Sciences Essay Examples and Topics. Page 22

4,745 samples

Corrosion Inhibition in Oil and Gas Pipelines

Internal factors lead to corrosion of the inner surfaces of pipelines, whereas external factors cause the destruction of the outer surfaces of pipelines in what is known as external corrosion.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1190

Genetic Male Pattern Baldness

Vertex hair loss: Vertex hair loss can be observed on the top of the head which is crown area and does not touch the hairline of the forehead.
  • Subjects: Genetics
  • Pages: 10
  • Words: 2770

Differentiating the Fungal Phyla

Traditionally, the kingdom Fungi consists of four phyla known as Ascomycota, Basidiomycota, Chytridiomycota, and Zygomycota, though the classification of the fungi has shifted tremendously in recent decades to include Glomeromycota as a new phylum for [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 667

Bitter Taste Receptors Critical Review: A Focus on Tas2r38

The researchers are fascinated by the ability of this compound to be detected by the taste buds of certain individuals and remain undetectable by others. 1To this end, the compound is of profound interest in [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1096

Solar Energy: Review and Analysis

Available literature shows that most commercial CSP plants in Spain and the United States using synthetic oil as the transfer fluid and molten salt as the thermal energy storage technology are able to achieve a [...]
  • Subjects: Astronomy
  • Pages: 3
  • Words: 855

Can a Nuclear Reactor Explode Like an Atomic Bomb?

The fact is that a nuclear reactor is not designed in the same way as an atomic bomb, as such, despite the abundance of material that could cause a nuclear explosion, the means by which [...]
  • Subjects: Physics
  • Pages: 2
  • Words: 652

Chemical Transection Analysis

It has been demonstrated that most neurotoxins affect the cell bodies of neurons in both the PNS and the CNS. The delayed neuropathy has been attributed to demyelination of axons and phosphorylation of esterase in [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 550

Drosophila Melanogaster: Centriole Reduplication

The aim of this study is to understand the mechanism of regulation that affects the centrosome duplication which will be a valuable funding for understanding of the cell behavior and preventing mechanisms of the cell [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 773

Estimating Single Population Parameters

There are two types of CIs, that is, interval estimate and point estimate, and both of these can be used to estimate the mean for a population sample.
  • Subjects: Math
  • Pages: 4
  • Words: 859

Rapid Flow Cytometer Test Importance

Second, the protocol was modified by raising the temperature required for labeling the bacterial cells."The third modification was the addition of 0 8% ethylenediaminetetraacetic acid to the A31 buffer used in the pretreatment of milk [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 554

Simple Detection of Pseudomonas Cells in Milk

The research conducted shows that it is possible to identify small amounts of pseudomonas cells in milk when on-chip flow cytometry is preceded by FISH, in a time frame of 16 hours.
  • Subjects: Biology
  • Pages: 2
  • Words: 638

Evidence-Based Research Methodology in Searching

In relation to prevention, the article indicates that the guide that is provided to the evidence based care is essential in preventing development of pressure ulcers.
  • Subjects: Scientific Method
  • Pages: 3
  • Words: 867

Sergei Natanovich Bernstein: A Prominent Mathematician

Nevertheless, in spite of all the hurdles placed before him, Serge Natanovich Bernstein persevered and in the process contributed to the development of mathematics in particular and humanity in general.
  • Subjects: Math
  • Pages: 4
  • Words: 1198

Real-World Applications of Mathematics

The world of mathematics is much diversified with the two common and simplest sequences to work with being the arithmetic and geographic sequences.
  • Subjects: Math
  • Pages: 2
  • Words: 536

Double Inverted Pendulum as a Control System

The determination of the amount of noise produced during the measurement process is a key factor that has been suggested in the construction of actual systems. Another approach was the use of robust control techniques.
  • Subjects: Physics
  • Pages: 2
  • Words: 588

Biosphere: Sydney in Australia

Due to the rapid growth in the population and the rate of industrialisation in Sydney there has been an imbalance between the green spaces and the building open spaces.
  • Subjects: Biology
  • Pages: 5
  • Words: 1508

Root Modifications in Cyperaceae Species

In fact, low phosphorus and nitrogen supply in soils initiates the formation of these structures; with increase in supply of phosphorus and nitrogen leading to suppression in dauciform root formation. Caustis blakei is one of [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 557

