Polypropylene consist of propylene as the monomer which has three carbons and one double bond between two of those carbon atoms. Polypropylene is manufactured from propylene gas in the presence of a catalyst. They are widely used for pipes‚ containers and packaging. Nonetheless‚ Polyethylene is a polymer made of ethylene. Ethylene has two carbon atoms bonded to each other with a double bond. Polyethylene is the basic component in making bottles‚ bags and fibres. Both polypropylene and polyethylene
Premium Oxygen Chemistry Carbon
Technology PASSIVE SOLAR DESIGN For more information‚ contact: Energy Efficiency and Renewable Energy Clearinghouse (EREC) 1-800-DOE-3732 www.eren.doe.gov Or visit the BTS Web site at www.eren.doe.gov/buildings Or visit the Sustainable Buildings Industry Council Web site at www.sbicouncil.org PASSIVE SOLAR DESIGN TOOLS One of the best ways to design an energyefficient house featuring passive solar techniques is to use a computer simulation program. Energy-10 is a PC-based design
Premium
Indian Institute of Technology‚ Delhi Zero energy buildings Environmental Engineering Ankit Agarwal Prateek Deshmukh Rahul Agarwal Varun Pal Singh Kohli Amrit Juneja 24-3-2008 CONTENTS ABSTRACT 4 INTRODUCTION 5 I. Boundary Definitions and Energy Flows 6 II. Definitions 9 III. How definition influences design 11 IV. Conclusion 14 V. References 16 LIST OF TABLES I. Table 1 7 II. Table 2 15 ABSTRACT: A net zero-energy building (ZEB) is
Premium Renewable energy Wind power Fossil fuel
Seminar’s Reflection Last twenty-first of September‚ Two Thousand and Thirteen. Held at he Audio Visual Room in Cotabato City Institute‚ we had an entertaining seminar held by: Mr. Reynaldo S. Atienza Jr.‚ a training manager in RSA automation and robotics. Mr Reynaldo is a person full of joy. I noticed this by the way he talks. The seminar was started by letting us watch some funny and entertaining videos to
Premium Cathode ray tube Personal computer Robot
Colegio de San Juan de Letran College of Liberal Arts and Sciences Experiment #3 SEPARATION AND PURIFICATION OF ORGANIC COMPOUNDS: CRYSTALLIZATION Gomez‚ Paola Anne M. DOP: 2 July 2013 Student no. : 4120403 DOS: 9 July 2013 Group: Carcinogenic Remarks: _____________________________________________________________________ Engr. C. D. Sanchez Instructor THEORETICAL DISCUSSION Crystallization is a technique which chemists use to purify solid compounds. It is
Premium Chemistry Solution Solubility
Electrical Installations Electrical apparatus and wiring systems are to be constructed and installed in accordance with the requirements of this Section. Standard Distribution System The following are recognized as standard systems of distribution. Distribution systems differing from these will be specially considered. • Two-wire direct current • Three-wire direct current • Two-wire single-phase alternating current • Three-wire three-phase alternating current • Four-wire three-phase
Premium Electrical engineering Alternating current Electricity
for a powerful motivational paper. The problem was the research. Either the sources were outdated and came from skeptical websites‚ or the evidence proving global cooling was disproved by the same source in a later paragraph. For example‚ the website SkepticalScience quotes scientist Matt Vooro and others for predicting imminent cooling due to data that suggests the leveling off of warmer temperatures yet dismisses their claims after evaluating that their field was not climate science and that an
Premium Global warming Climate change Carbon dioxide
of different stages: Mixing: 10 orders per hour Cooling: unlimited Oven: 6 orders per hour Capacity of “me” and roommate: “me” – spooning: 30 orders per hour Roommate – order receiving‚ packaging and payment receiving: 15 orders per hour. The bottleneck of the process would be oven‚ whose capacity is 6 orders per hour. Excluding the order receiving‚ mixing and spooning time of the first order (1+6+2=9 minutes) and the cookie cooling‚ packaging and payment receiving time of the last order
Premium Mix Mixing console
Joules) absorbed by the eutectic alloy at different time intervals? 3. What is the temperature of the PC: 3.1 With the processor fan 3.1.1 and the built in cooling system? 3.1.2 the built in cooling system‚ and the eutectic alloy as heat sink? 3.2 Without the processor fan 3.2.1 and the built in cooling system? 3.1.2 the built in cooling system‚ and the eutectic alloy as heat sink? 4. What is the significant difference in the temperature of the PC (with the processor fan) with and without the
Premium Temperature Heat Thermodynamics
warmth receptors send a message to the hypothalamus that there is an increase in body temperature. The thermostat centre in the anterior hypothalamus activates the cooling mechanism through nerve impulses (effectors) which are sent to the required region. Therefore cooling responses will begin to re-establish homeostasis. One of these cooling responses to re-establish homeostasis is vasodilation. Vasodilation occurs when the blood vessels expand (i.e. get wider / dilate) which causes an increase in blood
Premium Metabolism Homeostasis Temperature