T. Chivers、I. Drummond1974-01-01Journal of the Chemical Society Dalton Transactions
I.r. and visible spectra identify the blue species in solutions of alkali polysulphides in dimethylformamide (DMF) as S3–. Elemental sulphur (S8) is reduced to S3– by secondary amines in hexamethylphosphoramide (HMPA). The reaction of piperidyl-lithium with S8 in HMPA has been investigated to determine the stoicheiome…
Thermal and Kinetic Analysis
John H. Fessler1974-01-01Journal of Supramolecular Structure
Abstract The structure and self‐assembly of collagen and procollagen molecules are reviewed. The registration peptides of procollagen have specific recognition properties which assure (1) selection of component polypeptide chains and (2) registration of their N‐termini, facilitating orderly folding into a collagen hel…
Chemical Synthesis and AnalysisProtein Hydrolysis and Bioactive PeptidesCollagen: Extraction and Characterization
Riccardo Ferro、Rinaldo Marazza、G. Rambaldi1974-01-01International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde)
Article Equiatomic Ternary Phases in the Alloys of the Rare Earths with Indium and Nickel or Palladium was published on January 1, 1974 in the journal International Journal of Materials Research (volume 65, issue 1).
Rare-earth and actinide compoundsThermodynamic and Structural Properties of Metals and AlloysMetallurgical and Alloy Processes
S. W. Freiman、George Y. Onoda、A. G. PINCUSI1974-01-01Journal of the American Ceramic Society
Flexural strengths, elastic moduli, and fracture energies of 3BaO·5SiO 2 glass‐ceramics with a variety of microstructures were determined. Flexural strength depends on the size of spherulites in the microstructure and on the amount of glassy phase remaining in the material. Higher strengths were achieved in glass‐cera…
Advanced ceramic materials synthesisGlass properties and applicationsNuclear materials and radiation effects
Jisuke HAYASHI、升田 重嘉、Sadayoshi Watanabe1974-01-01NIPPON KAGAKU KAISHI
セルロース繊維を濃厚AcOK水溶液で処理し,付着AcOKを洗浄除去後80℃で乾燥するとセルロースの(010)に相当する位置に新しい子午線干渉。が出現する。乾燥温度を高くするにしたがいIoは9.5Aの面間隔をもつ一次層線干渉Iiへ次第に変わっていく。これらの干渉は完全なセルロースの干渉のほかに付加的に出現するもので,処理によってセルロースの結晶化度はまったく変わっていない。したがって新干渉は非晶領域に生じたセルロースAcOK付加物によるものと考えられる。カリウムセルPtを酢酸で洗浄することにより,より完全なセルロース-AcOK付加物のX線図を得た。これから付加物の単位胞を求め,11は(110)に指数付けされた。非晶域に生成した付加物…
Advanced Cellulose Research StudiesDyeing and Modifying Textile Fibers
A. R. DuCharme、R. Gerlach1974-01-01Journal of Vacuum Science and Technology
Since Coster-Kronig transitions for isolated atoms are often characterized by higher transition rates than other types of Auger emission, it is important to consider the quantitative effect of these transitions on the Auger electron spectroscopy of solid surfaces. We find that cross sections for the electron impact io…
Advanced Chemical Physics StudiesCatalytic Processes in Materials ScienceElectron and X-Ray Spectroscopy Techniques
Suresh Chandra、H. B. Lal、K. Shahi1974-01-01Journal of Physics D Applied Physics
A solid-state electrochemical cell with pellets of Ag 4 KI 5 as the electrolyte, silver foil as the anode and a mixture of I 2 and graphite as the cathode is described. This cell, Ag|Ag 4 KI 5 | I 2 +C, has an open circuit voltage OCV of 680 mV. Cell characteristics under different load conditions are reported. Polari…
Mesoporous Materials and CatalysisPolyoxometalates: Synthesis and ApplicationsLayered Double Hydroxides Synthesis and Applications
Peter Burroughs、A. Hamnett、Anthony F. Orchard1974-01-01Journal of the Chemical Society Dalton Transactions
It is shown that the presence of distinct SbIII and SbV atoms in the mixed-valency compound Cs2SbCl6 can be directly demonstrated by X-ray photoelectron spectroscopy. The surface purity of the material can be checked by supplementary studies using argon ion bombardment.
