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Thesis Info

Author

Sanober Shaheen

Supervisor

Najam Us Sahar

Program

MS

Institute

Riphah International University

Institute Type

Private

City

Islamabad

Country

Pakistan

Thesis Completing Year

2014

Thesis Completion Status

Completed

Page

xiv, 76 . : ill. ; 30 cm.

Subject

Economics

Language

English

Other

Submitted in the fulfillment of the requirements for the degree of Masters of Sciences to the Faculty of Management Sciences; Includes bibliographical references; Thesis (MS)--Riphah International University, 2014; English; Call No: 332.04125 SAN

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676711503124

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المبحث السادس: مرضها ووفاتها

المبحث السادس: مرضها ووفاتها

 الشاعرۃ کانت مصابۃ بمرض السکري ومرض یسمی (البارکنسون) المعروف بالشلل الرّعاش، ویبدو أن آخر قصائدھا ’’أنا وحدي‘‘ وتم نشرھا أیضاً ولکن ھُناک بعض القصائد لم یتم نشرھا.

 الشاعرۃ نازک الملائکۃ کانت من أبرز شاعرات العرب وقد احتلت مکانتھا في موقع الریادۃ من الحرکۃ الشعریۃ الحدیثۃ، التي سمیت "بالشعر الجدید والشعر الحر وشعر التفعیلۃ"[1]۔

 وکانت نازک الشاعرۃ الکبیرۃ المولودۃ في بغداد، عاصمۃ الشعر والأدب شارکت في النقد وکانت لھا القدرۃ في الإبداع والبحث من کل ما ھو جدید ومقبول في المجتمع الحدیث، فھي شاعرۃ مثقفۃ بالثقافۃ الأدبیۃ والفنیۃ اللغویۃ والموسیقیۃ۔ فھي کانت أیضاً إنسانۃ مثالیۃ۔ وبعد صراع طویل مع المرض رحلت عن ھذا العالم عام 2007 في القاھرۃ لیفقد العراق واحدۃ من أبرز مبدعاتہ اللواتی ترکن بصماتھن فی میادین إبداعھن ، لکن نازک ما زالت حاضرۃ بتاریخھا الشعري وریادتھا ومکانتھا۔

 وکانت أکبر شاعرۃ في القرن العشرین منذ 1923۔2007م وکانت تعیش في آواخر أیامھا في عزلۃ بعیدۃ عن الناس۔ ’’ماتت الشاعرۃ العراقیۃ الکبیرۃ في أحد مستشفیات القاھرۃ في 20 یونیو 2007م عن عمریناھز 85 عاماً[2]۔

وداعاً نازک الملائکۃ وداعاً۔



[1] بزیغ، شوقي، مرجح سبق ذکرہ، ص88

[2] شوشۃ، فاروق: نازک الملائکۃ: زنابق صوفیہ للرسول، العربي، العدد: 586 (سبتمبر 2007)، ص164۔

Line Item Budgeting on Labor Costs to the Level of Income

Library research is a data collection technique through the library in the form of literature books, and lecture materials that are relevant to the problem under study. In this study, the authors used the following data collection methods Research library (library research) It is a data collection technique through the library in the form of literature books, and lecture materials that are relevant to the problem under study. Field research (field research) is direct retrieval of the object under study by taking the following steps Observation, namely data collection through direct observation of the object under study, Interviews, namely conducting interviews with leaders and parties interested in the object of research.

