نتایج جستجو برای: reservoir induced seismicity ris

تعداد نتایج: 1024047  

2007
A. C. Rust N. J. Balmforth S. Mandre

Oscillations generated by flow of magmatic or hyrothermal fluids through tabular channels in elastic rocks are a possible source of low-frequency seismicity. We assess the conditions required to generate oscillations of ∼1Hz via hydrodynamic flow instabilities (roll waves), flow-destabilized standing waves set up on the elastic channel walls (wall modes), and unstable normal modes ringing in an...

Journal: :Cases Journal 2008
Saptarshi Biswas Faruq Badiuddin

: Radiation therapy (XRT) is an important modality for treatment of breast cancer. Its use has occasionally resulted in the development of secondary malignancies.We describe this interesting case of a 46-year-old woman who developed malignant fibrous histiocytoma in the contralateral breast 6 years after a lumpectomy followed by radiation therapy for infiltrating ductal carcinoma. The role of X...

Journal: :Bulletin of the Seismological Society of America 2004

2016
Ebubekir Bakan Harun Polat Yesim Ozarda Nurinnisa Ozturk Nurcan Kilic Baygutalp Fatma Zuhal Umudum Nuri Bakan

INTRODUCTION The aim of this study was to define the reference intervals (RIs) in a Turkish population living in Northeast Turkey (Erzurum) for 34 analytes using direct and indirect methods. In the present study, the regional RIs obtained were compared with other RI studies, primarily the nationwide study performed in Turkey. MATERIALS AND METHODS For the direct method, 435 blood samples were...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2004
Ashesh B Jani Michael J Blend Russell Hamilton Charles Brendler Charles Pelizzari Lani Krauz Srinivasan Vijayakumar Bipin Sapra Azhar Awan Ralph R Weichselbaum

UNLABELLED The aim of this study was to evaluate the role of radioimmunoscintigraphy (RIS) directed against prostate-specific membrane antigen (PSMA) in influencing postradical retropubic prostatectomy (RRP) radiotherapy (RT) decision making. METHODS The records of consecutive patients who underwent RRP, who were referred for consideration of RT, and for whom an RIS scan was obtained were rev...

2011
B. Narayana Divya N. Shetty

A simple and sensitive method for the spectrophotometric determination of risperidone (RIS) is proposed. The method is based on the oxidation of the drug using chloramine-T (CAT) and the excess oxidant is determined by either xylene cyanol FF (XCFF) or malachite green (MG), the absorbances of which are measured at 612 or 619 nm for RIS-XCFF and RIS-MG respectively. Under the proposed optimum co...

Journal: :IEEE Communications Letters 2022

Reconfigurable intelligent surface (RIS) has been shown as a promising technique to increase the channel randomness for secret key generation (SKG) in low-entropy channels (e.g., static or line-of-sight (LoS)), without small-scale fading. In this letter, we show that even with aid of RIS, collaborative eavesdroppers (Eves) can still estimate legitimate Alice-Bob and erode their rates (SKRs), si...

2008
Paul Sava

Micro-seismicity can be used to monitor the migration of fluids during reservoir production and hydro-fracturing operations in brittle formations or for studies of naturally occurring earthquakes in fault zones. Micro-earthquake locations can be inferred using wave-equation imaging under the exploding reflector model, assuming densely sampled data and known velocity. Seismicity is usually monit...

2016
Ilya Zaliapin Yehuda Ben-Zion

We analyze statistical features of background and clustered subpopulations of earthquakes in different regions in an effort to distinguish between human-induced and natural seismicity. Analysis of end-member areas known to be dominated by humaninduced earthquakes (The Geyser geothermal field in northern California and TauTona gold mine in South Africa) and regular tectonic activity (the San Jac...

2017
Abhineet Gupta Jack W. Baker

We describe a model to estimate event rates of a non-homogeneous spatio-temporal Poisson process. A Bayesian change point model is described to detect changes in temporal rates. The model is used to estimate whether a change in event rates occurred for a process at a given location, the time of change, and the event rates before and after the change. To estimate spatially varying rates, the spa...

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