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Free research papers and essays on topics related to: experiment

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  • Effect Of Blocking Cavities Experiment - 502 words
    Effect of Blocking Cavities Experiment Jared Matola Section 002 Team Members: Sam Liptak Matt Sudak Conducted: 2/10/99 Due: 2/17/99 Turned in: 2/17/99 at 8:00 Summary of Results: The purpose of this experiment was to demonstrate the effect that blocking cavities has in an injection mold on the process window and part quality. First we had to get a 95% full part. These parts were weighed before the hold pressure was added. The hold pressure was added and parts were weighed with the high, low, and optimum hold pressure. We also recorded the peak cavity pressure max, min, average, and standard deviation for the optimum parts. This procedure was repeated for the same mold with one blocked cavity ...
    Related: blocking, experiment, total cost, average weight, specifications
  • Experiment 1 - 741 words
    Experiment #1 Title: Logic Gates Objective: To analyze and become familiar with the operation of TTL Logic Gates. Equipment: Digital Trainer AND Gate (7408) NAND Gate (7400) OR Gate (7432) NOR Gate (7402) Procedure: 1) For each gate predict the output for all combinations of inputs. Write the truth table and describe the operation for the circuit. 2) Build each of the logic circuits to determine if it does operate as expected. Record the results. 3) Have it checked by the Instructor of Lab Tech. Diagrams AND Gate (7402) NAND Gate (7400) OR Gate (7432) NOR Gate (7402) Truth Tables AND Gate (7408) A B OUTPUT 0 0 0 0 1 0 1 0 0 1 0 1 NAND Gate (7400) A B OUTPUT 0 0 1 0 1 1 1 0 1 1 1 0 OR Gate (7 ...
    Related: experiment, tech, circuit
  • Filtered Speech Experiment - 298 words
    Filtered Speech Experiment Filtered Speech Experiment Purpose The purpose of the filtered speech experiment was to look for three things. The first was to see/hear which frequencies can be eliminated from speech signal and conversely which frequencies can not in order to understand speech. The second purpose was to learn more about sound filters; and the third was to understand what it is like to experience hearing loss. Instrumentation The instruments we used during this experiment were: 1) Low pass filter of the Coulbourn insrument 2) Tape recorder 3) Tape of two syllable words 4) Speaker (non-human) Methodology The experimenter selected an initial cut-off frequency of 1000 Hz on the low p ...
    Related: experiment, hearing loss, recorder, signal
  • Ph Lab Experiment - 916 words
    pH Lab Experiment By Jeff Price Biology 101- 011 Dr. Art Ellis 1 May 1997 Trident Technical College Charleston, South Carolina 29423 pH Lab Experiment Abstract: Upon hypothesizing that stomach medicines are useful in neutralizing the acidic affects of beverages when used properly an experiment was designed to test this theory. The experiment incorporated the use of white grape juice to be the acid, Maalox as the antacid, and red cabbage juice as the pH indicator. A control group was also formulated by substituting distilled water for the antacids. After mixing the solutions in separate test tubes, any changes were recorded. These changes were the indicators for the pH level of the mixture. T ...
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  • Social Experiment - 325 words
    Social Experiment I was at this rocking party last night. I decided to use this party as my social psychology experiment. I decided to use this, because there were a lot of people interacting with one another. As I viewed the area I could see many different clicks spread around the room. It looked like they were only talking to the people among their groups. The groups consisted of five or more girls and guys. I observed the different interactions among the different groups. As I looked around I could see that some groups were huddled in a corner chatting as other were running around dancing and having fun. The groups that were dancing seem like they were much more outgoing as the groups tha ...
    Related: experiment, social experiment, social psychology, dance
  • Stanford Prison Experiment - 928 words
    Stanford Prison Experiment Summary and Critique of The Stanford Prison Experiment The Stanford Prison Experiment of 1973 raises troubling questions about the ability of individuals to exist repressive or obedient roles, if the social setting requires these roles. Philip K. Zimbardo, professor of Psychology at Stanford University, began researching how prisoners and guards assume submissive and authoritarian roles. He set out to do this by placing advertisements in a local newspaper, stating that male college students would be needed for a study of prison life paying fifteen dollars per day for one to two days. Of the seventy-five responses, twenty-one were selected, half of them as "guards" ...
    Related: experiment, prison life, stanford, stanford university, primary goal
  • The Chemistry Of Natural Water Introduction The Purpose Of This Experiment Is To Explore The Hardness Of The Water On Campus - 1,158 words
    The Chemistry of Natural Water INTRODUCTION The purpose of this experiment is to explore the hardness of the water on campus. Hard water has been a problem for hundreds of years. One of the earliest references to the hardness or softness of water is in Hippocrates discourse on water quality in Fifth century B.C. Hard water causes many problems in both in the household and in the industrial world. One of the largest problems with hard water is that it tends to leave a residue when it evaporates. Aside from being aesthetically unpleasing to look at, the build up of hard water residue can result in the clogging of valves, drains and piping. This build up is merely the accumulation of the minera ...
