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The subject of Signals and Systems is enormously complex, involving
many concepts such as signals, mathematics and filter design that
are woven together in an intricate manner. To cope with this scope
and complexity, many Signals and Systems texts are often organized
around the "numerical examples" of a system. With such
organization, students can see through the complexity of Signals
and Systems, they can learn about the distinct concepts and
protocols in one part of the communication system while seeing the
big picture of how all parts fit together. From a pedagogical
perspective, our personal experience has been that such approach
indeed works well. Based on the Authors extensive experience of
teaching and research, the book is written with such a reader in
mind. The Book is intended for a course on signals & systems at
the senior undergraduate level and above. The authors consider all
the requirements and tools used in analysis and design of discrete
time systems for filter design and signal processing. Key features
of the International Edition: * The extensive use of MATLAB based
examples to illustrate how to solve the signals & systems
problems. The textbook includes a wealth of problems with
solutions. * Worked-out examples have been included to explain new
and difficult concepts and to expose the reader to real-life signal
processing problems. The inclusion of FIR and IIR filter design
further enriches the contents of the book.
Challenging behavior in students is a world wide
problem.Challenging behavior is a vexed issue in rural areas of
Pakistan.There are so many causes behind challenging behavior in
students.Poverty and illiteracy of parents are one of the
fundamental causes of challenging behavior in the world. The book
focuses on the nature and causes of challenging behavior in
secondary school students in Pakistan. The book reflects the
management strategies to overcome the challenging behavior.The work
will be significant for the academicians, researchers,
psychologists and parent
The book contains the numerical problems/examples on Electricity
& Magnetism & Circuit theory to meet the requirements of B
Sc(Pass) & B S(Hons). This manual is a comprehensive and well
written in accordance with the latest revised syllabus prescribed
by the HEC, Pakistan. It provides a thorough understanding of the
concept of all types of numerical problems selected from the widely
used referenced books and previous examinations papers. The
contents of this book is a detailed and systematic presentation of
all chapters according to approved syllabus given electrostatics,
electric fields, Gauss's law, capacitance and dielectrics, DC
circuits, the magnetic field and the magnetic fields due to current
etc.
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The Osteoporosis (Paperback)
Tahir Rasool Qamar, Muhammad Aamir Iqbal, Muhammad Nasir
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R1,643
Discovery Miles 16 430
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Ships in 10 - 15 working days
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The present surveillance study was conducted to assess the
prevalence of bone mineral density disorders in relationship with
modification in lifestyle and dietary habits. On the accomplishment
of the study, correlation and association between bone mineral
density and nutritional risk factors (carbonated beverages, tea,
calcium supplements, milk/dairy products, green leafy vegetables,
meat products, legumes & cereal consumption) and
non-nutritional risk factors (socioeconomic status, gender, age,
BMI, physical activity, education, smoking & chronic maladies)
were assessed. The results of study revealed that several
modifiable and non-modifiable risk factors were associated in the
development of osteoporosis. According to research findings, people
are moving towards the sedentary lifestyle and calcium-enriched
diets are not commonly consumed. However, the trend of carbonated
beverage consumption has replaced the traditional use of dairy
products; consequently, osteoporosis is becoming more prevalent.
Observations also revealed that low socioeconomic status are also
contributing in the prevalence of osteoporosis.
The advent of multicore processors has put the performance of
traditional parallel programming techniques in question. The
traditional lock-based parallel programming techniques are error
prone and suffer from various problems such as deadlocks,
live-locks, priority inversion etc. In the last one and half
decade, a considerable amount of the research has been carried out
to achieve the synchronization among the parallel applications
without using locking. One of most promising technique which has
come out as a result of this research work is Transactional Memory
(TM). Transactional Memory system commits the data in atomic code
sequences called the transaction. In order to understand the design
and implementation trade-offs of different implementations of the
Software Transactional Memory, a comprehensive comparative study is
required. Although some comparative studies have been carried out
in the past, they were very focused in their scope and covered only
few STM implementations. In this report, a qualitative literature
survey is conducted and the state of the art in Software
Transactional Memory is presented, covering prominent approaches to
date.
Matri (Lathyrus sativus) is a low cost and indigenous leguminous
crop. we use matri protein isolate as protein source.
Physico-chemical, sensory characteristics of infant formula were
determined. The product was packed in polyethylene bags and stored
at room temperature for a period of 90 days and analysis of the
product were done at every 30 days interval. Statistical analysis
revealed a non-significant effect of treatments and storage on
moisture of infant formula. Statistical analysis revealed that
storage had significant effect on the pH and acidity of infant
formula, whereas treatment and their interaction effect were found
to be significant. All the four treatments showed a significant
difference for the pH values of infant for formula. Acidity of
infant formula is 1.1 % at the start of the study which
significantly up to 1.6 at 90 days of storage period. Statistical
analysis revealed that the treatments had a non-significant effect
on Protein, Fat, total sugars content and ash of infant formula. On
the other hand, storage as well as the interaction between
treatments and storage showed a non-significant effect on the all
parameters content of infant formula.
The significance of legumes in human diet, as substitute way for
protein requirement to meet the demand in lesser agricultural
production countries, rising prize of animal protein along with
quickly growing population, shapes the extensively high production
of legumes with legume base products are particularly vital.
Besides, the carrying evidence for overwhelming the malnutrition,
legumes own good quality of protein, fiber and mineral contents,
optical and functional properties are also dynamic for upcoming
commercial practices like novel food formulations, supplementation,
infant formulas, product development and functional/ nutraceutical
foods.
The Active Pharmaceutical Ingredients (API) is functional
ingredients of a drug that acts against diseases. In other words,
the active ingredient(s) in a drug or medicine are the substances
that produce intended pharmacologic effects which might be positive
or negative. The quality and safety of the drugs depends on API and
new chemical entity development entirely depends on it. Most of the
pharmaceutical industries buy API from other manufacturing units.
Therefore, it becomes mandatory to check quality of APIs and other
raw materials. In the present study, assessment of the level of
APIs in local drugs and microbial quality of water used in
Pakistani pharmaceutics were studied. The present study found that
twelve (n=12) drugs being analyzed for their APIs concentration
were within acceptable level. These drugs include mefenamic acid,
pyrental pamoate, lignocaine hydrochlorid, ephedrine hydrochloride,
cimetidine, aspirin, metronidazole, salbutamol, sulphamethoxazole,
trimethoprim, benzyl benzoate and dexamethasone.The obtained
results were statistical different for different drugs (P 0.05).
However, no significant differences were found within drugs
groups."
Maize germs from six promising hybrids were characterized for
chemical composition. Oil was separated from germ and evaluated for
cake preparation. Defatted maize germ (DMG) flour was subjected to
biological and safety evaluation. DMG flour was then blended with
wheat flour in different combinations; evaluated for functional,
textural and rheological behavior. Flour blends were further used
to develop value-added products like bread and cookies. MGO was
successfully incorporated in cake recipe with high sensory quality.
Defatted maize germ flour being considerable source of protein,
dietary fiber and minerals was found to be safe having good
biological assay. DMG flour also resulted in improvement of
functional properties of DMG flour- wheat flour blends; revealed
its worth in food preparations. Protein and fiber enriched cookies
and breads were prepared up to 15% wheat flour substitution with
DMG flour. Consumer response to purchase defatted maize germ flour
fortified cookies was generally very positive; showing its worth in
food formulations.
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