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Wyszukujesz frazę "penetrating" wg kryterium: Temat


Tytuł:
Penetrating trauma of the face and facial skeleton – a case series of six patients
Autorzy:
Neskoromna-Jędrzejczak, Aneta
Bogusiak, Katarzyna
Przygoński, Aleksander
Antoszewski, Bogusław
Powiązania:
https://bibliotekanauki.pl/articles/1393469.pdf
Data publikacji:
2017
Wydawca:
Index Copernicus International
Tematy:
penetrating trauma
maxillofacial trauma
Opis:
Penetrating traumas of the facial skeleton are relatively rare; however, they can be dangerous and even life-threatening. The epidemiology of facial skeleton trauma is diverse and depends on the affected region, age, and the kind of foreign body that caused the injury. In Poland, the most common cause of penetrating traumas are accidents and assaults, and only rarely accidents are related to improper use of firecrackers or fireworks. The aim of this study is to present a literature review and our own experience with penetrating traumas of the face and the facial part of the cranium. Six cases with severe wounds and fractures of the facial skeleton were treated between the years 2000 and 2012 in our department. The applied treatment methods depended mainly on the general condition of the patients. In all cases, we achieved acceptable functional and aesthetic outcomes.
Źródło:
Polish Journal of Surgery; 2017, 89, 1; 50-60
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Search for Chelyabinsk Meteorite Fragments in Chebarkul Lake Bottom (GPR and Magnetic Data)
Autorzy:
Buzin, V.
Edemsky, D.
Gudoshnikov, S.
Kopeikin, V.
Morozov, P.
Popov, A.
Prokopovich, I.
Skomarovsky, V.
Melnik, N.
Berkut, A.
Merkulov, S.
Vorovsky, P.
Bogolyubov, L.
Powiązania:
https://bibliotekanauki.pl/articles/307795.pdf
Data publikacji:
2017
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
Chelyabinsk meteorite
Ground Penetrating Radar
Opis:
The paper summarizes experimental efforts of the Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN) undertaken in search of the biggest part of Chelyabinsk meteorite in the bottom of lake Chebarkul, South Ural, Russia, and to estimate the ecological effects of its subsequent excavation.
Źródło:
Journal of Telecommunications and Information Technology; 2017, 3; 69-78
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thoracic trauma – principals of surgical management
Autorzy:
Lasek, Jerzy
Jadczuk, Eugeniusz
Powiązania:
https://bibliotekanauki.pl/articles/895749.pdf
Data publikacji:
2020-05-29
Wydawca:
Gdański Uniwersytet Medyczny
Tematy:
penetrating
blunt
Thoracic
trauma
surgery
Opis:
Thoracic trauma continues to be a significant surgical problem. It is estimated that 25% of trauma-related deaths are due to penetrating and blunt thoracic injuries. Principals of surgical management of specific thoracic injuries (tension pneumothorax, open pneumothorax, massive haemothorax, flail chest, cardiac injuries, ruptures of the aorta, tracheobronchial tree lesions, oesophageal and diaphragmatic injuries) have been reviewed. Awareness of the potential for deterioration and early correct identification of life threatening thoracic injuries are the keys to successful management. Good outcomes in the management of thoracic injuries depend on rapid transport of the injured patient to the hospital, effective diagnostic and therapeutic measures and an aggressive involvement of an experienced surgical team, optimally in the operating theatre. Successful management of these injuries depends on effective prioritisation of procedures based on the ABC principals combined with a rapid diagnosis of severe injuries and aggressive surgical treatment of life-threatening lesions following penetrating and blunt trauma. Rapid decompression of tension pneumothorax and emergency thoracotomy, especially in patients following penetrating thoracic trauma may result in good outcomes. Effective management of severe thoracic injuries requires an integrated approach and cooperation of a multidisciplinary trauma team, including experienced thoracic and cardiac surgeons.
