Materials Literature
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Organic Photovoltaic devices (OPV) are considered to be attractive candidates for clean and renewable energy source because of their potential for low cost of fabrication, easy processing, and their mechanical flexibility. The device efficiency of OPV cells are limited by several factors. Among them are: (i) donor-acc…
Primary black columnar Al-rich schorl to rare fluor-schorl, locally overgrown by brownish green fluor-elbaite from the Kracovice pegmatite (mixed NYF + LCT signature; Moldanubian Zone, Czech Republic) was partly replaced by a mixture of secondary fluor-elbaite plus the assemblage allanite-(Ce) and chamosite. Substitut…
Import 26/06/2013
Nickel–Phosphorous–Molybdenum disulphide composite coatings were prepared using electroless nickel bath containing Molybdenum disulphide (MoS2) particles. Plain Ni-P coatings were also prepared for comparison. Sodium Lauryl Sulphate (SLS) as a surfactant was used to disperse the second phase MoS2 particles in the bath…
Insulation is widely used in constructions of roofs, facades and fire protection. Using of dual-density allows to obtain not only a strong thermal insulation but also has a high operational stability. Product structutre is formed in the stage of mineral wool carpet and fixed during thermal processing. Manufacturing of…
The polymer coated cells were shown to be stably attached to bone fragments for at least 2 hours, confirming the bone targeting potential of the polymer. Our next step will be to test this approach in rat model of osteoporosis to determine its actual performance in vivo.
Les materiaux composites sont constitues de plusieurs composants elementaires, dont l'association confere un ensemble de proprietes qu'aucun des composants, pris separement, ne possede. Des lors, ils peuvent repondre aux cahiers des charges de nombreuses applications et leur utilisation ne fait que s’accroitre aux cou…
After its experimental discovery in 2004, graphene has been the topic of intense research. Its extraordinary linear dispersion relation in the vicinity of the Fermi surface allows the study of relativistic quantum mechanics in a condensed-matter context. The gapless spectrum is beneficial in, for instance, optical app…
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Calculations of technological admissions of planned and vertical position of designs at erection of an one-storeyed industrial building are executed. The analysis of the received results of calculations is made by methods: a maximum-minimum with application of ways of equal admissions and equal accuracy and likelihood…
Accumulative roll-bonding (ARB) is a severe plastic deformation technique which is used \nfor ultrafine grains development in bulk laminates. Composite laminates of dissimilar \nmaterials can also be bonded through ARB. In the present work different purity aluminium \nlaminates are roll bonded and annealed at differen…
In the work the Raman spectroscopy method is applied to studying of nucleinic acids, in particular to researching of DNconformation.
Nanometric thin films are used widely throughout various industries and for various applications. Metallic thin films, specifically, are relied upon extensively in the microelectronics industry, among others. For example, alloy thin films are being investigated for CMOS applications, tungsten films find uses as contac…
With ever increasing demand for faster production speeds to remain global competitiveness, the packaging industry relies on incorporating slip additive to polyolefin. Though reduced coefficient of friction fastens the production, the quality of film obtained is doubtful. The property enhancement of film can be achieve…
(Table 2) Haemolymph parameters of Pecten maximus at rest and after exercise following long-term incubation under normocapnia (seawater PCO2 ~0.040 kPa) and hypercapnia (seawater PCO2 ~0.112 kPa) at 10 °C
Motivation for the current paper comes from the expected enhancements in mechanical and viscoelastic properties of unvulcanised Natural Rubber (NR) reinforced with nano-dimensioned Graphene Oxide (GO). Due to their large aspect ratio, specific surface area and tensile stiffness these nano-dimensioned particles are exp…
Latar belakang: resin komposit microfine adalah salah satu jenis resin komposit yang memiliki daya serap yang tinggi terhadap cairan, tetapi mempunyai bau yang tidak enak. Oleh karena itu, ekstrak mint (cairan) perlu dimasukkan pada resin komposit tersebut. Sifat mekanis resin komposit dapat diketahui salah satunya me…
Research on the cure and early detection of diseases such as diabetes, Alzheimer's, and Parkinson's is becoming of great interest due to the increasing number of people affected by them every year. An accurate and quick detection of various damaging species is highly critical in treatments of such diseases not only fo…
Auger electron intensity of Si-LVV from Si(001) 2×1 surface has been measured at room temperature (RT) for while changing the glancing angle of incident electron beam of RHEED. Such beam-rocking Auger electron spectroscopy (BRAES) profile shows intensity anomalies at surface wave resonance (SWR) conditions. Surface st…
Com uso da difracao de raios X por po, e possivel determinar parâmetros fisicos de uma rede cristalina e ate quantificar suas fases. Alguns desses parâmetros sao: as dimensoes da celula unitaria (parâmetros de rede), seu volume, tamanho de cristal, microdeformacao e etc. Contudo, e preciso ser cauteloso com a preparac…