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Free research essays on topics related to: frequency

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  • Three And Four Reaction Rate
    859 words
    Title: Examining Some Properties of the Enzyme -amylase In this experiment a deeper meaning in the catalysts of reactions is studied. Catalysts accelerate chemical reactions without permanently changing the reaction. Enzymes, catalysts in biochemical reactions, are globular proteins which lower the activation energy needed to begin a reaction and therefore increase the rate at which efficient reactions can occur. Proteins (henceforth enzymes) are complex molecules made of amino acids in polypept...
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  • Coaxial Cable Road Runner
    479 words
    Road Runner is a software program that works for cable. The first commercial broadband online service was delivered to customers through a broadband fiber coaxial cable network in 1996. After 15 months after these initial launches, Time Warner Inc. and Media One announced their intention to create the nations largest broadband online business. What Road Runner delivers is blazing speed (one megabit per second), integrates compelling multimedia programming with the latest communication tools, ema...
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  • Capital Punishment Death Penalty
    852 words
    Capital punishment is the lawful infliction of the death penalty, and since ancient times, it has been used to punish a large variety of offenses. The penalty of death is reserved for the most serious and detested crimes. The legal system must sentence the death penalty to capital crime offenders. Criminals convicted of murder or rape need to be executed because they are dangerous to the world and the human race. However, America seems to to always want to put people in prison for life, but how ...
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  • The Bottle Nosed Dolphin
    1,135 words
    The Bottle-nosed Dolphin is the most studied and generally the best-known species of dolphin. Bottle-nosed dolphins are classified "Tursiops truncates" in scientific name, and belong to the family Delphinidae, in the suborder Odontoceti, order Cetacea. This animal is a very intelligent individual. Bottle-nosed dolphins are commonly found in zoos or marine parks because of their capability to perform tricks. They can jump through hoops 5 meters high because of their incredibly powerful tail. As w...
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  • Sample Size X X
    751 words
    Random Variable A random variable X is a rule that assigns a numerical value to each outcome in the sample space of an experiment. A discrete random variable can take on specific, isolated numerical values, like the outcome of a roll of a die, or the number of dollars in a randomly chosen bank account. A continuous random variable can take on any values within a continuum or an interval, like the temperature in Central Park, or the height of an athlete in centimeters. Discrete random variables t...
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  • Shifting Technology From Pagers To Cellular Phones
    1,159 words
    ... difference between analog and digital cellular? Commercials about a 100 % digital network scream from the TV. Print advertisements' black ink blare the magic of "digital" wireless services. More and more wireless services are touting the benefits of an all digital network. So what exactly is the big deal with digital and how does it compare to analog cellular technology? Here's a look at where digital and its predecessor cellular technology came from and where's it going so you can decide if...
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  • Socio Cultural Environmental Influences
    1,036 words
    ... lation-adjusted average employee wages falling from $ 42, 928 in 1978 to $ 37, 985 in 1988. About 20, 000 airline industry employees were laid off in the early 1980 s, while productivity of the remaining employees rose 43 % during the same period. In a variety of cases, bankruptcy filings were used to diminish the role of unions and reduce unionized wages. When Southwest began flying to three Texas cities, the firm had three aircraft and 25 employees. Initial flights were out of Dallas older...
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  • Radio Telescopes Radio Signals
    1,153 words
    SETI, or the Search for Extra-Terrestrial Intelligence, is the scientific search for signals, primarily radio signals, from outer space. It is based on the belief that we will hear extraterrestrials before we see. The organizations work has been going on ever since the 1960 s. The main tools the scientists / searchers use are radio telescopes and listening equipment. To understand this organization, one must first look at its rocky history, and its unique discoveries. The Beginning of SETI is re...
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  • Separation Of Church And State Homosexual Behavior
    865 words
    If you look up "homophobia" in the dictionary, it will probably tell you that it is the fear of homosexuals. While many would take issue with that definition, it is nevertheless true that in many ways, it really is a fear of homosexuality or at least homosexuals, as we will see in this essay. Homophobia is widespread in America, far more widespread than most heterosexuals realize, and it is far more subtle, too. The discrimination it inspires touches the lives of many Americans, not just gay Ame...
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  • Poor Quality E G
    875 words
    T he Identification of people using their dental records, mainly as radiograph images searches the database of Postmortem (PM) and ante mortem (AM) radiographs to determine the identity of the person associated with the PM image. We use a semi-automatic method to extract shapes of the teeth from the AM and PM radiographs, and find the affine transform that best fits the shapes in the PM image to those in the AM images. A ranking of matching scores is generated based on the distance between the A...
