MATSE 259 Solutions to homework #2 1. For the HCP crystal structure‚ show that the ideal c/a ratio is 1.633. We are asked to show that the ideal c/a ratio for HCP is 1.633. A sketch of one third of an HCP unit cell is shown below. a c M L J K a Consider the tetrahedron labeled as JKLM‚ which is reconstructed as M L H J K The atom at point M is midway between the top and bottom faces of the unit cell __ that is MH = c/2. And‚ since atoms at points J‚ K‚ and
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K-feldspars will seperate from the albite in a process called exsolution. The albite will form layers inside the k-feldspars crystals. Some times these layers are discernable to the naked eye and the stone is referred to as perthite. Albite by definition must contain no less than 90% sodium and no more than 10% of either potassium and/or calcium in the cation position in the crystal structure.. Albite is the last of the feldspars to crystallize from molten rock. The process of crystallization from
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the message is more then what the words say. The idea of modularity gave rise to the letterpress technology and also influenced the shape of graphic design‚ establishing principles that were crucial to later industrialization. Beatrice Warde’s Crystal Goblet‚ through extraneous metaphors‚ proposes the idea the good typography is typography that is invisible‚ in that the type should adhere to the readers expectation so as not disrupt their immersion in the content. The basis of this idea is that
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several smaller stories in the original tale. Many mediums have contained this format‚ such as books and movies. One of the most famous tales in literature‚ “The Arabian Nights‚” has a frame story structure. The following paragraphs will further explain frame story structure and how it contributes to the well-known story of “1‚001 Nights.” Frame story structure is a literary technique in
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deposition of uric acid crystals‚ and joint destruction if left untreated. Uric acid is a byproduct of purine metabolism. Lacking uricase‚ humans remove uric acid primarily by renal excretion. "Normally‚ uric acid dissolves in your blood and passes through your kidneys into your urine. But sometimes your body either produces too much uric acid or your kidneys excrete too little uric acid. When this happens‚ uric acid can build up‚ forming sharp‚ needle-like urate crystals in a joint or surrounding
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Addiction: Long Days Journey Into Night "Long Days Journey into Night" is a play written by Eugene O ’neill. The story is about one day in the life of the Tyrones‚ a dysfunctional family who are all addicted to something in their own way. Each of their addictions feeds another member of the familys addiction. Mary Tyrone makes the transition from normal to addicted most clearly through the play. In Act I‚ her hands shake‚ and she is very nervous. When she appears in Act II "one notices no change
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Crystal jellyfish The Crystal jelly fish is a very unique marine animal. Known as the crystal jellyfish its scientific name is well known to be the Aquarium Victoria. The Aquaria Victoria is a saucer shaped Hydromedusa with a well developed velum‚ its size ranges within five to twelve centimeters in diameter. It has eighty or more narrow unbranched radial canals witch can extend to the margin of the bell. All tentacles extend from the margin of the bell‚ making the slender gonads run along most
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and experience all of these inhumane and terrible things that were happening did he question if God was really there. By writing this book Elie was trying to teach readers how horrible things can drastically change your feelings about something. In Night‚ by Elie Wiesel
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In the play‚ Twelfth Night‚ Shakespeare illustrates the traditional merry-making and social disorder‚ which occurred upon the Feast of Fools‚ or the Twelfth Night of Christmas. It is during this time that the normality and social roles of status was reversed‚ and thus‚ overturned‚ in that servants would become Masters‚ and Masters‚ servants. In short‚ this day was a time‚ where the usual flow of laws‚ rules and class difference was generally ignored‚ and therefore‚ led to a lapse of disorder.
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scientists like Dr Sivaramakrishna Chandrashekhar and Dr Subramaniam Chandrashekhar won laurels and recognition abroad and not in India. A typical example of bureaucratic interference in India is regarding the technology of growing ultra pure silicon crystals to make solar and other silicon cells that convert light into electricity. Two Indian Institute of Science scientists had developed the technology. In the early 80s‚ Mettur Chemicals (MetChem) in Mettur near Salem tried to install a pilot plant to
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