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90 results for “MPA”
Experimental measurements of creep deformation of Tournemire shale loaded at specified pressure (10 MPa) and room temperature (26°C)
<p>Following the experimental protocol used in (Geng<em> et al.</em>, 2018), we performed the stepping creep experiments at a confining pressure of 10 MPa. We first loaded the samples under hydrostatic conditions up to 10 MPa at a pressure rate of 0.3 MPa/min. Hydrostatic conditions were maintained for ~18 h at 26 °C. Next, differential stress (axial stress minus confining pressure) was increased to a fixed initial stress (30 MPa) and maintained (creep status) for 24 h. The differential stress was repeatedly increased by 5 MPa and maintained for 24 h, until brittle failure. All the experiments were conducted using the triaxial apparatus installed at the Laboratoire de Géologie of ENS-Paris (France). There were few constraints on the natural saturation state of the samples because of their low permeability (10<sup>-19</sup> 10<sup>-21</sup> m<sup>2</sup>). To avoid exposition redundancy, an additional description of the technical performance of the triaxial apparatus can be referred to (Brantut<em> et al.</em>, 2011, Sarout & Guéguen, 2008).</p> <p>Compressive stresses and compactive strains are denoted as positive. Axial creep deformation was measured using three capacitive gap sensors that externally monitored the overall axial displacement of the piston during creep deformation. Volumetric strain during creep was estimated by adding the average of axial strains (axial displacement of the piston divided by the sample length) and two average radial strains measured by four radial strain gauges glued uniformly around the cylindrical rock surface. As the deformation rate generally stabilized during the last 8 h in most creep periods (Geng<em> et al.</em>, 2018), we estimated the average axial strain rate over the last 8 h of each step to characterize the creep strain rate under the corresponding axial loading stress. More technical details of the sample configuration and creep rates estimation can be found in (Geng<em> et al.</em>, 2018).</p>
Dataset of publication "Speed of Sound Measurements in Helium at Pressures from 15 to 100 MPa and Temperatures from 273 to 373 K"
<p>This is a dataset of the speed of sound in helium, which was measured along five isotherms in a temperature range from 273 to 373 K at pressures from 15 to 100 MPa with a relative expanded uncertainty (k = 2) from 0.02 to 0.04%. A dual-path pulse-echo device was utilized to conduct these measurements.</p>
Fig. 6 in Unravelling the foraging behavior of the southern stingray, Hypanus americanus (Myliobatiformes: Dasyatidae) in a Southwestern Atlantic MPA
Fig. 6. Illustrations of species-typical patterns of foraging behavior performed by Hypanus americanus in the FNA in phase 5 entitled as final phase. The sub-phases are named as (a) active take-off; (b) drift take-off; (c) rest; (d) bury. The arrow indicates the direction of the movement. The figures were drawn using original still photographs.
Fig. 3 in Unravelling the foraging behavior of the southern stingray, Hypanus americanus (Myliobatiformes: Dasyatidae) in a Southwestern Atlantic MPA
Fig. 3. Illustrations of species-typical patterns of foraging behavior performed by Hypanus americanus in the FNA in phase 2 entitled as settled upon the bottom. The sub-phases are named as (a) smooth-landing (two leftmost drawings); (b) roughlanding (two rightmost drawings). The arrow indicates the direction and the intensity of the movement. Thicker arrow means a more intense and/or abrupt and/or rapid movement. The figures were drawn using original still photographs.
Fig. 4 in Unravelling the foraging behavior of the southern stingray, Hypanus americanus (Myliobatiformes: Dasyatidae) in a Southwestern Atlantic MPA
Fig. 4. Illustrations of species-typical patterns of foraging behavior performed by Hypanus americanus in the FNA in phase 3 entitled as secondary search (on the bottom). The sub-phases are named as (a) reverse on the bottom; (b) rotation on the bottom; (c) short forward displacement; (d) hit the bottom; (e) digging; (f) jetting water; (g) passive inspection; (h) active inspection. The arrow indicates the direction of the movement. The figures were drawn using original still photographs.