    Related: campus, chemistry, experiment, explore, hardness, water quality
  • The Chemistry Of Natural Water Introduction The Purpose Of This Experiment Is To Explore The Hardness Of The Water On Campus - 1,069 words
    ... on this, we calculated the parts per million and the grains per gallon for each water sample. Finally, we took an AA reading for each sample. This gave us absorption values and concentration values for each of the two main metals we were observing; Ca++ and Mg++. We then plotted a graph of Atomic Absorption Standards. These were values given to us by the AA operator. These values helped us to calibrate the machine. The parts per million that we find will be based on plugging in the reported absorption value into the resulting curve from the graph of these values. The resulting concentration was used as the final value for the hardness for that particular sample. All calculations and con ...
    Related: campus, chemistry, experiment, explore, hardness
  • The Noble Experiment 1920 Prohibition - 445 words
    The Noble Experiment - 1920 - Prohibition In 1920 congress began what was called The Noble Experiment. This experiment began with the signing of the eighteenth amendment of the constitution into law. It was titled by society as Prohibition. Websters dictionary defines prohibition as: A prohibiting, the forbidding by law of the manufacture or sale of alcoholic liquors. Prohibition can extend to mean the foreboding of any number of substances. I define it as a social injustice to the human race as we know it. Prohibition was designed to rid the country of businesses that manufactured, sold, and or distributed alcoholic beverages. The eighteenth amendment made it a violation of the constitution ...
    Related: experiment, noble, prohibition, violent crime, eighteenth amendment
  • The Purpose Of This Experiment Is To Find Out If Video Games Affect Your Pulse Rate - 296 words
    The purpose of this experiment is to find out if video games affect your pulse rate. I predict that the more intense the game is, the higher the pulse rate will be. I believe this because in an intense game, you can get real nervous which would cause you to push the buttons very fast. Sony Playstation Sony Playstation Controller Cool Boarders 3 game Crash Bandicoot 2 game Gran Turismo game Final Fantasy VII game stop watch TV 1. Read resting pulse rate for one minute and record. 2. Repeat step 1 two more times and record. Also calculate the average pulse rate and record. 3. Insert a selected game and begin playing. 4. Play for 5 minutes. 5. Stop playing and read pulse rate for one minute. Re ...
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  • The Purpose Of This Lab Experiment Is To Understand The Uses Of Spectrophotometry This Experiment Concentrates On The Uses Of - 1,171 words
    The purpose of this lab experiment is to understand the uses of spectrophotometry. This experiment concentrates on the uses of the spectrophotometer, and using this instrument to specifically determine the absorption spectrum of a cobalt chloride solution, a galactose solution, and to determine an unknown concentration of a galactose solution. Modern biologists frequently use the measurement of light absorption to determine concentration of chemicals. The technique is called spectrophotometry. However, why is light absorbed? Light may be simply scattered by particles, but this is extremely important to the measurement of truly absorbed light. Light is the part of electromagnetic radiation to ...
    Related: experiment, electromagnetic radiation, sixth, cool
  • The Tuskegee Experiment - 1,211 words
    The Tuskegee Experiment The Tuskegee Experiment In 1932, in the area surrounding Tuskegee, Macon County, Alabama, the United States Public Health Service (PHS) and the Rosenwald Foundation began a survey and small treatment program for African-Americans with syphilis. Within a few months, the deepening depression, the lack of funds from the foundation, and the large number of untreated cases provied the governments reseachers with what seemed to be an unprecedented opportunity to study a seemingly almost natural experimentation of lantent syphilis in African-American men. What had begun as a treatment program thus was converted by the PHS reasearchers, under the imprimatur of the Surgeon Gen ...
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  • The Tuskegee Experiment - 1,213 words
    ... periment begun, the immorality of the experiment was blatantly apparent. Instead of obtaining consent from the participants, the PHS offered the men incentives to participate: free physical examinations, free rides to and from the clinics, hot meals on examination days, free treatment for minor ailments, and a gurantee that a burial stipend would be paid to their survivors. This modest stipend of $50.00 represented the only form of burial insurance that many men had (153). When the subjects were administered painful lumbar punctures in 1933 ( commonly known as a spinal tap where a needle is driven into ones vertebrate and fluid is suctioned from the spinal cord, a procedure that exposed ...
