Materials Literature
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Abstract Clomazone is microencapsulated and sold in the U.S. as a dispersion in water, a capsule suspension (CS), under the name Command®®Command is a trademark of FMC Corporation. 3ME herbicide. Our encapsulated formulation reduces the volatility of the active ingredient when it is applied to the soil surface in a ty…
Thermodesorption of samarium (Sm) atoms and samarium oxide (SmO) molecules from samarium films deposited in vacuum onto tungsten substrates covered with thin (<1 nm thick) layers of tungsten oxides has been studied. It is established that samarium reduces tungsten from its oxides. The parameters of Sm and SmO desorpti…
Nanoscale lanthanum manganites (LaMnO 3+ δ ) were prepared with thermal decomposition of precursors derived from hydrothermal synthetic method. Transmission electron microscopy (TEM) and X-ray diffraction (XRD) revealed that the as-prepared sample is composed of nanofilaments in an amorphous form. The as-prepared nano…
Abstract The rings of the (±)-trans-1,2-bis(tert-butyldiphenylsiloxy)-, (triisopropylsiloxy)-, and (tert-butyldimethylsiloxy)cyclohexanes prefer a diaxial chair conformation in the crystal state. The ring of the tert-butyldimethylsiloxy derivative switched its chair conformation between the diaxial and a diequatorial…
Low carbon steel substrates were galvanised in molten zinc containing 0·5 and 1 wt-% chromium. The as cast coatings were exposed in a salt spray chamber for 2, 6, 10 and 14 days. The corroded samples were examined with optical microscopy, scanning electron microscopy and X-ray diffraction. From the above investigation…
Charged-particle transport is characterized by scattering cross sections that are extremely large and forward-peaked, requiring specialized treatment as compared with neutral-particle transport. The extended-transport correction (ETC) is known to be an effective method to treat elastic scattering of electrons. We appl…
This work presents the next step following a previous effort (Raad et al., 2006) toward creating a coupled experimental-computational technique devised for the full characterization of the thermal behavior of complex three-dimensional active submicron electronic devices. A newly developed CCD based thermoreflectance t…
Species composition and abundance of the phytoplankton of the Morava and Dyje Rivers are evaluated. Samples were collected at Olomouc, LanĹžhot, DevĂn (the Morava River) and at Pohansko (the Dyje River) in May and August 2006. Both concentrated samples using plankton net and free water were taken at each sampling poi…
The growth of NH 4 Cl crystals and their trapping of copper impurity in the NH 4 Cl-CuCl 2 -H 2 O-CONH 3 quaternary system have been experimentally studied. The epitaxial adsorption of copper complexes on (100) faces leads to a sharp decrease in the growth rate in good correspondence with the Bliznakov-Chernov equatio…
Abstract The air drawing model of polymer in spunbonding is established. The air drawing model of polypropylene polymer in spunbonding is confirmed by the experimental results obtained with the help of our university's equipment. The predicted filament fiber diameter is in accordance with the experimental data. The ef…
Some of the chitosan properties depend largely upon its molecular structure and in several applications of this polymer its lowered molecular weight is an asset. By degrading of microcrystalline chitosan in the presence of cellulolytic enzymes, the products having a reduced molecular weight were prepared, together wit…
The properties of porous films obtained by sintering a layer of polytetrafluoroethylene (PTFE) powder deposited onto a substrate were studied. The PTFE film porosity was controlled within 50–60% and the maximum pore size was 1–3 μm. The breaking stress of the films reached ∼6 MPa at a 100% relative elongation. The inf…
The anomalous temperature behavior of the Raman scattering bands at superionic phase transition of Cu 6 PS 5 Br is revealed. Using density functional perturbation theory within local density approximation, ab initio long-wavelength phonons have been obtained for high-symmetry cubic structure. In the calculated phonon…
Rolls made of high speed steel (HSS) have been prepared by centrifugal casting with electromagnetic stirring. During the centrifugal casting process of HSS rolls, segregation of alloy elements occurs due to the centrifugal force either to the outer or to the inner side of the rolls depending on the relative densities…
At the B3LYP/6-311+G** and the BP86/6-311+G** levels of theory, BNN, H(3)BNN, NNBH(2)-BH(2)NN, (BNN)(2)H(2), NNBBNN, (BNN)(3) (+), (BNN)(4), (BNN)(4) (2+), (BNN)(4) (2-), B(4)(NN)(2), (BNN)(5) (-), (BNN)(6), (BNN)(7) (+), and (BNN)(8) (2+) are investigated. Neutral (BNN)(4) is aromatic with its triplet state but antia…
Ag -doped As 2 Se 3 glasses were prepared by the melt-quenching method and the influence of silver doping on the glass structure and optical properties was studied using Raman and UV-Vis-IR spectroscopy and differential scanning calorimetry. For Ag concentrations less than 15 at%, introduction of Ag into As 2 Se 3 gla…
We have investigated the electrical conductivity change that occurs by oxidation of a homoepitaxially grown diamond (100) surface. For this purpose, atomically flat diamond (100) surfaces homoepitaxially grown by a microwave plasma-assisted chemical vapor deposition (MPCVD) were prepared. It is well-known that a CVD-g…
Foamed polypropylene films that are made by extruding mixtures of polypropylene (PP) and a chemical blowing agent are described in this study. The films are prepared by a cast extrusion process, followed by machine direction orientation. This article describes the structure–property relationships of the resultant foam…
An electrochemical anodization technique associated with wet surface cleansing processes was applied for fabrication of surface nanoscale structures on Al plates. Dynamic force microscopy (DFM) measurements clarifies that different wet cleansing processes create different initial surface structures on Al such as a lin…
In order to elucidate details of relaxations caused by the sodium ion in dehydrated Na-A zeolite, a simplified jump model was constructed for the sodium ion on site 3, Na + /S3. In the model, Na + /S3 was set up to jump around among three adjacent unequivalent sites, that is, S3, a position in (or near) the 8-ring (S2…