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17 Aug 2010
doc

Boiling point determination experiment

Thesis - 2 pages - Physics

In this experiment, we investigated a physical property called the boiling point. The objective of our experiment is to measure the boiling point of an unknown liquid by using only a small amount of that liquid, and then we compare the boiling point to the boiling points of the three liquids:...

16 Aug 2010
doc

Einstein and the evolution of physics

Thesis - 2 pages - Physics

In this paper, we will try to understand in brief the physical concepts by Einstein and the basics of their creation and operation. At the forefront, Einstein dismisses the notion that science and ideas are the perfect reflection of reality. Physical concepts are creations of the human mind which...

13 Aug 2010
doc

Caps and their influence on wine

Thesis - 7 pages - Physics

The cap is a cylindrical piece usually used as bottle stoppers. Historically, it was used by the Greeks and Romans to seal jars. Despite its history, the cap disappeared for over a thousand years and reappeared in the late nineteenth century in the form of cork. Today bottle caps are made of...

13 Aug 2010
doc

Manufacturing process of optical fiber

Thesis - 5 pages - Physics

The initial studies in optical networking were undertaken in the 1970's. It was discovered that a glass fiber encased in an opaque sheath was capable of transmitting data at a speed higher than that of light. The optical fiber is thus one of the greatest technological advances in the area of...

11 Aug 2010
doc

Acidosis, alkalosis and genetics

Thesis - 3 pages - Physics

These two terms are used to describe the unusual conditions when a patient's blood pH is not within its healthy range. It measures how acidic the blood is. It is normal for pH to fall between 7.35- 7.45 as this will make sure that metabolic processes function properly. There are situations...

06 Aug 2010
doc

Experiment: Computational chemistry lab

Thesis - 5 pages - Physics

Using AM1 and ZINDO molecular modeling, we calculated the excitations energies of four thiacyanine dyes DTC, DTCC, DTDC, DTTC to be 430nm, 485nm, 544nm, and 600nm. Using UV?Visible Absorption Spectroscopy, in a previous lab we determined that the absorption wavelengths were 422nm, 544nm, 655nm,...

06 Aug 2010
doc

Experiment: Magnetic susceptibility measurements of solids lab

Thesis - 4 pages - Physics

Nine of a possible eleven solid complexes were tested for magnetic properties using a magnetic susceptibility balance. From this data, the number of unpaired electrons were calculated using an estimate value of ?(1+ ?eff2)-1. These experimental numbers were compared to the calculated number of...

06 Aug 2010
doc

Atomic force microscopy lab: An experiment

Thesis - 5 pages - Physics

Atomic Force Microscopy (AFM) methods were used to characterize two samples in two different modes. Contact mode was used to characterize a zinc oxide sample and tapping mode was used to characterize a grating sample. The distance between the grating lines was calculated to be 1.173?m. The two...

05 Aug 2010
doc

Aristotle on physics: Chance and causes

Thesis - 2 pages - Physics

Aristotle's view of Physics seems to emerge out of the primary question of “Why?” Similarly, “Why do things; does anything happen?” I'm aiming to direct my paper more to the philosophy of “chance”, however to reach that aspect I must first identify the other...

29 Jul 2010
doc

The synthesis of tert-pentyl chloride

Thesis - 3 pages - Physics

Synthesis of new compounds serves important practical purposes. The pharmaceutical industry continuously seeks and develops new compounds as potential drugs for treating disease. The agricultural industry also relies on synthesis to produce new organic chemicals for weed, pest, and fungi control....

29 Jun 2010
doc

Sorption and desorption of chromium in bentonite and kaolinite mixtures

Thesis - 6 pages - Physics

Chromium sorption in soil occurs under different conditions based on the oxidative state of the Cr ion. Variety of factors is influencing the sorption of Cationic Cr III in sub surface environments. In this study, sorption of Cr III has been studied in mixtures of different percentages of...

16 Jun 2010
doc

Fibers and their importance

Thesis - 4 pages - Physics

Communication is the key to the existence of mankind. In the field of telecommunication, the horizons are constantly expanding. In this regard, the optical fiber is a wonder tool in the field of telecommunication. We are aware of the fact that light has a tendency to spread in a straight line,...

24 May 2010
pdf

FMS layout optimization using metaheuristic

Thesis - 6 pages - Physics

Today, Flexible Manufacturing System (FMS) seems to be a very promising technology as it provides flexibility, which is essential for highly competitive, dynamic and change in manufacturing environment. Layout of an industry is the key for productivity. To improve productivity, manufacturing lead...

10 May 2010
pdf

Local short term wind speed estimation using back propagation algorithm

Thesis - 14 pages - Physics

Apart from weather forecasting, wind speed prediction is required to estimate atmospheric effects on telecommunication systems such as satellites in launch, electromagnetic signal propagation in wireless channel, inland and water vehicle navigation, air traffic control, missile guidance etc. Wind...

10 May 2010
pdf

Water distribution system optimization using Tabu search

Thesis - 4 pages - Physics

Water distribution systems are complex interconnected networks that require extensive planning and maintenance to ensure the required quantity of water is delivered at the required demand nodes. Good maintenance practices can extend the life of water distribution system components and optimal...

