glandular breast tissue is about 1 mGy in conventional mammography and less than 0.25 mGy in projection DEI, while in the clinical CT imaging the MGD is very high, about 45 mGy. The entrance dose of 95 mGy in DEI-CT imaging gives rise to an MGD of 40 mGy, but the dose may be reduced by an order of magnitude, because the contrast is very large in most images.

Patient dosimetry study of a paediatric CT examination

International Nuclear Information System (INIS)

Hranitzky, C.; Stadtmann, H.

2011-01-01

Dosimetry studies are of increasing interest in diagnostic high-dose applications such as computed tomography especially for examinations of children. A routine CT scan protocol for paediatric head and neck imaging was investigated at a new multi-detector CT scanner using LiF:Mg,Cu,P thermoluminescence dosemeters (TLDs) and a 0.125 cm 3 thimble ionization chamber. Calibrations of the detectors in terms of absorbed dose to water were carried out at the Dosimetry Laboratory Seibersdorf in standard radiation fields. The dosimetry method was validated in the spiral CT X-ray field by comparing TLD and ionization chamber measurement results in cylindrical PMMA phantoms. Absorbed dose results were within stated uncertainties. An anthropomorphic phantom representing a child of about 5 years was loaded with TLD chips at various organ and tissue positions in the head and neck region as well as at some critical organ locations. Organ dose values were calculated from TLD based average absorbed dose with about 5% total uncertainty, e.g. 22 mGy (eyes), 21 mGy (thyroid), 19 mGy (brain), 3.4 mGy (thymus), and 0.03 mGy (testes). For comparison purposes an effective dose of 1.9 mSv was estimated for the investigated paediatric CT examination based on ICRP-103 age-independent tissue-weighting factors.

Environmental effects of radionuclides - observations on natural ecosystems

Energy Technology Data Exchange (ETDEWEB)

Copplestone, D. [Industrial Ecology Research Centre, School of Biological Sciences, University of Liverpool, Liverpool L69 3BX (United Kingdom). E-mail: copplest at liv.ac.uk; Toal, M.E.; Johnson, M.S. [Industrial Ecology Research Centre, School of Biological Sciences, University of Liverpool, Liverpool L69 3BX (United Kingdom); Jackson, D.; Jones, S.R. [Westlakes Scientific Consulting, Princess Royal Building, Westlakes Science and Technology Park, Moor Row, Cumbria CA24 3LN (United Kingdom)

2000-03-01

To better quantify risk to non-human species from exposure to environmental radioactivity, understanding of the behaviour of radionuclides in the biosphere needs to be increased. This study outlines current thinking on ecological risk assessment (ERA) methodology and applies the indicator species or critical groups approach to biota inhabiting a semi-natural coniferous woodland contaminated with the radionuclides {sup 137}Cs, {sup 238}Pu, {sup 239+240}Pu and {sup 241}Am. The majority of these radionuclides originate from routine aerial emissions from the nuclear fuel reprocessing plant at BNFL, Sellafield, Cumbria, UK. Radionuclide activity concentrations have been determined in biota from the woodland and estimates of absorbed dose rates (mGy d{sup -1}) have been calculated using the dosimetric models outlined. Dose rates to the key indicator species, Oniscus asellus, Carabus violaceous and Apodemus sylvaticus (detritivorous invertebrate, predatory invertebrate and the granivorous wood mouse) have been determined at 3.0x10{sup -3} mGy d{sup -1}, 2.2x10{sup -3} mGy d{sup -1} and 1.0x10{sup -3} mGy d{sup -1} respectively. The values are at least three orders of magnitude lower than the 1 mGy d{sup -1} level below which no observable effects on populations in a terrestrial ecosystem are thought to occur. Limitations of this approach are discussed. (author)

Increased apoptosis and DNA double-strand breaks in the embryonic mouse brain in response to very low-dose X-rays but not 50 Hz magnetic fields

Science.gov (United States)

Saha, Shreya; Woodbine, Lisa; Haines, Jackie; Coster, Margaret; Ricket, Nicole; Barazzuol, Lara; Ainsbury, Elizabeth; Sienkiewicz, Zenon; Jeggo, Penny

2014-01-01

The use of X-rays for medical diagnosis is enhancing exposure to low radiation doses. Exposure to extremely low-frequency electromagnetic or magnetic fields is also increasing. Epidemiological studies show consistent associations of childhood leukaemia with exposure to magnetic fields but any causal relationship is unclear. A limitation in assessing the consequence of such exposure is the availability of sensitive assays. The embryonic neuronal stem and progenitor cell compartments are radiosensitive tissues. Using sensitive assays, we report a statistically significant increase in DNA double-strand break (DSB) formation and apoptosis in the embryonic neuronal stem cell compartment following in utero exposure to 10–200 mGy X-rays. Both endpoints show a linear response. We also show that DSB repair is delayed following exposure to doses below 50 mGy compared with 100 mGy. Thus, we demonstrate in vivo consequences of low-dose radiation. In contrast to these impacts, we did not observe any significant induction of DSBs or apoptosis following exposure to 50 Hz magnetic fields (100 or 300 µT). We conclude that any DSB induction by treatment with magnetic fields is lower than following exposure to 10 mGy X-rays. For comparison, certain procedures involving computed tomography scanning are equivalent to 1–5 mGy X-rays. PMID:25209403

Penelitian Nilai Beban Pencemaran Pada Beberapa Ekstrak Zat Warna Alam

Directory of Open Access Journals (Sweden)

Kun Lestari

2016-04-01

Full Text Available Zat Pewarna Alam (ZWA akan direkomendasikan sebagai pewarna yang ramah baik bagi lingkungan maupun kesehatan, disebabkan karena kandungan komponen alaminya mempunyai nilai beban pencemaran yang rendah, mudah terdegradasi secara biologis dan tidak beracun. Pernyataan tersebut perlu diyakinkan kebenarannya. Telah dilakukan pengujian terhadap ekstrak pekat (0,75-1,00° Be dari 13 jenis sumber ZWA dari beberapa daerah di Indonesia yaitu: bakau, secang. sonokeling. bayam, markisa. bengkirai, nangka, pinus, kruing, kara benguk, tingi, tegeran dan mengkudu. Bahan pencemaran dinyatakan terhadap nilai BOD5, COD dan kandungan Fe (besi dalam ekstrak pekat yang telah tersimpan selama ±12 bulan. Dari hasil pengujian terlihat bahwa kadar BOD5 dan COD dari 13 jenis ekstrak ZWA mempunyai nilai 1700 mg/l. Tujuh jenis ekstrak ZWA yaitu ekstrak dari kayu nangka, kayu pinus. kayu kruing, kulit kara benguk, kulit kayu tingi, kayu tegeran dan akar mengkudu mempunyai nilai BOD5 dan COD 1000 mg/l, sedangkan ekstrak kulit batang bakau, kayu secang, kayu sonokeling, kayu buyam, kulit buah markisa dan kayu bengkirai mempunyai nilai BOD5 dan COD antara 1100 - 1700 mg/I. Dibandingkan dengan beban pencemaran yang diakibatkan oleh limbah cair pada pencelupan batik menggunakan zat warna sintetis (ZWS seperti Indigosol yang mempunyai nilai BOD5 = 3.053 mg/I, COD = 10.230 mg/I, dan Naphtol yang mempunyai nilai BOD5 = 5.411 mg/I, COD= 19.921 mg/I maka beban pencemaran ekstrak pekat ZWA masih jauh lebih kecil. Melihat perbandingan COD/BOD5 (=1,3-1,6, beban pencemaran ekstrak pekat ZWA dapat dikelompokkan ke dalam golongan air limbah rumah tangga (COD/BOD5 (2.Zat Pewarna Alam (ZWA akan direkomendasikan sebagai pewarna yang ramah baik bagi lingkungan maupun kesehatan, disebabkan karena kandungan komponen alaminya mempunyai nilai beban pencemaran yang rendah, mudah terdegradasi secara biologis dan tidak beracun. Pernyataan tersebut perlu diyakinkan kebenarannya. Telah dilakukan

