activity sampling
51Microdialysis — Contents 1 The microdialysis technique 1.1 Advantages 1.2 Limitations 1.3 Microdialysis probes 1.4 …
52folk literature — Introduction also called folklore or oral tradition the lore (traditional knowledge and beliefs) of cultures having no written language. It is transmitted by word of mouth and consists, as does written literature, of both prose and… …
53Depleted uranium — The DU penetrator of a 30 mm round[1] Depleted uranium (DU; also referred to in the past as Q metal, depletalloy, or D 38) is uranium with a lower content of the fissile isotope U 235 than natural uranium (natural uranium is about 99.27% uranium… …
54Time series — Time series: random data plus trend, with best fit line and different smoothings In statistics, signal processing, econometrics and mathematical finance, a time series is a sequence of data points, measured typically at successive times spaced at …
55Freshwater environmental quality parameters — are the natural and man made chemical, biological and microbiological characteristics of rivers, lakes and ground waters, the ways they are measured and the ways that they change. The values or concentrations attributed to such parameters can be… …
56Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
57Lung cancer staging with EUS — This article is about lung cancer staging methods emphasizing the use of EUS (endoscopic ultrasound) whereas the companion article Non small cell lung carcinoma staging is about the staging system (TNM).Endoscopic ultrasound (EUS) is an… …
58Odor — Aroma redirects here. For other uses, see Aroma (disambiguation). Allegory of the senses by Jan Brueghel the Elder, Museo del Prado An odor or odour is caused by one or more volatilized chemical compounds, generally at a very low concentration,… …
59Ice core — An ice core is a core sample from the accumulation of snow and ice over many years that have re crystallized and have trapped air bubbles from previous time periods. The composition of these ice cores, especially the presence of hydrogen and… …
60Fourpeaked Mountain — Infobox Mountain Name = Fourpeaked Mountain Photo =fourpeaked fumaroles cyrus read1.jpg Caption=Fumaroles escape from Fourpeaked volcano through a fissure in Fourpeaked Glacier on 24 September 2006 Elevation = 6,903 feet (2,104 m) Location =… …
