after test and review results and analysis of farm data, the following results were obtained. the review examined farms was done and the results obtained in this study was to determine the effectiveness of vaccines hatchpak avinew (frozen) and hatchpak ib h120 with spray in broilers a day in factories incubation and at least,they can be as vaccines avinew and bioral h120 ability to create saf...

charles dickens was a voracious reader even in his childhood. his early reading of seventeenth- and eighteenth-century picaresque fiction greatly influenced his writing style. his first novel, the pickwick papers, is a tale of rogues and swindlers, adventures and quests, satire and comedy, and innocence and experience. oliver twist, dickens’ second novel, is a young boy’s progress through a cor...

The historical urban landscape is a new approach towards the historical city as the product of human interaction with micro ecosystem over the passage of time that has recently gained a special position in urban conservation. This paper begins with raising the question that how this approach can be used to solve the challenges of conservation and development of historical cities. Exploring the ...

The philosophy of biology has existed as a distinct sub-discipline within the philosophy of science for about thirty years. The rapid growth of the field has mirrored that of the biological sciences in the same period. Today the discipline is well represented in the leading journals in philosophy of science, as well as in several specialist journals. There have been two generations of textbooks...

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...