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Exact solution of MHD fractional burgers fluid with slip effect through porous medium

Thesis Info

Author

Shafaq Idress

Supervisor

Khadija Maqbool

Department

Department of Mathematics and Statistics

Program

MS

Institute

International Islamic University

Institute Type

Public

City

Islamabad

Province

Islamabad

Country

Pakistan

Thesis Completing Year

2015

Thesis Completion Status

Completed

Page

50

Subject

Media and Communication Studies

Language

English

Other

MS 515.353 SHE

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676722004576

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کوڑا جوبن

کوڑا جوبن
نخرے نال جاندیئے مٹیارے جوبن کوڑا تیرا
ایہہ چار دناں دی چاندنی فیر ہونا سدا ہنیرا

تیتھے چڑھیا حسن جوانی نی
مغروری چھڈ ، سب فانی نی
توں چھیتی رڑک مدھانی نی
نہیں رات دا فیر سویرا نی
ایہہ جوبن کوڑا تیرا نی

تینوں حسن دی چڑھی خماری نی
تیری کیوں اڑیے مت ماری نی
ایتھے پھردے پئے وپاری نی
انہاں لَے جانا، بنھ سہرا نی
ایہہ جوبن کوڑا تیرا نی

تیرے حسن دا مچیا شور کڑے
تیرے اندر تیرا چور کڑے
ایہہ ہویا اے منہ زور کڑے
ایہہ بھرم نہ رکھسی تیرا نی
ایہہ جوبن کوڑا تیرا نی

ایس حسن توں ہو بیزار کڑے
ایس کرنا تینوں خوار کڑے
توں لگسیں کسراں پار کڑے
ایتھے کسے نہ پانا پھیرا نی
ایہہ جوبن کوڑا تیرا نی

کیہ کرنا حسن تے مان کڑے
ہک دن چھڈنا ایہہ جہان کڑے
رکھیں اللہ ول دھیان کڑے
جہدا ہر دم فضل گھنیرا نی
ایہہ جوبن کوڑا تیرا نی

زر اور معاوضۂ زر: سرمایہ دارانہ اور اسلامی نظام معیشت کے تناظر میں تجزیاتی مطالعہ

Money and its Compensation: An Analysis with Respect to Capitalism and Islamic Economic System In trade and commerce, money has remained the backbone of the business and trade. From the beginning to the end, money is an indispensable part of every economic activity. For this importance, money is treated as a factor of production. But the question is what is meant by money and whether the value of money can be recognized as a land, house, shop, car, bungalow and merchandise goods? And then what is the status if it is in the form of interest and it is linked to inflation? The research article underlines the key aspect regarding money and its compensation in the perspective of capitalistic and Islamic economic system. The qualitative and analytical approach was applied in this article. A literature review concluded that time value of money in capitalistic economy is unlimited while the Islamic economic system does not recognize its value in form of interest and with the association of inflation rate. It is recommended that business to be done on a profit and loss basis, rather than on debt and interest and instead of linking money to the inflation rate, alternatives should be proposed, for example if a person wants to take the loan, he should be given what he needs on cost plus profit basis.

Optical Emission Studies of Laser Induced Silicon Germanium, Tin and Lead Plasma

Laser induced breakdown spectroscopy (LIBS) is a technique which provides qualitative and quantitative information from the emission spectra of the laser produced plasma of the metallic materials in various environments. In the present work, we have studied the optical emission spectra of the laser produced silicon (Si), Germanium (Ge), Tin (Sn) and Lead (Pb) plasma and also deduced the plasma parameters and atomic parameters by this technique. We have used the fundamental 1064 nm and second harmonic 532 nm of a Q-switched pulsed Nd:YAG laser (Quantel, Brilliant-B, France) for ablation and generating the plasma. The emission spectra of the laser produced plasma were captured using a set of four spectrometers (Ocean Optics), each spectrometer was equipped with 5 micron slit width and covering the spectral region between 200 – 720 nm. In somaqe experiments, we also used another set of four spectrometers (Avantes, Holland), each spectrometer was equipped with 10 micron slit width and covering the spectral region between 250 – 875 nm. The experimentally observed line profiles of the several neutral and ionic species have been used to extract the line widths, plasma or excitation temperatures, electron number densities and atomic parameters such as branching fractions, transition probabilities and relative line strength. The Plasma temperatures were determined using four different techniques; two line ratio method, Boltzmann plot, Saha-Boltzmann plot and Marotta''s technique whereas electron densities were deduced from the Stark broadened line profiles as well as from the Boltzmann-Saha relation. From the observed line intensities of the spatially registered spectra of silicon, we have determined the plasma temperature in the range of 8500 K to 9500 K and electron density in the range of 1x1017 cm-3 to 4 x1017 cm-3 at different laser energies. The plasma temperature for germanium (Ge) has been determined in the range (9000 – 11400 K) , (9500 – 10500 K) , for Tin (Sn) and (9000 - 10500 K) for Lead (Pb) and the electron densities have been deduced in the range (0.5 – 5.0)×1017cm-3 for Ge, (0.5 – 5.0)×1017cm-3 for Tin and (3.5 – 6.5)×1016cm-3 for lead depending on the laser pulse energy to produce the plasma. The Full width at half maximum (FWHM) of a number of neutral and singly ionized silicon, germanium, tin and lead lines have been extracted by the Lorentzian fit to the experimentally observed line profiles. We have compared the experimentally measured relative line strengths for the 4p5s 3P0,1,2 → 4p2 3P0,1,2 multiplet with that of calculated in the LS-coupling scheme revealing that the intermediate coupling scheme is more appropriate for the level designations in germanium. In addition, the LIBS, technique has also been exploited to experimentally determine the branching fractions and transition probabilities for fourteen spectral lines originating from the 3p4s→3p2 transition array of silicon (Si I), fifteen lines of the 5p5d→5p2 transition array in tin and eleven lines of the 6p7s → 6p2 transition array in lead, whereas the absolute values of the transition probabilities have been calculated by combining the experimental branching fractions with the life times of the excited levels. Our new results are comparable to that reported in the literature, where available.