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Techno-Economic Evaluation of Solar Water heating System  in the Domestic Sector of Pakistan

Thesis Info

Author

Mujeeb Iqbal

Supervisor

Khanji Harijan; Rizwan Ahmed Memon

Department

Energy Systems Engineering

Program

Mphil

Institute

Mehran University of Engineering and Technology

Institute Type

Private

City

Jamshoro

Province

Sindh

Country

Pakistan

Thesis Completion Status

Completed

Subject

Energy Systems Engineering

Language

English

Added

2021-02-17 19:49:13

Modified

2023-02-19 12:33:56

ARI ID

1676729223955

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ام المومنین حضرت ام سلمیٰ

ام المومنین حضرت ام سلمیٰ ؓ
ہند بنت ابی امیہ سہیل بن المغیر ہ بن عبداللہ بن عمر بن مخزوم کے شوہر نے ہجرت مدینہ کی ، تو ہند ان کے ( شوہر ابو سلمہٰ) ہمراہ نہ تھے ۔
کیونکہ ام سلمہؓ کے میکہ والے مزاحم ہوئے اور انہوں نے اسے روک لیا ،ام سلمہ ؓ اپنے گھر واپس آئیں تو ان کے شوہر ابو سلمہ ؓ کے گھر والوں نے اس سے بچہ چھین لیا ، جس کا نام سلمہ تھا ۔وہ اپنے بچہ سے بچھڑ گئیں ۔ وہ روزانہ گھر سے نکل پڑتی اور ابطع میں بیٹھ کر رویا کرتی تھی ۔ سات آٹھ دن بعد ابطع سے ان کے خاندان کا ایک شخص نکلا ۔ اس نے ام سلمہ کوروتے دیکھا تو اس کا دل جذبہ ترحم سے بھر آیا ۔ گھر آکر لوگوں کو جمع کر کے کہا کہ اس پر ظلم کیوں کرتے ہو ؟ اسے جانے دو : اور ساتھ ہی اسے بچہ دے دو ۔ لوگوں نے بات مان لی اور بچہ ام سلمہ ؓ کے سپرد کر دیا اور مدینہ جانے کی بھی اجازت دے دی ۔ وہ تنہا سفر کر رہی تھی ۔ تنعیم کے مقام پر کلید بردار کعبہ عثمان بن طلحہ جو ابھی مشرف بہ اسلام نہیں ہوئے تھے ، انہوں نے سیدہ سلمہ ؓ سے پوچھا ، کہاں کا ارادہ ہے ؟ انہوں نے کہا ۔مدینہ ۔ انہوں نے پوچھا : کوئی ساتھ ہے ؟ آپ نے فرمایا ’’ خدا اور یہ بچہ ‘‘ ۔انہوں نے اونٹ پر سوار کر لیا اور خود مہار پکڑ لی ۔ جب قباء کی آبادی پر نظر پڑی تو عثمان نے کہا ’’ اب تم اپنے شوہر کے پاس چلی جائو، وہ یہیں قیام پذیر ہیں ‘‘ ۔ سیدہ سلمہ ؓ قباء کو اور عثمان مکہ کو روانہ...

Maulᾱna Waḥῑduddῑn Khᾱn’s Views on Relation Between Islam and Secularism

The article explores views of Maulᾱna Waḥῑduddῑn Khᾱn on relation between Islam and secularism as there is no specification of his thoughts on the above issue as critics and other scholars tend to show confusion when they approach Khᾱn’s thoughts from that specific angle. Maulᾱna Waḥῑduddῑn Khᾱn is an Indian religious scholar and peace activist who is alive and known for his modern, cosmopolitan and peaceful thoughts. In this article the scattered and disjointed views of Khᾱn on relation between Islam and secularism have been portrayed as to give context to his original views and show his actual stance which might remove the confusion prevalent amongst intellectuals and scholars as to spot Khᾱn’s basic stance on the above issue. The definition and different experiences of secularism has been shortly described along with projection of diversity of stance from other Muslim scholars as to broaden the very background of the issue. Later the views of Khᾱn and his approach to the issue have been presented. The article will throw light that how Khᾱn perceives the issue of relation between Islam and secularism and what is the point of convergence and divergence between Islam and secularism. This article will also highlight that whether he deals the topic on the basis of creed or philosophy or pragmatism and that whether he takes secularism as beneficial or damaging to the interest of Muslims and Islam. The article also shed light on the scheme of Khᾱn that how Muslim should deal with the phenomenon of secularism.

