Sentences with phrase «particular chemical composition»
The radio telescopes operated continuously at a wavelength of 10.7 centimetres, which is an ideal wavelength for monitoring solar activity due to the Sun's particular chemical composition.
http://astro-canada.ca/ Not exact matches
Stellar dating involves measuring properties such as mass, chemical composition and temperature, and comparing them with models of how those properties should change over time for a particular type of star.
The basic concept should work with many different chemical compositions for the different parts of the battery, he says, but «we chose to demonstrate it with one particular chemistry, one that we understood from previous work.
In particular, sensors that could analyze the chemical composition of the plumes, either remotely or by sampling the material as it whizzed through the vapor, could provide keen insights into the chemical processes taking place on or deep beneath Europa's icy surface.
The new study, led by the expert Andrea Hevia, researcher at CETEMAS - Asturias, analysed temporary changes in the chemical composition of annual growth tree rings in the Pyrenees, in particular those in subalpine black pine (Pinus uncinata) forests in the national parks in Ordesa and Monte Perdido, and Aigüestortes and Estany de Sant Maurici.
In particular, eruptions such the Timanfaya's in Lanzarote ─ one of the strongest in the country due its duration until 1736 and the amount of thrown material ─ and Tambora's ─ one of the biggest volcanic episodes, which led to a «year without summer» in 1816 ─ released big amounts of iron that altered the chemical composition of the annual Pyrenean tree rings.
Stable isotopic compositions — variants of particular chemical elements — of such remains, recovered from soil and lake sediment, may help us better understand climate change over a long span of time.
These observations were of particular interest because they could provide information about the chemical composition of the matter emerging from the merger and, astronomers hoped, might help solve a long - standing celestial mystery: the origin of the universe's heavy elements.
While you are at the site, note that many spring locations have the «comments» sections enabled where you can read the experience of others (anywhere from helpful hints to actual lab samples of chemical composition analysis) of a particular spring you may be interested in.
In the same exhibition, she also showed a number of floor sculptures made from alum which appeared quite formal and solid, several of them for example mimicking the steel columns of the gallery, but which will slowly change in chemical composition and break down if submitted to particular external conditions.