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۔غزل

غزل۔۔۔ڈاکٹرالیاس عاجز

مری  آہ  و  فُغاں   سُن   کر   خفا   دربار   ہیں  مُجھ  پر
مَیں  باغی  ہوں  مگر   پہلے  بغاوت   کا  سبب  جانو
اِدھر   بے    زار   ہوں   مَیں   حاشیہ   بردار   ٹولے   سے
اگر   حکمِ   اطاعت   ہے   تو    پھر    یہ   یاد  رکھ  لینا
سُبُک   سر   لوگ   بستی  کے   مرا   اب   خوں بہاٸیں گے
اسیری   میں  حُرِیَّت   کی   فضا    میں   خود  بناٶں  گا
مَیں بیعت  کر  تو سکتا  ہوں مگر  پھر جھوٹ پر  مبنی
مرے  لفظوں میں  رنج  و  غم  سمٹ  آتا   ہے   اُمَّت  کا
نہ  سمجھو  کھیل  لفظوں کا  یہ  دل کو چیر نکلے  ہیں

 

یہ لکھتے اُن کی جانب  سے  کٸی  اخبار  ہیں  مُجھ  پر
وگرنہ  ہتھکنڈے  اوچھے سبھی  بے  کار   ہیں  مجھ  پر
اُدھر    ظِلِّ    اِلٰہی   بھی    بڑے    قہار   ہیں  مُجھ  پر
حُسینی   ہوں  کٸی  واجب  ابھی   انکار   ہیں  مجھ  پر
کہ کھینچے شش جِہَت سے  تیر اور تلوار  ہیں  مجھ  پر
فلک  تک  پھر اُٹھاٸے  جو  دَر  و  دیوار   ہیں  مُجھ  پر
قصیدے   شاہ   کے  لکھنا  بڑے   دُشوار  ہیں  مجھ  پر
کہ  ماضی حال و مستقبل  سبھی  بیدار  ہیں  مجھ  پر
وَرُودِ جسم  و جاں عاجز جو  بھی اشعار  ہیں  مجھ  پر

امن و سلامتی کے بنیادی تقاضے اور قیام کی تدابیر

The biggest challenge of 21 st century for the humanity is to make this world a peaceful abode. The human beings are threatened by the dangerous weapons of mass destruction, invented by their own hands. On the other hand, the Islamic principles of peace are the excellent ones for the promotion of peace. The prophets (ﷺ) of Allāh Almighty always focus on the establishment of a pious and peace loving society. In this paper the author explores the measures taken by Islām for the promotion of peace, for example, Islām forbids abusing the false gods, just because it creates hatred; it does not allow to use force to coerce someone to change his or her faith; Islām teaches to do trade, share social norms, and cultural rites with other nations; it is imperative, to respect all religions; a true Muslim gives due regards to others honor, life and property, which is the key to a peaceful living; Islām stresses its followers to help each other for the noble deeds and the welfare of society. The advancement in the science and technology has transformed the world into a global village. The mutual cooperation is far more necessary for the prosperity and welfare of the human beings, now. This dream is only possible through a worldwide peace program. This program is Islām. This paper explores such possibilities in Islām for the promotion of peace and harmony in the human society.

Dielectric Characterization Using High Q Microwave Resonators

Dielectric Characterization Using High Q Microwave Resonators This dissertation presents a very efficient and robust method of dielectric characterization through high quality factor resonant structures. The resonant structures employed in this work acts as sensing elements which are not only cost effective but also easy to integrate with other components for System-in-Package applications. These sensors work on the principle of resonant perturbation theory due to which there is a shift in resonant frequency and change in bandwidth as soon as they are loaded with a sample material. This perturbation is relative to the dielectric properties of the loaded material hence through prior calibration unknown parameters of the sample material can be determined with excellent accuracy. Two classes of sensors based on Dielectric Resonator (DR) and Substrate Integrated Waveguide (SIW) cavity are reported. The DR sensor offers high accuracy and excellent repeatability with straight forward MUT loading mechanism. The TM01δ resonant mode is excited to keep maximum E-field concentration in the middle of DR. This arrangement ensures maximum perturbation of the DR when the sample material is loaded. Organic liquid mixtures as well as powdered chemicals are measured for their concentration using this DR. SIW cavity is another structure which is investigated for dielectric characterization application of solids and in particular to estimate moisture content in a single wheat kernel. The wheat kernel is loaded inside cavity through a hole drilled in the appropriate location that results in shifting the resonant frequency of SIW cavity which is operated in TE101 or TE102 resonant mode. High quality factor and planar topology of SIW is very attractive for such applications. A relatively different technique of liquid characterization by varying the coupling coefficient of an SIW filter is also proposed. A two pole SIW filter is used in which the two resonators are coupled through a stub line. The sample is mounted on the coupling section of the filter resulting in the variation of the coupling coefficient and xi this variation is proportional to the electrical properties of the liquid under test, thus through prior calibration the liquid mixture concentration is determined. All the proposed techniques in this work can be easily transformed into a standalone handheld device by integrating peripheral electronics for measurements. Since the resonant perturbation technique is applied in association with the standard reference samples which are used for calibrating the system prior to its usage therefore, the handheld system does not require very high precision RF components.
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