Fig. 1 in Unravelling the foraging behavior of the southern stingray, Hypanus americanus (Myliobatiformes: Dasyatidae) in a Southwestern Atlantic MPA
Fig. 1. Map of the study sites in the Fernando de Noronha Arquipelago (FNA). The darker lines indicate the 20m and 50m isobaths. Inside the thinner line, there is the Marine Protected Area (MPA), while outside it, there is the Environmental Protection Area (EPA) for sustainable use. Both areas comprehend the land and insular shelf up to 50m isobaths. Circles indicate the sampling locations where focal-animal, ad libitum and intensive search methods were used; triangles indicate the sampling locations where only the intensive search method was used (see Material and Methods).
Creep Data for ERBO/1 (CMSX-4) in the range from 720-1080°C and 140-850 MPa
<p>TENSILE CREEP DATA OF ALLOY ERBO 1; TEMPERATURE RANGE: 720-1080°C; STRESS RANGE: 140-850MPa; TENSILE DIRECTIONS: [001], [110] AND [111] <br> <br> OWNER OF SX TENSILE CREEP DATA (TO BE CONTACTED FOR USE OF DATA): <br> Gunther Eggeler, Ruhr-Universität Bochum, gunther.eggeler@rub.de; David Bürger, Ruhr-Universität Bochum, david.buerger@rub.de </p> <p>We kindly ask the user of this database to cite the publication Wollgramm et al. (Material at High Temperatures, 33, 2016) when using the data, as this is the main work for this database.<br> <br> DATA COMPILED FOR EXTERNAL USE: <br> Dezember 2022 <br> <br> STRUCTURE OF DOCUMENT: <br> Table 1: This page: Overview, Background Information<br> Table 2: Raw data: Tensile direction [001]<br> Table 3: Raw data: Tensile direction [110]<br> Table 4: Raw data: Tensile direction [111]<br> <br> <br> OVERVIEW AND BACKGROUND INFORMATION <br> <br> CREEP DATA TREATMENT <br> The specimen was heated under a small preload to test temperature in 2 hours. Thermal expansion and immeidate elastic onload straining were subtracted from curves. <br> <br> CREEP DATA AS PUBLISHED IN <br> P. Wollgramm, D. Bürger, A.B. Parsa,l K. Neuking, G. Eggeler, The effect of stress, temperature and loading direction on the creep behaviour of Ni-base single crystal superalloy miniature creep specimens, Material at High Temperatures, 33 (2016) 346-360 <br> <br> SPECIMEN PREPARATION AND CREEP PROCEDURE PUBLISHED IN: <br> P. Wollgramm, D. Bürger, A.B. Parsa,l K. Neuking, G. Eggeler, The effect of stress, temperature and loading direction on the creep behaviour of Ni-base single crystal superalloy miniature creep specimens, Material at High Temperatures, 33 (2016) 346-360 <br> <br> THE EXPERIMENTS WERE PERFORMED FOR THE ALLOY ERBO1 (CMSX4 TYPE). ALLOY COMPOSITION, HEAT TREATMENT AND INITIAL MICROSTRUCTURE DESCRIBED IN: <br> A.B. Parsa, P. Wollgramm, H. Buck, C. Somsen, A. Kostka, I. Povstugar, P. Choi, D. Raabe, A. Dlouhy, J. Müller, E. Spiecker, K. Demtröder, J. Schreuer, K. Neuking, G. Eggeler, Advanced scale bridging microstructural analysis of single crystal Ni-base superalloys, Advanced Engineering Materials, 17 (2015) 216-230 <br> V. Yardley, I. Povstugar, P. Choi, D. Raabe, A.B. Parsa, A. Kostka, C. Somsen, A. Dlouhy, K. Neuking, E.P.George, G. Eggeler, On local phase equilibria and the appearance of nanoparticles in the microstructure of single-crystal Ni-base superalloys, Advanced Engineering materials, 18 (2016) 1556-1567 <br> <br> CREEP MECHANISMS AND EVOLUTION OF MICROSTRUCTURE DURING CREEP: <br> P. Wollgramm, H. Buck, K. Neuking, A.B. Parsa, S. Schuwalow, J. Rogal, R. Drautz, G. Eggeler, On the role of Re in the stress and temperature dependence of creep of Ni-base single Crystal superalloys, Materials Science and Engineering a, 628 (2015) 382-395 <br> H. Buck, P. Wollgramm, A.B. Parsa, G. Eggeler, A quantitative metallographic assessment of the evolution of porosity during processing and creep in single crystal Ni-base super alloys, Materialwissenschaft und Werkstofftechnik, 46 (2015) 577-590 <br> A.B. Parsa, P. Wollgramm, H. Buck, A. Kostka, C. Somsen, A. Dlouhy, G. Eggeler, Ledges