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  • Physical Violence National Survey
    526 words
    What concerns the theoretical framework and literature review conducted by Marilyn L Lanza, Robert A Zeiss, Jill Rierdan, the literature relevant to the issue was examined. However, the authors include no literature exploring the aspects the authors do not agree with. The authors took the theory of hierarchical violence as the issue to be further developed and examined as a basis for hypothesis to be tested. Considerable part of scientific publications from research conducted by Marilyn L Lanza,...
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  • Stress Hormones Mozart Music
    631 words
    The latest research demonstrates that music therapy has a variety of healing effects. A study was conducted on three separate coronary care units in hospitals. One group received only standard care, the second group practiced a form of meditation, and the third group listened to sedative classical and popular music. The patients who received only the standard care all showed high levels of stress hormones in their blood, and rapid heart rates. These are both undesirable reactions that can impair...
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  • Passively Managed Bond Funds Vs Actively
    1,402 words
    PASSIVELY- MANAGED BOND FUNDS Vs ACTIVELY- MANAGED BOND FUNDS 1. ABSTRACT The bond index fund seems to be growing concept in financial history. Investors in bond market is also gradually increasing. Though, bond index is gradually increasing in mutual fund market, only 3 % of all bond funds assets are in bond index funds, and most of these funds are held excessively by institutional investors, who sustain about 25 % of their bond fund assets in bond index funds. Information on price movements on...
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  • Central Nervous System Motor Control
    1,145 words
    Sport Skill Sports skill learning has always been concerned with the acquisition of new skills with practice. This emphasis has been blended somewhat with the field of motor control, so that the ideas about the how skills are learned and particularly how they are performed differently after practice were an important emphasis. The concern has been to understand the principles by which these new skills were acquired and to develop theories that would account for them. For example, Swimming is a c...
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  • Coronary Heart Disease Cost Effectiveness
    855 words
    The subject under consideration is the treatment of high blood cholesterol in Adults. Statins (reductase inhibitors HMG-CoA) are widely applied for treatment of hypercholesterolemia. Their inhibitory action is based on agonize in relation to reductase HMG-CoA, thus they reduce the LDL concentration to greater extend than other preparations lowering the level of cholesterol. Besides they normalize the concentration of triglycerides of the patients with hypercholesterolemia. Statins are easy to wi...
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  • Training Program Three Things
    616 words
    Designing Your Own Personal Training Program For the past year I have been hitting the gym five days a week, while taking the weekend off. I started training in the gym sophomore year of high school, but I quickly realized that my personal training routine was not a very good one. After searching through many magazines and talking to people around the gym I realized that there is no perfect routine, nothing is carved in stone when it comes to lifting. The key to lifting I have found is doing wha...
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  • Electric Charge Electric Field
    972 words
    Electric Water Heater And Piezoelectric Force Transducer Electric Water Heater And Piezoelectric Force Transducer What is a piezoelectric force transducer (or sensor)? A transducer is a device that transmits power from one system to another. In the case of the piezoelectric, they power comes in the form of electricity from a piezoelectric material acted on. Piezoelectricity may be described as the property of some materials that become electrically charged when subject to mechanical stress. Thes...
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  • Command Post Can Destroy Post Can Destroy Electromagnetism
    598 words
    Electromagnetism exists everywhere. When people drive, walk, or even go to the beach. However, due to the extreme complexity of the topic, electromagnetism has proven to be a subject studied by those who are crafty and willing enough to explore the domain. The ideas of electricity start from simple objects such as springs, coils and magnets that simply created a current for some sort of affect to either start or light some object. Now these theories have expanded to a point where our everyday li...
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  • Speed Of Light Degrees Celsius
    1,124 words
    The Properties of Light Applied to Fibre Optics One of the basic properties of light is that it travels in straight lines and can have it? s direction changed. This is the property which is applied to achieve the purpose of Fibre Optics which is to carry light from one place to another. The way this is done can be explained by the principle of refraction. This is the principle which governs the behaviour of light as it passes from one transparent substance to another. It states; if a ray of ligh...
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  • Green House Effect Effects Of Global Warming
    1,263 words
    Global Warming is a great climatic phenomenon. The earth s temperature is rising and it is due to human activities. This rise in Earth s overall average temperature may seem minor or even irrelevant, but it is problem that should be taken seriously by the people and governments of this planet. Global warming is a serious threat to man s well being that he has brought upon himself. Global warming is caused by the Green House Effect. The Green House Effect is a natural part of the earth s atmosphe...
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