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Free research essays on topics related to: frequency

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  • Parent Child Relationship Marijuana Usage
    1,200 words
    ... - 0. 22 Mother Similarity-Youth - 0. 33 Mother Emulation-Youth - 0. 37 Father Emulation-Youth - 0. 20 +p 0. 1; p 0. 05; p 0. 01; p 0. 001. This table consists of only the scales significantly related to the adolescent marijuana usage with the exception of father AIDS. From the table above, we see that the greater the fathers marijuana usage the more frequent his child will use marijuana. A close parent-child mutual attachment, the more admiration, affection, warmth, and child-center ness the...
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  • The Function Of Female Orgasm
    2,011 words
    This is something I wrote while I was at college about a year ago and it details some new research that has been published about the possible purpose of the female orgasm, which I think is pretty interesting... It's pretty dry and academic in tone and contains some fairly specialist language, but most of it should be pretty clear to most people. If anyone has a question or wants some more information on this kind of thing, mail me: Does the female orgasm have a function and, if so, what is it? T...
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  • Motion Picture Movie Camera
    873 words
    Cinematography: Everything You Need To Know (sin-uh-muh-the'-ruh-fee) Cinematography is the technique and art of making motion pictures, which are a sequence of photographs of a single subject that are taken over time and then projected in the same sequence to create an illusion of motion. Each image of a moving object is slightly different from the preceding one. Motion-picture projector projects the sequence of picture frames contained on a ribbon of film, in their proper order. A claw engages...
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  • Team Leaders Production Process
    877 words
    To address the seat problem, we would focus on finding out why there are so many defects in seat installation and production. Is it because of the supplier of the part? Or are the problems due to Toyota? Doug should also determine whether the process of installing and manufacturing the seats is allowing Toyota to efficiently identify the cause of problems and breakdowns. As the Toyota plant Manager we would focus our attention on the following areas: a) We will investigate the engineering change...
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  • Food Chain Laser Light
    895 words
    LIGHT: A FUNDAMENTAL FORCE IN OUR WORLD If asked what light is, one could say that it's one of the most basic elements of our world and our universe as we perceive it. It is through sight that we receive 90 % of our information. It is through the use of telescopes aiding the naked eye that we are aware of the heavenly bodies around us. It is through light that the energy from the sun is transferred to us. The sun's energy supports the food chain; plants use it to turn water and CO 2 into energy ...
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  • Speed Of Light Time Of Day
    1,333 words
    Our view of the sky at night is possible because of the emission and reflection of light. 'Light' is the better-known term for the electromagnetic spectrum, which includes waves in the visible, ultra-violet, infra-red, microwave, radio, X-ray and gamma-ray regions. The scale of the spectrum is so large that no region is distinct, several overlap each other. Each of these regions in the electromagnetic spectrum represent transverse waves, travelling as electrical and magnetic fields which interac...
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  • Temperature And Betula On The Holy Range Massachusetts
    1,890 words
    Temperature and Betula distribution on the Holyoke Range, Massachusetts In this study, it will be tested whether temperature affects tree densities in the genus Betula on different slopes of the Holyoke Range, specifically the north and south faces of the mountain range. My prediction is that the north face of the mountain will have a higher density of these trees than the south face of the range because of the temperature differences of the north slope being warmer than south slope for the rang...
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  • American Psychiatric Association Tourette Syndrome
    1,599 words
    ... disorder. 40 to 60 % of children with ADHD grow up to have symptoms as adults. (Shimberg, 1995, p. 62) More than 10 million Americans are thought to have ADHD. 2 out of every 3 children with Tourette syndrome also complain of tactile sensitivity. This is called sensory integrative disorder, and is not uncommon in TS, although tactile sensitivity is found in those who do not duffer from TS. Sensory integration disorder is characterized by hypersensitivity of the senses. It can be misinterpret...
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  • Nucleic Acids Hydrogen Peroxide
    2,152 words
    Several rare electrophoretic variants of red cell catalase were identified by Baur (1963). Nance et al. (1968) also described electrophoretic variants. Data on gene frequencies of allelic variants were tabulated by Roychoudhury and Nei (1988). Wieacker et al. (1980) assigned a gene for catalase to 11 p by study of man-mouse cell hybrid clones. In the hybrid cells, detection of human catalase was precluded by the complexity of the electrophoretic patterns resulting from interference by a catalase...
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  • How Safe Are Mobile Phones
    973 words
    Millions of people own a mobile phone these days, and ever since they have been around scientists question the fact of they are safe or not. Do they cause tumors, earaches, mercury poisoning? All these health risks are mentioned in every article I found. But nowhere could I find anything that was sure if mobiles did cause all of the above. This is where science fails us. The problem is that mobile phones are still too new to know the long-term effects on human. Mobile phones give of a radiation ...
