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(total 85)

A New Approach to Studying Cloud Technologies in Robotics

Russia, Engineering
Dmitrii Sukhotckii
Today’s robotics needs experts capable not only of designing state-of-the art robots but also of setting up global databases for them to use. Professional training in relevant subjects must begin in the school age. To that end, a new concept focused on school students is proposed for studying cloud technologies in robotics. The project builds upon basic knowledge of school-grade mathematics. Robot interactions with the cloud are modeled for study purposes using a robotic construction set together with a server emulating the cloud.
Shapes studied in the school geometry class can be used as scenery for the working area. The robot uses its sensors to discover an object and transmits its path to the server as it moves around the object. By matching the robot’s path to a set of features describing various objects, the server determines the type of a particular object and then performs computations necessary to model robot’s behavior. All this data is input into a database. Special attention is paid to describing object features in order to populate the database.
Future plans call for replicating these objectives in RoboEarth, the European cloud robotics project.
An application-specific microcontroller module enables supplementing the robot with various sensors and servo drives. Therefore it is possible to evolve the project toward designing a multifunction educational robot or one for partaking in contests.
Actualized: 18 Sep 2013
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A Novel Modular Repulsive Type Hybrid Magnetic Bearing for FES Systems

USA, Engineering
Zeyu Liu
Billions of dollars are invested annually in finding more efficient ways of storing energy. Although technologies for chemical batteries are mature, their drawbacks prevent them from being the most efficient energy storage device. Flywheel Energy Storage (FES) systems store energy as rotational energy. They have many advantages over chemical batteries including a higher energy density, freedom from capacity degradation, and extremely fast recharge. These make them ideal for storing electrical energy for applications that demand large reservoirs of power. However, FES systems can be subject to issues such as energy loss through friction and mechanical instability. This research highlights the construction and testing of an innovative hybrid magnetic bearing designed for FES systems. The device consists of two permanent magnetic bearings, two electromagnetic bearings, and two thrust bearings. The permanent magnet bearings provide most of the levitation while the electromagnetic bearings stabilize the system. A PID control algorithm is used to control the electromagnetic bearing. The whole system is modular which makes it easy for maintenance and expansion. Vibration and force tests demonstrated that the system is mechanically stable and resilient to external forces. Flywheel tests demonstrated that the hybrid bearings greatly increased energy storage capacity, reduced recharging time, and reduced energy loss of the flywheel. With further development, it is likely that the advantages of this novel magnetic bearing system will increase the viability of FES systems and enable the implementation of these systems as the main source of high capacity energy storage in applications like electric cars.
Actualized: 18 Sep 2013
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A statistical investigation of the effects of diazotroph bacteria on plant germination

Ireland, Biology
Ciara Judge, Emer Hickey, Sophie Healy-Thow
Diazotroph bacteria are well known to have a symbiotic relationship with the legume plant family whereby the bacteria thrive while providing energy to the plant itself via the nitrogen fixation process. The project outlines an extensive experimental program to assess the impact of such bacteria on non legume crop species. The results show that two types of the rhizobium family of Diazotroph bacteria produce a statistically significant acceleration ( increase of 17% for Rhizobium leguminosarum and 28% for Rhizobium japonicum; p<001 ) in the rate of barley crop germination. The results are based on an analysis of the performance of over 5,290 seed samples in 105 experimental runs over a 6 month period. In barley field trials, Rhizobium japonicum bacteria inoculated at 6x106cfu/ seed also increased growth rates and gave a 13.2% (p=0.0328) dry mass yield improvement. The studies have significant potential for improving the productivity of valuable food crops by increasing yields, reducing fertiliser use, and by reducing losses due to disease and weather. Opportunities to commercially scale up bacterial treatment of seeds treatment are being investigated. Investigations continue into the application of diazotroph bacteria in the germination phase of the malting process in brewing.
Actualized: 18 Sep 2013
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A web based interpreter Rhodeus Script

Turkey, Computing
Talha Durmuş
The aims of the project were finding out how to implement an interpreter, actually implementing one, learning about the architecture of programming languages, and setting an example for others who may also be interested in similar projects. This project was created as a new interpreter which would have a simpler syntax than the other programming languages. The interpreter developed in this project was influenced by PHP, Python, D, and Ruby. The implementation of the interpreter took advantage of both finite automata, which is already in use in many other interpreters, and the HumanLook algorithm, which was developed by the author.
Actualized: 18 Sep 2013
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AUTONOMIC ACCUMULATOR CHARGING DEVICE