Źródło:
European Journal of Translational and Clinical Medicine; 2020, 3, 1; 66-73
2657-3148
2657-3156
Pojawia się w:
European Journal of Translational and Clinical Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Penetrating trauma to the facial skeleton by pickaxe – case report
Autorzy:
Neskoromna-Jędrzejczak, Aneta
Bogusiak, Katarzyna
Przygoński, Aleksander
Timler, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/1394056.pdf
Data publikacji:
2016
Wydawca:
Index Copernicus International
Tematy:
penetrating trauma
maxillofacial trauma
foreign body
Opis:
Number of deaths related with injuries suffered as a result of experienced traumas is increasing. Penetrating traumas of the facial skeleton occur relatively rarely and much more often concern rather children than adults. Epidemiology relating this kind of trauma differs depending on the region of the world. In Poland, gunshot injuries as well as traumas caused by explosions of firecrackers or fireworks amount only to a slight percentage among all facial skeleton traumas, and the most common reason for penetrating traumas lies in accidents or assault with the use of sharp, narrow and long objects that easily enter bones of the facial skeleton. The present study reported the case of 50-year-old man who suffered from trauma of the facial skeleton, which resulted from foreign body (pickaxe) penetration into the subtemporal area, zygomatic arch and the right orbital cavity. The surgical treatment method and final outcome was presented and discussed.
Źródło:
Polish Journal of Surgery; 2016, 88, 1; 48-53
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Review on Impulse RADAR
Autorzy:
Kumar, Saket
Kumar, Amit
Singh, Vikrant
Singh, Abhishek Kumar
Powiązania:
https://bibliotekanauki.pl/articles/2055207.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
radar
impulse radar
ground penetrating radar
GPR
Opis:
RADAR plays a vital role in military applications since its origin in the 2nd world war. Recently it has been used in surface inception, health monitoring, infrastructure health monitoring, etc. In these applications, Ultra-wideband RADAR systems are more popular than traditional RADAR systems. Impulse RADAR is a special kind of ultra-wideband RADAR, which is mostly used for surface penetration, through-wall imaging, antimissile detection, anti-stealth technology, etc. because of its high resolution and low center frequency. Out of all these applications, impulse RADAR has been used intensively as a ground-penetrating RADAR for the detection of land mines, underlying pipelines, buried objects, etc. This report has attempted to provide the steps for designing the impulse ground penetrating RADAR (GPR) as well as provides the value of crucial parameters required in the design process of commercial GPR systems.
Źródło:
International Journal of Electronics and Telecommunications; 2021, 67, 4; 579--587
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Analysis of Terminal-Ballistic Behaviour of a Pistol Bullet Penetrating a Block of Substitute Biological Material
Autorzy:
Hub, J.
Komenda, J.
Racek, F.
Powiązania:
https://bibliotekanauki.pl/articles/403801.pdf
Data publikacji:
2013
Wydawca:
Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:
terminal ballistics
wound ballistics
penetrating
pistol bullet
Opis:
This article presents an experimental and numerical approach to estimate the ballistic limits of the pistol hollow point bullet of the Action 5 cartridge penetrating a block of substitute biological material using a wide range of bullet velocities. The bullet has an expansion ability enabling it to increase its wound potential in the case of it reaching the specific impact velocity limit. The expansion process of the bullet and the process of the evolution of the temporary cavity in the substitute material is investigated. The influencing factors of the penetration process are also discussed. The aim of the Finite Element Method (FEM) simulation of the penetration process based on experiments are also to estimate the minimal thickness of a substitute material that achieves the maximum expansion effect when impacting an aircrafts fuselage structure by firing on-board. Introduced are three levels of expansion limits defined as the bullet's velocity. The first one is the low expansion limit, when the expansion dimensions of the front part of the bullet reaches the dimensions of the bullet's calibre, followed by the upper expansion limit with the maximum expansion of the bullet, and the destructive expansion limit, when the expanded front part of the bullet is destroyed.
Źródło:
Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa; 2013, 4, 1 (11); 19-35
2081-5891
Pojawia się w:
Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improving the GPR Detectability Using a Novel Loop Bowtie Antenna
Autorzy:
Ajith, K. K.
Bhattacharya, A.
