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285 results for “Poles”
Radio emission from a pulsar's magnetic pole revealed by general relativity: a data archive
<p>This repository contains all pulsar data presented as part of the Science paper: "Radio emission from a pulsar's magnetic pole revealed by general relativity". These data consist of pulse profiles archives of PSR J1906+0746 observed by the Nancay and Arecibo radio telescopes between 2005 and 2018, that are readable by the PSRCHIVE package, see e.g. van Straten et al., Astronomical Research and Technology 9, 237 (2012).</p>
Text-fig. 6. Scanning electron micrographs of multicarpellate and apocarpous floral structures from the Early Cretaceous Puddledock locality, Virginia, USA (a, b: PP43701, Puddledock sample 001; c: PP43000x, Puddledock sample 073). a) Anacostia? sp., strongly compressed, elongated receptacle with spirally arranged carpels (red dots; not all shown); note larger size compared to the other floral structures; b) Numerous Anacostia type pollen grains in proximal view from the base of floral structure in (a); note graded reticulum over the proximal pole of the pollen grains; c) Elongated receptacle with numerous carpels in a spiral arrangement, possibly representing an earlier developmental stage of Anacostia? sp. Scale bars = 1 mm (a, c), 10 µm (b). in Multiparted, Apocarpous Flowers From The Early Cretaceous Of Eastern North America And Portugal
Text-fig. 6. Scanning electron micrographs of multicarpellate and apocarpous floral structures from the Early Cretaceous Puddledock locality, Virginia, USA (a, b: PP43701, Puddledock sample 001; c: PP43000x, Puddledock sample 073). a) Anacostia? sp., strongly compressed, elongated receptacle with spirally arranged carpels (red dots; not all shown); note larger size compared to the other floral structures; b) Numerous Anacostia type pollen grains in proximal view from the base of floral structure in (a); note graded reticulum over the proximal pole of the pollen grains; c) Elongated receptacle with numerous carpels in a spiral arrangement, possibly representing an earlier developmental stage of Anacostia? sp. Scale bars = 1 mm (a, c), 10 µm (b).
Text-fig. 47. Scanning electron microscope (SEM) images of reticulate-foveolate pollen on the surface of a fruit of Serialis antiquum; Torres Vedras locality, Portugal. a, b) Pollen grain showing angular outline and tectum perforated by foveolae of different sizes; note the braided tectum ornamentation formed by aggregations of small ridges (b); aperture not known; c, d) Pollen grain showing angular outline, tectum perforated by foveolae that become smaller toward the presumed pole; note the relatively smooth tectum and faint pattern of braiding ridges (d); aperture not known. Specimens, TV43-S171535-01 (a, b), TV43-S171535-02 (c, d). Scale bars 6 Μm (a, c), 1 Μm (b, d). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 47. Scanning electron microscope (SEM) images of reticulate-foveolate pollen on the surface of a fruit of Serialis antiquum; Torres Vedras locality, Portugal. a, b) Pollen grain showing angular outline and tectum perforated by foveolae of different sizes; note the braided tectum ornamentation formed by aggregations of small ridges (b); aperture not known; c, d) Pollen grain showing angular outline, tectum perforated by foveolae that become smaller toward the presumed pole; note the relatively smooth tectum and faint pattern of braiding ridges (d); aperture not known. Specimens, TV43-S171535-01 (a, b), TV43-S171535-02 (c, d). Scale bars 6 Μm (a, c), 1 Μm (b, d).
Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (a–e) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (f–k); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (b–e); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (a–e) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (f–k); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (b–e); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become
FIG. 3 in Morphological description and molecular phylogeny of two diatom clones from the genus Ulnaria (Kützing) Compère isolated from an ultraoligotrophic lake at the Pole of Cold in the Northern Hemisphere, Republic of Sakha (Yakutia), Russia
FIG. 3. — Cells in the culture Ulnaria pilum Kulikovskiy & Lange-Bertalot LAB55 attached to substrate: A, LM, mucilage strands are stained by Alcian blue in single cell; B, LM, cell aggregates; C, SEM, there are no traces of mucilage on the unattached ends of cells, tree closed girdle bands of each valve are pointed by arrowheads; D, SEM, attachment occurs with mucilage excreted through the pore field. Scale bars: A, B, 50 µm; C, 5 µm; D, 1 µm.
FIG. 2 in Morphological description and molecular phylogeny of two diatom clones from the genus Ulnaria (Kützing) Compère isolated from an ultraoligotrophic lake at the Pole of Cold in the Northern Hemisphere, Republic of Sakha (Yakutia), Russia
FIG. 2. — Ulnaria pilum Kulikovskiy & Lange-Bertalot LAB59: A, LM; B, SEM, external view and central area; C, internal view and central area; D, SEM, external view and the valve apex; E, internal view and the valve apex, rimoportula is located at an oblique angle relative to the central sternum; F, SEM, external view, two small spines at the apex. Scale bars: A, 50 µm; B-E, 5 µm; F, 1 µm.
