نتایج جستجو برای: rock identification test
تعداد نتایج: 1228415 فیلتر نتایج به سال:
objective(s) rapidly growing mycobacteria (rgm) are capable of producing diseases in humans. since mycobacteria vary in their susceptibility, precise identification is critical for adoption of correct drug therapy. the main aim of this study was molecular identification and evaluation of antimicrobial susceptibility pattern of iranian clinically isolated myocbacterium fortuitum. materials and m...
Introduction: Shocked rocks are known from various planetary bodies of the solar system including Earth, Moon, Mars, and several types of asteroids. It was first recognized on Earth that stages of progressive shock metamorphism can be defined [1,2,3,4] and this concept was later on confirmed for lunar rocks [5] and meteorites [6,7,8]. Initiated by the IUGS “Subcommission on the Classification o...
uniaxial compressive strength (ucs) is one of the most significant factors on the stability of underground excavation projects. most of the time, this factor can be obtained by exploratory boreholes evaluation. due to the large distance between exploratory boreholes in the majority of geotechnical projects, the application of geostatistical methods has increased as an estimator of rock mass pro...
Sound signals generated during rock failure contain useful information about crack development. A sound-signal-based identification method for types is proposed. In this method, the sound of tensile cracks, using Brazilian splitting test, and those shear direct are collected to establish training samples. The spectrogram used characterize signal taken as input. To solve small sample problem, si...
BACKGROUND Spinal muscular atrophy (SMA) is the leading genetic cause of infant death. It is caused by mutations/deletions of the survival motor neuron 1 (SMN1) gene and is typified by the loss of spinal cord motor neurons, muscular atrophy, and in severe cases, death. The SMN protein is ubiquitously expressed and various cellular- and tissue-specific functions have been investigated to explain...
1 These are electronic supplementary appendices to: Revell, L. A phylogenetic test for adaptive convergence in rock-dwelling lizards. Evolution. Supplementary Appendix 1. GenBank accession numbers used in phylogenetic tree reconstruction.
The geological disposal of spent nuclear fuel may represent a good solution after a thorough risk assessment. In Finland and Sweden, the host rock for geological disposal is crystalline rock and the repository is based on the Swedish KBS-3 multi-barrier design. When radionuclides from spent nuclear fuel are potentially released into the bedrock, they are then transported by advection along wate...
Water infiltrating down a fracture in unsaturated rock experiences complex fluid-flow and heat-transfer phenomena when entering above-boiling rock temperature regions. Such conditions are expected, for example, after emplacement of heat-generating nuclear waste in underground repositories. A new, efficient semi-analytical method is proposed in this paper that simulates the flow processes of inf...
3D X-Ray CT and Diffusion Measurements to Assess Tortuosity and Constrictivity in a Sedimentary Rock
A high-resolution, three-dimensional (3D) image of the interior of the sedimentary rock was obtained by means of nano-focus X-ray computer tomography (X-ray CT). Using computational methods to analyze the 3D microstructure of the rock, we presented the tortuosity and geometrical constrictivity. We also presented results on the tritiated water (HTO) diffusion tests and a mercury intrusion porosi...
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