Powiązania:
https://bibliotekanauki.pl/articles/308503.pdf
Data publikacji:
2017
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
antenna
Ground Penetrating Radar
imaging
UHF
UWB
Opis:
The Ground Penetrating Radar (GPR) technique finds immense applications in civil engineering today, as the most suitable approach for non-destructive testing of pavements, highways, concrete structures, and more. The major challenge in carrying out a GPR evaluation is that the properties of the probed medium are usually unknown. The permittivity and conductivity of the medium may vary from those of air to water. The electromagnetic waves also have a frequency dependent attenuation. The ability of GPR to detect signals reflected and scattered by the targets largely depends upon the antenna performance. This paper studies a novel 11:1 wideband loop bowtie antenna with very good radiation properties in the entire operating bandwidth. Synthetic and experimental results are presented for the return loss and gain of the antenna. Furthermore, experimental results are presented for the radiation patterns in the E- and H-plane. We also used the antenna to measure B-scans over two different pipes, a bamboo, and a reinforced concrete structure. All results obtained with the proposed antenna have been compared with results obtained by using a RC loaded antenna. It has been found that the loop bowtie antenna has excellent detection capability and produces less clutter. The loop loading technique can be applied to existing antennas for improved GPR imaging. This will improve the detectability of GPR by improving the target return signal.
Źródło:
Journal of Telecommunications and Information Technology; 2017, 3; 9-16
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Advanced Inversion Techniques for Ground Penetrating Radar
Autorzy:
Fedeli, A.
Pastorino, M.
Randazzo, A.
Powiązania:
https://bibliotekanauki.pl/articles/308896.pdf
Data publikacji:
2017
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
electromagnetic scattering
Ground Penetrating Radar
inverse problems
Opis:
Ground Penetrating Radar (GPR) systems arenowadays standard inspection tools in several application areas, such as subsurface prospecting, civil engineering and cultural heritage monitoring. Usually, the raw output of GPR isprovided as a B-scan, which has to be further processed inorder to extract the needed information about the inspectedscene. In this framework, inversescattering-based approachesare gaining an ever-increasing interest, thanks to their capabilities of directly providing images of the physical and dielectricproperties of the investigated areas. In this paper, some advances in the development of such inversion techniques in theGPR field are revised and discussed.
Źródło:
Journal of Telecommunications and Information Technology; 2017, 3; 37-42
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A ground-penetrating radar study of the Vaidasoo bog (Estonia) : no crater structure exists
Autorzy:
Mustasaar, M.
Plado, J.
Jõeleht, A.
Powiązania:
https://bibliotekanauki.pl/articles/2059724.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Vaidasoo structure
ground penetrating radar
Estonia
peat
Opis:
Ground-penetrating radar (GPR) was used to analyse the circular Vaidasoo bog in northern Estonia. This was done to better understand its structure and origin, and to test the suggestion that Vaidasoo represents a meteorite impact structure. The combination of GPR with LIDAR data suggests that Vaidasoo bog is developed in a NW–SE oriented glacial tunnel valley where post-glacial hydrology is affected by glaciofluvial deposits. As no clear impact-modified bedrock features were identified and the circular bog does not mirror the topography of the bedrock, we conclude that the Vaidasoo structure does not represent a meteorite impact structure.
Źródło:
Geological Quarterly; 2013, 57, 2; 357--360
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analytical Investigation on a New Approach for Achieving Deep Penetration in a Lossy Medium: The Lossy Prism
Autorzy:
Frezza, F.
Simeoni, P.
Tedeschi, N.
Powiązania:
https://bibliotekanauki.pl/articles/308620.pdf
Data publikacji:
2017
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
deep-penetration
Ground Penetrating Radar
leakywave antennas
Opis:
Recent studies highlighted deep-penetration prop-erties of inhomogeneous waves at the interface between a loss-less and a lossy medium. Such waves can be generated bymeans of radiating structures known as Leaky-Wave Anten-nas (LWAs). Here, a different approach is proposed basedon the use of a lossy prism capable to generate an inhomo-geneous wave when illuminated by a homogeneous wave. Thelossy prism is conceived and designed thinking of Ground-Penetrating Radar (GPR). The results achieved by the lossyprism will be compared with those obtained by means of a pre-viously designed LWA that was created with the identical ob-jective. The approach of this paper is purely theoretical, andit aims at providing basic ideas and preliminary results usefulfor an innovative LWA design.
Źródło:
Journal of Telecommunications and Information Technology; 2017, 3; 17-24
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multiple-ring Circular Arrayfor Ground-Penetrating Radar Applications : Basic Ideas and Preliminary Results
Autorzy:
Vescovo, R.
Pajewski, L.
