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Showing 1 to 19 of 19 for “"Methyl chloride"”.

  1. Methyl Chloride Transferase: Isolation, characterization,cDNA Cloning, and Expression

    The genomic DNA of methyl chloride transferase of Batis maritima was also characterized and is composed of 8 exons and 7 introns.

    uiuc Repository record for Methyl Chloride Transferase: Isolation, characterization,cDNA Cloning, and Expression (opens in a new tab)

  2. Purification and characterization of methyl chloride transferase: A novel halogenating enzyme

    Methyl Chloride is biologically produced at an annual global emission rate of $5\times10\sp6$ tons. Production of this molecule is thought to be mostly biological in nature. The established route for production of halometabolites is the hydrogen peroxide-dependent halogenation mechanism common to …

    uiuc Repository record for Purification and characterization of methyl chloride transferase: A novel halogenating enzyme (opens in a new tab)

  3. The impact and fate of aqueous sodium nitrate on hydrocarbon flames

    … solution) in fuel-rich methane/air and methane/methyl chloride/air flames as a function of equivalence ratios that experienced diffusion of air from the surroundings. The flames were stabilized on a slotted, uncooled burner. The data set was divided into profiles of relative sodium atom …

    njit Repository record for The impact and fate of aqueous sodium nitrate on hydrocarbon flames (opens in a new tab)

  4. The adsorption of sulfur and halogen containing materials on nickel studied by X-ray photoelectron spectroscopy and thermal desorption spectroscopy

    The chemical adsorption and reaction of methyl fluoride, methyl chloride, methyl bromide, methyl iodide, methyl sulfide, dimethyl sulfide, dimethyl disulfide, and bis(trifluoromethyl) disulfide on clean, polycrystalline nickel surface (at 25°C) were investigated using an X-ray photoelectron …

    vt Repository record for The adsorption of sulfur and halogen containing materials on nickel studied by X-ray photoelectron spectroscopy and thermal desorption spectroscopy (opens in a new tab)

  5. A preliminary study of the characteristic physical properties of chlorinated asphalt

    … Methane, a gas at ordinary conditions, becomes methyl chloride, still a gas but having a higher condensation point than methane, upon the substitution of one chlorine atom in place of a hydrogen atom per molecule of methane. Upon the introduction of three atoms of chlorine per molecule of …

    u-pacific Repository record for A preliminary study of the characteristic physical properties of chlorinated asphalt (opens in a new tab)

  6. The determination of the viscosity of liquid carrene-7, an azeotropic mixture of dichlorodifluoromethane and asymmetrical difluoroethane

    … refrigerants, such as ammonia, sulfur dioxide, methyl chloride, freon-12 (dichlorodifluoromethane), and propane are used. These refrigerants must have properties that render them suitable for use in refrigeration cycles. During the refrigeration cycle, the refrigerant is constantly changing …

    vt Repository record for The determination of the viscosity of liquid carrene-7, an azeotropic mixture of dichlorodifluoromethane and asymmetrical difluoroethane (opens in a new tab)

  7. Tropospheric composition of organohalogens and alkyl nitrates: tropical and temperate case studies

    … were also conducted to assess the emission of methyl halides from crop plants. Methyl halide results from OP3 contradict current assumptions of a strong source from tropical vegetation. High mixing ratios of methyl chloride and chloroform were observed in the boundary layer over oil palm …

    lancaster

  8. Tropospheric composition of organohalogens and alkyl nitrates: tropical and temperate case studies

    … were also conducted to assess the emission of methyl halides from crop plants. Methyl halide results from OP3 contradict current assumptions of a strong source from tropical vegetation. High mixing ratios of methyl chloride and chloroform were observed in the boundary layer over oil palm …

    east-anglia Repository record for Tropospheric composition of organohalogens and alkyl nitrates: tropical and temperate case studies (opens in a new tab)