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  • Buckley Jr - 2,713 words
    1. WM. F. BUCKLEY JR. Last summer WFB was asked by the New York Bar Association to make a statement to the panel of lawyers considering the drug question. He made the following statement: We are speaking of a plague that consumes an estimated $75 billion per year of public money, exacts an estimated $70 billion a year from consumers, is responsible for nearly 50 per cent of the million Americans who are today in jail, occupies an estimated 50 per cent of the trial time of our judiciary, and takes the time of 400,000 policemen--yet a plague for which no cure is at hand, nor in prospect. Perhaps you, ladies and gentlemen of the Bar, will understand it if I chronicle my own itinerary on the sub ...
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  • Buckley Jr - 2,624 words
    ... alleviate the symptoms of glaucoma; to improve appetite dangerously reduced from AIDS. They use it as an effective medicine, yet they are technically regarded as criminals, and every year many are jailed. Although more than 75 per cent of Americans believe that marijuana should be available legally for medical purposes, the Federal Government refuses to legalize access or even to sponsor research. 2. Drugs are here to stay. The time has come to abandon the concept of a "drug-free society." We need to focus on learning to live with drugs in such a way that they do the least possible harm. So far as I can ascertain, the societies that have proved most successful in minimizing drug-related ...
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  • 100 Years Of History - 1,762 words
    100 Years of History CURRENT EVENTS: 1945-1996 1945 On April 12 Harry S. Truman became President of the United States of America., In Washington, D.C. On August 6 at 9:15 a.m. US fighter planes dropped an Atomic Bomb on Hiroshima Japan. In Berlin, Germany on April 30, Adolf Hitler was found dead, Hitler committed suicide. 1946 On October 16 in Nurenburg, 9 Nazi war criminals were hanged for the crimes during WW II. On April 25 Big Four Ministers met in Paris to finalize a treaty with Germany, to end WWII. In Austria Queens New York, on October 22, Chester Carlos tried his experiment that is commonly known as the Xerox machine. 1947 On November 20, in England, Queen Elizabeth gets married to ...
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  • The Psychological And Physical Aspects Of Drug Abuse In Today's Adolescence - 1,423 words
    "The Psychological And Physical Aspects Of Drug Abuse In Today'S Adolescence" "The psychological and physical aspects of drug abuse in today's adolescence" Unfortunately the abuse of illegal drugs is not uncommon in today's adolescent communities. Many teenagers today use illicit drugs as a way to deal with everyday pressures such as school, after school jobs, sports activities, domestic violence and peer pressure. Adolescence has been found to be a period of weakening bonds with parents and strengthening bonds with peers (Flay, 1994). Numerous states have experienced an increase in drug related deaths ( More than 1 in 10 of today's youth aged 12-17 were curre ...
    Related: abuse, adolescence, drug abuse, drug addiction, drug problem, gateway drug, psychological
  • A Philosopher Of Nature - 1,482 words
    A Philosopher Of Nature A PHILOSOPHER OF NATURE December 1, 1998 Paper # 2 Intro to Philosophy Fifty years ago the single greatest philosopher walked upon this earth. How can I be so dauntless as to refer to one man as The Greatest philosopher? The answer is simple. All philosophers ask questions. Few of these questions will produce earth-shattering revelations and even fewer will change the world. Out of the handful of philosophers who have made a difference in the world I can think of only one who has, by use of an amazing mind and knowledge of complex mathematics, changed the world forever. Albert Einstein was born in Ulm Germany on March 14, 1879, and spent his youth in Munich, where his ...
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  • A Vogadro Was Born On June 9, 1776 In Turin, Italy He Began His Career In 1796 By Obtaining A Doctorate In Law And Practicing - 596 words
    A vogadro was born on June 9, 1776 in Turin, Italy. He began his career in 1796 by obtaining a doctorate in law and practicing as a lawyer for three years after. In 1800, he began to take private lessons in mathematics and physics and decided to make the natural sciences his profession. He was appointed as a demonstrator at the Academy of Turin in1806 and the Professor of Natural Philosophy at the College of Vercelli in 1809, and in 1820, he was appointed the professor of mathematical physics. He was a physics professor but he also experimented in chemistry using mathematics to base most of his findings. Avogadro is well known for his hypothesis known as Avogadro's Law. His law states that a ...
    Related: doctorate, italy, obtaining, practicing, robert brown
  • Abortion Is A Subject Of Perception To Find A Clear Cut Solution Would Be To Commit Suicide Doctors Say That Candy Is Not Bad - 1,958 words
    Abortion is a subject of perception; to find a clear cut solution would be to commit suicide. Doctors say that candy is not bad, so long as there is not a consumption of it at one time. All things in life must be viewed through a reasonable, clear mind. To say abortion is good or bad is to look at it blindly. Abortion is not like racism or oppression where to look at one incident is to miss the point. Or if we look at the big picture we see the crime, and abuse. Abortion is by far a twentieth century invention or discovery, the only thing modern about abortions is the procedure. During the time of ancient Greece and Rome there have been writings of abortions. Abortions may be dangerous no, b ...
    Related: abortion, candy, perception, suicide, ancient greece
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