Of course, those regions have all been, historically, sources of great riesling.
The lead isotopic ratios of the soil profiles, listed in Table 6 and displayed in Figure 3, are variable, indicating that multiple sources (e.g., historically different sources of TEL, pesticides, fertilizers, machinery) are responsible for the contamination observed.
When compared to the discrete mitochondrial haplotype distribution of historically appropriate source populations, the unique distribution within a specific source population can prove insightful in estimating the contribution of each population.
Historically, iron ions were often sourced from iron-rich mud or iron II) sulphate (vitriol) while tannic acid (condensed, hydrolysable, or a mixture) was sourced from plant material such as bark, leaves, and galls.
One of the most historically recognized sources of MSC has been the bone marrow, while other sources recently include adipose tissue, teeth, bone, muscle, placenta, liver, pancreas, umbilical cord, and cord blood.
A historically important source of revenue, tourism was negatively affected by the war in the 1990s.
Then there are all those foundations, whose money may be inherited from historically dubious sources – are they off limits?
The vice president and cabinet officials, as well as governors and senators elected over the course of the administration, are historically major sources for a party's next round of candidates.
Although agriculture has been the most widespread economic activity, remittances from migrant labourers in South Africa and revenues from tourism and the country's port and railway sector have been equally important historically as sources of foreign exchange.
A wide range of offerings was historically a source of strength for the American companies when they dominated the vehicle market — a strategy of providing a car for "every purse and purpose" as Alfred P. Sloan, G.M.'s leader in the 1920s and 1930s, once said.
