نتایج جستجو برای: rock destruction

تعداد نتایج: 75050  

2010
MIN ZHAO JINHONG XIE

This paper examines the interplay of social and temporal distance on consumers’ responses to others’ recommendations. Drawing on research on psychological distance and the “fit” literature, the authors hypothesize that others’ recommendation is more persuasive when the construal levels associated with both social distance and temporal distance are congruent. Specifically, the authors first demo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم 1392

سلول های بنیادی جنینی انسانی قابلیت های شگرفی در حوزه ی پزشکی و سلول درمانی دارند. در این راستا، منفرد کردن سلول های بنیادی انسانی با هدف گسترش سریع این سلول ها و انجام دست ورزی های مختلف بر روی آن ها اجتناب ناپذیر است. اما در این فرایند مانعی وجود دارد، بدین معنا که آپوپتوز القا شده در اثر فعالیت مسیر سیگنالی rho/rock که در نتیجه ی منفرد شدن سلول های بنیادی انسانی فعال می شود، کشت و دست ورزی ا...

2012
Manish K. Rana Rebecca A. Worthylake

Background: Negative regulatory mechanisms of ROCK signaling are poorly understood. We have discovered a novel mechanism to attenuate ROCK signaling. Results: Coronin1B is a novel binding partner of ROCK2 that inhibits ROCK signaling to myosin. Conclusion: Coronin1B regulates ROCK by a novel signal attenuation mechanism. Significance: Coronin1B attenuation of ROCK signaling is associated with N...

2017
Gangbing Song Weijie Li Bo Wang Siu Chun Michael Ho

Rock bolts have been widely used as rock reinforcing members in underground coal mine roadways and tunnels. Failures of rock bolts occur as a result of overloading, corrosion, seismic burst and bad grouting, leading to catastrophic economic and personnel losses. Monitoring the health condition of the rock bolts plays an important role in ensuring the safe operation of underground mines. This wo...

2005
J. A. Hurowitz S. M. McLennan N. J. Tosca R. E. Arvidson J. R. Michalski D. W. Ming C. Schröder S. W. Squyres

[1] Experimental data for alteration of synthetic Martian basalts at pH = 0–1 indicate that chemical fractionations at low pH are vastly different from those observed during terrestrial weathering. Rock surface analyses from Gusev crater are well described by the relationships apparent from low-pH experimental alteration data. A model for rock surface alteration is developed, which indicates th...

Journal: :Prehospital and disaster medicine 2008
Richard D Zane Paul Biddinger Lyndsley Ide Sally Phillips Donna Hurd Louisa Buatti Hilary Eustace Matthew Amsden Darcy Carr Andrea Hassol

INTRODUCTION With limited available hospital beds in most urban areas, there are very few options when trying to relocate patients already within the hospital to make room for incoming patients from a mass-casualty incident (MCI) or epidemic (a patient surge). This study investigates the possibility and process for utilizing shuttered (closed or former) hospitals to accept medically stable, amb...

2003
WIEB BOSMA

where Ed= fl, bkEZ2,, k 2 1, and with some constraints on bk and sk. Usually we will assume that x is irrational, and thus that the expansion (1.1) is infinite. A special case of an SRCF is the regular continuedfraction, RCF, which is obtained by taking ck = 1 for every k in (1.1). The aim in introducing the OCF was to optimize two things simultaneously. In the first place one wishes the conver...

2013
V. RADOVIĆ Z. POPOVIĆ L. LAZAREVIĆ V. VUKADINOVIĆ

Z. Popović, L. Lazarević, University of Belgrade, Faculty of Civil Engineering, Belgrade, Serbia V. Radović, University of Montenegro, Faculty of Civil Engineering in Podgorica, Montenegro V. Vukadinović, Serbian Railways, Belgrade, Serbia G. Tepić, University of Novi Sad, Faculty of Technical Sciences, Novi Sad, Serbia Rail defects due to rolling contact fatigue (RCF) threaten the traffi c saf...

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