Fabergé fondi tunnustus Eesti ehtekunstile

Index Scriptorium Estoniae

2002-01-01

Mais Peterburis toimunud Fabergé fondi noorte ehtekunsti rahvusvahelisel konkurssnäitusel võitis nooremas vanuserühmas I preemia EKA sepakunsti üliõpilane Argo Männik, II-III preemiat jagas ehtekunsti magistrant Andrus Rumm. Mais oli EKA ehteväljapanek Genfis kaasaegse ehtekunsti suursündmusel "L' ornement est-il toujours un crime". Väljapanekud koostas Kadri Mälk. Genfi kunstimuuseumis šveitsi XX sajandi ehtekunsti erinäitus. Muuseum avaldas soovi võtta oma püsikogusse Eve Margus-Villemsi objekt "Enesepettus"

SU-F-I-36: In-Utero Dose Measurements Within Postmortem Subjects for Estimating Fetal Doses in Pregnant Patients Examined with Pulmonary Embolism, Trauma, and Appendicitis CT

Energy Technology Data Exchange (ETDEWEB)

Lipnharski, I; Quails, N; Carranza, C; Correa, N; Bidari, S; Bickelhaup, M; Rill, L; Arreola, M [University of Florida, Gainesville, FL (United States)

2016-06-15

Purpose: The imaging of pregnant patients is medically necessary in certain clinical situations. The purpose of this work was to directly measure uterine doses in a cadaver scanned with CT protocols commonly performed on pregnant patients in order to estimate fetal dose and assess potential risk. Method: One postmortem subject was scanned on a 320-slice CT scanner with standard pulmonary embolism, trauma, and appendicitis protocols. All protocols were performed with the scan parameters and ranges currently used in clinical practice. Exams were performed both with and without iterative reconstruction to highlight the dose savings potential. Optically stimulated luminescent dosimeters (OSLDs) were inserted into the uterus in order to approximate fetal doses. Results: In the pulmonary embolism CT protocol, the uterus is outside of the primary beam, and the dose to the uterus was under 1 mGy. In the trauma and appendicitis protocols, the uterus is in the primary beam, the fetal dose estimates were 30.5 mGy for the trauma protocol, and 20.6 mGy for the appendicitis protocol. Iterative reconstruction reduced fetal doses by 30%, with uterine doses at 21.3 for the trauma and 14.3 mGy for the appendicitis protocol. Conclusion: Fetal doses were under 1 mGy when exposed to scatter radiation, and under 50 mGy when exposed to primary radiation with the trauma and appendicitis protocols. Consistent with the National Council on Radiation Protection & Measurements (NCRP) and the International Commission on Radiological Protection (ICRP), these doses exhibit a negligible risk to the fetus, with only a small increased risk of cancer. Still, CT scans are not recommended during pregnancy unless the benefits of the exam clearly outweigh the potential risk. Furthermore, when possible, pregnant patients should be examined on CT scanners equipped with iterative reconstruction in order to keep patient doses as low as reasonable achievable.

Neuroimmune response and sleep studies after whole body irradiation with high-LET particles

Science.gov (United States)

Marquette, C.; Mathieu, J.; Bertho, J.-M.; Galonnier, M.; Wysoki, J.; Maubert, C.; Balanzat, E.; Gerbin, R.; Aigueperse, J.; Clarençon, D.

2009-10-01

In order to investigate the biological effects of galactic rays on astronaut cerebral functions after space flight, mice were exposed to different heavy ions (HZE) in whole-body conditions at doses comparable to the galactic flux: 12C, 16O and 20Ne (95 MeV/u, at 42-76 mGy). Animals were also exposed to 42 mGy of 60Co radiation for comparison with HZE. The neuroimmune response, evaluated by interleukin-1 (IL-1) measurement, showed that this cytokine was produced 3 h after irradiation by 16O or 60Co. In contrast, neither 12C (56.7 mGy) nor 20Ne (76 mGy) induced IL-1 production. However, immunohistochemical staining of 12C-irradiated mouse brain tissue showed 2 months later a marked inflammatory reaction in the hippocampus and a diffuse response in parenchyma. Sleep studies were realized before and after exposure to 42 mGy of 16O and 76 mGy of 20Ne: only the 20Ne radiation displayed a small effect. A slight decrease in paradoxical sleep, corresponding to a reduction in the number of episodes of paradoxical sleep, was manifested between 8 and 22 days after exposure. Exposure to 12C and 16O induced no changes either in cellularity of spleen or thymus, or in caspase 3 activity (as much as four months after irradiation). Taken together, these data indicate that the CNS could be sensitive to heavy ions and that responses to HZE impact depend on the nature of the particle, the dose threshold and the time delay to develop biological processes. Differences in responses to different HZE highlight the complex biological phenomena to which astronauts are submitted during space flight.

Neuro-immune response and sleep studies after whole body irradiation with high-LET particles

International Nuclear Information System (INIS)

Marquette, C.; Bertho, J.M.; Wysoki, J.; Maubert, C.; Gerbin, R.; Aigueperse, J.; Mathieu, J.; Galonnier, M.; Clarencon, D.; Balanzat, E.

2009-01-01

In order to investigate the biological effects of galactic rays on astronaut cerebral functions after space flight, mice were exposed to different heavy ions (HZE) in whole-body conditions at doses comparable to the galactic flux: 12 C, 16 O and 20 Ne (95 MeV/u, at 42-76 mGy). Animals were also exposed to 42 mGy of 60 Co radiation for comparison with HZE. The neuro-immune response, evaluated by interleukin-I (IL-1) measurement, showed that this cytokine was produced 3 h after irradiation by 16 O or 60 Co. In contrast, neither 12 C (56.7 mGy) nor 20 Ne (76 mGy) induced IL-1 production. However, immunohistochemical staining of 12 C-irradiated mouse brain tissue showed 2 months later a marked inflammatory reaction in the hippocampus and a diffuse response in parenchyma. Sleep studies were realized before and after exposure to 42 mGy of 16 O and 76 mGy of 20 Ne: only the 20 Ne radiation displayed a small effect. A slight decrease in paradoxical sleep, corresponding to a reduction in the number of episodes of paradoxical sleep, was manifested between 8 and 22 days after exposure. Exposure to 12 C and 16 O induced no changes either in cellularity of spleen or thymus, or in caspase 3 activity (as much as four months after irradiation). Taken together, these data indicate that the CNS could be sensitive to heavy ions and that responses to HZE impact depend on the nature of the particle, the dose threshold and the time delay to develop biological processes. Differences in responses to different HZE highlight the complex biological phenomena to which astronauts are submitted during space flight. (authors)

SU-E-I-09: Application of LiF:Mg,Cu (TLD-100H) Dosimeters for in Diagnostic Radiology

Energy Technology Data Exchange (ETDEWEB)