Powiązania:
https://bibliotekanauki.pl/articles/308705.pdf
Data publikacji:
2017
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
antenna array
ultra-wideband
Ground Penetrating Radar
Opis:
In this paper, the possibility of using a multiple-ring circular array as an antenna array for Ground-Pene-trating Radar systems is investigated. The theory behind theproposed idea is presented. The preliminary numerical re-sults that are obtained suggest that the proposed congura-tion is promising. It allows achieving a wide frequency bandand low dynamic range ratio of excitations, thus simplifyingthe feeding network. Further interesting requirements maybe satised by exploiting a combination of deterministic andstochastic synthesis techniques to design the array.
Źródło:
Journal of Telecommunications and Information Technology; 2017, 3; 25-29
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of electromagnetic field modelling in GPR investigations of an historic tenement
Autorzy:
Czaja, K.
Powiązania:
https://bibliotekanauki.pl/articles/184168.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
ground penetrating radar
electromagnetic field modelling
historical buildings
Opis:
The article presents the results of Ground Penetrating Radar (GPR) measurements carried out in a historic tenement in Krakow. The aim of this study was to check if there is a basement under the apartment's floor. In order to verify the results, modelling attempt of electromagnetic field evolution in the medium was undertaken. The numerical simulation of GPR impulse passage in the medium uses the finite-difference time-domain method (FDTD). Synthetic radargrams obtained as a result of the modelling were compared with measurements processed radargrams.
Źródło:
Geology, Geophysics and Environment; 2012, 38, 4; 395-410
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lidar and ground penetrating radar data in determining road surface conditions and geological characteristics of unstable soils
Autorzy:
Plichta, A.
Piasecki, A.
Powiązania:
https://bibliotekanauki.pl/articles/297854.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
road investment
laser scanning
geophysics
ground penetrating radar
Opis:
Within the road investments the very important element determining repeatedly the success of the whole project is an adequate information about the characteristics of the site, its load capacity, stability and the possible impact of geological characteristics that may interfere with subsequent service life, not only for the road surface itself, but also for the surrounded objects. The surface is incessantly influenced by geological characteristics, determining its durability and functional usefulness. The main aim of this paper is to answer the question how by the usage of modern technics for obtaining data it is possible to find a link confirming the characteristics of land on which the specific road projects are supposed to be carried out, or where these projects have already been accomplished, concerning their requirements with high accuracy of location and also the stability and durability of the ground. This article makes also an attempt to answer not only the question how to identify the construction of road surface, but also how to locate underground cavities, created or influenced by the flow of water, or due to geological structures characterized as an inconsistent ground. The results were supported with geophysical researches using GPR method, and also data collected with laser scanners.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2017, 20(2); 111-129
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of a possible uptake mechanism of selective antibacterial peptides
Autorzy:
Polanco, Carlos
Samaniego, José
Castañón-González, Jorge
Buhse, Thomas
Sordo, Marili
Powiązania:
https://bibliotekanauki.pl/articles/1039457.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
Polarity index method
cell penetrating peptides
selective antibacterial peptides
Opis:
Selective antibacterial peptides containing less than 30 amino acid residues, cationic, with amphipathic properties, have been the subject of several studies due to their active participation and beneficial effects in strengthening the immune system of all living organisms. This manuscript reports the results of a comparison between the group of selective antibacterial peptides and another group called "cell penetrating peptides". An important number of the selective antibacterial peptides are cell penetrating peptides, suggesting that their toxicity is related to their uptake mechanism. The verification of this observation also includes the adaptation of a method previously published, called Polarity index, which reproduces and confirms the action of this new set of peptides. The efficiency of this method was verified based on four different databases, yielding a high score. The verification was based exclusively on the peptides already reported in the databases which have been experimentally verified.
Źródło:
Acta Biochimica Polonica; 2013, 60, 4; 629-633
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variability of temperature and thickness of permafrost active layer at coastal sites of Svalbard
Autorzy:
Budzik, Tomasz
Dolnicki, Piotr
Grabiec, Mariusz
Puczko, Dariusz
Gawor, Łukasz
Klementowski, Jan
Powiązania:
https://bibliotekanauki.pl/articles/2051381.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
Nordaustlandet
active layer
ground penetrating radar
permafrost
Źródło:
Polish Polar Research; 2013, 4; 353-374
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł

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