and grooves at gamma/gamma ' interfaces of single crystal superalloys, Acta Materialia, 90 (2015) 105-117 <br> P. Wollgramm, D. Bürger, A.B. Parsa,l K. Neuking, G. Eggeler, The effect of stress, temperature and loading direction on the creep behaviour of Ni-base single crystal superalloy miniature creep specimens, Material at High Temperatures, 33 (2016) 346-360 <br> X. Wu, P. Wollgramm, C. Somsen, A. Dlouhy, A. Kostka, G. Eggeler, Double minimum creep of single crystal Ni-base superalloys, Acta Materialia, 112 (2016) 242-260 <br> X. Wu, A. Dlouhy, Y.M. Eggeler, E. Spiecker, A. Kostka, C. Somsen, G. Eggeler, On the nucleation of planar faults during low temperature and high stress creep of single crystal Ni-base superalloys, Acta Materialia, 144 (2018) 642-655 </p> <p> </p>
Volumetric properties of dilute (d-glucose + H2O) solutions at temperatures from (293.15 to 433.15) K and pressures from (0.10 to 50.00) MPa
<p>The densities of aqueous solutions of D-glucose were measure at temperatures from (293.15 to 433.15) K and pressures from (0.10 to 50.00) MPa using a vibrating-tube densimeter. Apparent molar volumes <i>V</i><sub>φ,m</sub> and partial molar volumes at infinite dilution <i>V</i><sup>∞</sup> were calculated from the experimental results. <i>V</i><sup>∞</sup> increases as temperature increases and varies linearly with temperature above ~300 K. In addition, <i>V</i><sup>∞ </sup>does not vary as a function of pressure up to 50.0 MPa. Comparison of these results with previous studies indicate excellent agreement and significantly extend the experimental database for aqueous solutions of D-glucose to elevated temperatures and pressures. </p>
California MPA network ROV data set and code
<p>Dataset of remotely operated vehicle (ROV) surveys conducted across California's MPA network between 2005 and 2021 and code to conduct analyses and produce plots in the manuscript "Diving deep into the network: quantifying protection effects across California's marine protected area network using a remotely operated vehicle".</p>
Dataset related to the publication "An Invar-based dual Fabry–Perot cavity refractometer for assessment of pressure with a pressure independent uncertainty in the sub-mPa region"
<p>The data set consists of; The published paper, all figures that present measurement or simulation data in .png and .fig format and the underlying data plotted in the figures in text format.<span> </span>The published plots were generated from the fig files. The text files were generated by reading the plotted data from the fig files. The files are named Fig_XX were XX corresponds to the figure number in the publication.<span> </span>The format of the text file is as follows. Before every data set there is a header consisting of; The number of the subplot where the data is plotted (Plot: XX), the number of the data set in the sub plot (DataSet: XX), and the color of the line or marker in the plot (Color: XX). The description of what each color represents can be found in the publication.</p>
Forced Oscillations On The Orocopia Schist Under Saturated Conditions (Effective Stress 9 MPa) (2)
<p>Forced Oscillations on Orocopia Schist under Saturated Conditions (Effective Stress 9 MPa)</p> <p>Test #199<br> Type of Experiment: Forced Oscillations</p> <p>Sample: Orocopia Schist (#4)</p> <p>Experimental Conditions: </p> <ul> <li>Confining pressure: 10 MPa</li> <li>Pore Pressure: 1 MPa</li> <li>Seating Differential Stress: 10 MPa</li> <li>Amplitude of oscillating Stress: 1 MPa (Peak-to-peak)</li> <li>LVDTs: 2 high-resolution axial LVDTs but 4 radial LVDTs (no high-resolution)</li> </ul> <p>More details are in the Excel file, including the initial processing of the data before calibration and a list of experiments.</p>
Forced Oscillations On The Orocopia Schist Under Saturated Conditions (Effective Stress 2 MPa) (1)
