Sentence examples for have been constantly improving from inspiring English sources
To counter the numerous developments in diaphragm cells, chlorine producers who use mercury cells have been constantly improving their techniques towards environmental protection.
Some development indicators have been constantly improving especially in terms of infant mortality rate and life expectancy.
Both approaches use metal cations to bind the negatively charged phosphopeptides, and protocols designed to achieve higher enrichment efficiencies have been constantly improved over the past decade.
Similarly, alignment software suites have been constantly improved over the past few years and several tools are widely used and supported by a large user community.
Moreover, the accuracy of geodetic measurements has been constantly improving so that in the not too distant future, these "small" GIA contributions may become detectable a clear knowledge of the GIA signal level in these places will help instrument designers target the signal level and accuracies required.
This level of quality has been constantly improving in many Länder over the last few years, with the result that the International Agency for Research on Cancer (IARC) recently integrated seven German cancer registries and their data into the current edition of "Cancer in Five Continents" (Volume IX).
The permanent tracking network has been constantly improved and specific campaigns of observations have been conducted in Wettzell, Gads and in Antarctica.
Since its construction, the canal has been constantly improved; originally 200 feet wide with a maximum depth of 24 feet, it was widened in 1954 to 500 feet at water level and 196 feet at a depth of 33 feet, with the main channel 45 feet deep, enabling ships of a maximum draft of 37 feet to navigate the canal.
