Cobalt(II) phthalocyanine [Co(II)Pc] is used as both an ionophore and chromogen for batch and flow injection potentiometric and spectrophotometric determination of anionic surfactants (SDS), respectively. The potentiometric ...

A total of 488 stray cats, 212 adult and 29 juvenile females plus 235 adult and 12 juvenile males, were examined post-mortem during the winter and summer months of 2006 from five sites in the vicinity of Doha and its ...

مما سبق ندرك سداد الإسلام في اهتمامه بالأسرة، هذه القضية التي لا زالت من أهم القضايا الاجتماعية لدى الإنسان المسلم المعاصر، وما زالت تحظى بدراسات مفيدة، بقصد الإبقاء على سلامتها، وحمايتها من الأخطار المحدقة بها، واستعادة ...

A magnetically guided slow positron beam is being constructed at Qatar University and is currently being optimised for regular operation. This is the first positron beam in the Middle East, as well as being the first Arabic ...

The refractive index and UV spectra of the quaternary tellurite glass system of the form 80TeO2-5TiO2-(15 - x) WO3-xAnOm where AnOm is Nb2O5, Nd2O3 and Er2O3, x = 0.01, 1, 3 and 5 mol% for Nb2O5 and x = 0.01, 0.1, 1, 3, 5 ...

The estimation of the reliability function of the Weibull lifetime model is considered in the presence of uncertain prior information (not in the form of prior distribution) on the parameter of interest. This information ...

لاحظنا أثناء تدريسنا لمقرر الثقافة الإسلامية لطلاب جامعة قطر ضعف المستوى الثقافي فيما يتعلق بعموميات الثقافة الإسلامية ولاحظنا أيضا أن هناك توافق من قبل أعضاء الهيئة التدريسية على هذه الملاحظة، خاصة أن مقرر الثقافة الإسلامية ...

We give sufficient conditions which guarantee that the finite q-Hankel transforms have only real zeros which satisfy some asymptotic relations. The study is carried out using two different techniques. The first is by a use ...

Abstract The interactions of the electron donors piperazine (PIP) and N,N′-dimethylpiperazine (DMPIP) with the σ-acceptor iodine and the π-acceptors tetracyanoethylene (TCNE) and 2,3-dichloro-5,6-dicyano-1,4-benzoquinone ...