<p>Forced Oscillations on Orocopia Schist under Saturated Conditions (Effective Stress 2 MPa)</p> <p>Test #191<br> Type of Experiment: Forced Oscillations</p> <p>Sample: Orocopia Schist (#4)</p> <p>Experimental Conditions: </p> <ul> <li>Confining pressure: 10 MPa</li> <li>Pore Pressure: 8 MPa</li> <li>Seating Differential Stress: 10 MPa</li> <li>Amplitude of oscillating Stress: 1 MPa (Peak-to-peak)</li> <li>LVDTs: 2 high-resolution axial LVDTs but 4 radial LVDTs (including 1 high-resolution)</li> </ul> <p>More details are in the Excel file, including the initial processing of the data before calibration and a list of experiments.</p>
Forced Oscillations On The Orocopia Schist Under Saturated Conditions (Effective Stress 9 MPa) (1)
<p>Forced Oscillations on Orocopia Schist under Saturated Conditions (Effective Stress 9 MPa)</p> <p>Test #190<br> Type of Experiment: Forced Oscillations</p> <p>Sample: Orocopia Schist (#4)</p> <p>Experimental Conditions: </p> <ul> <li>Confining pressure: 10 MPa</li> <li>Pore Pressure: 1 MPa </li> <li>Seating Differential Stress: 10 MPa</li> <li>Amplitude of oscillating Stress: 1 MPa (Peak-to-peak)</li> <li>LVDTs: 2 high-resolution axial LVDTs but 4 radial LVDTs (including 1 high-resolution)</li> </ul> <p>More details are in the Excel file, including the initial processing of the data before calibration and a list of experiments.</p>
DMPA & High Dose Oral Progestin (MPA) Tablets in Outpatient Treatment of Acute Excessive Vaginal Bleeding
ClinicalTrials.gov study NCT01148420. IPD Sharing: Not stated. Countries: 1. Publications: 1.
24 Months Follow-up, Two Arm Study to Compare the Cardiovascular Profile in a Regimen With Everolimus + Mycophenolic Acid (MPA) Versus (vs.) a Regimen of CNI+MPA in Maintenance Renal Transplant Recipi
ClinicalTrials.gov study NCT01169701. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Safety and Efficacy Study of IFX-1 in add-on to Standard of Care in GPA and MPA
ClinicalTrials.gov study NCT03712345. IPD Sharing: NO. Countries: 2. Publications: 1.
Volumetric properties of dilute (d-glucose + H2O) solutions at temperatures from (293.15 to 433.15) K and pressures from (0.10 to 50.00) MPa
Open the record for dataset details and reuse information.
Darley Dale Sandstone AE Dataset (Confinement 20 MPa)
<p>AE data (.seg2 files) contain AE recordings from all 12 sensors (recloc.mat) for individual events. These events have been picked (pktimes_ml.mat) and located using a Time Difference of Arrival methodology (sourceloc_ml.mat).</p> <p>Darley dale sandstone (DDS) is a brown-yellow, feldspathic sandstone with a modal composition of quartz (69%), feldspars (26%), clay (3%) and mica (2%) (Heap et al., 2009). Previous studies report a connected porosity of 13.3% ± 0.8% with grain sizes varying from 100-800 µm (Zhu & Wong, 1997). The unconfined compressive strength is 160 MPa (Baud & Meredith, 1997). At the scale analysed here, no distinct layering or laminations were present. A cylindrical rock sample was cored using a diamond tipped hollow coring drill to prepare a 4 cm diameter sample that was then trimmed to 10 cm length with a diamond saw. End faces are accurately ground using a lathe fitted with a cross-cutting diamond grinding disk with surfaces flat and parallel to within 0.01 mm.</p> <p>Deformation was performed using a conventional triaxial deformation cell installed at the Rock Mechanics Laboratory, University of Portsmouth (Fazio, 2017). The sample presented here was deformed until brittle failure at a confining pressure of 20 MPa at a constant deformation rate of 3.6 mm/hr. Experimentation was performed under fully drained conditions to avoid any fluid-driven effects on AE frequency content (Benson et al., 2010). These environmental conditions ensure that a high number of AE are obtained and any time-dependent variations in the signal waveform are predominantly due to the scattering effects of microfractures, thus allowing for the sampling of a diverse range of deformation structure. Axial displacement is measured with a non-contact Eddy Displacement system mounted to the apparatus. It comprises of three sensors that accurately (sub-micron) measure the distance to a target steel plate attached to the driving piston. These readings are averaged and are used to set the target deformation rate via feedback to an axial stress intensifier. Differential stress (MPa) and sample strain (%) are in attached .txt files.