Luminescence Properties of Advanced MaterialsGlass properties and applicationsSolid-state spectroscopy and crystallography
Y. G. Nakagawa、G. C. Weatherly、Eric Ho1974-01-01Transactions of the Japan Institute of Metals
The coarsening of lamellar eutectic alloys is controlled by faults in the as-grown structure. A model, based on the use of In cosh cylinder co-ordinates, is proposed to calculate the rate of shrinkage of lamellar terminations. It is found that for high volume fractions and diffusion through the continuous phase around…
Aluminum Alloy Microstructure PropertiesSolidification and crystal growth phenomenaFluid Dynamics and Thin Films
FH Haynie、J B Upham1974-01-01OpenAlex
Specimens of an enameling steel were exposed at 57 sites of the National Air Sampling Network (NASN). Weight losses for one and two years of exposure at each site were determined. Available climatic data were collected and average relative humidities and average temperatures were calculated. Average levels of pollutan…
Corrosion Behavior and Inhibition
R. Driver、R. J. Meakins1974-01-01British Corrosion Journal
Previous work in this Laboratory showed that many inhibitors of the acid corrosion of steel cause large changes in the anodic Tafel slope, ba, particularly in 0·5 M H2SO4. It was found that cationic inhibitors, such as long-chain n-alkylquaternary ammonium compounds, mostly reduced ba whereas non-ionic compounds, such…
Corrosion Behavior and InhibitionHydrogen embrittlement and corrosion behaviors in metalsConcrete Corrosion and Durability
J. Kloubek1974-01-01The Journal of Adhesion
It is shown that the best fit of experimental data to the correlation equation as used by Fowkes1 cannot be considered as a criterion of correctness with which the mathematical formula expresses the way of polar interaction at interfaces. Examples of other evidence are given that the polar part of work of adhesion may…
Surface Modification and SuperhydrophobicityFiber-reinforced polymer compositesAdhesion, Friction, and Surface Interactions
Kalyan Kali Sen Gupta、Jiban K. Chakladar1974-01-01Journal of the Chemical Society Dalton Transactions
The kinetics of oxidation of arsenic(III) by chromium(VI) has been studied in the temperature range 30–45 °C. The energy and entropy of activation, where a high concentration of arsenic(III) reacts with a low concentration of chromium(VI) to give a 1 : 1 complex, have been evaluated to be 9·1 ± 0·6 kcal mol–1 and –43·…
Analytical chemistry methods developmentInorganic and Organometallic ChemistryThermal and Kinetic Analysis
G. J. Sprokel1974-01-01Molecular crystals and liquid crystals
The molar conductivity of doped MBBA is given by Onsager's equation for electrolytic conduction. The anisotropy of the conductivity is determined largely by the anisotropy of the viscosity of the host material. Experimental values for A° and α are presented.
Liquid Crystal Research AdvancementsPhotochemistry and Electron Transfer StudiesNonlinear Dynamics and Pattern Formation
Wataru Eguchi、Motonari Adachi、Minoru Yoneda1974-01-01JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
The overall partition of iodine between air and aqueous solution containing sodium hydroxide is very complicated due to the complex reactions of iodine dissolved in the aqueous phase. The equilibrium constants of the several elementary reactions which influence the overall partition were measured for the range of 10°…
Crystallization and Solubility Studies
Harold E. Sliney1974-01-01A S L E Transactions
Plasma-sprayed composites, which have good oxidation-resistance and self-lubricating characteristics to 900 C, were developed. The composites are a nichrome matrix containing dispersed glass for oxidation protection and calcium fluoride for lubrication; they are applied to bearing surfaces by plasma spraying layers ab…
Metal and Thin Film MechanicsDiamond and Carbon-based Materials ResearchTribology and Wear Analysis
C. N. Younkin1974-01-01Journal of Biomedical Materials Research
Abstract The biomaterials engineer of today has an extremely limited choice of approved metallic implant alloys with which to conduct his studies. There is essentially no incentive for larger companies to initiate basic research in the biomaterials field. New alloys which would have the best chance of developing as bi…
Orthopaedic implants and arthroplastyAdditive Manufacturing Materials and ProcessesTitanium Alloys Microstructure and Properties
Kōji Ishida、Toshio Mitsui1974-01-01Ferroelectrics
The crystal structure of AgNa(NO2)2 has been determined at 50°C in the paraelectric phase (space group Fddd), and work at 20°C on the ferroelectric phase (space group Fd2d) is in progress. The unit cell contains 8 formula units. The paraelectric structure is partially disordered and each NO2 molecule has two stable po…
Liquid Crystal Research AdvancementsAnalytical Chemistry and Chromatography
John J. Maurer1974-01-01Journal of Macromolecular Science Part A - Chemistry
Practical rubber formulations are complex mixtures of polymer (s), fillers, plasticizers, curatives, and processing aids. Classical methods exist for determining many of the components of these systems but are too time consuming for routine use in quality control or problem solving activities. Thus a need has existed…
Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesThermal and Kinetic Analysis
Kouhei SHIRASUKA、Goro Yamaguchi1974-01-01Journal of the Ceramic Association Japan
[in Japanese]
Advanced ceramic materials synthesisX-ray Diffraction in CrystallographyMagnesium Oxide Properties and Applications