Sentence examples for 20th century changes from inspiring English sources

During the 20th century, changes in diatom assemblages from both arctic and alpine lakes have accelerated relative to the previous 350 years.

In the 20th century, changes in the northeastern boundary of Italy resulted in new designations for the historic area of Venetia.

During the last quarter of the 20th century, changes in clinical orthodontics were largely driven by improvements in bracket design, attachment mechanisms, and arch wire materials.

In the early 20th century, changes in the design of the KD were introduced, shifting the so-called "water diet" to a high-fat diet.

Significant 20th century changes in the aquatic ecosystem cannot be explained wholly by changes in the terrestrial ecosystem, suggesting that future changes to the lakes of N. Manitoba will be strongly influenced by direct climatic effects to the lakes.

But it is a fairly recent concept, brought about by a revolution in the advertising and manufacturing industries, which thrived on various 20th century changes, including the mass movement of large populations to cities, the development of mass production, globalisation, improved transport, international trade and public broadcast media.

The proportion of population dying at 70 years or older changed from 25% in the beginning of the 19th century to 74% by the end of the 20th century (114).

In the 20th century this practice changed.

Refractive change has been recognized in DM since the 19th century and was well-described throughout the 20th century [ 6- 10].

We present long-term temperature trends, comparing CRU (TS3.0) data with PRECIS output, including an overlap period between 1951 and 2006, and the projected 21st century changes (defined as differences relative to the control period 1961 1990) of temperature and precipitation for the 30-year intervals 2010 2039 (near-future), 2040 2069 (mid-century) and 2070 2099 (end-of-century).

The most dramatic changes there occurred in the last 30 years of the 20th century.