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Socio-Economic Impact of Hepatitis an Ethnographic Study of Union Council No 6/23 Hafizabad

Thesis Info

Author

Hafiz Zaka Ullah

Department

Deptt. of Anthropology, QAU.

Program

MSc

Institute

Quaid-i-Azam University

Institute Type

Public

City

Islamabad

Province

Islamabad

Country

Pakistan

Thesis Completing Year

2005

Thesis Completion Status

Completed

Page

76

Subject

Anthropology

Language

English

Other

Call No: DISS/M.Sc ANT/761

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676716124965

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برادر محمد حسنین عسکری کی شان دار کاوش

برادر محمد حسنین عسکری کی شان دار کاوش

بحثیتِ انسان اِن کے بارے میں بہت کچھ سُنالیکن بعد از ملاقات بل کہ پے در پے ملاقاتوں نے ان کے اندر چھپی ہوئی لاتعداد جہتیں  مجھ پر آشکار کر دیں۔ موصوف ہنس مکھ ، مخلص اور با کردار شخصیت کے مالک ہیں ۔اور یہ مبالغہ نہ ہوگا کہ بہت  اچھے تحقیق و تخلیق کار بھی ہیں۔یہ تو بظاہران کی ذات سے متعلق چند باتیں ہیں لیکن اگر  ذاتِ گرامی کا مکمل احاطہ کرنا مقصود ہوتو ان کی کتاب "اردو صوت شناسی"کے ساتھ "کردارِ حسنینیؑ " بھی رقم کرنا پڑےگا۔ اللہ پاک محترم عمرِ خضر عطا فرمائے۔

ان کا مقالہ برائے ایم فل اردو اب کتابی شکل میں منظرِ عام پرآ نے کے لیے مچل رہا ہے۔تحریر عمدہ،تحقیق لاجواب اور اگر صوتیات پر حوالہ جات سے متعلق کوئی کتاب آنے والے دنوں میں مارکیٹ میں دستیاب ہوگی تو وہ جناب حسنین عسکری ایم فل اردو کی "اردو صوت شناسی"ہو گی۔بی۔اے، ایم۔اے،ایم۔فل اور پی۔ایچ ۔ڈی کی سطح پر حوالہ جات کے لیے ایک گراں قدر اضافہ ہے۔مزید کتب بھی منظرِ عام پر آئیں گی جو موصوف کی علمیت ظاہر کریں گی۔ اللہ پاک موصوف کی علمیت میں اسی طرح،اردو ادب جو کہ فی زمانہ نظر انداز ہو رہا ہے کی خدمت کا فریضة  بجا لاتے رہیں۔امین ۔

دعا گو

پروفیسر اعجاز علی صفدر

ایم فل اردو (لسانیات)

                                                                             سیال کوٹ

 

 

مغربی اور اسلامی نظریہ ثقافتی اور تہذیبی عالمگیریت تحقیقی جائزہ

The term globalization is not new to the modern world. It was a hope of humanity centuries ago to make the planate a global village. However there is a difference of interests of nations in doing so. In the present ages the word Globalization is considered as a tool and term used by western powers to rule the entire world. If we see the globalization from Islamic perspective we can find various contracatidions between the concepts of Islam and that of the western world about globalization. These differences are not limited to a single side of globalization, but are found in political, financial and cultural point of views as well. In this paper I have limited my topic to cultural globalization, where after a brief study of both terms I have come up with an analysis of both, their modern status and current situation. This paper consists of a detailed comparision of both concepts from different dimentions and their impact on human society.

Magnetic Nanoparticles for Self-Controlled Hyperthermia Applications

In this thesis different magnetic nanoparticle systems have been investigated with the objective of finding materials most suited to self-controlled hyperthermia applications. This requires materials with Curie temperature close to the therapeutic limit of 42 - 47 °C together with large heat dissipation in RF magnetic fields. These two objectives are usually difficult to achieve in a given system. Therefore three different approaches have been used to address the problem; these include tuning exchange interactions, modifying magnetic anisotropy and reducing dipolar interactions between magnetic nanoparticles. Different nanoparticle systems viz. La1-xSrxMnO3 and mixed phase composites based on SrFe12O19 and MgFe2O4 and ZrO2 have been investigated in this context. In case of the strontium doped lanthanum manganite La1-xSrxMnO3 nanoparticle system, the exchange interactions and thereby the magnetic properties have been tuned by varying the Sr content x in the range 0.15 - 0.45. It was found that both magnetic and thermomagnetic behaviors are governed by the strontium content x. The saturation magnetization, coercivity and SAR vary non-monotonically with x. The measured SAR was found to be in close agreement with theoretically determined values obtained using the linear response theory (LRT). In the second approach using this system, the effect of particle size on magnetic anisotropy of La1-xSrxMnO3 with x lying in the range of 0.20 ≤ x ≤ 0.45 has been investigated. Magnetic properties such as saturation magnetization and Curie temperature were found to increase with the increase in particle size for each concentration. The measured SAR is maximum for particles lying in the range 25 – 30 nm for all values of x. Good agreement was found between the experimental and theoretically determined values of the SAR for samples lying in the single domain regime and having the largest anisotropy energies. It was therefore concluded that the effective anisotropy is the key parameter determining the SAR of in La1-xSrxMnO3 nanoparticles. Also, the LRT can be successfully used to calculate the SAR of these nanoparticles, provided they possess large enough effective anisotropies. Mixed phase composites based on magnetically hard SrFe12O19 and soft MgFe2O4 have been investigated by varying the weight percentage of the constituent phases whereby ZrO2 was used as a non-magnetic component. Room temperature magnetization measurements of the samples show significant variation in saturation magnetization, coercivity and remanence depending on the amount of the highly anisotropic Sr-hexaferrite phase. The composite samples show significant magnetothermia effect as opposed to pure SrFe12O19 in which no heating could be observed. This is due to the remarkable softening in the magnetic behaviour of pure SrFe12O19 upon addition of small amounts of the soft-magnetic MgFe2O4 and the non- magnetic ZrO2, making these composites suitable for magnetic hyperthermia. The effect of reducing dipolar interactions on the SAR was investigated in MgFe2O4 and ZrO2 composite nanoparticles with different weight percentages of ZrO2. The objective of introducing ZrO2, a biocompatible ceramic, was to prevent MgFe2O4 nanoparticles from aggregation and to reduce interparticle magnetic dipolar interactions in order to enhance the specific absorption rate (SAR). The blocking temperature and coercivity were significantly reduced in the composite samples by increasing the content of ZrO2 phase, indicating a decrease in interparticle interactions. This is an important finding from the point of view of biomedical applications, because ZrO2 in known to have low toxicity and high biocompatibility in comparison to that of ferrites. The reduced dipolar interactions were found to play a pivotal role in enhancing hyperthermia and we therefore, suggest the suitability of these composites as efficient mediators for magnetic hyperthermia.