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Effects of Chlorides on Comprossive Strength of Concrete

Thesis Info

Author

Khurshid Anwar.

Department

Civil Deptt UET

Institute

University of Engineering and Technology

Institute Type

Public

Campus Location

UET Main Campus

City

Lahore

Province

Punjab

Country

Pakistan

Thesis Completing Year

1993

Thesis Completion Status

Completed

Page

83 . : ill, table, grah, 28 cm.

Subject

Engineering

Language

English

Other

Hardcover.; includes bibliographical references & index.; Call No: 620.136 K 52 E

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676712468649

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مسلسل جدوجہد کا میابی کی کنجی ہے

مسلسل جدوجہد کا میابی کی کنجی ہے
ایک بچہ ہاتھ میں کتابوں سے بھرا بیگ اٹھائے خراماں خراماں گاؤں کے مشرقی کونے پر موجود سکول کی جانب جارہا تھا۔ چہرے پر بشاشت کے آثار نمایاں تھے۔ کسی منزل پر پہنچنے کا شوق دامن گیرتھا، اپنے بوڑھے والدین اور بہن بھائیوں کی خدمت کا جذ بہ بھی پیش نظر تھا۔ یہی شوقِ تعلیم اس کو اپنے مقصد کی تکمیل کے لیے ممدو معاون ثابت ہوسکتا تھا۔ اس کے شب و روز حصول مقصد کی لگن میں گزررہے تھے۔ دریں اثناء اچانک جاں گسل صدمہ پیش آیا اور اس کے ارمانوں پر پانی پھیر گیا۔ آفت آسمانی سیلاب کی صورت میں اس کے گھر کو قبرستان بنا کر چلی گئی۔ اور گھر کا جملہ سامان عذاب کی صورت میں آنے والے سیلاب نے ختم کر دیا۔ اپنی اس گفتگو کے دوران اس کی آنکھوں میں آنسوؤں کی شکل میں نمی کے آثار نمایاں تھے۔ عظیم منصب پر فائز شخص نے موونگ چئیر پراپنے جسم کو دائیں بائیں متحرک کرتے ہوئے اپنی کامیابی کے راز کو فاش کیا اور کہا کہ شوق اگر چہ کا میابی کے لیے یوں ہے جیسے مچھلی کے لیے پانی ، زندہ رہنے کے لیے خوراک، اور سانس لینے کے لیے ہوا، لیکن شوق کے ساتھ محنت اور مشقت نہ اٹھائی جائے تو صرف شوق بلبلہ بر آب ثابت ہوگا۔
حدیث نبوی صلی اللہ علیہ و آلہٖ وسلم ہے کہ استقامت کرامت سے بھی بڑھ کر ہے۔ ایک شخص محنت شاقہ کا بارگراں اُٹھاتا ہے لیکن اس میں بے قاعدگی کا عنصر موجود ہے، باقاعدگی اور تسلسل کا فقدان ہے تو اس کی محنت رنگ نہیں لائے گی ، اس کے گلشن میں بہارنہیں آئے گی، اس کے کھیت و کھلیان کشتِ زعفران کا نمونہ پیش نہیں کریں گے، اس کے طائران خوش الحان...

Persecution of Press in Sindh: Case Study of Al-Waheed and Watan Newspapers during Political Movements, 1920-22

The purpose of this research was to study the persecution of press in Sindh during the currency of Pan-Indian political movements known as Khilafat and Non-Cooperation Movements, during 1920-22. In this regard the case study of two popular newspapers, Al-Waheed and Watan, were conducted to understand the mechanism of monitoring and controlling the newspapers in Sindh by the colonial rulers. The study explores the political landscape of Sindh in particular and India in general during those turbulent times as well as examines the state of journalism in the province at that time. With the help of the case study of two popular newspapers, the study highlights the mechanism adopted by the colonial government for monitoring and controlling the press in Sindh. In this regard the archival official records as well as translations of the critical articles published in those newspapers were accessed at the India Office Records (IOR) section of British Library, London. The methodology adopted for the current study mainly comprised historical, analytical and content analysis. The study concludes that the press in Sindh faced severe hardships at the hands of the British government through a coercive mechanism with active involvement and concurrence of all the capitals of Sindh’s governance, i.e. Karachi, Bombay, Delhi and London. The study is first of its kind that highlights the role played and sacrifices rendered by press in Sindh for the freedom of press during colonial rule in 192022. ______

Nutritional Profiling and Bioefficacy of Edible Coated Iron-Folate Fortified Rice

