Concrete is an indispensable construction material of modern age. The properties of concrete are greatly dependant on the constituents, workmanship, water-cement ratio, compaction, curing etc. Direct assessment of the strength of concrete is not possible because direct tests induces destructive stresses and causes failure of the structure. So the concrete strength is tested using standard specimens made with the same mix as that of the structure. But the test specimens can vary from the actual structure in properties due to difference in compac ....etc

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There is also an amazing, 220,000 square foot Convention Center on the premises. These companies also follow up through their customer service making sure you get precisely what you needed. A personalized custom label or iron on .
Boston, Mass.,- Kip Hollister, Founder CEO of Boston-based staffing firm Hollister, spoke at the Massachusetts Conference for Women on December 10th. The conference, strongly geared towards female job-seekers and businesswomen, drew in over 5,000 attendees. In addition to a broad variety of panelists, the conferenc ....etc

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In this paper, the implementation of a shunt active power filter with a small series reactor for a three-phase system is presented. The system consists of multiple non-linear loads, which are a combination of harmonic current sources and harmonic voltage sources, with significant unbalanced components.The filter consists of a three-phase current-controlled voltage source inverter (CC-VSI) with a filter inductance at the ac output and a dc-bus capacitor. The CC-VSI is operated to directly control the ac grid current to be sinuso ....etc

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Non-rocket spacelaunch is the idea of reaching outer space mainly without the use of rockets, which today is the only method in use. Transportation to orbit is often the limiting factor in space endeavours. Present-day launch costs are very high ” $3,000 to $25,000 per kilogram from Earth to Low Earth Orbit (LEO). To settle space, e.g. space exploration and space colonization, much cheaper launch methods are required, as well as a way to avoid serious damage to the atmosphere from the thousands, perhaps millions, of launches required. Man ....etc

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Non Conventional Energy System




Throughout the history of human kind, energy has been an important factor is development. The availability and exploitation of new energy sources has made possible major economic and social changes. Modern societies requiring a large amount of energy used in agricultural, industrial and transport uses. Energy sources can be classified as commercial energy sources and non-commercial energy sources. Commercial sources includes fossil fuels (coal, oil, Naturalgas) while non-commercial energy sources includes ....etc

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Introduction
Throughout the history of human kind, energy has been an important factor is development. The availability and exploitation of new energy sources has made possible major economic and social changes. Modern societies requiring a large amount of energy used in agricultural, industrial and transport uses. Energy sources can be classified as commercial energy sources and non-commercial energy sources. Commercial sources includes fossil fuels (coal, oil, Naturalgas) while non-commercial energy sources includes wood, animal waste agricu ....etc

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Medical information implies all information related with treatment of the patient, and is, by its nature, the most sensitive and important information in terms of the privacy of the individual. Recently, laws, policies, and technological standards are rapidly developing to safely protect the medical information of the individual. This paper proposes a model that applies fingerprint recognition technology to the medical information system, to guarantee a reliable electronic medical record system. The proposed model provides an identification and ....etc

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Concrete is an indispensable construction material of modern age. The properties of concrete are greatly dependant on the constituents, workmanship, water-cement ratio, compaction, curing etc. Direct assessment of the strength of concrete is not possible because direct tests induces destructive stresses and causes failure of the structure. So the concrete strength is tested using standard specimens made with the same mix as that of the structure. But the test specimens can vary from the actual structure in properties due to difference in compac ....etc

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Non Visible Imaging

Near infrared light consists of light just beyond visible red light (wavelengths greater than 780nm). Contrary to popular thought, near infrared photography does not allow the recording of thermal radiation (heat). Far-infrared thermal imaging requires more specialized equipment. Infrared images exhibit a few distinct effects that give them an exotic, antique look. Plant life looks completely white because it reflects almost all infrared light (because of this effect, infrared photography is commonly used in aerial photog ....etc

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The study of micro cracks in concrete is very important to understand its behavior under loading and to improve this material. The direct observation in a scanning microscope is not a suitable method because the concrete is subject to drying shrinkage. Another indirect and non destructive method of observation by SEM is proposed. With this method using a single replica the micro cracks of concrete can be observed better than 0.5 µm. ....etc

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