Materials Literature
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INTRODUCTION Breast cancer is the most common cancer among women and the second leading cause of disease deaths. Tamoxifen (TMX) is the drug of first election in premenopausal patients with estrogen receptor (+) (1). It shows poor water solubility and vulnerability to enzymatic degradation in intestine and liver (2).…
Zirconium sulphoselenide thin films were obtained onto the thoroughly cleaned conducting glass substrate (stainless steel and FTO) using electrodeposition technique at room temperature. The deposition mechanism and growth of the films were studied by cyclic voltammetry. The X-ray diffraction analysis shows that the fi…
This work is done in the frame of recyclability of flexible cellular materials usually used in automotive interior applications. This paper presents new textiles materials as 3D nonwoven which could be used to substitute certain polyurethane (PU) foams used in the automotive industry. The developed methods for the phy…
Design of Rotman type beam forming bootlace lens have been discussed. Scattering matrix of the bootlace lens has been evaluated using the contour integral approach. Radiation characteristics of the bootlace lens have been investigated with different types of the micorstrip antenna.
The magnetism in the series of compounds (Pr0.5Nd0.5)1-xGdx Ni (x = 0 to 1) was studied using magnetisation and susceptibility. The ordering temperatures are found to increase almost linearly with x, while the saturation magnetisation in moderate fields have a minimum at x ~ 0.25. The Gd moments couple antiferromagnet…
Nanoparticles arise from a wide variety of natural and man-made sources and have a diverse array of biological, chemical, and physical properties. The toxicity of these particles can be roughly divided into two categories: 1) the enhanced delivery of toxic agents 2) toxicity induced the properties of the particle itse…
We present a generic model for electron transport through nanoscale 2-D devices based on chaotic scattering statistics. Here we focus on wires assembled from bismuth nanoclusters and propose that our scattering model extends to this novel class of devices. The wires are thin enough to confine electrons to a 2-D plane,…
Th is paper describes the results for the solidification testing using surrogate formulas for several Savannah River Site wastes using grout and sorbents with and without the incorporation of a gamma radiation shielding material. The surrogate wastestreams used during the test sequence are representative of Legacy Plu…
Most of the overpotential in the solid polymer electrolyte fuel cell is related to the cathode electrode, particularly the cathode catalyst layer. In this research work, a mathematical model for the cathode electrode catalyst layer has been developed. The model is one dimensional, isothermal, pseudo-homogeneous and us…
The nuclear renaissance has spurred the need to enrich uranium to fuel power reactors to meet the nation’s energy requirements. However, enriching uranium produces the volatile byproduct of DUF6 tails. In an ambient environment, DUF6 decomposes into uranium oxides and hydrogen fluoride (HF). This HF component makes DU…
The method of lengthwise slitting of multi-strand stock in the mill train is worked out. This method is considered to be the promising trend in development of multi-strand rollingslitting by means of breaking the bridge.
almost 20 research reactors in the country and abroad. Each reactor had to become a center for the development of nuclear science. Serially built VVR-S reactors were developed for construction; these reactors were based on the VVR-2 and IRT-M swimming pool type reactors built in 1954 at the Russian Science Center Kurc…
Illustration of the three levels of partition of the Hamiltonian matrix, for a two electron atomic system. At the left the full Hamiltonian, with diagonal blocks that do not couple angular momenta (green), and couplings (blue). In the center, the middle level of combination of one-particle angular momenta. At right, t…
Tris(1,3-dichloro-2-propyl) phosphate (TDCPP) and other organophosphate flame retardants (OPFRs) are being used as a replacement for PentaBDE in polyurethane foam. Samples of foam from furniture purchased in the USA was analyzed for BFRs and OPFRs, as was dust collected from Boston homes and air actively sampled from…
Some bonds are unique in that they are found in one molecule only. An example is the HCl bond. It is present in molecules of hydrogen chloride, but not in other molecules involving these elements, e.g., in molecules of the acids HClOn, with n = 1 – 4, hydrogen is bonded to oxygen, not to chlorine. Because the HCl bond…
Pos 1 2 3 4 5 6 7 8 9 10 11 12 13 DNF PIC 1 1 1 2 3 4 2 1 5 1 6 7 3 DNF Class T2 T3 SM SM SM SM T2 SSB SM SSC SM SM T2 SM No. 3 42 97 7 76 60 77 32 09 82 10 68 98 59
The article contains first data on diatoms composition in the forest streams of the “Bely” Sanctuary (Vychegda River basin). In total, 210 species and intraspecific taxa from 28 genera and 15 families were revealed. Taxonomical, ecological, geographical and saprobiological analyses of the diatoms are made. The taxonom…
This paper summarizes micro-satellite impact testing conducted through collaboration between Kyushu University and NASA Orbital Debris Program Office. The objectives to conduct the impact testing are to investigate: 1) the outcome of hypervelocity and low-velocity impacts, 2) the effect of impact directions, and 3) mu…
We derive an expression of the core traction contribution to the dislocation elastic energy within linear anisotropic elasticity theory using the sextic formalism. With this contribution, the elastic energy is a state variable consistent with the work of the Peach-Koehler forces. This contribution needs also to be con…
In this investigation, the discarded plasticized-polyvinyl chloride (pPVC) from the extrusion of weather-seal was added into acrylonitrile butadiene rubber (NBR). Subsequently, the effects of pPVC contents on the mechanical properties, thermal, ultraviolet and swelling resistances of NBR were studied. The results indi…