Cold drinks are composed of alcohol‚ carbohydrates‚ carbon dioxide‚ phosphate ions etc. These soft drinks give feeling of warmth‚ lightness and have a tangy taste which is liked by everyone. Carbon dioxide is responsible for the formation of froth on shaking the bottle. What we wanted to aim is the comparative and qualitative analysis of Coke‚ Sprite‚ and Royal. We tested the Comparative pH ‚ Carbon Acid and Glucose content of different soft drinks. Since soft drinks like Coca-Cola
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CARBON CARBON MULTIPLE BOND PRESENTED BY: WASIQUE AZHAR MSC CHEM (2 SEM) Some basic concept Electrophile : a species with a region of positive or partial positive charge electron-poor Nucleophile: a species with a region of negative or partial negative charge electron-rich TO LERN OBJECTIVE : Elecrophilic Addition to carbon-carbon double bond Stereochemistry of Elecrophilic addition reaction Hydrogenation of double and triple bond Nucleophilic Addition to carbon-carbon double
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bronze‚ platina Accidental Stains - Made accidentally (this experiment) e.g. spilled ketchup on shirts According to procedure Surface Stains - 1. Stain substance is spilled on the surface of the material 2. Substance is trapped in fibers‚ pores‚ indentations of the cloth‚ etc. 3. Substance coats cloth 4. Stain reflects light according to its color Chemical Stains - 1.
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Opening: Fiber helps keep the baby’s bowel at regular intervals and keeps the baby feeling full between meals. However‚ high fiber foods are not the best dish on the menu‚ so many children do not get as much as they need. Parents can help increase the amount of fiber in the baby’s diet by adding a variety of fiber-rich foods and sneaking into the fibers. Body: ≠ Recommendations The amount of fiber your child needs depends on his or her age. Toddlers aged 1 to 3 need about 19 grams a day. Kids 4
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Fabric Swatch Price and Name Linen 40$/m • Fiber Origin and construction made from the fibers of the flax plant‚ Linum usitatissimum. Spinning of 100# linen (no added cotton) • • • • • • Properties Handle/Drape Laundering/ aftercare • • Spin and tumble Should be dried in the sun constant
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such as tents‚ shelters‚ covers‚ nets‚ load-carriage items and sleeping systems were made from natural fibers based upon wool‚ cotton‚ flax‚ jute‚ hemp‚ sisal‚ and kapok. Those used for screens‚ covers and tents were heavy‚ cumbersome‚ and prone to degradation by insects‚ moisture and biological organisms [1] Forces dress in WWII Start of use of the new fiber ‘Nylon’ for light strong parachute canopies Development of Ventile® cotton fabric for aircrew survival
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Education Inc.‚ New Jersey‚ USA Kadolph‚ S.J.‚(2010)Textiles‚ Eleventh Edition‚ Prentice Hall. Kiruthika‚ A‚ Priyadarzini‚ T & Veluraja‚ K (2012) ’Preparation‚ properties and application of tamarind seed gum reinforced banana fibre composite materials ’‚ Fibers and Polymers‚ vol. 13‚ no. 1‚ pp. 51-6. Kulkarni‚ AG‚ Satyanarayana‚ KG‚ Rohatgi‚ PK & Vijayan‚ K (1983) ’Mechanical properties of banana fibres (Musa sepientum) ’‚ Journal of Materials Science‚ vol. 18‚ no. 8‚ pp. 2290-6. Lyle‚ D. S. (1982) Modern
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Weaving: interlacing yarns Fabric Face: smoother and more lustrous; clearer and brighter print or design; more pronounced finish; floats are on the face Fabric Back: imperfections and knots; print or design duller and less distinctive; more noticeable tentering marks Warp Yarns: parallel to the salvage; thinner; stronger; more twist; usually greater in number (in unbalances weaves); straighter and more parallel; usually filament yarns (depending on fabric content) Filling Yarns: perpendicular
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Alpaca fiber is one of the world’s best materials to make yarn. Alpaca fiber is stronger than wool and softer than cashmere. Alpaca yarn is hypoallergenic and doesn’t have the itchiness like other yarns. The alpaca yarn making process is simple with the right steps and the right equipment. First‚ the fleece of the animal arrives at the yarn processing mill and must be washed. As the fleece is put into the washing machine label the different orders so they don’t get mixed up. Normally a natural
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termed the rule of mixtures. Assumptions 1. 2. 3. 4. 5. 6. Fibers are uniformly distributed throughout the matrix. Perfect bonding between fibers and matrix. Matrix is free of voids. Applied loads are either parallel or normal to the fiber direction. Lamina is initially in a stress-free state (no residual stresses). Fiber and matrix behave as linearly elastic materials. Longitudinal Modulus Equal strain assumption: εc = εf = εm 2 Matrix Fiber σ1 1 σ1 Matrix L Representative Volume Element
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