GROWTH AND YIELD RESPONSE OF CHINESE CABBAGE (Brassica rapa chinensis) USING LED LIGHT‚ UV LIGHT AND FLUORESCENT LIGHT BULB AS A SOURCE OF LIGHT A High School Thesis Presented to the Research Committee and Submitted to Mrs. Luzviminda M. Bago In partial fulfillment of the Requirements in the Subject Research II By: Nidera‚ Jeffrey A. Garcia‚ Jill Anne Ruth V. Trampe‚ Mariel Petals P. Dasmariñas National High School IV-Galileo Special Science Curriculum S.Y. 2011-2012
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There Be Light” 18 November 2013 Finding the Medium between Happy and Healthy The authors Douglas J. Lisle PH.D. and Alan Goldhamer D.C. wrote the book‚ The Pleasure Trap: Mastering the Hidden force that undermines Health and Happiness‚ to reveal to people how to live healthy yet happy lives. The authors did an adequate job of revealing to their audience how sleep is an important aspect to our happiness. They are able to do this by connecting Thomas Edison’s invention of the light bulb to the lack
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kinds of artificial light sources for photography Light‚ is the main ingredient in a photograph. There are of course other ingredients: time‚ composition‚ subject matter‚ emotion and your unique style‚ but light is the thing that makes photography work. Light is the thing that early inventors had to hold or fix‚ in order to make a photograph stick around. We call nature’s light‚ natural or available. Think of sunlight or moonlight. There are four common types of artificial light sources used in photography
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5/2/2006 Aim: Does the resistance of a filament bulb change as the bulb gets brighter? Hypothesis: I believe that a filament bulb will have an increasing resistance depending upon the current passing through it. Equipment: *Power Supply *Wires *Ammeter *Voltmeter *Filament bulb with holder *Alligator clips *Switch Method: 1.Set up the circuit according to the schematic diagram 2.Use the alligator clips to connect the filament bulb to the voltmeter 3.Connect the power supply to the electricity
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Lights‚ Camera‚ Action. Light it up. As the popular Soca song goes‚ ‘Let me see you light up the Air’. Or Vybz Kartel’s song says ‘Light the Weed’. All focused around the presence of light. We cannot see without light‚ so in this regard‚ light illuminates our path. For this reason we ensure that our surroundings are fitted with lightbulbs. We cannot function in school or work or in life if there isn’t some measure of light. I’m here to enlighten you about the choice that you will face when purchasing
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LIGHT EMITTING DIODES Light Emitting Diodes are electronic components that use the flow of electrons to excite materials into emitting photons of light. A diode is a basic electronic component that allows electricity to flow one way only. The discovery of "light emitting" diodes we believe was an accident sometime around 1907 when a diode in an early radio transmitter was noticed to glow when in use. Incandescent bulbs use resistance in a filament to impede the flow of electricity‚ heating
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of Light on Snapdragon Flowers Introduction: It is a well-known fact that plants need light for nourishment‚ yet many people are ignorant of the reasons behind this. The biological process by which green plants utilize carbon dioxide‚ water and sunlight to form their own food is called photosynthesis (unknown). Past research has demonstrated that red and blue rays maximize this process (Rothenburger‚ 1993). The purpose of this experiment was to examine the effect of several different light sources
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Sun light vs articical light One of the main benefits of artificial light is that you can control how many hours of light per day your plants receive. This way‚ those living in northern or southern latitudes can provide their plants with light for growth and development even when the sun sets early‚ in essence tricking the plants into believing that it is summertime and that they should continue to grow rather than become dormant or‚ in the case of annuals‚ die. In addition‚ your plants will receive
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Benefits of LED Lighting * extremely energy efficient‚ consuming up to 90% less power than incandescent or halogen bulbs and up to 50% less than fluorescent or CFL. * less heat emission‚ therefore loading on air conditioners is reduced resulting in further electricity savings. * long life span thus reducing maintenance and lamp replacement costs and lower long-term operating costs. * environmentally friendly as they do not contain toxic mercury or any other hazardous materials. Secondly
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- 21 VIII. Controls p. 21 -22 IX. Executive Summary p. 23 - 24 X. References p. 24 I. Introduction What is LED light? With a view to creating a better quality of light and saving energy LED light has entered the light industry. Full form of LED is light emitting diode. The concept of LED is pretty simple. Like every other diodes‚ LED is made of semiconductor filled with impurities from Group IIIA and GROUP VA elements‚ creating
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