The Concept of Connecting Devices

The second objective of this laboratory experiment was to display and measure the common mode characteristics of a bipolar long-tailed pair differential amplifier.
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 543

Cigarette Smoking Side Effects

Nicotine is a highly venomous and addictive substance absorbed through the mucous membrane in the mouth as well as alveoli in the lungs.
  • Subjects: Biology
  • Pages: 2
  • Words: 603

Meaning and Aspects of Cyclotrons

Some examples are discussed in the following document which details the mathematics of cyclotrons and the behavior of ions that form the main focus of the study.
  • Subjects: Physics
  • Pages: 18
  • Words: 4894

Inayatullah’s Triangle: Space Tourism

One of the major problems of space tourism is the fact that human bodies cannot adapt quickly in outer space as it does on Earth.
  • Subjects: Space Studies
  • Pages: 2
  • Words: 536

Anti-Corruption Strategies in Kazakhstan

On the backdrop of the notion that corruption is an international issue of concern5, the aim of this paper is to evaluate the success of anti corruption strategies in Kazakhstan.
  • Subjects: Countries Studies
  • Pages: 27
  • Words: 6939

Nano-Particles in the Current World

The pollution of the environment by nano-particles takes place with the increase of the metal minute particles in the air, when the concentration of the particles rise above the recommended concentration levels.
  • Subjects: Physics
  • Pages: 3
  • Words: 982

Algebra: Y-Intercept and X-Intercept

The x-intercept is where the graph crosses the x-axis while the y-intercept is where the graph crosses the y-axis. The x-intercept is the point along the x-axis and the y-intercept is the point along the [...]
  • Subjects: Math
  • Pages: 2
  • Words: 655

Pygmy-Possum Burramys Parvus: The Effects of Climate Change

The study will be guided by the following research question: In what ways will the predicted loss of snow cover due to climate change influence the density and habitat use of the mountain pygmy-possum populations [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 892

Organic and Inorganic Compounds

Dry Ice if put in water, starts melting, and soon it becomes gaseous, as the temperature of CO2 increases. If it is placed in a bottle, the gas pressure tears the walls of the bottle.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 542

Measurement of the Rate of Glycolysis Using Saccharomyces Cerevisae

The experiment was designed to investigate the impact of temperature on the rate of Glycolysis. The experiment results demonstrated that the rate of Glycolysis increases as temperature increases which resulted in the acceptance of hypothesis [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1607

Recovery Plan For Manorina Melanotis — Black-Eared Miner

Due to a decline in number in the 1980s, the bird was declared as an endangered species under the Australian Environment Protection and Biodiversity Conservation Act 1999 and the International Union for Conservation of Nature.
  • Subjects: Biology
  • Pages: 6
  • Words: 1675

Physiological Differences Between Males and Females

Although the males have bigger muscles than the females, the latter have better blood flow during exercise, and use one hundred percent of the fibers in their muscles as compared to the former who use [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 557

Sex Determination in Amphibians

Precisely, the dissimilarity between the sex chromosomes entails the sizes of the chromosomes, the patterns of binding, the centrometric index, the heterochromatin characterization as well as the transcription loops of lampbrush chromosomes.
  • Subjects: Biology
  • Pages: 3
  • Words: 908

Commiphora Molmol and Boswellia Papyrifera Plants

The next step in the experiment was also significant in ensuring the chemical components in the extracts are known and that the anti microbial activity is attributed to each of them separately.
  • Subjects: Biology
  • Pages: 3
  • Words: 823

How Serotonin Affects the Brain and Addictions

The purpose of this paper is to discuss the effects that serotonin has in the brain and how it interacts with other chemicals in the body Serotonin is an indoleamine chemical secreted by the brain [...]
  • Subjects: Biology
  • Pages: 20
  • Words: 5618

X-Ray – Radiation for the Benefit of Humans

The focus of the x-ray machine is then directed towards the area that the doctor is interested in and during this time the radiations are ejected from the machine.
  • Subjects: Physics
  • Pages: 5
  • Words: 1547

