Shock Waves (2009) 19:453–468 DOI 10.1007/s00193-009-0220-z ORIGINAL ARTICLE Some physical aspects of shock wave/boundary layer interactions Jean Délery · Jean-Paul Dussauge Received: 9 February 2009 / Accepted: 29 June 2009 / Published online: 26 July 2009 © Springer-Verlag 2009 Abstract When the flow past a vehicle flying at high velocity becomes supersonic‚ shock waves form‚ caused either by a change in the slope of a surface‚ a downstream obstacle or a back pressure constraining the
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Drugs screen using Thin Layer Chromatography of basic illicit drugs Abstract The majority of evidence submitted to crime labs comes from drug-related crimes. Often‚ this evidence includes unidentified powders that may be illegal drugs. In order to prosecute individuals for possession of illegal substances‚ it is necessary for forensic scientists to positively identify any suspected drugs submitted to the laboratory. In addition‚ forensic toxicologists must determine the identity
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Macroeconomics of Minimum Wage Draft: Do not quote MACROECONOMIC EFFECTS OF MINIMUM WAGE IN NIGERIA: A GENERAL EQUILIBRIUM ANALYSIS Abiodun O. Folawewo* Abstract This paper examines the macroeconomic effects of minimum wage (MW) policy in Nigeria using a static computable general equilibrium. Data for the study is drawn from year 2005 National Account of the country. The data is used to construct a 22 x 22 social accounting matrix (SAM) for the economy. The calibration exercise shows that the
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Among the first wave of Portuguese immigrants to America there remained a sort of stubborn pride in their cultural origins and traditions. In part because the communities around New Bedford and Fall River‚ and even out west in California‚ were considered “colonies” back home. Rather than resent the emigration of its people‚ the country—which needed emigration to relieve a growing overpopulation‚ especially on the islands of the Azores—took pride in what they saw as extending the Portuguese nation
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The Ozone Layer: What does it do and what happens when it is depleted? The ozone layer is one of the most debated scientific subjects of the last decade. The growing problem of its depletion is being researched heavily all over the world‚ and methods are being researched to try and solve the problem. There have also been many debates concerning the relationship between the ozone layer and the onset of global warming. Before solutions can be developed‚ however‚ what the ozone layer actually does
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Experiment 3: The preparation of acetaminophen (paracetamol) with thin layer chromatography (TLC) to monitor the reaction. Abstract: This experiment is to demonstrate the preparation of paracetamol and its properties. Reflux and filtration of 4-aminophenol and acetic anhydride formed the crude sample. Further analysis of dry white crystals were used to give quantitative measurements and a percentage yield of 46% was obtained. The overall conclusion is that the acetic anhydride reacted with the
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dermal layer of skin and how each relates to the permanence of fingerprints. The outer layer is known as the epidermis‚ and the inner layer is known as the dermis. The bottom of the epidermis‚is adjacent to the dermis‚ is the generating layer of the epidermis and it is in this layer that new cells are formed. The skin is one of the largest organs in the body. The epidermis has many smaller layers. The dermal layer is the growth layer of skin and feeds the epidermis. The dermal layer has rows
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Thin Layer and Column Chromatography of Extracted Total Lipids of Chicken Egg Yolk Aegan Matthew V. Amican‚ Karen Gem B. Ares‚ Ruvie Ann A. Ballester‚ Mark Joseph S. Barcelona‚* Katherine Carmen Isabel G. Calleja‚ Christelle Venus F. Capuno‚ Group 1‚ 2DPH‚ University of Santo Tomas Abstract Lipids are one of the major constituents of foods‚ and are important in our diet for a number of reasons. They are a major source of energy and provide essential lipid nutrients. This experiment determined
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build a marketing plan to launch new product cheese cake mix. 5.1 Target consumers According to research results‚ as for target consumers we aim to focus on 18 – 40 year olds female because in chapter 4‚ the outcome indicates that more than 70 percent of cake mix purchasers are female and nearly 80 percent of them are from 18 – 40 years old. It makes sense that female both single and married women normally enjoy cooking‚ especially baking cakes than male does. Almost target consumers are in working
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of Heat Content in the Upper 70m layer of the Arabian Sea Gopika.N Dept. of Physical Oceanography‚ School of Marine Sciences‚ Cochin University of Science and Technology‚ Kochi – 22‚ Kerala‚ India. Corresponding author E-mail ID:- gopika.n81@gmail.com ABSTRACT The upper ocean heat content is the most important parameter in view of ocean atmosphere interaction processes. In this study the temporal and spatial variation of heat content in the upper 70m layer of the Arabian Sea for a period
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