Demonstrator of a rotor-fed asynchronous start for a Salient Pole Wound Field Synchronous Machine
<p>The video shows the asynchronous run-up (up to ca. 620 rpm) of a four pole, 60 kVA, 400V, 50 Hz salient pole synchronous generator. The run-up is obtained by AC-supplying a special rotor winding arrangement, capable of both exciting the machine at synchronism and providing a multiphase rotating MMF during the run-up. The armature phases, which have two parallel current paths, are conveniently short-circuited during the rotor acceleration. </p>
Progressive decline in old pole gene expression signal enhances phenotypic heterogeneity in bacteria
Open the record for dataset details and reuse information.
Effect of thinning pole stands on soil processes in southern Oregon, central Coast Range, and central western Cascades of Oregon (1994-1995 BLM Study)
This study was conducted in different regions to determine if climatic regimes alter the effects of thinning pole stands. Forest managers are currently faced with increasingly complex demands in designing sulvicultural approaches that fulfill the need to maintain and in some cases, enhance forest health. As mature and old-growth forests with their high degree of structural heterogeneity are replaced by younger plantations with much simpler structure, there is concern that key habitat components are being lost for a number of plants and animals. A silviculture technique that could be used to increase the structural complexity of young stands to thin them; encouraging the development of higher structural complexity. The main purposes of this study is to determine how thinning pole stands influence below-ground processes. The central research question was whether or not this manipulation brings soil characteristics closer to those found in old-growth forests; in essence, accelerating the onset of old-growth-like characteristics via forest management.
A time series of images of egret and cormorant colonies on Chimney Pole Marsh, VA 2010-2011
This dataset contains images used to observe double-crested cormorant and great egret nests on Chimney Pole Marsh, VA, a low-lying barrier marsh on the Atlantic coast of the Delmarva Peninsula. The camera was in operation June 15, 2010 to July 7, 2010, Aug, 3, 4 and 31, 2010, and May 10 through Aug. 11, 2011. Images were captured roughly once every 10 seconds during the day, resulting in a total of 287,564 images.
Marsh shoreline topographic surveys for Chimney Pole Marsh, Hog Island and Upshur Neck, VA 2008-2010
Repeated topographic surveys were made at the marsh boundaries on Hog Island, Chimney Pole Marsh and Upshur Neck, VA.
Optimizing the Geometric Configuration and Manufacturing Process of High Mast Illumination Poles
<p>This work presents the development of a high-fidelity model that accounts for the cumulative effect of welding and hot- dip galvanizing on the determining the resulting residual stresses and deformations induced during the manufacturing process of high mast illumination poles (HMIPs). This model is meant to elucidate the root causes of weld toe cracks in HMIPs. A TxDOT pole-to-base plate connection detail was used as the reference model in the analysis. Welding was modeled using the plug-in Abaqus Welding Interface (AWI), which automatically implements a series of sequential thermal and mechanical analyses. Then, the welding stress results were used as initial input to the galvanizing analysis. The cumulative stress results were compared against simulations that only considered the galvanizing process. A parametric study was then conducted to quantify the variation in the residual stresses and equivalent plastic strain magnitudes induced during the welding and galvanizing of HMIPs due to changes in welding and galvanizing practices. The results revealed that the cumulative effects of the different processes involved in the manufacturing of HMIPs contribute to the formation of galvanizing cracks in HMIPs. Also, increasing the dipping submersion speed during galvanizing and lowering the torch temperature magnitude during welding results in fewer zones prone to cracking. Altering the angle of inclination effect did not have a significant impact on the results. Performing variations in the manufacturing practices used for the fabrication of HMIPs can contribute to reducing the extensive inspection procedures conducted post-galvanizing to identify cracks.</p>
Pedestal to the flag pole
Pedestal to the flag pole with allegorical reliefs, venice, St. Mark´s place, mideel flag pole, leopardi, Italian, 1501-5. The Royal Cast Collection (Copenhagen, Denmark). Made with Memento Beta (now Remake) from Autodesk. For more updates, please follow @GeoffreyMarchal on Twitter. Source: Objaverse 1.0 / Sketchfab
Mini-RF S-band Radar Characterization of a Lunar South Pole-Crossing Tycho Ray: Implications for Sampling Strategies
<p>Data behind the figures for the publication in the Planetary Science Journal. Data is in .mat format, which is a Matlab save file which can also be read by open languages such as Python. The accompanying code, in .m format, is a Matlab code that will recreate the figures. The .m code can be read by any text editor application. All figures are also provided as pngs. Figures 7 and 8 are provided as GeoTiffs, where the first channel is S1, second channel S2, third channel S3, and the fourth channel S4 (i.e., the four Stokes parameters).<br>Figures.zip is a zip file with all of the figures in png format.<br>FiguresData.zip includes two files: MakeFigures.m, which is the matlab code that will recreate the figures, and RiveraValentinETAL_2024_PSJ_AccompanyingData.mat, which is that matlab data needed to recreate the figures. The .m file contains a header describing each variable in the .mat file. <br>GeoTiffs.zip contains two files, newton_stokes.tiff and haworth_stokes.tiff. These are GeoTiffs of Figures 7 and 8, respectively. </p>
