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Multi-Photon Excitation and Ionization Studies of Strontium

Thesis Info

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Author

Yaseen, Muhammad

Program

PhD

Institute

Quaid-I-Azam University

City

Islamabad

Province

Islamabad.

Country

Pakistan

Thesis Completing Year

1999

Thesis Completion Status

Completed

Subject

Physics

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/5625/1/2365.pdf

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676726734580

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سید محمد احمد کاظمی

سید محمد احمد کاظمی
افسوس ہے پچھلے دنوں محمد احمد صاحب کاظمی کاانتقال ہوگیا۔مرحوم مولانا سید طفیل احمد صاحب منگلوری کے فرزند ارجمند اورایک نامور خاندان کے چشم و چراغ تھے۔الہٰ آباد ہائی کورٹ کے بڑے کامیاب ایڈوکیٹ اور ممبر پارلیمنٹ تھے۔ پارلیمنٹ میں وقف ایکٹ کے مصنف وہی تھے۔نیشنلزم گویاان کی گھٹی میں پڑا تھا۔کانگریس کے علاوہ جمعیۃ علمائے ہند اورمجلس احرار کے بھی سرگرم کارکن تھے۔ اخلاقی اعتبار سے بڑے درویش صفت اور خداترس انسان تھے۔گذشتہ سال جب کہ حج کرکے آئے تھے اس وقت سے ان کی دین داری میں عظیم انقلاب پیداہوگیا تھا۔آنحضرتﷺ کے ساتھ عشق کا یہ عالم تھا کہ نام نامی زبان پرآیا اورچشم پُر نم ہوگئی۔اسی جذبہ سے انگریزی زبان میں ایک ضخیم سیرت نبوی مرتب کررہے تھے جو افسوس ہے کہ نامکمل رہ گئی۔اﷲ تعالیٰ مغفرت وبخشش کی نعمتوں اورراحتوں سے نوازے۔ [دسمبر۱۹۵۹ء]

 

معاشرتی امن و امان میں پختون روایتی مصالحت اور تحکیم کا کردار: ایک تحقیقی مطالعہ

To maintain and enhance social peace and mutual interaction among people it is mandatory to resolve their mutual conflicts. The eradication of mutual conflicts and working for reconciliation is obligatory on the Muslims. Al-mighty Allah has declared reconciliation and resolution of conflicts among all the Muslims as legitimate action. There are numerous verses of the Holy Quran and Hadith of the Prophet where Muslims have been ordered for reconciliation aiming to promote brotherhood and peace in society. The main rationale behind this is to bring harmony and peace in the social order of life. What are the pre-requisites of reconciliation from Sharia’s perspective, in which conflict reconciliation is permissible and in which cases it is not allowed. This study emphasizes to answer the above mentioned question. Furthermore, efforts have been made to provide a sharia’s foundation for those who are involved in the process of reconciliation in the form of Taḥkīm. This will not only encourage them, but will help in the maintenance of peace in the society. Similarly, a comparison will also be made between the merits and demerits of Pakhtūn’s traditional reconciliation process, and important suggestions will be made to make the Pakhtūn’s traditional reconciliation process more productive and valuable.

Pathogenesis of Aflatoxin B1 in Quails under Experimental Conditions and Detoxification by Biological and Chemical Means

Secondary metabolites of certain fungi produce toxins under favorable conditions especially while growing on different food grains. Mycotoxins are among major threats to growing poultry industry and human beings. Aflatoxins are closely related, biologically active fungal metabolites and commonly produced by Aspergillus species. A research was carried out to evaluate the ability of Aspergillus flavus for Aflatoxin B1 production using rice, wheat and maize as substrates. Lethal effects on growth performance parameters, hematological and histopathological of graded doses of aflatoxin B1 in quails under experimental conditions were observed. Effect of Aflatoxin B1 on humoral immune response to Newcastle Disease virus vaccine in quails were determined. Biological detoxification of Aflatoxin B1 by Saccharomyces servisiae was evaluated in quails. Comparative evaluations of different commercially available toxin binders were checked. All these experiments were carried out till the six weeks (42 days). Aspergillus flavus was identified on the basis of macroscopic and microscopic characteristics. Rice, wheat and maize grains was used as substrate to check the level of Aflatoxin B1 produced by inoculating an aqueous suspension of 106 spores/ml. Aflatoxin B1 checked by Thin Layer Chromatography (TLC) and quantified by High Performance Liquid Chromatography (HPLC). Quails were reared under standard management conditions in five groups (A, B, C, D and E) having sixty each. Each group was further divided in two independent units. Diets offered to groups were control (without toxins), 0.25, 0.50, 1 and 2 mg Aflatoxin B1/kg feed. One unit of each group was vaccinated with Newcastle Disease Virus (NDV) vaccine while other was not and studied the lethal effects on growth performance, blood parameters, immune response and histopathology of vital organs. At the end of the experiment, it was found that the deleterious effects of Aflatoxin B1 were dose and duration dependent. As the level of the toxin was increased, the lethal effects were prominent. The growth performance parameters including gain in body weight, feed intake and feed conversion ratio was adversely affected at high doses. The body weight gain was significantly reduced in Aflatoxin B1 treated groups as compared to control group. Similarly feed intake and feed conversion ratio were significantly different from the control group. The hematological studies exhibited that aflatoxin B1 significantly reduced the hemoglobin, packed cell volume and total leukocyte count whereas the erythrocyte sedimentation rate was significantly increased as compared to control group. The immune response against NDV vaccine was adversely effected in Aflatoxin B1 treated groups and values of Antibody titer in AFB1 were significantly low as compared to group A( control) In the second experiment, Saccharomyces cervisae (SC) dried powder was mixed in basal quail diet having 0.5mg Aflatoxin B1 for all experimental groups and control was without toxins. SC was added at levels of 0.5 gm, 1.0 gm and 2.0 gm /kg of feed. It was recorded that Saccharomyces cervisae (yeast) have the potential to remove the deleterious effects of Aflatoxin B1. Yeast effectively detoxified the Aflatoxin B1. The results recorded of growth performance and other parameters were non-significantly different from the control group. Chemical detoxification of Aflatoxin B1 was evaluated in quails using commercially available toxin binders. Toxin binders used were activated charcoal, kaoline, Myco AD and selenium plus vitamin E and mixed in basal quail diet having 0.5mg Aflatoxin B1 for all experimental groups and control was without toxins. The Myco AD and selenium plus vitamin E showed the highest detoxification potential as compared to other chemical toxin binders. Groups E and F showed the results of growth performance, hematological, immune response and histopathological were non-significantly different from the control group (A). Kaolin was moderately detoxifying the toxin. Presence of aflatoxin B1 in soft tissues was checked by TLC and quantified using HPLC. The liver exhibited the residues of Aflatoxin B1 at high doses of toxin. Group D and E rearing on feeds having 1mg AFB1 /Kg feed and 2mg AFB1 /Kg feed of toxin showed the residues of AFB1 in liver and kidney. Statistical means for growth performance parameters, hematological, immune response and histopathological scores in each subunit of quails were analyzed by applying one way ANOVA and Duncans‟s Multiple Range (DMR) test at 95% probability. Aflatoxin B1 is lethal and lowers the performance of birds. The lethal effects can be detoxified by biological and chemical means to lower the economic losses to poultry industry. It can be concluded that biological detoxification is preferably better as compared to chemical detoxification.