P H A R M AC E U T I C A L application note Checking the accuracy of PERKIN-ELMER POLARIMETERS H. Stenz‚ Bodenseewerk Perkin-Elmer GmbH Abstract Quartz standards‚ sucrose solutions and optically active pure liquids are discussed as potential polarimetry standards. It is suggested to preferably use quartz standards for checking the accuracy of Perkin-Elmer polarimeters. Quartz standards are absolutely stable‚ have a high accuracy and are easy to use. For laboratories working in an environment
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creating an engaging film for audience’s .In the creation of a film many historical inaccuracies occur as seen in the film Gladiator. This film instead of being a historical recreation of the Roman culture and gladiatorial games tends to embody the idea of certain characters and events. They reflect 21st century ideals onto these historical events to create a film that will appeal to the masses. Ultimately these inaccuracies are in insignificant in
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Accuracy and Precision Laura Norwood CHM/110 October 11‚ 2012 Dr. Grant W.Wangila Accuracy and Precision Chemistry is a vibrant part of society. When experiencing some of life’s simplest of pleasures‚ there is usually a process that has undergone different aspects of what a chemist studies every day. In the text for this course‚ the example of experiencing even a simple sunset can be related to chemistry. “Molecules in the air interact with light from the sun‚ scattering away the blue
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Chemistry and Society Paper In everyday life‚ accuracy and precision are important. These two terms are often interchanged freely‚ but these terms have key differences. Many businesses require both accurate and precise measurements to stay in business. Accuracy and Precision Accuracy refers to something that is consistent with a known value (Maze-Emery‚ 2009). Precision is the amount of detail something provides (“accuracy/precision‚” 2005). A simple analogy is someone throwing darts at
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Except for a few minor inaccuracies‚ 12 Years A Slave is very historically accurate in its portrayal of the characters and events Solomon Northup faced during his journey of serving as a slave. At the beginning of this movie the phrase‚ “based on a true story” was depicted. Because the film as a whole portrayed Solomon’s true journey as a slave‚ one may say the movie is genuinely based on true events and historically accurate. The movie began as though there were flashbacks to events that took
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Sensory Memory Sensory memory is the earliest stage of memory. During this stage‚ sensory information from the environment is stored for a very brief period of time‚ generally for no longer than a half-second for visual information and 3 or 4 seconds for auditory information. We attend to only certain aspects of this sensory memory‚ allowing some of this information to pass into the next stage - short-term memory. Short-Term Memory Short-term memory‚ also known as active memory‚ is the information
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thirteen days accurately displays the behavior and activities that were occurring during the Cuban Missile Crisis‚ which the movie is based upon. In a recent national study of the 13 days movie‚ against known fact the movie was given high ratings with accuracy and how true the facts where. But there were also problems and false facts‚ leading the movie to be more of a representation of the event than a total recall. The directors also had to have their analysis of the movie‚ pre and postproduction‚ meaning
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SENSORY ORGANS Introduction The knowledge of the world around us stimulates our sensory organs to provide us with the information of what is going on around us. All sensory information is picked up by the sensory receptors‚ specialised cells that monitor internal and external conditions. Examples of sensory organs are: SENSE ORGAN Eye Ear (Organ of Corti) Ear (Semicircular Canals) Ear (utricle and saccule) Olfactory mucous membrane Taste Buds Skin Skin Skin Skin Various Muscle Spindle Golgi tendon
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5 types of sensory receptors are: chemoreceptor A sense organ‚ or one of its cells (such as those for the sense of taste or smell)‚ that can respond to a chemical stimulus; a chemosensor. mechanoreceptor Any information about mechanical changes in its environment‚ such as movement‚ tension and pressure. photoreceptor A specialized neuron able to detect‚ and react to light nociceptor A sensory receptor that sends signals that cause the perception of pain in response to
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written by Arthur Miller. The film and play‚ though inaccurate in some specific details‚ has some incredible accuracy for a story that was meant to symbolize McCarthyism. It accurately displays the tension that resulted from land arguments as well as their possible effects on the SalemWitch Trials. There are some inconsistencies relating to individual character‚ but the major historical inaccuracy comes in the form of the cause of the Salem Witch Trials along with the motives and identity of certain characters
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