Sentence examples for periods were studied from inspiring English sources

The buried soils of the Atlantic and Subboreal periods were studied by palaeopedological and palynological methods.

In order to evaluate optimum conditions for storing the pesticides in matrix water before analysis, different storage periods were studied.

In this paper, the effects of seabuckthorn plantation on soil environment after different periods were studied in attempt to provide new insights on land reclamation and ecological restoration on coal mining subsidence land.

In the present work the kinetics of austenite formation in Fe C alloys during rapid, non-isothermal heating conditions, characterized by high heating rates and short austenitization periods, were studied by means of computational simulation.

Depending on the specific analysis, different time periods were studied.

Different birth cohorts and survey periods were studied across the countries and different questions were used to assess regular exercise in each of the countries.

The duration of the active and inactive periods was studied in [49], revealing a negative exponential distribution for the duration of both active and inactive periods.

The influence of temperature of two periods was studied: the temperature in the conditioning period and temperature when the fuel cell was operating.

Structural changes in land use, building and field patterns between two time periods are studied using aerial photographs covering a period from 1960 to 1999.

The microstructure, surface morphology and hydration products of specimens cured for different periods are studied using SEM and EDX analyzer respectively.

The relationship between the leaf NH3 fluxes and the leaf apoplast ammonium and nitrate concentrations, N nutrition and the light and dark periods was studied here.