Sina, S [Radiation Research Center, Shiraz University, Shiraz (Iran, Islamic Republic of); Zeinali, B; Karimipourfard, M; Lotfalizadeh, F; Sadeghi, M [Nuclear Engineering Department, Shiraz University, Shiraz (Iran, Islamic Republic of); Faghihi, R [Radiation Research Center, Shiraz University, Shiraz (Iran, Islamic Republic of); Nuclear Engineering Department, Shiraz University, Shiraz (Iran, Islamic Republic of)

2014-06-01

Purpose: Accurate dosimetery is very essential in diagnostic radiology. The goal of this study is to verify the application of LiF:Mg,Cu,P (TLD100H) in obtaining the Entrance skin dose (ESD) of patients undergoing diagnostic radiology. The results of dosimetry performed by TLD-100H, were compared with those obtained by TLD100, which is a common dosimeter in diagnostic radiology. Methods: In this study the ESD values were measured using two types of Thermoluminescence dosimeters (TLD-100, and TLD-100H) for 16 patients undergoing diagnostic radiology (lumbar spine imaging). The ESD values were also obtained by putting the two types of TLDs at the surface of Rando phantom for different imaging techniques and different views (AP, and lateral). The TLD chips were annealed with a standard procedure, and the ECC values for each TLD was obtained by exposing the chips to equal amount of radiation. Each time three TLD chips were covered by thin dark plastic covers, and were put at the surface of the phantom or the patient. The average reading of the three chips was used for obtaining the dose. Results: The results show a close agreement between the dose measuered by the two dosimeters.According to the results of this study, the TLD-100H dosimeters have higher sensitivities (i.e.signal(nc)/dose) than TLD-100.The ESD values varied between 2.71 mGy and 26.29 mGy with the average of 11.89 mGy for TLD-100, and between 2.55 mGy and 27.41 mGy with the average of 12.32 mGy for measurements. Conclusion: The TLD-100H dosimeters are suggested as effective dosimeters for dosimetry in low dose fields because of their higher sensitivities.

SU-E-I-09: Application of LiF:Mg,Cu (TLD-100H) Dosimeters for in Diagnostic Radiology

International Nuclear Information System (INIS)

Sina, S; Zeinali, B; Karimipourfard, M; Lotfalizadeh, F; Sadeghi, M; Faghihi, R

2014-01-01

Purpose: Accurate dosimetery is very essential in diagnostic radiology. The goal of this study is to verify the application of LiF:Mg,Cu,P (TLD100H) in obtaining the Entrance skin dose (ESD) of patients undergoing diagnostic radiology. The results of dosimetry performed by TLD-100H, were compared with those obtained by TLD100, which is a common dosimeter in diagnostic radiology. Methods: In this study the ESD values were measured using two types of Thermoluminescence dosimeters (TLD-100, and TLD-100H) for 16 patients undergoing diagnostic radiology (lumbar spine imaging). The ESD values were also obtained by putting the two types of TLDs at the surface of Rando phantom for different imaging techniques and different views (AP, and lateral). The TLD chips were annealed with a standard procedure, and the ECC values for each TLD was obtained by exposing the chips to equal amount of radiation. Each time three TLD chips were covered by thin dark plastic covers, and were put at the surface of the phantom or the patient. The average reading of the three chips was used for obtaining the dose. Results: The results show a close agreement between the dose measuered by the two dosimeters.According to the results of this study, the TLD-100H dosimeters have higher sensitivities (i.e.signal(nc)/dose) than TLD-100.The ESD values varied between 2.71 mGy and 26.29 mGy with the average of 11.89 mGy for TLD-100, and between 2.55 mGy and 27.41 mGy with the average of 12.32 mGy for measurements. Conclusion: The TLD-100H dosimeters are suggested as effective dosimeters for dosimetry in low dose fields because of their higher sensitivities

Assessment of mean glandular dose to patients from digital mammography systems

International Nuclear Information System (INIS)

Pwamang, Caroline K.

2016-07-01

Mean glandular dose assessment of patients undergoing digital mammography examination has been done. A total of 297 patient data was used for the study. Basic Quality Control tests were done to ascertain the performance of the equipment used. The results of Quality Control tests indicated that the three Mammography units used for this study were functioning within the internationally acceptable performance criteria. Patients with a breast thickness of 30 mm within the two age groups of 40-49 yrs and 50-64 yrs received doses slightly higher than the acceptable dose levels. A patient in the category 40-49 yrs with breast thickness of 30 mm received 1.83 mGy as calculated Mean Glandular Dose, 2.10 mGy was the recorded dose and 1.58 mGy was recorded under the age group 50-64 yrs. These values have deviated by -22%, -40%, and -5.33% respectively from 1.5 mGy which is the recommended dose for a breast thickness of 30 mm. Also patients with breast thickness of 70 mm under the age group 40–49 yrs had a recorded dose of 6.58 mGy, which deviated by -1.21% from the recommended value of 6.5 mGy for that breast thickness. Aside these values, all the other values were within the recommended dose values. The percentage deviation between the recommended values and the calculated values was within ±25% which was a working limit that was set for this work. Doses delivered by the Full-field Digital mammography equipment were higher than doses delivered by the Computered Radiography equipment. The calculated Mean Glandular Doses for the three facilities were within recommended dose values. (author)

Use of the EC quality criteria as a common method of inspecting CT laboratories - A pilot project by the Nordic radiation protection authorities

International Nuclear Information System (INIS)

Torp, C.G.; Olerud, H.M.; Einarsson, G.; Groen, P.; Leitz, W.; Servomaa, A.

2001-01-01

In the frame of Nordic radiation protection co-operation, quality criteria for computed tomography (CT) as published by the European Commission were used for the evaluation of selected CT laboratories in each of the Nordic countries. The mean values for all five countries of the weighted CT dose index (CTDI w ) and dose length product (DLP) were 60 mGy and 740 mGy · cm for CT of the brain, 11 mGy and 420 mGy · cm for CT of the chest, and 40 mGy and 420 mGy · cm for CT of the lumbar spine, respectively. A comparison with the reference levels set in the above mentioned publication gives a diversified result: compliance for the DLP-values is generally achieved with good margins whereas the CTDI w -values were frequently larger for brain and lumbar spine examinations. The radiographic technique was generally also within the recommendations from the EC. Generally most of the image quality criteria were fulfilled, but it must be borne in mind that the study was biased in the way that two local radiologists in consensus evaluated their own images. Image material from only three patients was selected for each of the clinical indications, that means the project was not designed for ranking laboratories, but it is a way of making the departments aware of the need for optimisation regarding image quality and patient dose, and also of the problems associated with this task. During the study suggestions were brought forward concerning amendments of the quality criteria: some need a better definition, some are not relevant for the diagnostic task in question, some could be added. Instead of 'yes' and 'no', a range of maybe 5 levels of visualisation should be introduced in order to better characterize the level of diagnostic performance. (author)

Assessment of DNA double-strand breaks induced by intravascular iodinated contrast media following in vitro irradiation and in vivo, during paediatric cardiac catheterization.

