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Urbanski, Tomasz,Taczala, Maciej The Society of Naval Architects of Korea 2020 International Journal of Naval Architecture and Oc Vol.12 No.1
This paper presents the results of research on transverse shrinkage of welded butt joints conducted according to the principles of experimental design and under production conditions for two main welding techniques used in shipbuilding (FCAW and SAW). Analysis took into account the technological and structural parameters influencing the assembly suitability of a large steel structure. The presented method of evaluation makes it possible to apply approximation formulae to predict transverse shrinkage in real sections of a ship hull. The determined predictive formulae were verified to actual transverse shrinkage measurements during prefabrication of hull sections at a shipyard as well as the equations referring to the analyzed form of deformation available in the literature.
Urbanski, Tomasz,Taczala, Maciej The Society of Naval Architects of Korea 2020 International Journal of Naval Architecture and Oc Vol.12 No.-
This paper presents the results of research on transverse shrinkage of welded butt joints conducted according to the principles of experimental design and under production conditions for two main welding techniques used in shipbuilding (FCAW and SAW). Analysis took into account the technological and structural parameters influencing the assembly suitability of a large steel structure. The presented method of evaluation makes it possible to apply approximation formulae to predict transverse shrinkage in real sections of a ship hull. The determined predictive formulae were verified to actual transverse shrinkage measurements during prefabrication of hull sections at a shipyard as well as the equations referring to the analyzed form of deformation available in the literature.
Changes in Properties of Different Soils Exposed to Paddy Management
Angelika Koelbl,Klaus Kaiser,Livia Urbanski,Peter Schad,Pauline Geier,Vanessa Vogelsang,Reinhold Jahn,Eva Lehndorff,Wulf Amelung,Sri Rahayu Utami,Zhi-Hong Cao,Karsten Kalbitz,Michael Schloter,Andrea B 한국토양비료학회 2014 한국토양비료학회 학술발표회 초록집 Vol.2014 No.6
Truong, Thuy-Kieu,Park, Ji Hyun,Rahman, MD Asiqur,Urbanski, Martin,Kim, Eun Sung,Scalia, Giusy,Suh, Dongseok ELSEVIER 2019 CURRENT APPLIED PHYSICS Vol.19 No.2
<P><B>Abstract</B></P> <P>The use of a highly aligned carbon nanotube (CNT) sheet as a multifunctional constituent for liquid crystal (LC) displays and electro-optic LC applications is assessed. The CNT sheet can perform a dual function: one is an alignment layer for LCs, replacing the commonly used rubbed polyimide film, and the other is a transparent conductive layer, taking the place of indium tin oxide. The hydrophobic treatment improved the adhesion quality between aligned CNT bundles and the glass substrate, which helps to preserve the inherently aligned nanogroove morphology of transparent CNT sheets. The test LC display cells, comprising 4-cyano-4′-pentylbiphenyl molecules sandwiched between CNT-sheet-on-glass substrates, demonstrate the operation characteristics comparable to that of the conventional cell under temperature variation and ac electric field of 1 kHz. The results offer a possibility of deploying multifunctional CNT-sheet alignment layers in LC-based devices, especially in the future flexible display applications.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Dry-spun aligned carbon nanotube sheets as an electrode in the liquid crystal cell. </LI> <LI> CNT sheet plays a dual role: an alignment layer and a transparent conductor. </LI> <LI> Inherently-formed nanogrooves in the dry-spun CNT sheet good for LC alignment. </LI> <LI> A systematic assessment of CNT-sheet-electrode LC cell in a dynamic mode. </LI> <LI> Future possible application of dry-spun CNT-sheet electrode for flexible display. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Thuy Kieu Truong,박지현,MD Asiqur Rahman,Martin Urbanski,김은성,Giusy Scalia,서동석 한국물리학회 2019 Current Applied Physics Vol.19 No.2
The use of a highly aligned carbon nanotube (CNT) sheet as a multifunctional constituent for liquid crystal (LC) displays and electro-optic LC applications is assessed. The CNT sheet can perform a dual function: one is an alignment layer for LCs, replacing the commonly used rubbed polyimide film, and the other is a transparent conductive layer, taking the place of indium tin oxide. The hydrophobic treatment improved the adhesion quality between aligned CNT bundles and the glass substrate, which helps to preserve the inherently aligned nanogroove morphology of transparent CNT sheets. The test LC display cells, comprising 4-cyano-4′-pentylbiphenyl molecules sandwiched between CNT-sheet-on-glass substrates, demonstrate the operation characteristics comparable to that of the conventional cell under temperature variation and ac electric field of 1 kHz. The results offer a possibility of deploying multifunctional CNT-sheet alignment layers in LC-based devices, especially in the future flexible display applications.
Attenuated reovirus displays oncolysis with reduced host toxicity
Kim, M,Garant, K A,zur Nieden, N I,Alain, T,Loken, S D,Urbanski, S J,Forsyth, P A,Rancourt, D E,Lee, P W K,Johnston, R N Nature Publishing Group 2011 The British journal of cancer Vol.104 No.2
<P><B>Background:</B></P><P>Although the naturally occurring reovirus causes only mild symptoms in humans, it shows considerable potential as an oncolytic agent because of its innate ability to target cancer cells. In immunocompromised hosts, however, wild-type reovirus can target healthy tissues, including heart, liver, pancreas and neural structures.</P><P><B>Methods:</B></P><P>We characterized an attenuated form of reovirus (AV) derived from a persistently infected cell line through sequence analysis, as well as western blot and <I>in vitro</I> transcription and translation techniques. To examine its pathogenesis and oncolytic potential, AV reovirus was tested on healthy embryonic stem cells, various non-transformed and transformed cell lines, and in severe combined immunodeficiency (SCID) mice with tumour xenografts.</P><P><B>Results:</B></P><P>Sequence analysis of AV reovirus revealed a premature STOP codon in its sigma 1 attachment protein. Western blot and <I>in vitro</I> translation confirmed the presence of a truncated <I>σ</I>1. In comparison to wild-type reovirus, AV reovirus did not kill healthy stem cells or induce black tail formation in SCID mice. However, it did retain its ability to target cancer cells and reduce tumour size.</P><P><B>Conclusion:</B></P><P>Despite containing a truncated attachment protein, AV reovirus still preferentially targets cancer cells, and compared with wild-type reovirus it shows reduced toxicity when administered to immunodeficient hosts, suggesting the potential use of AV reovirus in combination cancer therapy.</P>