The isotopic composition of methane in the stratosphere : high-altitude balloon sample measurements [PDF]
, 2011 The isotopic composition of stratospheric methane has been determined on a large suite of air samples from stratospheric balloon flights covering subtropical to polar latitudes and a time period of 16 yr.
Brass, Marc +14 more
core +2 more sources
The influence of the solvent on organic reactivity. Part II. Hydroxylic solvent effects on the reaction rates of diazodiphenylmethane with 2-(2-substituted cyclohex-1-enyl)acetic and 2-(2-substituted phenyl)acetic acids [PDF]
Journal of the Serbian Chemical Society, 2004 The rate constants for the reaction of diazodiphenylmethane with 2-(2-substituted cyclohex-1-enyl)acetic acids and 2-(2-substituted phenyl)acetic acids, previously determined in seven hydroxylic solvents, were correlated using the total solvatochromic ...
VERA V. KRSTIC +2 more
doaj
Kinetic measurements during transient film growth on zinc
Química Nova, 2009 The electrochemical behaviour of zinc has been extensively studied in alkaline and acid media, but only a few studies have been reported in neutral solutions, particularly in deaerated media. Zinc passivation in neutral medium and the effect of the ClO4-
Yun Chen +3 more
doaj +1 more source
Kinetic‐Scale Turbulence in the Venusian Magnetosheath
Geophysical Research Letters, 2021 While not specifically designed as a planetary mission, NASA's Parker Solar Probe (PSP) mission uses a series of Venus gravity assists (VGAs) in order to reduce its perihelion distance.
T. A. Bowen +27 more
doaj +1 more source
Precision Optical Measurements of DNA Structure and Synthesis [PDF]
, 2007 The structure and synthesis of DNA is important. Traditionally,high-resolution structures are solved with X-ray crystallography, and kinetic measurements are taken with consumption of large amount of reagents.
Ziyang Ma, Ma, Ziyang
core +1 more source
The reactivity of a,b-unsaturated carboxylic acids. Part XVI. The kinetics of the reaction of cycloalkenylcarboxylic and cycloalkenylacetic acids with diazodiphenylmethane in various alcohols [PDF]
Journal of the Serbian Chemical Society, 2002 The rate constants for the reaction of diazodiphenylmethane with 1-cyclopentenecarboxylic, 1-cycloheptenecarboxylic, cyclopent-1-enylacetic and cyclohept-1-enylacetic acids were determined in eight alcohols at 30°C using the appropriate UV-spectroscopic ...
VERA V. KRSTIC +2 more
doaj
Kinetic oxygen measurements by CVC96 in L-929 cell cultures
Head & Face Medicine, 2006 Generally animal and human cells use oxygen during their whole life. Consequently the oxygen use is a simple indicator to test the vitality of cells. When the vitality decreases by the delivery of toxic substances the decrease can be observed directly by
Wünnenberg Jörg +4 more
doaj +1 more source
BMC Medical Imaging, 2021 Background Dynamic PET with kinetic modeling was reported to be potentially helpful in the assessment of hepatic malignancy. In this study, a kinetic modeling analysis was performed on hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma ...
Jingnan Wang +11 more
doaj +1 more source
Batteries, 2018 Systematic steady-state measurements were performed in order to investigate the effect of operating temperature on the individual half-cell reactions in all vanadium redox flow cells.
Ruediger Schweiss +2 more
doaj +1 more source
Energies, 2023 Ammonia (NH3) has been receiving the attention of researchers as an alternative promising green fuel to replace fossil sources for energy production. However, the high NOx emissions are one of the drawbacks and restrictions of using NH3 on a broad scale.
Ali Alnasif +6 more
doaj +1 more source