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Thesis Info

Author

Ahmad Waqas Butt

Supervisor

Mumtaz Mustehsan

Department

Department of Computer Science

Program

MS

Institute

COMSATS University Islamabad

Institute Type

Public

City

Islamabad

Province

Islamabad

Country

Pakistan

Thesis Completing Year

2004

Thesis Completion Status

Completed

Subject

Computer Science

Language

English

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676720040160

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اسلم عارف

اسلم عارف (۱۹۴۲ء۔پ) پسرور کے ایک گاؤں بن باجوہ میں پیدا ہوئے۔(۱۰۰۱) اپنے وقت کے نظم،غزل اور قطعات کے اچھے شاعر ہیں۔ ان کے قطعات میں جدت پائی جاتی ہے۔ چند قطعات ملاحظہ ہوں:

قبر کے پھول            

اے حسینہ سنوارلے گیسو

 

%اشک کب تک بہائے گی

 

3قبر کے پھول سوکھ جائیں گے

 

-زندگی لوٹ کر نہ آئے گی

 

â۱۰۰۲)

آخری انسان                            

ایک مفلس بندۂ مزدور پر روئے گا کون

 

زندگی میں بھی اگرچہ بے سرو سامان تھا

 

مر کے لیکن رہ گیا اس طرح بے گورو کفن

 

جیسے اس دنیا کا بس یہ آخری انسان تھا

 

۱۰۰۳)

 ۱۰۰۱۔رخشہ نسیم،’’سیالکوٹ میں اردو شاعری‘‘(بیسویں صدی کے دوران )ص:۳۲

۱۰۰۲۔ایضاً،ص:۳۳

۱۰۰۳۔ایضاً،ص:۳۴

 

جوا اور اس کے انسان کی معاشی اور معاشرتی زندگی پر پڑنے والے اثرات اور اسلامی تعلیمات کا مطالعہ

Among the prohibited actions, gambling is on the top. There is definite prohibition  in many verses of the Holy Quran and the hadiths of the prophet. Despite such strict prohibitions by Islam, the gambling has been entered in economy in different shapes. Among the different types of gambling, some  forms are  very  clear, every one considers it wrong,   whereas  some kinds of  gambling are not considered wrong by the peoples. Whatever the name of gambling is, it is illegal and immoral, because changing name doesnot change its reality. Every type of gambling creates destruction in society and economy and brings various evils with it. Gambling  makes man greedy, miser, lover of  money, jealousy, wastage  of time and money. Such evils takes men away from generosity and  worship of Allah, carelesness in his duties and man becomes  immoral and irrespossible. Therefore, in any society where gambling is spread, the concept of peace, love, humanity bacomes  meaning less. As a result, the poor get poorer and the  rich grow richer.

Atmospheric Pressure Microplasma Assisted Synthesis of Metal and Metal Oxide Nanostructures and Their Application

Transition metals and metal oxide nanostructures are promising materials owing to their unique physical and chemical properties such as thermal stability, rigidity, and high chemical resistance. These properties enable them to be utilized for a wide range of environmental and biological applications; including antibacterial and photocatalytic activities etc. This led various research groups to develop several techniques for the synthesis of metal nanomaterials with different sizes, shapes and morphologies. However, it is still desirable to develop new environment-friendly synthetic processes to prepare these nanomaterials with new textural forms for their viable applications. In this regard, a very simple, fast, cost-effective and toxic free self-designed Atmospheric Pressure Microplasma (AMP) technique has been developed for the synthesis of metals (Ag and Au) and metal oxides (ZnO and CuO) nanostructures. In addition, several analytical techniques were used to study the morphological, structural, optical and compositional properties of the synthesized nanostructures. Furthermore, the prepared noble metal (Au and Ag) nanostructures were used for antibacterial applications while the metal oxide (ZnO and CuO) nanostructures were used for both antibacterial and photocatalytic applications. Scanning electron microscopy (SEM) showed the sheet-like structures of Ag and spherical structures for Au. However, a change in lateral dimension has been observed with the increase in the precursor’s concentration. XRD showed highly crystalline nature and single phase (fcc symmetry) of the as-synthesized Ag and Au nanostructures. In addition, highly crystalline ZnO nanostructures (nanosheets, nanodrums, and nanoneedles) were synthesized in the presence of different ionic (anionic and cationic) surfactants and nonionic fructose. It was found that the fructose and surfactants greatly influenced the morphology of synthesized ZnO nanostructures. Similarly, highly crystalline sheet-like CuO nanostructures were also synthesized without using any surfactant. SEM of CuO confirmed the variation in the dimensions of nanostructures with precursor’s concentration. XRD showed the hexagonal (wurtzite structure) phase of ZnO and monoclinic phase of CuO. The antibacterial tests of all the synthesized nanomaterials were evaluated against several bacterial strains. Results suggested that all the nanostructures exhibited effective bactericidal activity against all tested strains. It was observed that the antibacterial activity of the prepared samples not only depends upon the shape of nanostructures, but also on the type of the bacteria. This study also demonstrates the photocatalytic activity of the assynthesized ZnO and CuO samples for the degradation of organic dyes under direct sunlight. Results indicated that the ZnO and CuO sheet-like photocatalysts exhibited significant photocatalytic activities against tested dyes after 80 minutes of sunlight illumination. The findings of this research work may prove helpful in contributing towards new studies conducted on applications involving catalysis, optoelectronic devices, biomedical, pharmaceutical, environmental bioremediation and so forth.