Modified Winkler method for dissolved oxygen determination Abstract In this study the group has determined the presence of oxygen in sample through a modified winkler method. The amount of oxygen is determined through a series of reaction. A body of water can sustain life if dissolved oxygen is sufficed. Depletions in dissolved oxygen can cause major shifts in the kinds of aquatic organisms found in water bodies. Introduction The amount of dissolved oxygen present in water or wastewater is
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Related Study Inventory systems maintain information about activities within firms that ensure the delivery of products to customers. The subsystems that perform these functions include sales‚ manufacturing‚ warehousing‚ ordering‚ and receiving. In different firms the activities associated with each of these areas may not be strictly contained within separate subsystems‚ but these functions must be performed in sequence in order to have a well-run inventory control system. In today’s business environment
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Complex permanent tissue A complex permanent tissue may be classified as a group of more than one type of tissue having a common origin and working together as a unit to perform a function. These tissues are concerned with transportation of water‚ mineral‚ nutrients and organic substances. The important complex tissues in vascular plants are xylem‚ phloem. Complex permanent tissue is heterogeneous tissue which is formed of two or more than two types of mature cells of common origin which coordinate
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Alkylbenzene (LAB) Complex Petrochemical Petrochemical Introduction Linear alkylbenzene (LAB) is the most common raw material in the manufacture of biodegradable household detergents. LAB is produced using normal paraffins as a raw material. Normal paraffins are derived from straight run kerosene. UOP offers processes‚ catalysts‚ adsorbents and equipment for the production of LAB from kerosene or normal paraffins. The processes can be utilized in combination in a new complex or retrofitted
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Tutorial preparation No6 To be posted on Studynet by Tuesday 10th March 9 AM Read Chapter 2 of the course book ‘Global Perspectives in Business’ PAGES 40-57 and your lecture notes. Task 1: What is the difference between ethnocentricity and the self-referencing criterion? (150 words) Ethnocentricity is defined to be a tendency to use one’s own culture as the standard to judge and evaluate other cultures. In other words‚ taking an ethnocentric point of view means using one’s understanding
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Experiment 6 Preparation and reactions of boric acid Objectives: To prepare boric acid from sodium tetraborate (borax) To carry out tests on the prepared sample of boric acid To study the physical and chemical properties of boric acid Introduction: Boron is an element in the p-block of the periodic table. It has the electron configuration of 1s22s22p1 and is in group 3 or goup 13 (IUPAC classification). In nature‚ it consists of two isotopes 10B (19.6%) and 11B (80.4%). Boron is bonded
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Sydne Weber AP Lit/comp Period 5 Frank O’Connor’s “My Oedipus Complex” Is a piece of literature concerning the generalization of competition within male family members‚ the lack of affection within them‚ and the shift of relationship between family members. The medium of “My Oedipus Complex” is short story‚ with the generic constraint being prose. The author uses evidence to show the volatile relationship the protagonist‚ Larry‚ and his father share. These two members persistently try to
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HS 130 Unit II Seminar Option II Kaplan University The heart is the organ that supplies blood and oxygen to all parts of the body and is connected with the circulatory system. It pumps blood throughout the blood vessel by contractions. The male’s heart weight between 9 and 11 ounces and the female’s heart weighs about 11 to 12 ounces (Bradley‚ 2013). A person’s blood pressure has major effects on their heart where high blood pressure is a major risk factor for a heart attack. When the heart
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Cuong Vo Esl 34x Professor Dowling 14 April 2013 An unhappy father. In the story My Oedipus Complex by Frank O’Connor‚ it relates a small’s boy world turned differently when his father returns home from the war. The story is written from a child’s point of view; therefore‚ it appeals enigmatic aspects of the characters to the audience. In my opinion‚ the father is a real victim of the main conflict between his son‚ Larry‚ who usually annoys him most of the time instead of respecting him‚ and
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Keira Zhao 赵思琦 Don Woods Academic Writing 12‚ April‚ 2011 In China: Changes in Virginity Complex “A girl will never have an enjoyable family life if her husband finds out that she is not a virgin when they marry.” That’s what my mom has been telling me again and again since high schools. At first‚ I assumed that they were the reality. However‚ I have found myself caught in confusion when I saw movies or TV series crossing the line‚ when I heard conversations in which boys sounded indifferent
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