Science.gov (United States)

Gould, Richard; McFadden, Sonyia L; Horn, Simon; Prise, Kevin M; Doyle, Philip; Hughes, Ciara M

2016-01-01

Paediatric cardiac catheterizations may result in the administration of substantial amounts of iodinated contrast media and ionizing radiation. The aim of this work was to investigate the effect of iodinated contrast media in combination with in vitro and in vivo X-ray radiation on lymphocyte DNA. Six concentrations of iodine (15, 17.5, 30, 35, 45, and 52.5 mg of iodine per mL blood) represented volumes of iodinated contrast media used in the clinical setting. Blood obtained from healthy volunteers was mixed with iodinated contrast media and exposed to radiation doses commonly used in paediatric cardiac catheterizations (0 mGy, 70 mGy, 140 mGy, 250 mGy and 450 mGy). Control samples contained no iodine. For in vivo experimentation, pre and post blood samples were collected from children undergoing cardiac catheterization, receiving iodine concentrations of up to 51 mg of iodine per mL blood and radiation doses of up to 400 mGy. Fluorescence microscopy was performed to assess γH2AX-foci induction, which corresponded to the number of DNA double-strand breaks. The presence of iodine in vitro resulted in significant increases of DNA double-strand breaks beyond that induced by radiation for ≥ 17.5 mg/mL iodine to blood. The in vivo effects of contrast media on children undergoing cardiac catheterization resulted in a 19% increase in DNA double-strand breaks in children receiving an average concentration of 19 mg/mL iodine to blood. A larger investigation is required to provide further information of the potential benefit of lowering the amount of iodinated contrast media received during X-ray radiation investigations. Copyright © 2015 John Wiley & Sons, Ltd.

Survey of pediatric MDCT radiation dose from university hospitals in Thailand. A preliminary for national dose survey

Energy Technology Data Exchange (ETDEWEB)

Kritsaneepaiboon, Supika [Dept. of Radiology, Faculty of Medicine, Prince of Songkla Univ., Hat Yai (Thailand)], e-mail: supikak@yahoo.com; Trinavarat, Panruethai [Dept. of Radiology, Faculty of Medicine, Chulalongkorn Univ., Bangkok (Thailand); Visrutaratna, Pannee [Dept. of Radiology, Faculty of Medicine, Chiang Mai Univ., Chiang Mai (Thailand)

2012-09-15

Background: Increasing pediatric CT usage worldwide needs the optimization of CT protocol examination. Although there are previous published dose reference level (DRL) values, the local DRLs should be established to guide for clinical practice and monitor the CT radiation. Purpose: To determine the multidetector CT (MDCT) radiation dose in children in three university hospitals in Thailand in four age groups using the CT dose index (CTDI) and dose length product (DLP). Material and Methods: A retrospective review of CT dosimetry in pediatric patients (<15 years of age) who had undergone head, chest, and abdominal MDCT in three major university hospitals in Thailand was performed. Volume CTDI (CTDIvol) and DLP were recorded, categorized into four age groups: <1 year, 1- < 5 years, 5- <10 years, and 10- <15 years in each scanner. Range, mean, and third quartile values were compared with the national reference dose levels for CT in pediatric patients from the UK and Switzerland according to International Commission on Radiological Protection (ICRP) recommendation. Results: Per age group, the third quartile values for brain, chest, and abdominal CTs were, respectively, in terms of CTDIvol: 25, 30, 40, and 45 mGy; 4.5, 5.7, 10, and 15.6 mGy; 8.5, 9, 14, and 17 mGy; and in terms of DLP: 400, 570, 610, and 800 mGy cm; 80, 140, 305, and 470 mGy cm; and 190, 275, 560,765 mGy cm. Conclusion: This preliminary national dose survey for pediatric CT in Thailand found that the majority of CTDIvol and DLP values in brain, chest, and abdominal CTs were still below the diagnostic reference levels (DRLs) from the UK and Switzerland regarding to ICRP recommendation.

Measurement of photo-neutron cross sections and isomeric yield ratios in the {sup 89}Y(γ,xn){sup 89-x}Y reactions at the bremsstrahlung end-point energies of 65, 70 and 75 MeV

Energy Technology Data Exchange (ETDEWEB)

Tatari, Mansoureh [Yazd Univ. (Iran, Islamic Republic of). Physics Dept.; Naik, Haladhara [Bhabha Atomic Research Centre, Mumbai (India). Radiochemistry Div.; Kim, Guinyun; Kim, Kwangsoo [Kyungpook National Univ., Daegu (Korea, Republic of). Dept. of Physics; Shin, Sung-Gyun; Cho, Moo-Hyun [Pohang Univ. of Science and Technology (Korea, Republic of). Div. of Advanced Nuclear Engineering

2017-07-01

The flux-weighted average cross sections of the {sup 89}Y(γ,xn; x=1-4){sup 89-x}Y reactions and the isomeric yield ratios of the {sup 87m,g}Y, {sup 86m,g}Y, and {sup 85m,g}Y radionuclides produced in these reactions with the bremsstrahlung end-point energies of 65, 70 and 75 MeV have been determined by an activation and off-line γ-ray spectrometric technique using the 100 MeV electron linac in Pohang Accelerator Laboratory, Korea. The theoretical {sup 89}Y(γ,xn; x=1-4){sup 89-x}Y reaction cross sections for mono-energetic photons have been calculated using the computer code TALYS 1.6. Then the flux-weighted theoretical values were obtained to compare with the present data. The flux-weighted experimental and theoretical {sup 89}Y(γ,xn; x=1-4){sup 89-x}Y reaction cross sections increase very fast from the threshold values to a certain bremsstrahlung energy, where the other reaction channels open up. Thereafter it remains constant a while and then slowly decreases with the increase of cross sections for other reactions. Similarly, the isomeric yield ratios of {sup 87m,g}Y, {sup 86m,g}Y and {sup 85m,g}Y in the {sup 89}Y(γ,xn; x=2-4){sup 89-x}Y reactions from the present work and literature data show an increasing trend from their respective threshold values to a certain bremsstrahlung energy. After a certain point of energy, the isomeric yield ratios increase slowly with the bremsstrahlung energy. These observations indicate the role of excitation energy and its partitioning in different reaction channels.

Image evaluation and exposure dose with the application of tube voltage and adaptive statistical iterative reconstruction of low dose computed tomography

Energy Technology Data Exchange (ETDEWEB)

Moon, Tae Joon [Dept. of Radiology, Konkuk University Medical Center, Seoul (Korea, Republic of); Kim, Ki Jeong [Dept. of Radiology, Wonkwang University Hospital, Iksan (Korea, Republic of); Lee, Hye Nam [Dept. of Radiology, Gimsangyeong Internal Medicine Clinic, Nonsan (Korea, Republic of)

2017-06-15

The study has attempted to evaluate and compare the image evaluation and exposure dose by respectively applying filter back projection (FBP), the existing test method, and adaptive statistical iterative reconstruction (ASIR) with different values of tube voltage during the low dose computed tomography (LDCT). With the image reconstruction method as basis, chest phantom was utilized with the FBP and ASIR set at 10%, 20% respectively, and the change of tube voltage (100 kVp, 120 kVp). For image evaluation, back ground noise, signal-noise ratio (SNR) and contrast-noise ratio (CNR) were measured, and, for dose assessment, CTDIvol and DLP were measured respectively. In terms of image evaluation, there was significant difference in ascending aorta (AA) SNR and inpraspinatus muscle (IM) SNR with the different amount of tube voltage (p < 0.05). In terms of CTDIvol, the measured values with the same tube voltage of 120 kVp were 2.6 mGy with no-ASIR and 2.17 mGy with 20%-ASIR respectively, decreased by 0.43 mGy, and the values with 100 kVp were 1.61 mGy with no-ASIR and 1.34 mGy with 20%-ASIR, decreased by 0.27 mGy. In terms of DLP, the measured values with 120 kVp were 103.21 mGy‧cm with no-ASIR and 85.94 mGy‧cm with 20%-ASIR, decreased by 17.27mGy‧cm (about 16.7%), and the values with 100 kVp were 63.84 mGy‧cm with no-ASIR and 53.25 mGy‧cm with 20%-ASIR, a decrease by 10.62 mGy‧cm ( about 16.7%). At lower tube voltage, the rate of dose significantly decreased, but the negative effects on image evaluation was shown due to the increase of noise.

