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Modeling and Simulation of Tera-Hertz Quantum Well Photo-Detector

Thesis Info

Author

Sikandar Zulqarnain

Supervisor

Nasir Mehboob

Program

Mphil

Institute

Riphah International University

Institute Type

Private

City

Islamabad

Country

Pakistan

Thesis Completing Year

2019

Thesis Completion Status

Completed

Page

49 . : ill. ; 30 cm. +CD

Subject

Physics

Language

English

Other

Submitted in fulfillment ofthe requirements for the degree of Master of Philosophy in Physics to the Faculty of Basic Sciences and Humanities.; Includes bibliographical references.; Thesis (M.Phil)--Riphah International University, 2019; English; Call No: 537.1 SIK

Added

2021-02-17 19:49:13

Modified

2023-02-19 12:33:56

ARI ID

1676711277657

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1. پروفیسر عبد الحق بہ طور ماہر اقبالیات

. پروفیسر عبد الحق بہ طور ماہر اقبالیات
پروفیسر عبد الحق کی سب سے پہلی اور نمایاں حیثیت ماہر اقبالیات کی ہے۔ آپ اس بات پر پختہ یقین رکھتے ہیں کہ :
اقبال فن کی تحسین و تخلیق میں بڑی بزرگی کے مالک ہیں ۔ (1)
ان کا علمی اور تحقیقی مقالہ اقبالیات ہی کے حوالہ سے ہے۔ آپ نے پی ۔ایچ ۔ڈی کے مقالے میں اقبال کے ابتدائی کلام کی چھان پھٹک اور اس کے ذریعہ سے اقبال کے افکار کا تجربہ کیا جوان کی بنیادی شناخت بن گیا۔ اقبال کی شاعری میں نعتیہ کلام پر روشنی ڈالتے ہوئے آپ کہتے ہیں:
اقبال کی حکیمانہ نکات آفرینی نے نعت گوئی کو نئے امکانی جہات سے آشنا کیا ہے۔ ان کے کچھ اشعار تو نعت گوئی میں ضرب الامثال کی حیثیت رکھتے ہیں (2)
انھوں نے اقبالیات کے حوالہ سے کئی کتب کی اشاعت کا کام کیا۔ اقبال کی شاعری میں پوشیدہ پہلوؤں کی نشاندہی کی اور فکر اقبال کی تفسیر و تعبیر پیش کرنے میں گراں قدر خدمات سر انجام دیں۔ کلامِ اقبال کی فنی خوبیوں پر قلم اٹھایا اور عوام الناس کو فکر اقبال کے نئے گوشوں پر گامزن کیا۔ لکھتے ہیں۔
اقبال کی نظم تخلیقی تفاعل کی عروج وانتہا ہے فنِ شعر کا معجزہ بھی (3)
پروفیسر عبد الحق اقبالیات کا گہرا مطالعہ رکھتے ہیں۔ اقبال نے اجتہاد کے لیے راہوں کی نشا ن دہدی کی وہ اقبال کی فہم و فراست کا منہ بولتا ثبوت ہے۔ اس کا اوراک بھی اتنا ہی اہم ہے جتنا کہ اجتہادی نقطہ نظر خود اہمیت کا حامل ہے۔ اقبال فکری تاریخ میں امتیازی حیثیت رکھتے ہیں اور اجتہادی فکر و نظر انہیں تمام مفکرین سے منفرد بنا دیتی ہے۔ پروفیسر عبد الحق اس پہلو کواس انداز سے بیان کرتے ہیں کہ:
اقبال ہماری فکری تاریخ میں...

النزاهة من فن البديع المعنوي بين التعريف والتطبيق

The variety and difference in natural capabilities of a nation can be observed in their conversational skills. If the mental level of an individual has properly grown up, his power of expression, vocabulary and style of reasoning will be defiantly of high standard as compared to a common man. Similarly, when these skills get a literary shape it become more standardized. “Al Nazaha” is the art of the speech having similarity with satire (هجو )to a level but is different in many aspects with respect to its application, such as purification of plebian words )كالم سوقيانه, )reformative critical outlook and broad thinking etc. This article deals with the art of speech )النزاهة )its introduction and utilization in the Arabic and Islamic sources

Desertification Dynamics and its Control Mechanisms in Semiarid Areas of Pakistan: A Case Study of District Karak Pakistan

Desertification has emerged as a major environmental problem during last few decades. Due to its serious implications on food security it has attracted global recognition. Significant attention is being given to its mitigation both at government and non-governmental levels. Some of the efforts carried out by state sponsored agencies and NGOs have turned into success stories. However, it has been noticed that if the problem persists for a long time due to lack of attention then land restoration becomes ecologically and financially expensive. Therefore its earlier diagnosis and treatment can not only reduce the cost but is also beneficial for human welfare. Pakistan has substantial land susceptible to desertification due to geographical factors such as topography and aridity and social issues like rapid population growth and socio-economic changes. The pressure on land often leads to its un-sustainable land use leading to desertification. Millions of poor farm households and their livelihoods in arid and semiarid areas of the country are prone to risks and uncertainties associated with desertification and land degradation. Inhabitants of the areas affected by desertification try to adapt to changing environment and cope with emerging problems within their own limited knowledge and capacity.Some of the adaptation strategies like social values and norms are built in the traditions of the society. In addition, farmers try to learn from their experiences. Their efforts need to be supported as much as possible. Technology transfer and extension on conservation practices and selection of suitable and better adopted plant varieties and livestock breeds could be of substantial help in that direction. Further, financial assistance through farm credits could also help poor farmers to invest in their lands for improving its productivity. The present study of Karak district of Khyber Pakhtunkhwa has been undertaken to portray a case study in Pakistan in an area prone to and affected by desertification. It would provide an insight not only into the causes of desertification in a semiarid area but also into workable alternatives adapted locally for the sustainable management of land resources. It would also help in policy formulation and provide guidelines for decision-making to combat desertification. Data regarding physical parameters in this study were obtained using modern tools like remote sensing and GIS for mapping the area affected or at risk from desertification. The data on social parameters were collected through household surveys and focused group discussions that were analyzed following its processing with SPSS. Results obtained from this study reveal declining land productivity (both crops and rangeland), crop failure, and increased cost of agriculture, pointing a finger towards increasing desertification and land degradation. Both natural and anthropogenic factors are responsible for increase in desertification. Among natural factors enhanced aridity (water scarcity) as well as erosion of soil by wind and water are prominent. In terms of anthropogenic factors, over exploitation of resources, whether through cutting of vegetation, cultivation of farmland or livestock grazing is the main culprit. In order to reduce their dependence on land many people have migrated to earn income from nonfarm sources. However, while providing extra income, migration has also resulted in dearth of farm labor, often leading to abandonment of cultivated land opening them to erosion and desertification. Nevertheless remittances from migrants have also helped in certain cases to enhance investment in land for increasing productivity through increase of farm inputs. Finally, this study noted that the practice of traditional values for the control of desertification, which had declined with time are now being revived to control the overexploitation of resources, a good sign for future desertification control in the area.