Georgia, Engineering
Guram Beraia
Power harvesting systems that utilize rechargeable batteries are the key to developing commercially viable self-powered electronic systems. For these reasons, the goal of research was to increase the efficiency of the piezoelectric generators. Charging current depends on the piezoelectric tools, applied force, oscillation duration, frequency and system damping factors. There can be constructed autonomic accumulator charging device. It represents the shoe, at the heel of which is installed piezoelement with the mechanism, which accumulates the energy at the motion due to gravitational force. Mechanical strike generates electric voltage on the PZT piezoelement and the resonant LC-contour, which by the electromagnetic induction is connected to the electric current rectifier and to the battery. Resonant LC contour exhibit high efficiency of the PZT crystal due to secondary reverse piezoelectric effect- the internal generation of a mechanical strain resulting from an applied electrical field.
Actualized: 18 Sep 2013
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Algorithms for generating trees

Belarus, Computing
Uladzislau Paulovich
Geometric models of trees are used in many areas of modern computer graphics, such as advertising, animation, games, programs, landscaping, etc. The result of such programs depends on the realism of used images. The main purpose of investigation was to create effective software tool for generating geometric models of trees. There was also an attempt to make the interface of program as simple as possible. It was written by two slightly different algorithms. Also was written an easy-to-use library that can be easily integrated into any project. The resulting three-dimensional models are saved in a well known format .obj.
Actualized: 18 Sep 2013
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An Innovative Zipper Puller

Austria, Engineering
KaiZheng Li
For the people who have used a plastic zipper bag, they know that plastic zipper bags are convenient but extremely nondurable. Due to the material used and the structure of the zipper pullers of plastic zipper bags, those zipper pullers easily slip out of their positions with even a slightly firm pull. Without a zipper puller, the plastic zipper bags are worthless. Probably eight out of ten are scrapped in advance because of the falling off of their zipper pullers. An innovative zipper puller with “stop pole” adding to the base of its dividing piece has been developed. All products made with new zipper puller are durable and safer. (1) Innovation: This type of zipper pullers has received “utility model” patent certificate and “design patent certificate from China's State Intellectual Property Office. The design of this type of zipper pullers is full of initiative. (2) Scientificity: By adding “stop pole” to the base of dividing piece of regular zipper pullers, the project realizes a change in zipper pullers in limit, which is a transformation from the traditional way of limiting by depending on welding edges and auxiliary stopping position to fix to a self-limiting way of zipper pullers. Though it is only a small innovation in the design, it fundamentally solves the major problem of plastic zipper puller falling off easily. (3) Practicability Technology transfer contracts of the patent of this type of zipper pullers have been signed with companies in Hong Kong and China mainland.
Actualized: 18 Sep 2013
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Analysis of the aquatic humic substances in Lake Harku using high pressure liquid chromatography

Estonia, Environment
Mari Liis Pedak
The objective of the research project was to investigate the aquatic humic substances (AHS) in the lake Harku, Tallinn, Estonia. AHS are a major fraction of dissolved organic material in natural water which play a significant role in the carbon and energy cycle, and can have effect on food chains in aquatic systems. Despite remarkable advance in recent years, there is still insufficient data about the composition, and temporal and spatial variability of AHS in northern natural ecosystems, including water bodies in Estonia. Variation of the AHS with the changing weather conditions and the aquatic environment in the lake was investigated. In the experimental part the high pressure liquid chromatography (HPLC) method was applied. As a result this research 1) has produced new scientifically accurate information about humic substances in a northern natural ecosystem; 2) identified the major components of AHS, and assessed molecular weights and rates of AHS first time in the polluted lake Harku; demonstrated the dependence of the concentration of AHS on water temperature and the amount of nutrients in water; 3) identified the dangerous pollutants in the lake Harku, which are not systematically monitored; demonstrated the usefulness of the HPLC method for environmental research.
Actualized: 18 Sep 2013
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Anastomose Robot Tool - ART

Austria, Engineering
Thomas Steinlechner, Dominik Kovacs, Yuki Trippel
Anastomosis Robot Tool (ART) is an advancement of the surgical instrument “circular stapler”. It may be used in surgery to reconnect two ends of bowel after a bowel resection (i.e. cutting out a segment of large bowel that is affected by cancer). In order to realise a minimally invasive operation for all parts of the large bowel it was necessary to miniaturize the circular stapler and execute all movements and actions in an electromechanical way. Remote control and the small dimension allow the surgeon to move ART through the whole large bowel.
Actualized: 18 Sep 2013
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Antibacterial substances in clothes - do they fulfil their purpose?

