نتایج جستجو برای: damage zone

تعداد نتایج: 334120  

2018
Toni Jernfors Jenni Kesäniemi Anton Lavrinienko Tapio Mappes Gennadi Milinevsky Anders P. Møller Timothy A. Mousseau Eugene Tukalenko Phillip C. Watts

Citation: Jernfors T, Kesäniemi J, Lavrinienko A, Mappes T, Milinevsky G, Møller AP, Mousseau TA, Tukalenko E and Watts PC (2018) Transcriptional Upregulation of DNA Damage Response Genes in Bank Voles (Myodes glareolus) Inhabiting the Chernobyl Exclusion Zone. Front. Environ. Sci. 5:95. doi: 10.3389/fenvs.2017.00095 Transcriptional Upregulation of DNA Damage Response Genes in Bank Voles (Myode...

Journal: :Lasers in surgery and medicine 1988
R C Nuss R L Fabian R Sarkar C A Puliafito

The bone ablation characteristics of five infrared lasers, including three pulsed lasers (Nd:YAG, lambda = 1,064 micron; Hol:YSGG, lambda = 2.10 micron; and Erb:YAG, lambda = 2.94 micron) and two continuous-wave lasers (Nd:YAG, lambda = 1.064 micron; and CO2, lambda = 10.6 micron), were studied. All laser ablations were performed in vitro, using moist, freshly dissected calvarium of guinea pig ...

2006
Yong-Gang Li Po Chen Elizabeth S. Cochran John E. Vidale

Repeated earthquakes and explosions recorded at the San Andreas fault (SAF) near Parkfield before and after the 2004 M6 Parkfield earthquake show large seismic velocity variations within an approximately 200m-wide zone along the fault to depths of approximately 6 km. The seismic arrays were co-sited in the two experiments and located in the middle of a high-slip part of the surface rupture. Wav...

2012
Yin Guo Ya Xing Wang Liang Xu Jost B. Jonas

PURPOSE To assess longitudinal changes in parapapillary atrophy in the adult population of Greater Beijing. METHODS The population-based Beijing Eye Study 2006 included 3251 subjects who had participated in the Beijing Eye Study 2001 and returned for re-examination. The mean age was 60.4 ± 10.1 years. Using optic disc photographs, we measured parapapillary atrophy which was divided into alpha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم 1392

سازند پابده در برش دره شهر شامل 260متر شیل، شیل آهکی، مارن و آهک می باشد. مطالعات انجام شده بر روی فرامینیفرهای پلانکتون منجر به شناسایی و ارائه تعداد 12 بیوزون شده است. این بیوزون ها عبارتند از: بیوزون شماره یک: parasubbotina pseudobulloides partial-range zone ، بیوزون شماره دو: subbotina triloculinoides partial-range zone، بیوزون شماره سه: morozovella angulata partial-range zone ، بیوزون شمار...

2006
D. Bonamy S. Prades C. L. Rountree L. Ponson D. Dalmas E. Bouchaud K. Ravi-Chandar C. Guillot

We report here atomic force microscopy experiments designed to uncover the nature of failure mechanisms occuring within the process zone at the tip of a crack propagating into a silica glass specimen under stress corrosion. The crack propagates through the growth and coalescence of nanoscale damage spots. This cavitation process is shown to be the key mechanism responsible for damage spreading ...

2016
Stephan Huusmann Mathias Wolters Mario W. Kramer Thorsten Bach Heinrich-Otto Teichmann Andreas Eing Sebastian Bardosi Thomas R. W. Herrmann

The understanding of tissue damage by laser radiation is very important for the safety in the application of surgical lasers. The objective of this study is to evaluate cutting, vaporization and coagulation properties of the 2 µm Tm:YAG laser (LISA Laser Products OHG, GER) in comparison to the 2.1 µm Ho:YAG laser (Coherent Medical Group, USA) at different laser power settings in an in vitro mod...

2014
Youming Tang Libo Cao Steven Kan

OBJECTIVES To examine the damage location distribution of five main body region injuries of maximum abbreviated injury score (MAIS) 3-6 injured occupants for nearside struck vehicle in front-to-side impact crashes. DESIGN AND SETTING MAIS 3-6 injured occupants information was extracted from the US-National Automotive Sampling System/Crashworthiness Data System in the year 2007; it included th...

Journal: :International Journal of Pressure Vessels and Piping 1989

Journal: :Periodica Polytechnica Civil Engineering 2020

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