Browsing by Title

Now showing items 13091-13110 of 24056

    • Low CO luminosities in dwarf galaxies 

      Schruba, Andreas; Leroy, Adam K.; Walter, Fabian; Bigiel, Frank; Brinks, E.; de Blok, W.J.G.; Kramer, Carsten; Rosolowsky, Erik; Sandstrom, Karin; Schuster, Karl; Usero, Antonio; Weiss, Axel; Wiesemeyer, Helmut (2012-05-07)
      We present maps of (12)COJ = 2-1 emission covering the entire star-forming disks of 16 nearby dwarf galaxies observed by the IRAM HERACLES survey. The data have 13 '' angular resolution, similar to 250 pc at our average ...

    • Low cost ceramic moulding composites: materials and manufacturing technology 

      Ren, Guogang; Hogg, P.J.; Woolstencroft, D.H. (2008)

    • Low dietary magnesium intake and hypertension 

      Kass, Lindsy; Sullivan, Keith (2016-12-07)
      Abstract Purpose: Magnesium (Mg) is a key factor in blood pressure regulation. However, only in recent years, magnesium dietary intake has been studied in relation to hypertension, with equivocal conclusions. Further no ...

    • Low frequency observations of linearly polarized structures in the interstellar medium near the south Galactic pole 

      Lenc, Emil; Gaensler, B. M.; Sun, X. H.; Sadler, E. M.; Willis, A. G.; Barry, N.; Beardsley, A. P.; Bell, M. E.; Bernardi, G.; Bowman, J. D.; Briggs, F.; Callingham, J. R.; Cappallo, R. J.; Carroll, P.; Corey, B. E.; Oliveira-Costa, A. de; Deshpande, A. A.; Dillon, J. S.; Dwarkanath, K. S.; Emrich, D.; Ewall-Wice, A.; Feng, L.; For, B. -Q.; Goeke, R.; Greenhill, L. J.; Hancock, P.; Hazelton, B. J.; Hewitt, J. N.; Hindson, L.; Hurley-Walker, N.; Johnston-Hollitt, M.; Jacobs, D. C.; Kapinska, A. D.; Kaplan, D. L.; Kasper, J. C.; Kim, H. -S.; Kratzenberg, E.; Line, J.; Loeb, A.; Lonsdale, C. J.; Lynch, M. J.; McKinley, B.; McWhirter, S. R.; Mitchell, D. A.; Morales, M. F.; Morgan, E.; Morgan, J.; Murphy, T.; Neben, A. R.; Oberoi, D.; Offringa, A. R.; Ord, S. M.; Paul, S.; Pindor, B.; Pober, J. C.; Prabu, T.; Procopio, P.; Riding, J.; Rogers, A. E. E.; Roshi, A.; Shankar, N. Udaya; Sethi, S. K.; Srivani, K. S.; Staveley-Smith, L.; Subrahmanyan, R.; Sullivan, I. S.; Tegmark, M.; Thyagarajan, Nithyanandan; Tingay, S. J.; Trott, C.; Waterson, M.; Wayth, R. B.; Webster, R. L.; Whitney, A. R.; Williams, A.; Williams, C. L.; Wu, C.; Wyithe, J. S. B.; Zheng, Q. (2016-10-10)
      We present deep polarimetric observations at 154 MHz with the Murchison Widefield Array (MWA), covering 625 deg^2 centered on RA=0 h, Dec=-27 deg. The sensitivity available in our deep observations allows an in-band, ...

    • Low frequency radio properties of the $z>5$ quasar population 

      Gloudemans, A. J.; Duncan, K. J.; Röttgering, H. J. A.; Shimwell, T. W.; Venemans, B. P.; Best, P. N.; Brüggen, M.; Rivera, G. Calistro; Drabent, A.; Hardcastle, M. J.; Miley, G. K.; Schwarz, D. J.; Saxena, A.; Smith, D. J. B.; Williams, W. L. (2021-12-31)
      Optically luminous quasars at z > 5 are important probes of super-massive black hole (SMBH) formation. With new and future radio facilities, the discovery of the brightest low-frequency radio sources in this epoch would ...

    • A low frequency study of linear polarization in radio galaxies 

      Mahatma, Vijay H.; Hardcastle, Martin J.; Harwood, Jeremy; O'Sullivan, Shane P.; Heald, George; Horellou, Cathy; Smith, Daniel J. B. (2020-12-26)
      Radio galaxies are linearly polarized -- an important property that allows us to infer the properties of the magnetic field of the source and its environment. However at low frequencies, Faraday rotation substantially ...

    • A low frequency sub-arcsecond view of powerful radio galaxies in rich-cluster environments: 3C 34 and 3C 320 

      Mahatma, V. H.; Basu, A.; Hardcastle, M. J.; Morabito, L. K.; Weeren, R. J. van (2023-04-30)
      Models of radio galaxy physics have been primarily based on high frequency ($\geqslant$1 GHz) observations of their jets, hotspots, and lobes. Without highly resolved low frequency observations, which provide information ...