Development of Amperometric Biosensors

2 The significance of amperometric biosensors which determine glycolic acid in real samples lies in the fact that they are the first enzyme based biosensors which have a lot of potential.
  • Subjects: Scientific Method
  • Pages: 5
  • Words: 1173

Experimental Studies on Williams Syndrome Disease

Here, it is expected that the results of the three experimental studies will point out the major predisposing factors in the development of WBS particularly the gene deletions involving the 7q11.
  • Subjects: Genetics
  • Pages: 2
  • Words: 983

Researches of Proctoeces Maculatus

For a long time classification of the trematode has been a controversy among the research community due to the various morphological forms of the species that have been identified.
  • Subjects: Biology
  • Pages: 3
  • Words: 899

Observing Orientation Behavior in Planarian Dugesia SP

The alternate hypotheses were that planarian Dugesia sp.shows response to gravity and that planarian Dugesia sp.shows response to light. The Chi-Square statistics for both tests were significant and therefore the null hypotheses, the planarian Dugesia [...]
  • Subjects: Physics
  • Pages: 3
  • Words: 1688

Identification of Lactose-Fermenting Enterobacteriaceae

The other group, the non fermenting bacteria consist of some genera such as Serratia and Haffina. The aim of this experiment is to study Escherichia coli and Klebsiella pneumoniaea both of which are lactose fermenting [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1496

Molecular Components of the DNA Molecule

The DNA serves as storage of the genetic information in the form of codes. The DNA polymerase is the enzyme that is responsible for the combination of the phosphate and the nucleotide.
  • Subjects: Genetics
  • Pages: 3
  • Words: 821

Evidence of the Evolutionary Process

The unearthing of fossils and their study, biogeography which informs us of similar species of trees and animals in various parts of the world and the reasons for such an eventuality, embryology and the study [...]
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 2032

Nanotechnology and Nanoink

The same thing is expected to happen the moment the general public begins to have access to nanotechnology. There is also a need to analyze if it can hinder the flow of electricity and other [...]
  • Subjects: Physics
  • Pages: 5
  • Words: 1294

FRET Detection or DNA Molecules

It is for this reason that the method is possibly applicable in the DNA sequencing methods that are composed of single molecules and these are viewed as belonging to the "next-generation".
  • Subjects: Genetics
  • Pages: 2
  • Words: 610

Benthic Macroinvertebrate

The sampling of Macroinvertebrate constitutes a very important aspect of analyzing a habitat due to the fact that Microinvertebrates are fundamentally vital in defining the health of streams where they habour.
  • Subjects: Biology
  • Pages: 5
  • Words: 1756

Development of the Chimpanzee Pancreas

This review will show the development of the chimpanzee pancreas, the anatomy of the fully developed pancreas including its histological cellular components, the molecular interactions that regulate the development of the pancreas, and discuss a [...]
  • Subjects: Biology
  • Pages: 7
  • Words: 1736

Statistics in the Credit Department

The ratio of loan default for the customers with A level to postgraduate and those who lack formal education to GCSE is 3: 4.
  • Subjects: Statistics
  • Pages: 2
  • Words: 757

Museum Genetic Presentation

When this condition is violated, the population is opened allowing individuals to move from one population to another hence creating a net flow of genes which results to genetic variations and consequently, to evolution.
  • Subjects: Genetics
  • Pages: 4
  • Words: 1141

Uses of Statistical Information

High school and seeks to explain how it is used, the four levels of measurements and their use in the school, examples of descriptive and inferential statistics, and finally the advantages associated with accurate interpretation [...]
  • Subjects: Statistics
  • Pages: 2
  • Words: 728

Process of Gene Expression

One of the major mechanism through which gene expression is altered is addition where a base pair is added to the normal sequence hence changing the specificity of the protein that the code specifies.
  • Subjects: Biology
  • Pages: 4
  • Words: 1123

Genetic Information in the Trosack Case

The purpose of this essay is to integrate genetic information in the Trosack case to ensure that the patients can deal with the genetic basis of the disease in their child.
  • Subjects: Genetics
  • Pages: 9
  • Words: 2530

Evolution Development: Introducing New Species

The collection of relevant information gave the basis for the introduction of the organism about the evolutionary development and analysis of the characteristics typical of already existing species.
  • Subjects: Biology
  • Pages: 7
  • Words: 2135