Patient doses in interventional cardiology procedures

International Nuclear Information System (INIS)

Domienik, J.; Papierz, S.; Jankowski, J.; Peruga, J.Z.

2008-01-01

In most countries of European Union legislation requires the determination of the total skin dose to patient resulting from interventional procedures to assess the risk of deterministic effect. To this end, various dose indicators like dose area product (DAP), cumulative dose (CD) and entrance dose at the patient plane (EFD) are used in clinical practice. The study aims at relating those dose indicators with doses ascribe to the most irradiated areas of the patient skin usually expressed in terms of local maximal skin dose (MSD). For the study the local MSD and related to their areas are investigated and compared for coronary angiography CA and intervention (PCI). Two methods implying radiographic films Kodak EDR2 and matrixes of thermoluminescent dosimeters (TLDs) are applied for direct measurements of dose distribution for selected procedures. Both methods are compared. Additionally, for patient dosimetry the following data: MSD, CD, EFD, fluoroscopy time (FT), number of acquired images, total DAP, fluoro-DAP and record-DAP were collected for randomly selected procedure. The statistical quantities like: median, 3 rd quartile, mean and standard deviation for all dosimetric parameters are determined. Preliminary study showed that the values of data collected for coronary procedures are in the ranges 0,7 - 27,3 min for fluoroscopy time, 50 - 350 Gy cm 2 for total DAP, 300 - 2000 mGy for CD, 140 - 2000 mGy for EFD and 100 - 1500 mGy for local maximal skin dose. For interventions the ranges are, accordingly 3,0 - 43,6 min , 25 - 450 Gy cm 2 , 270 - 6600 mGy, 80 - 2600 mGy and 80 - 1500 mGy. As a result of the study the correlations between dose indicators and local MSD are analyzed. The concentration of dose on irradiated films are going to be investigated in some detail as well. (author)

SU-F-I-36: In-Utero Dose Measurements Within Postmortem Subjects for Estimating Fetal Doses in Pregnant Patients Examined with Pulmonary Embolism, Trauma, and Appendicitis CT

International Nuclear Information System (INIS)

Lipnharski, I; Quails, N; Carranza, C; Correa, N; Bidari, S; Bickelhaup, M; Rill, L; Arreola, M

2016-01-01

Purpose: The imaging of pregnant patients is medically necessary in certain clinical situations. The purpose of this work was to directly measure uterine doses in a cadaver scanned with CT protocols commonly performed on pregnant patients in order to estimate fetal dose and assess potential risk. Method: One postmortem subject was scanned on a 320-slice CT scanner with standard pulmonary embolism, trauma, and appendicitis protocols. All protocols were performed with the scan parameters and ranges currently used in clinical practice. Exams were performed both with and without iterative reconstruction to highlight the dose savings potential. Optically stimulated luminescent dosimeters (OSLDs) were inserted into the uterus in order to approximate fetal doses. Results: In the pulmonary embolism CT protocol, the uterus is outside of the primary beam, and the dose to the uterus was under 1 mGy. In the trauma and appendicitis protocols, the uterus is in the primary beam, the fetal dose estimates were 30.5 mGy for the trauma protocol, and 20.6 mGy for the appendicitis protocol. Iterative reconstruction reduced fetal doses by 30%, with uterine doses at 21.3 for the trauma and 14.3 mGy for the appendicitis protocol. Conclusion: Fetal doses were under 1 mGy when exposed to scatter radiation, and under 50 mGy when exposed to primary radiation with the trauma and appendicitis protocols. Consistent with the National Council on Radiation Protection & Measurements (NCRP) and the International Commission on Radiological Protection (ICRP), these doses exhibit a negligible risk to the fetus, with only a small increased risk of cancer. Still, CT scans are not recommended during pregnancy unless the benefits of the exam clearly outweigh the potential risk. Furthermore, when possible, pregnant patients should be examined on CT scanners equipped with iterative reconstruction in order to keep patient doses as low as reasonable achievable.

Image evaluation and exposure dose with the application of tube voltage and adaptive statistical iterative reconstruction of low dose computed tomography

International Nuclear Information System (INIS)

Moon, Tae Joon; Kim, Ki Jeong; Lee, Hye Nam

2017-01-01

The study has attempted to evaluate and compare the image evaluation and exposure dose by respectively applying filter back projection (FBP), the existing test method, and adaptive statistical iterative reconstruction (ASIR) with different values of tube voltage during the low dose computed tomography (LDCT). With the image reconstruction method as basis, chest phantom was utilized with the FBP and ASIR set at 10%, 20% respectively, and the change of tube voltage (100 kVp, 120 kVp). For image evaluation, back ground noise, signal-noise ratio (SNR) and contrast-noise ratio (CNR) were measured, and, for dose assessment, CTDIvol and DLP were measured respectively. In terms of image evaluation, there was significant difference in ascending aorta (AA) SNR and inpraspinatus muscle (IM) SNR with the different amount of tube voltage (p < 0.05). In terms of CTDIvol, the measured values with the same tube voltage of 120 kVp were 2.6 mGy with no-ASIR and 2.17 mGy with 20%-ASIR respectively, decreased by 0.43 mGy, and the values with 100 kVp were 1.61 mGy with no-ASIR and 1.34 mGy with 20%-ASIR, decreased by 0.27 mGy. In terms of DLP, the measured values with 120 kVp were 103.21 mGy‧cm with no-ASIR and 85.94 mGy‧cm with 20%-ASIR, decreased by 17.27mGy‧cm (about 16.7%), and the values with 100 kVp were 63.84 mGy‧cm with no-ASIR and 53.25 mGy‧cm with 20%-ASIR, a decrease by 10.62 mGy‧cm ( about 16.7%). At lower tube voltage, the rate of dose significantly decreased, but the negative effects on image evaluation was shown due to the increase of noise

Survey of image quality and patient dose for computed tomography

International Nuclear Information System (INIS)

Augusto, Fernando Mecca

2009-01-01

The aim of this work is to evaluate the dose index and the image quality in seventeen computed tomography scanners installed in radiology departments at the city of Rio de Janeiro. The American College of Radiology (ACR) accreditation phantom (Gammex, 464) was used for the image quality evaluation. The following parameters were investigated according to the procedure manual of the ACR phantom: CT number calibration, exactitude of the slice thickness, low and high contrast resolution, uniformity, noise and artifacts. Despite of the CT number accuracy, only one scanner passed in the test. The low contrast resolution and the uniformity criteria were not accomplished in two different scanners. The conformity for the criteria established for slice width and high contrast was not verified in 16% and 11 % of the equipment respectively. The noise, expressed as a standard deviation measured in the center of the image in an adult abdomen protocol, ranged from 2.8 to 9.5. The ACR criteria of the accreditation program were not accomplished in the sample evaluated. Some parameters failed are essential to assure the diagnostic accuracy. For the head scans CTDI 100,VOL values varied between 9 and 109 mGy and the DLP from 160 to 2000 mGy cm for adults. Values for abdomen scans varied between 8 and 94 mGy and the DLP from 180 to 3700 mGy cm for adults, and CTDI 100,VOL from 3 to 54 mGy and DLP from 46 to 1300 mGy cm for children. Similar ranges were found for hi-resolution chest scans. These results are compatibles with those from reported literature and indicate a large potential for optimization and dose reduction, specially in pediatric patients. (author)

