11 New Zealand’s largest industrial sector is pastoral agriculture, giving rise to a large fraction of 12 the country’s emissions of methane (CH4) and nitrous oxide (N2O). We designed a system to 13 continuously measure CH4 and N2O fluxes at the field scale on two adjacent pastures that 14 differed with respect to management. At the core of this system was a closed-cell Fourier15 transform infr...

The chemical composition of 20 nm diameter particles was measured with the Nano Aerosol Mass Spectrometer (NAMS) in a rural/coastal environment during days when new particle formation (NPF) occurred and days when NPF did not occur. NAMS provides a quantitative measure of nanoparticle elemental composition with high time resolution. These measurements show that nanoparticle chemical composition ...

We recently reported the equilibrium maximum solubility of cholesterol in a lipid bilayer, chi*chol, to be 0.66 in four different phosphatidylcholines, and 0.51 in a phosphatidylethanolamine (Huang, J.,J.T. Buboltz, and G. W. Feigenson. 1999. Biochim. Biophys. Acta. in press). Here we present a model of cholesterol-phospholipid mixing that explains these observed values of chi*chol. Monte Carlo...

The theory of phase separation m a liquid crystal by spinodal decompoSit1on is developed The time evolution of two coupled parameters, the volume concentration (or mole fraction), and the orientational order parameter is calculated The conditions for penodic fluctuations are gJven and the structure factor for spinodal decomposition is studied

In this work we investigate the critical line of binary azeotropic mixtures of acetone-n-pentane. We pinpoint the abnormal behavior of the critical density line as a function of the mole fraction of one of the component and show its influence on other thermodynamic properties such as the volume, the enthalpy and the entropy.

Interaction chromatography has been employed to validate that adsorption of poly[styrene-co-(4-bromostyrene)] (PBr(x) S) random copolymers, where x denotes the mole fraction of 4-bromostyrene (4-BrS) in PBr(x) S in solution depends on the average number of adsorptive segments, the type of adsorbing substrate, and on the co-monomer sequence distribution in PBr(x) S.

iii Symbols A constant I i intensity of ith component Mg.OEP magnesium octaethyl porphyrin Pt.OEP platinum octaethyl porphyrin P(S i), P(T i) singlet and triplet states of metalloporphyrin molecules R = S Doppler parameter, T i ith triplet state X(O 2) mole fraction of oxygen in surrounding medium τ i lifetime of ith component Superscript: * excited state of complex S with light

A method for the simultaneous determination of major and minor volatiles composition in different types (dry, medium dry, sweet and medium sweet) of a young Tinta Negra Mole (TNM) monovarietal red wine from 2003 harvest has been validated. Wine samples preparation includes a dichloromethane liquid–liquid extraction followed by concentration under a nitrogen atmosphere. The extracted fraction wa...