Many scientific‚ military‚ medical and commercial laser applications have been developed since the invention of the laser in the 1958. The coherency‚ high monochromaticity‚ and ability to reach extremely high powers are all properties which allow for these specialized applications. Scientific In science‚ lasers are used in many ways‚ including: A wide variety of interferometric techniques Raman spectroscopy Laser induced breakdown spectroscopy Atmospheric remote sensing Investigating nonlinear
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exist without water. Seventy-five % of the Earth is covered in water providing an environment for organisms to live in. the water molecule is made up of two hydrogen atoms and one oxygen atom. As oxygen atoms are more electronegative that hydrogen atoms the electrons shared covalently between the oxygen and the hydrogen atoms tend to spend more time near the oxygen atom making it partially negative and making the hydrogen atoms partially positive. The partial charges in the water molecule allow it to
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lengthy‚ terrifying‚ and or for a purpose‚ movement can make a difference on how a person will like or dislike a film. Let me start with telling you about a film called The New World. The movement starts with the sound of water moving slowly in the ocean. What is making the water move? As the film continues
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operationalization? - How much material and what types of material were needed? - What were the main phases of the project? - What were the main problems in project realisation? The project that I chose is a very unique American house called Falling Water. Falling Water is built over the top of a waterfall‚ and is suggested to be the most well-known private house in America not belonging to someone of royal blood (Storrer‚ 2002). I would love to visit this house as I like waterfalls and I think the way this
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Journal of Spatial Hydrology Spring Vol. 5‚ No. 1 Spatial Analysis of Urban Stormwater Quality M. Ghafouri1 and C.E. Swain Abstract Urban stormwater non-point source pollutants are recognized as a major cause of receiving waters quality deterioration. To date most research has focused on specifying temporal variations of stormwater quality parameters which includes high uncertainties and also increases the risk of pollution control structures failure. Traditionally‚ the temporal variations of quality
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the National Drinking Water Quality Standards (NDWQS) in 1983‚ with the most recent revision in 2000 due for circulation for use in 2002. The standards stipulate limits for physical‚ chemical‚ microbiological and radiological parameters and compliance with these standards is mandatory for all private water suppliers. Supporting documentation is available to ensure effective implementation of the standards and include information on the National Programmed for Drinking Water Quality Surveillance‚
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Water is the most abundant molecule on Earth’s surface. It is essential for life on Earth. The unique properties of water makes life possible on earth. One property of water is surface tension. Water has a surface tension 2 – 4 times the surface tension of most organic liquids. Surface tension is highest for pure water. This enables insects called neuston to walk and live on the surface of water in low-nutrient water bodies‚ where they would starve if immersed in the water. This anomaly permits
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Biological Importance of Water. Water is a material that is essential for all life on earth. The fact that water makes up between 60 and 95 percent of all living organisms clearly shows the biological importance of this compound. The way that water is structured and its properties lead to it being one of the most individual and vital compounds on earth. Water molecules are dipolar‚ meaning they have a positively charged and a negatively charged region. A water molecule consists of two hydrogen atoms
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A Glass of Cold water (Cj) Everybody calls me young‚ beautiful‚wonderful Am I? Look at my hair‚ my lips‚ my red rosy cheeks and a pair of blinkering eyes. I remembered somebody says that I look like my mother. But that when she was young. Now I am much lovelier than she is. I’m a mortal venus. Oops! What time is it? I must get ready for the party. Beep-beep! A-huh! Here they are! Yes‚ I’m coming! Child are you still there? Hmp! That’s my mama. Child are you still there? Will
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Water as a Universal Solvent * Because of its high polarity‚ water is able to dissolve most substances. * In a solution‚ the positive hydrogen side of water is attracted to the negative parts if the compound it is dissolving while the negative oxygen is attracted to the positive parts * “Like dissolves like” – describes whether one substance will dissolve in another. Water for example can’t dissolve nonpolar substances Concentrations on Solutions * Solvent: The liquid
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