Materials Literature
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Abstract : The proposed work was focused on understanding the capabilities of polymeric materials to form interfacial structures around carbon nanotubes and other nano-carbon materials. The proposed effort led to the development of a new processing route for dispersing nano-carbons in dilute polymer solutions. This di…
We have developed photo responsible nano gels containing various functional molecules.[2-3] By means of endocytosis, the soft nano gels are internalized by cells, where the encapsulated molecules retain their functionality for more than 3 days. The encapsulated molecules are released and reactivated by UV irradiation.…
International audience
Granular systems present surprisingly complicated dynamics. In particular, nonlinear interactions and energy dissipation play important roles in these dynamics. Usually, constant coefficients of restitution are introduced phenomenologically to account for energy dissipation when grains collide. The collisions are assu…
Dalam penelitian ini; pengamatan dilakukan terhadap senyawa 1;4;10;13-tetraoxa-7;16-diazacyclooctadecane (DC) yang direaksikan dengan 2-tiopheneacetyl clorida untuk menghasilkan ionofor 7;16-dithenoyl-1;4;10;13-tetraoxa-7;16-diazacyclooctadecane (DTODC) yang digunakan sebagai bahan aktif ion selektif elektroda (ISE) u…
Co is the major contributor to the radiation build-up in nuclear power plants. Many studies have been done to develop Co-free hardfacing alloys to replace Co-based Stellite 6 which is used for valve hardfacing. The Co-free alloys should have equivalent wear resistance, cavitation erosion resistance, and oxidation resi…
Graphene and graphite are materials of high interest for many applications. In order to increase the possible uses of these materials, more must be understood about how their properties can be modified. One way to modify graphitic properties is by chemical functionalization, such as oxidation. This work looks at two d…
Penelitian ini bertujuan untuk mengembangkan proses pembuatan Ion Selektif Elektroda (ISE) senyawa ionofor turunan azacrown yang memiliki sensitifitas dan selektifitas yang tinggi dalam penentuan kadar ion logam merkuri. Pembuatan Ion Selektif Elektroda Merkuri (ISE-Hg) menggunakan ionofor sudah banyak dilakukan dilak…
V diplomski nalogi bomo predstavili toplotno izolacijske lastnost plosc iz ekspandiranega polistirena in ekstrudiranega polistirena. Skusali bomo ugotoviti kaksen je vpliv staranja na dinamicno togost in ali se dinamicna togost staranih vzorcev razlikuje od dinamicne togosti nestaranih vzorcev. Preucili bomo tudi makr…
Penelitian ini telah dilaksanakan di laboratorium Kimia Unimed dengan target membuat elektroda sebagai instrumen analisis, untuk diaplikasikan sebagai penentuan ion logam merkuri. Pembuatan Ion Selektif Elektroda Merkuri (ISE-Hg) menggunakan senyawa ionofor 7,16-dithenoyl-1,4,10,13-tetraoxsa-7,16-diazacyclooctadecane…
Energi panas yang dihasilkan oleh kendaraan roda dua sangat potensial untuk dapat digunakan kembali, panas yang dihasilkan dari exhaust kendaraan roda dua mampu mencapai 579.8oC. Untuk memanfaatkan energi panas yang tidak termanfaatkan ini maka dirancanglah sebuah pembangkit listrik menggunakan thermoelectric. Dengan…
International audience
International audience
In Korea, an advanced reactor system of 330 MWt power called SMART is being developed by KAERI to supply energy for seawater desalination as well as electricity generation. As the basic design of SMART has recently been completed, a national project to construct a scaled-down reactor of the SMART system called ‘SMART-…
A simple way is needed to estimate the amount of induced radioactivity in the samples irradiated at high-energy electron acceleratois. The gamma-ray dose equivalent at the surface of irradiated materials was calculated using EGS4 Monte Carlo when Hie residual activity is uniformly distributed in several size of a rect…
Stellite 6 has been used as hardfacing material of valve components in nuclear power plant industry and other applications. Stellite 6 contains more than 60 wt % Co and it was recognized that Stellite 6 used in valve hardfacing is one of the main sources of Co, which is the major contributor to build up the radiation…
A series of examples of increasing complexity is given of the unequivocal measurement of elemental depth profiles in thin films, typically with a depth resolution of 10 nm or better. The parameters of Fickian and related diffusion depth profiles can readily be obtained, reaction mechanisms under thermal annealing can…
With the increasing production and use of nanoparticles, the likelihood of human exposure, either accidental or intentional, and as consumers or in the occupational setting, is also increasing. It is therefore paramount to ensure the safety of these novel materials and allow for restrictions to be placed on their use,…
In the Swiss Universities of Applied Sciences, a number of research groups are involved in surface science, with different methodological approaches and a broad range of sophisticated characterization techniques. A snapshot of the current research going on in different groups from the University of Applied Sciences an…
Solarzellen auf Basis von Heterostrukturen aus hydrogeniertem amorphem (a-Si:H) und kristallinem Silizium (c-Si) sind Thema aktueller Forschungsvorhaben in der Photovoltaik. Das Zellkonzept verbindet das Potential hoher Wirkungsgrade von c-Si Wafern mit der vergleichsweise einfachen Prozessierung bei geringen Temperat…