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  • Evidence To Support Area Of Study
    2,092 words
    ter> Grave Offenses vs. Tendentious Misconstruals The David Abraham Case The historical field concerning the Weimar Republic, Germany's parliamentary government during the interwar years, is not only an extremely sophisticated area of study, but an extremely competitive one as well. In the early eighties, a much heated and unprecedented scholarly dispute arose surrounding The Collapse of the Weimar Republic, written by David Abraham at the time, a fledgling historian and assistant prof...
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  • Ad Hoc Electronic Devices
    603 words
    Today computer technologies are rapidly developing, which allows millions of people around the globe to work faster and more conveniently. Bluetooth is the wireless networking initiative that is led by the worlds most advancing information technologies companies such as Ericsson, Intel, Nokia, IBM, Toshiba, Lucent and others. The creation of Bluetooth is a remarkable advance towards the development of new approaches in information technologies industry. Bluetooth was originally created by Ericss...
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  • Wide Variety High Frequency
    1,386 words
    Intrusion Detection Systems When it comes to protecting the security of assets, organizations have many options to choose from. From basic alarms to the varied sensors that are available, there are many variations on security, and organizations should make a thought out choice based on the specific needs and dangers of its location, as well as any other factors including what needs to be protected, and from whom. These needs will determine the type and scope of the system to best protect against...
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  • Market Demand For Microchip I D In Mexico
    858 words
    Market Demand for Microchip I. D. in Mexico First of all I would like to note that most usual microchip ID is an implantable, 12 mm by 2. 1 mm radio frequency device about the size of the point of a typical ballpoint pen. Each microchip will contain a unique identification number and other critical data. Utilizing an external scanner, radio frequency energy passes through the skin energizing the dormant microchip, which then emits a radio frequency signal transmitting the identification number a...
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  • Compact Disc Digital Audio
    1,384 words
    Audio Format Wars By: Sheldon Khan Before buying a new car, getting married, or adopting a new audio format it is wise to ask a few questions, peer under the hood, and ask the advice of someone you trust. Will the new format satisfy your needs not only now but, also in the future? Will it look (and sound) as good on all the mornings after you first met? The analogue cassette is an old and trusted versatile friend that went with you on those morning jogs and cruised in the car with you on Friday ...
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  • Ultraviolet Rays Gamma Rays
    343 words
    I went to Hawaii on vacation to get a tan, but I got something else instead. Ultraviolet rays are stronger, and hotter near the equator. When I got home I got x-rays. I was sent for treatment with gamma rays. Wow! What a vacation. It was so hot that I had to jump into a pool just to cool off. Ultraviolet rays have wavelengths between 10 nm and 430 nm. They also have a very high frequency of about 10, 000, 000, 000, 000, 000 Hz. - 1, 000, 000, 000, 000, 000, 000 Hz. Photon energy emissions are al...
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  • Hearing Loss Paying Attention
    1,121 words
    The ear is the organ of hearing and balance in vertebrates. The ear converts sound waves in the air, to nerve impulses which are sent to the brain, where the brain interprets them as sounds instead of vibrations. The innermost part of the ear maintains equilibrium or balance. The vestibular apparatus contains semicircular canals which in turn balance you. Any movement by the head, and this apparatus sends a signal to the brain so that your reflex action is to move your foot to balance you. The e...
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  • Long Term Effects Mobile Phones
    898 words
    Millions of people own a mobile phone these days, and ever since they have been around scientists question the fact of they are safe or not. Do they cause tumors, earaches, mercury poisoning? All these health risks are mentioned in every article I found. But nowhere could I find anything that was sure if mobiles did cause all of the above. This is where science fails us. The problem is that mobile phones are still too new to know the long-term effects on human. Mobile phones give of a radiation ...
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  • Null Hypothesis Sleep Deprivation
    1,977 words
    Statistics are used Statistics Introduction Statistics are used everyday in life, and are very important in the everyday world. One important use of statistics is to summarize a collection of data in a clear and understandable way. For example, if a psychologist gave a personality test measuring shyness to all 2500 students attending a small college, How might these measurements be summarized? There are two basic methods: numerical and graphical. Using the numerical approach one might compute st...
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  • One Of The Most Common Amino Acids
    1,323 words
    Genet Phenylketonuria: Pku Danielle Woods Genet 351, K. Owens Research paper Phenylketonuria: PKU Phenylketonuria also known as PKU once had irrevocable and detrimental damage to the people it effected. Babies that were born with the genetic disorder were certain to suffer from severe mental retardation and behavioral disorders because no one knew what was causing the symptoms. Until 1934 when a biochemist and doctor named A. Following from Norway discovered the disease through urine testing. (M...
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