Evaluation of glandular dose in conventional and digital mammography systems

International Nuclear Information System (INIS)

Coutinho, Celia Maria Campos

2009-01-01

A survey was conducted to estimate the average glandular dose (D g ) for patients undergoing mammography and to report the distribution of incident air kerma (K i ), patient age, compressed breast thickness and glandular tissue content. From 1183 cranio caudal mammograms clinical data were collected and doses were measured. The survey data included mammograms from six mammography equipment: two screen/film units (SFM), two computed radiography units (CR) and two full-field digital (DR). Mean value for patient age and compressed breast thickness were 57 +-12 y and 5.4 +-1.4 cm, respectively. To investigate the importance of technical characteristics of three different mammography systems and breast glandularity, K i and D g were measured for individual breast of 392 patients from the original sample with compressed breast thickness in the range of 5.5 cm to 6.5 cm using tissue-equivalent phantoms of different glandularities manufactured in this study to mimic both the attenuation and the density of breast tissues. Mean K i value was 10.0 +-3.6 mGy for SFM systems, 12.0 +-3.6 mGy for CR systems and 4.9 +-1.3 mGy for DR systems. Mean D g value was 1.4 +-0.5 mGy for S/F systems, 1.7 +-0.5 mGy for CR systems and 0.9 +-0.2 mGy for D R systems. Statistical analysis for differences in mean values of K i and D g between mammography systems showed significant effect of their technical characteristics (p i and D g , it was observed statistically significant differences between the group of patients with 0 to 50% glandularity and the group of patients with 50 to 100% glandularity. (author)

Occupational radiation exposure in the GDR in 1978

International Nuclear Information System (INIS)

Poulheim, K.F.; Rothe, W.; Scheler, R.

1980-01-01

In 1978, radiation workers were monitored for external and internal radiation exposure on the basis of film badges (37,980 persons), measurements with a whole-body counter (186 persons) and analyses of biosamples (144 persons). According to the film badge data, the monthly over-exposures (more than 4 mGy) totalled 427. In 13 cases the monthly exposure exceeded 30 mGy, 8 persons received annual doses in the range of 50 to 120 mGy, and the highest annual dose was above 250 mGy. Also, annual collective and annual per caput doses have been given for the exposed population as a whole and some subgroups. Based on model considerations, the internal radiation exposure situation resulting from unintentional intakes of radionuclides has been assessed in terms of committed dose equivalents to members of two selected groups of radiation workers: (a) persons with more-than-average internal contamination levels; (b) persons subjected to frequent individual monitoring. Except for some organ doses, the individual internal radiation exposure was well below one-tenth the maximum permissible dose. (author)

Mutational influences of low-dose and high let ionizing radiation in drosophila melanogaster

Science.gov (United States)

Lei, Huang; Fanjun, Kong; Sun, Yeqing

For cosmic environment consists of a varying kinds of radiation particles including high Z and energy ions which was charactered with low-dose and high RBE, it is important to determine the possible biofuctions of high LET radiation on human beings. To analyse the possible effectes of mutational influences of low-dose and high-LET ionizing radiation, wild fruit flies drosophila melanogaster were irradiated by 12C6+ ions in two LET levels (63.3 and 30 keV/µum) with different low doses from 2mGy to 2000mGy (2, 20, 200, 2000mGy) in HIRFL (Heavy ion radiation facility laboratory, lanzhou, China).In the same LET value group, the average polymorphic frequency was elevated along with adding doses of irradation, the frequency in 2000 mGy dose samples was significantly higher than other samples (p<0.01).These results suggest that genomic DNA sequence could be effected by low-dose and high-LET ionizing radiation, the irradiation dose is an important element in genomic mutation frequency origination.

Dosimetry of beta particles using Li:Mg, Cu, P + Ptfe

International Nuclear Information System (INIS)

Olvera, L.; Azorin, J.; Rivera, T.

2003-01-01

This paper presents the experimental results of determining the thermoluminescence (Tl) response of LiF: Mg, Cu, P + Ptfe pellets excited with 90 Sr/ 90 Y beta radiation. The glow curve exhibited three peaks which appear at 121 C, 178 C and 217 C . Its relative sensitivity is 49 with respect to that of the TLD-100 dosemeter taken as a reference. The minimal dose that could be measured was 750 mGy. The Tl response as a function of dose was linear in the range of 0.7 mGy to 22.5 mGy. The study of the repeatability of the information contained in the pellets showed a standard deviation of 2 %. (Author)

Reducing the radiation dose to the eye lens region during CT brain examination: the potential beneficial effect of the combined use of bolus and a bismuth shield

International Nuclear Information System (INIS)

Lai, C.W.K.; Chan, T.P.; Cheung, H.Y.; Wong, T.H.

2015-01-01

Objective: Computed Tomography (CT) is the leading contributor to medical exposure to ionizing radiation. Although the use of CT brain scans for patients with head injuries and convulsions has shown a tremendous growth, it has raised substantial concerns in the general public because of the risk of radiation-induced cataracts: the current available strategies to reduce the radiation dose to the eye lens region are limited. Therefore, the present research project was initiated with the aim of evaluating the potential benefit of the combined use of bolus and a bismuth shield on reducing the radiation dose to the eye lens region during CT brain examination. Materials and methods: We conducted a series of phantom studies to measure the entrance surface dose (ESD) that is delivered to the eye lens region during CT brain examination under the effect of different scanning and shielding setups. Results: Our results indicated, during CT brain examination: (1) a drastic reduction of 92.5% in the ESD to the eye lens region was found when the CT gantry was tilted from 0 deg. (overall ESD = 30.7 mGy) to 30 deg. cranially (overall ESD = 2.4 mGy), and (2) when the CT gantry was positioned at 0 deg. (the common practice in the clinical setting), the setups with the application of a) a bismuth shield, b) a bismuth shield with a face shield (air gap), c) a bismuth shield with bolus, and d) a bismuth shield with bolus and an air gap can result in an acceptable level of image quality with a smaller overall ESD delivered to the eye lens region (overall ESD = 23.2 mGy, 24 mGy, 21 mGy and 19.9 mGy, respectively) than the setup without the bismuth shield applied (overall ESD = 30.7 mGy). Conclusion: When the primary beam scanning through the eye lens region is unavoidable during CT brain examination, the combined use of a bismuth shield with bolus and a face shield is an easy-to-use and inexpensive shielding setup to reduce the radiation dose delivered to the eye lens region while

Investigation of lung nodule detectability in low-dose 320-slice computed tomography

Energy Technology Data Exchange (ETDEWEB)

Silverman, J. D.; Paul, N. S.; Siewerdsen, J. H. [Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5G 2M9 (Canada); Department of Medical Imaging, Toronto General Hospital, Toronto, Ontario M5G 2C6 (Canada); Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5G 2M9 (Canada); Ontario Cancer Institute, Princess Margaret Hospital, Toronto, Ontario M5G 2M9 (Canada) and Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5G 2M9 (Canada)

