نتایج جستجو برای: فاز sks

تعداد نتایج: 16139  

Journal: :Science 2009
Cecily J Wolfe Sean C Solomon Gabi Laske John A Collins Robert S Detrick John A Orcutt David Bercovici Erik H Hauri

Defining the mantle structure that lies beneath hot spots is important for revealing their depth of origin. Three-dimensional images of shear-wave velocity beneath the Hawaiian Islands, obtained from a network of sea-floor and land seismometers, show an upper-mantle low-velocity anomaly that is elongated in the direction of the island chain and surrounded by a parabola-shaped high-velocity anom...

Journal: :Peptides 2017
Hussain Al-Alkawi Angela B Lange Ian Orchard

Sulfakinins (SKs) are a family of multifunctional neuropeptides that have been shown to have myotropic activity on muscles of the digestive system and to function as feeding satiety factors. Here, we confirm via cloning the presence of two sulfakinins (Rhopr-SK-1 and Rhopr-SK-2) in Rhodnius prolixus. Reverse transcriptase quantitative PCR demonstrates that the Rhopr-SK transcript is highly expr...

2005
W. Stefan E. Garnero R. A. Renaut

In [1] we present a method of signal restoration to improve the signal to noise ratio, sharpen seismic arrival onset, and act as an empirical source deconvolution of specific seismic arrivals. The method is used on the shear wave time window containing SKS and S, whereby using a Gaussian PSF produces more impulsive, narrower, signals in the wave train. The resulting restored time series facilit...

2008
S. M. Lloyd

[1] There is a potential for isotropic tomographic models to be biased by ignored anisotropy; anisotropy could be mapped as artificial isotropic velocity perturbations. We investigate the distribution and strength of this potential bias for three tomographic S velocity models based on regional S and Rayleigh waveforms. We use observed SKS delay times and fast-axis orientations to compute equiva...

2010
Daoyuan Sun Don Helmberger Michael Gurnis

[1] New waveform tomographic evidence displays a narrow plume‐like feature emitting from the top of the large African low‐velocity structure in the lower mantle. A detailed SKS wavefield is assembled for a segment along the structure’s southern edge by combining multiple events recorded by a seismic array in the Kaapvaal region of southern Africa. With a new processing technique that emphases m...

Journal: :JAMA dermatology 2015
Iris Martin Porntawee Paul Aphivantrakul Kuang-Ho Chen Suephy C Chen

ever,melanoma-specific dermoscopic criteriawerepresent in 6 lesions. This finding highlights the challenge in differentiatingCMfrommelanomas andunderscores the importanceof interpretingmelanoma-specific structures in thecontextof criteria formelanocytic lesionswhenusing the2-stepalgorithm.5 Dermoscopy users must also be familiar with the advantages and limitations of polarized andnonpolarizedde...

1995
V. Srinivasan Rao

Information was gathered in an organization conducting a pilot study of the satellite office concept. The goal of the information gathering was to document adjustments and changes taking place to permit inferences regarding the need,for more advanced communication technologies, such as videocorrferencing and coordination systems. While there is .rome evidence for the need for advanced technolog...

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