Daily flood discharge dataset for 10 basins in the Third Pole during 1981‒2100
<p><span>This dataset describes the daily discharge during each river flood event in the 10 Third Pole basins (Indus, Yamuna, Upper Ganges, MahaKali, Karnali, Gandaki, Koshi, Brahmaputra, Salween, and Mekong) in the historical (1981</span><span>‒</span><span>2020) and future (2021</span><span>‒</span><span>2100). This was achieved using a hybrid model encompassing a validated physical model (Water and Energy Budget-based Distributed Hydrological Model, WEB-DHM) and deep-learning model (<a name="_Hlk153977673"></a>Long Short-Term Memory model, LSTM) with the latest climate projections. </span></p> <p><span>River flood events are defined using both the annual-maximum approach and peak-over-threshold (POT) approach. Details for identification of the annual-maximum and POT flood events are described in the file “readme.txt”. Future data was generated based on the climate projections </span><span>from five climate models (GFDL-ESM4, IPSL-CM6A-LR, MPI-ESM1-2-HR, MRI-ESM2-0, and </span><span>UKESM1-0-LL</span><span>) in phase 6 of the Coupled Model Intercomparison Project (CMIP6) under </span><span>two shared socio-economic pathway scenarios (SSP)</span><span> (a high-emission scenario of SSP585 and a low-emission scenario of SSP245). The unit of discharge is m<sup>3</sup>/s.</span></p>
Pole Reversals and Delta Q Dynamics: A MEFI-Based Multiscale Analysis
<p>This study examines the phenomena of geomagnetic pole reversals through the Modified Einstein</p> <p>Field Interaction (MEFI) framework. By exploring Delta Q stabilization, resonance deviations, and</p> <p>their global impacts, the study demonstrates MEFI's potential as a universal model. This journal</p> <p>entry provides visual evidence and simulations to highlight the quantum, geophysical, and societal</p> <p>effects of pole reversals, underscoring MEFI?s predictive power.</p>
Datasets for 'Multiple impact sources for light plains around the lunar south pole' research paper
<p>The attached datasets are the shapefiles (areas and crater measurements) for the article ' Multiple impact sources for light plains around the lunar south pole'.</p> <p>The shapefiles can be directly imported in ArcPRO. </p> <p>Also attached is a .png file (image) of the study region with the 22 dated light plains and smooth crater floors color-coded by age, Fig. 4 in the research paper.</p>
Moon South Pole Permanent Shadowed Regions
<p>File containing PSRs at the lunar south pole</p>
Supplementary data to: Acceleration of diverging runoff trends on the Third Pole
<p>This archive contains data produced for the study of “Acceleration of diverging runoff trends on the Third Pole (TP)”. For now, the data is password protected and only available to the Editor and Reviewers. And we commit to making the data publicly in the event of publication.</p> <p> </p> <p>The archive is organized in two major directories (“Shape_file” and “Data”).</p> <p> </p> <p><strong>1. The directory “Shape_file” </strong>includes two specific folders.</p> <p>(1) The folder “Mountain-basins_for_TP_rivers”, provides the shape files of the mountain-outlet basins for each of the 12 major TP rivers (Mekong, Salween, Brahmaputra, Ganges, Indus, Amu Darya, Syr Darya, Yellow, Yangtze, Tarim, Heihe, and Shule).</p> <p>(2) The folder “Three_climate_domains”, provides the shape files for the mountain-outlet basins (that we investigated in the study) in the TP's westerlies domain, westerlies-monsoon transition domain, and Indian monsoon domain, respectively.</p> <p> </p> <p><strong>2. In the directory “Data”</strong>, we provide the processed annual time-series of precipitation (<em>P</em>) anomaly, evapotranspiration (ET) anomaly, total water storage change (<em>delt_S</em>) anomaly, and runoff from 1960 to 2016 that covers the mountain basins of all the 12 major TP rivers.</p> <p>For more details, please refer to the document "Data_introduction.docx" in the rar file ("Data-202202.rar").</p>
Pole finial, 12th-11th century BCE
Ancient Chinese bronze pole finial, 12th-11th century BCE, now in the collection of the Minneapolis Institute of Art. From the finial's description on artsmia.org: "A combination of four masks appears on this bronze finial, which originally adorned the end of a pole. A forceful taotie (composite animal) mask with downward-facing C-shaped horns appears on one side of the top. This monster's face forms a mask on a human head; it has the broad nose typical of early masks. On the other side, a ram's head, with horns turned down, bites on a head resembling a taotie. This remarkable work demonstrates that men wore zoomorphic masks in ritual ceremony." More information: https://collections.artsmia.org/art/962/pole-finial-china Source: Objaverse 1.0 / Sketchfab
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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