113. Al-Falaq/The Daybreak
I/We begin by the Blessed Name of Allah
The Immensely Merciful to all, The Infinitely Compassionate to everyone.
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a. Say:
b. I seek protection and safety against all evils with Rabb - The Lord of the Daybreak:
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a. against the evil/harm and viciousness of what HE has created,
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a. and against the evil/harm and viciousness of the darkness when it looms - overspreads and
intensifies,
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a. and against the evil/harm and viciousness of those who practice magic by blowing on knots.
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and against the evil/harm and viciousness of the envier and the rival whenever he envies and rivalry with grudge.
Dear Editor,
Swallowing is an essential requirement for life. Eating is not only a practical act (i.e., obtaining the nutrition necessary for survival) but also involves social interaction. Having meals with family and friends is almost universally necessary for personal interactions1. Dysphagia is derived from the Greek Language "Dys" which means “difficulty or dysfunction" and "Phagia" means "to eat". However, it is defined as difficulty in processing or swallowing food from mouth to stomach2.
In this thesis, the aim is to present some new classes of non–static and static, spherically symmetric solutions of the Einstein–Maxwell field equations representing compact objects with negative pressure. Throughoutthisthesisthespace–timegeometryisspherical,theradial pressure is negative, and the matter density equals the negative value of the radial pressure (either it is considered or it comes out as a consequence of the calculations). Several non–static solutions are found by taking an ansatz for the components of the metric tensor and on thesquareofelectricfieldintensity. Thesolutionsareshowntosatisfy physical boundary conditions associated with the exact solutions of the Einstein–Maxwell field equations. Due to negative pressure, these solutions can model physical systems such as expanding compact objects containing negative pressure. Petrov and Segr´e classifications that these obtained solutions admit are also discussed in detail. Two staticsolutionsofthefieldequationsarealsoobtainedwiththeansatz similar to that for the non–static cases in order to have a look how the solutions behave for these kind of ansatz in static geometry. All the physicalconditionsareshowntobesatisfiedforthestaticsolutionsand itisshownthatthesesolutionsdescribecompactobjectswithnegative pressure.