"Water quality and contamination lab report" Essays and Research Papers

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    Salmonella Contamination

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    as a prospective alternative bio-control method to control Salmonella contamination in a variety of foods. Bao‚ P. Zhang‚ H. Zhang‚ Zhou‚ L. Zhang‚ and Wang isolated two new lytic SE phages‚ (PA13076) and (PC2184)‚ using two host strains of Salmonella enteritidis (SE) ATCC13076 and CVCC2184. They evaluated the potential of the

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    Lab Report

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    Joe Schmoe Period 3 March 8‚ 2013 Lab Report: Empirical Formula of Zinc Chloride (ZnCl) * Purpose The purpose of this experiment was to learn how to determine the empirical formula. Empirical means “based on experimental evidence.” * Experimental Design The reaction that occurred was the reaction of the elements Zinc (Zn) and Chloride (Cl) by mixing a piece(s) of Zinc and 50mL of Hydrochloric Acid (HCl). The amount of Zinc was determined to be between 1.00g and 1.25g. As the reaction

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    following Aβ-injection [19]. 2.5. Behavioral test: Morris water maze (MVM) 2.5.1. Apparatus The Morris water maze test was conducted as described [20‚ 21]. The maze consisted of a circular pool (200 cm in diameter) filled with water (23±2°C) to a depth of 40cm. The circular pool divided into four arbitrary quadrants. A transparent Plexiglas platform (the only escapable thing from the water) 10cm in diameter was submerged 2cm underneath the water surface at the midpoint of one quadrant. There were many

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    Lab Report

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    nearest 0.001 g and record it in the data table in the back of the laboratory workbook. 3. Then we determined the volume of the unknown solid by water displacement. We first filled a 100mL graduated cylinder about 1/3 of the way with water and we recorded the volume to the nearest 0.1mL. We carefully slid the unknown solid into the cylinder with water. We then recorded the new volume and subtracted the two recordings equaling the volume of the unknown. 4. We then calculate the density by dividing

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    The purpose of the study was to determine the quality of the Ottawa River and identifying any human activities that may affect water quality by sampling for benthic invertebrates‚ measuring the water temperature‚ testing for pH‚ turbidity‚ dissolved oxygen‚ examining the odour‚ colour‚ and appearance of the water‚ the amount of grasses‚ shrubs‚ trees‚ and known uses of the waterway. Description: Various human activities that may affect water quality include municipal wastewater‚ urban stormwater

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    Food Contamination

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    The Center for Disease control has estimated that illnesses directly resulting from food contamination cause approximately 76 million illnesses‚ 325‚000 hospitalizations‚ and 5‚000 deaths each year in the United States. The rise of food-related illnesses can be mostly attributed to increased eating out. Half of every dollar spent on food in this country is spend on food prepared outside of the home. As the amount of people involved preparing our food rises‚ so does the risk of contracting an illness

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    Lab Reports

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    Lab report is one way we used during of after an experiment in a laboratory to subtly record and discuss the experiment. During a lab‚ we sometimes can observe only the physical part of the experiment‚ or may be some visible chemical changes. These changes indicate that the experiment we do is successful or not. However‚ in order to understand and achieve more from just simply doing the experiment‚ we write lab report to more profoundly understand the internal meanings of the experiment we do‚ and

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    Natural Water Lab

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    Pennsylvania State University Lab Report on Experiment 10- The Chemistry of Natural Waters Introduction What is water hardness? Water is extremely important to all living things and even to non-living things‚ indirectly. Therefore‚ the way water travels and gets to a place is also extremely important because its transportation methods determine the chemicals that get involved and added into the water as it travels. This relates to the hardness of water. The hardness of water is basically caused by the

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    lab report

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    Criteria 6 8 10 Title Your lab report has a Title that is directly related to the lab experiment/ exercise. Your group or class must be able to come up with your own title You must make your own title based on scientific theory Aim You have clearly stated your aim Your aim is relevant and informative You must make your own aim based on scientific theory Background background information relevant to the lab experiment/ exercise You must be able to link your aim to the background The

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    QUALITY OF BOTTLED WATER PRODUCED BY WATER REFILLING STATIONS TABLE OF CONTENTS APPROVAL SHEET i ACKNOWLEDGEMENT ii LIST OF TABLES v ABSTRACT vi CHAPTER I INTRODUCTION Background of the Study 1 Related Studies 3 Statement of the Problem 6 Objectives 6 Conceptual Framework 7 Significance of the Study 9 Scope and Delimitation 9 Definition of Terms 9 CHAPTERII METHODOLOGY

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