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AbstractObservations of the nebula S3 associated with the WO star in the galaxy IC 1613 and of an extended region surrounding S3 are reported. Superkamagraaustralia The star and bright core of the nebula were observed with a multipupil fiber spectrograph mounted on the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences. Images in the principle spectral lines and integrated spectra of the star and three compact clumps were obtained, and the radial-velocity field constructed. An extended region of the galaxy was observed with the Very Large Array at 21 cm. https://www.superkamagraaustralia.nu A giant ring or H I shell enclosing a large fraction of the stellar population in IC 1613 was discovered. The WO star and associated bipolar nebula, which we discovered earlier, lie at the inner edge of the H I ring. A… local H I deficiency and two arclike H I ridges were also detected for the first time and probably represent the neutral component of the bipolar shell surrounding the WO star. The two arclike ridges may also have been produced by the collective stellar wind (and supernova explosions?) in OB association No. 9 from the list of Hodge. Kamagra Gel Australia A scenario for the formation of the extended bipolar feature is discussed, based on the new data.
In this paper, geometrical and numerical modelling for tubular K-joints has been presented. Kamagra Sydney Stress concentration factors (SCFs) along the weld of the joint have been obtained from an experiment on a K-joint specimen subjected to in-plane bending (IPB) load. Experimental results showed that numerical analysis by using the above models is accurate enough. https://www.superkamagraaustralia.nu Therefore, this numerical modelling technique can be safely and accurately used to analyze SCF of K-joints. Based on this, about 1,000 numerical models have been analyzed for K-joints under IPB in a special range. Equations to predict SCF of K-joints under IPB thus have been proposed by using curve fitting from numerical analysis results. The equations were validated by comparing with other equations. The comparisons show the proposed… Kamagra Gel For Sale SCF equations are accurate enough and thus it is possible to apply these equations in practice conveniently and safely.