History of Pythagoras Theorem

The elementary components of the theory are believed to have been discovered and utilized by the ancient Babylonians, and probably the Chinese approximately 1000 years before Pythagoras proved the theorem in about 500 BC.
  • Subjects: Math
  • Pages: 5
  • Words: 1370

Environmental Microbiology Overview

When managed properly in accordance with the five principles of good management, they provide a number of benefits that include: Detoxification of wastewater Capturing renewable resources such as energy and water Sensing pathogens in the [...]
  • Subjects: Biology
  • Pages: 12
  • Words: 3298

Fire Development, Growth, and Spreads

The amount of air entrapped is determined by the location of the fuel package in respect to the compartment walls as a result affecting the magnitude of cooling that occurs.
  • Subjects: Physics
  • Pages: 10
  • Words: 2657

An Effective Hazard Management

Given the transportation of the substance in molten form, there is the likelihood of violent reaction with other substances like water and hence result in explosions in addition to producing gases that are flammable.
  • Subjects: Chemistry
  • Pages: 11
  • Words: 2968

UNESCO Paper: The Grand Canyon National Park

The springs and seeps out of the canyon walls sustain eleven percent of the plants in the park. In some of the management activities, local citizens and volunteers have been involved.
  • Subjects: Geography
  • Pages: 6
  • Words: 1732

Magnetic Resonance Imagery: Theory and Practical Applications

The purpose of this article is to detail the theory behind the functionality of the MRI, its standard operation, the various advantages and disadvantages associated with its usage, as well as the basic construction of [...]
  • Subjects: Physics
  • Pages: 5
  • Words: 1374

Telescopes: What Are Their Uses?

Since the dawn of time, Man has looked up in to the sky and wondered what is beyond the realms of this planet.
  • Subjects: Space Studies
  • Pages: 5
  • Words: 1155

Fuel Cell and Remote Pumping Station System Problem

This paper describes the increased use of hydrogen as a source of renewable energy, the working of a fuel cell, how the system interacts with its internal components and the environment and the working of [...]
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1862

Flagella Protein Isolation: Scientific Experiment

Intra-flagella transport revealed in a model of both membrane and non-membrane bound flagellar protein shuttling between the cytoplasm and flagellar compartments. Here interaction between the proteins and intra-flagella transport takes place.
  • Subjects: Biology
  • Pages: 4
  • Words: 1016

The Evolution of Vertebrae Teeth

The process of teeth like projections on the body of vertebrates evolving into teeth is clear in some type of sharks where the scales present on the body of the shark change to form teeth [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1108

Artemia sp. Preference of Light Intensity

The first trial in which 17 Artemia were used, 18 replicates of the 2 minute observation by three members of the group each showed that the lowest intensity of 313 Lux, which was the darkest [...]
  • Subjects: Zoology
  • Pages: 3
  • Words: 1067

Evolutionary Analysis of Asymmetric Limits

The aim of the paper is to discuss the principles of asymmetric limits, and the way they influence reproductive success as well as the sexual selection of the species.
  • Subjects: Biology
  • Pages: 2
  • Words: 561

Process Intensification in Heat and Mass Transfer

Process intensification in heat and mass transfer is achieved particularly in chemical systems by optimizing molecular energy in gases and liquids involved in the reaction and heat transfer processes.
  • Subjects: Physics
  • Pages: 17
  • Words: 3807

Light and Sound: Physics in the Arts

Surround sound improves the quality of the sound produced and incorporates the listeners more. In addition, surround sound improves live concerts done on CD/DVD by positioning the listener in the hall, while the show is [...]
  • Subjects: Physics
  • Pages: 5
  • Words: 1441

Electronic Application of Inorganic Polymers

Most inorganic polymers come with different properties and characteristics hence the reason why they are used in different ways and for different things.
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1786

Invertase Enzyme: Description and Role

One of the crucial enzymes in the food industry is external invertase from Saccharomyces cerevisiae. The key functional state of the external invertase is a homodymer with a molecular mass of 270 kDa.
  • Subjects: Biology
  • Pages: 4
  • Words: 1151

