SYNTHESIS OF ZINC OXIDE NANO PARTICLES IMPLEMENTED IN DYESENSITISED SOLAR CELLS Sunya Pratyutpana‚ Sahithya Kandalam‚ R. Aarthi and Fozia Z. Haque* 3rd year‚ B.Tech‚ MANIT Bhopal. * Asst. Prof. Department of Physics‚ MANIT Bhopal. april.sunya@gmail.com sahithya08@gmail.com r.aarthi04@gmail.com ABSTRACT: The vital component of Dye-sensitized solar cells are the nanorods which not only provide a high surface area for electron transport‚ but the monocrystalline arrays ensure the rapid collection
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BIOGEOCHEMISTRY OF NITROUS OXIDE PRODUCTION IN THE RED MANGROVE (Rhizophora mangle) FOREST SEDIMENTS Jorge Bauza‚ Julio M. Morell and Jorge E. Corredor Department of Marine Sciences University of Puerto Rico Mayaguez‚ Puerto Rico 00680 RUNNING HEAD: Nitrous Oxide in Mangrove Sediments keywords: nitrous oxide‚ nitrification‚ mangrove forest ABSTRACT The present study was undertaken to quantify the emission and distribution of nitrous oxide and to explore its relation with pertinent
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Nitrous oxide Nitrous oxide Description Nitrous oxide — an odorless‚ tasteless gas — is an inhalation analgesia that can be used during labor. You administer the anesthetic gas using a hand-held face mask. Nitrous oxide takes effect within a minute. While common in the United Kingdom and Canada‚ this technique is rarely used in the United States. Pros Nitrous oxide alters pain perception. It can be used intermittently or continuously during labor. If you need to have a tear repaired after delivery
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Formula of oxide Na2O2 MgO Al2O3 SiO2 P4O10 Cl2O Melting Point (C) 460 2825 2072 1700 340 -120.6 Boiling Point (C) 657 3600 2977 2230 360 2.2 State at STP Solid Solid Solid Solid Solid Liquid Action of water Dissolve in water and form alkaline solution Slightly dissolve in water and form alkaline solution Insoluble in water Insoluble in water Dissolve in water and form acidic solution Dissolve in water and form acidic solution pH of aqueous solution
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to cause an increase in cancer to people who use this product‚ with an emphasis on women with breast cancer. PEG compounds usually have small amounts of a substance called ethylene oxide. According to experimental results reported in the National Toxicology Program ’s Eighth Annual Report on Carcinogens‚ ethylene oxide increases the incidences of uterine and breast cancers and of leukemia and brain cancer. ` Another ingredient used in cosmetics is Methylchloroisothiazolinone‚ which is a natural
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OXIDATION AND REDUCTION Oxygen makes up only about 20% of the air‚ yet is the essential component for so many reactions. Without it fuels would not burn‚ iron would not rust and we would be unable to obtain energy from our food molecules through respiration. Indeed animal life on the planet did not evolve until a certain concentration of oxygen had built up in the atmosphere over 600 million years ago. The term oxidation has been in use for a long time to describe these and other reactions where
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its ore: [pic] Because both reduction and oxidation are going on side-by-side‚ this is known as a redox reaction. Oxidising and reducing agents An oxidising agent is substance which oxidises something else. In the above example‚ the iron(III) oxide is the oxidising agent. A reducing agent reduces something else. In the equation‚ the carbon monoxide is the reducing agent. • Oxidising agents give oxygen to another substance. • Reducing agents remove oxygen from another substance. Oxidation
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into the corresponding oxides and carbon dioxide. The temperature of decomposition depends upon the activity of the metal; that is to say‚ the more active the metal‚ the more stable is the carbonate. Thus‚ the carbonates of sodium and potassium are stable at the highest temperature of a Bunsen burner flame‚ whereas the carbonates of silver and copper are easily decomposed. In this experiment copper (ii) carbonate will be decomposed at a high temperature‚ forming copper (ii) oxide and carbon dioxide:
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the most common oxides on the surface of earth. Like most oxides‚ it adopts a polymeric structure. Оксидите се хемиски соединенија што содржат најмалку еден атом на кислород и еден атом од друг хемиски елемент во својата формула. An oxide /ˈɒksaɪd/ is a chemical compound that contains at least one oxygenatom and one other element[1] in its chemical formula. Metal oxides typically contain an anion of oxygen in the oxidation state of −2. Most of the Earth’s crustconsists of solid oxides‚ the result of
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hollow block Many people used pure cement hollow block in making buildings but this research aims to make a more durable and fire retardant hollow block in making infrastructures. Background: The glass contains lime‚ magnesium oxide‚ and aluminum oxide that add more durability. Barium also increases the refractive index and low dispersion that make it endure shock. Plastics contain stabilizing additives that include fire retardants to lower the flammability of a material. These 2 combined
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