Instant research was an attempt to address iron deficiency anemia using the concept of dietary fortification with the application of edible coatings. Purposely, Super Basmati rice grains were used as a carrier for fortification activity whereas pectin and methyl cellulose based coatings were developed followed by the addition of iron salts (FeSO4 @ 30 and 50 ppm & NaFeEDTA @ 20 and 40 ppm) and folic acid (1.5 ppm). From the results, selected grains had 7.56±0.06% protein whilst, iron and zinc levels in the tested sample were 0.91±0.03 & 1.42±0.02mg/100g, respectively. Afterwards, fortified coatings were applied on grains and assessed for fortificants stability, cooking/eating quality attributes, pasting behavior, color tonality and hedonic response during 3 months storage. The maximum level of iron was recorded in T2 (Pectin coating fortified with 50 ppm FeSO4) as 4.85±0.02mg/100g, however, T0 (Control) had the minimum iron contents 0.84±0.01mg/100g. Likewise, storage exhibited significant differences on folic acid level that differed from 127.35±6.96μg/100g at initiation to 102.25±5.85μg/100g at termination, respectively. Cooking and eating quality traits were momentously affected with storage; maximum values for amylose contents and alkali spreading factor were 25.01±0.70g/100g and 4.09±0.02, recorded for T2 (Pectin coated; 50 ppm FeSO4 + 1.5 ppm folic acid) and T4 (Pectin coated; 40 ppm NaFeEDTA + 1.5 ppm folic acid). Additionally, elongation, volume expansion and water absorption ratios were improved during storage. Alongside, pasting behavior differed significantly due to storage, the maximum value for peak viscosity was recorded in T1 (Pectin coated: 30 ppm FeSO4 + 1.5 ppm folic acid) 2461.00±79.77cP whilst, peak and final viscosities improved from 2351.90±41.34 and 4000.39±22.13cP to 2504.70±44.03 and 4191.77±23.19cP at 0 to 90 days, respectively. Besides, mean squares for L, a*, b* color depicted significant variations with respect to storage. On contrary, mean squares regarding hedonic response of fortified treatments depicted non-momentous variations with respect to treatments and storage. Based on the findings of abovementioned traits, selected treatments from each combination were shortlisted for efficacy trial involving female Sprague Dawley rats. The experimental rats model was further subdivided into 2 phases; Phase I involving normal female rats whereas, Phase II comprised of female rats previously made anemic by the provision of iron deficient diet. In normal female rats, serum iron and ferritin values were significantly affected by groups and study intervals. The maximum value for serum iron levels was observed in G1 (Pectin coated: 50 ppm FeSO4 + 1.5 ppm folic acid) and G3 (Methyl Cellulose coated: 50 ppm FeSO4 + 1.5 ppm folic acid) by 132.35±3.20 and 131.72±2.89μg/dL, respectively. Over the efficacy trail, serum iron and ferritin levels improved from 114.37±3.11 to 137.44±3.20μg/dL & 41.09±1.34 to 71.80±2.16ng/mL at 0 to 60 days, respectively. Additionally, G1 had the highest percent increase in serum iron (13.99%) as compared to G0 (Control). Furthermore, the maximum values for total iron binding capacity and transferrin saturation fraction were 427.21±8.79μg/dL and 33.88±1.91% as observed in G0 and G1, respectively. Hematological assay depicted that the highest value for hemoglobin and RBC was 14.04±0.26g/dL and 7.96±0.02M/μL noticed in G1 and G4, respectively. In phase II, mean squares for serum iron, ferritin, TIBC and TrSF in anemic female rats showed momentous variations with respect to both experimental groups and study intervals. The highest serum iron level was observed in G1a by 100.58±1.86μg/dL while the least in G0a (Anemic control) as 83.05±1.59μg/dL. During the efficacy trail, serum iron levels considerably improved from 90.35±1.82μg/dL at initiation to 100.87±1.54μg/dL at the end of study. Likewise, increase in serum ferritin level was witnessed 21.18±0.84 to 56.91±1.68ng/mL at 0 to 60 days, respectively. The maximum values for increase in serum iron were 21.13% and 20.30% in G1a (pectin coated: 50 ppm FeSO4 + 1.5 ppm folic acid) and G3a (Methyl cellulose coated: 50 ppm FeSO4 + 1.5 ppm folic acid), respectively against anemic control (G0a). Besides, for TIBC and TrSF, the maximum values were 513.69±10.70μg/dL and 21.77±1.92% reported in G0a (Anemic control) and G1a. Conclusively, it is inferred that iron fortification of dietary cereal using edible coatings is an effective approach to attenuate the prevalence of hidden hunger with special reference to iron deficiency. Moreover, the findings of instant research can be instrumental for researchers and other stake holders to further probe the concern of iron deficiency anemia.