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Chemical Vapor Deposition of Si and SiGe Films for High
Chemical Vapor Deposition of Si and SiGe Films for High

The Reaction Rates of O2 with Closed-Shell and Open
The Reaction Rates of O2 with Closed-Shell and Open

... coefficients of O2 reactions with a number of Alx− clusters near the Al13− species with closed- and open-shell structure. We found slow reactions for Al9−, Al11−, and Al13− and comparatively fast reactions for Al8−, Al10−, Al12−, and Al14−. The doublet character of the last four species eliminates hin ...
Reaction Dynamics of Zr and Nb with Ethylene
Reaction Dynamics of Zr and Nb with Ethylene

... interaction is optimized for doubly occupied d orbitals. Ab initio calculations indicate that sd hybridization of the transition metal center promotes bond formation in the DCD mechanism.21 However, only certain electron configurations on the metal allow for sd hybridization, namely, s1dn-1 configur ...
Interaction of Hydrogen Chloride with Ice Surfaces: The Effects of
Interaction of Hydrogen Chloride with Ice Surfaces: The Effects of

... HCl with a variety of ice surfaces using a flow tube with icecoated walls coupled with chemical ionization mass spectrometry (CIMS) detection of the gas phase. Equipped with information from our recent study on the potential complexity of the HCl-ice surface system,107 we have paid particular attent ...
Glossary of terms used in photocatalysis and radiation catalysis
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interactions of mucins with biopolymers and drug delivery
interactions of mucins with biopolymers and drug delivery

... are proteins with high molecular weights and an abundance of negatively charged oligosaccharide side chains. The aim of the investigations was to characterize interactions between mucins and other proteins that are present in the mucous gel, and also between mucins and components used in pharmaceuti ...
technical report 91 -32
technical report 91 -32

... radioactive elements to the biosphere. Intrusion of water into the repository could lead to leaching of the radioactive elements and migration through the barriers into surface waters from where they could enter the food chain. Government regulations set a limit for radiation doses resulting from su ...
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... of the saturated solution. In the case of levoglucosan, for which no solubility data are available, a maximum concentration of 28% w/w was studied. Diluted solutions were prepared for each standard in order to measure the surface tension over four orders of magnitude of bulk concentration. The organ ...
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Hydrated metal ions in aqueous solution: How regular are their

... Abstract: The hydration reaction is defined as the transfer of an ion or neutral chemical species from the gaseous phase into water, Mn+(g) → Mn+(aq). In this process, water molecules bind to metal ions through ion-dipole bonds of mainly electrostatic character. The hydration reaction is always stro ...
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Chemical fractionation at environmental interfaces

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Catalytic conversion of C(2)-C(3) alcohols on detonation nanodiamond and its modifications

... carriers of an active phase - metals and oxides. The authors of many works consider that the feature of the structures formed by carbon atoms in the state of sp2 hybridization favors the manifestation of specific catalytic activity. In fact, in connection with obtaining various forms of nanocarbon ( ...
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Fatimah Final Thesis
Fatimah Final Thesis

... such as MoS2, FeS, TiS3 and TaS3.1 Examples of more complicated metal chalcogenide structures are quaternary main group compounds such as ABiP2S7 (A = K, Rb),2 KMP2Se6 (M = Sb, Bi)3 and Cs2MnP2Se6.3 Chemistry of metal chalcogenide complexes which have chalcogen–metal or chalcogen–chalcogen bonds, ha ...
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Surface properties of transition metal oxides

Transition metal oxides are compounds composed of oxygen atoms bound to transition metals. They are commonly utilized for their catalytic activity and semiconductive properties. Transition metal oxides are also frequently used as pigments in paints and plastics, most notably titanium dioxide. Transition metal oxides have a wide variety of surface structures which affect the surface energy of these compounds and influence their chemical properties. The relative acidity and basicity of the atoms present on the surface of metal oxides are also affected by the coordination of the metal cation and oxygen anion, which alter the catalytic properties of these compounds. For this reason, structural defects in transition metal oxides greatly influence their catalytic properties. The acidic and basic sites on the surface of metal oxides are commonly characterized via infrared spectroscopy, calorimetry among other techniques. Transition metal oxides are also able to undergo photo-assisted adsorption and desorption to control their semiconductivity. One of the more researched properties of these compounds is their response to electromagnetic radiation, which makes them useful catalysts for redox reactions, isotope exchange, specialized surfaces, and a variety of other uses currently being studied.
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