نتایج جستجو برای: wall rock

تعداد نتایج: 207244  

Journal: :Energies 2021

This article presents a novel methodology for data integration including laboratory data, the results of standard well logging measurements and interpretation XRMI imager determination porosity permeability fracture system in carbonate rock. An example micro computed tomography applied rock is included. Data were obtained on area Polish Lowland Zechstein Main Dolomite formation. The input set i...

Journal: :Applied sciences 2022

On the basis of a conceptual model for an Excavation based Enhanced Geothermal System (EGS-E), which proposed to extract heat from Hot Dry Rock at depth through dominantly adopting shaft, roadways, and caved rock failure techniques but not depending on either wellbore drilling or fracturing stimulation, novel extensive version extraction is in this paper. Considering its mechanical stability is...

2009
Eloi Montanez Sara Wickstrom Johannes Altstaetter Haiyan Chu

Thank you very much for submitting your research manuscript for consideration to The EMBO Journal editorial office. All three referees judge the reported data as potentially interesting, but at the same time emphasize different aspects of the manuscript that needs at least some additional experimentation. Both refs#1 and #2 very much appreciate the cell culture aspect of the study, though reque...

Journal: :Sustainability 2023

The unreasonable setting of thermal insulation layer in high cold tunnels not only increases the maintenance cost tunnels, but also weakens anti-freezing and resistance tunnels. In order to optimize an Alpine tunnel, relying on Dabanshan tunnel Qinghai Province, three schemes radial longitudinal region were adopted, temperature field surrounding rock was numerically analyzed. results show that ...

2010
P. Senthil Kumar James W. Head David A. Kring

0019-1035/$ see front matter 2010 Elsevier Inc. A doi:10.1016/j.icarus.2010.03.032 * Corresponding author at: Room No. 122, Main Bu Research Institute, Council of Scientific and Industria Uppal Road, Hyderabad 500 606, Andhra Pradesh, Ind E-mail addresses: [email protected], senthil@ Hydrogeological modification of Meteor Crater produced a spectacular set of gullies throughout the interior ...

Journal: :Energy Science & Engineering 2023

In deep coal mining, the high temperature and humidity environment are one of main disasters threatening workers equipment. To predict airflow in airway accurately, this study establishes a numerical calculation model surrounding rock temperature, under conditions considering moisture evaporation heat absorption wall, condensation release supersaturated water vapor airflow, influence air compre...

Journal: :Water 2022

The construction of a cut-off wall is common reinforcement method for earth rock dams. At present, compared with the in-depth study on homogeneous dams, more and attention being paid to stability deformation dams strengthened by concrete wall. In this study, aiming at Wujing project dam wall, influence water level rise fall slope, body, crack width crest were analyzed numerical calculation in s...

Journal: :The EMBO journal 2009
Eloi Montanez Sara A Wickström Johannes Altstätter Haiyan Chu Reinhard Fässler

During blood vessel development, vascular smooth muscle cells (vSMCs) and pericytes (PCs) are recruited to nascent vessels to stabilize them and to guide further vessel remodelling. Here, we show that loss of the focal adhesion (FA) protein alpha-parvin (alpha-pv) in mice leads to embryonic lethality due to severe cardiovascular defects. The vascular abnormalities are characterized by poor vess...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 1999
Yehuda Arieli Neomi Feinstein Pnina Raber Michal Horowitz Jacob Marder

In heat-acclimated rock pigeons, cutaneous water evaporation is the major cooling mechanism when exposed at rest to an extremely hot environment of 50-60°C. This evaporative pathway is also activated in room temperature by a β-adrenergic antagonist (propranolol) or an α-adrenergic agonist (clonidine) and inhibited by a β-adrenergic agonist (isoproterenol). In contrast, neither heat exposure nor...

Journal: :Applied sciences 2022

The existence of karst cavities has an important impact on the safety foundation pit excavation projects. It is engineering guiding value to study influence blasting process pits and how optimize stiffness cement mortar improve effect. Based bench project Shenzhen Dayun Foundation Pit Project, this paper adopts SPH-FEM coupling calculation method cavities, cavity-filling water silt clay rock-bl...

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