The Adhesive Agent in Cataphoretically Coated Phosphor Screens
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Spray deposition method and its application to the production of mill rolls.
Rapid solidification processing generally results in fine grained and macrosegregation free microstructures and improves hot-workability of highly-alloyed metals (e.g., superalloys and high alloy steels).The Osprey Process is a technology capable of producing rapidly solidified materials in thick sections. The Process…
Isotropic-Liquid Crystal Phase Equilibrium in Semiflexible Polymer Solutions: Application of Scaled Particle Theory
The scaled particle theory of Cotter for straight spherocylinders was extended to semiflexible polymer solutions following Khokhlov and Semenov's procedure to calculate the isotropic-liquid crystal phase boundary concentrations and osmotic pressure of the solution, with the diameter d and persistence length q of the p…
The Effect of Different Methods of Cationisation on the Starch Granule and Its Gelatinisation Product
Abstract The effect on the form and structure of starch granules caused by cationisation using a solvent, by dry cationisation and by cationisation in a water slurry has been studied by means of scanning electron microscopy (SEM). By means of energy‐dispersive X‐ray analysis (EDXA) and electron spectroscopy (ESCA) ana…
Kinetic and thermodynamic acidity of hydrido transition-metal complexes. 6. Interstitial hydrides
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetic and thermodynamic acidity of hydrido transition-metal complexes. 6. Interstitial hydridesRolf T. Weberg and Jack R. NortonCite this: J. Am. Chem. Soc. 1990, 112, 3, 1105–1108Publication Date (Print):January 1, 1990Publication History Published online1 May 2002Publish…
Soft magnetic properties of Co-Fe-P and Co-Fe-Sn-P amorphous films formed by electroplating
Co-Fe-P and Co-Fe-Sn-P amorphous soft magnetic alloys have been developed by electroplating. These alloys have zero magnetorestrictive compositions and show a high saturation magnetic induction B/sub s/ of 10-13.5 kG and high permeability of 3000-5000 at 5 MHz with 2- mu m thickness. It was found that the addition of…
Mechanical properties of miscible phenolphthalein poly(ether ether ketone)/polysulfone blends
Abstract The properties of miscible phenolphthalein poly(ether ether ketone) (PEK‐C)/polysulfone blends have been measured by dynamic mechanical analysis and tensile testing. The blends are found to have single glass transitions that vary continuously with the composition. The tensile moduli exhibit positive deviation…
Surface density of states of TiO2(110) single crystal and adsorbed molecular observation by scanning tunneling microscopy and tunneling spectroscopy
We present the evidence for the surface density of states (SDOS) of the hydroxylated and reduced rutile TiO2 (110) single crystal different from the bulk electronic property by tunneling spectroscopy using scanning tunneling microscopy technique (STM/TS). The surface band gap energy (SEg) was 1.6 eV as the tunneling-a…
Structural Variation of Electrodeposited Copper Film with the Addition of an Excess Amount of H 2 SO 4
In order to further examine the effect of the addition of an excess amount of H 2 SO 4 to CuSO 4 solution on the morphological variation of copper film during electrodeposition carried out at relatively higher cathodic overpotentials, x‐ray diffraction patterns of the copper film were analyzed. The ratio of the relati…
Evidence for an Ag4O3 phase of silver oxide
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEvidence for an Ag4O3 phase of silver oxideA. N. MansourCite this: J. Phys. Chem. 1990, 94, 2, 1006–1010Publication Date (Print):January 1, 1990Publication History Published online1 May 2002Published inissue 1 January 1990https://pubs.acs.org/doi/10.1021/j100365a093https://d…
DSC studies of tactic polypropylenes: The correlation of polymer stereochemistry with thermal properties
Abstract A large number of polypropylene samples, of isotacticities spanning the range 0.35 to 1.00 mm, have been examined by differential scanning calorimetry (DSC) in order to establish a calorimetric index for determining stereostructure. Crystallization studies show that the crystallization onset temperature decre…
Self-Accommodation Structure in the Ti-Ni-Cu Orthorhombic Martensite
Self-accommodation process and the resulting structure of the orthorhombic martensite in a Ti-Ni-Cu shape memory alloy were investigated.Observations of the self-accommodation process of habit plane variants of the orthorhombic Ti-Ni-Cu martensite were made by transmission electron microscopy, and the three-dimensiona…
Effects of machining on magnetic properties of Nd-Fe-B system sintered magnets
Various Nd-Fe-B sintered magnets of different sizes were prepared by mechanical cutting and by the Bond method. Magnetic properties were measured as a function of the S/V value, which is the ratio of surface area to volume of the sample. For samples with S/V>
Measurement of dynamic magnetostriction under rotating magnetic field
Rotational dynamic magnetostriction was measured as a function of rotating magnetic flux density on nonoriented and grain-oriented silicon steel sheets under various magnetization conditions. Rotational dynamic magnetostriction was measured by using a special strain gage which provides x- and y-direction output. Rotat…
Measurement of the Surface Prickle of Fabrics Part I: The Evaluation of Potential Objective Methods
Surface prickle of fabrics can be a factor limiting the use of the coarser types of wool in apparel or upholstery products. An investigation is reported in which, in order to find a method of measuring prickle, a selection of fabrics with a widely differing number and stiffness of protruding fibres was assessed for pr…
Synthesis, characterization, and oxygenation of bis-fenced porphyrinato iron(II) and cobalt(II) complexes
The both-faces-hindered and highly symmetric complexes 5,10,15,20-tetra(2′,6′-dipivaloyl-oxyphenyl)porphyrinato-iron(II) and -cobalt(II), which have no amide residues but ester ones in the fence groups, have been synthesized. The iron(II) complex formed stable and reversible dioxygen adducts in toluene at 25 °C. The h…
Tension annealing cold-drawn amorphous CoFeSiB wires
Amorphous magnetostrictive Co-Fe-Si-B wires exhibiting square and bistable hysteresis loops have been obtained by tension annealing treatments of the wires cold-drawn to lower than 0.05 mm in diameter from the as-quenched state (0.125 mm in diameter). Bistable switching characteristics were observed even in a 1-cm len…
Occurrence of Marine <i>Saprospira</i> sp. <i>Possessing</i> Algicidal Activity for Diatoms
Unicellular algae are autotrophic eukaryotes which contribute to overall primary production in any aquatic ecosystems.Furthermore, some of them are very usefull in the aquaculture of fish, shrimp and shellfish as primary live food.However, the pathogens for the unicellular algae are not well known.Although various alg…
Group 11 metal(I) complexes with low co-ordination numbers: the crystal structures of [PPh3Me]2[CuBr3], [PPh3Me]2[CuBr2]Br, and [PPh3Me]2[AgI3]
The crystal structures of [PPh3Me]2[CuBr3], [PPh3Me]2[CuBr2]Br, and [PPh3Me]2[AgI3] have been determined by single-crystal X-ray diffraction methods at 295 K. The salt [PPh3Me]2[CuBr3] contains a planar, almost perfectly trigonal tribromocuprate (I) ion [CuBr3]2–. The exact symmetry of the ion in the crystal is C2v, w…
Wetting phenomena and colloidal aggregation in binary mixtures
Recent experiments on colloidal suspensions of silica spheres in a water-lutidine mixture close to the consolute point have revealed interesting sphere-aggregation behavior that has been linked to wetting phenomena. We carry out a theoretical analysis of the phase behavior in such mixtures and suggest that the observe…