SOLID WASTE SEGREGATION AND RECYCLING IN METRO MANILA: HOUSEHOLD ATTITUDES AND BEHAVIOR Ma. Eugenia C. Bennagen‚ Georgina Nepomuceno and Ramil Covar June‚ 2002 ACKNOWLEDGEMENTS This study was made possible through a research grant from the IDRC/EEPSEA to the Resources‚ Environment and Economics Center for Studies‚ Inc. (REECS). The authors acknowledge with great appreciation
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Biodegradable plastic from cornstarch ABSTRACT The study aims to produce biodegradable plastic using cassava starch as its main component. Cassava starch was mixed with water‚ cornstarch and cooking oil INTRODUCTION There is an increasing demand for plastic‚ from the highly technological fields of electronics‚ fiber optics‚ and pharmaceuticals to the basic necessities such as sandwich wrappers and garbage bags. This high demand for plastics‚ however‚ has been a major contributor to
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Liquid Nitrogen Liquid nitrogen is nitrogen in a liquid state at a very low temperature. Its chemical formula is N2. Manufacturing of Liquid Nitrogen Liquid nitrogen is made by cooling and compressing air straight from the atmosphere. The type used to produce large amounts of liquid nitrogen looks vastly different but really happens is that air squashed and cooled . When you squash it‚ air molecules are forced closer together. If you also cool it down the molecules can slow down enough to
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Available online at www.sciencedirect.com Polyhydroxyalkanoates: bioplastics with a green agenda Tajalli Keshavarz and Ipsita Roy Production of polyhydroxyalkanoates (PHAs) has been investigated for more than eighty years but recently a number of factors including increase in the price of crude oil and public awareness of the environmental issues have become a notable driving force for extended research on biopolymers. The versatility of PHAs has made them good candidates for the study
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Instructions Extracting the Starch 1 Grate the potato and add it to the mortar. 2 Add about 100 cubic centimeters of distilled water and grind the potato mixture thoroughly. Pour the liquid off through a tea strainer into a beaker. Repeat this procedure twice more. 3 Leave the liquid to settle in the beaker. The white starch should sink to the bottom. Decant the water carefully. Add another 100 cubic centimeters of distilled water‚ stir‚ leave to settle and decant. Making the Plastic
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LABORATORY REPORT UNIT OPERATION FST359 EXPERIMENT 1 : LIQUID-LIQUID SEPARATION BY DISC-BOWL CENTRIFUGE. NAME : ANAS BIN MOHD KAMAL. ID : 2013467978. GROUP : AS1164A1. LECTURER : SIR MOHAMAD SHAHRIMI BIN HASHIM. OBJECTIVE : 1. To separate cream from dairy milk and coconut milk. 2. To measure the quantity and density of cream and skim milk. MATERIALS : Dairy milk powder and coconut milk. APPARATUS : 25 ml specific gravity (SG) bottles
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Class 4 – Flammable Solids Division 4.1 – Flammable Solids are: • Wetted explosives that are Class 1 explosives when dry‚ that are sufficiently wetted to suppress explosive properties. • Self-reactive materials that are thermally unstable and can undergo strong exothermic decomposition even in the absence of oxygen. Readily combustible solids that can cause fire through friction‚ such as matches. Powdered‚ granular or pasty materials must be classified as Division 4.1 when the time of burning of
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Prof. Ioan Kosztin Lecture #23 Solid State Physics • Bonding in solids (metals‚ isolators‚ semiconductors) • Classical free electron theory of metals • Quantum theory of metals • Band theory of solids • Semiconductors • Lasers Classification of solids • Phases of matter: • solid (well defined shape and volume) • liquid (only well defined volume) • gas (no defined shape or volume) • plasma (an overall neutral collection of charged and neutral particles) • Solids • crystalline (atoms form a regular
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health and well-being. There are several ways to minimise pollution including: * Fitting fume scrubbers to chimney outputs to remove solids and any pollutant chemicals that would be realised into the air. * Treating water of foul drainage before it is discharged into sea outfalls to reduce the effects on marine environment. * Minimising wastage by recycling construction products such as timber‚ metal and bricks and therefore reducing pollution dumped into landfill sites. * Using developments
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SOLID STATE MARKS = 04 SOLID STATE A solid is that form of matter that possesses a definite shape and a definite volume. There are two types of solids: Crystalline solids: Solids with a definite geometric pattern and are anisotropic in nature. Examples: Iron‚ copper‚ silver‚ sulphur etc. are some elements which form crystalline solids. Potassium chloride‚ sodium nitrate etc are some of the compounds‚ which are crystalline
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