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Home > A Study of Students Academic Achievement in Chemistry Subject Vs Science Facilities Available at Secondary Level in District Bakkar

A Study of Students Academic Achievement in Chemistry Subject Vs Science Facilities Available at Secondary Level in District Bakkar

Thesis Info

Author

Nazeer Hussain

Supervisor

Atia Batool

Institute

Allama Iqbal Open University

Institute Type

Public

City

Islamabad

Country

Pakistan

Thesis Completing Year

2002

Thesis Completion Status

Completed

Page

64.;

Subject

Chemistry

Language

English

Other

Call No: 540.712 NAS; Publisher: Aiou

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676709591409

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۴۔ زہر رگوں میں اتارنا پڑتا ہے

زہر رگوں میںاتارنا پڑتا ہے

تپتے سورج کی کرنوں کے نوکیلے پتھر

فگار دن کے برہنہ سر پر برس رہے تھے

ریل کی پٹری کو کاٹتی ہوئی کہنہ سڑک پر

انبوہِ آدم رواں دواں

قریب ہی پُل کے نیچے بیٹھے دھوئیں میں پریشاں حال

اپنے وجود کو تلاشتے چند انسان

موت کی آغوش میں پلتے ہوئے

دشت نما چہروں پر بے خوابی کی جھریاں

بد قسمتی کی دھول میں اٹے ہوئے بال

بوسیدہ پیراہن سے جھانکتا استخواں

آنکھوں میں خمارِ آشفتگی

جس میں ٹھکرائے جانے کا غمِ جاوداں پنہاں

 اس ہجومِ آشفتگاں سے ایک ژولیدہ مو

اپنی رگوں میں زہر اتارنے لگتا ہے

 زندگی بے اختیار چیخنے لگتی ہے

اے دشمنِ جاں یہ کیا۔۔۔؟

آشفتہ نوا گویا ہوا

سن اے زندگی!

’’خدا نے فقط تجھے عطا کر کے

بدلے میں مجھ سے کیا کچھ نہیں چھینا

اُس کے بے اماں جہان میں

رشتے بکتے ہیں

جذبات کا بیوپار ہوتا ہے

محبت بھیک مانگتی، تلوے چاٹتی ہے

جھوٹ مسکراتا ہے

سچ دریوزہ گر ہے

ہر کوئی نفرت کا خریدار ہے

اپنے بیگانے ہیں

یہ سب دیکھنے اور سہنے کے لیے

زہر رگوں میں اتارنا پڑتا ہے‘‘

Influence of Advertising on Consumer Buying Behavior for Conspicuous Products

This research articulates the influence of advertising on consumer buying behavior for conspicuous products. Aim of conducting this study was to analyze the impact of advertising liking and advertising attitude on consumer buying behavior, mainly to investigate that either the advertisements are effective to convince the people to spend money on conspicuous products or to influence their buying behavior. Findings of this research will be beneficial to overcome the problem of advertisers focusing more on advertisements contents and effectiveness of advertisements. In order to investigate this, data was collected by showing different advertisements to the responders and it was asked for to fill up the questionnaire. According to our findings, there is a significant and positive influence of advertising on consumer buying behavior for conspicuous products. Which means that it contributes much in influencing consumer buying behavior through both national product advertisements and international products advertisements.

Blade Coating Analysis of Newtonian and Non-Newtonian Fluids

A coating is the covering which is applied to the object surface and referred to as the substrate usually. The principle for the application of coating may be func- tional or decorative or both. The coating itself may be a completely covering the substrate, an all-overs coating or only covers a part of a substrate. In this thesis, a theoretical analysis for the blade coating process of incompressible Newtonian and non-Newtonian uids, when they are passing through the narrow region between the blade and a moving substrate is presented. The aim of the blade coating phenomenon is to produce the sheet of speci c thickness andnal appearance of the sheet is very important in many industries, such as paper, cellulosiclms, fabric and textilebers, plasticlms, steel and rubber industries for the purpose of production of a sheet with speci c thickness andnishing appearance. Paints and lacquers are such coatings which mostly have twin advantages; one is the protection of the substrate and the other is being the decorative. However, a few artists paints are for the purpose of decoration only, while the paint which are used on large industrial pipes are most likely for the function of preventing corrosion only. The applications of functional coatings include; the change of the properties of substrate surface, such as wetability, adhesion, corrosion resistance or wear resistance. In other cases, for example, when the substrate is a wafer in the semiconductor device fabrication, a completely new property is added by the coating process such as an electrical conductivity or a magnetic response and it forms an important part of thenished product. In blade coating process, the liquid coating is applied to the material which is to xxv be coated under the blade while the distance of the substrate to the blade deter- mines the coating thickness. In order to a ect the coverage, the blade may have di erent pro les and also may be angled. The blade coating process can directly meter the uid to moving web from the pond of the uid to be coated. The blade isxed or it can be exible and act as a spring. The pressure which is developed under the blade determines the precise position of the blade relative to the backup roll and so determines the coating thickness. In order to maintain this process an e ective, the coating of the liquid should be rather viscous. Then the coating is cured or dried to prevent it to be soaked through the fabric. The Lubrication approximation theory (LAT) is outlined along with its calcula- tions for the viscoelastic and viscoplastic materials. The expressions for velocity pro les, pressure gradient, pressure, coating thickness, Power input, shear stresses and load are obtained. The goal of our work is to develop di erent mathematical models to characterize the e ect of various materials on the blade coating process. The calculations of these values are very important and can be used for production purposes in various industries.