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...87.</ref> [[Pb]],<ref name="Pb diffusion">Cherniak, D. J., & E. B. Watson, Pb diffusion in zircon: Chemical Geology 172 (1-2): 5–24. doi:10.1016/S0009- ...er. This machine is commonly used to radiometrically date minerals using U/Pb, but can be used to measure Ti content of zircons. Bottom: Shows a Scanning

...ervoir pressure bigger than bubble point (limit phase changes) pressure (P>Pb), Bo equation is : ..., the viscosity decreases as a result of a pressure drop. If otherwise (P <Pb), viscosity enlarged in line with declining reservoir pressure as a result

* Pb is the buoyancy pressure;

;PB:plug back

...ave different Sr, Nd, Pb, and O isotopic signature. The use of Sr, Nd, and Pb data for interpreting young continental crust may trigger misleading result

...and non-essential trace elements such as: As, F-, I- , Se, Rn, Mn, Cd and Pb. For instance, excessiveness of arsenic in [[coal]] in China has lead to a | Pb || 0.1 || 15 || 20 || 20 || 8