Dna Based Analysis of Thrips Diversity and Thrips-Borne Iris Yellow Spot Virus Tospovirus: Bunyaviridae from Pakistan

Thrips (Thysanoptera) are one of the most economically important groups of crop pests at a global scale which damage a wide range of field and horticultural crops. Some thrips species also serve as vectors of plant viruses. Despite the importance of this tiny insect as pests, predators, fungal feeders, gall formers, pollinators and virus vector, scant work was carried out on their systematics in Pakistan. Currently thrips taxonomy in Pakistan is solely based on morphological identification. Present study focused on thrips species identification based on the morphological characters, and developing a database of thrips fauna and their characterization based on DNA barcoding. Thrips were collected from multiple plants during 2009-2012 at 158 sites in three climatic regions of Pakistan. Twelve species from five genera of the suborder Tubulifera and twenty nine species from seventeen genera of the suborder Terebrantia were identified following standard taxonomic keys. A checklist of species reported in Pakistan since 1947 including thrips from the current survey was compiled. A comparison of our species with those previously reported from this region showed that one species (Apterygothrips pellucidus Ananthakrishnan) from Tubulifera and seven species (Chaetanaphothrips orchidii Moulton, Chirothrips meridionalis Bagnall, Megalurothrips distalis Karny, M. usitatus Bagnall, Neohydatothrips samayunkur Kudo, Taeniothrips major, Thrips trehernei Priesner) from Terebrantia and four genera (Apterygothrips, Chaetanaphothrips, Neohydatothrips, Taeniothrips) were the first reports from Pakistan. Mitochondrial COI sequences were used for discriminating 471 thrips that represented 55 species in the current survey. Sequence analysis revealed that the intraspecific and interspecific distances ranged from 0.0% to 7.5% and 2.3% to 22.3%, respectively. In addition, the study showed that four of the major thrips species in the region, Aeolothrips intermedius, Haplothrips reuteri, Thrips palmi and Thrips tabaci were cryptic species complexes. The study showed that DNA barcoding successfully discriminated regional thrips species including those which were morphologically cryptic. A barcode reference library for thrips from Pakistan was compiled and regional lineages of four important virus-vector thrips were connected with those from other countries by haplotype networks. A survey to determine the xiv incidence of selected tospoviruses was carried out in onion-growing regions of the Punjab province of Pakistan during February-May and September-October 2012 in thirteen administrative districts. Plants with symptoms suggestive of Iris yellow spot virus (IYSV) infection were collected and tested for the presence of the virus by ELISA and RT-PCR. Sequence analysis of RT-PCR amplified nucleocapsid (N) gene confirmed IYSV infection of onion in Pakistan. This was the first report of IYSV infecting onion in Pakistan. A global analysis of more than 100 IYSV N gene sequences was carried out to determine the comparative population structure, spatial and temporal dynamics with reference to its genetic diversity and evolution. Global IYSV population could be grouped into two genotypes, IYSVBR and IYSVNL and the analysis showed that the two genotypes were almost equally distributed. A temporal shift was observed from IYSVNL to IYSVBR genotype over a period of 15 years (1997 to 2013). The diversity in IYSV population and temporal shift in IYSVBR genotype is attributable to genetic recombination, abundance of purifying selection, insignificant positive selection and population expansion. Restricted gene flow between the two major IYSV genotypes (IYSVBR and IYSVNL) further emphasizes the role of genetic drift in modeling the population architecture, evolutionary lineages and epidemiology of IYSV.