at a CAGR of 3.3% over the period of 2006-2012 and the total consumption of fertilizers reached ~ thousand nutrient tons in 2012. The macro nutrient segment which comprises of nitrogen‚ phosphate and potash fertilizers has mainly been driven by the nitrogen fertilizers which comprised of more than half of the overall nitrogen market in most of the Asian economies particularly in East and South East Asia. Though China has been the leading contributor to Asian fertilizer industry during 2006-2012 and
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Earth: A Living Planet To care for our planet we must understand how it opperates. Ecology is the study of interactions of organisms with one another and with their physical surroundings. Scientists who study ecology are called ecologists. Earts is a biosphere‚ or a living globe. The biosphere is that part of the Earth in which life exists. Biospheres include all the areas of land‚ air‚ and water on the planet. The biosphere goes about eight kilometers above the Earth’s surface to as far as eight
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mostly caused by human emissions of sulfur and nitrogen compounds which react in the atmosphere to produce acids. In recent years‚ many governments have introduced laws to reduce these emissions. Emissions from volcanoes and those from biological processes that occur on the land‚ in wetlands‚ and in the oceans account for the contribution of the pricipal natural phenomena of acid-producing. However‚ the principal cause of acid rain is sulfur and nitrogen compounds from human sources‚ such as electricity
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Algal Research 2 (2013) 445–454 Contents lists available at ScienceDirect Algal Research journal homepage: www.elsevier.com/locate/algal Process development for hydrothermal liquefaction of algae feedstocks in a continuous-flow reactor Douglas C. Elliott ⁎‚ Todd R. Hart‚ Andrew J. Schmidt‚ Gary G. Neuenschwander‚ Leslie J. Rotness‚ Mariefel V. Olarte‚ Alan H. Zacher‚ Karl O. Albrecht‚ Richard T. Hallen‚ Johnathan E. Holladay Pacific Northwest National Laboratory‚ P.O. Box 999‚ MSIN P8-60
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C1 Revision Notes Atmosphere is a mixture of gases that surrounds the Earth. The three main chemical components present in air are Nitrogen‚ Oxygen and Carbon Dioxide. Trace amounts means only a very tiny concentration of gas is present. An element is made up of 1 type of atom. A compound is made up of 2 or more types of atom that are chemically bonded. A mixture also contains more than 2 or more type of atoms but they cannot be chemically bonded. A pollutant is a waste matter that contaminates
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Part 1 A） Chemist 1: New product development This career role involves the development of new paints to meet changing market needs. The chemist would be working as a member of a team developing and testing new colloidal paints to suit specific purposes. This might include weatherproof paints‚ which retain their colour and are resistant to solar radiation‚ or indoor paints that can be easily and repeatedly washed. Chemist 2: Environmental monitoring This career role as a public servant could
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there are a lot type of gases in the air such as nitrogen‚oxygen‚argon gas‚carbon dioxide‚ hydrogen ‚neon ‚helium‚ krypton and xenon.The most percentage of gas in the air is nitrogen which is 78% of gases in the air. Oxygen is 21% of the gas‚ while carbon dioxide is just 0.03%.We as living things can’t only breathe the oxygen because our body also need the mixture of nitrogen ‚ oxygen ‚ carbon dioxide ‚ inert gas and others. For
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over hundreds of years through the weathering of rocks and the decomposition of organic material. Soil contains nutrients that are taken from decomposed animals and plants which turn to detritus. Nutrients such as nitrogen are added to the soil in these ways by organisms such as nitrogen fixing bacteria. Soil is important because it is the fuel to the plants that we need in order to survive and for all species to survive. Soil absorbs nutrients and water that plants then use in order to develop‚ which
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The physics behind SCUBA diving and the physical effects on the body. Scuba diving is a sport that many people enjoy but hardly understand the physics behind. The journey from the pressure of the atmosphere to the deeper depths of the seas is not just a trip that involves breathing air out of a tank and looking at fish. If we were to go on an imaginary journey beginning at the surface and traveling to the bottom of a 300 foot lake your body would under go a change in pressure nearly of 10 times
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fertilizers mainly nitrogen (N)‚ phosphate (P)‚ and potassium (K) - often referred as ‘potash’ in a salt form. (“What are fertilisers‚” 2010). They are equally rich in these nutrients and convenient to obtain from nurseries. As for the secondary nutrients present in these chemical fertilizers‚ it contains sulphur (S)‚ magnesium (Mg)‚ calcium (Ca)‚ and sodium (Na) and metals (micronutrients) such as copper (Cu)‚ ferum (Fe)‚ boron (B)‚ zinc (Zn) and manganese (Mn). (hazri). Nitrogen is one of the most
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