نتایج جستجو برای: evolution contraction system

تعداد نتایج: 2556194  

2001
Pavel Borodin Reinhard Klein

Due to the rapid evolution of 3D acquisition and modeling methods highly complex and detailed models became ubiquitous. In order to be able to cope with the complexity, concentrated efforts were dedicated to the development of new mesh decimation methods in the recent years. In works of Garland and Heckbert [Garland and Heckbert 1997] and Popović and Hoppe [Popović and Hoppe 1997], the traditio...

Journal: :Development 1993
C Cognard B Constantin M Rivet-Bastide N Imbert C Besse G Raymond

Primary cultures from enzymatically dissociated satellite cells of newborn rat skeletal muscles enabled developmental in vitro studies of mechanical and electrical properties during the first steps of myogenesis. The present work focused on the appearance, evolution and roles of two types of calcium currents (ICa,T and ICa,L) and of depolarization-induced contractile activity during the early s...

Journal: :Monthly Notices of the Royal Astronomical Society 2021

We carry out a systematic study of the response companion stars in massive binaries after being impacted by supernova ejecta. A total 720 1D stellar evolution calculations are performed to follow inflation and contraction star energy injection how it depends on various parameters. find that maximum luminosity achieved during inflated phase is only dependent mass we derive an analytic formula de...

Hasanen Abuel-Magd Hammad Rashwan Ahmed Rashwan,

In this paper, we present a new concept of random contraction and prove a coupled random fixed point theorem under this condition which generalizes stochastic Banach contraction principle. Finally, we apply our contraction to obtain a solution of random nonlinear integral equations and we present a numerical example.

2017
Satoshi Nishida Masaki Ishii Yayoi Nishiyama Shigeru Abe Yasuo Ono Kazuhisa Sekimizu

Lactic acid bacteria (LAB) have high immune system-stimulating activity and are considered beneficial for human health as probiotics in the gut. The innate immune system is highly conserved between mammals and insects. Microbe-associated molecular patterns (e.g., peptidoglycan and β-glucan) induce cytokine maturation, which, in silkworm larvae, leads to muscle contraction. The purpose of this s...

ژورنال: علوم آب و خاک 2019

Landscapes are considered as a series of different land units with a size, shape and location arrangement that are permanently under the influence of natural events and human activities. Understanding the dynamics and heterogeneity of landscapes and environmental changes is of great importance. In order to quantitatively analyze and interpret the factors affecting the changes in the environment...

Journal: :The Journal of General Physiology 1967
Harvey M. Levy Elizabeth M. Ryan

The various contractile and control sites of natural actomyosin gel were studied by comparing the kinetics of ATP hydrolysis with those of gel contraction, measured as an increase in turbidity. Contraction of actomyosin gel seems to require the cooperative reaction of ATP (with Mg) at two different sites. One of these sites catalyzes the hydrolysis of ATP and most probably contributes the drivi...

Journal: :Current Biology 2016
Daniel M. Bear Jean-Marc Lassance Hopi E. Hoekstra Sandeep Robert Datta

Evolution sculpts the olfactory nervous system in response to the unique sensory challenges facing each species. In vertebrates, dramatic and diverse adaptations to the chemical environment are possible because of the hierarchical structure of the olfactory receptor (OR) gene superfamily: expansion or contraction of OR subfamilies accompanies major changes in habitat and lifestyle; independent ...

Journal: :iranian biomedical journal 0
حمید نجفی پور hamid najafipour علی سیاه پشت خاچکی ali siahposht khachaki محمد خاکساری mohammad khaksari بید الله شاهوزهی beydolah shahouzehi سیاوش جوکار siyavash joukar حمیدرضا پورصالحی hamid reza poursalehi

background: accidents are the second reason for mortality and morbidity in iran. among them, brain injuries are the most important damage. clarification of the effects of brain injuries on different body systems will help physicians to prioritize their treatment strategies. in this study, the effect of pure brain trauma on the cardiovascular system and lungs 24 hours post trauma was assessed. m...

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