Chaloner was able to document differences in stomatal number and density in fossil leaves at different times in the past, creating a record of changing concentrations of carbon dioxide in the atmosphere that related to warming and cooling of the climate.
For MH3 (patients on lithium treatment with a record of lithium concentrations), mean performance improved from 91.1% in 2005/06 (the last year the indicator was included in the scheme) to 92.5% in 2011/12.
The model is tested by determining the hold-up of NaCl and NaOH in a small horizontal once-through tube from a record of the Na concentration in the effluent steam.
The laboratory, which sits on the Mauna Loa volcano, feeds its numbers into a continuous record of the concentration of the gas stretching back to 1958.
The station, which sits on the Mauna Loa volcano, feeds its numbers into a continuous record of the concentration of the gas stretching back to 1958.
Al and C transport was studied through recording of concentration profiles, using energy dispersive X-ray analysis with both scanning and transmission electron microscopy, together with microstructural developments and an associated model analysis.
Donors were selected based on a recorded haemoglobin concentration of <120 g/L for women, and <130 g/L for men (the acceptance thresholds at the time of the study).
He describes how individual scientific obsessions, like Charles David Keeling's preoccupation with creating a precise record of carbon dioxide concentrations, produced vital puzzle pieces.
It was therefore possible to compare the two types of organs to determine if sheaths conserve a precise record of the metal concentrations in the leaves.
The conference is seeking ways to curb ever-rising emissions of climate-changing pollution, which scientists said last week have reached record levels of concentration in the atmosphere.
With each test series a standard curve is recorded (plot of concentration on x-axis and A/sec on y-axis) using SAK STAR 94/718.
