describes the cause of the actual trauma itself. Requiring the person to be exposed to or threatened by death‚ injury or sexual assault. This criterion also states that the exposure can be “directly or indirectly witnessed”‚ meaning that it happens to a relative or friend who experienced the trauma. Criterion B is labeled “Intrusion Symptoms”‚ the reexperiencing of the traumatic
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even if the melting point temperatures are in the same range with biomass fuels. Coal or peat is co-fired with biomass in many multi-fuel fired boilers. The woody biomass ashes are in general much more reactive than the ashes of fossil fuels. Lower reactivity of coal and peat ashes is connected to a composition with mainly quartz and various silicate-based minerals‚ like aluminium silicates‚ calcium silicates and alkali silicates‚ and iron oxides. Calcium and al kali in these minerals are not in free
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Q3: Describe and discuss the durability properties of hardened concrete. Durability is the ability of concrete to handle deterioration from the surroundings or at the service in which it is placed. The most important things that cause rust could be divided into two chemical and physical causes. The Chemical durability complications are disturbed with countless formulae reactions of cement-aggregate. On the other hand In the physical durability aspect problems are concerned from the aggregates
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The purpose of this experiment was used to identify the chemical changes a substance undergoes by knowing some of its chemical properties like (Change in color‚ producing bubbles and gas‚ precipitation‚ conductivity). The aim of today’s lab was to help us identify different households and their components‚ they contained whether they were acid/ base‚ because most of the households are based on those solutions like (i.e. Acetic acid = Vinegar = CH3COOH can be used in cooking) or bases solutions
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concentration is 100% because the more the substrate‚ the faster the enzyme can bind to it. Based on the data above‚ all four hypotheses were proven correct. Based on the graph and data table‚ the optimal temperature for sucrase was 37°C because it had a reactivity score of 4‚ meaning it was very reactive. For the pH test‚ based on the graph and data table‚ the optimal pH was in fact ranged from 3-7. This means that any pH from 3-7‚ gives the highest rate of reaction to sucrase. The denatured test was proven
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DFT calculations provide significant informations on stable geometry‚ vibrational tendency‚ interaction behavior‚ reactive nature and possible local reactive sites of a molecular system. The local reactivity descriptors pave the understanding towards the interaction between biologically privileged molecular systems‚ and establish the correlation between the biological system and material science which leads to the search of new pharmaceutical compounds
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Results and Conclusion of the Research Process HCS/465 Results and Conclusion of the Research Process The title of this research study is Stressful life events and the tripartite model: Relations to anxiety and depression in adolescent females. The study was investigated by Jeremy Fox‚ Leslie Halpern‚ Julie Ryan‚ and Kelly Lowe (2011). This paper will expand on previous information reported‚ which included the background and methodology of the research study
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Though cis-platin is highly effective‚ its counterpart trans-platin is counterintuitively not (7). Trans-platin is highly reactive with the environments that lead to reaching the DNA‚ and this reactivity results in the totality of the administered compound becoming deactivated prior to reacting with the DNA (9). Also the DNA lesion caused by cis-platin on the 1‚2 intrastrand crosslinks between adjacent purines is an act that trans-platin cannot do when looking from a stereochemical perspective (9)
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SIGMA-ALDRICH sigma-aldrich.com SAFETY DATA SHEET Version 5.0 Revision Date 21.05.2013 Print Date 12.08.2013 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING 1.1 Product identifiers Product name : Paracetamol Product Number Brand : : P0300000 Fluka 1.2 Other means of identification no data available 1.3 Relevant identified uses of the substance or mixture and uses advised against For R&D use only. Not for pharmaceutical‚ household or other uses. 1.4 1.5
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Oxidation Lab Part 1: Purpose: You are going to investigate the ease with which different metals undergo oxidation and reduction. Materials: | 4 samples of each of: lead‚ zinc‚ iron‚ copper | spot plates steel wool/sand paper | | | | Solutions of: | copper(II) sulfate Ferric nitrate Silver nitrate Lead (II) nitrate | | Procedure: 1. Obtain 4 samples of each metal and clean with steel wool or sand paper. Wash your hands after cleaning the metals so you are not exposed to lead
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