When reviewing the Supply Chain design for DEP/GARD‚ there are various stages which add value‚ and some which fail to add value. Looking at figure 1. below‚ you will see the diagram outlining the supply chain value stream enabling DEP to delivery product to GARD. Areas which fail to add value‚ and have the potential to erode DEP’s ability to remain a valued supplier for GARD include the following: 1. Failure to utilize LEAN manufacturing principles causing DEP to carry excess inventory: Inventory
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Chemistry Unit 1 – Revision Questions Chemistry 1A 1) Define an element. How many are there in the Periodic Table? 2) Write a table with the charges and masses of protons‚ neutrons and electrons. 3) Define atomic number and mass number. 4) Draw electron (energy level) diagrams for Be‚ S‚ Al‚ Cl and K. Also‚ write down the number of protons and neutrons for each. Finally‚ write the symbols (with mass no. and atomic no.) 5) Why have all Group 7 elements (halogens) got similar chemical properties
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Chromatography paper‚ and paper in general‚ is very hydrophilic. Paper is made from a natural polymer called cellulose‚ which is a long chain of glucose molecules. Glucose is a cyclic structure with a number of -OH groups around the ring. a. Predict and explain the types of IMFs that would occur between paper and water. How do these interactions
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As mentioned before‚ browning in bananas is an enzymatic process where enzymes such as polyphenol oxidase serve as catalysts in the oxidation of several phenolic compounds. In this experiment however‚ the only reaction being tested is the oxidation of catechol (a diphenol) by the enzyme catalyst catechol oxidase or polyphenol oxidase‚ which initiates a chain of reactions and eventually triggers the formation of brown pigments known as catechol-melanins. Catechol‚ also called 1‚2-dihydroxybenzene
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concept of chemistry. Slime was every child’s favorite toy‚ but also the enemy of every mother of a clean carpet. During the 1920s‚ Nobel laureate Hermann Staudinger laid the groundwork for our modern understanding of polymer science. He suggested a new molecular model for polymers; one of long‚ chain-like molecules and not aggregates or
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Matrix-assisted laser desorption/ionization (MALDI) is a soft ionization technique used in mass spectrometry‚ allowing the analysis of biomolecules (biopolymers such as DNA‚ proteins‚ peptidesand sugars) and large organic molecules (such as polymers‚ dendrimers and other macromolecules)‚ which tend to be fragile and fragment when ionized by more conventional ionization methods. It is similar in character to electrospray ionization both in relative softness and the ions produced (although it causes
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of β(1→4) linked D-glucose units. Cellulose is an important structural component of the primary cell wall of green plants‚ many forms of algae and the oomycetes. Some species of bacteria secrete it to form biofilms. Cellulose is the most abundant organic polymer on Earth. The cellulose content of cotton fiber is 90%‚ that of wood is 40–50% and that of dried hemp is approximately 45%. Cellulose is mainly used to produce paperboard and paper. Smaller quantities are converted into a wide variety of derivative
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ORGANIC CHEMISTRY Carbon atoms: * Carbon-carbon bonds are not easily broken * Each carbon atom forms 4 covalent bonds * The C-H bond is almost non-polar Classifying organic compounds: * Number of carbon atoms in longest chain: meth‚ eth‚ prop‚ but‚ pent‚ hex‚ hept‚ oct‚ non‚ dec * If it is a branch: -yl; di‚ tri or tetra means there is more than one branch‚ ethyl means there are 2 carbons coming off the branch * If it is a ring of carbons put cyclo at the front of the
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Carbohydrate Polymers 44 (2001) 319–324 www.elsevier.com/locate/carbpol Hydrolysis of diethyl diferulates by a tannase from Aspergillus oryzae ´ M.-T. Garcıa-Conesa a‚*‚ P. Østergaard b‚ S. Kauppinen b‚ G. Williamson a a Phytochemicals Team‚ Division of Diet‚ Health & Consumer Sciences‚ Institute of Food Research‚ Norwich Research Park‚ Colney‚ Norwich NR4 7UA‚ UK. b ´ Screening Biotechnology‚ Enzyme Research Novo Nordisk A/S‚ Novo Alle‚ bldg. 1BM1.05 DK-2880 Bagsvaerd‚ Denmark. Abstract
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laboratory techniques. Contents include the basic chemical bonding theory; nomenclature of organic compounds; basic organic reactions; mechanisms of the basic organic reactions; organic synthesis and applications of organic chemistry in industry: polymers‚ petrochemicals‚ sugars‚ proteins and pharmaceutical chemistry. Course Objectives: To enable students to acquire a fundamental understanding of the basic scientific knowledge in modern organic chemistry and its applications to everyday life‚ and
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