2009-05-15

Low-dose imaging protocols in chest CT are important in the screening and surveillance of suspicious and indeterminate lung nodules. Techniques that maintain nodule detectability yet permit dose reduction, particularly for large body habitus, were investigated. The objective of this study was to determine the extent to which radiation dose can be minimized while maintaining diagnostic performance through knowledgeable selection of reconstruction techniques. A 320-slice volumetric CT scanner (Aquilion ONE, Toshiba Medical Systems) was used to scan an anthropomorphic phantom at doses ranging from {approx}0.1 mGy up to that typical of low-dose CT (LDCT, {approx}5 mGy) and diagnostic CT ({approx}10 mGy). Radiation dose was measured via Farmer chamber and MOSFET dosimetry. The phantom presented simulated nodules of varying size and contrast within a heterogeneous background, and chest thickness was varied through addition of tissue-equivalent bolus about the chest. Detectability of a small solid lung nodule (3.2 mm diameter, -37 HU, typically the smallest nodule of clinical significance in screening and surveillance) was evaluated as a function of dose, patient size, reconstruction filter, and slice thickness by means of nine-alternative forced-choice (9AFC) observer tests to quantify nodule detectability. For a given reconstruction filter, nodule detectability decreased sharply below a threshold dose level due to increased image noise, especially for large body size. However, nodule detectability could be maintained at lower doses through knowledgeable selection of (smoother) reconstruction filters. For large body habitus, optimal filter selection reduced the dose required for nodule detection by up to a factor of {approx}3 (from {approx}3.3 mGy for sharp filters to {approx}1.0 mGy for the optimal filter). The results indicate that radiation dose can be reduced below the current low-dose (5 mGy) and ultralow-dose (1 mGy) levels with knowledgeable selection of

ESR dosimetry study for the residents of Kazakhstan exposed to radioactive fallout on 24, August 1956

Energy Technology Data Exchange (ETDEWEB)

Zhumadilov, K., E-mail: kassym@hiroshima-u.ac.jp [Research Institute for Radiation Biology and Medicine, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima 734-8553 (Japan); Ivannikov, A. [Medical Radiological Research Center, Obninsk 249036 (Russian Federation); Zharlyganova, D. [Astana Medical University, 51a, Beibitshilik str., Astana 010000 (Kazakhstan); Zhumadilov, Zh. [Nazarbayev University, Life Sciences Center, D. Kunayev str., Astana 010000 (Kazakhstan); Stepanenko, V. [Medical Radiological Research Center, Obninsk 249036 (Russian Federation); Abralina, Sh.; Sadvokasova, L. [Semey State Medical Academy, Semey 071400, Abay str. 103 (Kazakhstan); Zhumadilova, A. [Astana Medical University, 51a, Beibitshilik str., Astana 010000 (Kazakhstan); Toyoda, S. [Department of Applied Physics, Faculty of Science, Okayama University of Science, Okayama 700-0005 (Japan); Endo, S. [Department of Quantum Energy Applications, Graduated School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527 (Japan); Okamoto, T. [Department of Molecular Oral Medicine and Maxillofacial Surgery, Division of Frontier Medical Science, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima 734-8553 (Japan); Hoshi, M. [Research Institute for Radiation Biology and Medicine, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima 734-8553 (Japan)

2011-09-15

The method of electron spin resonance (ESR) dosimetry has been applied to human tooth enamel in order to obtain individual absorbed doses from the population of settlements within the vicinity of the central axis of the radioactive fallout trace from the contaminating nuclear surface test of 24, August 1956. Most of the settlements (Glubokoe, Tavriya, and Gagarino) are located near Ust-Kamenogorsk city, in Kazakhstan (about 400 km to the east from the epicenter of the explosion at the Semipalatinsk Nuclear Test Site (SNTS)). It was found that the excess doses obtained after the subtraction of natural background radiation ranged up to about 120 mGy for the residents of Ust-Kamenogorsk city, whose tooth enamel was formed before 1956. For the residents of Gagarino, excess doses do not exceed 47 mGy for all ages. For the residents of Tavriya, the maximum of excess dose was determined as 54 mGy and for the residents of Glubokoe, the maximum excess dose was about 83 mGy. For the population of the Shemonaikha settlements (about 70 km from the centerline of the radioactive fallout trace) the highest excess dose is 110 mGy. Also for this study, Znamenka village (about 130 km from the epicenter) was included. The Kokpekty settlement was chosen as a control and not subjected to any radioactive contamination and is located 400 km to the Southeast from SNTS.

Estimation of mean glandular dose for patients who undergo mammography and studying the factors affecting it

Science.gov (United States)

Barzanje, Sana L. N. H.; Harki, Edrees M. Tahir Nury

2017-09-01

The objective of this study was to determine mean glandular dose (MGD) during diagnostic mammography. This study was done in two hospitals in Hawler city in Kurdistan -region /Iraq, the exposure parameters kVp and mAs was recorded for 40 patients under go mammography. The MGD estimated by multiplied ESD with normalized glandular dose (Dn). The ESD measured indirectly by measuring output radiation mGy/mAs by using PalmRAD 907 as a suitable detector (Gigger detector).the results; shown that the mean and its standard deviation of MGD for Screen Film Mammography and Digital Mammography are (0.95±0.18)mGy and (0.99±0.26)mGy, respectively. And there is a significant difference between MGD for Screen Film Mammography and Digital Mammography views (p≤0. 05). Also the mean value and its standard deviation of MGD for screen film mammography is (0.96±0.21) for CC projection and (1.03±0.3) mGy for MLO projection, but mean value and its standard deviation evaluated of MGD for digital mammography is (0.92±0.17) mGy for CC projection and (0.98±0.2) mGy for MLO projection. As well as, the effect of kVp and mAs in MGD were studied, shows that in general as kVp and mAs increased the MGD increased accordingly in both of mammography systems.

Dose distribution over the radiation field and organs of the body during radiotherapy procedures

International Nuclear Information System (INIS)

Roy, S.; Begum, M.; Ambia, A.S.M.; Akhter, S.; Banu, H.

2001-01-01

Beam profile of the 60 Co teletherapy unit for 10 cm x 10 cm along central axis was measured to study the symmetry of the gamma beam and found that the average dose was 98.44±1.40 mGy. Output dose versus field size was also measured and values were found reasonable. Dose prescription to delivery was measured by placing TLD onto the treatment field for lung and cervix cancer patient which was found to be 39.16±2.98 Gy and 50.48±3.68 Gy respectively which are within 2 % and 0.17 % of the prescribed dose as 40.00 and 50.40 Gy respectively, reveals good agreement with the treatment planning. Six typical types of patients (both male and female) with cancers in lung, larynx, breast, cervix, oesophagus and brain treated with 60 Co teletherapy were particularly considered for dose assessment at different critical organs of interest. It was observed that the doses to the lens of eye with a maximum value of 460.35+78.87 mGy for a larynx cancer patient to a minimum value of 30.80+4.00 mGy of a cervix cancer patient. Doses to the gonad vary with a maximum value of 3810.80+389.76 mGy for a cervix cancer patient to a minimum value of 8.20+1.00 mGy for a brain cancer patient. (author)

Assessment of dedicated low-dose cardiac micro-CT reconstruction algorithms using the left ventricular volume of small rodents as a performance measure

Energy Technology Data Exchange (ETDEWEB)

Maier, Joscha, E-mail: joscha.maier@dkfz.de [Medical Physics in Radiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg (Germany); Sawall, Stefan; Kachelrieß, Marc [Medical Physics in Radiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany and Institute of Medical Physics, University of Erlangen–Nürnberg, 91052 Erlangen (Germany)

