نتایج جستجو برای: high pressure mercury intrusion

تعداد نتایج: 2385057  

2010
CHRISTIAN HUBER OLIVIER BACHMANN MICHAEL MANGA

The build-up and eruption of crystal-rich ignimbrites, commonly referred to as ‘Monotonous Intermediates’ , has been attributed to the incremental addition of new magma batches and the episodic partial melting and reactivation of rheologically locked crystal-rich magma bodies (mushes). In this study, we explore the role of volatiles exsolved from a hot intrusion underplating a crystal mush on t...

Journal: :Frontiers in Earth Science 2023

Intermediate mafic lava is a special oil and gas reservoir. While its internal structure an important factor affecting the reservoir properties, identification of facies understanding relationship between architecture are limited. This study evaluated intermediate flows Yingcheng Formation in Dongling area Songliao Basin by analyzing drilling cores, corresponding thin sections, scanning electro...

2003
JW Graves C Nash K Burger K Bailey

Mercury sphygmomanometers are being removed from clinical practice in the United States due to environmental concerns about mercury toxicity. Accurate blood pressure measurement is central to high-quality hypertension management. In this study of 106 patients, the BpTRU device was compared to nurse blood pressure measurements that complied with all the JNC VII/ American Heart Association guidel...

Journal: :Composites Part B-engineering 2022

To improve sustainability and reduce costs, interest in using limestone powder (LP) ultra-high performance concrete (UHPC) has been increasing recent years. Incorporating LP changes packing, characteristics of C–S–H pore structure interfacial transition zone (ITZ) matrix by physical chemical effects. However, the influences replacement on mechanical properties UHPC, from micromechanics to macro...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2000

Journal: :Dalton transactions 2016
Ismail Khay Gérald Chaplais Habiba Nouali Guillaume Ortiz Claire Marichal Joël Patarin

The energetic performances of seven SOD or RHO-topology ZIFs, with zinc or cobalt metal cation (ZIF-8, ZIF-90, Zn(dcim)2-SALE, ZIF-67, ZIF-7, ZIF-71, ZIF-11) were evaluated using water intrusion-extrusion under high pressure. The relationship between the structural parameters (in particular the pore system SOD or RHO, the type of linker, the metal cation nature) and the intrusion pressure was s...

Journal: :Journal of colloid and interface science 1999
Abell Willis Lange

Mercury intrusion porosimetry (MIP) is a widely used technique for characterizing the distribution of pore sizes in cement-based materials. It is a simple and quick indirect technique, but it has limitations when applied to materials that have irregular pore geometry. The relationship between MIP results and the actual pore distribution and connectivity can be better understood with the use of ...

2010
Y. Yao K. G. Pennell

A three dimensional vapor intrusion model was used to investigate the amount of time required to reach steady-state vapor intrusion rates. The effect of pressure fluctuations on vapor intrusion rates was also investigated. These results were obtained for a homogenous soil conceptual site model with groundwater located at 25 feet below ground surface. The time to achieve steady state ranged from...

Journal: :Journal of physics 2022

Abstract The use of the mercury intrusion method has been one most relevant trends in determining permeability porous media past decades. In this paper, general knowledge sandstone reservoir evaluation is delineated including pore distribution sandstones and air measurement. Based upon paradigmatic study conducted by Purcell, a schematic diagram illustrating apparatus used shown introduced, pro...

2010
Masato Ida

Multibubble effects on cavitation inception are studied in detail to show that bubble-bubble interaction can change the inception process of cavitation in a variety of ways. In an effort to develop a high-power pulsed neutron source which uses a giant proton accelerator and liquid mercury, we have attempted to use microbubbles to reduce cavitation damage of the mercury vessels caused by proton-...

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