Sweden, Biology
Martin Göök Johansson
During recent years, the usage of several domestic antibacterial substances has increased. Triclosan is such a substance and it has also proven to be a toxic substance. Triclosan has also known to cause long term catastrophic effects on the marine environment and can potentially disrupt the endocrine system and the reproduction of marine species. It can also disrupt the reproduction North American bullfrogs. The purpose of this study has been to find out whether Triclosan, has any antibacterial effect in socks. I have also found out if Triclosans antibacterial properties are reduced after wash. My results indicate that that Triclosan does not have any significant antibacterial effect in socks, compared to untreated socks. In my paper I discuss whether Triclosan can be removed from the market.
Actualized: 18 Sep 2013
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Aranese and Gardiol: phonetic study about two poles of the Occitan language.

Spain, Social sciences
Roger Ferran i Baños
Aranese and Gardiol, phonetic study about two poles of the Occitan language compares the phonetics of these Occitan varieties showing their differences to determine if Occitan is a single language or not. In order to do it, a very extensive study is required; but I could only study from this point of view because my High School limited my work in 70 pages. Therefore, my project cannot completely demonstrate if we are talking about one or more languages. But, despite all, as there is mutual intercomprehension between both varieties and the so-called standard Occitan (Languedocien), it is possible to classify Occitan as a single language. This project has also another objective: to divulgate what are Aranese and Gardiol, because although Occitan is official in Spain (in Catalonia), it is an unknown reality and a seriously endangered language.
Actualized: 18 Sep 2013
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Aspirin and salicylic acid in the combination with inhibition of PI3K promote cell death in malignant melanoma

Slovakia, Medicine
Emília Petríková
Aspirin – acetylsalicylic acid and salicylic acid are anti-inflammatory drugs. Because of their acts on cyclooxygenases and NF-kappaB, aspirin and salicylic acid are recently tested as a cure for various types of cancer. Malignant melanoma is a very dangerous type of cancer responsible for 75 % of death realted to skin cancers. There is still a lack of effective treatment of melanomas. We decided to try the ability of these drugs to suppress the proliferation of melanoma cell lines. Tests of cell viability and Western blot assays showed that aspirin or salicylic acid could be used to trigger apoptosis in malignant melanoma cells when they are combinated with Gossypol, an inhibitor of PI3K. These results can help in finding a treatment for malignant melanoma in future.
Actualized: 18 Sep 2013
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Astrobiology: to what extent can life-supporting amino acids form on cosmic dust?

Denmark, Chemistry
Alexander Mørch
Astrobiology and Amino Acids We know a surprising amount of information about how the universe was created. We know a surprising amount of information about how the Sun came about and how its planets formed around it. But the concept of how life evolved on Earth remains an unresolved albeit miraculous mystery. My project is focused on investigating the origin of some of the key molecules believed to have been involved in reactions intricately linked to life – molecules like amino acids. Research is indicating that the Earth’s initial supply of amino acids was from outer space, which is why scientists have been searching for them in extraterrestrial environments for years on end. I believe to have found a molecule that can act as a precursor to amino acids and is perhaps even responsible for our presence in the universe.
Actualized: 18 Sep 2013
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Automated system for searching deffects and quantitative evaluation of damaged surfaces

Ukraine, Engineering
Illya Litkin
Problem of flaw detection is actual in modern industry and science. Typical defects of surfaces are cracks. The aim of the project was to create automated system for fixation, visualization and calculation of quantitative characteristics of cracks and other formations on solids with help of computer technologies. The main task of research was creating technical complex (mini lab) for visualization and processing images by computer program for evaluation quantitative characteristics of defects on solids surfaces. For visualization surfaces we proposed mini lab consist hand made microscope (500 times enlargement) with USB output and computer. Computer program for processing was created with special algorithm that was invented by us. Offered method and computer program is universal for researching micro and macro surfaces. Processing photos by special programs on the spacecrafts and sending final results as tables and plots can be effective because much important information about planets formations and inside processes we can get from cracks on the surfaces.
Actualized: 18 Sep 2013
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Autonomous Arduino-based recirculation of radiosondes

