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  • Physical routes for the synthesis of kesterite
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    nbsp 0183 32 Research on renewable energy sources and more precisely photovoltaic PV solar cells takes place in a world-wide effort to meet the growing energy demand and to tackle climate change The use of chalcogenide materials such as Cu In Ga S Se 2 as absorber layer in solar cells has drawn a major attention in the scientific community over the past 40 years with a world record efficiency of 23...

  • 1911 Encyclop 230 dia Britannica/Germany
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    nbsp 0183 32 Of the stud farms Trakehnen in East Prussia and Graditz in the Prussian province of Saxony enjoy a European reputation The aggregate number of sheep has shown a considerable falling off and the rearing of them is mostly carried on only on large estates the number showing only 9 692 501 in 1900 and 7 907 200 in 1904 as against 28 000 000 in 1860...

  • 1922 Encyclop 230 dia Britannica/Czechoslovakia
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    nbsp 0183 32 In its output of graphite Czechoslovakia takes second place among European countries Great Britain being the first Naphtha wells are working with favourable results at Gbely in Slovakia and researches in progress at other points Russinia promise results that would make Czechoslovakia independent of foreign sources in respect of petroleum even if no surplus were produced for export...

  • Developing a graphitic white iron for abrasive wear
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    nbsp 0183 32 Addition of graphite to white iron mill rolls has also been shown to improve wear resistance contents were calculated using FactSage Equilibrium module version 7 1 using database FSstel As shown in Fig 1 carbon promotes the formation of graphite 7 C...

  • Ceramic engineering
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    nbsp 0183 32 Ceramic engineering is the science and technology of creating objects from inorganic non-metallic materials This is done either by the action of heat or at lower temperatures using precipitation reactions from high-purity chemical solutions The term includes the...

  • Black liquor
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    nbsp 0183 32 In industrial chemistry black liquor is the by-product from the kraft process when digesting pulpwood into paper pulp removing lignin hemicelluloses and other extractives from the wood to free the cellulose fibers The equivalent material in the sulfite process is usually called brown liquor but the terms red liquor thick liquor and sulfite liquor are also used...

  • Oriental Powder Company
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    nbsp 0183 32 Early European settlers built a sawmill powered by the falls In 1824 the sawmill was converted to a powder mill by Edmund Fowler and Lester Laflin Their Gorham Powder Company became known among the local population as the Gambo powder mills...

  • Powder mill
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    nbsp 0183 32 A powder mill was a mill where gunpowder is made 1 from sulfur saltpeter and charcoal Crude grinding and mixing operations like the Frankford Powder-Mill of Philadelphia were a cottage industry until the industrial revolution brought improved product quality through the following procedures...

  • Design of alternative binders for hard materials
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    nbsp 0183 32 In 2011 the European Comission included Co and W in the European list of critical raw materials renewing their membership in 2014 and 2017 subsequent lists On the other hand recent investigations have demonstrated the toxicity of Co and its hazardous combination with...

  • Philosophy of Sport Stanford Encyclopedia of Philosophy
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    nbsp 0183 32 While sport has been practised since pre-historic times it is a relatively new subject of systematic philosophical enquiry Indeed the philosophy of sport as an academic sub-field dates back only to the 1970s Yet in this short time it has grown into a vibrant area of...

  • Engineering360
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    nbsp 0183 32 Engineering360 is a search engine and information resource for the engineering industrial and technical communities We help you quickly find industrial parts specifications and services Gorilla Glue on Vinyl Fence Posts Posted in CR4 Feedback I live in...

  • Thermoelectrics From history a window to the future
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    nbsp 0183 32 This happened more than twenty years before Johann Seebeck Tallin April 9 1770 - Berlin December 10 1831 a German physicist from a wealthy Baltic German family of merchants observed that a closed circuit made of two dissimilar metals i e a thermocouple deflects a compass magnet placed in proximity of the circuit when the two junctions of the circuit are not isothermal the angle of...

  • Wrought iron
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    nbsp 0183 32 Wrought iron has been used for many centuries and is the quot iron quot that is referred to throughout Western history The other form of iron cast iron was in use in China since ancient times but was not introduced into Western Europe until the 15th century even then due to its brittleness it could be used for only a limited number of purposes...

  • Barrett Jackson Gen V sales
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    nbsp 0183 32 If this is your first visit be sure to check out the FAQ by clicking the link above You may have to register before you can post click the register link above to proceed Was watching Palm Beach FL Barrett Jackson auction on Utube Did you know on day 3 the...

  • Poole Vikings Model Club/IPMS Dorset/Dorset BMSS
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    nbsp 0183 32 This model of the King Tiger also known as the Sd Kfz 182 was the early version having the Porsche turret the final version had the Henschel turret although both turrets were made by Krupp the main reason for the change in design is because if a shell from...

  • Morgan Dehnel
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    nbsp 0183 32 About Dr Morgan Dehnel received his Ph D in Accelerator Physics from TRIUMF/UBC in 1995 for the study of axial injection systems for H 175 cyclotrons used for radioisotope production Morgan Dehnel is the Founder of D-Pace Inc and its precursor DCL 1995...

  • Advanced Curation of Astromaterials for Planetary Science
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    nbsp 0183 32 Just as geological samples from Earth record the natural history of our planet astromaterials hold the natural history of our solar system and beyond Astromaterials acquisition and curation practices have direct consequences on the contamination levels of astromaterials and hence the types of questions that can be answered about our solar system and the degree of precision that can be...

  • Slavka Sverakova on Art
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    nbsp 0183 32 In the context of visual art Moore images connect to European 19thC narrative paintings and in the way the lens dwells on objects they admit themsleves to the long line of still lives Chardin and mid 19th C realism come to mind...

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