Soviet public-health statistics show a clear decline from 1965 to the early 1980s, with rising deaths from circulatory diseases (because of poor diet, smoking and, especially, drinking).
All samples show a clear shift from ~1,180 to ~1,100 cm−1, most likely due to the reformation of sulfates (Vazquez-Moreno and Blanco-Varela 1981).
This cooler period is generally called the Little Ice Age (LIA) but there is some vagueness in its extent (for example [4] show a clear cooling after A.D 1400 and Esper et al (2002) at about 1550).
The time series of daily death counts from 1992 through 2007 show a clear annual pattern in daily death counts, with peaks in winter and dips in summer, and an increasing trend in numbers of deaths during the study period.
Although there is no marked evidence of a trend for former smokers in females, the other analyses show a clear effect (p < 0.001).
After intercalation of diaminoalkanes, IGOs show a clear, distinguishable additional IR mode at 1457, 2851, and 2925 cm−1, corresponding to bending vibration, symmetric, and asymmetric stretching of the methylene groups (−(CH2) n −), respectively.
Color-magnitude diagrams presented by Ita et al. (2008) show a clear separation in luminosity and color between carbon stars, dusty red giants and YSO candidates.
But opinion polls and research over the last decade show a clear shift toward increased access to abortion, the Irish Family Planning Association says. .
Although shallow historical large earthquakes and microseismicity show a clear lineaments along the coastline (Gutscher 2001; Kawanishi et al. 2009), no major active faults have been identified in the San-in region (HERP 2017).
These soil temperature data show a clear warming trend overall since about 1970.
