abstract: in the present paper, we give a necessary and sufficient condition for contact cr-warped product to be contact cr-product in kenmotsu space forms.

Background & Aims of the Study: The safe drinking water providing is one of the most crucial objections in these centenaries. Bacterial water contamination and high rate of morbidity and mortality is crucial health threat. Efficiency of potassium persulfat (KPS) associated solar disinfection as a novel water disinfection technology was evaluated in batch scale experiments, us...

purpose: to compare keratocyte density between normal and keratoconic corneas in non-contact lens wearers. methods: confocal scanning was performed on 39 corneas of 26 patients with keratoconus and 28 corneas of 14 normal control subjects. none of the cases were contact lens wearer. all individuals underwent ophthalmic examination and computed topography in addition to confocal microscopy. main...