Plasma Processing of Materials Using Plasma Focus

The work presented in this thesis addresses the parametric study of ion beams emitted from Mather type plasma focus devices and their flourishing utilization in materials processing. Experiments have been performed by using two different plasma focus devices; a conventional 2.3 kJ plasma focus device developed under the joint venture of the United Nations University (UNU) and the Abdus Salam International Centre for Theoretical Physics (ICTP) designated as the UNU/ICTP device operational at the GC University Lahore and a modified version called the Nanyang X-ray source-2 designated as the NX2 device (a repetitive plasma focus) operational at the National Institute of Education (NIE), Nanyang Technological University (NTU), Singapore. The measurements of ion parameters such as energy, energy distribution, number density and current density are carried out in the ambient gas pressure by employing a BPX65 photodiode and a Faraday cup (FC) using time of flight technique. A major motivation is to establish the optimum processing conditions for ion nitriding, surface modification, phase changes and carburizing of materials of industrial interest like Ti, AlFe 1.8 Zn 0.8 alloy and SS-321 in plasma environment. The processed samples are characterized for structural and morphological changes, compositional profile and surface hardness by employing X-ray diffraction (XRD) at GC University Lahore, scanning electron microscopy (SEM) at University of Peshawar, field emission SEM (FESEM) and energy dispersive X-ray spectroscopy (EDX) at the NIE NTU Singapore, X-ray photoelectron spectroscopy (XPS) at the National University of Singapore (NUS) Singapore, Raman spectroscopy and Vickers microhardness test at Quaid-i-Azam University Islamabad, Pakistan. The SRIM code and microindentation measurements are used to estimate the depth profile of the modified layers. Nanocrystalline spatially uniform TiN thin films with petal like features are developed on Ti substrates exposed to 30 focus shots at various axial positions. The surface roughness and the relative proportion of the TiN films are strongly influenced by the ion beam energy flux. The film acquires eminent appearance with maximum relative proportion of nitrogen at 7 cm axial position. The probable energy of the ions reaching this position is 64 keV with the maximum ion number density of 5.9 ́10 13 cm -3 . The corresponding energy flux and current density are 2.69 ́10 13 keV cm -3 nsec -1 and 1142 A cm -2 viiirespectively. The grain size of the film is estimated to be about 90 nm while the compound layer thickness is about 0.66 μm. The surface microhardness is also maximum at this axial position with typical value of 7650±10 MPa. The SEM images of a typical microcracked TiN thin film and the SRIM code estimations of ion penetration help in understanding the growth mechanism of the film in terms of ion dose. The granular nanostructures appearing on the substrate surface are grown from nucleates of a few nm size developed by the energetic ions induced collision cascades. The predeposited nitride layer or nitrogen ions interstitially implanted into the substrate surface are also redistributed by the successive pulses of the ion beams leading to layer densification along with possible resputtering. Moreover, the temperature evolution during the DPF ions irradiation also enhances the reactivity of the nitrogen already introduced during the preceding pulses. The residual tensile stresses on the sample surface are transformed to the compressive stresses after DPF ion irradiation. Nitrogen ions induced surface changes in AlFe 1.8 Zn 0.8 alloy are investigated as functions of axial and angular positions for 30 shots. The expanded fcc phase of Al is evolved owing to the incorporation of nitrogen along with Fe and Zn into the Al lattice. A comparatively smooth and crack free nitride layer is formed on the sample treated at 7 cm axial and 10 0 angular position with 4- to 5-fold increase in Vickers hardness. TiN 0.9 and (Fe,Cr) 2 N are deposited on SS-321 along with formation of non-stoichiometric (Fe,Cr) x N phase by exposing the samples to multiple focus shots in nitrogen plasma at different axial and radial positions. The transformation from (Fe,Cr) x N to (Fe,Cr) 2 N is attributed to an increased nitrogen ion dose. The point-like structures of flakes reveal the nucleation of crystal growth with the increased ion doses. The nitride layer is golden in colour and is spatially uniform with improved surface hardness. Multiphase nanocrystalline titanium oxycarbide TiC x O y thin films composed of TiC 2 , TiO 0.325 , Ti 2 O 3 and carbon phases are deposited on titanium substrate in CH 4 discharges by the UNU/ICTP and the NX2 devices. The nanocomposite films are non-porous and microcrack-free with grain-like surface morphology having spatially uniform carbon distribution. XRD, Raman and XPS results reveal the favorable evolution of multiphase coatings having a stoichiometric TiC 2 phase and graphitic carbon adsorbates along with ixthe residual oxide (TiO 0.325 , Ti 2 O 3 ) phases with the lower energy flux and lower repetition rate in the UNU/ICTP treatment. Whereas, the deposition of carbon and a non- stoichiometric TiO 0.325 phase is favored due to the improved oxide removal and enhanced disorder in the substrate surface during the NX2 treatment. In addition, TiC 2 phase is also suppressed, possibly due to the enhanced substrate temperature caused by the higher energy flux of the ion beams and the higher repetition rate. The granular profile of the films attains a definite coagulation pattern. The energy flux of the ion beam and the repetition rate are found to be critical parameters which influence the preferred evolution of a particular phase during the restructuring of various phases.