</p> <p>For AE data acquisition the protocol of Benson et al. (2007) was followed. The dry sample was positioned inside an engineered rubber jacket fitted with ports for an array of twelve 1 MHz single-component Piezo-Electric Transducers (PZTs, model PAC Nano30) were embedded. These sensors have a relatively flat frequency response between 125-750 KHz. Sensor output is connected to preamplifiers set to 40 dB, focusing on data quality over quantity. An ITASCA-Image “Milne” recorder operate in a standard ‘trigger’ model, downloading all twelve channels when any single channel passes a set 100 mV threshold (e.g. Gehne, 2018).</p> <p> </p> <p>Heap, M. J., Baud, P., Meredith, P. G., Bell, A. F., & Main, I. G. (2009). Time‐dependent brittle creep in Darley Dale sandstone. <em>Journal of Geophysical Research: Solid Earth</em>, <em>114</em>(B7).</p> <p>Zhu, W., & Wong, T. (1997). The transition from brittle faulting to cataclastic flow: Permeability evolution. <em>Journal of Geophysical Research: Solid Earth</em>, <em>102</em>(B2), 3027–3041.</p> <p>Baud, P., & Meredith, P. (1997). Damage accumulation during triaxial creep of Darley Dale sandstone from pore volumometry and acoustic emission. <em>International Journal of Rock Mechanics and Mining Sciences</em>, <em>34</em>(3–4), 24-e1.</p> <p>Fazio, M. (2017, January). <em>Dynamic Laboratory Simulations of Fluid-Rock Coupling with Application to Volcano Seismicity and Unrest</em> (PhD Thesis). University of Portsmouth, School of Earth and Environmental Sciences.</p> <p>Benson, P. M., Vinciguerra, S., Meredith, P. G., & Young, R. P. (2010). Spatio-temporal evolution of volcano seismicity: A laboratory study. <em>Earth and Planetary Science Letters</em>, <em>297</em>(1–2), 315–323.</p> <p>Benson, P. M., Thompson, B. D., Meredith, P. G., Vinciguerra, S., & Young, R. P. (2007). Imaging slow failure in triaxially deformed Etna basalt using 3D acoustic-emission location and X-ray computed tomography. <em>Geophysical Research Letters</em>, <em>34</em>(3). https://doi.org/10.1029/2006gl028721</p> <p>Gehne, S. (2018). <em>A laboratory study of fluid-driven tensile fracturing in anisotropic rocks</em>. University of Portsmouth.</p>
Data for Faranda et al. Behaviour of bromine in Cl- and F-bearing alkali-rich felsic magmas at crustal depth: an experimental study at 800-1100 °C, 10-200 MPa
<p>This file contains all data generated in this study :<br>Starting compositions (Table 1); Experimental conditions, concentrations of volatiles in the melt and in the fluid phase and f/m partition coefficients for the phonolitic (Table 2), comenditic (Table 3) and pantelleritic (Table 4) compositions; Instrument specifications and LA-ICP-MS running conditions (Table S1); Br and trace element concentrations of secondary reference glasses for LA-ICPMS (Table S2); Measured and published reference glasses used to determine the LOQ and to quantify REE-based interferences (Table S3); Major elements of Br- free materials for LA-ICPMS analysis (Table S4) ; Uncertainties propagated in the mass balance (Table S5); Description of run products (Table S6) ; Major elements composition of run-product glasses (Table S7); Mass balance calculation for the phonolitic (Table S8), comenditic (Table S9), and pantelleritic (Table S10) compositions; Degassing model (Table S11)</p>
Pilot Trial for Implementation of a MPA PK Monitoring Strategy
ClinicalTrials.gov study NCT00187915. IPD Sharing: Not stated. Countries: 1. Publications: 18.
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