Sentence examples for been observed in certain from inspiring English sources

Although high concentrations of carboxylate anions have been observed in certain high ∑H2S petroleum-field brines, these high concentrations are always from brines with salinities much lower than 170 000 mg L-1 TDS.

Admittedly, one could speculate that an alternative explanation may be that the sympathetic overactivity was the consequence rather than the cause of severe headaches since similar trends have been observed in certain painful conditions [31 35].

The exogenous DNA usually persists extrachromosomally for some time, but chromosomal integration has been observed in certain cases, such as with the fish, Labeo rohita [58].

δ-catenin is typically expressed in neurons [26] [28], but also has been observed in certain cancer cells [29] [32] as well as in vascular endothelial cells during angiogenesis [33].

While the presence of amyloid in ALS neurons has not been directly demonstrated, fibrillar inclusions containing SOD1 occur in neurons of FALS patients, and fibrillar inclusions containing SOD1 that bind amyloid-specific dyes have been observed in certain transgenic mouse models of FALS.

Despite the demonstration of CMA blockade by mutant ASYNs in the in vitro assay with purified proteins and isolated liver lysosomes, it remains unclear whether such blockade can be conferred in a cellular context, and whether it could be responsible for the lysosomal dysfunction that has been observed in certain instances when ASYN is overexpressed.

This year's physics laureates are theorists, starting in the 1970s, laid the foundations of the mathematical framework that scientists now rely on to explain weird electrical properties that are being observed in certain materials.

Before that time, the control of marionettes seems to have been by a stout wire to the crown of the head, with subsidiary strings to the hands and feet; even more primitive methods of control may still be observed in certain traditional folk theatres.

At lower bed temperatures, two-stage ignition processes were observed in certain ranges of initial bed temperature and oxygen concentration.

Retardations in the local crack growth rate were observed in certain grains and at certain grain boundaries.

A period doubling route to chaos is observed in certain frequency ranges, which is explained by a harmonic balance analysis.