  9. Experimental and modeling studies of formation of products of incomplete combustion and chlorocarbon incineration

    … of incomplete combustion. For this purpose methylene chloride was used as a chlorine-containing compound. The propose of this research was to obtain a better understanding of the incineration process of chlorocarbons, such as methylene chloride, especially regarding its destruction …

    njit Repository record for Experimental and modeling studies of formation of products of incomplete combustion and chlorocarbon incineration (opens in a new tab)

  10. Chlorine in ground water : stable isotope distribution

    … examined chlorine isotope composition of chloride from sea water halite, hydrothermal water samples and ground-water samples where chloride was likely moving by diffusion. The measurement method was mass spectrometry of methyl chloride gas prepared by quantitative precipitation of AgC1 …

    arizona-thes Repository record for Chlorine in ground water : stable isotope distribution (opens in a new tab)

  11. Optimal estimation of the surface fluxes of chloromethanes using a 3-D global atmospheric chemical transport

    The four chloromethanes - methyl chloride (CH3Cl), dichloromethane (CH2Cl2), chloroform (CHCl3), and carbon tetrachloride (CCl4), are chlorine-containing gases contributing significantly to stratospheric ozone depletion and having adverse health effects. Large uncertainties in estimates of their …

    mit Repository record for Optimal estimation of the surface fluxes of chloromethanes using a 3-D global atmospheric chemical transport (opens in a new tab)

  12. Early transition metal complexes of carbene donors linked to cyclopentadienyl ring analogues or amidine/amidinate moieties

    … NHC potassium salt, 1-[3-(4, 7-dimethylindenylpropyl]-3-<br/>(2,6-diisopropylphenyl)imidazol-2-ylidenepotassium, has been synthesised. Complexes of<br/>titanium, zirconium and chromium containing this ligand and the two carbon bridge …

    soton Repository record for Early transition metal complexes of carbene donors linked to cyclopentadienyl ring analogues or amidine/amidinate moieties (opens in a new tab)

  13. Iminophosphine complexes of palladium and platinum: catalysis and metallacycloalkanes synthesis

    … found to enhance catalytic activity. Palladium methyl chloride complexes were found to show slightly more activity than their palladium dichloride counterparts. Reaction of [Pt(P^N)Cl2] complexes with BrMg(CH2)4MgBr in an attempt to synthesize platinacycloalkane complexes resulted in the …

    cape-town Repository record for Iminophosphine complexes of palladium and platinum: catalysis and metallacycloalkanes synthesis (opens in a new tab)

  14. The chemistry of chlorine in combustion systems and the gas-phase formation of chlorinated and oxygenated pollutants

    … (T> 1100°C), oxygen-rich products of methyl chloride combustion, OH and 0 radicals, generated in the oxidation of the injected fuel, transform significant amounts of HCl to Cl radicals. If the chlorine-containing combustion gas is first cooled to an intermediate temperature (T<800° C), …

    mit Repository record for The chemistry of chlorine in combustion systems and the gas-phase formation of chlorinated and oxygenated pollutants (opens in a new tab)

  15. Detectability of biosignature gases in the atmospheres of terrestrial exoplanets

    … database: oxygen, ozone, methane, nitrous oxide, methyl bromide, methyl chloride, hydrogen sulfide, carbonyl sulfide, phosphine, and sulfur dioxide. The deep investigation of the HITRAN biosignature gases in this study is possible due to the ability to properly map their absorption cross sections …

    mit Repository record for Detectability of biosignature gases in the atmospheres of terrestrial exoplanets (opens in a new tab)

  16. Catalytic Reforming of Biogas for Syngas Production

    … into the reforming reaction deposits chloride on the alumina catalyst support, which increases the surface acidity, poisons the water-gas shift reactions by replacing basic hydroxyl groups, and poisons the dry reforming reaction by reducing hydrogen mobility and the affinity of CO₂ for …

    columbia-diss Repository record for Catalytic Reforming of Biogas for Syngas Production (opens in a new tab)