29 Apr 2010
pdf

An adaptive incremental fuzzy controller for output voltage regulation of boost converters

Thesis - 5 pages - Physics

In this paper an adaptive incremental fuzzy controller (IFC) for output voltage regulation (OVR) in DC-DC boost converters is proposed. The method, first determines a base duty cycle (BDC) for nominal system parameters and voltage regulation specifications, to which, fractional duty cycle...

29 Apr 2010
pdf

Deploy robust data transmission over the noisy channel

Thesis - 2 pages - Physics

The secret data is encrypted and permutated using the chaos method. Experiments show the good quality of the stego-image and resistant against the various noise attacks (Like Salt and Pepper). At the same time, the proposed algorithm exhibits good encryption speed, less computations and excellent...

28 Apr 2010
pdf

Adopting dynamic self tuning fuzzy worked on output voltage regulation of DC-DC buck converters

Thesis - 4 pages - Physics

In this paper a dynamic self tuning fuzzy controller scheme is proposed for output voltage regulation of DC-DC Buck Converters and is verified by means of simulation. The proposed fuzzy controller scheme adapts the scale factor of its output variable depending on the continuous measurement of...

20 Apr 2010
pdf

Preparation and analytical investigation of electrodeposited nickel aluminum oxide composite coatings

Thesis - 11 pages - Physics

Composite coating methods play a major role in enhancing the life of the components by improving the wear resistance of the surface coating used. Electrodeposited composite coatings consist of a metal matrix with either a ceramic or cermets particle addition which represents the new development...

20 Apr 2010
pdf

Vendor selection under uncertainty

Thesis - 6 pages - Physics

Vendor selection is of strategic importance to companies. This paper uses fuzzy tools for vendor selection to improve decision-making (DM) through a more systematic and logical approach. Expert opinion is portrayed by allocating different fuzzy weights to the linguistic data in the form of...

15 Apr 2010
pdf

Bacteria foraging based algorithm for optimum economic load dispatch with non-convex loads

Thesis - 11 pages - Physics

An algorithm based on Bacteria Foraging (BF) was developed to solve the problem of finding the optimum load allocation amongst the committed units in power system with non-convex loads. The performance of the proposed algorithm is evaluated on a test case of 15 units. The performance of the...

15 Apr 2010
pdf

Reliability based design of spur, helical and bevel gears

Thesis - 4 pages - Physics

The concept of reliability is greater importance in the design of various machine members. As reliability is now an exceedingly important aspect of competitiveness, there is need to design reliability into products. Conventional engineering design uses a deterministic approach. It disregards the...

14 Apr 2010
pdf

Analysis of energy efficiency, throughput and packet delay for both non-persistent and p-persistent CSMA when two nodes collide

Thesis - 7 pages - Physics

Power efficient wireless technologies are being developed to combat the finite battery power in wireless portable computing devices. This paper investigates energy efficiency, throughput and packet delay for non- persistent and p-persistent CSMA, two protocols popularly applied in current...

14 Apr 2010
pdf

Biometrics guards for vehicles

Thesis - 7 pages - Physics

Recent Reports on the auto industry trends states that the car industry is growing at a rate of 8% world over. The Indian car segment is scaling a growth rate of more than 10 -20 percent. This growth has also resulted in growth of one more Industry the car theft industry as more the number of...

14 Apr 2010
pdf

Non conventional energy sources i.e. wind power (Use of power electronics in wind energy for obtaining the stability)

Thesis - 7 pages - Physics

The role of induction generators and power electronic converters for energy conversion system is significant. Self-excited induction generator (SEIG) in stand- alone application provides a significant reduction in system operating costs due to fact that wind power is freely available. SEIG also...

14 Apr 2010
pdf

Renewable energy: Achievements and potentials

Thesis - 3 pages - Physics

The potential of non-conventional energy sources is enormous as they can in principle meet many times the world's energy demand. Renewable energy (non-conventional) sources such as small hydro power, biomass, wind, solar, and geothermal can provide sustainable energy services, based on the use of...

14 Apr 2010
pdf

Implementation of circular lattice model for cyclostationary process

Thesis - 4 pages - Physics

to implement the circular lattice structure which comes under the area of statistical signal processing. The circular lattice structure can be used with wavelets, multi-rate signal processing systems. FPGAs perform the computation of different coefficients of the circular lattice model....

13 Apr 2010
pdf

Non conventional energy

Thesis - 5 pages - Physics

The sun, wind, water & bio-mass are either Perennial or renewable sources of energy. Any or more of these sources are available in almost each part of the country. These available sources can be utilized effectively for useful purpose through technological means. Bio-mass is renewable energy...

13 Apr 2010
pdf

Wake up fresh alarm system clock generator unit

Thesis - 10 pages - Physics

Sleep is the regular state of natural rest observed in all human beings. Melatonin is a hormone that our body generates to help sleep. The quantity of the same varies in our body in context to the stage of our sleep. It was studied that melatonin is dependent on the ambient intensity of light....

12 Apr 2010
pdf

Study of dental-disease identification in digital radiographs using feature extraction

Thesis - 4 pages - Physics

Conventional film radiography, CT scan, digital radiograph etc. are different imaging modalities which support diagnosis of dental diseases. Amongst all latest advancements digital radiography is more comfortable technique in terms of its interpretation. Image enhancement technique is a right...