نتایج جستجو برای: egs

تعداد نتایج: 580  

2016
Aleks D. Atrens Victor Rudolph

CO2-based enhanced geothermal systems (EGSs) have been examined from a reservoir-oriented perspective, and as a result thermodynamic performance is well explored. Economics of the system are still not well understood, however. In this study, the economics of the CO2-based EGS technology is explored for an optimized power plant design and best-available cost estimation data. We demonstrate that ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1995
C Guerrier-Takada Y Li S Altman

Plasmids encoding various external guide sequences (EGSs) were constructed and inserted into Escherichia coli. In strains harboring the appropriate plasmids, the expression of fully induced beta-galactosidase and alkaline phosphatase activity was reduced by more than 50%, while no reduction in such activity was observed in strains with non-specific EGSs. The inhibition of gene expression was vi...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Eirik W Lundblad Gaoping Xiao Jae-Hyeong Ko Sidney Altman

A method of inhibiting the expression of particular genes by using external guide sequences (EGSs) has been improved in its rapidity and specificity. Random EGSs that have 14-nt random sequences are used in the selection procedure for an EGS that attacks the mRNA for a gene in a particular location. A mixture of the random EGSs, the particular target RNA, and RNase P is used in the diagnostic p...

2012
B. Bourdin

Secondary Thermal Cracks in EGS: a Variational Approach B. Bourdin: Department of Mathematics and Center for Computation & Technology, Louisiana State university, Baton Rouge, LA, USA. [email protected] C. Maurini: Institut Jean le Rond d’Alembert (UMR 7190), Université Pierre et Marie Curie and CNRS, Paris, France. [email protected] M. Knepley: Computational Institute, University of Chicag...

1988
Walter R. Nelson A. Del Guerra

The use of positron emitters in medical imaging was first suggested by Wrenn and coworkersl, and Sweet’, and the first prototype Positron Emission Tomography (PET) scanner WM built by Brownell and Sweets as shown in Fig. 22.1. A radiopharmaceutical labeled with a positron emitter is distributed within a biological target. The emitted /3+ annihilates with an electron of the surrounding tissue to...

Journal: :Resources 2021

This article considers the possibility of using unconventional geothermal resources in enhanced systems (EGSs) under Polish geological conditions. In order to obtain additional environmental benefits, EGS CO2 as a medium were analyzed. addition production clean energy, this allows for storage during energy process. The aim paper is analyze conditions EGS-CO2 systems. Criteria established select...

Journal: :Research notes of the AAS 2022

Abstract We present the results of deep ground-based U -band imaging Extended Groth Strip (EGS) field, and creation a best resolution mosaic depth following seeing-sorted stacking method Ashcraft et al. The analysis uses 324 images taken from 2012 March to 2021 June using Large Binocular Camera. includes 16.4% with FWHM ≤ 0.″9, while 73.5% 1.″6. Each image’s zero-point was matched SDSS u , acco...

2014
Jean Schmittbuhl Olivier Lengliné François Cornet Nicolas Cuenot Albert Genter

*Correspondence: [email protected] 1EOST, Université de Strasbourg/CNRS, 5 rue René Descartes, 67000 Strasbourg, France Full list of author information is available at the end of the article Abstract Background: Observations in enhanced geothermal system (EGS) reservoirs of induced seismicity and slow aseismic slip ruptures on related faults suggest a close link between the two phenom...

2009
Aleks Atrens Hal Gurgenci Victor Rudolph

Engineered geothermal systems (EGS) present an opportunity to expand the implementation of geothermal power. There has been some interest in the possible application of CO2 as a heat extraction fluid in these systems instead of water, due to a variety of inherent benefits, including being a nonpolar fluid, low viscosity at the temperatures and pressures within the reservoir and a large buoyancy...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید