Sentence examples for samples of iron from inspiring English sources
Experiments on samples of iron and rock held at immense pressures have led to new ideas of how Earth's core formed.
The samples of iron ore were crushed and dried in the laboratory at room temperature (22 ± 2 °C) for 7 days.
Some researchers seek to simulate core conditions on a small, fleeting scale: balancing a sample of iron alloy on a diamond tip, for example, and then subjecting it to intense pressure by shooting it with a bullet.
R1obs is the relaxation rate which is measured on the solution containing the sample; R1dia and r1 were obtained from a standard curve built by measuring the R1 of various dilutions of mineralized standard sample of iron (ICP standard, Sigma Aldrich).
A 523-bp mitochondrial DNA sequence was successfully amplified for 26 of 36 sheep ancient samples i.e. five, seven and 14 samples representative of Iron Age, Medieval and Post-Medieval sheep, respectively.
After five days of co-culture, 88.4±11.4% of the SPIO+ cells were GFP̂ in these samples, indicative of iron re-uptake by synovial cells (Figure 4C E).
More than 60 radiocarbon dating tests were undertaken on Iron Age settlements between 2002 and 2008 around the Newcastle area, giving the most complete sample ever of Iron Age settlements north of the wall.
The researchers placed samples of an iron-nickel alloy that contained 10% nickel in heated diamond-anvil cells and used X-ray diffraction to image the internal structure of the samples as pressure was increased to more than 225 gigapascals (4.7 billion lb per sq ft) and as temperature was raised to more than 3,100 °C (5,600 °F).
The experiment was carried out using samples of armco-iron.
Arsenic K-edge XANES analysis confirmed that most (86 wt%) of the arsenic content in the tailings samples consisted of iron-containing arsenates.
Samples of grey cast iron, compacted graphite cast iron and nodular cast iron were extensively studied, and the microstructure, microtexture and grain boundary misorientation evaluated.