2014-05-15

Purpose: Phase-correlated microcomputed tomography (micro-CT) imaging plays an important role in the assessment of mouse models of cardiovascular diseases and the determination of functional parameters as the left ventricular volume. As the current gold standard, the phase-correlated Feldkamp reconstruction (PCF), shows poor performance in case of low dose scans, more sophisticated reconstruction algorithms have been proposed to enable low-dose imaging. In this study, the authors focus on the McKinnon-Bates (MKB) algorithm, the low dose phase-correlated (LDPC) reconstruction, and the high-dimensional total variation minimization reconstruction (HDTV) and investigate their potential to accurately determine the left ventricular volume at different dose levels from 50 to 500 mGy. The results were verified in phantom studies of a five-dimensional (5D) mathematical mouse phantom. Methods: Micro-CT data of eight mice, each administered with an x-ray dose of 500 mGy, were acquired, retrospectively gated for cardiac and respiratory motion and reconstructed using PCF, MKB, LDPC, and HDTV. Dose levels down to 50 mGy were simulated by using only a fraction of the projections. Contrast-to-noise ratio (CNR) was evaluated as a measure of image quality. Left ventricular volume was determined using different segmentation algorithms (Otsu, level sets, region growing). Forward projections of the 5D mouse phantom were performed to simulate a micro-CT scan. The simulated data were processed the same way as the real mouse data sets. Results: Compared to the conventional PCF reconstruction, the MKB, LDPC, and HDTV algorithm yield images of increased quality in terms of CNR. While the MKB reconstruction only provides small improvements, a significant increase of the CNR is observed in LDPC and HDTV reconstructions. The phantom studies demonstrate that left ventricular volumes can be determined accurately at 500 mGy. For lower dose levels which were simulated for real mouse data sets, the

Assessment of dedicated low-dose cardiac micro-CT reconstruction algorithms using the left ventricular volume of small rodents as a performance measure

International Nuclear Information System (INIS)

Maier, Joscha; Sawall, Stefan; Kachelrieß, Marc

2014-01-01

Purpose: Phase-correlated microcomputed tomography (micro-CT) imaging plays an important role in the assessment of mouse models of cardiovascular diseases and the determination of functional parameters as the left ventricular volume. As the current gold standard, the phase-correlated Feldkamp reconstruction (PCF), shows poor performance in case of low dose scans, more sophisticated reconstruction algorithms have been proposed to enable low-dose imaging. In this study, the authors focus on the McKinnon-Bates (MKB) algorithm, the low dose phase-correlated (LDPC) reconstruction, and the high-dimensional total variation minimization reconstruction (HDTV) and investigate their potential to accurately determine the left ventricular volume at different dose levels from 50 to 500 mGy. The results were verified in phantom studies of a five-dimensional (5D) mathematical mouse phantom. Methods: Micro-CT data of eight mice, each administered with an x-ray dose of 500 mGy, were acquired, retrospectively gated for cardiac and respiratory motion and reconstructed using PCF, MKB, LDPC, and HDTV. Dose levels down to 50 mGy were simulated by using only a fraction of the projections. Contrast-to-noise ratio (CNR) was evaluated as a measure of image quality. Left ventricular volume was determined using different segmentation algorithms (Otsu, level sets, region growing). Forward projections of the 5D mouse phantom were performed to simulate a micro-CT scan. The simulated data were processed the same way as the real mouse data sets. Results: Compared to the conventional PCF reconstruction, the MKB, LDPC, and HDTV algorithm yield images of increased quality in terms of CNR. While the MKB reconstruction only provides small improvements, a significant increase of the CNR is observed in LDPC and HDTV reconstructions. The phantom studies demonstrate that left ventricular volumes can be determined accurately at 500 mGy. For lower dose levels which were simulated for real mouse data sets, the

Assessment of dedicated low-dose cardiac micro-CT reconstruction algorithms using the left ventricular volume of small rodents as a performance measure.

Science.gov (United States)

Maier, Joscha; Sawall, Stefan; Kachelrieß, Marc

2014-05-01

Phase-correlated microcomputed tomography (micro-CT) imaging plays an important role in the assessment of mouse models of cardiovascular diseases and the determination of functional parameters as the left ventricular volume. As the current gold standard, the phase-correlated Feldkamp reconstruction (PCF), shows poor performance in case of low dose scans, more sophisticated reconstruction algorithms have been proposed to enable low-dose imaging. In this study, the authors focus on the McKinnon-Bates (MKB) algorithm, the low dose phase-correlated (LDPC) reconstruction, and the high-dimensional total variation minimization reconstruction (HDTV) and investigate their potential to accurately determine the left ventricular volume at different dose levels from 50 to 500 mGy. The results were verified in phantom studies of a five-dimensional (5D) mathematical mouse phantom. Micro-CT data of eight mice, each administered with an x-ray dose of 500 mGy, were acquired, retrospectively gated for cardiac and respiratory motion and reconstructed using PCF, MKB, LDPC, and HDTV. Dose levels down to 50 mGy were simulated by using only a fraction of the projections. Contrast-to-noise ratio (CNR) was evaluated as a measure of image quality. Left ventricular volume was determined using different segmentation algorithms (Otsu, level sets, region growing). Forward projections of the 5D mouse phantom were performed to simulate a micro-CT scan. The simulated data were processed the same way as the real mouse data sets. Compared to the conventional PCF reconstruction, the MKB, LDPC, and HDTV algorithm yield images of increased quality in terms of CNR. While the MKB reconstruction only provides small improvements, a significant increase of the CNR is observed in LDPC and HDTV reconstructions. The phantom studies demonstrate that left ventricular volumes can be determined accurately at 500 mGy. For lower dose levels which were simulated for real mouse data sets, the HDTV algorithm shows the

Virtual non-contrast of liver from dual energy CT: a clinical application

International Nuclear Information System (INIS)

Qian Yu'e; Hu Hongjie; Zhang Qiaowei; Hu Peng; Shen Guohui

2011-01-01

Objective: To assess the virtual non-contrast liver CT from dual-energy CT for the clinical application. Methods: In total, 51 patients were included in the study, and all patients underwent multi-phase liver CT on a dual-source CT. The True non-contrast liver CT (TNCT) was performed in a single-energy acquisition mode, but the arterial and portovenous liver CT (VNCT) were performed in a dual- energy mode of 110 kV and 140 kV respectively. The virtual non-contrast CT images were derived from the arterial data using liver virtual non-contrast software. Between the true non-contrast CT and the virtual non- contrast CT, the image quality, mean CT HU values in the liver and muscle, signal to noise (SNR), the radiation dose of volume CT dose index (CTDIvol) and dose length product (DLP) in a single phase and total examination were compared with t test. Results: There was no significant difference in the detection of' liver lesions between TNCT and VNCT. The CT Hu values of muscle on both TNCT and VNCT images were almost equal. The CT HU values of liver on VNCT images were higher than that on TNCT images and the difference was significant [61.32±6.04 vs. (56.85±4.80) HU, t=-3.927, P<0.01]. There was also significant difference of SNR between TNCT (11.28±2.78) and VNCT (8.65±1.56) images (t=-5.590, P<0.01). The CTDIvol and DLP of single phase were (7.07±0.85) mGy and (155.11± 22.52) mGy · cm respectively in TNCT, and (7.05±0.87) mGy and (154.48±23.12) mGy · cm in VNCT. The total CTDIvol and DLP in VNCT were (14.35±1.66) mGy and (313.91±45.08) mGy · cm respectively, but in TNCT the total CTDIvol and DLP reached (21.43±2.46) mGy and (469.02± 66.22) mGy · cm. The difference of CTDIvol and DLP in single phase between TNCT and VNCT showed no significance, but the total CTDIvol and DLP were significantly different (t=16.168 and 13.132, P< 0.01). Conclusion: With the consequent reduction in radiation dose, the VNCT can replace TNCT as an imaging protocol in multi