نتایج جستجو برای: discontinuous rock

تعداد نتایج: 59414  

2008
R. D. Dwivedi R. K. Goel A. Swarup V. V. R. Prasad R. K. Bajpai P. K. Narayan V. Arumugam

Permeability at high temperature is a very important parameter to be considered for designing underground high level nuclear waste repository (HLW) in rock mass. The surrounding rock mass is exposed to heat radiated by HLW when it is buried underground and development or extension of micro-cracks takes place in the host rock due to rise in temperature. Keeping this in view, the permeability stu...

Journal: :International journal of oncology 2013
Jing Wang Xiaohong Liu Yisheng Zhong

The Rho/ROCK pathway plays important roles in the modulation of the cytoskeletal integrity of cells, the synthesis of extracellular matrix components in the aqueous humor outflow tissue and the permeability of Schlemm's canal endothelial cells. The activation of the Rho/ROCK pathway results in trabecular meshwork (TM) contraction, and the inhibition of this pathway would provoke relaxation of T...

Journal: :American journal of physiology. Heart and circulatory physiology 2007
Olivier C Manintveld Pieter D Verdouw Dirk J Duncker

SINCE MYOCARDIAL INFARCT SIZE is the major contributor to the development of heart failure, interventions aiming to limit irreversible damage of ischemic myocardium are essential. In the clinical setting, reduction of myocardial oxygen demand and restoration of blood flow to the ischemic myocardium remain the primary targets to accomplish this goal, despite experimental evidence that reperfusio...

Journal: :iranian journal of microbiology 0
jayant biswas national cave research and protection organization, central laboratory, raipur, c.g., india. kavita sharma national cave research and protection organization, central laboratory, raipur, c.g., india and arts and commerce girls college, raipur, c.g, india. k k harris national cave research and protection organization, central laboratory, raipur, c.g., india and department of zoology, govt' db girl's pg college, raipur, c.g., india. yogita rajput national cave research and protection organization, central laboratory, raipur, c.g., india.

background and objectives: in the last few decades, losses of our cultural heritage due to biodeteriorationare beinghighly recognized. from museum objects to rock monuments, the microbial biodeterioration agents are found to be the most destructive. possibilities for proper preservative measure(s) are always more when it is only a monument, statue, museum article, or pre-historic art in any sma...

2008
Mahendra Singh Bhawani Singh

Laboratory tests were performed on 54 large size specimens of jointed rock mass under uniaxial loading conditions. Based on this experimental study, a methodology has been suggested to estimate strength and tangent modulus of rock masses through a weakness coefficient. The methodology involves mapping of joints in the field and laboratory testing of intact rock specimens to arrive at rock mass ...

2004
John Rusnak

Point load testing is used to determine rock strength indexes in geotechnical practice. The point load test apparatus and procedure enables economical testing of core or lump rock samples in either a field or laboratory setting. In order to estimate uniaxial compressive strength, index-to-strength conversion factors are used. These factors have been proposed by various researchers and are depen...

2014
WASSIM M. HADDAD W. M. HADDAD

In this paper, we develop stability, dissipativity, and optimality notions for dynamical systems with discontinuous vector fields. Specifically, we consider dynamical systems with Lebesgue measurable and locally essentially bounded vector fields characterized by differential inclusions involving Filippov set-valued maps specifying a set of directions for the system velocity and admitting Filipp...

Journal: :iranian journal of radiation research 0
s. manjunatha department of physics, pes institute technology and management, shimoga, 577204, india a. jayasheelan department of physics, gfgc, sira, karnataka, india p. venkataramanaiah pg studies in physics, manasagongotri, mysore, india

background: the concentrations of radionuclides like 226ra, 232th and 40k and the dose rate are measured in igneous and metamorphic rock formations in and around chickmagalur. a total of 236 samples from 13 different locations around study area were analyzed. materials and methods: the activity concentrations of the three radioactive elements were determined for mean period of 25000 s using hpg...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید