Materials Literature
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Low consistency refining (LC) as a second refining stage, after a HC-defibration is an energy-efficient process solution. This HC-LC concept has for some time been explored in pilot scale and shown ...
A new decavanadate compound consisting of one decavanadate polyanion [V1 0 O 28 ] 6― , two protonated piperidinium cations [C 5 H 12 N] + , two doubly protonated N,N,N',N'-tetramethylethylenediammonium cations [C 6 N 2 H 18 ] 2+ and four lattice water molecules, namely, [(C 5 H 12 N) 2 H(C 6 N 2 H 18 ) 2 ][V 10 O 28 ]…
A b s t r a c t: Some of the advantages and imperfections in the cases when the X-ray powder diffraction (XRPD), Fourier transform infrared (FTIR) or Raman vibrational spectroscopy are used as a separated techniques in the process of the mineral detection, identification, discrimination and characterization are compar…
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Search for new half-metallic ferromagnetic binary compounds composed of alkaline earth and III (boron) or IV (carbon) elements is reported. Ab initio all-electron density functional theory calculations in the generalised gradient approximation indicate possibility of half-metallic ferromagnetism. This is a new class o…
Carbon nanotubes (CNTs) can be understood as one or more graphite sheets rolled up into a seamless cylinder. CNTs have gained much attention and scientific interest due to their unique properties and potential applications since their discovery in 1991. In the present work, we have deposited Ni95Ti5 film using thermal…
The continuum-rod model has emerged as an efficient tool to describe the long-length-scale structural-deformations of DNA which are critical to understanding the nature of many biological processes such as gene expression. However, a significant challenge in continuum-mechanics-based modeling of DNA is to estimate its…
If $\varphi$ is a Pisot substitution of degree $d$, then the inflation and substitution homeomorphism $\mit\Phi$ on the tiling space ${\cal T}_{\mit\Phi}$ factors via geometric realization onto a $d$-dimensional solenoid. Under this realization, the co
Purpose: The paper presents results of the research connected with the development of new approach based on the neural network to predict chemical composition and cooling rate for the mechanical properties of the Mg-AlZn cast alloys. The independent variables on the model are chemical composition of Mg-Al-Zn cast allo…
Abstract A series of unsymmetrical difluoro‐boron(BF2) complexes with pyridine and imidazoline were synthesized by reaction of new chelating ligands (arylmethyl‐imidazolidinylidene)‐pyridin‐2‐yl‐amine with boron trifluoride diethyl etherate. All the ligands and BF2 complexes were structurally characterized by IR, HRMS…
Organic fluorescent hosts which can exhibit sensitive color and fluorescence changes upon formation of host-guest inclusion complexes in the crystalline state can be one of the most promising materials for the construction of desirable solid-state fluorescent system and are attractive materials for their potential app…
Quarterly average values of radioactivity levels in airborne particulates, surface water, drinking water, milk and mixed diet are reported for the twenty five countries of the European Union (sparse and dense network) for the years 2004-2006.
During laser welding of overlapping zinc-coated steel sheets typically blowouts as a defect can occur. They can be crucial to the mechanical performance and to the optical appearance of the product. In the present research approved regions are compared to regions where the blowouts are in majority. Time-dependent radi…
Synthetic pure gyrolite prepared under hydrothermal conditions (32 h, 200 °C) from a stoichiometric composition (CaO/SiO2 = 0.66) of calcium oxide and a fine-grained SiO2·nH2O mixture can easily adsorb water vapour. The equilibrium quantity of adsorbed water vapour was estimated from desorption thermo-grams. It was de…
In the days following the incident which occurred in Sector 3-4 of the LHC, a Task Force was constituted by experts from the relevant LHC systems, with the mandate to establish the sequence of facts, based on experimental observations and measurements, to analyse and explain the development of events, in relation with…
UV-curable leucodye-based thermochromic inks with activation temperature of 31 °C in blue, red and black shades were analysed. The colour of samples does not depend only on their temperature but also on thermal history – they show colour hysteresis. Similar hysteresis loops were obtained for the red and blue samples a…
Recently, many studies are being conducted to realize high quality polishing technology, but because of high dependence on field experience and insufficient research for ultra-precision polishing technology, it is difficult to establish standardization of polishing conditions. The purpose of this study is to determine…
Abstract : Near-field blast loading on a target and the correlation between the charge design and blast impulse were determined and evaluated by using the U.S. Army Research Laboratory (ARL) blast bar gauge and the ARL blast integrator (BI) device. The term near-field refers to a distance less than or equal to ten cha…
Thin films of Cu4SnS4 were grown by chemical bath deposition technique. The deposition parameters such as bath temperature (50 °C), deposition time (120 min), electrolyte concentration (0.05 M) and bath pH (pH 1.5) were optimized to obtain good quality of films. The thin films were characterized using X-ray diffractio…
Two non-functionalized hypercrosslinked polymeric resins type Macronet (MN 202 and MN 250) were employed to remove nhexane vapors from gas phase.A comparison of the equilibrium behavior of these hypercrosslinked resins and a bituminous granular activated carbon was made.The initial n-hexane concentration in the air st…