Results 61 to 70 of about 3,193,195 (208)

Strongly connected ex-situ MgB2 polycrystalline bulks fabricated by solid-state self-sintering

open access: yes, 2012
We have investigated the microstructure, normal-state electrical connectivity, and critical current density of ex-situ MgB2 polycrystalline bulks prepared by systematically varying the sintering conditions under low pressure.
Kishio, Kohji   +4 more
core   +1 more source

A portable load cell for in-situ ore impact breakage testing [PDF]

open access: yes, 2002
This paper discusses the design and characterisation of a short, and hence portable impact load cell for in-situ quantification of ore breakage properties under impact loading conditions.
Banini, George, Bourgeois, Florent
core   +1 more source

Tool repairs tube components in situ [PDF]

open access: yes, 1969
Two versions of a portable tool repair the seats of tube fittings and the flared ends of tubing. Each version operates on the principle of lapping to remove imperfections from tube and fitting interfacing ...
Rush, R. E., Tucker, P. E.
core   +1 more source

A Novel in situ Trigger Combination Method

open access: yes, 2013
Searches for rare physics processes using particle detectors in high-luminosity colliding hadronic beam environments require the use of multi-level trigger systems to reject colossal background rates in real time.
Aaltonen   +8 more
core   +1 more source

Numerical study on in-situ mining oil shale by high-temperature steam injection in long-distance horizontal wells

open access: yesGeomechanics and Geophysics for Geo-Energy and Geo-Resources
This article proposes an in-situ steam-assisted thermal decomposition method for oil shale using long-distance horizontal wells.Firstly, this article establishes a coupled thermal–hydraulic hydrothermal mechanical model considering the anisotropy of oil ...
Siqi Ren   +4 more
doaj   +1 more source

Remediation mechanism of EK-PRB coupling remediation of Cd-contaminated soil

open access: yesMeitan xuebao
Electrokinetic permeable reaction barrier (EK-PRB) coupled remediation technology combines the advantages of both electrokinetic remediation and permeable reaction barrier, which can effectively remove heavy metal ions from contaminated soil in coal mine
Zhaoyun CHAI   +5 more
doaj   +1 more source

Evolution of microcracks and energy of granite during shear test with PFC3D

open access: yesMeitan kexue jishu
In order to investigate the influence of normal stress on the internal meso-scale damage process during rock shearing, direct shearing experiments and PFC3D numerical simulation experiments of granite under different normal stresses were carried out ...
Jizhe GUO, Zengchao FENG, Xuecheng LI
doaj   +1 more source

2006 Great Bay Water Quality (DataSonde) Monitoring Program [PDF]

open access: yes, 2007
In situ water quality assessment has become an important source of data for monitoring, research and management activities in estuaries nationwide. As part of the National Estuarine Research Reserve System, the Great Bay System-Wide Monitoring Program ...
Pennock, Jonathan
core   +1 more source

Mobile setup for synchrotron based in situ characterization during thermal and plasma-enhanced atomic layer deposition [PDF]

open access: yes, 2016
We report the design of a mobile setup for synchrotron based in situ studies during atomic layer processing. The system was designed to facilitate in situ grazing incidence small angle x-ray scattering (GISAXS), x-ray fluorescence (XRF), and x-ray ...
Alessandro Coati   +10 more
core   +2 more sources

Experimental Study on the Damage of Quartz Type Hematite by Microwave Radiation Parameters and Cooling Methods

open access: yesTaiyuan Ligong Daxue xuebao
Purposes This work is conducted to explore more effective methods for assisting in mining and crushing hard iron ore and provide theoretical basis for optimizing engineering parameters.
WANG Ze   +6 more
doaj   +1 more source

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