Backyard Bird Feeding Study

This type of feed is meant to attract different types of birds as many birds will find their favorite seeds in the blend.
  • Subjects: Biology
  • Pages: 3
  • Words: 921

Fluid and Gas Mechanics

The variations of pressure affect the normal functioning of the body, resulting to negative and positive impacts. Atmospheric pressure is the force exerted on the earth's surface of a body by the influence of weight.
  • Subjects: Physics
  • Pages: 3
  • Words: 828

The Concept of DNA Cloning

In the approach based on cells both the replicating molecule or the biological vehicle known as the vector and the foreign DNA fragment are cut using the same restriction enzyme to produce compatible cohesive or [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1238

Artemia Spp and Light Intensity

The Artemia spp makes use of compound eyes as the light perceptive organ to distinguish any magnitude of light in its neighboring.
  • Subjects: Biology
  • Pages: 2
  • Words: 668

Biot- Management Laboratory: Rat GLP

The vehicle for the test item was water and the test item was in powdered form, 98% pure and was stored below -200C and had an expiry date of Aug 2011.
  • Subjects: Biology
  • Pages: 7
  • Words: 1951

OECD-GLP Guidelines: Toxicological Tests

During and after the duration of exposure, the observational studies, biochemical analyses, hematological tests, and histological studies that were conducted on the rats show that the biological responses in the rats did not differ significantly [...]
  • Subjects: Biology
  • Pages: 7
  • Words: 2275

Artemia sp.: Morphology and Lifecycle

The male possesses a pair of the posterior penis, while the female has a conspicuous brood pouch located behind the thoracopods.
  • Subjects: Zoology
  • Pages: 2
  • Words: 686

Non-Inertial Reference Frame and Its Implication

As explained by the Einstein relativity concept, this form of motion does not fundamentally obey the provided laws of physics, instead, a fictitious force should be introduced in order for the motion to be determined [...]
  • Subjects: Physics
  • Pages: 3
  • Words: 931

Evolutionary Biology: Sleep Patterns in Mammals

This synthesis addresses the question of the origin of sleep in mammals and traces this phenomenon by studying the evolution of the mammalian brain and suggesting possible external factors that affect sleep patterns.
  • Subjects: Biology
  • Pages: 13
  • Words: 3539

Classification and Naming of the Biological Species

The genus and species names are written in italics, with the genus name starting with an upper case letter and the species name starting with a lower case letter, e.g, Homo sapiens, Phyllomedusa callidryas, Toxicocendron [...]
  • Subjects: Biology
  • Pages: 11
  • Words: 1160

Advanced Pathophysiology: Genetic Technology

In accordance to Tay-Sachs disorder, the specialist is likely to provide the following information: the origin of the disorder, what factors contribute to the occurrence of the disorder, characteristics of the disorder, treatment if available [...]
  • Subjects: Genetics
  • Pages: 6
  • Words: 1952

Review of the Affinity Column Method

The binding of the molecules to a solid phase can be done using the column chromatography in which the "solid medium is packed into the column and the initial mixture run through the column to [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1806

Stability of Structures: Analysis of a Frame

In analyzing the frame, the account is taken of the effect of axial load on the flexural stiffness of compression members.t is noted in the question that the frame is braced against side sway, and [...]
  • Subjects: Math
  • Pages: 6
  • Words: 734

The Use of Qualitative Methods in Program Evaluation

In the evaluation of a program, the qualitative measurement may not essentially provide tangible or quantifiable characteristics but still, it is a vital area in terms of methods used to evaluate a program.
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 553

The Importance of Proof in the Mathematics Discipline

However, he asserts that the theorem is of incredible significance in the mathematical study as it embodies the idea of mathematical proof, that is proving of geometrical statements in particular.
  • Subjects: Math
  • Pages: 2
  • Words: 755

Crossover Complexes of Iron Coordination Compounds

The mean linear distance of the nitrogen-iron bond at a temperature of two hundred and ninety-four Kelvin is 2.17. Another area of importance in regard to low and high spin states is the effect of [...]
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1681

Process of Converting Bauxite Into Aluminium

Therefore, with the help of a refining process, Alumina is extracted from bauxite which in turn is converted into Aluminium metal with the help of smelting process. The process of refining the metallic ore in [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 965