Switzerland, Engineering
Alex Hönger, Nicolas Mesot
In our work we analyze the feasibility of an autonomic return of radiosondes. These instruments are used to measure different atmospheric values up to 30 kilometers height. Daily, over 1000 radiosondes are started and many of them will never be found. Our idea is to bring them back with a glider. The first part of our work deals with the feasibility at many different degrees (economic feasibility, legislation, physical and technical feasibility etc.). The second part was to program an autopilot for a model airplane in the field of vision of the pilot in sort to gain experience for the prosecution of our final goal, an automatic system to bring back radiosondes to their starting point.
Actualized: 18 Sep 2013
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Connection Between Optimization Programs and Quantum Chemical Software Packages: Its Use in Exploring Hypersurface of Potential Energy

Czech Republic, Computing
Lukáš Červenka
Today, various optimization algorithms exist which can effectively find stacionary points of functions. There are also quantum-chemistry software packages which contain different types of energy computation. The software package I made represent a novel software bridge between these two groups of programs. The main function of the developed software package is to find stable structures or structural isomers of, in principle, any molecule. The developed bridge has been applied to finding classical equilibrium structures of ionized clusters of helium HeN+, N = 3 - 10. These clusters are very important in modeling of cold helium plasma which has been shown recently to have great potential for medical applications (non-destructive and highly efficient sterilization, chronic wounds healing). The use of cold helium plasma jets in medicine is currently extensively investigated by several laboratories worldwide.
Actualized: 18 Sep 2013
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Constant diameter sets and their applications

France, Mathematics
Fabian Rainouard, Margaux Le Brun
For two years, we have been working on constant diameter sets. They are flat geometrical figures with a distance between two points which is always inferior or equal to the diameter. The circle is an example of constant diameter set but there are many others. After drawing and building some models of these sets, we tried to work out properties that they could have. Then, we did a study in 3D. For a few months we have been thinking about applications of the theory. Cams and British coins are the most famous applications. But the application to tubular boilers is an innovation. Moreover it’s a good illustration of the properties of constant diameter sets and could result in a patent.
Actualized: 18 Sep 2013
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Daylily (Hemerocallis L.). A New Method of Breeding and Cultivation

Lithuania, Biology
Edvinas Misiukevičius
Over the last 10 years daylily breeding has reached its peak, however, the majority of daylily varieties are created in the U.S.A., thus making them barely resistant to the Lithuanian climate. Hence, I decided to create a new variety of daylilies resistant to the climate of Lithuania. To fasten the process, I decided to grow the seedlings indoors, which shortens the bloom time to 9 months. I investigated 3 main factors: temperature, pollination time and ploidy (tetraploid or diploid), and found that the best time for crossing daylilies is 10 a.m., the most efficient temperature is 18-20 °C, and the diploids set pods better than tetraploids. The main result is a new variety of daylily – Hemerocallis ‘Mitsu’, which I tested for 3 years, and it grows well after winter.
Actualized: 18 Sep 2013
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DeafTalk – analysis and recognition of human gestures

Bulgaria, Computing
Nikolay Dakov
The project analyzes one very interesting problem - the recognition of human gestures. It is separated in two parts. The first part of the project is a library for recording and recognizing gestures. It is useful for the developer community because it is easy to use and effective. It can be used for creating modules in existing software. In general, it will be capable of improving the user experience regardless their speaking and hearing disabilities. The functuality of the library is based on a combination of Kinect and advanced machine learning algorithms like Hidden Markov Models and Support Vector Machines. The second and more important goal of the project is to facilitate in the communication of deaf people by creating products that uses the library and can recognize the sign language. This can help many people and make their lives easier and better. Taking into account the relevance of our system, we hope that it will find applications in many different fields.
Actualized: 18 Sep 2013
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Determination of the temperature and spectral classification of stars: an experiment in astrophysics

Portugal, Physics
Sofia Fernandes, Pedro Oliveira, Ana Sofia Lopes
The experimental Astrophysics project in the spectroscopy area is aimed to obtain star temperatures and its spectral classification. Thus, two different methods were used accordingly to the star’s emission peak whether within the “visible” spectrum or not: 1- The first method enabled us to accomplish the estimation of the star temperature applying Wien’s law, taking into account the wavelength where the stars has the maximum flow. 2- The second method consists in using a Plank curve (black body radiation fit) applied to a spectrum, and therefore we estimate its temperature. It is to mention that our project can be easily replicated in various schools throughout the world as an effective and interesting experimental exercise in astronomy.
Actualized: 18 Sep 2013
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