CHAPTER 1 – GENERAL INTRODUCTION 1.1 Origin of Radon and Exposure Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive‚ colorless‚ odorless‚ tasteless noble gas‚ occurring naturally as the decay product of uranium. Radon is a gas produced by the radioactive decay of the element radium. Radioactive decay is a natural‚ spontaneous process in which an atom of one element decays or breaks down to form another element by losing atomic particles (protons‚ neutrons‚
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starving 12 albino mice for 12 hours‚ each mouse received 0.2 mL of their respective extract. After one hour‚ each mouse was given 0.2 mL charcoal meal which is composed of 20 mL castor oil‚ 10 mL coconut oil and 2 g activated carbon. After another hour‚ the mice were all sacrificed by chloroform and dissected to get the intestines. The distance traveled by the charcoal was divided by the total length of the intestines and data was subjected to statistical tests. ACKNOWLEDGEMENT
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driving pressure correspond to in the body? You correctly answered: d. an increase in blood pressure Experiment Data: Run Number 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 Solute Na+ ClUrea Glucose Powdered Charcoal Na+ ClUrea Glucose Powdered Charcoal Na+ ClUrea Glucose Powdered Charcoal Na+ ClUrea Glucose Powdered Charcoal MWCO 20 20 20 20 50 50 50 50 200 200 200 200 200 200 200 200 Pressure 50 50 50 50 50 50 50 50 50 50 50 50 100 100 100 100 Filter Rate 1.00 1.00 1.00 1.00 2.50 2.50 2.50 2.50 10.00 10.00 10.00
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“blackened” is associated with darkness. Later in the novel‚ Bradbury writes‚” [The firemen] and their charcoal hair and soot-colored brows and bluish-ash-smeared cheeks…” (33). In this quote‚ the words “charcoal”‚ “soot-colored”‚ and “bluish-ash-smeared” all have to with darkness. In the first quote‚ the word blackened refers to the pages of books that have been burned. In the second quote‚ the words “charcoal”‚ “soot-colored”‚ and “bluish-ash-smeared” refer to the colors of the men that have been burning
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REV: MARCH 2‚ 2012 The Orthopedic Motor Market: Minnesota Micromotors‚ Inc. and Brushless Motor Technology Minnesota Micromotors‚ Inc. (MM)‚ based in Minneapolis‚ was a manufacturer of brushless‚ direct current (BLDC)1 motors used in orthopedic medical devices. Devices utilizing MM’s motors were typically used by orthopedic surgeons in large bone surgery‚ reconstructive surgery‚ trauma surgery‚ and sports medicine procedures. MM sold approximately 97‚000 motors a year and had a 9% share of the $137
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dissolve in water and also how dissolved ions of different compounds react with each other and finally examine the final product for the presence for ions. Materials- Sheet of Paper Lead (II) Nitrate Potassium Iodide Deionized Water Filter Paper Charcoal Matches Equipment- Clean dry spatula Small Beakers Glass stirring rod Ring stand Funnel Tweezers Bunsen Burner Small Test Tubes Safety- During this lab we are dealing with some dangerous chemical including Lead Nitrate‚ Potassium Iodide. In this
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The Nazi Party was not started by Adolf Hitler. But‚ without this popular politician‚ neither Hitler or the Nazi Party would have grown to be as big a success without one another. Hitler became a part of the Nazi Party or National Socialist German Workers’ Party in 1920. The Nazis called for the union of all German citizens to end the suffrage of what the Treaty of Versailles was doing to their country. This treaty stated that the country of Germany was to pay war damages to the countries who
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Complementary Interventions Proposal Form Prepared By: Heritage Student Center Date Prepared: November 17‚2012 Country: Philippines Activity Title: WHOLE SALE/ RETAIL STORE; RICE‚ SUGAR‚ COOKING OIL & CHARCOAL Location/Project: ANTIPOLO CITY Total Number of Direct Beneficiaries: 13 FAMILIES Number of Direct Child/Student Beneficiaries: 18Registered Children Number of Direct Adult Beneficiaries: 13 Adult Total Budget: Php 262‚000.00 Local Contribution: Php25
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matter which type is smoked there will be a high carcinogen uptake as well as other chemical resulting in a higher chance of developing cancer and lower cilia beat rates. This experiment took two cigarettes; one with a paper filter‚ and the other with charcoal filter. By taking mollusk gills and placing them in contaminated water from the two different smokes it could be seen that the cilia on the gills had a slower beat rate then cilia that were not in the contaminated water. This supported the hypothesis
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found more in the light illuminating fire crackers. Levels of SO2 and RSPM (respirable suspended particulate matter) was found marginally higher on Diwali day. Crackers‚ which use large quantities of sulphur and paper‚ spew out sulphur dioxide and charcoal into the air‚ also lead and other metallic substances are suspended in the air causing respiratory problems Considering these facts‚ bursting of crackers is prohibited in silent zones i.e. near hospitals‚ schools and courts. NGOs and environment
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