    • A low H I column density filament in NGC 2403 : signature of interaction or accretion 

      de Blok, W.J.G.; Keating, K.M.; Pisano, D.J.; Fraternali, F.; Walter, F.; Oosterloo, T.; Brinks, E.; Bigiel, F.; Leroy, A. (2014-09-25)
      Observed H i accretion around nearby galaxies can only account for a fraction of the gas supply needed to sustain the currently observed star formation rates. It is possible that additional accretion occurs in the form of ...

    • Low hygroscopic scattering enhancement of boreal aerosol and the implications for a columnar optical closure study 

      Zieger, Paul; Aalto, P. P.; Aaltonen, V.; Äijälä, M.; Backman, J.; Hong, J.; Komppula, M.; Krejci, R.; Laborde, M.; Lampilahti, J.; de Leeuw, G.; Pfüller, A.; Rosati, B.; Tesche, Matthias; Tunved, P.; Väänänen, R.; Petäjä, T. (2015-07-02)
      Ambient aerosol particles can take up water and thus change their optical properties depending on the hygroscopicity and the relative humidity (RH) of the surrounding air. Knowledge of the hygroscopicity effect is of crucial ...

    • Low income households under austerity: A notable rise in debt for essential needs 

      Dagdeviren, Hulya; Balasuriya, Jiayi (2019-02-11)

    • Low noise, low distortion, high frequency, fully differential CMOS transconductor 

      Hill, C.; Sun, Y.; Szczepanski, S. (Institute of Electrical and Electronics Engineers (IEEE), 2000)
      This paper describes a CMOS transconductance element based upon two differential pairs whose outputs are summed to give a linear transfer characteristic. The circuit has been simulated using a 2 μm process from MOSIS, and ...

    • Low pH up‐regulates interleukin‐6 mRNA in L6‐G8C5 rat skeletal muscle cells independent of pH sensing by SNAT2(SLC38A2) transporters 

      Aldosari, Ziyad; Abbasian, Nima; Robinson, Katherine; Bevington, Alan; Watson, Emma (2021-11-09)
      Exercise is known to create a transient, but potent increase in skeletal muscle expression of potentially anti‐inflammatory myokine interleukin‐6 (IL‐6). This effect may be clinically important in managing chronic inflammatory ...

    • Low Polarization Standards 

      Hough, J.; Lucas, P.W.; Bailey, J.; Tamura, M. (Astronomical Society of the Pacific, 2007)
      There is renewed interest in high sensitivity polarimetry as a means of observing the polarization signal of extra-solar planets. We describe the measurement of low polarized standards at fractional polarizations of parts ...

    • Low power fully differential CMOS filter for video frequencies 

      Sun, Y.; Hill, C. (2001)

    • Low Radio Frequency Observations and Spectral Modelling of the Remnant of Supernova 1987A 

      Callingham, J. R.; Gaensler, B. M.; Zanardo, G.; Staveley-Smith, L.; Hancock, P. J.; Hurley-Walker, N.; Bell, M. E.; Dwarakanath, K. S.; Franzen, T. M. O.; Hindson, L.; Johnston-Hollitt, M.; Kapinska, A.; For, B. Q.; Lenc, E.; McKingley, B.; Offringa, A. R.; Procopio, P.; Wayth, R. B.; Wu, C.; Zheng, Q. (2016-10-11)
      We present Murchison Widefield Array observations of the supernova remnant (SNR) 1987A between 72 and 230 MHz, representing the lowest frequency observations of the source to date. This large lever arm in frequency space ...

    • Low serum osteoprotegerin levels in normoalbuminuric type 1 diabetes mellitus 

      Singh, D.K.; Winocour, P.; Summerhayes, B.; Viljoen, A.; Sivakumar, G.; Farrington, Ken (2010)
      The aim of this study is to establish whether abnormal mineral metabolism is present in patients with type 1 DM with normal renal function and in the absence of microalbuminuria. Serum levels of 1,25-dihydroxyvitamin D, ...

    • A low upper mass limit for the central black hole in the late-type galaxy NGC 4414 

      Thater, S.; Krajnovi, D.; Bourne, M.~A.; Cappellari, M.; de Zeeuw, T.; Emsellem, E.; Magorrian, J.; McDermid, R.~M.; Sarzi, M.; van de Ven, G. (2017-01-01)
      We present our mass estimate of the central black hole in the isolated spiral galaxy NGC 4414. Using natural guide star adaptive optics assisted observations with the Gemini Near-Infrared Integral Field Spectrometer (NIFS) ...

    • A low upper-limit on the lithium isotope ratio in HD140283 

      Aoki, W.; Inoue, S.; Kawanomoto, S.; Ryan, Sean G.; Smith, I.M.; Suzuki, T.K.; Takada-Hidai, M. (2004-12)

    • Low velocity heavy mass impact response of single curve composites 

      David-West, Opukuro; Nash, David; Banks, William (2014-01)
      This article presents an extensive experimental investigation of singly curved fibre-reinforced composite structures subjected to low energy heavy mass impact. The objective of the study is to understand the contribution ...

    • Low Velocity Impact Response of Composite Panels for Aeronautical Applications 

      Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Ricci, Fabrizio; Rosiello, Vincenzo (Newswood Limited, 2015)
      The present experimental work analyses the impact behaviour of thermosetting composite materials for aeronautic applications. The main goal of the experimental activity was to identify the energy level in correspondence ...