1. Re-establishment of renal blood flow after total renal ischaemia of 4 h duration causes a pressor response in pentobarbitone anaesthetized rats and cats.2. The pressor response is related to the release of renin from the ischaemic kidney.3. Spinal section at any cervical level or stellate ganglionectomy abolishes the pressor response but spinal section caudad to the thorax or vagotomy and tr...

background:the diagnostic accuracy of frozen section as an important source of information in surgical pathology is important not only in the management of surgical patients but also as a measure of quality control in surgical pathology. in this study, we evaluated the diagnostic accuracy of frozen sections over a 6-year period in a teaching hospital in iran. methods: we retrospectively review...

in his post-critical writing, particularly prolegomena and both versions of preface in critique of pure reason, kant explains the importance and core function of mathematical antinomy in his philosophical project. this essay reviews and analyses the history and function of antinomies of pure reason, particularly mathematical antinomies and poses an account on kant’s proof for first and second a...

Background: The relationship between ethics and politics is a subject that is closely related to the philosophy of politics on the one hand and sociology on the other. But it is very difficult to put the two together because politics belongs to the realm of power and domination, and the politician does not involve himself too much in moral concepts that are cumbersome for his purposes in order ...

abstract rhetorical structure is helpful in improving how the writers maintain cohesion in their writings. this study examines how the iraqi writers maintain cohesion in the text by analyzing the various rhetorical moves in azzaman, an online iraqi newspaper. to this purpose, twelve opinion articles from azzaman iraqi newspaper, published from january 2013 to june 2013 were analyzed. the findin...

introduction agriculture is the most important sector of the economy in iran and it is highly dependent on the climate. the impact of global climatic change on agriculture has recently become an issue of increasing importance. the global climate change has been drawing attention of many to this very important topic of climate change, though it was a difficult proposition for many to accept whet...

We show that long-run average cost function for the (R, T) policy with normally distributed demand has a structure similar to that of the corresponding (Q, r) model so that many of the useful properties of the latter model are applicable. In particular, (i) the optimal cost is relatively insensitive to the choice of the reorder interval, T, provided a near-optimal R corresponding to the chosen ...