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Article
Appendicular intussusception into a polyp
Intussusception of the appendix is a rare condition. We present the case of a 72–year–old woman with multiple polyps in the colon with an appendix completely intussuscepted into a polyp within the caecum. The ...
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Article
Snaring of submucosal tumors of gastric fundus
Submucosal tumors of the stomach are not uncommon. We present two cases of iatrogenic perforation after snaring large polyps in the gastric fundus. We discuss the probable etiology and review the literature re...
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Article
Mechanism of instability of Falkner-Skan flows
It is shown that the mechanism of linear instability of boundary-layer flows driven by favorable and adverse pressure gradients can be understood as a kinematic resonant interaction between inviscid and viscou...
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Article
Occurrence of vesicular-arbuscular mycorrhizae with Amaranthaceae in soils of the Indian semi-arid region
Some members of the family Amaranthaceae, which has mostly been reported as non-mycorrhizal, were examined for a symbiotic association with mycorrhizae in the semiarid and arid zones. Ten species belonging to ...
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Article
On spectra of unitary groups arising from cocycles
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Article
Structural studies on some antimonate exchangers
An attempt has been made to assign empirical formulae and possible ion exchange site for the antimonates of Zr(IV), Sn(IV) and Cr(III). On the basis of analytical data, exchange capacity, infra-red and thermoa...
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Article
Rapid separation of alkali metal ions on zirconium antimonate paper
The behaviour of the alkali metal ions on paper impregnated with zirconium antimonate is described. Examples of separations of binary and ternary mixtures are given.
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Article
Chromium antimonate as an ion-exchanger
Chromium antimonate has been synthesised under varying conditions of precipitation and the cation-exchange properties of the various samples are reported. Systematic study has resulted in a product suitable fo...
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Article
Synthesis and ion-exchange properties of zirconium antimonate
Samples of zirconium antimonate have been prepared under varying conditions of precipitation. Their properties, composition, and ion-exchange behaviour are reported. The 1g Kd vs. pH curves are given for Rb+, Cs+