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Uniform velocity distribution can be obtained within a very short distance from the outlet of the nozzle.Heat and mass transfer near the meniscus can be remarkably activated comparedwith a conventional straight type immersion nozzle without swirl.Swirl helps the superheat in the melt dissipate,Penetration depth of nozz[e outlet flow is decreased remarkably by the application of swirling.Those findings mentioned above are very useful to control the flow pattern in the biliet and bloom continuous casters,

Migraine-like features sometimes characterize the headache that follows epileptic seizure (postictal headache, PIH). We compared patients with different types of epilepsy to investigate the association between migraine-like PIH and seizure type. Subjects comprised 364 patients with partial epilepsy. Epilepsy types were temporal lobe epilepsy (TLE, n = 177), frontal lobe epilepsy (FLE, n = 116), and occipital lobe epilepsy (OLE, n = 71). Patients participated in a structured interview pertaining to PIH as well as interictal headache and family history of migraine. Headaches were classified according to the International Headache Society criteria, which was modified for this study. Forty percent had PIH and 26% of these patients had migraine-like PIH. Migraine-like PIH occurred significantly more often in cases of TLE and OLE than in cases of FLE. In addition, the incidence of interictal migraine headache was significantly higher in patients with migraine-like PIH. These results suggest that migraine-like PIH is related to particular regions of epileptogenic focus and that susceptibility to migraine headache predisposes to migraine-like PIH.

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